X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Ftmpfiles%2Ftmpfiles.c;h=cb15133e5ed2a1639e5796d9273c7f182bf92864;hb=a2aced4add1964f82cfd250f1fee8de9d974b507;hp=4e2519d1b543d2e5ff82e932c30c5441190ce97a;hpb=5c0d398dfc4d79df2209515d28cafd9dc129838e;p=elogind.git diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c index 4e2519d1b..cb15133e5 100644 --- a/src/tmpfiles/tmpfiles.c +++ b/src/tmpfiles/tmpfiles.c @@ -105,7 +105,7 @@ static bool arg_create = false; static bool arg_clean = false; static bool arg_remove = false; -static const char *arg_prefix = NULL; +static char **include_prefixes = NULL; static const char conf_file_dirs[] = "/etc/tmpfiles.d\0" @@ -135,7 +135,7 @@ static struct Item* find_glob(Hashmap *h, const char *match) { } static void load_unix_sockets(void) { - FILE _cleanup_fclose_ *f = NULL; + _cleanup_fclose_ FILE *f = NULL; char line[LINE_MAX]; if (unix_sockets) @@ -186,13 +186,9 @@ static void load_unix_sockets(void) { path_kill_slashes(s); - k = set_put(unix_sockets, s); - if (k < 0) { - free(s); - - if (k != -EEXIST) - goto fail; - } + k = set_consume(unix_sockets, s); + if (k < 0 && k != -EEXIST) + goto fail; } return; @@ -269,7 +265,7 @@ static int dir_cleanup( while ((dent = readdir(d))) { struct stat s; usec_t age; - char _cleanup_free_ *sub_path = NULL; + _cleanup_free_ char *sub_path = NULL; if (streq(dent->d_name, ".") || streq(dent->d_name, "..")) @@ -321,7 +317,7 @@ static int dir_cleanup( if (maxdepth <= 0) log_warning("Reached max depth on %s.", sub_path); else { - DIR _cleanup_closedir_ *sub_dir; + _cleanup_closedir_ DIR *sub_dir; int q; sub_dir = xopendirat(dirfd(d), dent->d_name, O_NOFOLLOW|O_NOATIME); @@ -515,7 +511,7 @@ static int write_one_file(Item *i, const char *path) { } static int recursive_relabel_children(Item *i, const char *path) { - DIR _cleanup_closedir_ *d; + _cleanup_closedir_ DIR *d; int ret = 0; /* This returns the first error we run into, but nevertheless @@ -530,7 +526,7 @@ static int recursive_relabel_children(Item *i, const char *path) { union dirent_storage buf; bool is_dir; int r; - char _cleanup_free_ *entry_path = NULL; + _cleanup_free_ char *entry_path = NULL; r = readdir_r(d, &buf.de, &de); if (r != 0) { @@ -601,14 +597,12 @@ static int recursive_relabel(Item *i, const char *path) { static int glob_item(Item *i, int (*action)(Item *, const char *)) { int r = 0, k; - glob_t g; + _cleanup_globfree_ glob_t g = {}; char **fn; - zero(g); - errno = 0; - if ((k = glob(i->path, GLOB_NOSORT|GLOB_BRACE, NULL, &g)) != 0) { - + k = glob(i->path, GLOB_NOSORT|GLOB_BRACE, NULL, &g); + if (k != 0) if (k != GLOB_NOMATCH) { if (errno > 0) errno = EIO; @@ -616,13 +610,13 @@ static int glob_item(Item *i, int (*action)(Item *, const char *)) { log_error("glob(%s) failed: %m", i->path); return -errno; } - } - STRV_FOREACH(fn, g.gl_pathv) - if ((k = action(i, *fn)) < 0) + STRV_FOREACH(fn, g.gl_pathv) { + k = action(i, *fn); + if (k < 0) r = k; + } - globfree(&g); return r; } @@ -745,7 +739,7 @@ static int create_item(Item *i) { if (have_effective_cap(CAP_MKNOD) == 0) { /* In a container we lack CAP_MKNOD. We - shouldnt attempt to create the device node in + shouldn't attempt to create the device node in that case to avoid noise, and we don't support virtualized devices in containers anyway. */ @@ -789,7 +783,7 @@ static int create_item(Item *i) { r = glob_item(i, item_set_perms); if (r < 0) - return 0; + return r; break; case RECURSIVE_RELABEL_PATH: @@ -881,7 +875,7 @@ static int remove_item(Item *i) { } static int clean_item_instance(Item *i, const char* instance) { - DIR _cleanup_closedir_ *d = NULL; + _cleanup_closedir_ DIR *d = NULL; struct stat s, ps; bool mountpoint; int r; @@ -977,6 +971,12 @@ static void item_free(Item *i) { free(i); } +static inline void item_freep(Item **i) { + if (*i) + item_free(*i); +} +#define _cleanup_item_free_ _cleanup_(item_freep) + static bool item_equal(Item *a, Item *b) { assert(a); assert(b); @@ -1018,10 +1018,25 @@ static bool item_equal(Item *a, Item *b) { return true; } +static bool should_include_path(const char *path) { + char **prefix; + + /* no explicit paths specified for inclusion, so everything is valid */ + if (strv_length(include_prefixes) == 0) + return true; + + STRV_FOREACH(prefix, include_prefixes) { + if (path_startswith(path, *prefix)) + return true; + } + + return false; +} + static int parse_line(const char *fname, unsigned line, const char *buffer) { - Item _cleanup_free_ *i = NULL; + _cleanup_item_free_ Item *i = NULL; Item *existing; - char _cleanup_free_ + _cleanup_free_ char *mode = NULL, *user = NULL, *group = NULL, *age = NULL; char type; Hashmap *h; @@ -1119,7 +1134,7 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) { path_kill_slashes(i->path); - if (arg_prefix && !path_startswith(i->path, arg_prefix)) + if (!should_include_path(i->path)) return 0; if (user && !streq(user, "-")) { @@ -1258,7 +1273,8 @@ static int parse_argv(int argc, char *argv[]) { break; case ARG_PREFIX: - arg_prefix = optarg; + if (strv_extend(&include_prefixes, optarg) < 0) + return log_oom(); break; case '?': @@ -1423,6 +1439,8 @@ finish: hashmap_free(items); hashmap_free(globs); + strv_free(include_prefixes); + set_free_free(unix_sockets); label_finish();