util: user parse_uid() wherever applicable

[elogind.git] / src / tmpfiles.c

diff --git a/src/tmpfiles.c b/src/tmpfiles.c
index 2526d1e915d1aace1598a4238c3251124e75d56c..a1b2f8b1d27ef3cc9236f8ea1c224cf556b6c318 100644 (file)
--- a/src/tmpfiles.c
+++ b/src/tmpfiles.c
@@ -56,6 +56,7 @@ enum {
         TRUNCATE_FILE = 'F',
         CREATE_DIRECTORY = 'd',
         TRUNCATE_DIRECTORY = 'D',
+        CREATE_FIFO = 'p',
 
         /* These ones take globs */
         IGNORE_PATH = 'x',
@@ -505,6 +506,48 @@ static int create_item(Item *i) {
                         }
 
                 break;
+
+        case CREATE_FIFO:
+
+                u = umask(0);
+                r = mkfifo(i->path, i->mode);
+                umask(u);
+
+                if (r < 0 && errno != EEXIST) {
+                        log_error("Failed to create fifo %s: %m", i->path);
+                        r = -errno;
+                        goto finish;
+                }
+
+                if (stat(i->path, &st) < 0) {
+                        log_error("stat(%s) failed: %m", i->path);
+                        r = -errno;
+                        goto finish;
+                }
+
+                if (!S_ISFIFO(st.st_mode)) {
+                        log_error("%s is not a fifo.", i->path);
+                        r = -EEXIST;
+                        goto finish;
+                }
+
+                if (i->mode_set)
+                        if (chmod(i->path, i->mode) < 0) {
+                                log_error("chmod(%s) failed: %m", i->path);
+                                r = -errno;
+                                goto finish;
+                        }
+
+                if (i->uid_set || i->gid_set)
+                        if (chown(i->path,
+                                   i->uid_set ? i->uid : (uid_t) -1,
+                                   i->gid_set ? i->gid : (gid_t) -1) < 0) {
+                                log_error("chown(%s) failed: %m", i->path);
+                                r = -errno;
+                                goto finish;
+                        }
+
+                break;
         }
 
         if ((r = label_fix(i->path, false)) < 0)
@@ -529,6 +572,7 @@ static int remove_item(Item *i, const char *instance) {
         case CREATE_FILE:
         case TRUNCATE_FILE:
         case CREATE_DIRECTORY:
+        case CREATE_FIFO:
         case IGNORE_PATH:
                 break;
 
@@ -562,6 +606,7 @@ static int remove_item_glob(Item *i) {
         case CREATE_FILE:
         case TRUNCATE_FILE:
         case CREATE_DIRECTORY:
+        case CREATE_FIFO:
         case IGNORE_PATH:
                 break;
 
@@ -689,6 +734,7 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
             i->type != TRUNCATE_FILE &&
             i->type != CREATE_DIRECTORY &&
             i->type != TRUNCATE_DIRECTORY &&
+            i->type != CREATE_FIFO &&
             i->type != IGNORE_PATH &&
             i->type != REMOVE_PATH &&
             i->type != RECURSIVE_REMOVE_PATH) {
@@ -711,13 +757,13 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
         }
 
         if (user && !streq(user, "-")) {
-                unsigned long lu;
+                uid_t uid;
                 struct passwd *p;
 
                 if (streq(user, "root") || streq(user, "0"))
                         i->uid = 0;
-                else if (safe_atolu(user, &lu) >= 0)
-                        i->uid = (uid_t) lu;
+                else if (parse_uid(user, &uid) >= 0)
+                        i->uid = uid;
                 else if ((p = getpwnam(user)))
                         i->uid = p->pw_uid;
                 else {
@@ -730,13 +776,13 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
         }
 
         if (group && !streq(group, "-")) {
-                unsigned long lu;
+                gid_t gid;
                 struct group *g;
 
                 if (streq(group, "root") || streq(group, "0"))
                         i->gid = 0;
-                else if (safe_atolu(group, &lu) >= 0)
-                        i->gid = (gid_t) lu;
+                else if (parse_gid(group, &gid) >= 0)
+                        i->gid = gid;
                 else if ((g = getgrnam(group)))
                         i->gid = g->gr_gid;
                 else {
@@ -804,20 +850,6 @@ finish:
         return r;
 }
 
-static int scandir_filter(const struct dirent *d) {
-        assert(d);
-
-        if (ignore_file(d->d_name))
-                return 0;
-
-        if (d->d_type != DT_REG &&
-            d->d_type != DT_LNK &&
-            d->d_type != DT_UNKNOWN)
-                return 0;
-
-        return endswith(d->d_name, ".conf");
-}
-
 static int help(void) {
 
         printf("%s [OPTIONS...] [CONFIGURATION FILE...]\n\n"
@@ -912,6 +944,7 @@ static int read_config_file(const char *fn, bool ignore_enoent) {
                 return -errno;
         }
 
+        log_debug("apply: %s\n", fn);
         for (;;) {
                 char line[LINE_MAX], *l;
                 int k;
@@ -974,48 +1007,33 @@ int main(int argc, char *argv[]) {
                                 r = EXIT_FAILURE;
 
         } else {
-                int n, j;
-                struct dirent **de = NULL;
-
-                if ((n = scandir("/etc/tmpfiles.d/", &de, scandir_filter, alphasort)) < 0) {
-
-                        if (errno != ENOENT) {
-                                log_error("Failed to enumerate /etc/tmpfiles.d/ files: %m");
-                                r = EXIT_FAILURE;
-                        }
-
+                char **files, **f;
+
+                r = conf_files_list(&files, ".conf",
+                                    "/run/tmpfiles.d",
+                                    "/etc/tmpfiles.d",
+                                    "/usr/local/lib/tmpfiles.d",
+                                    "/usr/lib/tmpfiles.d",
+                                    NULL);
+                if (r < 0) {
+                        r = EXIT_FAILURE;
+                        log_error("Failed to enumerate tmpfiles.d files: %s", strerror(-r));
                         goto finish;
                 }
 
-                for (j = 0; j < n; j++) {
-                        int k;
-                        char *fn;
-
-                        k = asprintf(&fn, "/etc/tmpfiles.d/%s", de[j]->d_name);
-                        free(de[j]);
-
-                        if (k < 0) {
-                                log_error("Failed to allocate file name.");
+                STRV_FOREACH(f, files) {
+                        if (read_config_file(*f, true) < 0)
                                 r = EXIT_FAILURE;
-                                continue;
-                        }
-
-                        if (read_config_file(fn, true) < 0)
-                                r = EXIT_FAILURE;
-
-                        free(fn);
                 }
 
-                free(de);
+                strv_free(files);
         }
 
         HASHMAP_FOREACH(i, globs, iterator)
-                if (process_item(i) < 0)
-                        r = EXIT_FAILURE;
+                process_item(i);
 
         HASHMAP_FOREACH(i, items, iterator)
-                if (process_item(i) < 0)
-                        r = EXIT_FAILURE;
+                process_item(i);
 
 finish:
         while ((i = hashmap_steal_first(items)))