* Copyright (C) 1996-2000 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
* Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
- * Copyright (C) 2003-2007 Wayne Davison
+ * Copyright (C) 2003-2008 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
extern unsigned int module_dirlen;
extern mode_t orig_umask;
extern char *partial_dir;
-extern struct filter_list_struct server_filter_list;
+extern struct filter_list_struct daemon_filter_list;
int sanitize_paths = 0;
return fcntl(fd,F_SETLK,&lock) == 0;
}
-static int filter_server_path(char *arg)
+static int filter_daemon_path(char *arg)
{
- char *s;
-
- if (server_filter_list.head) {
+ if (daemon_filter_list.head) {
+ char *s;
for (s = arg; (s = strchr(s, '/')) != NULL; ) {
*s = '\0';
- if (check_filter(&server_filter_list, arg, 1) < 0) {
+ if (check_filter(&daemon_filter_list, arg, 1) < 0) {
/* We must leave arg truncated! */
return 1;
}
char **argv = *argv_ptr;
int argc = *argc_ptr;
int maxargs = *maxargs_ptr;
+ int count, have_glob_results;
+
#if !defined HAVE_GLOB || !defined HAVE_GLOB_H
if (argc == maxargs) {
maxargs += MAX_ARGS;
if (!*s)
s = ".";
s = argv[argc++] = strdup(s);
- filter_server_path(s);
+ filter_daemon_path(s);
#else
glob_t globbuf;
s = ".";
if (sanitize_paths)
- s = sanitize_path(NULL, s, "", 0);
- else
+ s = sanitize_path(NULL, s, "", 0, SP_KEEP_DOT_DIRS);
+ else {
s = strdup(s);
- if (!s)
- out_of_memory("glob_expand");
+ if (!s)
+ out_of_memory("glob_expand");
+ clean_fname(s, CFN_KEEP_DOT_DIRS
+ | CFN_KEEP_TRAILING_SLASH
+ | CFN_COLLAPSE_DOT_DOT_DIRS);
+ }
memset(&globbuf, 0, sizeof globbuf);
- if (!filter_server_path(s))
- glob(s, 0, NULL, &globbuf);
- if (MAX((int)globbuf.gl_pathc, 1) > maxargs - argc) {
- maxargs += globbuf.gl_pathc + MAX_ARGS;
+ glob(s, 0, NULL, &globbuf);
+ /* Note: we check the first match against the filter list,
+ * just in case the user specified a wildcard in the path. */
+ if ((count = globbuf.gl_pathc) > 0) {
+ if (filter_daemon_path(globbuf.gl_pathv[0])) {
+ int slashes = 0;
+ char *cp;
+ /* Truncate original arg at glob's truncation point. */
+ for (cp = globbuf.gl_pathv[0]; *cp; cp++) {
+ if (*cp == '/')
+ slashes++;
+ }
+ for (cp = s; *cp; cp++) {
+ if (*cp == '/') {
+ if (slashes-- <= 0) {
+ *cp = '\0';
+ break;
+ }
+ }
+ }
+ have_glob_results = 0;
+ count = 1;
+ } else
+ have_glob_results = 1;
+ } else {
+ /* This truncates "s" at a filtered element, if present. */
+ filter_daemon_path(s);
+ have_glob_results = 0;
+ count = 1;
+ }
+ if (count + argc > maxargs) {
+ maxargs += count + MAX_ARGS;
if (!(argv = realloc_array(argv, char *, maxargs)))
out_of_memory("glob_expand");
*argv_ptr = argv;
*maxargs_ptr = maxargs;
}
- if (globbuf.gl_pathc == 0)
- argv[argc++] = s;
- else {
+ if (have_glob_results) {
int i;
free(s);
- for (i = 0; i < (int)globbuf.gl_pathc; i++) {
+ for (i = 0; i < count; i++) {
if (!(argv[argc++] = strdup(globbuf.gl_pathv[i])))
out_of_memory("glob_expand");
}
- }
+ } else
+ argv[argc++] = s;
globfree(&globbuf);
#endif
*argc_ptr = argc;
return cnt;
}
-/* Turns multiple adjacent slashes into a single slash, drops interior "."
- * elements, drops an intial "./" unless CFN_KEEP_LEADING_DOT_DIR is flagged,
- * will even drop a trailing '.' after a '/' if CFN_DROP_TRAILING_DOT_DIR is
- * flagged, removes a trailing slash (perhaps after removing the aforementioned
- * dot) unless CFN_KEEP_TRAILING_SLASH is flagged, will even collapse ".."
