2 * Configuration file parser for IP-Addresse ipv4 and ipv6
4 * Written by Meno Abels, June MMIIII
9 Copyright (C) 2004 Kern Sibbald and John Walker
11 This program is free software; you can redistribute it and/or
12 modify it under the terms of the GNU General Public License as
13 published by the Free Software Foundation; either version 2 of
14 the License, or (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public
22 License along with this program; if not, write to the Free
23 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
30 #ifdef HAVE_ARPA_NAMESER_H
31 #include <arpa/nameser.h>
37 static int add_address(dlist **out, IPADDR::i_type type, unsigned short defaultport, int family,
38 const char *hostname_str, const char *port_str, char **errstr);
41 IPADDR::IPADDR(const IPADDR &src) : type(src.type)
43 memcpy(&saddrbuf, &src.saddrbuf, sizeof(saddrbuf));
44 saddr = &saddrbuf.dontuse;
45 saddr4 = &saddrbuf.dontuse4;
47 saddr6 = &saddrbuf.dontuse6;
51 IPADDR::IPADDR(int af) : type(R_EMPTY)
54 if (!(af == AF_INET6 || af == AF_INET)) {
55 Emsg1(M_ERROR_TERM, 0, _("Only ipv4 and ipv6 are supported (%d)\n"), af);
59 Emsg1(M_ERROR_TERM, 0, _("Only ipv4 is supported (%d)\n"), af);
62 saddr = &saddrbuf.dontuse;
63 saddr4 = &saddrbuf.dontuse4;
65 saddr6 = &saddrbuf.dontuse6;
67 saddr->sa_family = af;
69 saddr4->sin_port = 0xffff;
73 saddr6->sin6_port = 0xffff;
78 saddr->sa_len = (af == AF_INET) ? sizeof(sockaddr_in) : sizeof(sockaddr_in6);
80 saddr->sa_len = sizeof(sockaddr_in);
86 void IPADDR::set_type(i_type o)
91 IPADDR::i_type IPADDR::get_type() const
96 unsigned short IPADDR::get_port_net_order() const
98 unsigned short port = 0;
99 if (saddr->sa_family == AF_INET) {
100 port = saddr4->sin_port;
104 port = saddr6->sin6_port;
110 void IPADDR::set_port_net(unsigned short port)
112 if (saddr->sa_family == AF_INET) {
113 saddr4->sin_port = port;
117 saddr6->sin6_port = port;
122 int IPADDR::get_family() const
124 return saddr->sa_family;
127 struct sockaddr *IPADDR::get_sockaddr()
132 int IPADDR::get_sockaddr_len()
135 return saddr->sa_family == AF_INET ? sizeof(*saddr4) : sizeof(*saddr6);
137 return sizeof(*saddr4);
140 void IPADDR::copy_addr(IPADDR *src)
142 if (saddr->sa_family == AF_INET) {
143 saddr4->sin_addr.s_addr = src->saddr4->sin_addr.s_addr;
147 saddr6->sin6_addr = src->saddr6->sin6_addr;
152 void IPADDR::set_addr_any()
154 if (saddr->sa_family == AF_INET) {
155 saddr4->sin_addr.s_addr = INADDR_ANY;
159 saddr6->sin6_addr= in6addr_any;
164 void IPADDR::set_addr4(struct in_addr *ip4)
166 if (saddr->sa_family != AF_INET) {
167 Emsg1(M_ERROR_TERM, 0, _("It was tried to assign a ipv6 address to a ipv4(%d)\n"), saddr->sa_family);
169 saddr4->sin_addr = *ip4;
173 void IPADDR::set_addr6(struct in6_addr *ip6)
175 if (saddr->sa_family != AF_INET6) {
176 Emsg1(M_ERROR_TERM, 0, _("It was tried to assign a ipv4 address to a ipv6(%d)\n"), saddr->sa_family);
178 saddr6->sin6_addr = *ip6;
182 const char *IPADDR::get_address(char *outputbuf, int outlen)
185 #ifdef HAVE_INET_NTOP
187 inet_ntop(saddr->sa_family, saddr->sa_family == AF_INET ?
