core: make RuntimeDirectory honor SELinux labels

[elogind.git] / src / core / selinux-access.c

diff --git a/src/core/selinux-access.c b/src/core/selinux-access.c
index b45a4513e28a5b40ebb03e620c5ac6a3141e3fd8..18888747f2c413eb302ca158dd79560cedc50980 100644 (file)
--- a/src/core/selinux-access.c
+++ b/src/core/selinux-access.c
@@ -64,16 +64,16 @@ static int audit_callback(
         const struct audit_info *audit = auditdata;
         uid_t uid = 0, login_uid = 0;
         gid_t gid = 0;
-        char login_uid_buf[DECIMAL_STR_MAX(uid_t)] = "n/a";
-        char uid_buf[DECIMAL_STR_MAX(uid_t)] = "n/a";
-        char gid_buf[DECIMAL_STR_MAX(gid_t)] = "n/a";
+        char login_uid_buf[DECIMAL_STR_MAX(uid_t) + 1] = "n/a";
+        char uid_buf[DECIMAL_STR_MAX(uid_t) + 1] = "n/a";
+        char gid_buf[DECIMAL_STR_MAX(gid_t) + 1] = "n/a";
 
         if (sd_bus_creds_get_audit_login_uid(audit->creds, &login_uid) >= 0)
-                snprintf(login_uid_buf, sizeof(login_uid_buf), UID_FMT, login_uid);
-        if (sd_bus_creds_get_uid(audit->creds, &uid) >= 0)
-                snprintf(uid_buf, sizeof(uid_buf), UID_FMT, uid);
-        if (sd_bus_creds_get_gid(audit->creds, &gid) >= 0)
-                snprintf(gid_buf, sizeof(gid_buf), GID_FMT, gid);
+                xsprintf(login_uid_buf, UID_FMT, login_uid);
+        if (sd_bus_creds_get_euid(audit->creds, &uid) >= 0)
+                xsprintf(uid_buf, UID_FMT, uid);
+        if (sd_bus_creds_get_egid(audit->creds, &gid) >= 0)
+                xsprintf(gid_buf, GID_FMT, gid);
 
         snprintf(msgbuf, msgbufsize,
                  "auid=%s uid=%s gid=%s%s%s%s%s%s%s",
@@ -81,8 +81,6 @@ static int audit_callback(
                  audit->path ? " path=\"" : "", strempty(audit->path), audit->path ? "\"" : "",
                  audit->cmdline ? " cmdline=\"" : "", strempty(audit->cmdline), audit->cmdline ? "\"" : "");
 
-        msgbuf[msgbufsize-1] = 0;
-
         return 0;
 }
 
@@ -203,7 +201,7 @@ int mac_selinux_generic_access_check(
 
         r = sd_bus_query_sender_creds(
                         message,
-                        SD_BUS_CREDS_PID|SD_BUS_CREDS_UID|SD_BUS_CREDS_GID|
+                        SD_BUS_CREDS_PID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_EGID|
                         SD_BUS_CREDS_CMDLINE|SD_BUS_CREDS_AUDIT_LOGIN_UID|
                         SD_BUS_CREDS_SELINUX_CONTEXT|
                         SD_BUS_CREDS_AUGMENT /* get more bits from /proc */,