summaryrefslogtreecommitdiff
path: root/legacy/busybox/bbsuid.c
diff options
context:
space:
mode:
Diffstat (limited to 'legacy/busybox/bbsuid.c')
-rw-r--r--legacy/busybox/bbsuid.c107
1 files changed, 0 insertions, 107 deletions
diff --git a/legacy/busybox/bbsuid.c b/legacy/busybox/bbsuid.c
deleted file mode 100644
index 24d0d7d3e..000000000
--- a/legacy/busybox/bbsuid.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (C) 2008 Natanael Copa <natanael.copa@gmail.com>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation. See http://www.gnu.org/ for details.
- *
- */
-
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#include <libgen.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <err.h>
-
-#define BBSUID_PATH "/bin/bbsuid"
-
-const static char * applets[] = {
- "/bin/mount",
- "/bin/umount",
- "/bin/su",
- "/usr/bin/crontab",
- "/usr/bin/passwd",
- "/usr/bin/traceroute",
- "/usr/bin/traceroute6",
- "/usr/bin/vlock",
- NULL
-};
-
-
-static const char *applet_from_path(const char *str)
-{
- const char *p = strrchr(str, '/');
- if (p == NULL)
- p = str;
- else
- p++;
- return p;
-}
-
-static int is_valid_applet(const char *str)
-{
- int i;
- for (i = 0; applets[i] != NULL; i++) {
- const char *a = applet_from_path(applets[i]);
- if (strcmp(applet_from_path(str), a) == 0)
- return 1;
- }
- return 0;
-}
-
-int exec_busybox(const char *app, int argc, char **argv)
-{
- char **newargv = malloc((argc + 2) * sizeof(char *));
- int i;
- newargv[0] = "/bin/busybox";
- newargv[1] = (char *)app;
- for (i = 1; i < argc; i++)
- newargv[i+1] = argv[i];
- newargv[argc+1] = NULL;
- execv(newargv[0], newargv);
- perror(newargv[0]);
- free(newargv);
- return 1;
-}
-
-static int install_links(void)
-{
- int i, r = 0;
- /* we don't want others than root to install the symlinks */
- if (getuid() != 0)
- errx(1, "Only root can install symlinks");
-
- for (i = 0; applets[i] != NULL; i++) {
- const char *a = applets[i];
- struct stat st;
- if (lstat(a, &st) == 0 && S_ISLNK(st.st_mode))
- unlink(a);
- if (symlink(BBSUID_PATH, a) < 0)
- r++;
- }
-
- return r;
-}
-
-int main(int argc, char **argv)
-{
- const char *app = applet_from_path(argv[0]);
-
- if (strcmp(app, "bbsuid") == 0) {
- if (argc == 2 && strcmp(argv[1], "--install") == 0)
- return install_links();
- errx(1, "Use --install to install symlinks");
- }
-
- if (is_valid_applet(app))
- return exec_busybox(app, argc, argv);
-
- errx(1, "%s is not a valid applet", app);
- return 1;
-}
-