X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Ftmpfiles.c;h=a6b8f859aa948946fa025130ee2c1a0ce4381cf3;hb=ad293f5a94d8124ece7d1cb860952a87b1c8d98f;hp=954c3b7cf3152dcd6467899497f0ec064ba66184;hpb=223a35581604897185c46dfc184b0fa32916d59b;p=elogind.git diff --git a/src/tmpfiles.c b/src/tmpfiles.c index 954c3b7cf..a6b8f859a 100644 --- 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; @@ -542,7 +586,7 @@ static int remove_item(Item *i, const char *instance) { case TRUNCATE_DIRECTORY: case RECURSIVE_REMOVE_PATH: - if ((r = rm_rf(instance, false, i->type == RECURSIVE_REMOVE_PATH)) < 0 && + if ((r = rm_rf(instance, false, i->type == RECURSIVE_REMOVE_PATH, false)) < 0 && r != -ENOENT) { log_error("rm_rf(%s): %s", instance, strerror(-r)); return r; @@ -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) { @@ -711,18 +757,11 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) { } if (user && !streq(user, "-")) { - unsigned long lu; - 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 ((p = getpwnam(user))) - i->uid = p->pw_uid; - else { + const char *u = user; + + r = get_user_creds(&u, &i->uid, NULL, NULL); + if (r < 0) { log_error("[%s:%u] Unknown user '%s'.", fname, line, user); - r = -ENOENT; goto finish; } @@ -730,18 +769,11 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) { } if (group && !streq(group, "-")) { - unsigned long lu; - 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 ((g = getgrnam(group))) - i->gid = g->gr_gid; - else { + const char *g = group; + + r = get_group_creds(&g, &i->gid); + if (r < 0) { log_error("[%s:%u] Unknown group '%s'.", fname, line, group); - r = -ENOENT; goto finish; } @@ -940,6 +972,8 @@ int main(int argc, char *argv[]) { log_parse_environment(); log_open(); + umask(0022); + label_init(); items = hashmap_new(string_hash_func, string_compare_func); @@ -983,15 +1017,11 @@ int main(int argc, char *argv[]) { 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)))