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some slight cleanup in setuid code 

git-svn-id: https://svn.musicpd.org/mpd/trunk@2078 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Warren Dukes 2004-08-29 13:37:09 +00:00
parent 2a1fa4fd25
commit df50ddf545
1 changed files with 3 additions and 7 deletions
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10
src/main.c
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@ -229,18 +229,14 @@ void establishListen(Options * options) {
void changeToUser(Options * options) {
if (options->usr && strlen(options->usr)) {
int uid, gid;
/* get uid */
struct passwd * userpwd;
if ((userpwd = getpwnam(options->usr)) == NULL) {
ERROR("no such user: %s\n", options->usr);
exit(EXIT_FAILURE);
}
uid = userpwd->pw_uid;
gid = userpwd->pw_gid;
if(setgid(gid) == -1) {
if(setgid(userpwd->pw_gid) == -1) {
ERROR("cannot setgid of user %s: %s\n", options->usr,
strerror(errno));
exit(EXIT_FAILURE);
@ -250,7 +246,7 @@ void changeToUser(Options * options) {
/* init suplementary groups
* (must be done before we change our uid)
*/
if (initgroups(options->usr, gid) == -1) {
if (initgroups(options->usr, userpwd->pw_gid) == -1) {
WARNING("cannot init suplementary groups "
"of user %s: %s\n", options->usr,
strerror(errno));
@ -258,7 +254,7 @@ void changeToUser(Options * options) {
#endif
/* set uid */
if (setuid(uid) == -1) {
if (setuid(userpwd->pw_uid) == -1) {
ERROR("cannot change to uid of user "
"%s: %s\n", options->usr,
strerror(errno));