Revert "Implement SocketUser= and SocketGroup= for [Socket]"

This was never intended to be pushed.

This reverts commit aea54018a5.

man/systemd.socket.xml

@@ -357,30 +357,6 @@
                                 0666.</para></listitem>
                         </varlistentry>
 
-                        <varlistentry>
-                                <term><varname>SocketUser=</varname></term>
-                                <listitem><para>If listening on a file system
-                                socket or FIFO, this option specifies the
-                                user owner of the created socket. When
-                                defining this, keep in mind that name
-                                switch services for user name lookups may
-                                not be available. It is advisable to use a
-                                numeric UID for this
-                                setting.</para></listitem>
-                        </varlistentry>
-
-                        <varlistentry>
-                                <term><varname>SocketGroup=</varname></term>
-                                <listitem><para>If listening on a file system
-                                socket or FIFO, this option specifies the
-                                group owner of the created socket. When
-                                defining this, keep in mind that name
-                                switch services for group name lookups may
-                                not be available. It is advisable to use a
-                                numeric GID for this
-                                setting.</para></listitem>
-                        </varlistentry>
-
                         <varlistentry>
                                 <term><varname>Accept=</varname></term>
                                 <listitem><para>Takes a boolean

src/core/dbus-socket.c

@@ -43,8 +43,6 @@
         "  <property name=\"BindToDevice\" type=\"s\" access=\"read\"/>\n" \
         "  <property name=\"DirectoryMode\" type=\"u\" access=\"read\"/>\n" \
         "  <property name=\"SocketMode\" type=\"u\" access=\"read\"/>\n" \
-        "  <property name=\"SocketUser\" type=\"s\" access=\"read\"/>\n" \
-        "  <property name=\"SocketGroup\" type=\"s\" access=\"read\"/>\n" \
         "  <property name=\"Accept\" type=\"b\" access=\"read\"/>\n"    \
         "  <property name=\"KeepAlive\" type=\"b\" access=\"read\"/>\n" \
         "  <property name=\"Priority\" type=\"i\" access=\"read\"/>\n"  \
@@ -111,8 +109,6 @@ static const BusProperty bus_socket_properties[] = {
         { "BindToDevice",   bus_property_append_string,        "s", offsetof(Socket, bind_to_device), true },
         { "DirectoryMode",  bus_property_append_mode,          "u", offsetof(Socket, directory_mode)  },
         { "SocketMode",     bus_property_append_mode,          "u", offsetof(Socket, socket_mode)     },
-        { "SocketUser",     bus_property_append_string,        "s", offsetof(Socket, socket_user),    true },
-        { "SocketGroup",    bus_property_append_string,        "s", offsetof(Socket, socket_group),   true },
         { "Accept",         bus_property_append_bool,          "b", offsetof(Socket, accept)          },
         { "KeepAlive",      bus_property_append_bool,          "b", offsetof(Socket, keep_alive)      },
         { "Priority",       bus_property_append_int,           "i", offsetof(Socket, priority)        },

src/core/load-fragment-gperf.gperf.m4

@@ -189,8 +189,6 @@ Socket.ExecStopPost,             config_parse_exec,                  SOCKET_EXEC
 Socket.TimeoutSec,               config_parse_usec,                  0,                             offsetof(Socket, timeout_usec)
 Socket.DirectoryMode,            config_parse_mode,                  0,                             offsetof(Socket, directory_mode)
 Socket.SocketMode,               config_parse_mode,                  0,                             offsetof(Socket, socket_mode)
-Socket.SocketUser,               config_parse_string,                0,                             offsetof(Socket, socket_user)
-Socket.SocketGroup,              config_parse_string,                0,                             offsetof(Socket, socket_group)
 Socket.Accept,                   config_parse_bool,                  0,                             offsetof(Socket, accept)
 Socket.MaxConnections,           config_parse_unsigned,              0,                             offsetof(Socket, max_connections)
 Socket.KeepAlive,                config_parse_bool,                  0,                             offsetof(Socket, keep_alive)

src/core/socket.c

@@ -136,12 +136,6 @@ 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 +449,6 @@ 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 +692,6 @@ 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);
 
@@ -794,21 +775,6 @@ 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");
-        }
 }
 
 static void socket_apply_fifo_options(Socket *s, int fd) {
@@ -828,15 +794,11 @@ 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 +823,7 @@ static int fifo_address_create(
                 goto fail;
         }
 
-        fd = open(path, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW);
+        if ((fd = open(path, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW)) < 0) {
-        if (fd < 0) {
                 r = -errno;
                 goto fail;
         }
@@ -874,35 +835,15 @@ 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_uid != getuid() ||
-            st.st_gid != gid) {
+            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 +1013,6 @@ 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;
 

src/core/socket.h

@@ -118,8 +118,6 @@ struct Socket {
 
         mode_t directory_mode;
         mode_t socket_mode;
-        char *socket_user;
-        char *socket_group;
 
         SocketResult result;
 

src/shared/socket-label.c

@@ -52,7 +52,6 @@ int socket_address_listen(
                 int *ret) {
 
         int r, fd, one;
-
         assert(a);
         assert(ret);