Remove unused lib/fileutil.c

rpmSyscall() was a hack from times before pretrans and posttrans, code
is dead since long ago..

diff --git a/lib/fileutil.c b/lib/fileutil.c
deleted file mode 100644 (file)
index a98aa7a..0000000
--- a/lib/fileutil.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/**
- * \file lib/fileutil.c
- */
-
-#include "system.h"
-#include <rpmlib.h>
-#include "misc.h"
-#include "debug.h"
-
-static struct {
-    const char *token;
-    int nargs;
-} cmds[] = {
-    { "mkdir",         1 },
-#define        RPMSYSCALL_MKDIR        0
-    { "rmdir",         1 },
-#define        RPMSYSCALL_RMDIR        1
-    { "mv",            -2 },
-#define        RPMSYSCALL_MV           2
-    { "symlink",       2 },
-#define        RPMSYSCALL_SYMLINK      3
-    { "S_ISLNK",       1 }
-#define        RPMSYSCALL_ISLNK        4
-};
-int ncmds = sizeof(cmds)/sizeof(cmds[0]);
-
-int rpmSyscall(const char * cmd, int noexec)
-{
-    const char ** argv = NULL;
-    int argc;
-    struct stat st;
-    int i, j;
-    int rc;
-
-    rc = (noexec)
-       ? poptParseArgvString(cmd, &argc, &argv)
-       : rpmGlob(cmd, &argc, &argv);
-
-    if (rc)
-       goto exit;
-
-    /* Check: argv[0] must be known. */
-    for (i = 0; i < ncmds; i++) {
-       if (!strcmp(cmds[i].token, argv[0]))
-           break;
-    }
-    if (i >= ncmds) {
-       rc = EPERM;
-       goto exit;
-    }
-
-    /* Check: must have exactly (or, if negative, at least) nargs. */
-    if (cmds[i].nargs >= 0 && argc != (cmds[i].nargs+1)) {
-       rc = EPERM;
-       goto exit;
-    } else if (argc < (1-cmds[i].nargs)) {
-       rc = EPERM;
-       goto exit;
-    }
-
-    /* Check: all args (except for 1st arg to symlink) must start with '/'. */
-    for (j = (i == RPMSYSCALL_SYMLINK ? 2 : 1); j < argc; j++) {
-       if (argv[j][0] != '/') {
-           rc = EPERM;
-           goto exit;
-       }
-    }
-
-    /* Check: parse only with 2 or more args, last arg cannot be glob. */
-    if (noexec) {
-       if (argc > 2 && Glob_pattern_p(argv[argc-1], 0)) {
-           rc = 1;
-           goto exit;
-       }
-       rc = 0;
-       goto exit;
-    }
-
-    /* Execute only checks below */
-
-    switch (i) {
-    case RPMSYSCALL_MKDIR:     /* mkdir */
-    {  mode_t mode = 0755;
-       rc = mkdir(argv[1], mode);
-       if (rc < 0) rc = errno;
-       if (stat(argv[1], &st) < 0) {
-           if (rc == 0) rc = errno;
-           goto exit;
-       }
-       if (!S_ISDIR(st.st_mode)) {
-           if (rc == 0) rc = ENOTDIR;
-           goto exit;
-       }
-       rc = 0;
-    }  break;
-    case RPMSYSCALL_RMDIR:     /* rmdir */
-       rc = rmdir(argv[1]);
-       if (rc < 0) rc = errno;
-       break;
-    case RPMSYSCALL_MV:                /* mv */
-    {  dev_t dev;
-       const char * fn, * bn;
-       char * t;
-       size_t bnlen;
-
-       /* Check: if more than 2 args ... */
-       if (argc > 3) {
-           /* ... last arg must be existing directory ... */
-           if (stat(argv[argc-1], &st) < 0) {
-               if (rc == 0) rc = errno;
-               goto exit;
-           }
-           if (!S_ISDIR(st.st_mode)) {
-               if (rc == 0) rc = ENOTDIR;
-               goto exit;
-           }
-           /* ... and other args must all be on the same device. */
-           dev = st.st_dev;
-           bnlen = 0;
-           for (j = 1; j < (argc-1); j++) {
-               if (stat(argv[j], &st) < 0) {
-                   if (rc == 0) rc = errno;
-                   goto exit;
-               }
-               if (dev != st.st_dev) {
-                   if (rc == 0) rc = EXDEV;
-                   goto exit;
-               }
-               bn = strrchr(argv[j], '/');
-               if (bn) {
-                   int k = strlen(bn);
-                   if (k > bnlen) bnlen = k;
-               }
-           }
-           /* Everything looks OK, so do the renames. */
-           fn = t = alloca(strlen(argv[argc-1])+2+bnlen);
-           t = stpcpy(t, argv[argc-1]);
-           if (t[-1] != '/') *t++ = '/';
-           for (j = 1; j < (argc-1); j++) {
-               bn = strrchr(argv[j], '/');
-               (void) stpcpy(t, bn+1);
-               rc = rename(argv[j], fn);
-               if (rc < 0) {
-                   rc = errno;
-                   goto exit;
-               }
-           }
-       } else { /* Otherwise exactly 2 args. */
-           rc = rename(argv[1], argv[2]);
-           if (rc < 0) rc = errno;
-        }
-    }  break;
-    case RPMSYSCALL_SYMLINK:   /* symlink */
-       rc = symlink(argv[1], argv[2]);
-       if (rc < 0) rc = errno;
-       break;
-    case RPMSYSCALL_ISLNK:     /* stat(2) with S_ISLNK */
-       if (stat(argv[1], &st) < 0) {
-           if (rc == 0) rc = errno;
-           goto exit;
-       }
-       if (S_ISLNK(st.st_mode)) {
-           if (rc == 0) rc = EPERM;
-           goto exit;
-       }
-       rc = 0;
-       break;
-    default:
-       rc = EPERM;
-       break;
-    }
-
-exit:
-    argv = _free(argv);
-    return rc;
-}