X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=daemon%2Fdir.c;h=bc54d518a1fb855c7c5c748c6c4582a563f05d18;hp=ec072ddbcd84f6e708eac2821873bce8dd864242;hb=b01ef8eae1acc5105e623a25c8988bcc3326ea1c;hpb=6bda071b5cd8393b37653687027c4ae6c6cf3804 diff --git a/daemon/dir.c b/daemon/dir.c index ec072dd..bc54d51 100644 --- a/daemon/dir.c +++ b/daemon/dir.c @@ -30,19 +30,16 @@ #include "actions.h" int -do_rmdir (char *path) +do_rmdir (const char *path) { int r; - NEED_ROOT (return -1); - ABS_PATH (path, return -1); - CHROOT_IN; r = rmdir (path); CHROOT_OUT; if (r == -1) { - reply_with_perror ("rmdir: %s", path); + reply_with_perror ("%s", path); return -1; } @@ -54,16 +51,13 @@ do_rmdir (char *path) * do stupid stuff, who are we to try to stop them? */ int -do_rm_rf (char *path) +do_rm_rf (const char *path) { int r; char *buf, *err; - NEED_ROOT (return -1); - ABS_PATH (path, return -1); - - if (strcmp (path, "/") == 0) { - reply_with_error ("rm -rf: cannot remove root directory"); + if (STREQ (path, "/")) { + reply_with_error ("cannot remove root directory"); return -1; } @@ -78,7 +72,7 @@ do_rm_rf (char *path) /* rm -rf is never supposed to fail. I/O errors perhaps? */ if (r == -1) { - reply_with_error ("rm -rf: %s: %s", path, err); + reply_with_error ("%s: %s", path, err); free (err); return -1; } @@ -89,25 +83,49 @@ do_rm_rf (char *path) } int -do_mkdir (char *path) +do_mkdir (const char *path) { int r; - NEED_ROOT (return -1); - ABS_PATH (path, return -1); - CHROOT_IN; r = mkdir (path, 0777); CHROOT_OUT; if (r == -1) { - reply_with_perror ("mkdir: %s", path); + reply_with_perror ("%s", path); + return -1; + } + + return 0; +} + +int +do_mkdir_mode (const char *path, int mode) +{ + int r; + + if (mode < 0) { + reply_with_error ("%s: mode is negative", path); + return -1; + } + + CHROOT_IN; + r = mkdir (path, mode); + CHROOT_OUT; + + if (r == -1) { + reply_with_perror ("%s", path); return -1; } return 0; } +/* Returns: + * 0 if everything was OK, + * -1 for a general error (sets errno), + * -2 if an existing path element was not a directory. + */ static int recursive_mkdir (const char *path) { @@ -122,10 +140,7 @@ recursive_mkdir (const char *path) if (errno == EEXIST) { /* Something exists here, might not be a dir. */ r = lstat (path, &buf); if (r == -1) return -1; - if (!S_ISDIR (buf.st_mode)) { - errno = ENOTDIR; - return -1; - } + if (!S_ISDIR (buf.st_mode)) return -2; return 0; /* OK - directory exists here already. */ } @@ -145,7 +160,7 @@ recursive_mkdir (const char *path) r = recursive_mkdir (ppath); free (ppath); - if (r == -1) return -1; + if (r != 0) return r; goto again; } else /* Failed for some other reason, so return error. */ @@ -155,76 +170,43 @@ recursive_mkdir (const char *path) } int -do_mkdir_p (char *path) +do_mkdir_p (const char *path) { int r; - NEED_ROOT (return -1); - ABS_PATH (path, return -1); - CHROOT_IN; r = recursive_mkdir (path); CHROOT_OUT; if (r == -1) { - reply_with_perror ("mkdir -p: %s", path); + reply_with_perror ("%s", path); return -1; } - - return 0; -} - -int -do_is_dir (char *path) -{ - int r; - struct stat buf; - - NEED_ROOT (return -1); - ABS_PATH (path, return -1); - - CHROOT_IN; - r = lstat (path, &buf); - CHROOT_OUT; - - if (r == -1) { - if (errno != ENOENT && errno != ENOTDIR) { - reply_with_perror ("stat: %s", path); - return -1; - } - else - return 0; /* Not a directory. */ + if (r == -2) { + reply_with_error ("%s: a path element was not a directory", path); + return -1; } - return S_ISDIR (buf.st_mode); + return 0; } char * -do_mkdtemp (char *template) +do_mkdtemp (const char *template) { - char *r; - - NEED_ROOT (return NULL); - ABS_PATH (template, return NULL); + char *writable = strdup (template); + if (writable == NULL) { + reply_with_perror ("strdup"); + return NULL; + } CHROOT_IN; - r = mkdtemp (template); + char *r = mkdtemp (writable); CHROOT_OUT; if (r == NULL) { - reply_with_perror ("mkdtemp: %s", template); - return NULL; + reply_with_perror ("%s", template); + free (writable); } - /* The caller will free template AND try to free the return value, - * so we must make a copy here. - */ - if (r == template) { - r = strdup (template); - if (r == NULL) { - reply_with_perror ("strdup"); - return NULL; - } - } return r; }