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-rw-r--r--toys/pending/su.c97
1 files changed, 0 insertions, 97 deletions
diff --git a/toys/pending/su.c b/toys/pending/su.c
deleted file mode 100644
index eac149c8..00000000
--- a/toys/pending/su.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/* su.c - switch user
- *
- * Copyright 2013 CE Strake <strake888@gmail.com>
- *
- * See http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/su.html
- * TODO: log su attempts
-
-USE_SU(NEWTOY(su, "lmpc:s:", TOYFLAG_BIN|TOYFLAG_ROOTONLY))
-
-config SU
- bool "su"
- default n
- help
- usage: su [-lmp] [-c CMD] [-s SHELL] [USER [ARGS...]]
-
- Switch to user (or root) and run shell (with optional command line).
-
- -s shell to use
- -c command to pass to shell with -c
- -l login shell
- -(m|p) preserve environment
-*/
-
-#define FOR_su
-#include "toys.h"
-
-GLOBALS(
- char *s;
- char *c;
-)
-
-static char *snapshot_env(char *name)
-{
- char *s = getenv(name);
-
- if (s) return xmsprintf("%s=%s", name, s);
-
- return 0;
-}
-
-void su_main()
-{
- char *name, *passhash = 0, **argu, **argv;
- struct passwd *up;
- struct spwd *shp;
-
- if (*toys.optargs && !strcmp("-", *toys.optargs)) {
- toys.optflags |= FLAG_l;
- toys.optargs++;
- }
-
- if (*toys.optargs) name = *(toys.optargs++);
- else name = "root";
-
- if (!(shp = getspnam(name))) perror_exit("no '%s'", name);
- if (*shp->sp_pwdp != '$') goto deny;
- if (read_password(toybuf, sizeof(toybuf), "Password: ")) goto deny;
- passhash = crypt(toybuf, shp->sp_pwdp);
- memset(toybuf, 0, sizeof(toybuf));
- if (!passhash || strcmp(passhash, shp->sp_pwdp)) goto deny;
-
- up = xgetpwnam(name);
- xsetuid(up->pw_uid);
-
- argv = argu = xmalloc(sizeof(char *)*(toys.optc + 4));
- *(argv++) = TT.s ? TT.s : up->pw_shell;
-
- if (toys.optflags & FLAG_l) {
- int i;
- char *stuff[] = {snapshot_env("TERM"), snapshot_env("DISPLAY"),
- snapshot_env("COLORTERM"), snapshot_env("XAUTHORITY")};
-
- clearenv();
- for (i=0; i < sizeof(stuff)/sizeof(char *); i++) putenv(stuff[i]);
- *(argv++) = "-l";
- xchdir(up->pw_dir);
- } else unsetenv("IFS");
- setenv("PATH", "/sbin:/bin:/usr/sbin:/usr/bin", 1);
- if (!(toys.optflags & (FLAG_m|FLAG_p))) {
- setenv("HOME", up->pw_dir, 1);
- setenv("SHELL", up->pw_shell, 1);
- setenv("USER", up->pw_name, 1);
- setenv("LOGNAME", up->pw_name, 1);
- } else unsetenv("IFS");
-
- if (toys.optflags & FLAG_c) {
- *(argv++) = "-c";
- *(argv++) = TT.c;
- }
- while ((*(argv++) = *(toys.optargs++)));
- xexec(argu);
- perror_exit("can't exec %s", *argu);
-
-deny:
- puts("No.");
- toys.exitval = 1;
-}