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,
31 static int add_address(dlist **out, IPADDR::i_type type, unsigned short defaultport, int family,
32 const char *hostname_str, const char *port_str, char **errstr);
35 IPADDR::IPADDR(const IPADDR &src) : type(src.type)
37 memcpy(&saddrbuf, &src.saddrbuf, sizeof(saddrbuf));
38 saddr = &saddrbuf.dontuse;
39 saddr4 = &saddrbuf.dontuse4;
41 saddr6 = &saddrbuf.dontuse6;
45 IPADDR::IPADDR(int af) : type(R_EMPTY)
48 if (!(af == AF_INET6 || af == AF_INET)) {
49 Emsg1(M_ERROR_TERM, 0, _("Only ipv4 and ipv6 are supported (%d)\n"), af);
53 Emsg1(M_ERROR_TERM, 0, _("Only ipv4 is supported (%d)\n"), af);
56 saddr = &saddrbuf.dontuse;
57 saddr4 = &saddrbuf.dontuse4;
59 saddr6 = &saddrbuf.dontuse6;
61 saddr->sa_family = af;
63 saddr4->sin_port = 0xffff;
67 saddr6->sin6_port = 0xffff;
72 saddr->sa_len = (af == AF_INET) ? sizeof(sockaddr_in) : sizeof(sockaddr_in6);
74 saddr->sa_len = sizeof(sockaddr_in);
80 void IPADDR::set_type(i_type o)
85 IPADDR::i_type IPADDR::get_type() const
90 unsigned short IPADDR::get_port_net_order() const
92 unsigned short port = 0;
93 if (saddr->sa_family == AF_INET) {
94 port = saddr4->sin_port;
98 port = saddr6->sin6_port;
104 void IPADDR::set_port_net(unsigned short port)
106 if (saddr->sa_family == AF_INET) {
107 saddr4->sin_port = port;
111 saddr6->sin6_port = port;
116 int IPADDR::get_family() const
118 return saddr->sa_family;
121 struct sockaddr *IPADDR::get_sockaddr()
126 int IPADDR::get_sockaddr_len()
129 return saddr->sa_family == AF_INET ? sizeof(*saddr4) : sizeof(*saddr6);
131 return sizeof(*saddr4);
134 void IPADDR::copy_addr(IPADDR *src)
136 if (saddr->sa_family == AF_INET) {
137 saddr4->sin_addr.s_addr = src->saddr4->sin_addr.s_addr;
141 saddr6->sin6_addr = src->saddr6->sin6_addr;
146 void IPADDR::set_addr_any()
148 if (saddr->sa_family == AF_INET) {
149 saddr4->sin_addr.s_addr = INADDR_ANY;
153 saddr6->sin6_addr= in6addr_any;
158 void IPADDR::set_addr4(struct in_addr *ip4)
160 if (saddr->sa_family != AF_INET) {
161 Emsg1(M_ERROR_TERM, 0, _("It was tried to assign a ipv6 address to a ipv4(%d)\n"), saddr->sa_family);
163 saddr4->sin_addr = *ip4;
167 void IPADDR::set_addr6(struct in6_addr *ip6)
169 if (saddr->sa_family != AF_INET6) {
170 Emsg1(M_ERROR_TERM, 0, _("It was tried to assign a ipv4 address to a ipv6(%d)\n"), saddr->sa_family);
172 saddr6->sin6_addr = *ip6;
176 const char *IPADDR::get_address(char *outputbuf, int outlen)
179 #if defined(HAVE_INET_NTOP) && defined(HAVE_IPV6)
180 inet_ntop(saddr->sa_family, saddr->sa_family == AF_INET ?
