-
- /* FIXME: workaround for pclose() issue - still no real idea why
- * this is happening */
- signal(SIGCHLD, SIG_DFL);
-
- /* handle operations that doesn't need start the ipsec system */
- if (argc == 2) {
- if (strcmp(argv[1], "D") == 0) {
- ipsec_norules();
- /* Only shutdown pluto if it really is running */
- int fd;
- /* Get pluto pid */
- if ((fd = open("/var/run/pluto.pid", O_RDONLY)) != -1) {
- safe_system("/etc/rc.d/init.d/ipsec stop 2> /dev/null >/dev/null");
- close(fd);
- }
- exit(0);
- }
-
- if (strcmp(argv[1], "R") == 0) {
- safe_system("/usr/sbin/ipsec auto --rereadall");
- exit(0);
- }
- }
-
- /* clear iptables vpn rules */
- ipsec_norules();
-
- /* read vpn config */
- kv=initkeyvalues();
- if (!readkeyvalues(kv, CONFIG_ROOT "/vpn/settings"))
- {
- fprintf(stderr, "Cannot read vpn settings\n");
- exit(1);
- }
-
- /* check is the vpn system is enabled */
- {
- char s[STRING_SIZE];
- findkey(kv, "ENABLED", s);
- freekeyvalues(kv);
- if (strcmp (s, "on") != 0)
- exit(0);
- }
-
- /* read interface settings */
- kv=initkeyvalues();
- if (!readkeyvalues(kv, CONFIG_ROOT "/ethernet/settings"))
- {
- fprintf(stderr, "Cannot read ethernet settings\n");
- exit(1);
- }
- if (!findkey(kv, "CONFIG_TYPE", configtype))
- {
- fprintf(stderr, "Cannot read CONFIG_TYPE\n");
- exit(1);
- }
- findkey(kv, "RED_TYPE", redtype);
-
-
- /* Loop through the config file to find physical interface that will accept IPSEC */
- int enable_red=0; // states 0: not used
- int enable_green=0; // 1: error condition
- int enable_orange=0; // 2: good
- int enable_blue=0;
- char if_red[STRING_SIZE] = "";
- char if_green[STRING_SIZE] = "";
- char if_orange[STRING_SIZE] = "";
- char if_blue[STRING_SIZE] = "";
- char s[STRING_SIZE];
- FILE *file = NULL;
-
- if (!(file = fopen(CONFIG_ROOT "/vpn/config", "r"))) {
- fprintf(stderr, "Couldn't open vpn settings file");
- exit(1);
- }
- while (fgets(s, STRING_SIZE, file) != NULL) {
- char *key;
- char *name;
- char *type;
- char *interface;
- if (!decode_line(s,&key,&name,&type,&interface))
- continue;
- /* search interface */
- if (!enable_red && strcmp (interface, "RED") == 0) {
- // when RED is up, find interface name in special file
- FILE *ifacefile = NULL;
- if ((ifacefile = fopen(CONFIG_ROOT "/red/iface", "r"))) {
- if (fgets(if_red, STRING_SIZE, ifacefile)) {
- if (if_red[strlen(if_red) - 1] == '\n')
- if_red[strlen(if_red) - 1] = '\0';
- }
- fclose (ifacefile);
-
- if (VALID_DEVICE(if_red))
- enable_red+=2; // present and running
- }
- }
-
- if (!enable_green && strcmp (interface, "GREEN") == 0) {
- enable_green = 1;
- findkey(kv, "GREEN_DEV", if_green);
- if (VALID_DEVICE(if_green))
- enable_green++;
- else
- fprintf(stderr, "IPSec enabled on green but green interface is invalid or not found\n");
- }
-
- if (!enable_orange && strcmp (interface, "ORANGE") == 0) {
- enable_orange = 1;
- findkey(kv, "ORANGE_DEV", if_orange);
- if (VALID_DEVICE(if_orange))
- enable_orange++;
- else
- fprintf(stderr, "IPSec enabled on orange but orange interface is invalid or not found\n");
- }
-
- if (!enable_blue && strcmp (interface, "BLUE") == 0) {
- enable_blue++;
- findkey(kv, "BLUE_DEV", if_blue);
- if (VALID_DEVICE(if_blue))
- enable_blue++;
- else
- fprintf(stderr, "IPSec enabled on blue but blue interface is invalid or not found\n");
-
- }
- }
- fclose(file);
- freekeyvalues(kv);
-
- // do nothing if something is in error condition
- if ((enable_red==1) || (enable_green==1) || (enable_orange==1) || (enable_blue==1) )
- exit(1);
-
- // exit if nothing to do
- if ( (enable_red+enable_green+enable_orange+enable_blue) == 0 )
- exit(0);
-
- // open needed ports
