mirror of
https://github.com/radareorg/radare2.git
synced 2024-11-27 23:20:40 +00:00
520 lines
11 KiB
C
520 lines
11 KiB
C
/* radare - LGPL - Copyright 2013-2021 - pancake */
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#include <r_core.h>
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#include <errno.h>
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#define FMT_NONE 0
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#define FMT_RAW 1
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#define FMT_JSON 2
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static int needs_newline = 0;
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static char *showfile(char *res, const int nth, const char *fpath, const char *name, int printfmt) {
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#if __UNIX__
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struct stat sb;
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#endif
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const char *n = fpath;
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char *nn, *u_rwx = NULL;
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int sz = r_file_size (n);
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int perm, uid = 0, gid = 0;
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int fch = '-';
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if (!strncmp (fpath, "./", 2)) {
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fpath = fpath + 2;
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}
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const bool isdir = r_file_is_directory (n);
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if (isdir) {
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nn = r_str_append (strdup (fpath), "/");
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} else {
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nn = strdup (fpath);
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}
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if (!*nn) {
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free (nn);
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return res;
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}
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perm = isdir? 0755: 0644;
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if (!printfmt) {
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needs_newline = ((nth + 1) % 4)? 1: 0;
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res = r_str_appendf (res, "%18s%s", nn, needs_newline? " ": "\n");
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free (nn);
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return res;
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}
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// TODO: escape non-printable chars in filenames
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// TODO: Implement more real info in ls -l
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// TODO: handle suid
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#if __UNIX__
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if (lstat (n, &sb) != -1) {
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ut32 ifmt = sb.st_mode & S_IFMT;
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uid = sb.st_uid;
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gid = sb.st_gid;
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perm = sb.st_mode & 0777;
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if (!(u_rwx = strdup (r_str_rwx_i (perm >> 6)))) {
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free (nn);
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return res;
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}
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if (sb.st_mode & S_ISUID) {
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u_rwx[2] = (sb.st_mode & S_IXUSR) ? 's' : 'S';
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}
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if (isdir) {
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fch = 'd';
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} else {
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switch (ifmt) {
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case S_IFCHR: fch = 'c'; break;
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case S_IFBLK: fch = 'b'; break;
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case S_IFLNK: fch = 'l'; break;
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case S_IFIFO: fch = 'p'; break;
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#ifndef __wasi__
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#ifdef S_IFSOCK
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case S_IFSOCK: fch = 's'; break;
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#endif
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#endif
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}
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}
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}
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#else
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u_rwx = strdup ("-");
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fch = isdir? 'd': '-';
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#endif
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if (printfmt == 'q') {
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res = r_str_appendf (res, "%s\n", nn);
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} else if (printfmt == 'e') {
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const char *eDIR = "📁";
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const char *eIMG = "🌅";
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const char *eHID = "👀";
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const char *eANY = " ";
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// --
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const char *icon = eANY;
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if (isdir) {
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icon = eDIR;
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#if __UNIX__
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} else if ((sb.st_mode & S_IFMT) == S_IFLNK) {
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const char *eLNK = "📎";
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icon = eLNK;
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} else if (sb.st_mode & S_ISUID) {
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const char *eUID = "🔼";
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icon = eUID;
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#endif
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} else if (r_str_casestr (nn, ".jpg") || r_str_casestr (nn, ".png") || r_str_casestr (nn, ".gif")) {
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icon = eIMG;
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} else if (*nn == '.') {
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icon = eHID;
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}
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res = r_str_appendf (res, "%s %s\n", icon, nn);
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} else if (printfmt == FMT_RAW) {
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res = r_str_appendf (res, "%c%s%s%s 1 %4d:%-4d %-10d %s\n",
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isdir?'d': fch,
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r_str_get_fail (u_rwx, "-"),
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r_str_rwx_i ((perm >> 3) & 7),
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r_str_rwx_i (perm & 7),
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uid, gid, sz, nn);
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} else if (printfmt == FMT_JSON) {
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if (nth > 0) {
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res = r_str_append (res, ",");
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}
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PJ *pj = pj_new ();
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pj_o (pj);
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pj_ks (pj, "name", name);
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pj_kn (pj, "size", sz);
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pj_kn (pj, "uid", uid);
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pj_kn (pj, "gid", gid);
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pj_kn (pj, "perm", perm);
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pj_ks (pj, "perm_root", r_str_rwx_i ((perm >> 6)&7));
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pj_ks (pj, "perm_group", r_str_rwx_i ((perm >> 3)&7));
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pj_ks (pj, "perm_other", r_str_rwx_i (perm & 7));
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pj_kb (pj, "isdir", isdir);
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pj_end (pj);
