/* * BSD 2-Clause License * * Copyright (C) 2014-2016, Lazaros Koromilas * Copyright (C) 2014-2016, Dimitris Papastamos * Copyright (C) 2016-2019, Arun Prakash Jana * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifdef __linux__ #ifndef _GNU_SOURCE #define _GNU_SOURCE #endif #if defined(__arm__) || defined(__i386__) #define _FILE_OFFSET_BITS 64 /* Support large files on 32-bit */ #endif #include #define LINUX_INOTIFY #if !defined(__GLIBC__) #include #endif #endif #include #include #include #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) #include #include #include #define BSD_KQUEUE #else #include #endif #include #ifdef __linux__ /* Fix failure due to mvaddnwstr() */ #ifndef NCURSES_WIDECHAR #define NCURSES_WIDECHAR 1 #endif #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) || defined(__sun) #ifndef _XOPEN_SOURCE_EXTENDED #define _XOPEN_SOURCE_EXTENDED #endif #endif #ifndef __USE_XOPEN /* Fix wcswidth() failure, ncursesw/curses.h includes whcar.h on Ubuntu 14.04 */ #define __USE_XOPEN #endif #include #include #include #include #include #ifdef __gnu_hurd__ #define PATH_MAX 4096 #endif #ifndef NOLOCALE #include #endif #include #ifndef NORL #include #include #endif #include #include #include #include #ifdef __sun #include #endif #include #include #include #include #ifndef __USE_XOPEN_EXTENDED #define __USE_XOPEN_EXTENDED 1 #endif #include #include #include "nnn.h" #include "dbg.h" /* Macro definitions */ #define VERSION "2.8.1" #define GENERAL_INFO "BSD 2-Clause\nhttps://github.com/jarun/nnn" #define SESSIONS_VERSION 1 #ifndef S_BLKSIZE #define S_BLKSIZE 512 /* S_BLKSIZE is missing on Android NDK (Termux) */ #endif #define _ABSSUB(N, M) (((N) <= (M)) ? ((M) - (N)) : ((N) - (M))) #define DOUBLECLICK_INTERVAL_NS (400000000) #define XDELAY_INTERVAL_MS (350000) /* 350 ms delay */ #define LEN(x) (sizeof(x) / sizeof(*(x))) #undef MIN #define MIN(x, y) ((x) < (y) ? (x) : (y)) #undef MAX #define MAX(x, y) ((x) > (y) ? (x) : (y)) #define ISODD(x) ((x) & 1) #define ISBLANK(x) ((x) == ' ' || (x) == '\t') #define TOUPPER(ch) (((ch) >= 'a' && (ch) <= 'z') ? ((ch) - 'a' + 'A') : (ch)) #define CMD_LEN_MAX (PATH_MAX + ((NAME_MAX + 1) << 1)) #define READLINE_MAX 128 #define FILTER '/' #define MSGWAIT '$' #define REGEX_MAX 48 #define BM_MAX 10 #define PLUGIN_MAX 15 #define ENTRY_INCR 64 /* Number of dir 'entry' structures to allocate per shot */ #define NAMEBUF_INCR 0x800 /* 64 dir entries at once, avg. 32 chars per filename = 64*32B = 2KB */ #define DESCRIPTOR_LEN 32 #define _ALIGNMENT 0x10 /* 16-byte alignment */ #define _ALIGNMENT_MASK 0xF #define TMP_LEN_MAX 64 #define CTX_MAX 4 #define DOT_FILTER_LEN 7 #define ASCII_MAX 128 #define EXEC_ARGS_MAX 8 #define SCROLLOFF 3 #define MIN_DISPLAY_COLS 10 #define LONG_SIZE sizeof(ulong) #define ARCHIVE_CMD_LEN 16 #define BLK_SHIFT_512 9 /* Program return codes */ #define _SUCCESS 0 #define _FAILURE !_SUCCESS /* Entry flags */ #define DIR_OR_LINK_TO_DIR 0x1 #define FILE_SELECTED 0x10 /* Macros to define process spawn behaviour as flags */ #define F_NONE 0x00 /* no flag set */ #define F_MULTI 0x01 /* first arg can be combination of args; to be used with F_NORMAL */ #define F_NOWAIT 0x02 /* don't wait for child process (e.g. file manager) */ #define F_NOTRACE 0x04 /* suppress stdout and strerr (no traces) */ #define F_NORMAL 0x08 /* spawn child process in non-curses regular CLI mode */ #define F_CONFIRM 0x10 /* run command - show results before exit (must have F_NORMAL) */ #define F_CLI (F_NORMAL | F_MULTI) #define F_SILENT (F_CLI | F_NOTRACE) /* Version compare macros */ /* * states: S_N: normal, S_I: comparing integral part, S_F: comparing * fractional parts, S_Z: idem but with leading Zeroes only */ #define S_N 0x0 #define S_I 0x3 #define S_F 0x6 #define S_Z 0x9 /* result_type: VCMP: return diff; VLEN: compare using len_diff/diff */ #define VCMP 2 #define VLEN 3 /* Volume info */ #define FREE 0 #define CAPACITY 1 /* TYPE DEFINITIONS */ typedef unsigned long ulong; typedef unsigned int uint; typedef unsigned char uchar; typedef unsigned short ushort; typedef long long ll; /* STRUCTURES */ /* Directory entry */ typedef struct entry { char *name; time_t t; off_t size; blkcnt_t blocks; /* number of 512B blocks allocated */ mode_t mode; ushort nlen; /* Length of file name; can be uchar (< NAME_MAX + 1) */ uchar flags; /* Flags specific to the file */ } *pEntry; /* Key-value pairs from env */ typedef struct { int key; char *val; } kv; typedef struct { const regex_t *regex; const char *str; } fltrexp_t; /* * Settings * NOTE: update default values if changing order */ typedef struct { uint filtermode : 1; /* Set to enter filter mode */ uint mtimeorder : 1; /* Set to sort by time modified */ uint sizeorder : 1; /* Set to sort by file size */ uint apparentsz : 1; /* Set to sort by apparent size (disk usage) */ uint blkorder : 1; /* Set to sort by blocks used (disk usage) */ uint extnorder : 1; /* Order by extension */ uint showhidden : 1; /* Set to show hidden files */ uint selmode : 1; /* Set when selecting files */ uint showdetail : 1; /* Clear to show fewer file info */ uint ctxactive : 1; /* Context active or not */ uint reserved : 3; /* The following settings are global */ uint curctx : 2; /* Current context number */ uint dircolor : 1; /* Current status of dir color */ uint picker : 1; /* Write selection to user-specified file */ uint pickraw : 1; /* Write selection to sdtout before exit */ uint nonavopen : 1; /* Open file on right arrow or `l` */ uint autoselect : 1; /* Auto-select dir in nav-as-you-type mode */ uint metaviewer : 1; /* Index of metadata viewer in utils[] */ uint useeditor : 1; /* Use VISUAL to open text files */ uint runplugin : 1; /* Choose plugin mode */ uint runctx : 2; /* The context in which plugin is to be run */ uint filter_re : 1; /* Use regex filters */ uint filtercmd : 1; /* Run filter as command on no match */ uint trash : 1; /* Move removed files to trash */ uint mtime : 1; /* Use modification time (else access time) */ uint cliopener : 1; /* All-CLI app opener */ uint waitedit : 1; /* For ops that can't be detached, used EDITOR */ uint rollover : 1; /* Roll over at edges */ } settings; /* Contexts or workspaces */ typedef struct { char c_path[PATH_MAX]; /* Current dir */ char c_last[PATH_MAX]; /* Last visited dir */ char c_name[NAME_MAX + 1]; /* Current file name */ char c_fltr[REGEX_MAX]; /* Current filter */ settings c_cfg; /* Current configuration */ uint color; /* Color code for directories */ } context; typedef struct { size_t ver; size_t pathln[CTX_MAX]; size_t lastln[CTX_MAX]; size_t nameln[CTX_MAX]; size_t fltrln[CTX_MAX]; } session_header_t; /* GLOBALS */ /* Configuration, contexts */ static settings cfg = { 0, /* filtermode */ 0, /* mtimeorder */ 0, /* sizeorder */ 0, /* apparentsz */ 0, /* blkorder */ 0, /* extnorder */ 0, /* showhidden */ 0, /* selmode */ 0, /* showdetail */ 1, /* ctxactive */ 0, /* reserved */ 0, /* curctx */ 0, /* dircolor */ 0, /* picker */ 0, /* pickraw */ 0, /* nonavopen */ 1, /* autoselect */ 0, /* metaviewer */ 0, /* useeditor */ 0, /* runplugin */ 0, /* runctx */ 1, /* filter_re */ 0, /* filtercmd */ 0, /* trash */ 1, /* mtime */ 0, /* cliopener */ 0, /* waitedit */ 1, /* rollover */ }; static context g_ctx[CTX_MAX] __attribute__ ((aligned)); static int ndents, cur, curscroll, total_dents = ENTRY_INCR; static int xlines, xcols; static int nselected; static uint idle; static uint idletimeout, selbufpos, lastappendpos, selbuflen; static char *bmstr; static char *pluginstr; static char *opener; static char *copier; static char *editor; static char *enveditor; static char *pager; static char *shell; static char *home; static char *initpath; static char *cfgdir; static char *g_selpath; static char *plugindir; static char *sessiondir; static char *pnamebuf, *pselbuf; static struct entry *dents; static blkcnt_t ent_blocks; static blkcnt_t dir_blocks; static ulong num_files; static kv bookmark[BM_MAX]; static kv plug[PLUGIN_MAX]; static uchar g_tmpfplen; static uchar blk_shift = BLK_SHIFT_512; static bool interrupted = FALSE; /* Retain old signal handlers */ #ifdef __linux__ static sighandler_t oldsighup; /* old value of hangup signal */ static sighandler_t oldsigtstp; /* old value of SIGTSTP */ #else /* note: no sig_t on Solaris-derivs */ static void (*oldsighup)(int); static void (*oldsigtstp)(int); #endif /* For use in functions which are isolated and don't return the buffer */ static char g_buf[CMD_LEN_MAX] __attribute__ ((aligned)); /* Buffer to store tmp file path to show selection, file stats and help */ static char g_tmpfpath[TMP_LEN_MAX] __attribute__ ((aligned)); /* Buffer to store plugins control pipe location */ static char g_pipepath[TMP_LEN_MAX] __attribute__ ((aligned)); /* Plugin control initialization status */ static bool g_plinit = FALSE; /* Options to identify file mime */ #if defined(__APPLE__) #define FILE_MIME_OPTS "-bIL" #elif !defined(__sun) /* no mime option for 'file' */ #define FILE_MIME_OPTS "-biL" #endif /* Macros for utilities */ #define UTIL_OPENER 0 #define UTIL_ATOOL 1 #define UTIL_BSDTAR 2 #define UTIL_UNZIP 3 #define UTIL_TAR 4 #define UTIL_LOCKER 5 #define UTIL_CMATRIX 6 #define UTIL_LAUNCH 7 #define UTIL_SH_EXEC 8 #define UTIL_ARCHIVEMOUNT 9 #define UTIL_SSHFS 10 #define UTIL_RCLONE 11 #define UTIL_VI 12 #define UTIL_LESS 13 #define UTIL_SH 14 #define UTIL_FZF 15 #define UTIL_FZY 16 /* Utilities to open files, run actions */ static char * const utils[] = { #ifdef __APPLE__ "/usr/bin/open", #elif defined __CYGWIN__ "cygstart", #else "xdg-open", #endif "atool", "bsdtar", "unzip", "tar", #ifdef __APPLE__ "bashlock", #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) "lock", #else "vlock", #endif "cmatrix", "launch", "sh -c", "archivemount", "sshfs", "rclone", "vi", "less", "sh", "fzf", "fzy", }; /* Common strings */ #define MSG_NO_TRAVERSAL 0 #define MSG_INVBM_KEY 1 #define STR_DATE_ID 2 #define STR_TMPFILE 3 #define MSG_0_SELECTED 4 #define MSG_UTIL_MISSING 5 #define MSG_FAILED 6 #define MSG_SSN_NAME 7 #define MSG_CP_MV_AS 8 #define MSG_RENAME_OPTS 9 #define MSG_FORCE_RM 10 #define MSG_CREATE_CTX 11 #define MSG_CUR_SEL_OPTS 12 #define MSG_NEW_OPTS 13 #define MSG_CLI_MODE 14 #define MSG_OVERWRITE 15 #define MSG_SSN_OPTS 16 #define MSG_QUIT_ALL 17 #define MSG_HOSTNAME 18 #define MSG_ARCHIVE_NAME 19 #define MSG_OPEN_WITH 20 #define MSG_REL_PATH 21 #define MSG_LINK_SUFFIX 22 #define MSG_COPY_NAME 23 #define MSG_CONTINUE 24 #define MSG_SEL_MISSING 25 #define MSG_SSN_MISSING 26 #define MSG_DIR_ACCESS 27 #define MSG_0_CREATED 28 #define MSG_NOT_REG_FILE 29 #define MSG_PERM_DENIED 30 #define MSG_EMPTY_FILE 31 #define MSG_UNSUPPORTED 32 #define MSG_NOT_SET 33 #define MSG_RANGE_SEL_ON 34 #define MSG_DIR_CHANGED 35 #define MSG_0_FILES 36 #define MSG_EXISTS 37 #define MSG_FEW_COLOUMNS 38 #define MSG_REMOTE_OPTS 39 #define MSG_RCLONE_DELAY 40 #define MSG_APP_NAME 41 static const char * const messages[] = { "no traversal", "invalid key", "%F %T %z", "/.nnnXXXXXX", "0 selected", "missing util", "failed!", "session name: ", "'c'p / 'm'v as?", "'c'urrent dir / 's'election?", "forcibly remove %s file%s (unrecoverable)?", "create context %d?", "'c'urrent / 's'election?", "'f'ile / 'd'ir / 's'ym / 'h'ard?", "'c'li / 'g'ui?", "overwrite?", "'s'ave / 'l'oad / 'r'estore?", "Quit all contexts?", "remote name: ", "archive name: ", "open with: ", "relative path: ", "link suffix [@ for none]: ", "copy name: ", "\nPress Enter to continue", "sel file missing", "session file missing", "dir inaccessible", "0 created", "not regular file", "permission denied", "empty: edit or open with", "unsupported file", "not set", "range sel on", "dir changed, range sel off", "0 files", "entry exists", "too few columns!", "'s'shfs / 'r'clone?", "may take a while, try refresh", "app name: ", }; /* Supported configuration environment variables */ #define NNN_BMS 0 #define NNN_OPENER 1 #define NNN_CONTEXT_COLORS 2 #define NNN_IDLE_TIMEOUT 3 #define NNN_COPIER 4 #define NNNLVL 5 #define NNN_PIPE 6 /* strings end here */ #define NNN_USE_EDITOR 7 /* flags begin here */ #define NNN_TRASH 8 static const char * const env_cfg[] = { "NNN_BMS", "NNN_OPENER", "NNN_CONTEXT_COLORS", "NNN_IDLE_TIMEOUT", "NNN_COPIER", "NNNLVL", "NNN_PIPE", "NNN_USE_EDITOR", "NNN_TRASH", }; /* Required environment variables */ #define ENV_SHELL 0 #define ENV_VISUAL 1 #define ENV_EDITOR 2 #define ENV_PAGER 3 #define ENV_NCUR 4 static const char * const envs[] = { "SHELL", "VISUAL", "EDITOR", "PAGER", "nnn", }; #ifdef __linux__ static char cp[] = "cpg -giRp"; static char mv[] = "mvg -gi"; #else static char cp[] = "cp -iRp"; static char mv[] = "mv -i"; #endif static const char cpmvformatcmd[] = "sed -i 's|^\\(\\(.*/\\)\\(.*\\)$\\)|#\\1\\n\\3|' %s"; static const char cpmvrenamecmd[] = "sed 's|^\\([^#][^/]\\?.*\\)$|%s/\\1|;s|^#\\(/.*\\)$|\\1|' %s | tr '\\n' '\\0' | xargs -0 -n2 sh -c '%s \"$0\" \"$@\" < /dev/tty'"; static const char batchrenamecmd[] = "paste -d'\n' %s %s | sed 'N; /^\\(.