188 (void*)&(saddr4->sin_addr) : (void*)&(saddr6->sin6_addr),
191 inet_ntop(saddr->sa_family, (void*)&(saddr4->sin_addr), outputbuf, outlen);
194 bstrncpy(outputbuf, inet_ntoa(saddr4->sin_addr), outlen);
199 const char *IPADDR::build_address_str(char *buf, int blen)
202 bsnprintf(buf, blen, "host[%s:%s:%hu] ",
203 get_family() == AF_INET ? "ipv4" : "ipv6",
204 get_address(tmp, sizeof(tmp) - 1), get_port_host_order());
208 const char *build_addresses_str(dlist *addrs, char *buf, int blen)
210 if (addrs->size() == 0) {
211 bstrncpy(buf, "", blen);
216 foreach_dlist(p, addrs) {
218 int len = bsnprintf(work, blen, "%s", p->build_address_str(tmp, sizeof(tmp)));
227 const char *get_first_address(dlist * addrs, char *outputbuf, int outlen)
229 return ((IPADDR *)(addrs->first()))->get_address(outputbuf, outlen);
232 int get_first_port_net_order(dlist * addrs)
234 return ((IPADDR *)(addrs->first()))->get_port_net_order();
237 int get_first_port_host_order(dlist * addrs)
239 return ((IPADDR *)(addrs->first()))->get_port_host_order();
242 void init_default_addresses(dlist **out, int port)
245 unsigned short sport = port;
246 if (!add_address(out, IPADDR::R_DEFAULT, htons(sport), AF_INET, 0, 0, &errstr)) {
247 Emsg1(M_ERROR_TERM, 0, _("Can't add default address (%s)\n"), errstr);
252 static int add_address(dlist **out, IPADDR::i_type type, unsigned short defaultport, int family,
253 const char *hostname_str, const char *port_str, char **errstr)
259 IPADDR::i_type intype = type;
261 dlist *addrs = (dlist *)(*(out));
264 addrs = *out = New(dlist(tmp, &tmp->link));
267 type = (type == IPADDR::R_SINGLE_PORT
268 || type == IPADDR::R_SINGLE_ADDR) ? IPADDR::R_SINGLE : type;
269 if (type != IPADDR::R_DEFAULT) {
271 foreach_dlist(iaddr, addrs) {
272 if (iaddr->get_type() == IPADDR::R_DEFAULT) {
274 } else if (iaddr->get_type() != type) {
275 *errstr = (char *)malloc(1024);
276 bsnprintf(*errstr, 1023,
277 "the old style addresses cannot be mixed with new style");
288 if (!port_str || port_str[0] == '\0') {
291 int pnum = atol(port_str);
292 if (0 < pnum && pnum < 0xffff) {
295 struct servent *s = getservbyname(port_str, "tcp");
299 *errstr = (char *)malloc(1024);
300 bsnprintf(*errstr, 1023, "can't resolve service(%s)", port_str);
306 const char *myerrstr;
307 hostaddrs = bnet_host2ipaddrs(hostname_str, family, &myerrstr);
309 *errstr = (char *)malloc(1024);
310 bsnprintf(*errstr, 1023, "can't resolve hostname(%s) %s", hostname_str,
315 if (intype == IPADDR::R_SINGLE_PORT || intype == IPADDR::R_SINGLE_ADDR) {
318 addr = (IPADDR *)addrs->first();
320 addr = New(IPADDR(family));
321 addr->set_type(type);
322 addr->set_port_net(defaultport);
323 addr->set_addr_any();
326 if (intype == IPADDR::R_SINGLE_PORT) {
327 addr->set_port_net(port);
329 if (intype == IPADDR::R_SINGLE_ADDR) {
330 addr->copy_addr((IPADDR *) (hostaddrs->first()));
333 foreach_dlist(iaddr, hostaddrs) {
336 foreach_dlist(jaddr, addrs) {