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char *js = pj_drain (pj);
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res = r_str_append (res, js);
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free (js);
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} else {
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eprintf ("unknown format\n");
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}
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free (nn);
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free (u_rwx);
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return res;
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}
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// TODO: Move into r_util .. r_print maybe? r_cons dep is annoying
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R_API char *r_syscmd_ls(const char *input) {
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char *res = NULL;
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const char *path = ".";
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char *d = NULL;
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char *p = NULL;
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char *homepath = NULL;
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char *pattern = NULL;
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int printfmt = 0;
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RListIter *iter;
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char *name;
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char *dir;
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int off;
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if (!input) {
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input = "";
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path = ".";
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}
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if (*input == 'q') {
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printfmt = 'q';
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input++;
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}
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if (r_sandbox_enable (0)) {
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eprintf ("Sandbox forbids listing directories\n");
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return NULL;
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}
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if (*input && input[0] == ' ') {
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input++;
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}
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if (*input) {
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if (!strncmp (input, "-h", 2) || *input == '?') {
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eprintf ("Usage: ls ([-e,-l,-j,-q]) ([path]) # long, json, quiet\n");
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return NULL;
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}
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if ((!strncmp (input, "-e", 2))) {
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printfmt = 'e';
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path = r_str_trim_head_ro (path + 1);
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} else if ((!strncmp (input, "-q", 2))) {
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printfmt = 'q';
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path = r_str_trim_head_ro (path + 1);
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} else if ((!strncmp (input, "-l", 2)) || (!strncmp (input, "-j", 2))) {
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// mode = 'l';
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if (input[2]) {
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printfmt = (input[2] == 'j') ? FMT_JSON : FMT_RAW;
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path = r_str_trim_head_ro (input + 2);
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if (!*path) {
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path = ".";
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}
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} else {
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printfmt = FMT_RAW;
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}
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} else {
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path = input;
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}
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}
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if (!path || !*path) {
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path = ".";
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} else if (!strncmp (path, "~/", 2)) {
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homepath = r_str_home (path + 2);
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if (homepath) {
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path = (const char *)homepath;
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}
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} else if (*path == '$') {
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if (!strncmp (path + 1, "home", 4) || !strncmp (path + 1, "HOME", 4)) {
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homepath = r_str_home ((strlen (path) > 5)? path + 6: NULL);
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if (homepath) {
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path = (const char *)homepath;
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}
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}
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}
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if (!r_file_is_directory (path)) {
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p = strrchr (path, '/');
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if (p) {
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off = p - path;
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d = (char *) calloc (1, off + 1);
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if (!d) {
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free (homepath);
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return NULL;
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}
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memcpy (d, path, off);
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path = (const char *)d;
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pattern = strdup (p + 1);
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} else {
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pattern = strdup (path);
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path = ".";
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}
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} else {
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pattern = strdup ("*");
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}
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if (r_file_is_regular (path)) {
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res = showfile (res, 0, path, path, printfmt);
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free (homepath);
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free (pattern);
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free (d);
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return res;
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}
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RList *files = r_sys_dir (path);
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r_list_sort (files, (RListComparator)strcmp);
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if (path[strlen (path) - 1] == '/') {
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dir = strdup (path);
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} else {
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dir = r_str_append (strdup (path), "/");
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}
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int nth = 0;
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if (printfmt == FMT_JSON) {
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res = strdup ("[");
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}
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needs_newline = 0;
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r_list_foreach (files, iter, name) {
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char *n = r_str_append (strdup (dir), name);
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if (!n) {
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break;
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}
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if (r_str_glob (name, pattern)) {
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if (*n) {
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res = showfile (res, nth, n, name, printfmt);
