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main: show more fail info in log for -u and -g

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This commit is contained in:
Jaroslav Kysela 2014-09-29 14:18:37 +02:00
parent 8602487ae6
commit 71478e1967
1 changed files with 10 additions and 5 deletions
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15
src/main.c
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@ -716,12 +716,17 @@ main(int argc, char **argv)
if (pw != NULL) {
if (getuid() != pw->pw_uid) {
gid_t glist[10];
gid_t glist[16];
int gnum;
gnum = get_user_groups(pw, glist, ARRAY_SIZE(glist));
if (setgroups(gnum, glist)) {
if (gnum > 0 && setgroups(gnum, glist)) {
char buf[256] = "";
int i;
for (i = 0; i < gnum; i++)
snprintf(buf + strlen(buf), sizeof(buf) - 1 - strlen(buf),
",%d", glist[i]);
tvhlog(LOG_ALERT, "START",
"setgroups() failed, do you have permission?");
"setgroups(%s) failed, do you have permission?", buf+1);
return 1;
}
}
@ -733,12 +738,12 @@ main(int argc, char **argv)
}
if ((getgid() != gid) && setgid(gid)) {
tvhlog(LOG_ALERT, "START",
"setgid() failed, do you have permission?");
"setgid(%d) failed, do you have permission?", gid);
return 1;
}
if ((getuid() != uid) && setuid(uid)) {
tvhlog(LOG_ALERT, "START",
"setuid() failed, do you have permission?");
"setuid(%d) failed, do you have permission?", uid);
return 1;
}
}