suckless/ubase
1
0
Fork 0
mirror of git://git.suckless.org/ubase synced 2024-12-25 08:02:17 +00:00
Code Issues Projects Releases Wiki Activity

Implement -p for su(1)

Browse Source
This commit is contained in:
sin 2013-10-18 14:26:14 +01:00
parent 7e59506b4b
commit acb9ae197e
1 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
su.c
View File

@ -18,10 +18,11 @@ static void dologin(struct passwd *);
static void
usage(void)
{
eprintf("usage: %s [-l] [username]\n", argv0);
eprintf("usage: %s [-lp] [username]\n", argv0);
}
static int lflag = 0;
static int pflag = 0;
int
main(int argc, char **argv)
@ -37,6 +38,9 @@ main(int argc, char **argv)
case 'l':
lflag = 1;
break;
case 'p':
pflag = 1;
break;
default:
usage();
} ARGEND;
@ -100,12 +104,14 @@ main(int argc, char **argv)
dologin(pw);
} else {
newargv = (char *const[]){pw->pw_shell, NULL};
if (!pflag) {
setenv("HOME", pw->pw_dir, 1);
setenv("SHELL", pw->pw_dir, 1);
if (strcmp(pw->pw_name, "root") != 0) {
setenv("USER", pw->pw_name, 1);
setenv("LOGNAME", pw->pw_name, 1);
}
}
execve(pw->pw_shell, newargv, environ);
}
return (errno == ENOENT) ? 127 : 126;