337 if (iaddr->get_sockaddr_len() == jaddr->get_sockaddr_len() &&
338 !memcmp(iaddr->get_sockaddr(), jaddr->get_sockaddr(),
339 iaddr->get_sockaddr_len()))
341 goto skip; /* no price */
344 clone = New(IPADDR(*iaddr));
345 clone->set_type(type);
346 clone->set_port_net(port);
347 addrs->append(clone);
352 free_addresses(hostaddrs);
359 * = { ip = { addr = 1.2.3.4; port = 1205; } ipv4 = { addr = 1.2.3.4; port = http; } }
361 * addr = 1.2.3.4; port = 1205; }
363 * addr = 1.2.3.4; port = http; }
376 * addr = 2001:220:222::2
379 * addr = bluedot.thun.net
384 * = { ipv4 { addr = doof.nowaytoheavenxyz.uhu; } }
385 * = { ipv4 { port = 4711 } }
387 void store_addresses(LEX * lc, RES_ITEM * item, int index, int pass)
390 enum { EMPTYLINE = 0, PORTLINE = 0x1, ADDRLINE = 0x2 } next_line = EMPTYLINE;
392 char hostname_str[1024];
397 token = lex_get_token(lc, T_SKIP_EOL);
398 if (token != T_BOB) {
399 scan_err1(lc, _("Expected a block begin { , got: %s"), lc->str);
402 token = lex_get_token(lc, T_SKIP_EOL);
403 if (token == T_EOB) {
404 scan_err0(lc, _("Empty addr block is not allowed"));
407 if (!(token == T_UNQUOTED_STRING || token == T_IDENTIFIER)) {
408 scan_err1(lc, _("Expected a string, got: %s"), lc->str);
410 if (strcasecmp("ip", lc->str) == 0 || strcasecmp("ipv4", lc->str) == 0) {
414 else if (strcasecmp("ipv6", lc->str) == 0) {
417 scan_err1(lc, _("Expected a string [ip|ipv4|ipv6], got: %s"), lc->str);
421 scan_err1(lc, _("Expected a string [ip|ipv4], got: %s"), lc->str);
424 token = lex_get_token(lc, T_SKIP_EOL);
425 if (token != T_EQUALS) {
426 scan_err1(lc, _("Expected a equal =, got: %s"), lc->str);
428 token = lex_get_token(lc, T_SKIP_EOL);
429 if (token != T_BOB) {
430 scan_err1(lc, _("Expected a block beginn { , got: %s"), lc->str);
432 token = lex_get_token(lc, T_SKIP_EOL);
434 port_str[0] = hostname_str[0] = '\0';
436 if (token != T_IDENTIFIER) {
437 scan_err1(lc, _("Expected a identifier [addr|port], got: %s"), lc->str);
439 if (strcasecmp("port", lc->str) == 0) {
440 next_line = PORTLINE;
441 if (exist & PORTLINE) {
442 scan_err0(lc, _("Only one port per address block"));
445 } else if (strcasecmp("addr", lc->str) == 0) {
446 next_line = ADDRLINE;
447 if (exist & ADDRLINE) {
448 scan_err0(lc, _("Only one addr per address block"));
452 scan_err1(lc, _("Expected a identifier [addr|port], got: %s"), lc->str);
454 token = lex_get_token(lc, T_SKIP_EOL);
455 if (token != T_EQUALS) {
456 scan_err1(lc, _("Expected a equal =, got: %s"), lc->str);
458 token = lex_get_token(lc, T_SKIP_EOL);
462 (token == T_UNQUOTED_STRING || token == T_NUMBER
463 || token == T_IDENTIFIER)) {
464 scan_err1(lc, _("Expected a number or a string, got: %s"), lc->str);
466 bstrncpy(port_str, lc->str, sizeof(port_str));
469 if (!(token == T_UNQUOTED_STRING || token == T_IDENTIFIER)) {
470 scan_err1(lc, _("Expected an IP number or a hostname, got: %s"),
473 bstrncpy(hostname_str, lc->str, sizeof(hostname_str));
476 scan_err0(lc, _("State machine missmatch"));