*\\)\\n\\1$/!p;d' | tr '\n' '\\0' | xargs -0 -n2 mv 2>/dev/null"; /* Event handling */ #ifdef LINUX_INOTIFY #define NUM_EVENT_SLOTS 8 /* Make room for 8 events */ #define EVENT_SIZE (sizeof(struct inotify_event)) #define EVENT_BUF_LEN (EVENT_SIZE * NUM_EVENT_SLOTS) static int inotify_fd, inotify_wd = -1; static uint INOTIFY_MASK = /* IN_ATTRIB | */ IN_CREATE | IN_DELETE | IN_DELETE_SELF | IN_MODIFY | IN_MOVE_SELF | IN_MOVED_FROM | IN_MOVED_TO; #elif defined(BSD_KQUEUE) #define NUM_EVENT_SLOTS 1 #define NUM_EVENT_FDS 1 static int kq, event_fd = -1; static struct kevent events_to_monitor[NUM_EVENT_FDS]; static uint KQUEUE_FFLAGS = NOTE_DELETE | NOTE_EXTEND | NOTE_LINK | NOTE_RENAME | NOTE_REVOKE | NOTE_WRITE; static struct timespec gtimeout; #endif /* Function macros */ #define tolastln() move(xlines - 1, 0) #define exitcurses() endwin() #define clearprompt() printmsg("") #define printwarn(presel) printwait(strerror(errno), presel) #define istopdir(path) ((path)[1] == '\0' && (path)[0] == '/') #define copycurname() xstrlcpy(lastname, dents[cur].name, NAME_MAX + 1) #define settimeout() timeout(1000) #define cleartimeout() timeout(-1) #define errexit() printerr(__LINE__) #define setdirwatch() (cfg.filtermode ? (presel = FILTER) : (dir_changed = TRUE)) /* We don't care about the return value from strcmp() */ #define xstrcmp(a, b) (*(a) != *(b) ? -1 : strcmp((a), (b))) /* A faster version of xisdigit */ #define xisdigit(c) ((unsigned int) (c) - '0' <= 9) #define xerror() perror(xitoa(__LINE__)) /* Forward declarations */ static void redraw(char *path); static int spawn(char *file, char *arg1, char *arg2, const char *dir, uchar flag); static int (*nftw_fn)(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf); static int dentfind(const char *fname, int n); static void move_cursor(int target, int ignore_scrolloff); static inline bool getutil(char *util); static size_t mkpath(const char *dir, const char *name, char *out); static void updateselbuf(const char *path, char *newpath); static char *xgetenv(const char *name, char *fallback); /* Functions */ static void sigint_handler(int sig) { (void) sig; interrupted = TRUE; } static uint xatoi(const char *str) { int val = 0; if (!str) return 0; while (xisdigit(*str)) { val = val * 10 + (*str - '0'); ++str; } return val; } static char *xitoa(uint val) { static char ascbuf[32] = {0}; int i = 30; if (!val) return "0"; for (; val && i; --i, val /= 10) ascbuf[i] = '0' + (val % 10); return &ascbuf[++i]; } #ifdef KEY_RESIZE /* Clear the old prompt */ static inline void clearoldprompt(void) { tolastln(); clrtoeol(); } #endif /* Messages show up at the bottom */ static inline void printmsg(const char *msg) { tolastln(); addstr(msg); addch('\n'); } static void printwait(const char *msg, int *presel) { printmsg(msg); if (presel) *presel = MSGWAIT; } /* Kill curses and display error before exiting */ static void printerr(int linenum) { exitcurses(); perror(xitoa(linenum)); if (!cfg.picker && g_selpath) unlink(g_selpath); free(pselbuf); exit(1); } /* Print prompt on the last line */ static void printprompt(const char *str) { clearprompt(); addstr(str); } static int get_input(const char *prompt) { int r = KEY_RESIZE; if (prompt) printprompt(prompt); cleartimeout(); #ifdef KEY_RESIZE while (r == KEY_RESIZE) { r = getch(); if (r == KEY_RESIZE && prompt) { clearoldprompt(); xlines = LINES; printprompt(prompt); } }; #else r = getch(); #endif settimeout(); return r; } static void xdelay(useconds_t delay) { refresh(); usleep(delay); } static char confirm_force(bool selection) { char str[64]; int r; snprintf(str, 64, messages[MSG_FORCE_RM], (selection ? xitoa(nselected) : "current"), (selection ? "(s)" : "")); r = get_input(str); if (r == 'y' || r == 'Y') return 'f'; /* forceful */ return 'i'; /* interactive */ } /* Increase the limit on open file descriptors, if possible */ static rlim_t max_openfds(void) { struct rlimit rl; rlim_t limit = getrlimit(RLIMIT_NOFILE, &rl); if (limit != 0) return 32; limit = rl.rlim_cur; rl.rlim_cur = rl.rlim_max; /* Return ~75% of max possible */ if (setrlimit(RLIMIT_NOFILE, &rl) == 0) { limit = rl.rlim_max - (rl.rlim_max >> 2); /* * 20K is arbitrary. If the limit is set to max possible * value, the memory usage increases to more than double. */ return limit > 20480 ? 20480 : limit; } return limit; } /* * Wrapper to realloc() * Frees current memory if realloc() fails and returns NULL. * * As per the docs, the *alloc() family is supposed to be memory aligned: * Ubuntu: http://manpages.ubuntu.com/manpages/xenial/man3/malloc.3.html * macOS: https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man3/malloc.3.html */ static void *xrealloc(void *pcur, size_t len) { void *pmem = realloc(pcur, len); if (!pmem) free(pcur); return pmem; } /* * Just a safe strncpy(3) * Always null ('\0') terminates if both src and dest are valid pointers. * Returns the number of bytes copied including terminating null byte. */ static size_t xstrlcpy(char *dest, const char *src, size_t n) { if (!src || !dest || !n) return 0; ulong *s, *d; size_t len = strlen(src) + 1, blocks; const uint _WSHIFT = (LONG_SIZE == 8) ? 3 : 2; if (n > len) n = len; else if (len > n) /* Save total number of bytes to copy in len */ len = n; /* * To enable -O3 ensure src and dest are 16-byte aligned * More info: http://www.felixcloutier.com/x86/MOVDQA.html */ if ((n >= LONG_SIZE) && (((ulong)src & _ALIGNMENT_MASK) == 0 && ((ulong)dest & _ALIGNMENT_MASK) == 0)) { s = (ulong *)src; d = (ulong *)dest; blocks = n >> _WSHIFT; n &= LONG_SIZE - 1; while (blocks) { *d = *s; // NOLINT ++d, ++s; --blocks; } if (!n) { dest = (char *)d; *--dest = '\0'; return len; } src = (char *)s; dest = (char *)d; } while (--n && (*dest = *src)) // NOLINT ++dest, ++src; if (!n) *dest = '\0'; return len; } static bool is_suffix(const char *str, const char *suffix) { if (!str || !suffix) return FALSE; size_t lenstr = strlen(str); size_t lensuffix = strlen(suffix); if (lensuffix > lenstr) return FALSE; return (xstrcmp(str + (lenstr - lensuffix), suffix) == 0); } /* * The poor man's implementation of memrchr(3). * We are only looking for '/' in this program. * And we are NOT expecting a '/' at the end. * Ideally 0 < n <= strlen(s). */ static void *xmemrchr(uchar *s, uchar ch, size_t n) { if (!s || !n) return NULL; uchar *ptr = s + n; do { --ptr; if (*ptr == ch) return ptr; } while (s != ptr); return NULL; } static char *xbasename(char *path) { char *base = xmemrchr((uchar *)path, '/', strlen(path)); // NOLINT return base ? base + 1 : path; } static int create_tmp_file(void) { xstrlcpy(g_tmpfpath + g_tmpfplen - 1, messages[STR_TMPFILE], TMP_LEN_MAX - g_tmpfplen); int fd = mkstemp(g_tmpfpath); if (fd == -1) { DPRINTF_S(strerror(errno)); } return fd; } /* Writes buflen char(s) from buf to a file */ static void writesel(const char *buf, const size_t buflen) { if (cfg.pickraw || !g_selpath) return; FILE *fp = fopen(g_selpath, "w"); if (fp) { if (fwrite(buf, 1, buflen, fp) != buflen) printwarn(NULL); fclose(fp); } else printwarn(NULL); } static void appendfpath(const char *path, const size_t len) { if ((selbufpos >= selbuflen) || ((len + 3) > (selbuflen - selbufpos))) { selbuflen += PATH_MAX; pselbuf = xrealloc(pselbuf, selbuflen); if (!pselbuf) errexit(); } selbufpos += xstrlcpy(pselbuf + selbufpos, path, len); } /* Write selected file paths to fd, linefeed separated */ static size_t seltofile(int fd, uint *pcount) { uint lastpos, count = 0; char *pbuf = pselbuf; size_t pos = 0, len; ssize_t r; if (pcount) *pcount = 0; if (!selbufpos) return 0; lastpos = selbufpos - 1; while (pos <= lastpos) { len = strlen(pbuf); pos += len; r = write(fd, pbuf, len); if (r != (ssize_t)len) return pos; if (pos <= lastpos) { if (write(fd, "\n", 1) != 1) return pos; pbuf += len + 1; } ++pos; ++count; } if (pcount) *pcount = count; return pos; } /* List selection from selection buffer */ static bool listselbuf(const char *path, char *newpath) { int fd; size_t pos; uint oldpos = selbufpos; if (cfg.selmode) updateselbuf(path, newpath); if (!selbufpos) return FALSE; fd = create_tmp_file(); if (fd == -1) { selbufpos = oldpos; return FALSE; } pos = seltofile(fd, NULL); close(fd); if (pos && pos == selbufpos) spawn(pager, g_tmpfpath, NULL, NULL, F_CLI); unlink(g_tmpfpath); selbufpos = oldpos; return TRUE; } /* List selection from selection file (another instance) */ static bool listselfile(void) { struct stat sb; if (stat(g_selpath, &sb) == -1) return FALSE; /* Nothing selected if file size is 0 */ if (!sb.st_size) return FALSE; snprintf(g_buf, CMD_LEN_MAX, "tr \'\\0\' \'\\n\' < %s", g_selpath); spawn(utils[UTIL_SH_EXEC], g_buf, NULL, NULL, F_CLI | F_CONFIRM); return TRUE; } /* Reset selection indicators */ static void resetselind(void) { int r = 0; for (; r < ndents; ++r) if (dents[r].flags & FILE_SELECTED) dents[r].flags &= ~FILE_SELECTED; } static void startselection(void) { if (!cfg.selmode) { cfg.selmode = 1; nselected = 0; if (selbufpos) { resetselind(); writesel(NULL, 0); selbufpos = 0; } lastappendpos = 0; } } static void updateselbuf(const char *path, char *newpath) { int i = 0; size_t r; for (; i < ndents; ++i) if (dents[i].flags & FILE_SELECTED) { r = mkpath(path, dents[i].name, newpath); appendfpath(newpath, r); } } /* Finish selection procedure before an operation */ static void endselection(const char *path, char *newpath) { if (cfg.selmode) { cfg.selmode = 0; updateselbuf(path, newpath); if (selbufpos) { /* File path(s) written to the buffer */ writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */ spawn(copier, NULL, NULL, NULL, F_NOTRACE); } } } static void clearselection(void) { nselected = 0; selbufpos = 0; cfg.selmode = 0; writesel(NULL, 0); } static bool editselection(void) { bool ret = FALSE; int fd, lines = 0; ssize_t count; struct stat sb; if (!selbufpos) { DPRINTF_S("empty selection"); return FALSE; } fd = create_tmp_file(); if (fd == -1) { DPRINTF_S("couldn't create tmp file"); return FALSE; } seltofile(fd, NULL); close(fd); spawn((cfg.waitedit ? enveditor : editor), g_tmpfpath, NULL, NULL, F_CLI); fd = open(g_tmpfpath, O_RDONLY); if (fd == -1) { DPRINTF_S("couldn't read tmp file"); unlink(g_tmpfpath); return FALSE; } fstat(fd, &sb); if (sb.st_size > selbufpos) { DPRINTF_S("edited buffer larger than pervious"); goto emptyedit; } count = read(fd, pselbuf, selbuflen); close(fd); unlink(g_tmpfpath); if (!count) { ret = TRUE; goto emptyedit; } if (count < 0) { DPRINTF_S("error reading tmp file"); goto emptyedit; } resetselind(); selbufpos = count; /* The last character should be '\n' */ pselbuf[--count] = '\0'; for (--count; count > 0; --count) { /* Replace every '\n' that separates two paths */ if (pselbuf[count] == '\n' && pselbuf[count + 1] == '/') { ++lines; pselbuf[count] = '\0'; } } /* Add a line for the last file */ ++lines; if (lines > nselected) { DPRINTF_S("files added to selection"); goto emptyedit; } nselected = lines; writesel(pselbuf, selbufpos - 1); spawn(copier, NULL, NULL, NULL, F_NOTRACE); return TRUE; emptyedit: resetselind(); clearselection(); return ret; } static bool selsafe(void) { /* Fail if selection file path not generated */ if (!g_selpath) { printmsg(messages[MSG_SEL_MISSING]); return FALSE; } /* Fail if selection file path isn't accessible */ if (access(g_selpath, R_OK | W_OK) == -1) { errno == ENOENT ? printmsg(messages[MSG_0_SELECTED]) : printwarn(NULL); return FALSE; } return TRUE; } /* Initialize curses mode */ static bool initcurses(mmask_t *oldmask) { short i; char *colors = xgetenv(env_cfg[NNN_CONTEXT_COLORS], "4444"); if (cfg.picker) { if (!newterm(NULL, stderr, stdin)) { fprintf(stderr, "newterm!\n"); return FALSE; } } else if (!initscr()) { fprintf(stderr, "initscr!\n"); DPRINTF_S(getenv("TERM")); return FALSE; } cbreak(); noecho(); nonl(); //intrflush(stdscr, FALSE); keypad(stdscr, TRUE); #if NCURSES_MOUSE_VERSION <= 1 mousemask(BUTTON1_PRESSED | BUTTON1_DOUBLE_CLICKED, oldmask); #else mousemask(BUTTON1_PRESSED | BUTTON4_PRESSED | BUTTON5_PRESSED, oldmask); #endif mouseinterval(0); curs_set(FALSE); /* Hide cursor */ start_color(); use_default_colors(); /* Get and set the context colors */ for (i = 0; i < CTX_MAX; ++i) { if (*colors) { g_ctx[i].color = (*colors < '0' || *colors > '7') ? 4 : *colors - '0'; ++colors; } else g_ctx[i].color = 4; init_pair(i + 1, g_ctx[i].color, -1); } settimeout(); /* One second */ set_escdelay(25); return TRUE; } /* No NULL check here as spawn() guards against it */ static int parseargs(char *line, char **argv) { int count = 0; argv[count++] = line; while (*line) { // NOLINT if (ISBLANK(*line)) { *line++ = '\0'; if (!*line) // NOLINT return count; argv[count++] = line; if (count == EXEC_ARGS_MAX) return -1; } ++line; } return count; } static pid_t xfork(uchar flag) { pid_t p = fork(); if (p > 0) { /* the parent ignores the interrupt, quit and hangup signals */ oldsighup = signal(SIGHUP, SIG_IGN); oldsigtstp = signal(SIGTSTP, SIG_DFL); } else if (p == 0) { /* so they can be used to stop the child */ signal(SIGHUP, SIG_DFL); signal(SIGINT, SIG_DFL); signal(SIGQUIT, SIG_DFL); signal(SIGTSTP, SIG_DFL); if (flag & F_NOWAIT) setsid(); } if (p == -1) perror("fork"); return p; } static int join(pid_t p, uchar flag) { int status = 0xFFFF; if (!(flag & F_NOWAIT)) { /* wait for the child to exit */ do { } while (waitpid(p, &status, 0) == -1); if (WIFEXITED(status)) { status = WEXITSTATUS(status); DPRINTF_D(status); } } /* restore parent's signal handling */ signal(SIGHUP, oldsighup); signal(SIGTSTP, oldsigtstp); return status; } /* * Spawns a child process. Behaviour can be controlled using flag. * Limited to 2 arguments to a program, flag works on bit set. */ static int spawn(char *file, char *arg1, char *arg2, const char *dir, uchar flag) { pid_t pid; int status, retstatus = 0xFFFF; char *argv[EXEC_ARGS_MAX] = {0}; char *cmd = NULL; if (!file || !*file) return retstatus; /* Swap args if the first arg is NULL and second isn't */ if (!arg1 && arg2) { arg1 = arg2; arg2 = NULL; } if (flag & F_MULTI) { size_t len = strlen(file) + 1; cmd = (char *)malloc(len); if (!cmd) { DPRINTF_S("malloc()!"); return retstatus; } xstrlcpy(cmd, file, len); status = parseargs(cmd, argv); if (status == -1 || status > (EXEC_ARGS_MAX - 3)) { /* arg1, arg2 and last NULL */ free(cmd); DPRINTF_S("NULL or too many args"); return retstatus; } argv[status++] = arg1; argv[status] = arg2; } else { argv[0] = file; argv[1] = arg1; argv[2] = arg2; } if (flag & F_NORMAL) exitcurses(); pid = xfork(flag); if (pid == 0) { if (dir && chdir(dir) == -1) _exit(1); /* Suppress stdout and stderr */ if (flag & F_NOTRACE) { int fd = open("/dev/null", O_WRONLY, 0200); dup2(fd, 1); dup2(fd, 2); close(fd); } execvp(*argv, argv); _exit(1); } else { retstatus = join(pid, flag); DPRINTF_D(pid); if (flag & F_NORMAL) { if (flag & F_CONFIRM) { printf("%s", messages[MSG_CONTINUE]); getchar(); } refresh(); } free(cmd); } return retstatus; } static void prompt_run(char *cmd, const char *cur, const char *path) { setenv(envs[ENV_NCUR], cur, 1); spawn(shell, "-c", cmd, path, F_CLI | F_CONFIRM); } /* Get program name from env var, else return fallback program */ static char *xgetenv(const char *name, char *fallback) { char *value = getenv(name); return value && value[0] ? value : fallback; } /* Checks if an env variable is set to 1 */ static bool xgetenv_set(const char *name) { char *value = getenv(name); if (value && value[0] == '1' && !value[1]) return TRUE; return FALSE; } /* Check if a dir exists, IS a dir and is readable */ static bool xdiraccess(const char *path) { DIR *dirp = opendir(path); if (!dirp) { printwarn(NULL); return FALSE; } closedir(dirp); return TRUE; } static void opstr(char *buf, char *op) { snprintf(buf, CMD_LEN_MAX, "xargs -0 sh -c '%s \"$0\" \"$@\" . < /dev/tty' < %s", op, g_selpath); } static void rmmulstr(char *buf) { if (cfg.trash) snprintf(buf, CMD_LEN_MAX, "xargs -0 trash-put < %s", g_selpath); else snprintf(buf, CMD_LEN_MAX, "xargs -0 sh -c 'rm -%cr \"$0\" \"$@\" < /dev/tty' < %s", confirm_force(TRUE), g_selpath); } static void xrm(char *path) { if (cfg.trash) spawn("trash-put", path, NULL, NULL, F_NORMAL); else { char rm_opts[] = "-ir"; rm_opts[1] = confirm_force(FALSE); spawn("rm", rm_opts, path, NULL, F_NORMAL); } } static uint lines_in_file(int fd, char *buf, size_t buflen) { ssize_t len; uint count = 0; while ((len = read(fd, buf, buflen)) > 0) while (len) count += (buf[--len] == '\n'); /* For all use cases 0 linecount is considered as error */ return ((len < 0) ? 