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dom0: Allow UID as parameter to qfile-dom0-unpacker

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This commit is contained in:
Marek Marczykowski 2011-07-17 00:35:34 +02:00
parent 4f10835d83
commit 79d593e191
1 changed files with 9 additions and 4 deletions
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11
dom0/aux-tools/qfile-dom0-unpacker.c
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@ -19,15 +19,20 @@
int prepare_creds_return_uid(char *username)
{
struct passwd *pwd;
// First try name
pwd = getpwnam(username);
if (!pwd) {
perror("getpwnam");
// Then try UID
pwd = getpwuid(atoi(username));
if (!pwd) {
perror("getpwuid");
exit(1);
}
}
setenv("HOME", pwd->pw_dir, 1);
setenv("USER", username, 1);
setenv("USER", pwd->pw_name, 1);
setgid(pwd->pw_gid);
initgroups(username, pwd->pw_gid);
initgroups(pwd->pw_name, pwd->pw_gid);
setfsuid(pwd->pw_uid);
return pwd->pw_uid;
}