181 (void*)&(saddr4->sin_addr) : (void*)&(saddr6->sin6_addr),
184 bstrncpy(outputbuf, inet_ntoa(saddr4->sin_addr), outlen);
189 const char *IPADDR::build_address_str(char *buf, int blen)
192 bsnprintf(buf, blen, "host[%s:%s:%hu] ",
193 get_family() == AF_INET ? "ipv4" : "ipv6",
194 get_address(tmp, sizeof(tmp) - 1), get_port_host_order());
198 const char *build_addresses_str(dlist *addrs, char *buf, int blen)
200 if (addrs->size() == 0) {
201 bstrncpy(buf, "", blen);
206 foreach_dlist(p, addrs) {
208 int len = bsnprintf(work, blen, "%s", p->build_address_str(tmp, sizeof(tmp)));
217 const char *get_first_address(dlist * addrs, char *outputbuf, int outlen)
219 return ((IPADDR *)(addrs->first()))->get_address(outputbuf, outlen);
222 int get_first_port_net_order(dlist * addrs)
224 return ((IPADDR *)(addrs->first()))->get_port_net_order();
227 int get_first_port_host_order(dlist * addrs)
229 return ((IPADDR *)(addrs->first()))->get_port_host_order();
232 void init_default_addresses(dlist **out, int port)
235 unsigned short sport = port;
236 if (!add_address(out, IPADDR::R_DEFAULT, htons(sport), AF_INET, 0, 0, &errstr)) {
237 Emsg1(M_ERROR_TERM, 0, _("Can't add default address (%s)\n"), errstr);
242 static int add_address(dlist **out, IPADDR::i_type type, unsigned short defaultport, int family,
243 const char *hostname_str, const char *port_str, char **errstr)
249 IPADDR::i_type intype = type;
251 dlist *addrs = (dlist *)(*(out));
254 addrs = *out = New(dlist(tmp, &tmp->link));
257 type = (type == IPADDR::R_SINGLE_PORT
258 || type == IPADDR::R_SINGLE_ADDR) ? IPADDR::R_SINGLE : type;
259 if (type != IPADDR::R_DEFAULT) {
261 foreach_dlist(iaddr, addrs) {
262 if (iaddr->get_type() == IPADDR::R_DEFAULT) {
264 } else if (iaddr->get_type() != type) {
265 *errstr = (char *)malloc(1024);
266 bsnprintf(*errstr, 1023,
267 "the old style addresses cannot be mixed with new style");
278 if (!port_str || port_str[0] == '\0') {
281 int pnum = atol(port_str);
282 if (0 < pnum && pnum < 0xffff) {
285 struct servent *s = getservbyname(port_str, "tcp");
289 *errstr = (char *)malloc(1024);
290 bsnprintf(*errstr, 1023, "can't resolve service(%s)", port_str);
296 const char *myerrstr;
297 hostaddrs = bnet_host2ipaddrs(hostname_str, family, &myerrstr);
299 *errstr = (char *)malloc(1024);
300 bsnprintf(*errstr, 1023, "can't resolve hostname(%s) %s", hostname_str,
305 if (intype == IPADDR::R_SINGLE_PORT || intype == IPADDR::R_SINGLE_ADDR) {
308 addr = (IPADDR *)addrs->first();
310 addr = New(IPADDR(family));
311 addr->set_type(type);
312 addr->set_port_net(defaultport);
313 addr->set_addr_any();
316 if (intype == IPADDR::R_SINGLE_PORT) {
317 addr->set_port_net(port);
319 if (intype == IPADDR::R_SINGLE_ADDR) {
320 addr->copy_addr((IPADDR *) (hostaddrs->first()));
323 foreach_dlist(iaddr, hostaddrs) {
326 foreach_dlist(jaddr, addrs) {
327 if (iaddr->get_sockaddr_len() == jaddr->get_sockaddr_len() &&
328 !memcmp(iaddr->get_sockaddr(), jaddr->get_sockaddr(),
329 iaddr->get_sockaddr_len()))
331 goto skip; /* no price */
334 clone = New(IPADDR(*iaddr));
335 clone->set_type(type);
336 clone->set_port_net(port);
337 addrs->append(clone);
342 free_addresses(hostaddrs);
349 * = { ip = { addr = 1.2.3.4; port = 1205; } ipv4 = { addr = 1.2.3.4; port = http; } }
351 * addr = 1.2.3.4; port = 1205; }
353 * addr = 1.2.3.4; port = http; }
366 * addr = 2001:220:222::2
369 * addr = bluedot.thun.net
374 * = { ipv4 { addr = doof.nowaytoheavenxyz.uhu; } }
375 * = { ipv4 { port = 4711 } }
377 void store_addresses(LEX * lc, RES_ITEM * item, int index, int pass)
380 enum { EMPTYLINE = 0, PORTLINE = 0x1, ADDRLINE = 0x2 } next_line = EMPTYLINE;
382 char hostname_str[1024];
387 token = lex_get_token(lc, T_SKIP_EOL);
388 if (token != T_BOB) {
389 scan_err1(lc, _("Expected a block begin { , got: %s"), lc->str);
392 token = lex_get_token(lc, T_SKIP_EOL);
393 if (token == T_EOB) {
394 scan_err0(lc, _("Empty addr block is not allowed"));
397 if (!(token == T_UNQUOTED_STRING || token == T_IDENTIFIER)) {
398 scan_err1(lc, _("Expected a string, got: %s"), lc->str);
400 if (strcasecmp("ip", lc->str) == 0 || strcasecmp("ipv4", lc->str) == 0) {