0 : count); } static bool cpmv_rename(int choice, const char *path) { int fd; uint count = 0, lines = 0; bool ret = FALSE; char *cmd = (choice == 'c' ? cp : mv); char buf[sizeof(cpmvrenamecmd) + sizeof(cmd) + (PATH_MAX << 1)]; fd = create_tmp_file(); if (fd == -1) return ret; /* selsafe() returned TRUE for this to be called */ if (!selbufpos) { snprintf(buf, sizeof(buf), "tr '\\0' '\\n' < %s > %s", g_selpath, g_tmpfpath); spawn(utils[UTIL_SH_EXEC], buf, NULL, NULL, F_CLI); count = lines_in_file(fd, buf, sizeof(buf)); if (!count) goto finish; } else seltofile(fd, &count); close(fd); snprintf(buf, sizeof(buf), cpmvformatcmd, g_tmpfpath); spawn(utils[UTIL_SH_EXEC], buf, NULL, path, F_CLI); spawn((cfg.waitedit ? enveditor : editor), g_tmpfpath, NULL, path, F_CLI); fd = open(g_tmpfpath, O_RDONLY); if (fd == -1) goto finish; lines = lines_in_file(fd, buf, sizeof(buf)); DPRINTF_U(count); DPRINTF_U(lines); if (!lines || (2 * count != lines)) { DPRINTF_S("num mismatch"); goto finish; } snprintf(buf, sizeof(buf), cpmvrenamecmd, path, g_tmpfpath, cmd); spawn(utils[UTIL_SH_EXEC], buf, NULL, path, F_CLI); ret = TRUE; finish: if (fd >= 0) close(fd); return ret; } static bool cpmvrm_selection(enum action sel, char *path, int *presel) { int r; if (!selsafe()) { *presel = MSGWAIT; return FALSE; } switch (sel) { case SEL_CP: opstr(g_buf, cp); break; case SEL_MV: opstr(g_buf, mv); break; case SEL_CPMVAS: r = get_input(messages[MSG_CP_MV_AS]); if (r != 'c' && r != 'm') { if (cfg.filtermode) *presel = FILTER; return FALSE; } if (!cpmv_rename(r, path)) { printwait(messages[MSG_FAILED], presel); return FALSE; } break; default: /* SEL_RMMUL */ rmmulstr(g_buf); break; } if (sel != SEL_CPMVAS) spawn(utils[UTIL_SH_EXEC], g_buf, NULL, path, F_CLI); /* Clear selection on move or delete */ if (sel != SEL_CP) clearselection(); if (cfg.filtermode) *presel = FILTER; return TRUE; } static bool batch_rename(const char *path) { int fd1, fd2, i; uint count = 0, lines = 0; bool dir = FALSE, ret = FALSE; char foriginal[TMP_LEN_MAX] = {0}; char buf[sizeof(batchrenamecmd) + (PATH_MAX << 1)]; if (selbufpos) { if (ndents) { i = get_input(messages[MSG_RENAME_OPTS]); if (i == 'c') { selbufpos = 0; /* Clear the selection */ dir = TRUE; } else if (i != 's') return ret; } } else if (ndents) dir = TRUE; /* Rename entries in dir */ else return ret; fd1 = create_tmp_file(); if (fd1 == -1) return ret; xstrlcpy(foriginal, g_tmpfpath, strlen(g_tmpfpath)+1); fd2 = create_tmp_file(); if (fd2 == -1) { unlink(foriginal); close(fd1); return ret; } if (dir) for (i = 0; i < ndents; ++i) appendfpath(dents[i].name, NAME_MAX); seltofile(fd1, &count); seltofile(fd2, NULL); close(fd2); if (dir) /* Don't retain dir entries in selection */ selbufpos = 0; spawn((cfg.waitedit ? enveditor : editor), g_tmpfpath, NULL, path, F_CLI); /* Reopen file descriptor to get updated contents */ fd2 = open(g_tmpfpath, O_RDONLY); if (fd2 == -1) goto finish; lines = lines_in_file(fd2, buf, sizeof(buf)); DPRINTF_U(count); DPRINTF_U(lines); if (!lines || (count != lines)) { DPRINTF_S("cannot delete files"); goto finish; } snprintf(buf, sizeof(buf), batchrenamecmd, foriginal, g_tmpfpath); spawn(utils[UTIL_SH_EXEC], buf, NULL, path, F_CLI); ret = TRUE; finish: if (fd1 >= 0) close(fd1); unlink(foriginal); if (fd2 >= 0) close(fd2); unlink(g_tmpfpath); return ret; } static void get_archive_cmd(char *cmd, char *archive) { if (getutil(utils[UTIL_ATOOL])) xstrlcpy(cmd, "atool -a", ARCHIVE_CMD_LEN); else if (getutil(utils[UTIL_BSDTAR])) xstrlcpy(cmd, "bsdtar -acvf", ARCHIVE_CMD_LEN); else if (is_suffix(archive, ".zip")) xstrlcpy(cmd, "zip -r", ARCHIVE_CMD_LEN); else xstrlcpy(cmd, "tar -acvf", ARCHIVE_CMD_LEN); } static void archive_selection(const char *cmd, const char *archive, const char *curpath) { char *buf = (char *)malloc(CMD_LEN_MAX * sizeof(char)); snprintf(buf, CMD_LEN_MAX, #ifdef __linux__ "sed -ze 's|^%s/||' '%s' | xargs -0 %s %s", curpath, g_selpath, cmd, archive); #else "tr '\\0' '\n' < '%s' | sed -e 's|^%s/||' | tr '\n' '\\0' | xargs -0 %s %s", g_selpath, curpath, cmd, archive); #endif spawn(utils[UTIL_SH_EXEC], buf, NULL, curpath, F_CLI); free(buf); } static bool write_lastdir(const char *curpath) { bool ret = TRUE; size_t len = strlen(cfgdir); xstrlcpy(cfgdir + len, "/.lastd", 8); DPRINTF_S(cfgdir); FILE *fp = fopen(cfgdir, "w"); if (fp) { if (fprintf(fp, "cd \"%s\"", curpath) < 0) ret = FALSE; fclose(fp); } else ret = FALSE; return ret; } /* * We assume none of the strings are NULL. * * Let's have the logic to sort numeric names in numeric order. * E.g., the order '1, 10, 2' doesn't make sense to human eyes. * * If the absolute numeric values are same, we fallback to alphasort. */ static int xstricmp(const char * const s1, const char * const s2) { char *p1, *p2; ll v1 = strtoll(s1, &p1, 10); ll v2 = strtoll(s2, &p2, 10); /* Check if at least 1 string is numeric */ if (s1 != p1 || s2 != p2) { /* Handle both pure numeric */ if (s1 != p1 && s2 != p2) { if (v2 > v1) return -1; if (v1 > v2) return 1; } /* Only first string non-numeric */ if (s1 == p1) return 1; /* Only second string non-numeric */ if (s2 == p2) return -1; } /* Handle 1. all non-numeric and 2. both same numeric value cases */ #ifndef NOLOCALE return strcoll(s1, s2); #else return strcasecmp(s1, s2); #endif } /* * Version comparison * * The code for version compare is a modified version of the GLIBC * and uClibc implementation of strverscmp(). The source is here: * https://elixir.bootlin.com/uclibc-ng/latest/source/libc/string/strverscmp.c */ /* * Compare S1 and S2 as strings holding indices/version numbers, * returning less than, equal to or greater than zero if S1 is less than, * equal to or greater than S2 (for more info, see the texinfo doc). * * Ignores case. */ static int xstrverscasecmp(const char * const s1, const char * const s2) { const uchar *p1 = (const uchar *)s1; const uchar *p2 = (const uchar *)s2; int state, diff; uchar c1, c2; /* * Symbol(s) 0 [1-9] others * Transition (10) 0 (01) d (00) x */ static const uint8_t next_state[] = { /* state x d 0 */ /* S_N */ S_N, S_I, S_Z, /* S_I */ S_N, S_I, S_I, /* S_F */ S_N, S_F, S_F, /* S_Z */ S_N, S_F, S_Z }; static const int8_t result_type[] __attribute__ ((aligned)) = { /* state x/x x/d x/0 d/x d/d d/0 0/x 0/d 0/0 */ /* S_N */ VCMP, VCMP, VCMP, VCMP, VLEN, VCMP, VCMP, VCMP, VCMP, /* S_I */ VCMP, -1, -1, 1, VLEN, VLEN, 1, VLEN, VLEN, /* S_F */ VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, /* S_Z */ VCMP, 1, 1, -1, VCMP, VCMP, -1, VCMP, VCMP }; if (p1 == p2) return 0; c1 = TOUPPER(*p1); ++p1; c2 = TOUPPER(*p2); ++p2; /* Hint: '0' is a digit too. */ state = S_N + ((c1 == '0') + (xisdigit(c1) != 0)); while ((diff = c1 - c2) == 0) { if (c1 == '\0') return diff; state = next_state[state]; c1 = TOUPPER(*p1); ++p1; c2 = TOUPPER(*p2); ++p2; state += (c1 == '0') + (xisdigit(c1) != 0); } state = result_type[state * 3 + (((c2 == '0') + (xisdigit(c2) != 0)))]; switch (state) { case VCMP: return diff; case VLEN: while (xisdigit(*p1++)) if (!xisdigit(*p2++)) return 1; return xisdigit(*p2) ? -1 : diff; default: return state; } } static int (*cmpfn)(const char * const s1, const char * const s2) = &xstricmp; /* Return the integer value of a char representing HEX */ static char xchartohex(char c) { if (xisdigit(c)) return c - '0'; c = TOUPPER(c); if (c >= 'A' && c <= 'F') return c - 'A' + 10; return c; } static int setfilter(regex_t *regex, const char *filter) { int r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED | REG_ICASE); if (r != 0 && filter && filter[0] != '\0') mvprintw(xlines - 1, 0, "regex error: %d\n", r); return r; } static int visible_re(const fltrexp_t *fltrexp, const char *fname) { return regexec(fltrexp->regex, fname, 0, NULL, 0) == 0; } static int visible_str(const fltrexp_t *fltrexp, const char *fname) { return strcasestr(fname, fltrexp->str) != NULL; } static int (*filterfn)(const fltrexp_t *fltr, const char *fname) = &visible_re; static int entrycmp(const void *va, const void *vb) { const struct entry *pa = (pEntry)va; const struct entry *pb = (pEntry)vb; if ((pb->flags & DIR_OR_LINK_TO_DIR) != (pa->flags & DIR_OR_LINK_TO_DIR)) { if (pb->flags & DIR_OR_LINK_TO_DIR) return 1; return -1; } /* Sort based on specified order */ if (cfg.mtimeorder) { if (pb->t > pa->t) return 1; if (pb->t < pa->t) return -1; } else if (cfg.sizeorder) { if (pb->size > pa->size) return 1; if (pb->size < pa->size) return -1; } else if (cfg.blkorder) { if (pb->blocks > pa->blocks) return 1; if (pb->blocks < pa->blocks) return -1; } else if (cfg.extnorder && !(pb->flags & DIR_OR_LINK_TO_DIR)) { char *extna = xmemrchr((uchar *)pa->name, '.', strlen(pa->name)); char *extnb = xmemrchr((uchar *)pb->name, '.', strlen(pb->name)); if (extna || extnb) { if (!extna) return 1; if (!extnb) return -1; int ret = strcasecmp(extna, extnb); if (ret) return ret; } } return cmpfn(pa->name, pb->name); } /* * Returns SEL_* if key is bound and 0 otherwise. * Also modifies the run and env pointers (used on SEL_{RUN,RUNARG}). * The next keyboard input can be simulated by presel. */ static int nextsel(int presel) { int c = presel; uint i; const uint len = LEN(bindings); #ifdef LINUX_INOTIFY struct inotify_event *event; char inotify_buf[EVENT_BUF_LEN]; memset((void *)inotify_buf, 0x0, EVENT_BUF_LEN); #elif defined(BSD_KQUEUE) struct kevent event_data[NUM_EVENT_SLOTS]; memset((void *)event_data, 0x0, sizeof(struct kevent) * NUM_EVENT_SLOTS); #endif if (c == 0 || c == MSGWAIT) { c = getch(); DPRINTF_D(c); if (presel == MSGWAIT) { if (cfg.filtermode) c = FILTER; else c = CONTROL('L'); } } if (c == -1) { ++idle; /* * Do not check for directory changes in du mode. * A redraw forces du calculation. * Check for changes every odd second. */ #ifdef LINUX_INOTIFY if (!cfg.selmode && !cfg.blkorder && inotify_wd >= 0 && (idle & 1)) { i = read(inotify_fd, inotify_buf, EVENT_BUF_LEN); if (i > 0) { char *ptr; for (ptr = inotify_buf; ptr + ((struct inotify_event *)ptr)->len < inotify_buf + i; ptr += sizeof(struct inotify_event) + event->len) { event = (struct inotify_event *) ptr; DPRINTF_D(event->wd); DPRINTF_D(event->mask); if (!event->wd) break; if (event->mask & INOTIFY_MASK) { c = CONTROL('L'); DPRINTF_S("issue refresh"); break; } } DPRINTF_S("inotify read done"); } } #elif defined(BSD_KQUEUE) if (!cfg.selmode && !cfg.blkorder && event_fd >= 0 && idle & 1 && kevent(kq, events_to_monitor, NUM_EVENT_SLOTS, event_data, NUM_EVENT_FDS, >imeout) > 0) c = CONTROL('L'); #endif } else idle = 0; for (i = 0; i < len; ++i) if (c == bindings[i].sym) return bindings[i].act; return 0; } static inline void swap_ent(int id1, int id2) { struct entry _dent, *pdent1 = &dents[id1], *pdent2 = &dents[id2]; *(&_dent) = *pdent1; *pdent1 = *pdent2; *pdent2 = *(&_dent); } /* * Move non-matching entries to the end */ static int fill(const char *fltr, regex_t *re) { int count = 0; fltrexp_t fltrexp = { .regex = re, .str = fltr }; for (; count < ndents; ++count) { if (filterfn(&fltrexp, dents[count].name) == 0) { if (count != --ndents) { swap_ent(count, ndents); --count; } continue; } } return ndents; } static int matches(const char *fltr) { regex_t re; /* Search filter */ if (cfg.filter_re && setfilter(&re, fltr) != 0) return -1; ndents = fill(fltr, &re); if (cfg.filter_re) regfree(&re); qsort(dents, ndents, sizeof(*dents), entrycmp); return ndents; } static int filterentries(char *path) { wchar_t *wln = (wchar_t *)alloca(sizeof(wchar_t) * REGEX_MAX); char *ln = g_ctx[cfg.curctx].c_fltr; wint_t ch[2] = {0}; int r, total = ndents, oldcur = cur, len; char *pln = g_ctx[cfg.curctx].c_fltr + 1; cur = 0; if (ndents && ln[0] == FILTER && *pln) { if (matches(pln) != -1) redraw(path); len = mbstowcs(wln, ln, REGEX_MAX); } else { ln[0] = wln[0] = FILTER; ln[1] = wln[1] = '\0'; len = 1; } cleartimeout(); curs_set(TRUE); printprompt(ln); while ((r = get_wch(ch)) != ERR) { switch (*ch) { #ifdef KEY_RESIZE case KEY_RESIZE: clearoldprompt(); if (len == 1) { cur = oldcur; redraw(path); cur = 0; } else redraw(path); printprompt(ln); continue; #endif case KEY_DC: // fallthrough case KEY_BACKSPACE: // fallthrough case '\b': // fallthrough case CONTROL('L'): // fallthrough case 127: /* handle DEL */ if (len == 1 && *ch != CONTROL('L')) { cur = oldcur; *ch = CONTROL('L'); goto end; } if (*ch == CONTROL('L')) while (len > 1) wln[--len] = '\0'; else wln[--len] = '\0'; if (len == 1) cur = oldcur; wcstombs(ln, wln, REGEX_MAX); ndents = total; if (matches(pln) != -1) redraw(path); printprompt(ln); continue; case KEY_MOUSE: // fallthrough case 27: /* Exit filter mode on Escape */ if (len == 1) cur = oldcur; goto end; } if (r == OK) { /* Handle all control chars in main loop */ if ((*ch < ASCII_MAX && keyname(*ch)[0] == '^' && *ch != '^') || (*ch == ']' && len == 1)) { DPRINTF_D(*ch); DPRINTF_S(keyname(*ch)); /* If there's a filter, try a command on ^P */ if (cfg.filtercmd && *ch == CONTROL('P') && len > 1) { prompt_run(pln, (ndents ? dents[cur].name : ""), path); /* Clear the prompt */ while (len > 1) wln[--len] = '\0'; wcstombs(ln, wln, REGEX_MAX); ndents = total; if (matches(pln) != -1) redraw(path); printprompt(ln); continue; } if (len == 1) cur = oldcur; goto end; } switch (*ch) { case '/': /* works as Leader key in filter mode */ *ch = CONTROL('_'); // fallthrough if (len == 1) cur = oldcur; goto end; case '=': // fallthrough /* Launch app */ case ':': // fallthrough /* Run plugin keys */ case ';': // fallthrough case '?': /* Help and config key, '?' is an invalid regex */ if (len == 1) { cur = oldcur; goto end; } // fallthrough default: /* Reset cur in case it's a repeat search */ if (len == 1) cur = 0; if (len == REGEX_MAX - 1) break; wln[len] = (wchar_t)*ch; wln[++len] = '\0'; wcstombs(ln, wln, REGEX_MAX); /* Forward-filtering optimization: * - new matches can only be a subset of current matches. */ /* ndents = total; */ if (matches(pln) == -1) continue; /* If the only match is a dir, auto-select and cd into it */ if (ndents == 1 && cfg.filtermode && cfg.autoselect && (dents[0].flags & DIR_OR_LINK_TO_DIR)) { *ch = KEY_ENTER; cur = 0; goto end; } /* * redraw() should be above the auto-select optimization, for * the case where there's an issue with dir auto-select, say, * due to a permission problem. The transition is _jumpy_ in * case of such an error. However, we optimize for successful * cases where the dir has permissions. This skips a redraw(). */ redraw(path); printprompt(ln); } } else { if (len == 1) cur = oldcur; goto end; } } end: if (*ch != '\t') g_ctx[cfg.curctx].c_fltr[0] = g_ctx[cfg.curctx].c_fltr[1] = '\0'; move_cursor(cur, 0); curs_set(FALSE); settimeout(); /* Return keys for navigation etc. */ return *ch; } /* Show a prompt with input string and return the changes */ static char *xreadline(const char *prefill, const char *prompt) { size_t len, pos; int x, r; const int WCHAR_T_WIDTH = sizeof(wchar_t); wint_t ch[2] = {0}; wchar_t * const buf = malloc(sizeof(wchar_t) * READLINE_MAX); if (!buf) errexit(); cleartimeout(); printprompt(prompt); if (prefill) { DPRINTF_S(prefill); len = pos = mbstowcs(buf, prefill, READLINE_MAX); } else len = (size_t)-1; if (len == (size_t)-1) { buf[0] = '\0'; len = pos = 0; } x = getcurx(stdscr); curs_set(TRUE); while (1) { buf[len] = ' '; mvaddnwstr(xlines - 1, x, buf, len + 1); move(xlines - 1, x + wcswidth(buf, pos)); r = get_wch(ch); if (r != ERR) { if (r == OK) { switch (*ch) { case KEY_ENTER: // fallthrough case '\n': // fallthrough case '\r': goto END; case 127: // fallthrough case '\b': /* rhel25 sends '\b' for backspace */ if (pos > 0) { memmove(buf + pos - 1, buf + pos, (len - pos) * WCHAR_T_WIDTH); --len, --pos; } // fallthrough case '\t': /* TAB breaks cursor position, ignore it */ continue; case CONTROL('L'): printprompt(prompt); len = pos = 0; continue; case CONTROL('A'): pos = 0; continue; case CONTROL('E'): pos = len; continue; case CONTROL('U'): printprompt(prompt); memmove(buf, buf + pos, (len - pos) * WCHAR_T_WIDTH); len -= pos; pos = 0; continue; case 27: /* Exit prompt on Escape */ len = 0; goto END; } /* Filter out all other control chars */ if (*ch < ASCII_MAX && keyname(*ch)[0] == '^') continue; if (pos < READLINE_MAX - 1) { memmove(buf + pos + 1, buf + pos, (len - pos) * WCHAR_T_WIDTH); buf[pos] = *ch; ++len, ++pos; continue; } } else { switch (*ch) { #ifdef KEY_RESIZE case KEY_RESIZE: clearoldprompt(); xlines = LINES; printprompt(prompt); break; #endif case KEY_LEFT: if (pos > 0) --pos; break; case KEY_RIGHT: if (pos < len) ++pos; break; case KEY_BACKSPACE: if (pos > 0) { memmove(buf + pos - 1, buf + pos, (len - pos) * WCHAR_T_WIDTH); --len, --pos; } break; case KEY_DC: if (pos < len) { memmove(buf + pos, buf + pos + 1, (len - pos - 1) * WCHAR_T_WIDTH); --len; } break; case KEY_END: pos = len; break; case KEY_HOME: pos = 0; break; default: break; } } } } END: curs_set(FALSE); settimeout(); clearprompt(); buf[len] = '\0'; pos = wcstombs(g_buf, buf, READLINE_MAX - 1); if (pos >= READLINE_MAX - 1) g_buf[READLINE_MAX - 1] = '\0'; free(buf); return g_buf; } #ifndef NORL /* * Caller should check the value of presel to confirm if it needs to wait to show warning */ static char *getreadline(const char *prompt, char *path, char *curpath, int *presel) { /* Switch to current path for readline(3) */ if (chdir(path) == -1) { printwarn(presel); return NULL; } exitcurses(); char *input = readline(prompt); refresh(); if (chdir(curpath) == -1) { printwarn(presel); free(input); return NULL; } if (input && input[0]) { add_history(input); xstrlcpy(g_buf, input, CMD_LEN_MAX); free(input); return g_buf; } free(input); return NULL; } #endif /* * Updates out with "dir/name or "/name" * Returns the number of bytes copied including the terminating NULL byte */ static size_t mkpath(const char *dir, const char *name, char *out) { size_t len; /* Handle absolute path */ if (name[0] == '/') return xstrlcpy(out, name, PATH_MAX); /* Handle root case */ if (istopdir(dir)) len = 1; else len = xstrlcpy(out, dir, PATH_MAX); out[len - 1] = '/'; // NOLINT return (xstrlcpy(out + len, name, PATH_MAX - len) + len); } /* * Create symbolic/hard link(s) to file(s) in selection list * Returns the number of links created */ static int xlink(char *suffix, char *path, char *curfname, char *buf, int *presel, int type) { int count = 0, choice = 's'; char *pbuf = pselbuf, *fname; size_t pos = 0, len, r; int (*link_fn)(const char *, const char *) = NULL; if (selbufpos) { if (ndents) { choice = get_input(messages[MSG_CUR_SEL_OPTS]); if (choice != 'c' && choice != 's') return -1; } } else if (ndents) choice = 'c'; else return -1; if (type == 's') /* symbolic link */ link_fn = &symlink; else /* hard link */ link_fn = &link; if (choice == 'c') { char lnpath[PATH_MAX]; mkpath(path, curfname, buf); r = mkpath(path, curfname, lnpath); xstrlcpy(lnpath + r - 1, suffix, PATH_MAX - r - 1); if (!link_fn(buf, lnpath)) return 1; printwarn(presel); return 0; /* One link created */ } while (pos < selbufpos) { len = strlen(pbuf); fname = xbasename(pbuf); r = mkpath(path, fname, buf); xstrlcpy(buf + r - 1, suffix, PATH_MAX - r - 1); if (!link_fn(pbuf, buf)) ++count; pos += len + 1; pbuf += len + 1; } if (!count) printwait(messages[MSG_0_CREATED], presel); return count; } static bool parsekvpair(kv *kvarr, char **envcpy, const char *cfgstr, uchar maxitems) { int i = 0; char *nextkey; char *ptr = getenv(cfgstr); if (!ptr || !*ptr) return TRUE; *envcpy = strdup(ptr); ptr = *envcpy; nextkey = ptr; while (*ptr && i < maxitems) { if (ptr == nextkey) { kvarr[i].key = *ptr; if (*++ptr != ':') return FALSE; if (*++ptr == '\0') return FALSE; kvarr[i].val = ptr; ++i; } if (*ptr == ';') { /* Remove trailing space */ if (i > 0 && *(ptr - 1) == '/') *(ptr - 1) = '\0'; *ptr = '\0'; nextkey = ptr + 1; } ++ptr; } if (i < maxitems) { if (*kvarr[i - 1].val == '\0') return FALSE; kvarr[i].key = '\0'; } return TRUE; } /* * Get the value corresponding to a key * * NULL is returned in case of no match, path resolution failure etc. * buf would be modified, so check return value before access */ static char *get_kv_val(kv *kvarr, char *buf, int key, uchar max, bool path) { int r = 0; for (; kvarr[r].key && r < max; ++r) { if (kvarr[r].key == key) { if (!path) return kvarr[r].val; if (kvarr[r].val[0] == '~') { ssize_t len = strlen(home); ssize_t loclen = strlen(kvarr[r].val); if (!buf) buf = (char *)malloc(len + loclen); xstrlcpy(buf, home, len + 1); xstrlcpy(buf + len, kvarr[r].val + 1, loclen); return buf; } return realpath(kvarr[r].val, buf); } } DPRINTF_S("Invalid key"); return NULL; } static inline void resetdircolor(int flags) { if (cfg.dircolor && !(flags & DIR_OR_LINK_TO_DIR)) { attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); cfg.dircolor = 0; } } /* * Replace escape characters in a string with '?' * Adjust string length to maxcols if > 0; * Max supported str length: NAME_MAX; * * Interestingly, note that unescape() uses g_buf. What happens if * str also points to g_buf? In this case we assume that the caller * acknowledges that it's OK to lose the data in g_buf after this * call to unescape(). * The API, on its part, first converts str to multibyte (after which * it doesn't touch str anymore). Only after that it starts modifying * g_buf. This is a phased operation. */ static char *unescape(const char *str, uint maxcols, wchar_t **wstr) { static wchar_t wbuf[NAME_MAX + 1] __attribute__ ((aligned)); wchar_t *buf = wbuf; size_t lencount = 0; #ifdef NOLOCALE memset(wbuf, 0, sizeof(wbuf)); #endif /* Convert multi-byte to wide char */ size_t len = mbstowcs(wbuf, str, NAME_MAX); while (*buf && lencount <= maxcols) { if (*buf <= '\x1f' || *buf == '\x7f') *buf = '\?'; ++buf; ++lencount; } len = lencount = wcswidth(wbuf, len); /* Reduce number of wide chars to max columns */ if (len > maxcols) { lencount = maxcols + 1; /* Reduce wide chars one by one till it fits */ while (len > maxcols) len = wcswidth(wbuf, --lencount); wbuf[lencount] = L'\0'; } if (wstr) { *wstr = wbuf; return NULL; } /* Convert wide char to multi-byte */ wcstombs(g_buf, wbuf, NAME_MAX); return g_buf; } static char *coolsize(off_t size) { const char * const U = "BKMGTPEZY"; static char size_buf[12]; /* Buffer to hold human readable size */ off_t rem = 0; size_t ret; int i = 0; while (size >= 1024) { rem = size & (0x3FF); /* 1024 - 1 = 0x3FF */ size >>= 10; ++i; } if (i == 1) { rem = (rem * 1000) >> 10; rem /= 10; if (rem % 10 >= 5) { rem = (rem / 10) + 1; if (rem == 10) { ++size; rem = 0; } } else rem /= 10; } else if (i == 2) { rem = (rem * 1000) >> 10; if (rem % 10 >= 5) { rem = (rem / 10) + 1; if (rem == 100) { ++size; rem = 0; } } else rem /= 10; } else if (i > 0) { rem = (rem * 10000) >> 10; if (rem % 10 >= 5) { rem = (rem / 10) + 1; if (rem == 1000) { ++size; rem = 0; } } else rem /= 10; } if (i > 0 && i < 6 && rem) { ret = xstrlcpy(size_buf, xitoa(size), 12); size_buf[ret - 1] = '.'; char *frac = xitoa(rem); size_t toprint = i > 3 ? 3 : i; size_t len = strlen(frac); if (len < toprint) { size_buf[ret] = size_buf[ret + 1] = size_buf[ret + 2] = '0'; xstrlcpy(size_buf + ret + (toprint - len), frac, len + 1); } else xstrlcpy(size_buf + ret, frac, toprint + 1); ret += toprint; } else { ret = xstrlcpy(size_buf, size ? xitoa(size) : "0", 12); --ret; } size_buf[ret] = U[i]; size_buf[ret + 1] = '\0'; return size_buf; } static char get_fileind(mode_t mode) { char c = '\0'; switch (mode & S_IFMT) { case S_IFREG: c = '-'; break; case S_IFDIR: c = 'd'; break; case S_IFLNK: c = 'l'; break; case S_IFSOCK: c = 's'; break; case S_IFIFO: c = 'p'; break; case S_IFBLK: c = 'b'; break; case S_IFCHR: c = 'c'; break; default: c = '?'; break; } return c; } /* Convert a mode field into "ls -l" type perms field. */ static char *get_lsperms(mode_t mode) { static const char * const rwx[] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"}; static char bits[11] = {'\0'}; bits[0] = get_fileind(mode); xstrlcpy(&bits[1], rwx[(mode >> 6) & 7], 4); xstrlcpy(&bits[4], rwx[(mode >> 3) & 7], 4); xstrlcpy(&bits[7], rwx[(mode & 7)], 4); if (mode & S_ISUID) bits[3] = (mode & 0100) ? 's' : 'S'; /* user executable */ if (mode & S_ISGID) bits[6] = (mode & 0010) ? 's' : 'l'; /* group executable */ if (mode & S_ISVTX) bits[9] = (mode & 0001) ? 't' : 'T'; /* others executable */ return bits; } static void printent(const struct entry *ent, int sel, uint namecols) { wchar_t *wstr; char ind = '\0'; switch (ent->mode & S_IFMT) { case S_IFREG: if (ent->mode & 0100) ind = '*'; break; case S_IFDIR: ind = '/'; break; case S_IFLNK: ind = '@'; break; case S_IFSOCK: ind = '='; break; case S_IFIFO: ind = '|'; break; case S_IFBLK: // fallthrough case S_IFCHR: break; default: ind = '?'; break; } if (!ind) ++namecols; unescape(ent->name, namecols, &wstr); /* Directories are always shown on top */ resetdircolor(ent->flags); if (sel) attron(A_REVERSE); addch((ent->flags & FILE_SELECTED) ? '+' : ' '); addwstr(wstr); if (ind) addch(ind); addch('\n'); if (sel) attroff(A_REVERSE); } static void printent_long(const struct entry *ent, int sel, uint namecols) { char timebuf[24], permbuf[4], ind1 = '\0', ind2[] = "\0\0"; const char cp = (ent->flags & FILE_SELECTED) ? '+' : ' '; /* Timestamp */ strftime(timebuf, sizeof(timebuf), "%F %R", localtime(&ent->t)); timebuf[sizeof(timebuf)-1] = '\0'; /* Permissions */ permbuf[0] = '0' + ((ent->mode >> 6) & 7); permbuf[1] = '0' + ((ent->mode >> 3) & 7); permbuf[2] = '0' + (ent->mode & 7); permbuf[3] = '\0'; /* Add a column if no indicator is needed */ if (S_ISREG(ent->mode) && !(ent->mode & 0100)) ++namecols; /* Trim escape chars from name */ const char *pname = unescape(ent->name, namecols, NULL); /* Directories are always shown on top */ resetdircolor(ent->flags); if (sel) attron(A_REVERSE); switch (ent->mode & S_IFMT) { case S_IFREG: if (ent->mode & 0100) printw("%c%-16.16s %s %8.8s* %s*\n", cp, timebuf, permbuf, coolsize(cfg.blkorder ? ent->blocks << blk_shift : ent->size), pname); else printw("%c%-16.16s %s %8.8s %s\n", cp, timebuf, permbuf, coolsize(cfg.blkorder ? ent->blocks << blk_shift : ent->size), pname); break; case S_IFDIR: printw("%c%-16.16s %s %8.8s %s/\n", cp, timebuf, permbuf, coolsize(cfg.blkorder ? ent->blocks << blk_shift : ent->size), pname); break; case S_IFLNK: printw("%c%-16.16s %s @ %s@\n", cp, timebuf, permbuf, pname); break; case S_IFSOCK: ind1 = ind2[0] = '='; // fallthrough case S_IFIFO: if (!ind1) ind1 = ind2[0] = '|'; // fallthrough case S_IFBLK: if (!ind1) ind1 = 'b'; // fallthrough case S_IFCHR: if (!ind1) ind1 = 'c'; // fallthrough default: if (!ind1) ind1 = ind2[0] = '?'; printw("%c%-16.16s %s %c %s%s\n", cp, timebuf, permbuf, ind1, pname, ind2); break; } if (sel) attroff(A_REVERSE); } static void (*printptr)(const struct entry *ent, int sel, uint namecols) = &printent; static void savecurctx(settings *curcfg, char *path, char *curname, int r /* next context num */) { settings cfg = *curcfg; bool selmode = cfg.selmode ? TRUE : FALSE; /* Save current context */ xstrlcpy(g_ctx[cfg.curctx].c_name, curname, NAME_MAX + 1); g_ctx[cfg.curctx].c_cfg = cfg; if (g_ctx[r].c_cfg.ctxactive) { /* Switch to saved context */ /* Switch light/detail mode */ if (cfg.showdetail != g_ctx[r].c_cfg.showdetail) /* set the reverse */ printptr = cfg.showdetail ? &printent : &printent_long; cfg = g_ctx[r].c_cfg; } else { /* Setup a new context from current context */ g_ctx[r].c_cfg.ctxactive = 1; xstrlcpy(g_ctx[r].c_path, path, PATH_MAX); g_ctx[r].c_last[0] = '\0'; xstrlcpy(g_ctx[r].c_name, curname, NAME_MAX + 1); g_ctx[r].c_fltr[0] = g_ctx[r].c_fltr[1] = '\0'; g_ctx[r].c_cfg = cfg; g_ctx[r].c_cfg.runplugin = 0; } /* Continue selection mode */ cfg.selmode = selmode; cfg.curctx = r; *curcfg = cfg; } static void save_session(bool last_session, int *presel) { char spath[PATH_MAX]; int i; session_header_t header; FILE *fsession; char *sname; bool status = FALSE; header.ver = SESSIONS_VERSION; for (i = 0; i < CTX_MAX; ++i) { if (!g_ctx[i].c_cfg.ctxactive) { header.pathln[i] = header.nameln[i] = header.lastln[i] = header.fltrln[i] = 0; } else { header.pathln[i] = strnlen(g_ctx[i].c_path, PATH_MAX) + 1; header.nameln[i] = strnlen(g_ctx[i].c_name, NAME_MAX) + 1; header.lastln[i] = strnlen(g_ctx[i].c_last, PATH_MAX) + 1; header.fltrln[i] = strnlen(g_ctx[i].c_fltr, REGEX_MAX) + 1; } } sname = !last_session ? xreadline(NULL, messages[MSG_SSN_NAME]) : "@"; if (!sname[0]) return; mkpath(sessiondir, sname, spath); fsession = fopen(spath, "wb"); if (!fsession) { printwait(messages[MSG_SSN_MISSING], presel); return; } if ((fwrite(&header, sizeof(header), 1, fsession) != 1) || (fwrite(&cfg, sizeof(cfg), 1, fsession) != 1)) goto END; for (i = 0; i < CTX_MAX; ++i) if ((fwrite(&g_ctx[i].c_cfg, sizeof(settings), 1, fsession) != 1) || (fwrite(&g_ctx[i].color, sizeof(uint), 1, fsession) != 1) || (header.nameln[i] > 0 && fwrite(g_ctx[i].c_name, header.nameln[i], 1, fsession) != 1) || (header.lastln[i] > 0 && fwrite(g_ctx[i].c_last, header.lastln[i], 1, fsession) != 1) || (header.fltrln[i] > 0 && fwrite(g_ctx[i].c_fltr, header.fltrln[i], 1, fsession) != 1) || (header.pathln[i] > 0 && fwrite(g_ctx[i].c_path, header.pathln[i], 1, fsession) != 1)) goto END; status = TRUE; END: fclose(fsession); if (!status) printwait(messages[MSG_FAILED], presel); } static bool load_session(const char *sname, char **path, char **lastdir, char **lastname, bool restore) { char spath[PATH_MAX]; int i = 0; session_header_t header; FILE *fsession; bool has_loaded_dynamically = !