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(&buf, &src.buf, sizeof(buf));
39 saddr4 = &buf.dontuse4;
41 saddr6 = &buf.dontuse6;
45 IPADDR::IPADDR(int af) : type(R_EMPTY)
47 if (!(af == AF_INET6 || af == AF_INET)) {
48 Emsg1(M_ERROR_TERM, 0, _("Only ipv4 and ipv6 are supported(%d)\n"), af);
51 saddr4 = &buf.dontuse4;
53 saddr6 = &buf.dontuse6;
55 saddr->sa_family = af;
57 saddr4->sin_port = 0xffff;
61 saddr6->sin6_port = 0xffff;
66 saddr->sa_len = (af == AF_INET) ? sizeof(sockaddr_in) : sizeof(sockaddr_in6);
68 saddr->sa_len = sizeof(sockaddr_in);
74 void IPADDR::set_type(i_type o)
79 IPADDR::i_type IPADDR::get_type() const
84 unsigned short IPADDR::get_port() const
86 unsigned short port = 0;
87 if (saddr->sa_family == AF_INET) {
88 port = saddr4->sin_port;
92 port = saddr6->sin6_port;
98 void IPADDR::set_port(unsigned short port)
100 if (saddr->sa_family == AF_INET) {
101 saddr4->sin_port = port;
105 saddr6->sin6_port = port;
110 int IPADDR::get_family() const
112 return saddr->sa_family;
115 struct sockaddr *IPADDR::get_sockaddr()
120 int IPADDR::get_sockaddr_len()
123 return saddr->sa_family == AF_INET ? sizeof(*saddr4) : sizeof(*saddr6);
125 return sizeof(*saddr4);
128 void IPADDR::copy_addr(IPADDR *src)
130 if (saddr->sa_family == AF_INET) {
131 saddr4->sin_addr.s_addr = src->saddr4->sin_addr.s_addr;
135 saddr6->sin6_addr = src->saddr6->sin6_addr;
140 void IPADDR::set_addr_any()
142 if (saddr->sa_family == AF_INET) {
143 saddr4->sin_addr.s_addr = INADDR_ANY;
147 saddr6->sin6_addr= in6addr_any;
152 void IPADDR::set_addr4(struct in_addr *ip4)
154 if (saddr->sa_family != AF_INET) {
155 Emsg1(M_ERROR_TERM, 0, _("It was tried to assign a ipv6 address to a ipv4(%d)\n"), saddr->sa_family);
157 saddr4->sin_addr = *ip4;
161 void IPADDR::set_addr6(struct in6_addr *ip6)
163 if (saddr->sa_family != AF_INET6) {
164 Emsg1(M_ERROR_TERM, 0, _("It was tried to assign a ipv4 address to a ipv6(%d)\n"), saddr->sa_family);
166 saddr6->sin6_addr = *ip6;
170 const char *IPADDR::get_address(char *outputbuf, int outlen)
173 #if defined(HAVE_INET_NTOP) && defined(HAVE_IPV6)
174 inet_ntop(saddr->sa_family, saddr->sa_family == AF_INET ?
175 (void*)&(saddr4->sin_addr) : (void*)&(saddr6->sin6_addr),
178 bstrncpy(outputbuf, inet_ntoa(saddr4->sin_addr), outlen);
183 const char *IPADDR::build_address_str(char *buf, int blen)
186 bsnprintf(buf, blen, "host[%s:%s:%hu] ",
187 get_family() == AF_INET ? "ipv4" : "ipv6",
188 get_address(tmp, sizeof(tmp) - 1), ntohs(get_port()));
192 const char *build_addresses_str(dlist *addrs, char *buf, int blen)
194 if (!addrs->size()) {
195 bstrncpy(buf, "", blen);
200 foreach_dlist(p, addrs) {
202 int len = bsnprintf(work, blen, "%s", p->build_address_str(tmp, sizeof(tmp)));
211 const char *get_first_address(dlist * addrs, char *outputbuf, int outlen)
213 return ((IPADDR *)(addrs->first()))->get_address(outputbuf, outlen);
216 int get_first_port(dlist * addrs)
218 return ntohs(((IPADDR *)(addrs->first()))->get_port());
221 static int skip_to_next_not_eol(LEX * lc)
226 token = lex_get_token(lc, T_ALL);
227 } while (token == T_EOL);
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 could 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(defaultport);
313 addr->set_addr_any();
316 if (intype == IPADDR::R_SINGLE_PORT) {
317 addr->set_port(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(port);
337 addrs->append(clone);
342 free_addresses(hostaddrs);
346 void store_addresses(LEX * lc, RES_ITEM * item, int index, int pass)
349 enum { EMPTYLINE = 0, PORTLINE = 0x1, ADDRLINE = 0x2 } next_line = EMPTYLINE;
351 char hostname_str[1024];
356 * = { [[ip|ipv4|ipv6] = { [[addr|port] = [^ ]+[\n;]+] }]+ }
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 } }