- * elements (except at the start of the string) if CFN_COLLAPSE_DOT_DOT_DIRS
- * is flagged. If the resulting name would be empty, we return ".". */
+/* Turns multiple adjacent slashes into a single slash, drops all leading or
+ * interior "." elements unless CFN_KEEP_DOT_DIRS is flagged. Will also drop
+ * a trailing '.' after a '/' if CFN_DROP_TRAILING_DOT_DIR is flagged, removes
+ * a trailing slash (perhaps after removing the aforementioned dot) unless
+ * CFN_KEEP_TRAILING_SLASH is flagged, and will also collapse ".." elements
+ * (except at the start) if CFN_COLLAPSE_DOT_DOT_DIRS is flagged. If the
+ * resulting name would be empty, returns ".". */
unsigned int clean_fname(char *name, int flags)
{
char *limit = name - 1, *t = name, *f = name;
if ((anchored = *f == '/') != 0)
*t++ = *f++;
- else if (flags & CFN_KEEP_LEADING_DOT_DIR && *f == '.' && f[1] == '/') {
+ else if (flags & CFN_KEEP_DOT_DIRS && *f == '.' && f[1] == '/') {
*t++ = *f++;
*t++ = *f++;
}
}
if (*f == '.') {
/* discard interior "." dirs */
- if (f[1] == '/') {
+ if (f[1] == '/' && !(flags & CFN_KEEP_DOT_DIRS)) {
f += 2;
continue;
}
* ALWAYS collapses ".." elements (except for those at the start of the
* string up to "depth" deep). If the resulting name would be empty,
* change it into a ".". */
-char *sanitize_path(char *dest, const char *p, const char *rootdir, int depth)
+char *sanitize_path(char *dest, const char *p, const char *rootdir, int depth,
+ int flags)
{
char *start, *sanp;
- int rlen = 0, leave_one_dotdir = relative_paths;
+ int rlen = 0, drop_dot_dirs = !relative_paths || !(flags & SP_KEEP_DOT_DIRS);
if (dest != p) {
int plen = strlen(p);
}
}
+ if (drop_dot_dirs) {
+ while (*p == '.' && p[1] == '/')
+ p += 2;
+ }
+
start = sanp = dest + rlen;
+ /* This loop iterates once per filename component in p, pointing at
+ * the start of the name (past any prior slash) for each iteration. */
while (*p) {
/* discard leading or extra slashes */
if (*p == '/') {
p++;
continue;
}
- /* this loop iterates once per filename component in p.
- * both p (and sanp if the original had a slash) should
- * always be left pointing after a slash
- */
- if (*p == '.' && (p[1] == '/' || p[1] == '\0')) {
- if (leave_one_dotdir && p[1])
- leave_one_dotdir = 0;
- else {
+ if (drop_dot_dirs) {
+ if (*p == '.' && (p[1] == '/' || p[1] == '\0')) {
/* skip "." component */
p++;
continue;
if (sanp != start) {
/* back up sanp one level */
--sanp; /* now pointing at slash */
- while (sanp > start && sanp[-1] != '/') {
- /* skip back up to slash */
+ while (sanp > start && sanp[-1] != '/')
sanp--;
- }
}
continue;
}
curr_dir_depth = count_dir_elements(curr_dir + module_dirlen);
}
- if (verbose >= 5)
- rprintf(FINFO, "[%s] dir is now %s\n", who_am_i(), curr_dir);
+ if (verbose >= 5 && !set_path_only)
+ rprintf(FINFO, "[%s] push_dir(%s)\n", who_am_i(), curr_dir);
return 1;
}
if (sanitize_paths)
curr_dir_depth = count_dir_elements(curr_dir + module_dirlen);
+ if (verbose >= 5)
+ rprintf(FINFO, "[%s] pop_dir(%s)\n", who_am_i(), curr_dir);
+
return 1;
}
fn = fname;
if ((int)pathjoin(t, sz, partial_dir, fn) >= sz)
return NULL;
- if (server_filter_list.head) {
+ if (daemon_filter_list.head) {
t = strrchr(partial_fname, '/');
*t = '\0';
- if (check_filter(&server_filter_list, partial_fname, 1) < 0)
+ if (check_filter(&daemon_filter_list, partial_fname, 1) < 0)
return NULL;
*t = '/';
- if (check_filter(&server_filter_list, partial_fname, 0) < 0)
+ if (check_filter(&daemon_filter_list, partial_fname, 0) < 0)
return NULL;
}