(sname || restore); bool status = FALSE; if (!restore) { sname = sname ? sname : xreadline(NULL, messages[MSG_SSN_NAME]); if (!sname[0]) return FALSE; mkpath(sessiondir, sname, spath); } else mkpath(sessiondir, "@", spath); if (has_loaded_dynamically) save_session(TRUE, NULL); fsession = fopen(spath, "rb"); if (!fsession) { printmsg(messages[MSG_SSN_MISSING]); xdelay(XDELAY_INTERVAL_MS); return FALSE; } if ((fread(&header, sizeof(header), 1, fsession) != 1) || (header.ver != SESSIONS_VERSION) || (fread(&cfg, sizeof(cfg), 1, fsession) != 1)) goto END; g_ctx[cfg.curctx].c_name[0] = g_ctx[cfg.curctx].c_last[0] = g_ctx[cfg.curctx].c_fltr[0] = g_ctx[cfg.curctx].c_fltr[1] = '\0'; for (; i < CTX_MAX; ++i) if ((fread(&g_ctx[i].c_cfg, sizeof(settings), 1, fsession) != 1) || (fread(&g_ctx[i].color, sizeof(uint), 1, fsession) != 1) || (header.nameln[i] > 0 && fread(g_ctx[i].c_name, header.nameln[i], 1, fsession) != 1) || (header.lastln[i] > 0 && fread(g_ctx[i].c_last, header.lastln[i], 1, fsession) != 1) || (header.fltrln[i] > 0 && fread(g_ctx[i].c_fltr, header.fltrln[i], 1, fsession) != 1) || (header.pathln[i] > 0 && fread(g_ctx[i].c_path, header.pathln[i], 1, fsession) != 1)) goto END; *path = g_ctx[cfg.curctx].c_path; *lastdir = g_ctx[cfg.curctx].c_last; *lastname = g_ctx[cfg.curctx].c_name; status = TRUE; END: fclose(fsession); if (!status) { printmsg(messages[MSG_FAILED]); xdelay(XDELAY_INTERVAL_MS); } return status; } /* * Gets only a single line (that's what we need * for now) or shows full command output in pager. * * If page is valid, returns NULL */ static char *get_output(char *buf, const size_t bytes, const char *file, const char *arg1, const char *arg2, const bool page) { pid_t pid; int pipefd[2]; FILE *pf; int tmp, flags; char *ret = NULL; if (pipe(pipefd) == -1) errexit(); for (tmp = 0; tmp < 2; ++tmp) { /* Get previous flags */ flags = fcntl(pipefd[tmp], F_GETFL, 0); /* Set bit for non-blocking flag */ flags |= O_NONBLOCK; /* Change flags on fd */ fcntl(pipefd[tmp], F_SETFL, flags); } pid = fork(); if (pid == 0) { /* In child */ close(pipefd[0]); dup2(pipefd[1], STDOUT_FILENO); dup2(pipefd[1], STDERR_FILENO); close(pipefd[1]); execlp(file, file, arg1, arg2, NULL); _exit(1); } /* In parent */ waitpid(pid, &tmp, 0); close(pipefd[1]); if (!page) { pf = fdopen(pipefd[0], "r"); if (pf) { ret = fgets(buf, bytes, pf); close(pipefd[0]); } return ret; } pid = fork(); if (pid == 0) { /* Show in pager in child */ dup2(pipefd[0], STDIN_FILENO); close(pipefd[0]); spawn(pager, NULL, NULL, NULL, F_CLI); _exit(1); } /* In parent */ waitpid(pid, &tmp, 0); close(pipefd[0]); return NULL; } static inline bool getutil(char *util) { return spawn("which", util, NULL, NULL, F_NORMAL | F_NOTRACE) == 0; } static void pipetof(char *cmd, FILE *fout) { FILE *fin = popen(cmd, "r"); if (fin) { while (fgets(g_buf, CMD_LEN_MAX - 1, fin)) fprintf(fout, "%s", g_buf); pclose(fin); } } /* * Follows the stat(1) output closely */ static bool show_stats(const char *fpath, const struct stat *sb) { int fd; FILE *fp; char *p, *begin = g_buf; size_t r; fd = create_tmp_file(); if (fd == -1) return FALSE; r = xstrlcpy(g_buf, "stat \"", PATH_MAX); r += xstrlcpy(g_buf + r - 1, fpath, PATH_MAX); g_buf[r - 2] = '\"'; g_buf[r - 1] = '\0'; DPRINTF_S(g_buf); fp = fdopen(fd, "w"); if (!fp) { close(fd); return FALSE; } pipetof(g_buf, fp); if (S_ISREG(sb->st_mode)) { /* Show file(1) output */ p = get_output(g_buf, CMD_LEN_MAX, "file", "-b", fpath, FALSE); if (p) { fprintf(fp, "\n\n "); while (*p) { if (*p == ',') { *p = '\0'; fprintf(fp, " %s\n", begin); begin = p + 1; } ++p; } fprintf(fp, " %s", begin); } } fprintf(fp, "\n\n"); fclose(fp); close(fd); spawn(pager, g_tmpfpath, NULL, NULL, F_CLI); unlink(g_tmpfpath); return TRUE; } static size_t get_fs_info(const char *path, bool type) { struct statvfs svb; if (statvfs(path, &svb) == -1) return 0; if (type == CAPACITY) return svb.f_blocks << ffs((int)(svb.f_bsize >> 1)); return svb.f_bavail << ffs((int)(svb.f_frsize >> 1)); } /* List or extract archive */ static void handle_archive(char *fpath, const char *dir, char op) { char arg[] = "-tvf"; /* options for tar/bsdtar to list files */ char *util; if (getutil(utils[UTIL_ATOOL])) { util = utils[UTIL_ATOOL]; arg[1] = op; arg[2] = '\0'; } else if (getutil(utils[UTIL_BSDTAR])) { util = utils[UTIL_BSDTAR]; if (op == 'x') arg[1] = op; } else if (is_suffix(fpath, ".zip")) { util = utils[UTIL_UNZIP]; arg[1] = (op == 'l') ? 'v' /* verbose listing */ : '\0'; arg[2] = '\0'; } else { util = utils[UTIL_TAR]; if (op == 'x') arg[1] = op; } if (op == 'x') { /* extract */ spawn(util, arg, fpath, dir, F_NORMAL); } else { /* list */ exitcurses(); get_output(NULL, 0, util, arg, fpath, TRUE); refresh(); } } static char *visit_parent(char *path, char *newpath, int *presel) { char *dir; /* There is no going back */ if (istopdir(path)) { /* Continue in navigate-as-you-type mode, if enabled */ if (cfg.filtermode) *presel = FILTER; return NULL; } /* Use a copy as dirname() may change the string passed */ xstrlcpy(newpath, path, PATH_MAX); dir = dirname(newpath); if (access(dir, R_OK) == -1) { printwarn(presel); return NULL; } return dir; } static void find_accessible_parent(char *path, char *newpath, char *lastname, int *presel) { char *dir; /* Save history */ xstrlcpy(lastname, xbasename(path), NAME_MAX + 1); xstrlcpy(newpath, path, PATH_MAX); while (true) { dir = visit_parent(path, newpath, presel); if (istopdir(path) || istopdir(newpath)) { if (!dir) dir = dirname(newpath); break; } if (!dir) { xstrlcpy(path, newpath, PATH_MAX); continue; } break; } xstrlcpy(path, dir, PATH_MAX); printmsg(messages[MSG_DIR_ACCESS]); xdelay(XDELAY_INTERVAL_MS); } static bool execute_file(int cur, char *path, char *newpath, int *presel) { if (!ndents) return FALSE; /* Check if this is a directory */ if (!S_ISREG(dents[cur].mode)) { printwait(messages[MSG_NOT_REG_FILE], presel); return FALSE; } /* Check if file is executable */ if (!(dents[cur].mode & 0100)) { printwait(messages[MSG_PERM_DENIED], presel); return FALSE; } mkpath(path, dents[cur].name, newpath); spawn(newpath, NULL, NULL, path, F_NORMAL); return TRUE; } /* Create non-existent parents and a file or dir */ static bool xmktree(char* path, bool dir) { char* p = path; char *slash = path; if (!p || !*p) return FALSE; /* Skip the first '/' */ ++p; while (*p != '\0') { if (*p == '/') { slash = p; *p = '\0'; } else { ++p; continue; } /* Create folder from path to '\0' inserted at p */ if (mkdir(path, 0777) == -1 && errno != EEXIST) { DPRINTF_S("mkdir1!"); DPRINTF_S(strerror(errno)); *slash = '/'; return FALSE; } /* Restore path */ *slash = '/'; ++p; } if (dir) { if(mkdir(path, 0777) == -1 && errno != EEXIST) { DPRINTF_S("mkdir2!"); DPRINTF_S(strerror(errno)); return FALSE; } } else { int fd = open(path, O_CREAT, 0666); if (fd == -1 && errno != EEXIST) { DPRINTF_S("open!"); DPRINTF_S(strerror(errno)); return FALSE; } close(fd); } return TRUE; } static bool archive_mount(char *name, char *path, char *newpath, int *presel) { char *dir, *cmd = utils[UTIL_ARCHIVEMOUNT]; size_t len; if (!getutil(cmd)) { printwait(messages[MSG_UTIL_MISSING], presel); return FALSE; } dir = strdup(name); if (!dir) return FALSE; len = strlen(dir); while (len > 1) if (dir[--len] == '.') { dir[len] = '\0'; break; } DPRINTF_S(dir); /* Create the mount point */ mkpath(cfgdir, dir, newpath); free(dir); if (!xmktree(newpath, TRUE)) { printwait(strerror(errno), presel); return FALSE; } /* Mount archive */ DPRINTF_S(name); DPRINTF_S(newpath); if (spawn(cmd, name, newpath, path, F_NORMAL)) { printwait(messages[MSG_FAILED], presel); return FALSE; } return TRUE; } static bool remote_mount(char *newpath, int *presel) { uchar flag = F_CLI; int r, opt = get_input(messages[MSG_REMOTE_OPTS]); char *tmp, *env, *cmd; if (opt == 's') { cmd = utils[UTIL_SSHFS]; env = xgetenv("NNN_SSHFS_OPTS", cmd); } else if (opt == 'r') { flag |= F_NOWAIT; cmd = utils[UTIL_RCLONE]; env = xgetenv("NNN_RCLONE_OPTS", "rclone mount"); } else { printwait(messages[MSG_FAILED], presel); return FALSE; } if (!getutil(cmd)) { printwait(messages[MSG_UTIL_MISSING], presel); return FALSE; } tmp = xreadline(NULL, messages[MSG_HOSTNAME]); if (!tmp[0]) return FALSE; /* Create the mount point */ mkpath(cfgdir, tmp, newpath); if (!xmktree(newpath, TRUE)) { printwait(strerror(errno), presel); return FALSE; } /* Convert "Host" to "Host:" */ r = strlen(tmp); if (tmp[r - 1] != ':') { /* Append ':' if missing */ tmp[r] = ':'; tmp[r + 1] = '\0'; } /* Connect to remote */ if (opt == 's') { if (spawn(env, tmp, newpath, NULL, flag)) { printwait(messages[MSG_FAILED], presel); return FALSE; } } else { spawn(env, tmp, newpath, NULL, flag); printmsg(messages[MSG_RCLONE_DELAY]); xdelay(XDELAY_INTERVAL_MS << 2); /* Set 4 times the usual delay */ } return TRUE; } /* * Unmounts if the directory represented by name is a mount point. * Otherwise, asks for hostname */ static bool unmount(char *name, char *newpath, int *presel, char *currentpath) { static char cmd[] = "fusermount3"; /* Arch Linux utility */ static bool found = FALSE; char *tmp = name; struct stat sb, psb; bool child = FALSE; bool parent = FALSE; /* On Ubuntu it's fusermount */ if (!found && !getutil(cmd)) { cmd[10] = '\0'; found = TRUE; } if (tmp && strcmp(cfgdir, currentpath) == 0) { mkpath(cfgdir, tmp, newpath); child = lstat(newpath, &sb) != -1; parent = lstat(dirname(newpath), &psb) != -1; if (!child && !parent) { *presel = MSGWAIT; return FALSE; } } if (!tmp || !child || !S_ISDIR(sb.st_mode) || (child && parent && sb.st_dev == psb.st_dev)) { tmp = xreadline(NULL, messages[MSG_HOSTNAME]); if (!tmp[0]) return FALSE; } /* Create the mount point */ mkpath(cfgdir, tmp, newpath); if (!xdiraccess(newpath)) { *presel = MSGWAIT; return FALSE; } if (spawn(cmd, "-u", newpath, NULL, F_NORMAL)) { printwait(messages[MSG_FAILED], presel); return FALSE; } return TRUE; } static void lock_terminal(void) { char *tmp = utils[UTIL_LOCKER]; if (!getutil(tmp)) tmp = utils[UTIL_CMATRIX]; spawn(tmp, NULL, NULL, NULL, F_NORMAL); } static void printkv(kv *kvarr, FILE *fp, uchar max) { uchar i = 0; for (; i < max && kvarr[i].key; ++i) fprintf(fp, " %c: %s\n", (char)kvarr[i].key, kvarr[i].val); } /* * The help string tokens (each line) start with a HEX value * which indicates the number of spaces to print before the * particular token. This method was chosen instead of a flat * string because the number of bytes in help was increasing * the binary size by around a hundred bytes. This would only * have increased as we keep adding new options. */ static void show_help(const char *path) { int i, fd; FILE *fp; const char *start, *end; const char helpstr[] = { "0\n" "1NAVIGATION\n" "9Up k Up PgUp ^U Scroll up\n" "7Down j Down PgDn ^D Scroll down\n" "7Left h Parent ~ ` @ - HOME, /, start, last\n" "2Ret Right l Open . Toggle show hidden\n" "9g ^A First entry G ^E Last entry\n" "cb Pin current dir ^B Go to pinned dir\n" "6(Sh)Tab Cycle context d Toggle detail view\n" "9, ^/ Lead key N LeadN Context N\n" "c/ Filter/Lead Ins ^N Toggle nav-as-you-type\n" "aEsc Exit prompt ^L F5 Redraw/clear prompt\n" "c? Help, conf ' Lead' First file\n" "9Q ^Q Quit ^G QuitCD q Quit context\n" "1FILES\n" "b^O Open with... n Create new/link\n" "cD File details ^R F2 Rename/duplicate\n" "3Space ^J/a Sel toggle/all r Batch rename\n" "9m ^K Sel range, clear M List selection\n" "cP Copy selection K Edit, flush sel\n" "cV Move selection w Copy/move sel as\n" "cX Del selection ^X Del entry\n" "cf Create archive T Mount archive\n" "b^F Extract archive F List archive\n" "ce Edit in EDITOR p Open in PAGER\n" "1ORDER TOGGLES\n" "cA Apparent du S du\n" "cz Size E Extn t Time\n" "1MISC\n" "9! ^] Shell ;K :K xK Execute plugin K\n" "cC Execute entry R ^V Pick plugin\n" "cU Manage session = Launch app\n" "cc SSHFS mount u Unmount\n" "9] ^P Prompt/run cmd L Lock\n"}; fd = create_tmp_file(); if (fd == -1) return; fp = fdopen(fd, "w"); if (!fp) { close(fd); return; } start = end = helpstr; while (*end) { if (*end == '\n') { fprintf(fp, "%*c%.*s", xchartohex(*start), ' ', (int)(end - start), start + 1); start = end + 1; } ++end; } fprintf(fp, "\nVOLUME: %s of ", coolsize(get_fs_info(path, FREE))); fprintf(fp, "%s free\n\n", coolsize(get_fs_info(path, CAPACITY))); if (bookmark[0].val) { fprintf(fp, "BOOKMARKS\n"); printkv(bookmark, fp, BM_MAX); fprintf(fp, "\n"); } if (plug[0].val) { fprintf(fp, "PLUGIN KEYS\n"); printkv(plug, fp, PLUGIN_MAX); fprintf(fp, "\n"); } for (i = NNN_OPENER; i <= NNN_TRASH; ++i) { start = getenv(env_cfg[i]); if (start) fprintf(fp, "%s: %s\n", env_cfg[i], start); } if (g_selpath) fprintf(fp, "SELECTION FILE: %s\n", g_selpath); fprintf(fp, "\nv%s\n%s\n", VERSION, GENERAL_INFO); fclose(fp); close(fd); spawn(pager, g_tmpfpath, NULL, NULL, F_CLI); unlink(g_tmpfpath); } static bool plctrl_init(void) { snprintf(g_buf, CMD_LEN_MAX, "nnn-pipe.%d", getpid()); /* g_tmpfpath is used to generate tmp file names */ g_tmpfpath[g_tmpfplen - 1] = '\0'; mkpath(g_tmpfpath, g_buf, g_pipepath); unlink(g_pipepath); if (mkfifo(g_pipepath, 0600) != 0) return _FAILURE; setenv(env_cfg[NNN_PIPE], g_pipepath, TRUE); return _SUCCESS; } static bool run_selected_plugin(char **path, const char *file, char *newpath, char *runfile, char **lastname, char **lastdir) { int fd; size_t len; if (!g_plinit) { plctrl_init(); g_plinit = TRUE; } fd = open(g_pipepath, O_RDONLY | O_NONBLOCK); if (fd == -1) return FALSE; /* Generate absolute path to plugin */ mkpath(plugindir, file, newpath); if (runfile && runfile[0]) { xstrlcpy(*lastname, runfile, NAME_MAX); spawn(newpath, *lastname, *path, *path, F_NORMAL); } else spawn(newpath, NULL, *path, *path, F_NORMAL); len = read(fd, g_buf, PATH_MAX); g_buf[len] = '\0'; close(fd); if (len > 1) { int ctx = g_buf[0] - '0'; if (ctx == 0 || ctx == cfg.curctx + 1) { xstrlcpy(*lastdir, *path, PATH_MAX); xstrlcpy(*path, g_buf + 1, PATH_MAX); } else if (ctx >= 1 && ctx <= CTX_MAX) { int r = ctx - 1; g_ctx[r].c_cfg.ctxactive = 0; savecurctx(&cfg, g_buf + 1, dents[cur].name, r); *path = g_ctx[r].c_path; *lastdir = g_ctx[r].c_last; *lastname = g_ctx[r].c_name; } } return TRUE; } static int sum_bsizes(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf) { (void) fpath; (void) ftwbuf; if (sb->st_blocks && (typeflag == FTW_F || typeflag == FTW_D)) ent_blocks += sb->st_blocks; ++num_files; return 0; } static int sum_sizes(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf) { (void) fpath; (void) ftwbuf; if (sb->st_size && (typeflag == FTW_F || typeflag == FTW_D)) ent_blocks += sb->st_size; ++num_files; return 0; } static void dentfree(void) { free(pnamebuf); free(dents); } static int dentfill(char *path, struct entry **dents) { static uint open_max; int n = 0, count, flags = 0; ulong num_saved; struct dirent *dp; char *namep, *pnb, *buf = NULL; struct entry *dentp; size_t off = 0, namebuflen = NAMEBUF_INCR; struct stat sb_path, sb; DIR *dirp = opendir(path); if (!dirp) return 0; int fd = dirfd(dirp); if (cfg.blkorder) { num_files = 0; dir_blocks = 0; buf = (char *)alloca(strlen(path) + NAME_MAX + 2); if (fstatat(fd, path, &sb_path, 0) == -1) { closedir(dirp); printwarn(NULL); return 0; } /* Increase current open file descriptor limit */ if (!open_max) open_max = max_openfds(); } #if _POSIX_C_SOURCE >= 200112L posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL); #endif dp = readdir(dirp); if (!dp) goto exit; #ifdef __sun if (cfg.blkorder) { /* no d_type */ #else if (cfg.blkorder || dp->d_type == DT_UNKNOWN) { #endif /* * Optimization added for filesystems which support dirent.d_type * see readdir(3) * Known drawbacks: * - the symlink size is set to 0 * - the modification time of the symlink is set to that of the target file */ flags = AT_SYMLINK_NOFOLLOW; } do { namep = dp->d_name; /* Skip self and parent */ if ((namep[0] == '.' && (namep[1] == '\0' || (namep[1] == '.' && namep[2] == '\0')))) continue; if (!cfg.showhidden && namep[0] == '.') { if (!cfg.blkorder) continue; if (fstatat(fd, namep, &sb, AT_SYMLINK_NOFOLLOW) == -1) continue; if (S_ISDIR(sb.st_mode)) { if (sb_path.st_dev == sb.st_dev) { ent_blocks = 0; mkpath(path, namep, buf); tolastln(); addstr(xbasename(buf)); addstr(" [^C aborts]\n"); refresh(); if (nftw(buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) < 0) { DPRINTF_S("nftw failed"); dir_blocks += (cfg.apparentsz ? sb.st_size : sb.st_blocks); } else dir_blocks += ent_blocks; if (interrupted) { closedir(dirp); return n; } } } else { dir_blocks += (cfg.apparentsz ? sb.st_size : sb.st_blocks); ++num_files; } continue; } if (fstatat(fd, namep, &sb, flags) == -1) { /* List a symlink with target missing */ if (!flags && errno == ENOENT) { if (fstatat(fd, namep, &sb, AT_SYMLINK_NOFOLLOW) == -1) { DPRINTF_S(namep); DPRINTF_S(strerror(errno)); continue; } } else { DPRINTF_S(namep); DPRINTF_S(strerror(errno)); continue; } } if (n == total_dents) { total_dents += ENTRY_INCR; *dents = xrealloc(*dents, total_dents * sizeof(**dents)); if (!