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}
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nth++;
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}
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free (n);
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}
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if (printfmt == FMT_JSON) {
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res = r_str_append (res, "]");
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}
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if (needs_newline) {
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res = r_str_append (res, "\n");
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}
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free (dir);
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free (d);
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free (homepath);
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free (pattern);
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r_list_free (files);
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return res;
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}
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static int cmpstr (const void *_a, const void *_b) {
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const char *a = _a, *b = _b;
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return (int)strcmp (a, b);
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}
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R_API char *r_syscmd_sort(const char *file) {
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const char *p = NULL;
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RList *list = NULL;
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if (file) {
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if ((p = strchr (file, ' '))) {
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p = p + 1;
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} else {
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p = file;
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}
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}
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if (p && *p) {
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char *filename = strdup (p);
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r_str_trim (filename);
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char *data = r_file_slurp (filename, NULL);
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if (!data) {
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eprintf ("No such file or directory\n");
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} else {
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list = r_str_split_list (data, "\n", 0);
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r_list_sort (list, cmpstr);
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data = r_list_to_str (list, '\n');
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r_list_free (list);
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}
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free (filename);
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return data;
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} else {
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eprintf ("Usage: sort [file]\n");
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}
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return NULL;
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}
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R_API char *r_syscmd_head(const char *file, int count) {
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const char *p = NULL;
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if (file) {
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if ((p = strchr (file, ' '))) {
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p = p + 1;
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} else {
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p = file;
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}
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}
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if (p && *p) {
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char *filename = strdup (p);
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r_str_trim (filename);
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char *data = r_file_slurp_lines (filename, 1, count);
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if (!data) {
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eprintf ("No such file or directory\n");
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}
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free (filename);
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return data;
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} else {
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eprintf ("Usage: head 7 [file]\n");
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}
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return NULL;
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}
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R_API char *r_syscmd_tail(const char *file, int count) {
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const char *p = NULL;
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if (file) {
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if ((p = strchr (file, ' '))) {
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p = p + 1;
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} else {
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p = file;
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}
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}
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if (p && *p) {
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char *filename = strdup (p);
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r_str_trim (filename);
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char *data = r_file_slurp_lines_from_bottom (filename, count);
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if (!data) {
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eprintf ("No such file or directory\n");
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}
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free (filename);
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return data;
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} else {
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eprintf ("Usage: tail 7 [file]\n");
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}
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return NULL;
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}
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R_API char *r_syscmd_uniq(const char *file) {
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const char *p = NULL;
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RList *list = NULL;
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if (file) {
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if ((p = strchr (file, ' '))) {
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p = p + 1;
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} else {
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p = file;
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}
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}
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if (p && *p) {
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char *filename = strdup (p);
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r_str_trim (filename);
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char *data = r_file_slurp (filename, NULL);
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if (!data) {
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eprintf ("No such file or directory\n");
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} else {
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list = r_str_split_list (data, "\n", 0);
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RList *uniq_list = r_list_uniq (list, cmpstr);
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data = r_list_to_str (uniq_list, '\n');
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r_list_free (uniq_list);
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r_list_free (list);
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}
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free (filename);
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return data;
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} else {
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eprintf ("Usage: uniq [file]\n");
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}
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return NULL;
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}
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R_API char *r_syscmd_join(const char *file1, const char *file2) {