- // todo: read a nat_t indicator to allow or not openning UDP/4500
- if (enable_red==2)
- open_physical(if_red, 4500);
-
- if (enable_green==2)
- open_physical(if_green, 4500);
-
- if (enable_orange==2)
- open_physical(if_orange, 4500);
-
- if (enable_blue==2)
- open_physical(if_blue, 4500);
-
- // then open the ipsecX
- open_virtual();
-
- // start the system
- if ((argc == 2) && strcmp(argv[1], "S") == 0) {
- load_modules();
- safe_system("/usr/sbin/ipsec tncfg --clear >/dev/null");
- safe_system("/etc/rc.d/init.d/ipsec restart >/dev/null");
- add_alias_interfaces(configtype, redtype, if_red, (enable_red+enable_green+enable_orange+enable_blue) >>1 );
- exit(0);
- }
-
- // it is a selective start or stop
- // second param is only a number 'key'
- if ((argc == 2) || strspn(argv[2], NUMBERS) != strlen(argv[2])) {
- ipsec_norules();
- fprintf(stderr, "Bad arg\n");
- usage();
- exit(1);
- }
-
- // search the vpn pointed by 'key'
- if (!(file = fopen(CONFIG_ROOT "/vpn/config", "r"))) {
- ipsec_norules();
- fprintf(stderr, "Couldn't open vpn settings file");
- exit(1);
- }
- while (fgets(s, STRING_SIZE, file) != NULL) {
- char *key;
- char *name;
- char *type;
- char *interface;
- if (!decode_line(s,&key,&name,&type,&interface))
- continue;
-
- // start/stop a vpn if belonging to specified interface
- if (strcmp(argv[1], interface) == 0 ) {
- if (strcmp(argv[2], "0")==0)
- turn_connection_off (name);
- else
- turn_connection_on (name, type);
- continue;
- }
- // is it the 'key' requested ?
- if (strcmp(argv[2], key) != 0)
- continue;
- // Start or Delete this Connection
- if (strcmp(argv[1], "S") == 0)
- turn_connection_on (name, type);
- else
- if (strcmp(argv[1], "D") == 0)
- turn_connection_off (name);
- else {
- ipsec_norules();
- fprintf(stderr, "Bad command\n");
- exit(1);
- }
- }
- fclose(file);
- safe_system("/usr/local/bin/vpn-watch &");
- return 0;
+
+ /* FIXME: workaround for pclose() issue - still no real idea why
+ * this is happening */
+ signal(SIGCHLD, SIG_DFL);
+
+ /* handle operations that doesn't need start the ipsec system */
+ if (argc == 2) {
+ if (strcmp(argv[1], "D") == 0) {
+ ipsec_norules();
+ /* Only shutdown pluto if it really is running */
+ /* Get pluto pid */
+ if (file = fopen("/var/run/pluto.pid", "r")) {
+ safe_system("/etc/rc.d/init.d/ipsec stop 2> /dev/null >/dev/null");
+ close(file);
+ }
+ exit(0);
+ }
+
+ if (strcmp(argv[1], "R") == 0) {
+ safe_system("/usr/sbin/ipsec auto --rereadall");
+ exit(0);
+ }
+ }
+
+ /* clear iptables vpn rules */
+ ipsec_norules();
+
+ /* read vpn config */
+ kv=initkeyvalues();
+ if (!readkeyvalues(kv, CONFIG_ROOT "/vpn/settings"))
+ {
+ fprintf(stderr, "Cannot read vpn settings\n");
+ exit(1);
+ }
+
+ /* check is the vpn system is enabled */
+ {
+ char s[STRING_SIZE];
+ findkey(kv, "ENABLED", s);
+ freekeyvalues(kv);
+ if (strcmp (s, "on") != 0)
+ exit(0);
+ }
+
+ /* read interface settings */
+ kv=initkeyvalues();
+ if (!readkeyvalues(kv, CONFIG_ROOT "/ethernet/settings"))
+ {
+ fprintf(stderr, "Cannot read ethernet settings\n");
+ exit(1);
+ }
+ if (!findkey(kv, "CONFIG_TYPE", configtype))
+ {
+ fprintf(stderr, "Cannot read CONFIG_TYPE\n");
+ exit(1);
+ }
+ findkey(kv, "RED_TYPE", redtype);
+
+
+ /* Loop through the config file to find physical interface that will accept IPSEC */
+ int enable_red=0; // states 0: not used
+ int enable_green=0; // 1: error condition
+ int enable_orange=0; // 2: good
+ int enable_blue=0;
+ char if_red[STRING_SIZE] = "";
+ char if_green[STRING_SIZE] = "";
+ char if_orange[STRING_SIZE] = "";
+ char if_blue[STRING_SIZE] = "";
+ char s[STRING_SIZE];
+
+ if (!(file = fopen(CONFIG_ROOT "/vpn/config", "r"))) {
+ fprintf(stderr, "Couldn't open vpn settings file");