*dents) { free(pnamebuf); closedir(dirp); errexit(); } DPRINTF_P(*dents); } /* If not enough bytes left to copy a file name of length NAME_MAX, re-allocate */ if (namebuflen - off < NAME_MAX + 1) { namebuflen += NAMEBUF_INCR; pnb = pnamebuf; pnamebuf = (char *)xrealloc(pnamebuf, namebuflen); if (!pnamebuf) { free(*dents); closedir(dirp); errexit(); } DPRINTF_P(pnamebuf); /* realloc() may result in memory move, we must re-adjust if that happens */ if (pnb != pnamebuf) { dentp = *dents; dentp->name = pnamebuf; for (count = 1; count < n; ++dentp, ++count) /* Current filename starts at last filename start + length */ (dentp + 1)->name = (char *)((size_t)dentp->name + dentp->nlen); } } dentp = *dents + n; /* Selection file name */ dentp->name = (char *)((size_t)pnamebuf + off); dentp->nlen = xstrlcpy(dentp->name, namep, NAME_MAX + 1); off += dentp->nlen; /* Copy other fields */ dentp->t = cfg.mtime ? sb.st_mtime : sb.st_atime; #ifndef __sun if (!flags && dp->d_type == DT_LNK) { /* Do not add sizes for links */ dentp->mode = (sb.st_mode & ~S_IFMT) | S_IFLNK; dentp->size = 0; } else { dentp->mode = sb.st_mode; dentp->size = sb.st_size; } #else dentp->mode = sb.st_mode; dentp->size = sb.st_size; #endif dentp->flags = 0; if (cfg.blkorder) { if (S_ISDIR(sb.st_mode)) { ent_blocks = 0; num_saved = num_files + 1; mkpath(path, namep, buf); tolastln(); addstr(xbasename(buf)); addstr(" [^C aborts]\n"); refresh(); if (nftw(buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) < 0) { DPRINTF_S("nftw failed"); dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks); } else dentp->blocks = ent_blocks; if (sb_path.st_dev == sb.st_dev) // NOLINT dir_blocks += dentp->blocks; else num_files = num_saved; if (interrupted) { closedir(dirp); return n; } } else { dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks); dir_blocks += dentp->blocks; ++num_files; } } if (flags) { /* Flag if this is a dir or symlink to a dir */ if (S_ISLNK(sb.st_mode)) { sb.st_mode = 0; fstatat(fd, namep, &sb, 0); } if (S_ISDIR(sb.st_mode)) dentp->flags |= DIR_OR_LINK_TO_DIR; #ifndef __sun /* no d_type */ } else if (dp->d_type == DT_DIR || (dp->d_type == DT_LNK && S_ISDIR(sb.st_mode))) { dentp->flags |= DIR_OR_LINK_TO_DIR; #endif } ++n; } while ((dp = readdir(dirp))); exit: /* Should never be null */ if (closedir(dirp) == -1) { dentfree(); errexit(); } return n; } /* * Return the position of the matching entry or 0 otherwise * Note there's no NULL check for fname */ static int dentfind(const char *fname, int n) { int i = 0; for (; i < n; ++i) if (xstrcmp(fname, dents[i].name) == 0) return i; return 0; } static void populate(char *path, char *lastname) { #ifdef DBGMODE struct timespec ts1, ts2; clock_gettime(CLOCK_REALTIME, &ts1); /* Use CLOCK_MONOTONIC on FreeBSD */ #endif ndents = dentfill(path, &dents); if (!ndents) return; qsort(dents, ndents, sizeof(*dents), entrycmp); #ifdef DBGMODE clock_gettime(CLOCK_REALTIME, &ts2); DPRINTF_U(ts2.tv_nsec - ts1.tv_nsec); #endif /* Find cur from history */ /* No NULL check for lastname, always points to an array */ if (!*lastname) move_cursor(0, 0); else move_cursor(dentfind(lastname, ndents), 0); } static void move_cursor(int target, int ignore_scrolloff) { int delta, scrolloff, onscreen = xlines - 4; target = MAX(0, MIN(ndents - 1, target)); delta = target - cur; cur = target; if (!ignore_scrolloff) { scrolloff = MIN(SCROLLOFF, onscreen >> 1); /* * When ignore_scrolloff is 1, the cursor can jump into the scrolloff * margin area, but when ignore_scrolloff is 0, act like a boa * constrictor and squeeze the cursor towards the middle region of the * screen by allowing it to move inward and disallowing it to move * outward (deeper into the scrolloff margin area). */ if (((cur < (curscroll + scrolloff)) && delta < 0) || ((cur > (curscroll + onscreen - scrolloff - 1)) && delta > 0)) curscroll += delta; } curscroll = MIN(curscroll, MIN(cur, ndents - onscreen)); curscroll = MAX(curscroll, MAX(cur - (onscreen - 1), 0)); } static inline void handle_screen_move(enum action sel) { int onscreen; switch (sel) { case SEL_NEXT: if (ndents && (cfg.rollover || (cur != ndents - 1))) move_cursor((cur + 1) % ndents, 0); break; case SEL_PREV: if (ndents && (cfg.rollover || cur)) move_cursor((cur + ndents - 1) % ndents, 0); break; case SEL_PGDN: onscreen = xlines - 4; move_cursor(curscroll + (onscreen - 1), 1); curscroll += onscreen - 1; break; case SEL_CTRL_D: onscreen = xlines - 4; move_cursor(curscroll + (onscreen - 1), 1); curscroll += onscreen >> 1; break; case SEL_PGUP: // fallthrough onscreen = xlines - 4; move_cursor(curscroll, 1); curscroll -= onscreen - 1; break; case SEL_CTRL_U: onscreen = xlines - 4; move_cursor(curscroll, 1); curscroll -= onscreen >> 1; break; case SEL_HOME: move_cursor(0, 1); break; default: /* case SEL_END: */ move_cursor(ndents - 1, 1); break; } } static void redraw(char *path) { xlines = LINES; xcols = COLS; int ncols = (xcols <= PATH_MAX) ? xcols : PATH_MAX; int lastln = xlines - 1, onscreen = xlines - 4; int i, attrs; char buf[24]; char c; char *ptr = path, *base; /* Clear screen */ erase(); /* Enforce scroll/cursor invariants */ move_cursor(cur, 1); /* Fail redraw if < than 10 columns, context info prints 10 chars */ if (ncols < MIN_DISPLAY_COLS) { printmsg(messages[MSG_FEW_COLOUMNS]); return; } DPRINTF_D(cur); DPRINTF_S(path); addch('['); for (i = 0; i < CTX_MAX; ++i) { if (!g_ctx[i].c_cfg.ctxactive) { addch(i + '1'); addch(' '); } else { if (cfg.curctx != i) /* Underline active contexts */ attrs = COLOR_PAIR(i + 1) | A_BOLD | A_UNDERLINE; else /* Print current context in reverse */ attrs = COLOR_PAIR(i + 1) | A_BOLD | A_REVERSE; attron(attrs); addch(i + '1'); attroff(attrs); addch(' '); } } addstr("\b] "); /* 10 chars printed for contexts - "[1 2 3 4] " */ attron(A_UNDERLINE); /* Print path */ i = (int)strlen(path); if ((i + MIN_DISPLAY_COLS) <= ncols) addnstr(path, ncols - MIN_DISPLAY_COLS); else { base = xbasename(path); if ((base - ptr) <= 1) addnstr(path, ncols - MIN_DISPLAY_COLS); else { i = 0; --base; while (ptr < base) { if (*ptr == '/') { i += 2; /* 2 characters added */ if (ncols < i + MIN_DISPLAY_COLS) { base = NULL; /* Can't print more characters */ break; } addch(*ptr); addch(*(++ptr)); } ++ptr; } addnstr(base, ncols - (MIN_DISPLAY_COLS + i)); } } /* Go to first entry */ move(2, 0); attroff(A_UNDERLINE); /* Calculate the number of cols available to print entry name */ if (cfg.showdetail) { /* Fallback to light mode if less than 35 columns */ if (ncols < 36) { cfg.showdetail ^= 1; printptr = &printent; ncols -= 3; /* Preceding space, indicator, newline */ } else ncols -= 35; } else ncols -= 3; /* Preceding space, indicator, newline */ attron(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); cfg.dircolor = 1; /* Print listing */ for (i = curscroll; i < ndents && i < curscroll + onscreen; ++i) printptr(&dents[i], i == cur, ncols); /* Must reset e.g. no files in dir */ if (cfg.dircolor) { attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); cfg.dircolor = 0; } if (ndents) { char sort[] = "\0 "; pEntry pent = &dents[cur]; if (cfg.mtimeorder) sort[0] = cfg.mtime ? 'T' : 'A'; else if (cfg.sizeorder) sort[0] = 'Z'; else if (cfg.extnorder) sort[0] = 'E'; /* Get the file extension for regular files */ if (S_ISREG(pent->mode)) { i = (int)strlen(pent->name); ptr = xmemrchr((uchar *)pent->name, '.', i); if (ptr) attrs = ptr - pent->name; /* attrs used as tmp var */ if (!ptr || (i - attrs) > 5 || (i - attrs) < 2) ptr = "\b"; } else ptr = "\b"; if (cfg.blkorder) { /* du mode */ xstrlcpy(buf, coolsize(dir_blocks << blk_shift), 12); c = cfg.apparentsz ? 'a' : 'd'; mvprintw(lastln, 0, "%d/%d [%d:%s] %cu:%s free:%s files:%lu %lldB %s", cur + 1, ndents, cfg.selmode, (nselected ? xitoa(nselected) : ""), c, buf, coolsize(get_fs_info(path, FREE)), num_files, (ll)pent->blocks << blk_shift, ptr); } else { /* light or detail mode */ /* Show filename as it may be truncated in directory listing */ /* Get the unescaped file name */ base = unescape(pent->name, NAME_MAX, NULL); /* Timestamp */ strftime(buf, sizeof(buf), "%F %R", localtime(&pent->t)); buf[sizeof(buf)-1] = '\0'; mvprintw(lastln, 0, "%d/%d [%d:%s] %s%s %s %s %s [%s]", cur + 1, ndents, cfg.selmode, (nselected ? xitoa(nselected) : ""), sort, buf, get_lsperms(pent->mode), coolsize(pent->size), ptr, base); } } else printmsg("0/0"); } static void browse(char *ipath, const char *session) { char newpath[PATH_MAX] __attribute__ ((aligned)); char mark[PATH_MAX] __attribute__ ((aligned)); char rundir[PATH_MAX] __attribute__ ((aligned)); char runfile[NAME_MAX + 1] __attribute__ ((aligned)); uchar opener_flags = (cfg.cliopener ? F_CLI : (F_NOTRACE | F_NOWAIT)); uint utmp; int r = -1, fd, presel, selstartid = 0, selendid = 0; ino_t inode = 0; enum action sel; bool dir_changed = FALSE, rangesel = FALSE; struct stat sb; char *path, *lastdir, *lastname, *dir, *tmp; MEVENT event; struct timespec mousetimings[2] = {{.tv_sec = 0, .tv_nsec = 0}, {.tv_sec = 0, .tv_nsec = 0} }; bool currentmouse = 1, ctx_changed = FALSE; atexit(dentfree); xlines = LINES; xcols = COLS; /* setup first context */ if (!session || !load_session(session, &path, &lastdir, &lastname, FALSE)) { xstrlcpy(g_ctx[0].c_path, ipath, PATH_MAX); /* current directory */ path = g_ctx[0].c_path; g_ctx[0].c_last[0] = g_ctx[0].c_name[0] = '\0'; lastdir = g_ctx[0].c_last; /* last visited directory */ lastname = g_ctx[0].c_name; /* last visited filename */ g_ctx[0].c_fltr[0] = g_ctx[0].c_fltr[1] = '\0'; g_ctx[0].c_cfg = cfg; /* current configuration */ } newpath[0] = rundir[0] = runfile[0] = mark[0] = '\0'; presel = cfg.filtermode ? FILTER : 0; dents = xrealloc(dents, total_dents * sizeof(struct entry)); if (!dents) errexit(); /* Allocate buffer to hold names */ pnamebuf = (char *)xrealloc(pnamebuf, NAMEBUF_INCR); if (!pnamebuf) errexit(); begin: if (cfg.selmode && lastdir[0] && !ctx_changed) updateselbuf(lastdir, newpath); else if (ctx_changed) ctx_changed = FALSE; #ifdef LINUX_INOTIFY if ((presel == FILTER || dir_changed) && inotify_wd >= 0) { inotify_rm_watch(inotify_fd, inotify_wd); inotify_wd = -1; dir_changed = FALSE; } #elif defined(BSD_KQUEUE) if ((presel == FILTER || dir_changed) && event_fd >= 0) { close(event_fd); event_fd = -1; dir_changed = FALSE; } #endif /* Can fail when permissions change while browsing. * It's assumed that path IS a directory when we are here. */ if (access(path, R_OK) == -1) printwarn(&presel); populate(path, lastname); if (interrupted) { interrupted = FALSE; cfg.apparentsz = 0; cfg.blkorder = 0; blk_shift = BLK_SHIFT_512; presel = CONTROL('L'); } #ifdef LINUX_INOTIFY if (presel != FILTER && inotify_wd == -1) inotify_wd = inotify_add_watch(inotify_fd, path, INOTIFY_MASK); #elif defined(BSD_KQUEUE) if (presel != FILTER && event_fd == -1) { #if defined(O_EVTONLY) event_fd = open(path, O_EVTONLY); #else event_fd = open(path, O_RDONLY); #endif if (event_fd >= 0) EV_SET(&events_to_monitor[0], event_fd, EVFILT_VNODE, EV_ADD | EV_CLEAR, KQUEUE_FFLAGS, 0, path); } #endif while (1) { redraw(path); nochange: /* Exit if parent has exited */ if (getppid() == 1) _exit(0); /* If CWD is deleted or moved or perms changed, find an accessible parent */ if (access(path, F_OK)) { DPRINTF_S("directory inaccessible"); find_accessible_parent(path, newpath, lastname, &presel); setdirwatch(); goto begin; } /* If STDIN is no longer a tty (closed) we should exit */ if (!isatty(STDIN_FILENO) && !cfg.picker) return; sel = nextsel(presel); if (presel) presel = 0; switch (sel) { case SEL_CLICK: if (getmouse(&event) != OK) goto nochange; // fallthrough case SEL_BACK: /* Handle clicking on a context at the top */ if (sel == SEL_CLICK && event.bstate == BUTTON1_PRESSED && event.y == 0) { /* Get context from: "[1 2 3 4]..." */ r = event.x >> 1; /* If clicked after contexts, go to parent */ if (r >= CTX_MAX) sel = SEL_BACK; else if (r >= 0 && r < CTX_MAX && r != cfg.curctx) { savecurctx(&cfg, path, dents[cur].name, r); /* Reset the pointers */ path = g_ctx[r].c_path; lastdir = g_ctx[r].c_last; lastname = g_ctx[r].c_name; setdirwatch(); goto begin; } } if (sel == SEL_BACK) { dir = visit_parent(path, newpath, &presel); if (!dir) goto nochange; /* Save last working directory */ xstrlcpy(lastdir, path, PATH_MAX); /* Save history */ xstrlcpy(lastname, xbasename(path), NAME_MAX + 1); xstrlcpy(path, dir, PATH_MAX); setdirwatch(); goto begin; } #if NCURSES_MOUSE_VERSION > 1 /* Scroll up */ if (event.bstate == BUTTON4_PRESSED && ndents && (cfg.rollover || cur)) { move_cursor((cur + ndents - 1) % ndents, 0); break; } /* Scroll down */ if (event.bstate == BUTTON5_PRESSED && ndents && (cfg.rollover || (cur != ndents - 1))) { move_cursor((cur + 1) % ndents, 0); break; } #endif /* Toggle filter mode on left click on last 2 lines */ if (event.y >= xlines - 2 && event.bstate == BUTTON1_PRESSED) { cfg.filtermode ^= 1; if (cfg.filtermode) { presel = FILTER; goto nochange; } /* Start watching the directory */ dir_changed = TRUE; if (ndents) copycurname(); goto begin; } /* Handle clicking on a file */ if (event.y >= 2 && event.y <= ndents + 1 && event.bstate == BUTTON1_PRESSED) { r = curscroll + (event.y - 2); move_cursor(r, 1); currentmouse ^= 1; clock_gettime( #if defined(CLOCK_MONOTONIC_RAW) CLOCK_MONOTONIC_RAW, #elif defined(CLOCK_MONOTONIC) CLOCK_MONOTONIC, #else CLOCK_REALTIME, #endif &mousetimings[currentmouse]); /*Single click just selects, double click also opens */ if (((_ABSSUB(mousetimings[0].tv_sec, mousetimings[1].tv_sec) << 30) + (mousetimings[0].tv_nsec - mousetimings[1].tv_nsec)) > DOUBLECLICK_INTERVAL_NS) break; mousetimings[currentmouse].tv_sec = 0; } else { if (cfg.filtermode) presel = FILTER; goto