388 token = skip_to_next_not_eol(lc);
389 if (token != T_BOB) {
390 scan_err1(lc, _("Expected a block begin { , got: %s"), lc->str);
393 token = skip_to_next_not_eol(lc);
394 if (token == T_EOB) {
395 scan_err0(lc, _("Empty addr block is not allowed"));
398 if (!(token == T_UNQUOTED_STRING || token == T_IDENTIFIER)) {
399 scan_err1(lc, _("Expected a string, got: %s"), lc->str);
401 if (!strcmp("ip", lc->str) || !strcmp("ipv4", lc->str)) {
405 else if (!strcmp("ipv6", lc->str)) {
410 scan_err1(lc, _("Expected a string [ip|ipv4|ipv6], got: %s"), lc->str);
412 token = skip_to_next_not_eol(lc);
413 if (token != T_EQUALS) {
414 scan_err1(lc, _("Expected a equal =, got: %s"), lc->str);
416 token = skip_to_next_not_eol(lc);
417 if (token != T_BOB) {
418 scan_err1(lc, _("Expected a block beginn { , got: %s"), lc->str);
420 token = skip_to_next_not_eol(lc);
422 port_str[0] = hostname_str[0] = '\0';
424 if (token != T_IDENTIFIER) {
425 scan_err1(lc, _("Expected a identifier [addr|port], got: %s"), lc->str);
427 if (!strcmp("port", lc->str)) {
428 next_line = PORTLINE;
429 if (exist & PORTLINE) {
430 scan_err0(lc, _("Only one port per address block"));
433 } else if (!strcmp("addr", lc->str)) {
434 next_line = ADDRLINE;
435 if (exist & ADDRLINE) {
436 scan_err0(lc, _("Only one addr per address block"));
440 scan_err1(lc, _("Expected a identifier [addr|port], got: %s"), lc->str);
442 token = lex_get_token(lc, T_ALL);
443 if (token != T_EQUALS) {
444 scan_err1(lc, _("Expected a equal =, got: %s"), lc->str);
446 token = lex_get_token(lc, T_ALL);
450 (token == T_UNQUOTED_STRING || token == T_NUMBER
451 || token == T_IDENTIFIER)) {
452 scan_err1(lc, _("Expected a number or a string, got: %s"), lc->str);
454 bstrncpy(port_str, lc->str, sizeof(port_str));
457 if (!(token == T_UNQUOTED_STRING || token == T_IDENTIFIER)) {
458 scan_err1(lc, _("Expected a ipnumber or a hostname, got: %s"),
461 bstrncpy(hostname_str, lc->str, sizeof(hostname_str));
464 scan_err0(lc, _("Statemachine missmatch"));
467 token = skip_to_next_not_eol(lc);
468 } while (token == T_IDENTIFIER);
469 if (token != T_EOB) {
470 scan_err1(lc, _("Expected a end of block }, got: %s"), lc->str);
474 if (!add_address((dlist **)(item->value), IPADDR::R_MULTIPLE,
475 htons(item->default_value), family, hostname_str, port_str, &errstr)) {
476 scan_err3(lc, _("Can't add hostname(%s) and port(%s) to addrlist (%s)"),
477 hostname_str, port_str, errstr);
480 token = skip_to_next_not_eol(lc);
481 } while ((token == T_IDENTIFIER || token == T_UNQUOTED_STRING));
482 if (token != T_EOB) {
483 scan_err1(lc, _("Expected a end of block }, got: %s"), lc->str);
487 void store_addresses_address(LEX * lc, RES_ITEM * item, int index, int pass)
489 int token = lex_get_token(lc, T_ALL);
490 if (!(token == T_UNQUOTED_STRING || token == T_NUMBER || token == T_IDENTIFIER)) {
491 scan_err1(lc, _("Expected a hostname or ipnummer, got: %s"), lc->str);
494 if (!add_address((dlist **) (item->value), IPADDR::R_SINGLE_ADDR,
495 htons(item->default_value), AF_INET, lc->str, 0, &errstr)) {
496 scan_err2(lc, _("can't add port (%s) to (%s)"), lc->str, errstr);
501 void store_addresses_port(LEX * lc, RES_ITEM * item, int index, int pass)
503 int token = lex_get_token(lc, T_ALL);
504 if (!(token == T_UNQUOTED_STRING || token == T_NUMBER || token == T_IDENTIFIER)) {
505 scan_err1(lc, _("Expected a port nummer or string, got: %s"), lc->str);
508 if (!add_address((dlist **)(item->value), IPADDR::R_SINGLE_PORT,
509 htons(item->default_value), AF_INET, 0, lc->str, &errstr)) {
510 scan_err2(lc, _("can't add port (%s) to (%s)"), lc->str, errstr);
515 void free_addresses(dlist * addrs)
517 while (!addrs->empty()) {
518 IPADDR *ptr = (IPADDR*)addrs->first();