+ exit(1);
+ }
+ while (fgets(s, STRING_SIZE, file) != NULL) {
+ char *key;
+ char *name;
+ char *type;
+ char *interface;
+ if (!decode_line(s,&key,&name,&type,&interface))
+ continue;
+ /* search interface */
+ if (!enable_red && strcmp (interface, "RED") == 0) {
+ // when RED is up, find interface name in special file
+ FILE *ifacefile = NULL;
+ if ((ifacefile = fopen(CONFIG_ROOT "/red/iface", "r"))) {
+ if (fgets(if_red, STRING_SIZE, ifacefile)) {
+ if (if_red[strlen(if_red) - 1] == '\n')
+ if_red[strlen(if_red) - 1] = '\0';
+ }
+ fclose (ifacefile);
+
+ if (VALID_DEVICE(if_red))
+ enable_red+=2; // present and running
+ }
+ }
+
+ if (!enable_green && strcmp (interface, "GREEN") == 0) {
+ enable_green = 1;
+ findkey(kv, "GREEN_DEV", if_green);
+ if (VALID_DEVICE(if_green))
+ enable_green++;
+ else
+ fprintf(stderr, "IPSec enabled on green but green interface is invalid or not found\n");
+ }
+
+ if (!enable_orange && strcmp (interface, "ORANGE") == 0) {
+ enable_orange = 1;
+ findkey(kv, "ORANGE_DEV", if_orange);
+ if (VALID_DEVICE(if_orange))
+ enable_orange++;
+ else
+ fprintf(stderr, "IPSec enabled on orange but orange interface is invalid or not found\n");
+ }
+
+ if (!enable_blue && strcmp (interface, "BLUE") == 0) {
+ enable_blue++;
+ findkey(kv, "BLUE_DEV", if_blue);
+ if (VALID_DEVICE(if_blue))
+ enable_blue++;
+ else
+ fprintf(stderr, "IPSec enabled on blue but blue interface is invalid or not found\n");
+
+ }
+ }
+ fclose(file);
+ freekeyvalues(kv);
+
+ // do nothing if something is in error condition
+ if ((enable_red==1) || (enable_green==1) || (enable_orange==1) || (enable_blue==1) )
+ exit(1);
+
+ // exit if nothing to do
+ if ( (enable_red+enable_green+enable_orange+enable_blue) == 0 )
+ exit(0);
+
+ // open needed ports
+ // todo: read a nat_t indicator to allow or not openning UDP/4500
+ if (enable_red==2)
+ open_physical(if_red, 4500);
+
+ if (enable_green==2)
+ open_physical(if_green, 4500);
+
+ if (enable_orange==2)
+ open_physical(if_orange, 4500);
+
+ if (enable_blue==2)
+ open_physical(if_blue, 4500);
+
+ // then open the ipsecX
+ open_virtual();
+
+ // start the system
+ if ((argc == 2) && strcmp(argv[1], "S") == 0) {
+ load_modules();
+ safe_system("/usr/sbin/ipsec tncfg --clear >/dev/null");
+ safe_system("/etc/rc.d/init.d/ipsec restart >/dev/null");
+ add_alias_interfaces(configtype, redtype, if_red, (enable_red+enable_green+enable_orange+enable_blue) >>1 );
+ safe_system("/usr/local/bin/vpn-watch &");
+ exit(0);
+ }
+
+ // it is a selective start or stop
+ // second param is only a number 'key'
+ if ((argc == 2) || strspn(argv[2], NUMBERS) != strlen(argv[2])) {
+ ipsec_norules();
+ fprintf(stderr, "Bad arg\n");
+ usage();
+ exit(1);
+ }
+
+ // search the vpn pointed by 'key'
+ if (!(file = fopen(CONFIG_ROOT "/vpn/config", "r"))) {
+ ipsec_norules();
+ fprintf(stderr, "Couldn't open vpn settings file");
+ exit(1);
+ }
+ while (fgets(s, STRING_SIZE, file) != NULL) {
+ char *key;
+ char *name;
+ char *type;
+ char *interface;
+ if (!decode_line(s,&key,&name,&type,&interface))
+ continue;
+
+ // start/stop a vpn if belonging to specified interface
+ if (strcmp(argv[1], interface) == 0 ) {
+ if (strcmp(argv[2], "0")==0)
+ turn_connection_off (name);
+ else
+ turn_connection_on (name, type);
+ continue;
+ }
+ // is it the 'key' requested ?
+ if (strcmp(argv[2], key) != 0)
+ continue;
+ // Start or Delete this Connection
+ if (strcmp(argv[1], "S") == 0)
+ turn_connection_on (name, type);
+ else
+ if (strcmp(argv[1], "D") == 0)
+ turn_connection_off (name);
+ else {
+ ipsec_norules();
+ fprintf(stderr, "Bad command\n");
+ exit(1);
+ }
+ }
+ fclose(file);
+ return 0;