Move runas handling from vl.c to OS specific files.

Move code to handle runas, ie. change of user id of QEMU process
to OS specific files and provide dummy stub for Win32.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Acked-by: Juan Quintela <quintela@redhat.com>
Acked-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 1 insertions, 28 deletions

diff --git a/vl.c b/vl.c
index b08b5adf9a..723154b56f 100644
--- a/vl.c
+++ b/vl.c
@@ -34,7 +34,6 @@
 
 #ifndef _WIN32
 #include <libgen.h>
-#include <pwd.h>
 #include <sys/times.h>
 #include <sys/wait.h>
 #include <termios.h>
@@ -2310,9 +2309,7 @@ int main(int argc, char **argv, char **envp)
     const char *incoming = NULL;
 #ifndef _WIN32
     int fd = 0;
-    struct passwd *pwd = NULL;
     const char *chroot_dir = NULL;
-    const char *run_as = NULL;
 #endif
     int show_vnc_port = 0;
     int defconfig = 1;
@@ -3060,9 +3057,6 @@ int main(int argc, char **argv, char **envp)
             case QEMU_OPTION_chroot:
                 chroot_dir = optarg;
                 break;
-            case QEMU_OPTION_runas:
-                run_as = optarg;
-                break;
 #endif
             case QEMU_OPTION_xen_domid:
                 if (!(xen_available())) {
@@ -3554,14 +3548,6 @@ int main(int argc, char **argv, char **envp)
 	    exit(1);
     }
 
-    if (run_as) {
-        pwd = getpwnam(run_as);
-        if (!pwd) {
-            fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
-            exit(1);
-        }
-    }
-
     if (chroot_dir) {
         if (chroot(chroot_dir) < 0) {
             fprintf(stderr, "chroot failed\n");
@@ -3573,20 +3559,7 @@ int main(int argc, char **argv, char **envp)
         }
     }
 
-    if (run_as) {
-        if (setgid(pwd->pw_gid) < 0) {
-            fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
-            exit(1);
-        }
-        if (setuid(pwd->pw_uid) < 0) {
-            fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
-            exit(1);
-        }
-        if (setuid(0) != -1) {
-            fprintf(stderr, "Dropping privileges failed\n");
-            exit(1);
-        }
-    }
+    os_change_process_uid();
 
     if (daemonize) {
         dup2(fd, 0);