nochange; // fallthrough } case SEL_NAV_IN: // fallthrough case SEL_GOIN: /* Cannot descend in empty directories */ if (!ndents) goto begin; mkpath(path, dents[cur].name, newpath); DPRINTF_S(newpath); /* Cannot use stale data in entry, file may be missing by now */ if (stat(newpath, &sb) == -1) { printwarn(&presel); goto nochange; } DPRINTF_U(sb.st_mode); switch (sb.st_mode & S_IFMT) { case S_IFDIR: if (access(newpath, R_OK) == -1) { printwarn(&presel); goto nochange; } /* Save last working directory */ xstrlcpy(lastdir, path, PATH_MAX); xstrlcpy(path, newpath, PATH_MAX); lastname[0] = '\0'; setdirwatch(); goto begin; case S_IFREG: { /* If opened as vim plugin and Enter/^M pressed, pick */ if (cfg.picker && sel == SEL_GOIN) { dents[cur].flags |= FILE_SELECTED; updateselbuf(path, newpath); writesel(pselbuf, selbufpos - 1); return; } /* If open file is disabled on right arrow or `l`, return */ if (cfg.nonavopen && sel == SEL_NAV_IN) continue; /* Handle plugin selection mode */ if (cfg.runplugin) { cfg.runplugin = 0; /* Must be in plugin dir and same context to select plugin */ if ((cfg.runctx != cfg.curctx) || (strcmp(path, plugindir) != 0)) ; /* We are somewhere else, continue as usual */ else { /* Copy path so we can return back to earlier dir */ xstrlcpy(path, rundir, PATH_MAX); rundir[0] = '\0'; if (!run_selected_plugin(&path, dents[cur].name, newpath, runfile, &lastname, &lastdir)) { DPRINTF_S("plugin failed!"); } if (runfile[0]) runfile[0] = '\0'; setdirwatch(); goto begin; } } /* If NNN_USE_EDITOR is set, open text in EDITOR */ if (cfg.useeditor && #ifdef FILE_MIME_OPTS get_output(g_buf, CMD_LEN_MAX, "file", FILE_MIME_OPTS, newpath, FALSE) && !strncmp(g_buf, "text/", 5)) { #else /* no mime option; guess from description instead */ get_output(g_buf, CMD_LEN_MAX, "file", "-b", newpath, FALSE) && strstr(g_buf, "text")) { #endif spawn(editor, newpath, NULL, path, F_CLI); continue; } if (!sb.st_size) { printwait(messages[MSG_EMPTY_FILE], &presel); goto nochange; } /* Invoke desktop opener as last resort */ spawn(opener, newpath, NULL, NULL, opener_flags); continue; } default: printwait(messages[MSG_UNSUPPORTED], &presel); goto nochange; } case SEL_NEXT: // fallthrough case SEL_PREV: // fallthrough case SEL_PGDN: // fallthrough case SEL_CTRL_D: // fallthrough case SEL_PGUP: // fallthrough case SEL_CTRL_U: // fallthrough case SEL_HOME: // fallthrough case SEL_END: handle_screen_move(sel); break; case SEL_CDHOME: // fallthrough case SEL_CDBEGIN: // fallthrough case SEL_CDLAST: // fallthrough case SEL_CDROOT: // fallthrough case SEL_VISIT: switch (sel) { case SEL_CDHOME: dir = home; break; case SEL_CDBEGIN: dir = ipath; break; case SEL_CDLAST: dir = lastdir; break; case SEL_CDROOT: dir = "/"; break; default: /* case SEL_VISIT */ dir = mark; break; } if (dir[0] == '\0') { printwait(messages[MSG_NOT_SET], &presel); goto nochange; } if (!xdiraccess(dir)) { presel = MSGWAIT; goto nochange; } if (strcmp(path, dir) == 0) goto nochange; /* SEL_CDLAST: dir pointing to lastdir */ xstrlcpy(newpath, dir, PATH_MAX); /* Save last working directory */ xstrlcpy(lastdir, path, PATH_MAX); xstrlcpy(path, newpath, PATH_MAX); lastname[0] = '\0'; DPRINTF_S(path); setdirwatch(); goto begin; case SEL_LEADER: // fallthrough case SEL_CYCLE: // fallthrough case SEL_CYCLER: // fallthrough case SEL_FIRST: // fallthrough case SEL_CTX1: // fallthrough case SEL_CTX2: // fallthrough case SEL_CTX3: // fallthrough case SEL_CTX4: switch (sel) { case SEL_CYCLE: fd = '\t'; break; case SEL_CYCLER: fd = KEY_BTAB; break; case SEL_FIRST: fd = '\''; break; case SEL_CTX1: // fallthrough case SEL_CTX2: // fallthrough case SEL_CTX3: // fallthrough case SEL_CTX4: fd = sel - SEL_CTX1 + '1'; break; default: fd = get_input(NULL); } switch (fd) { case '~': // fallthrough case '`': // fallthrough case '-': // fallthrough case '@': presel = fd; goto nochange; case '\'': /* jump to first file in the directory */ for (r = 0; r < ndents; ++r) { if (!(dents[r].flags & DIR_OR_LINK_TO_DIR)) { move_cursor((r) % ndents, 0); break; } } if (r != ndents) continue; goto nochange; case '.': cfg.showhidden ^= 1; setdirwatch(); if (ndents) copycurname(); goto begin; case '\t': // fallthrough case KEY_BTAB: /* visit next and previous contexts */ r = cfg.curctx; if (fd == '\t') do r = (r + 1) & ~CTX_MAX; while (!g_ctx[r].c_cfg.ctxactive); else do r = (r + (CTX_MAX - 1)) & (CTX_MAX - 1); while (!g_ctx[r].c_cfg.ctxactive); fd = '1' + r; // fallthrough case '1': // fallthrough case '2': // fallthrough case '3': // fallthrough case '4': r = fd - '1'; /* Save the next context id */ if (cfg.curctx == r) { if (sel != SEL_CYCLE) continue; (r == CTX_MAX - 1) ? (r = 0) : ++r; snprintf(newpath, PATH_MAX, messages[MSG_CREATE_CTX], r + 1); fd = get_input(newpath); if (fd != 'y' && fd != 'Y') continue; } if (cfg.selmode) { updateselbuf(path, newpath); ctx_changed = TRUE; } savecurctx(&cfg, path, dents[cur].name, r); /* Reset the pointers */ path = g_ctx[r].c_path; lastdir = g_ctx[r].c_last; lastname = g_ctx[r].c_name; setdirwatch(); goto begin; } if (!get_kv_val(bookmark, newpath, fd, BM_MAX, TRUE)) { printwait(messages[MSG_INVBM_KEY], &presel); goto nochange; } if (!xdiraccess(newpath)) goto nochange; if (strcmp(path, newpath) == 0) break; lastname[0] = '\0'; /* Save last working directory */ xstrlcpy(lastdir, path, PATH_MAX); /* Save the newly opted dir in path */ xstrlcpy(path, newpath, PATH_MAX); DPRINTF_S(path); setdirwatch(); goto begin; case SEL_PIN: xstrlcpy(mark, path, PATH_MAX); printwait(mark, &presel); goto nochange; case SEL_FLTR: /* Unwatch dir if we are still in a filtered view */ #ifdef LINUX_INOTIFY if (inotify_wd >= 0) { inotify_rm_watch(inotify_fd, inotify_wd); inotify_wd = -1; } #elif defined(BSD_KQUEUE) if (event_fd >= 0) { close(event_fd); event_fd = -1; } #endif presel = filterentries(path); /* Save current */ if (ndents) copycurname(); if (presel == 27) { presel = 0; break; } goto nochange; case SEL_MFLTR: // fallthrough case SEL_TOGGLEDOT: // fallthrough case SEL_DETAIL: // fallthrough case SEL_FSIZE: // fallthrough case SEL_ASIZE: // fallthrough case SEL_BSIZE: // fallthrough case SEL_EXTN: // fallthrough case SEL_MTIME: switch (sel) { case SEL_MFLTR: cfg.filtermode ^= 1; if (cfg.filtermode) { presel = FILTER; goto nochange; } /* Start watching the directory */ dir_changed = TRUE; break; case SEL_TOGGLEDOT: cfg.showhidden ^= 1; setdirwatch(); break; case SEL_DETAIL: cfg.showdetail ^= 1; cfg.showdetail ? (printptr = &printent_long) : (printptr = &printent); cfg.blkorder = 0; continue; case SEL_FSIZE: cfg.sizeorder ^= 1; cfg.mtimeorder = 0; cfg.apparentsz = 0; cfg.blkorder = 0; cfg.extnorder = 0; cfg.selmode = 0; break; case SEL_ASIZE: cfg.apparentsz ^= 1; if (cfg.apparentsz) { nftw_fn = &sum_sizes; cfg.blkorder = 1; blk_shift = 0; } else cfg.blkorder = 0; // fallthrough case SEL_BSIZE: if (sel == SEL_BSIZE) { if (!cfg.apparentsz) cfg.blkorder ^= 1; nftw_fn = &sum_bsizes; cfg.apparentsz = 0; blk_shift = ffs(S_BLKSIZE) - 1; } if (cfg.blkorder) { cfg.showdetail = 1; printptr = &printent_long; } cfg.mtimeorder = 0; cfg.sizeorder = 0; cfg.extnorder = 0; cfg.selmode = 0; break; case SEL_EXTN: cfg.extnorder ^= 1; cfg.sizeorder = 0; cfg.mtimeorder = 0; cfg.apparentsz = 0; cfg.blkorder = 0; cfg.selmode = 0; break; default: /* SEL_MTIME */ cfg.mtimeorder ^= 1; cfg.sizeorder = 0; cfg.apparentsz = 0; cfg.blkorder = 0; cfg.extnorder = 0; cfg.selmode = 0; break; } /* Save current */ if (ndents) copycurname(); goto begin; case SEL_STATS: if (ndents) { mkpath(path, dents[cur].name, newpath); if (lstat(newpath, &sb) == -1 || !show_stats(newpath, &sb)) { printwarn(&presel); goto nochange; } } break; case SEL_ARCHIVELS: // fallthrough case SEL_EXTRACT: // fallthrough case SEL_REDRAW: // fallthrough case SEL_RENAMEMUL: // fallthrough case SEL_HELP: // fallthrough case SEL_RUNEDIT: // fallthrough case SEL_RUNPAGE: // fallthrough case SEL_LOCK: { bool refresh = FALSE; if (ndents) mkpath(path, dents[cur].name, newpath); else if (sel == SEL_ARCHIVELS || sel == SEL_EXTRACT || sel == SEL_RUNEDIT || sel == SEL_RUNPAGE) break; switch (sel) { case SEL_ARCHIVELS: handle_archive(newpath, path, 'l'); refresh = TRUE; break; case SEL_EXTRACT: handle_archive(newpath, path, 'x'); refresh = TRUE; break; case SEL_REDRAW: refresh = TRUE; break; case SEL_RENAMEMUL: endselection(path, newpath); if (!batch_rename(path)) { printwait(messages[MSG_FAILED], &presel); goto nochange; } refresh = TRUE; break; case SEL_HELP: show_help(path); continue; case SEL_RUNEDIT: spawn(editor, dents[cur].name, NULL, path, F_CLI); continue; case SEL_RUNPAGE: spawn(pager, dents[cur].name, NULL, path, F_CLI); continue; default: /* SEL_LOCK */ lock_terminal(); break; } /* In case of successful operation, reload contents */ /* Continue in navigate-as-you-type mode, if enabled */ if (cfg.filtermode && !refresh) break; /* Save current */ if (ndents) copycurname(); /* Repopulate as directory content may have changed */ goto begin; } case SEL_SEL: if (!ndents) goto nochange; startselection(); if (rangesel) rangesel = FALSE; /* Write the path to selection file to avoid flush */ if (!(dents[cur].flags & FILE_SELECTED)) { utmp = selbufpos; selbufpos = lastappendpos; appendfpath(newpath, mkpath(path, dents[cur].name, newpath)); writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */ spawn(copier, NULL, NULL, NULL, F_NOTRACE); lastappendpos = selbufpos; selbufpos = utmp; } /* Toggle selection status */ dents[cur].flags ^= FILE_SELECTED; dents[cur].flags ? ++nselected : --nselected; /* move cursor to the next entry if this is not the last entry */ if (!cfg.picker && cur != ndents - 1) move_cursor((cur + 1) % ndents, 0); break; case SEL_SELMUL: if (!ndents) goto nochange; startselection(); rangesel ^= TRUE; if (stat(path, &sb) == -1) { printwarn(&presel); goto nochange; } if (rangesel) { /* Range selection started */ inode = sb.st_ino; selstartid = cur; printmsg(messages[MSG_RANGE_SEL_ON]); xdelay(XDELAY_INTERVAL_MS); continue; } #ifndef DIR_LIMITED_SELECTION if (inode != sb.st_ino) { printwait(messages[MSG_DIR_CHANGED], &presel); goto nochange; } #endif if (cur < selstartid) { selendid = selstartid; selstartid = cur; } else selendid = cur; /* Clear selection on repeat on same file */ if (selstartid == selendid) { resetselind(); clearselection(); break; } // fallthrough case SEL_SELALL: if (sel == SEL_SELALL) { if (!ndents) goto nochange; startselection(); if (rangesel) rangesel = FALSE; selstartid = 0; selendid = ndents - 1; } /* Remember current selection buffer position */ utmp = selbufpos; selbufpos = lastappendpos; for (r = selstartid; r <= selendid; ++r) if (!(dents[r].flags & FILE_SELECTED)) { /* Write the path to selection file to avoid flush */ appendfpath(newpath, mkpath(path, dents[r].name, newpath)); dents[r].flags |= FILE_SELECTED; ++nselected; } if (selbufpos != utmp) { writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */ spawn(copier, NULL, NULL, NULL, F_NOTRACE); /* Restore current selection buffer position */ lastappendpos = selbufpos; selbufpos = utmp; } continue; case SEL_SELLIST: if (listselbuf(path, newpath) || listselfile()) { if (cfg.filtermode) presel = FILTER; break; } goto nochange; case SEL_SELEDIT: if (nselected) updateselbuf(path, newpath); if (!editselection()) { printwait(messages[MSG_FAILED], &presel); goto nochange; } break; case SEL_CP: // fallthrough case SEL_MV: // fallthrough case SEL_CPMVAS: // fallthrough case SEL_RMMUL: { endselection(path, newpath); if (!cpmvrm_selection(sel, path, &presel)) goto nochange; if (ndents) copycurname(); goto begin; } case SEL_RM: { if (!ndents) break; mkpath(path, dents[cur].name, newpath); xrm(newpath); /* Don't optimize cur if filtering is on */ if (cur && access(newpath, F_OK) == -1) move_cursor(cur - 1, 0); /* We reduce cur only if it is > 0, so it's at least 0 */ copycurname(); goto begin; } case SEL_ARCHIVE: // fallthrough case SEL_OPENWITH: // fallthrough case SEL_NEW: // fallthrough case SEL_RENAME: { int dup = 'n'; if (!ndents && (sel == SEL_OPENWITH || sel == SEL_RENAME)) break; if (sel != SEL_OPENWITH) endselection(path, newpath); switch (sel) { case SEL_ARCHIVE: r = get_input(messages[MSG_CUR_SEL_OPTS]); if (r == 's') { if (!selsafe()) { presel = MSGWAIT; goto nochange; } tmp = NULL; } else if (!ndents) goto nochange; else tmp = dents[cur].name; tmp = xreadline(tmp, messages[MSG_ARCHIVE_NAME]); break; case SEL_OPENWITH: #ifdef NORL tmp = xreadline(NULL, messages[MSG_OPEN_WITH]); #else presel = 0; tmp = getreadline(messages[MSG_OPEN_WITH], path, ipath, &presel); if (presel == MSGWAIT) goto nochange; #endif break; case SEL_NEW: r = get_input(messages[MSG_NEW_OPTS]); if (r == 'f' || r == 'd') tmp = xreadline(NULL, messages[MSG_REL_PATH]); else if (r == 's' || r == 'h') tmp = xreadline(NULL, messages[MSG_LINK_SUFFIX]); else tmp = NULL; break; default: /* SEL_RENAME */ tmp = xreadline(dents[cur].name, ""); break; } if (!tmp || !