Add #ifdef guards around xattr usage

[elogind.git] / src / core / socket.c

diff --git a/src/core/socket.c b/src/core/socket.c
index f3f09cac4326133e8af4c9ecb3a8a4132fd3a0e7..3d5791b114517903665003bf36e24060a3fc25c3 100644 (file)
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -28,7 +28,9 @@
 #include <signal.h>
 #include <arpa/inet.h>
 #include <mqueue.h>
+#ifdef HAVE_ATTR_XATTR_H
 #include <attr/xattr.h>
+#endif
 
 #include "unit.h"
 #include "socket.h"
@@ -136,12 +138,6 @@ static void socket_done(Unit *u) {
         free(s->smack_ip_in);
         free(s->smack_ip_out);
 
-        free(s->socket_user);
-        s->socket_user = NULL;
-
-        free(s->socket_group);
-        s->socket_group = NULL;
-
         unit_unwatch_timer(u, &s->timer_watch);
 }
 
@@ -455,16 +451,6 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
                 prefix, yes_no(s->pass_sec),
                 prefix, strna(s->tcp_congestion));
 
-        if (s->socket_user)
-                fprintf(f,
-                        "SocketUser: %s\n",
-                        s->socket_user);
-
-        if (s->socket_group)
-                fprintf(f,
-                        "SocketGroup: %s\n",
-                        s->socket_group);
-
         if (s->control_pid > 0)
                 fprintf(f,
                         "%sControl PID: %lu\n",
@@ -708,9 +694,6 @@ static void socket_close_fds(Socket *s) {
 }
 
 static void socket_apply_socket_options(Socket *s, int fd) {
-        uid_t uid = 0;
-        gid_t gid = 0;
-
         assert(s);
         assert(fd >= 0);
 
@@ -787,6 +770,7 @@ static void socket_apply_socket_options(Socket *s, int fd) {
                 if (setsockopt(fd, SOL_TCP, TCP_CONGESTION, s->tcp_congestion, strlen(s->tcp_congestion)+1) < 0)
                         log_warning("TCP_CONGESTION failed: %m");
 
+#ifdef HAVE_ATTR_XATTR_H
         if (s->smack_ip_in)
                 if (fsetxattr(fd, "security.SMACK64IPIN", s->smack_ip_in, strlen(s->smack_ip_in), 0) < 0)
                         log_error("fsetxattr(\"security.SMACK64IPIN\"): %m");
@@ -794,21 +778,7 @@ static void socket_apply_socket_options(Socket *s, int fd) {
         if (s->smack_ip_out)
                 if (fsetxattr(fd, "security.SMACK64IPOUT", s->smack_ip_out, strlen(s->smack_ip_out), 0) < 0)
                         log_error("fsetxattr(\"security.SMACK64IPOUT\"): %m");
-
-        if (s->socket_user &&
-            get_user_creds((const char **)&s->socket_user, &uid,
-                                NULL, NULL, NULL) < 0) {
-                log_warning("failed to lookup user: %s", s->socket_user);
-        }
-
-        if (s->socket_group &&
-            get_group_creds((const char **)&s->socket_group, &gid) < 0) {
-                log_warning("failed to lookup group: %s", s->socket_group);
-        }
-
-        if ((uid != 0 || gid != 0) && fchown(fd, uid, gid) < 0) {
-                log_warning("failed to change ownership of socket");
-        }
+#endif
 }
 
 static void socket_apply_fifo_options(Socket *s, int fd) {
@@ -819,24 +789,22 @@ static void socket_apply_fifo_options(Socket *s, int fd) {
                 if (fcntl(fd, F_SETPIPE_SZ, s->pipe_size) < 0)
                         log_warning("F_SETPIPE_SZ: %m");
 
+#ifdef HAVE_ATTR_XATTR_H
         if (s->smack)
                 if (fsetxattr(fd, "security.SMACK64", s->smack, strlen(s->smack), 0) < 0)
                         log_error("fsetxattr(\"security.SMACK64\"): %m");
+#endif
 }
 
 static int fifo_address_create(
                 const char *path,
                 mode_t directory_mode,
                 mode_t socket_mode,
-                const char *socket_user,
-                const char *socket_group,
                 int *_fd) {
 
         int fd = -1, r = 0;
         struct stat st;
         mode_t old_mask;
-        uid_t uid = 0;
-        gid_t gid = 0;
 
         assert(path);
         assert(_fd);
@@ -861,8 +829,7 @@ static int fifo_address_create(
                 goto fail;
         }
 
-        fd = open(path, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW);
-        if (fd < 0) {
+        if ((fd = open(path, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW)) < 0) {
                 r = -errno;
                 goto fail;
         }
@@ -874,35 +841,15 @@ static int fifo_address_create(
                 goto fail;
         }
 
-        if (socket_user &&
-            get_user_creds(&socket_user, &uid, NULL, NULL, NULL) < 0) {
-                r = -errno;
-                log_error("failed to lookup user: %s", socket_user);
-                goto fail;
-        }
-
-        if (socket_group &&
-            get_group_creds(&socket_group, &gid) < 0) {
-                r = -errno;
-                log_error("failed to lookup group: %s", socket_group);
-                goto fail;
-        }
-
         if (!S_ISFIFO(st.st_mode) ||
             (st.st_mode & 0777) != (socket_mode & ~old_mask) ||
-            st.st_uid != uid ||
-            st.st_gid != gid) {
+            st.st_uid != getuid() ||
+            st.st_gid != getgid()) {
 
                 r = -EEXIST;
                 goto fail;
         }
 
-        if ((uid != 0 || gid != 0) && fchown(fd, uid, gid) < 0) {
-                r = -errno;
-                log_error("failed to changed ownership of FIFO: %s", path);
-                goto fail;
-        }
-
         *_fd = fd;
         return 0;
 
@@ -1072,8 +1019,6 @@ static int socket_open_fds(Socket *s) {
                                              p->path,
                                              s->directory_mode,
                                              s->socket_mode,
-                                             s->socket_user,
-                                             s->socket_group,
                                              &p->fd)) < 0)
                                 goto rollback;
 
@@ -1603,7 +1548,7 @@ static void socket_enter_running(Socket *s, int cfd) {
         return;
 
 fail:
-        log_warning("%s failed to queue socket startup job: %s", UNIT(s)->id, bus_error(&error, r));
+        log_warning("%s failed to queue service startup job (Maybe the service file is missing or not a %s unit?): %s", UNIT(s)->id, cfd >= 0 ? "template" : "non-template", bus_error(&error, r));
         socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
 
         if (cfd >= 0)