mirrors/iodine
1
0
Fork 0
mirror of https://github.com/yarrick/iodine.git synced 2024-11-22 22:51:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

Allow bind port and listen port to be the same if listenip doesnt include localhost. Also remove newlines from warnx

Browse source
This commit is contained in:
Erik Ekman 2009-07-16 08:44:04 +00:00 committed by Erik Ekman
parent d5acb508bc
commit a62ae8e562
1 changed files with 18 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
src/iodined.c
View file

@ -1172,43 +1172,50 @@ main(int argc, char **argv)
my_ip = inet_addr(argv[0]); my_ip = inet_addr(argv[0]);
if (my_ip == INADDR_NONE) { if (my_ip == INADDR_NONE) {
warnx("Bad IP address to use inside tunnel.\n"); warnx("Bad IP address to use inside tunnel.");
usage(); usage();
} }
topdomain = strdup(argv[1]); topdomain = strdup(argv[1]);
if(strlen(topdomain) <= 128) { if(strlen(topdomain) <= 128) {
if(check_topdomain(topdomain)) { if(check_topdomain(topdomain)) {
warnx("Topdomain contains invalid characters.\n"); warnx("Topdomain contains invalid characters.");
usage(); usage();
} }
} else { } else {
warnx("Use a topdomain max 128 chars long.\n"); warnx("Use a topdomain max 128 chars long.");
usage(); usage();
} }
if (username != NULL) { if (username != NULL) {
#ifndef WINDOWS32 #ifndef WINDOWS32
if ((pw = getpwnam(username)) == NULL) { if ((pw = getpwnam(username)) == NULL) {
warnx("User %s does not exist!\n", username); warnx("User %s does not exist!", username);
usage(); usage();
} }
#endif #endif
} }
if (mtu <= 0) { if (mtu <= 0) {
warnx("Bad MTU given.\n"); warnx("Bad MTU given.");
usage(); usage();
} }
if(port < 1 || port > 65535) { if(port < 1 || port > 65535) {
warnx("Bad port number given.\n"); warnx("Bad port number given.");
usage(); usage();
} }
if(bind_enable) { if(bind_enable) {
if (bind_port < 1 || bind_port > 65535 || bind_port == port) { if (bind_port < 1 || bind_port > 65535) {
warnx("Bad DNS server port number given.\n"); warnx("Bad DNS server port number given.");
usage();
/* NOTREACHED */
}
/* Avoid forwarding loops */
if (bind_port == port && (listen_ip == INADDR_ANY || listen_ip == htonl(0x7f000001L))) {
warnx("Forward port is same as listen port (%d), will create a loop!", bind_port);
fprintf(stderr, "Use -l to set listen ip to avoid this.\n");
usage(); usage();
/* NOTREACHED */ /* NOTREACHED */
} }
@ -1228,16 +1235,16 @@ main(int argc, char **argv)
} }
if (listen_ip == INADDR_NONE) { if (listen_ip == INADDR_NONE) {
warnx("Bad IP address to listen on.\n"); warnx("Bad IP address to listen on.");
usage(); usage();
} }
if (ns_ip == INADDR_NONE) { if (ns_ip == INADDR_NONE) {
warnx("Bad IP address to return as nameserver.\n"); warnx("Bad IP address to return as nameserver.");
usage(); usage();
} }
if (netmask > 30 || netmask < 8) { if (netmask > 30 || netmask < 8) {
warnx("Bad netmask (%d bits). Use 8-30 bits.\n", netmask); warnx("Bad netmask (%d bits). Use 8-30 bits.", netmask);
usage(); usage();
} }