*tmp) break; /* Allow only relative, same dir paths */ if (tmp[0] == '/' || ((r != 'f' && r != 'd') && (xstrcmp(xbasename(tmp), tmp) != 0))) { printwait(messages[MSG_NO_TRAVERSAL], &presel); goto nochange; } /* Confirm if app is CLI or GUI */ if (sel == SEL_OPENWITH) { r = get_input(messages[MSG_CLI_MODE]); r = (r == 'c' ? F_CLI : (r == 'g' ? F_NOWAIT | F_NOTRACE | F_MULTI : 0)); if (!r) { cfg.filtermode ? presel = FILTER : clearprompt(); goto nochange; } } switch (sel) { case SEL_ARCHIVE: { char cmd[ARCHIVE_CMD_LEN]; get_archive_cmd(cmd, tmp); (r == 's') ? archive_selection(cmd, tmp, path) : spawn(cmd, tmp, dents[cur].name, path, F_NORMAL | F_MULTI); break; } case SEL_OPENWITH: mkpath(path, dents[cur].name, newpath); spawn(tmp, newpath, NULL, path, r); break; case SEL_RENAME: /* Skip renaming to same name */ if (strcmp(tmp, dents[cur].name) == 0) { tmp = xreadline(dents[cur].name, messages[MSG_COPY_NAME]); if (strcmp(tmp, dents[cur].name) == 0) goto nochange; dup = 'd'; } break; default: break; } /* Complete OPEN, LAUNCH, ARCHIVE operations */ if (sel != SEL_NEW && sel != SEL_RENAME) { /* Continue in navigate-as-you-type mode, if enabled */ if (cfg.filtermode) presel = FILTER; /* Save current */ copycurname(); /* Repopulate as directory content may have changed */ goto begin; } /* Open the descriptor to currently open directory */ #ifdef O_DIRECTORY fd = open(path, O_RDONLY | O_DIRECTORY); #else fd = open(path, O_RDONLY); #endif if (fd == -1) { printwarn(&presel); goto nochange; } /* Check if another file with same name exists */ if (faccessat(fd, tmp, F_OK, AT_SYMLINK_NOFOLLOW) != -1) { if (sel == SEL_RENAME) { /* Overwrite file with same name? */ r = get_input(messages[MSG_OVERWRITE]); if (r != 'y' && r != 'Y') { close(fd); break; } } else { /* Do nothing in case of NEW */ close(fd); printwait(messages[MSG_EXISTS], &presel); goto nochange; } } if (sel == SEL_RENAME) { /* Rename the file */ if (dup == 'd') spawn("cp -rp", dents[cur].name, tmp, path, F_SILENT); else if (renameat(fd, dents[cur].name, fd, tmp) != 0) { close(fd); printwarn(&presel); goto nochange; } } else { /* Check if it's a dir or file */ if (r == 'f') { mkpath(path, tmp, newpath); r = xmktree(newpath, FALSE); } else if (r == 'd') { mkpath(path, tmp, newpath); r = xmktree(newpath, TRUE); } else if (r == 's' || r == 'h') { if (tmp[0] == '@' && tmp[1] == '\0') tmp[0] = '\0'; r = xlink(tmp, path, (ndents ? dents[cur].name : NULL), newpath, &presel, r); close(fd); if (r <= 0) goto nochange; if (cfg.filtermode) presel = FILTER; if (ndents) copycurname(); goto begin; } else { close(fd); break; } /* Check if file creation failed */ if (r == -1) { printwarn(&presel); close(fd); goto nochange; } } close(fd); xstrlcpy(lastname, tmp, NAME_MAX + 1); goto begin; } case SEL_EXEC: // fallthrough case SEL_SHELL: // fallthrough case SEL_PLUGKEY: // fallthrough case SEL_PLUGIN: // fallthrough case SEL_LAUNCH: // fallthrough case SEL_RUNCMD: endselection(path, newpath); switch (sel) { case SEL_EXEC: if (!execute_file(cur, path, newpath, &presel)) goto nochange; break; case SEL_SHELL: setenv(envs[ENV_NCUR], (ndents ? dents[cur].name : ""), 1); spawn(shell, NULL, NULL, path, F_CLI); break; case SEL_PLUGKEY: // fallthrough case SEL_PLUGIN: /* Check if directory is accessible */ if (!xdiraccess(plugindir)) { printwarn(&presel); goto nochange; } if (sel == SEL_PLUGKEY) { r = get_input(NULL); tmp = get_kv_val(plug, NULL, r, PLUGIN_MAX, FALSE); if (!tmp) goto nochange; if (tmp[0] == '_' && tmp[1]) { xstrlcpy(newpath, ++tmp, PATH_MAX); if (is_suffix(newpath, " $nnn")) { tmp = (ndents ? dents[cur].name : NULL); /* Set `\0` to clear ' $nnn' suffix */ newpath[strlen(newpath) - 5] = '\0'; } else tmp = NULL; spawn(newpath, tmp, NULL, path, F_CLI | F_CONFIRM); } else { if (!run_selected_plugin(&path, tmp, newpath, (ndents ? dents[cur].name : NULL), &lastname, &lastdir)) { printwait(messages[MSG_FAILED], &presel); goto nochange; } } if (ndents) copycurname(); } else { cfg.runplugin ^= 1; if (!cfg.runplugin && rundir[0]) { /* * If toggled, and still in the plugin dir, * switch to original directory */ if (strcmp(path, plugindir) == 0) { xstrlcpy(path, rundir, PATH_MAX); xstrlcpy(lastname, runfile, NAME_MAX); rundir[0] = runfile[0] = '\0'; setdirwatch(); goto begin; } break; } xstrlcpy(rundir, path, PATH_MAX); xstrlcpy(path, plugindir, PATH_MAX); if (ndents) xstrlcpy(runfile, dents[cur].name, NAME_MAX); cfg.runctx = cfg.curctx; lastname[0] = '\0'; } setdirwatch(); goto begin; case SEL_LAUNCH: mkpath(plugindir, utils[UTIL_LAUNCH], newpath); if ((getutil(utils[UTIL_FZF]) || getutil(utils[UTIL_FZY])) && access(newpath, X_OK) == 0) { tmp = newpath; r = F_NORMAL; } else { tmp = xreadline(NULL, messages[MSG_APP_NAME]); r = F_NOWAIT | F_NOTRACE | F_MULTI; } if (tmp && *tmp) // NOLINT spawn(tmp, "0", NULL, path, r); if (cfg.filtermode) presel = FILTER; goto nochange; default: /* SEL_RUNCMD */ #ifndef NORL if (cfg.picker) { #endif tmp = xreadline(NULL, "> "); #ifndef NORL } else { presel = 0; tmp = getreadline("> ", path, ipath, &presel); if (presel == MSGWAIT) goto nochange; } #endif if (tmp && *tmp) // NOLINT prompt_run(tmp, (ndents ? dents[cur].name : ""), path); } /* Continue in navigate-as-you-type mode, if enabled */ if (cfg.filtermode) presel = FILTER; /* Save current */ if (ndents) copycurname(); /* Repopulate as directory content may have changed */ goto begin; case SEL_ARCHIVEMNT: if (!ndents || !archive_mount(dents[cur].name, path, newpath, &presel)) goto nochange; // fallthrough case SEL_REMOTE: if (sel == SEL_REMOTE && !remote_mount(newpath, &presel)) goto nochange; lastname[0] = '\0'; /* Save last working directory */ xstrlcpy(lastdir, path, PATH_MAX); /* Switch to mount point */ xstrlcpy(path, newpath, PATH_MAX); setdirwatch(); goto begin; case SEL_UMOUNT: tmp = ndents ? dents[cur].name : NULL; unmount(tmp, newpath, &presel, path); goto nochange; case SEL_SESSIONS: r = get_input(messages[MSG_SSN_OPTS]); if (r == 's') { save_session(FALSE, &presel); goto nochange; } if (r == 'l' || r == 'r') { if (load_session(NULL, &path, &lastdir, &lastname, r == 'r')) { setdirwatch(); goto begin; } presel = MSGWAIT; goto nochange; } break; case SEL_QUITCTX: // fallthrough case SEL_QUITCD: // fallthrough case SEL_QUIT: if (sel == SEL_QUITCTX) { fd = cfg.curctx; /* fd used as tmp var */ for (r = (fd + 1) & ~CTX_MAX; (r != fd) && !g_ctx[r].c_cfg.ctxactive; r = ((r + 1) & ~CTX_MAX)) { }; if (r != fd) { bool selmode = cfg.selmode ? TRUE : FALSE; g_ctx[fd].c_cfg.ctxactive = 0; /* Switch to next active context */ path = g_ctx[r].c_path; lastdir = g_ctx[r].c_last; lastname = g_ctx[r].c_name; /* Switch light/detail mode */ if (cfg.showdetail != g_ctx[r].c_cfg.showdetail) /* Set the reverse */ printptr = cfg.showdetail ? &printent : &printent_long; cfg = g_ctx[r].c_cfg; /* Continue selection mode */ cfg.selmode = selmode; cfg.curctx = r; setdirwatch(); goto begin; } } else { for (r = 0; r < CTX_MAX; ++r) if (r != cfg.curctx && g_ctx[r].c_cfg.ctxactive) { r = get_input(messages[MSG_QUIT_ALL]); break; } if (!(r == CTX_MAX || r == 'y' || r == 'Y')) break; // fallthrough } if (sel == SEL_QUITCD || getenv("NNN_TMPFILE")) { /* In vim picker mode, clear selection and exit */ if (cfg.picker) { /* Picker mode: reset buffer or clear file */ selbufpos = 0; } else if (!write_lastdir(path)) { presel = MSGWAIT; goto nochange; } } return; default: if (xlines != LINES || xcols != COLS) { idle = 0; setdirwatch(); if (ndents) copycurname(); goto begin; } /* Locker */ if (idletimeout && idle == idletimeout) { idle = 0; lock_terminal(); if (ndents) copycurname(); goto begin; } goto nochange; } /* switch (sel) */ } } static void check_key_collision(void) { int key; ulong i = 0; bool bitmap[KEY_MAX] = {FALSE}; for (; i < sizeof(bindings) / sizeof(struct key); ++i) { key = bindings[i].sym; if (bitmap[key]) fprintf(stdout, "key collision! [%s]\n", keyname(key)); else bitmap[key] = TRUE; } } static void usage(void) { fprintf(stdout, "%s: nnn [OPTIONS] [PATH]\n\n" "The missing terminal file manager for X.\n\n" "positional args:\n" " PATH start dir [default: .]\n\n" "optional args:\n" " -a use access time\n" " -b key open bookmark key\n" " -c cli-only opener\n" " -d detail mode\n" " -e name load session by name\n" " -E use EDITOR for undetached edits\n" " -f run filter as cmd on prompt key\n" " -H show hidden files\n" " -i nav-as-you-type mode\n" " -K detect key collision\n" " -n version sort\n" " -o open files on Enter\n" " -p file selection file [stdout if '-']\n" " -r use advcpmv patched cp, mv\n" " -R disable rollover at edges\n" " -s string filters [default: regex]\n" " -S du mode\n" " -t disable dir auto-select\n" " -v show version\n" " -h show help\n\n" "v%s\n%s\n", __func__, VERSION, GENERAL_INFO); } static bool setup_config(void) { size_t r, len; char *xdgcfg = getenv("XDG_CONFIG_HOME"); bool xdg = FALSE; /* Set up configuration file paths */ if (xdgcfg && xdgcfg[0]) { DPRINTF_S(xdgcfg); if (xdgcfg[0] == '~') { r = xstrlcpy(g_buf, home, PATH_MAX); xstrlcpy(g_buf + r - 1, xdgcfg + 1, PATH_MAX); xdgcfg = g_buf; DPRINTF_S(xdgcfg); } if (!xdiraccess(xdgcfg)) { xerror(); return FALSE; } len = strlen(xdgcfg) + 1 + 13; /* add length of "/nnn/sessions" */ xdg = TRUE; } if (!xdg) len = strlen(home) + 1 + 21; /* add length of "/.config/nnn/sessions" */ cfgdir = (char *)malloc(len); plugindir = (char *)malloc(len); sessiondir = (char *)malloc(len); if (!cfgdir || !plugindir || !sessiondir) { xerror(); return FALSE; } if (xdg) { xstrlcpy(cfgdir, xdgcfg, len); r = len - 13; /* subtract length of "/nnn/sessions" */ } else { r = xstrlcpy(cfgdir, home, len); /* Create ~/.config */ xstrlcpy(cfgdir + r - 1, "/.config", len - r); DPRINTF_S(cfgdir); r += 8; /* length of "/.config" */ } /* Create ~/.config/nnn */ xstrlcpy(cfgdir + r - 1, "/nnn", len - r); DPRINTF_S(cfgdir); /* Create ~/.config/nnn/plugins */ xstrlcpy(cfgdir + r + 4 - 1, "/plugins", 9); /* subtract length of "/nnn" (4) */ DPRINTF_S(cfgdir); xstrlcpy(plugindir, cfgdir, len); DPRINTF_S(plugindir); if (!xmktree(cfgdir, TRUE)) { xerror(); return FALSE; } /* Create ~/.config/nnn/sessions */ xstrlcpy(cfgdir + r + 4 - 1, "/sessions", 10); /* subtract length of "/nnn" (4) */ DPRINTF_S(cfgdir); xstrlcpy(sessiondir, cfgdir, len); DPRINTF_S(sessiondir); if (!xmktree(cfgdir, TRUE)) { xerror(); return FALSE; } /* Reset to config path */ cfgdir[r + 3] = '\0'; DPRINTF_S(cfgdir); /* Set selection file path */ if (!cfg.picker) { /* Length of "/.config/nnn/.selection" */ g_selpath = (char *)malloc(len + 3); r = xstrlcpy(g_selpath, cfgdir, len + 3); xstrlcpy(g_selpath + r - 1, "/.selection", 12); DPRINTF_S(g_selpath); } return TRUE; } static bool set_tmp_path(void) { char *path; if (xdiraccess("/tmp")) g_tmpfplen = (uchar)xstrlcpy(g_tmpfpath, "/tmp", TMP_LEN_MAX); else { path = getenv("TMPDIR"); if (path) g_tmpfplen = (uchar)xstrlcpy(g_tmpfpath, path, TMP_LEN_MAX); else { fprintf(stderr, "set TMPDIR\n"); return FALSE; } } return TRUE; } static void cleanup(void) { free(g_selpath); free(plugindir); free(sessiondir); free(cfgdir); free(initpath); free(bmstr); free(pluginstr); unlink(g_pipepath); #ifdef DBGMODE disabledbg(); #endif } int main(int argc, char *argv[]) { mmask_t mask; char *arg = NULL; char *session = NULL; int opt; #ifdef __linux__ bool progress = FALSE; #endif while ((opt = getopt(argc, argv, "HSKiab:cde:Efnop:rRstvh")) != -1) { switch (opt) { case 'S': cfg.blkorder = 1; nftw_fn = sum_bsizes; blk_shift = ffs(S_BLKSIZE) - 1; // fallthrough case 'd': cfg.showdetail = 1; printptr = &printent_long; break; case 'i': cfg.filtermode = 1; break; case 'a': cfg.mtime = 0; break; case 'b': arg = optarg; break; case 'c': cfg.cliopener = 1; break; case 'e': session = optarg; break; case 'E': cfg.waitedit = 1; break; case 'f': cfg.filtercmd = 1; break; case 'H': cfg.showhidden = 1; break; case 'n': cmpfn = &xstrverscasecmp; break; case 'o': cfg.nonavopen = 1; break; case 'p': cfg.picker = 1; if (optarg[0] == '-' && optarg[1] == '\0') cfg.pickraw = 1; else { int fd = open(optarg, O_WRONLY | O_CREAT, 0600); if (fd == -1) { xerror(); return _FAILURE; } close(fd); g_selpath = realpath(optarg, NULL); unlink(g_selpath); } break; case 'r': #ifdef __linux__ progress = TRUE; #endif break; case 'R': cfg.rollover = 0; break; case 's': cfg.filter_re = 0; filterfn = &visible_str; break; case 't': cfg.autoselect = 0; break; case 'K': check_key_collision(); return _SUCCESS; case 'v': fprintf(stdout, "%s\n", VERSION); return _SUCCESS; case 'h': usage(); return _SUCCESS; default: usage(); return _FAILURE; } } /* Confirm we are in a terminal */ if (!cfg.picker && !(isatty(STDIN_FILENO) && isatty(STDOUT_FILENO))) exit(1); #ifdef DBGMODE enabledbg(); DPRINTF_S(VERSION); #endif atexit(cleanup); home = getenv("HOME"); if (!home) { fprintf(stderr, "set HOME\n"); return _FAILURE; } DPRINTF_S(home); if (!setup_config()) return _FAILURE; /* Get custom opener, if set */ opener = xgetenv(env_cfg[NNN_OPENER], utils[UTIL_OPENER]); DPRINTF_S(opener); /* Parse bookmarks string */ if (!parsekvpair(bookmark, &bmstr, env_cfg[NNN_BMS], BM_MAX)) { fprintf(stderr, "%s\n", env_cfg[NNN_BMS]); return _FAILURE; } /* Parse plugins string */ if (!parsekvpair(plug, &pluginstr, "NNN_PLUG", PLUGIN_MAX)) { fprintf(stderr, "%s\n", "NNN_PLUG"); return _FAILURE; } if (arg) { /* Open a bookmark directly */ if (!arg[1]) /* Bookmarks keys are single char */ initpath = get_kv_val(bookmark, NULL, *arg, BM_MAX, TRUE); if (!initpath) { fprintf(stderr, "%s\n", messages[MSG_INVBM_KEY]); return _FAILURE; } } else if (argc == optind) { /* Start in the current directory */ initpath = getcwd(NULL, PATH_MAX); if (!initpath) initpath = "/"; } else { arg = argv[optind]; if (strlen(arg) > 7 && !strncmp(arg, "file://", 7)) arg = arg + 7; initpath = realpath(arg, NULL); DPRINTF_S(initpath); if (!initpath) { xerror(); return _FAILURE; } /* * If nnn is set as the file manager, applications may try to open * files by invoking nnn. In that case pass the file path to the * desktop opener and exit. */ struct stat sb; if (stat(initpath, &sb) == -1) { xerror(); return _FAILURE; } if (S_ISREG(sb.st_mode)) { spawn(opener, arg, NULL, NULL, F_NOWAIT); return _SUCCESS; } } /* Edit text in EDITOR if opted (and opener is not all-CLI) */ if (!cfg.cliopener && xgetenv_set(env_cfg[NNN_USE_EDITOR])) cfg.useeditor = 1; /* Get VISUAL/EDITOR */ enveditor = xgetenv(envs[ENV_EDITOR], utils[UTIL_VI]); editor = xgetenv(envs[ENV_VISUAL], enveditor); DPRINTF_S(getenv(envs[ENV_VISUAL])); DPRINTF_S(getenv(envs[ENV_EDITOR])); DPRINTF_S(editor); /* Get PAGER */ pager = xgetenv(envs[ENV_PAGER], utils[UTIL_LESS]); DPRINTF_S(pager); /* Get SHELL */ shell = xgetenv(envs[ENV_SHELL], utils[UTIL_SH]); DPRINTF_S(shell); DPRINTF_S(getenv("PWD")); #ifdef LINUX_INOTIFY /* Initialize inotify */ inotify_fd = inotify_init1(IN_NONBLOCK); if (inotify_fd < 0) { xerror(); return _FAILURE; } #elif defined(BSD_KQUEUE) kq = kqueue(); if (kq < 0) { xerror(); return _FAILURE; } #endif /* Set nnn nesting level */ setenv(env_cfg[NNNLVL], xitoa(xatoi(getenv(env_cfg[NNNLVL])) + 1), 1); /* Get locker wait time, if set */ idletimeout = xatoi(getenv(env_cfg[NNN_IDLE_TIMEOUT])); DPRINTF_U(idletimeout); if (xgetenv_set(env_cfg[NNN_TRASH])) cfg.trash = 1; /* Prefix for temporary files */ if (!set_tmp_path()) return _FAILURE; /* Get the clipboard copier, if set */ copier = getenv(env_cfg[NNN_COPIER]); #ifdef __linux__ if (!progress) { cp[5] = cp[4]; cp[2] = cp[4] = ' '; mv[5] = mv[4]; mv[2] = mv[4] = ' '; } #endif /* Ignore/handle certain signals */ struct sigaction act = {.sa_handler = sigint_handler}; if (sigaction(SIGINT, &act, NULL) < 0) { xerror(); return _FAILURE; } signal(SIGQUIT, SIG_IGN); /* Test initial path */ if (!xdiraccess(initpath)) { xerror(); return _FAILURE; } #ifndef NOLOCALE /* Set locale */ setlocale(LC_ALL, ""); #endif #ifndef NORL #if RL_READLINE_VERSION >= 0x0603 /* readline would overwrite the WINCH signal hook */ rl_change_environment = 0; #endif /* Bind TAB to cycling */ rl_variable_bind("completion-ignore-case", "on"); #ifdef __linux__ rl_bind_key('\t', rl_menu_complete); #else rl_bind_key('\t', rl_complete); #endif mkpath(cfgdir, ".history", g_buf); read_history(g_buf); #endif if (!initcurses(&mask)) return _FAILURE; browse(initpath, session); mousemask(mask, NULL); exitcurses(); #ifndef NORL mkpath(cfgdir, ".history", g_buf); write_history(g_buf); #endif if (cfg.pickraw) { if (selbufpos) { opt = seltofile(1, NULL); if (opt != (int)(selbufpos)) xerror(); } } else if (cfg.picker) { if (selbufpos) writesel(pselbuf, selbufpos - 1); } else if (!cfg.picker && g_selpath) unlink(g_selpath); /* Free the selection buffer */ free(pselbuf); #ifdef LINUX_INOTIFY /* Shutdown inotify */ if (inotify_wd >= 0) inotify_rm_watch(inotify_fd, inotify_wd); close(inotify_fd); #elif defined(BSD_KQUEUE) if (event_fd >= 0) close(event_fd); close(kq); #endif return _SUCCESS; }