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https://github.com/yarrick/iodine.git
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nasty hack hides password on commandline
This commit is contained in:
parent
13df3ca856
commit
49ad0dbc86
10
src/common.c
10
src/common.c
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@ -71,13 +71,11 @@ close_dns(int fd)
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void
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void
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do_chroot(char *newroot)
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do_chroot(char *newroot)
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{
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{
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if (newroot) {
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if (chroot(newroot) != 0 || chdir("/") != 0)
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if (chroot(newroot) != 0 || chdir("/") != 0)
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err(1, "%s", newroot);
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err(1, "%s", newroot);
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seteuid(geteuid());
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seteuid(geteuid());
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setuid(getuid());
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setuid(getuid());
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}
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}
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}
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void
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void
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26
src/iodine.c
26
src/iodine.c
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@ -681,6 +681,9 @@ main(int argc, char **argv)
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case 'P':
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case 'P':
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strncpy(password, optarg, 32);
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strncpy(password, optarg, 32);
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password[32] = 0;
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password[32] = 0;
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/* XXX: find better way of cleaning up ps(1) */
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memset(optarg, 0, strlen(optarg));
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break;
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break;
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default:
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default:
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usage();
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usage();
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@ -689,7 +692,7 @@ main(int argc, char **argv)
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}
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}
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if (geteuid() != 0) {
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if (geteuid() != 0) {
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printf("Run as root and you'll be happy.\n");
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warnx("Run as root and you'll be happy.\n");
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usage();
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usage();
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}
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}
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@ -713,14 +716,13 @@ main(int argc, char **argv)
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set_nameserver(nameserv_addr);
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set_nameserver(nameserv_addr);
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if (strlen(topdomain) > 128 || topdomain[0] == '.') {
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if (strlen(topdomain) > 128 || topdomain[0] == '.') {
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printf("Use a topdomain max 128 chars long. Do not start it with a dot.\n");
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warnx("Use a topdomain max 128 chars long. Do not start it with a dot.\n");
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usage();
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usage();
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}
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}
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if(username) {
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if (username != NULL) {
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pw = getpwnam(username);
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if ((pw = getpwnam(username)) == NULL) {
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if (!pw) {
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warnx("User %s does not exist!\n", username);
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printf("User %s does not exist!\n", username);
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usage();
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usage();
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}
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}
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}
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}
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@ -739,20 +741,20 @@ main(int argc, char **argv)
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if(handshake(dns_fd))
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if(handshake(dns_fd))
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goto cleanup2;
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goto cleanup2;
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printf("Sending queries for %s to %s\n", topdomain, nameserv_addr);
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printf("Sending queries for %s to %s\n", argv[1], argv[0]);
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do_chroot(newroot);
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if (newroot != NULL)
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do_chroot(newroot);
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if (username) {
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if (username != NULL) {
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if (setgid(pw->pw_gid) < 0 || setuid(pw->pw_uid) < 0) {
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if (setgid(pw->pw_gid) < 0 || setuid(pw->pw_uid) < 0) {
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printf("Could not switch to user %s!\n", username);
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warnx("Could not switch to user %s!\n", username);
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usage();
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usage();
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}
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}
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}
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}
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if (!foreground) {
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if (foreground == 0)
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do_detach();
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do_detach();
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}
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tunnel(tun_fd, dns_fd);
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tunnel(tun_fd, dns_fd);
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@ -573,7 +573,8 @@ main(int argc, char **argv)
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printf("Listening to dns for domain %s\n", argv[1]);
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printf("Listening to dns for domain %s\n", argv[1]);
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do_chroot(newroot);
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if (newroot != NULL)
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do_chroot(newroot);
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signal(SIGINT, sigint);
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signal(SIGINT, sigint);
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if (username) {
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if (username) {
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