479 token = lex_get_token(lc, T_SKIP_EOL);
480 } while (token == T_IDENTIFIER);
481 if (token != T_EOB) {
482 scan_err1(lc, _("Expected a end of block }, got: %s"), lc->str);
486 if (pass == 1 && !add_address((dlist **)(item->value), IPADDR::R_MULTIPLE,
487 htons(item->default_value), family, hostname_str, port_str, &errstr)) {
488 scan_err3(lc, _("Can't add hostname(%s) and port(%s) to addrlist (%s)"),
489 hostname_str, port_str, errstr);
492 token = scan_to_next_not_eol(lc);
493 } while ((token == T_IDENTIFIER || token == T_UNQUOTED_STRING));
494 if (token != T_EOB) {
495 scan_err1(lc, _("Expected a end of block }, got: %s"), lc->str);
499 void store_addresses_address(LEX * lc, RES_ITEM * item, int index, int pass)
502 int token = lex_get_token(lc, T_SKIP_EOL);
503 if (!(token == T_UNQUOTED_STRING || token == T_NUMBER || token == T_IDENTIFIER)) {
504 scan_err1(lc, _("Expected a hostname or IP nummer, got: %s"), lc->str);
507 if (pass == 1 && !add_address((dlist **) (item->value), IPADDR::R_SINGLE_ADDR,
508 htons(item->default_value), AF_INET, lc->str, 0, &errstr)) {
509 scan_err2(lc, _("can't add port (%s) to (%s)"), lc->str, errstr);
514 void store_addresses_port(LEX * lc, RES_ITEM * item, int index, int pass)
516 int token = lex_get_token(lc, T_SKIP_EOL);
517 if (!(token == T_UNQUOTED_STRING || token == T_NUMBER || token == T_IDENTIFIER)) {
518 scan_err1(lc, _("Expected a port number or string, got: %s"), lc->str);
521 if (pass == 1 && !add_address((dlist **)(item->value), IPADDR::R_SINGLE_PORT,
522 htons(item->default_value), AF_INET, 0, lc->str, &errstr)) {
523 scan_err2(lc, _("can't add port (%s) to (%s)"), lc->str, errstr);
528 void free_addresses(dlist * addrs)
530 while (!addrs->empty()) {
531 IPADDR *ptr = (IPADDR*)addrs->first();
538 int sockaddr_get_port_net_order(const struct sockaddr *client_addr)
540 if (client_addr->sa_family == AF_INET) {
541 return ((struct sockaddr_in *)client_addr)->sin_port;
545 return ((struct sockaddr_in6 *)client_addr)->sin6_port;
551 int sockaddr_get_port(const struct sockaddr *client_addr)
553 if (client_addr->sa_family == AF_INET) {
554 return ntohs(((struct sockaddr_in *)client_addr)->sin_port);
558 return ntohs(((struct sockaddr_in6 *)client_addr)->sin6_port);
565 char *sockaddr_to_ascii(const struct sockaddr *sa, char *buf, int len)
567 #ifdef HAVE_INET_NTOP
568 /* MA Bug 5 the problem was that i mixed up sockaddr and in_addr */
569 inet_ntop(sa->sa_family,
571 sa->sa_family == AF_INET ?
572 (void*)&(((struct sockaddr_in*)sa)->sin_addr) :
573 (void*)&(((struct sockaddr_in6*)sa)->sin6_addr),
575 (void*)&(((struct sockaddr_in*)sa)->sin_addr),
576 # endif /* HAVE_IPV6 */
579 bstrncpy(buf, inet_ntoa(((struct sockaddr_in *)sa)->sin_addr), len);
584 #ifdef HAVE_OLD_SOCKOPT
585 int inet_aton(const char *cp, struct in_addr *inp)
587 struct in_addr inaddr;
589 if((inaddr.s_addr = inet_addr(cp)) != INADDR_NONE) {
590 inp->s_addr = inaddr.s_addr;