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return 1 if opening tun fails and args are correct

This commit is contained in:
Erik Ekman 2009-06-24 16:40:51 +00:00
parent 9facdcfb65
commit c15190c58a
1 changed files with 20 additions and 7 deletions
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27
src/iodined.c
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@ -1053,6 +1053,7 @@ main(int argc, char **argv)
int mtu; int mtu;
int skipipconfig; int skipipconfig;
char *netsize; char *netsize;
int retval;
username = NULL; username = NULL;
newroot = NULL; newroot = NULL;
@ -1071,6 +1072,8 @@ main(int argc, char **argv)
b32 = get_base32_encoder(); b32 = get_base32_encoder();
retval = 0;
#ifdef WINDOWS32 #ifdef WINDOWS32
WSAStartup(req_version, &wsa_data); WSAStartup(req_version, &wsa_data);
#endif #endif
@ -1235,16 +1238,26 @@ main(int argc, char **argv)
if (strlen(password) == 0) if (strlen(password) == 0)
read_password(password, sizeof(password)); read_password(password, sizeof(password));
if ((tun_fd = open_tun(device)) == -1) if ((tun_fd = open_tun(device)) == -1) {
retval = 1;
goto cleanup0; goto cleanup0;
if (!skipipconfig) }
if (tun_setip(argv[0], netmask) != 0 || tun_setmtu(mtu) != 0) if (!skipipconfig) {
if (tun_setip(argv[0], netmask) != 0 || tun_setmtu(mtu) != 0) {
retval = 1;
goto cleanup1; goto cleanup1;
if ((dnsd_fd = open_dns(port, listen_ip)) == -1) }
}
if ((dnsd_fd = open_dns(port, listen_ip)) == -1) {
retval = 1;
goto cleanup2; goto cleanup2;
if (bind_enable) }
if ((bind_fd = open_dns(0, INADDR_ANY)) == -1) if (bind_enable) {
if ((bind_fd = open_dns(0, INADDR_ANY)) == -1) {
retval = 1;
goto cleanup3; goto cleanup3;
}
}
my_mtu = mtu; my_mtu = mtu;
@ -1290,5 +1303,5 @@ cleanup1:
close_tun(tun_fd); close_tun(tun_fd);
cleanup0: cleanup0:
return 0; return retval;
} }