404 else if (strcasecmp("ipv6", lc->str) == 0) {
407 scan_err1(lc, _("Expected a string [ip|ipv4|ipv6], got: %s"), lc->str);
411 scan_err1(lc, _("Expected a string [ip|ipv4], got: %s"), lc->str);
414 token = lex_get_token(lc, T_SKIP_EOL);
415 if (token != T_EQUALS) {
416 scan_err1(lc, _("Expected a equal =, got: %s"), lc->str);
418 token = lex_get_token(lc, T_SKIP_EOL);
419 if (token != T_BOB) {
420 scan_err1(lc, _("Expected a block beginn { , got: %s"), lc->str);
422 token = lex_get_token(lc, T_SKIP_EOL);
424 port_str[0] = hostname_str[0] = '\0';
426 if (token != T_IDENTIFIER) {
427 scan_err1(lc, _("Expected a identifier [addr|port], got: %s"), lc->str);
429 if (strcasecmp("port", lc->str) == 0) {
430 next_line = PORTLINE;
431 if (exist & PORTLINE) {
432 scan_err0(lc, _("Only one port per address block"));
435 } else if (strcasecmp("addr", lc->str) == 0) {
436 next_line = ADDRLINE;
437 if (exist & ADDRLINE) {
438 scan_err0(lc, _("Only one addr per address block"));
442 scan_err1(lc, _("Expected a identifier [addr|port], got: %s"), lc->str);
444 token = lex_get_token(lc, T_SKIP_EOL);
445 if (token != T_EQUALS) {
446 scan_err1(lc, _("Expected a equal =, got: %s"), lc->str);
448 token = lex_get_token(lc, T_SKIP_EOL);
452 (token == T_UNQUOTED_STRING || token == T_NUMBER
453 || token == T_IDENTIFIER)) {
454 scan_err1(lc, _("Expected a number or a string, got: %s"), lc->str);
456 bstrncpy(port_str, lc->str, sizeof(port_str));
459 if (!(token == T_UNQUOTED_STRING || token == T_IDENTIFIER)) {
460 scan_err1(lc, _("Expected an IP number or a hostname, got: %s"),
463 bstrncpy(hostname_str, lc->str, sizeof(hostname_str));
466 scan_err0(lc, _("State machine missmatch"));
469 token = lex_get_token(lc, T_SKIP_EOL);
470 } while (token == T_IDENTIFIER);
471 if (token != T_EOB) {
472 scan_err1(lc, _("Expected a end of block }, got: %s"), lc->str);
476 if (pass == 1 && !add_address((dlist **)(item->value), IPADDR::R_MULTIPLE,
477 htons(item->default_value), family, hostname_str, port_str, &errstr)) {
478 scan_err3(lc, _("Can't add hostname(%s) and port(%s) to addrlist (%s)"),
479 hostname_str, port_str, errstr);
482 token = scan_to_next_not_eol(lc);
483 } while ((token == T_IDENTIFIER || token == T_UNQUOTED_STRING));
484 if (token != T_EOB) {
485 scan_err1(lc, _("Expected a end of block }, got: %s"), lc->str);
489 void store_addresses_address(LEX * lc, RES_ITEM * item, int index, int pass)
492 int token = lex_get_token(lc, T_SKIP_EOL);
493 if (!(token == T_UNQUOTED_STRING || token == T_NUMBER || token == T_IDENTIFIER)) {
494 scan_err1(lc, _("Expected a hostname or IP nummer, got: %s"), lc->str);
497 if (pass == 1 && !add_address((dlist **) (item->value), IPADDR::R_SINGLE_ADDR,
498 htons(item->default_value), AF_INET, lc->str, 0, &errstr)) {
499 scan_err2(lc, _("can't add port (%s) to (%s)"), lc->str, errstr);
504 void store_addresses_port(LEX * lc, RES_ITEM * item, int index, int pass)
506 int token = lex_get_token(lc, T_SKIP_EOL);
507 if (!(token == T_UNQUOTED_STRING || token == T_NUMBER || token == T_IDENTIFIER)) {
508 scan_err1(lc, _("Expected a port number or string, got: %s"), lc->str);
511 if (pass == 1 && !add_address((dlist **)(item->value), IPADDR::R_SINGLE_PORT,
512 htons(item->default_value), AF_INET, 0, lc->str, &errstr)) {
513 scan_err2(lc, _("can't add port (%s) to (%s)"), lc->str, errstr);
518 void free_addresses(dlist * addrs)
520 while (!addrs->empty()) {
521 IPADDR *ptr = (IPADDR*)addrs->first();
528 int sockaddr_get_port_net_order(const struct sockaddr *client_addr)
530 if (client_addr->sa_family == AF_INET) {
531 return ((struct sockaddr_in *)client_addr)->sin_port;
535 return ((struct sockaddr_in6 *)client_addr)->sin6_port;
541 int sockaddr_to_ascii(const struct sockaddr *sa, char *buf, int len)
543 #ifdef HAVE_INET_NTOP
544 /* MA Bug 5 the problem was that i mixed up sockaddr and in_addr */
545 inet_ntop(sa->sa_family,
546 sa->sa_family == AF_INET ?
547 (void*)&(((struct sockaddr_in*)sa)->sin_addr) :
548 (void*)&(((struct sockaddr_in6*)sa)->sin6_addr),
551 bstrncpy(buf, inet_ntoa(((struct sockaddr_in *)sa)->sin_addr), len);