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const char *p1 = NULL, *p2 = NULL;
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RList *list1, *list2, *list = r_list_newf (NULL);
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if (!list) {
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return NULL;
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}
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if (file1) {
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if ((p1 = strchr (file1, ' '))) {
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p1 = p1 + 1;
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} else {
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p1 = file1;
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}
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}
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if (file2) {
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if ((p2 = strchr (file2, ' '))) {
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p2 = p2 + 1;
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} else {
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p2 = file2;
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}
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}
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if (p1 && *p1 && p2 && *p2 ) {
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char *filename1 = strdup (p1);
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char *filename2 = strdup (p2);
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r_str_trim (filename1);
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r_str_trim (filename2);
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char *data1 = r_file_slurp (filename1, NULL);
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char *data2 = r_file_slurp (filename2, NULL);
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char *data = NULL;
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RListIter *iter1, *iter2;
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if (!data1 && !data2) {
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eprintf ("No such files or directory\n");
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} else {
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list1 = r_str_split_list (data1, "\n", 0);
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list2 = r_str_split_list (data2, "\n", 0);
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char *str1, *str2;
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r_list_foreach (list1, iter1, str1) {
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char *field = strdup (str1); // extract comman field
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char *end = strchr (field, ' ');
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if (end) {
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*end = '\0';
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} else {
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free (field);
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continue;
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}
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r_list_foreach (list2, iter2, str2) {
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if (r_str_startswith (str2, field)) {
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char *out = r_str_new (field);
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char *first = strchr (str1, ' ');
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char *second = strchr (str2, ' ');
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r_str_append (out, r_str_get_fail (first, " "));
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r_str_append (out, r_str_get_fail (second, " "));
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r_list_append (list, out);
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}
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}
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free (field);
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}
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data = r_list_to_str (list, '\n');
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r_list_free (list);
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r_list_free (list1);
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r_list_free (list2);
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}
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free (filename1);
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free (filename2);
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return data;
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} else {
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eprintf ("Usage: join file1 file2\n");
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}
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return NULL;
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}
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R_API char *r_syscmd_cat(const char *file) {
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const char *p = NULL;
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if (file) {
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if ((p = strchr (file, ' '))) {
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p = p + 1;
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} else {
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p = file;
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}
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}
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if (p && *p) {
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char *filename = strdup (p);
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r_str_trim (filename);
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char *data = r_file_slurp (filename, NULL);
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if (!data) {
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eprintf ("No such file or directory\n");
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}
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free (filename);
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return data;
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} else {
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eprintf ("Usage: cat [file]\n");
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}
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return NULL;
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}
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R_API char *r_syscmd_mkdir(const char *dir) {
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const char *suffix = r_str_trim_head_ro (strchr (dir, ' '));
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if (!suffix || !strncmp (suffix, "-p", 3)) {
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return r_str_dup (NULL, "Usage: mkdir [-p] [directory]\n");
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}
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int ret;
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char *dirname = (!strncmp (suffix, "-p ", 3))
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? strdup (suffix + 3): strdup (suffix);
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r_str_trim (dirname);
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ret = r_sys_mkdirp (dirname);
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if (!ret) {
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if (r_sys_mkdir_failed ()) {
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char *res = r_str_newf ("Cannot create \"%s\"\n", dirname);
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free (dirname);
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return res;
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}
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}
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free (dirname);
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return NULL;
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}
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R_API bool r_syscmd_mv(const char *input) {
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if (strlen (input) < 3) {
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eprintf ("Usage: mv src dst\n");
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return false;
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}
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char *inp = strdup (input + 2);
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char *arg = strchr (inp, ' ');
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bool rc = false;
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if (arg) {
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*arg++ = 0;
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if (!(rc = r_file_move (inp, arg))) {
|
|
eprintf ("Cannot move file\n");
|
|
}
|
|
} else {
|
|
eprintf ("Usage: mv src dst\n");
|
|
}
|
|
free (inp);
|
|
return rc;
|
|
}
|