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Merge "Add support for older name resolving version libraries like openBSD" into 14

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changes/90/4490/1
zuul 9 years ago committed by Gerrit Code Review
parent 34a763415f 729f1b63e2
commit bba4204fa1
5 changed files with 39 additions and 38 deletions
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2
main/dns.c
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@ -557,7 +557,7 @@ enum ast_dns_search_result ast_search_dns_ex(void *context, const char *dname, i
if (dns_response_len < 0) { if (dns_response_len < 0) {
ast_debug(1, "DNS search failed for %s\n", dname); ast_debug(1, "DNS search failed for %s\n", dname);
response_handler(context, (unsigned char *)"", 0, ns_r_nxdomain); response_handler(context, (unsigned char *)"", 0, NXDOMAIN);
return AST_DNS_SEARCH_FAILURE; return AST_DNS_SEARCH_FAILURE;
} }

22
main/dns_core.c
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@ -114,7 +114,7 @@ int ast_dns_result_get_lowest_ttl(const struct ast_dns_result *result)
int ttl = 0; int ttl = 0;
const struct ast_dns_record *record; const struct ast_dns_record *record;
if (ast_dns_result_get_rcode(result) == ns_r_nxdomain) { if (ast_dns_result_get_rcode(result) == NXDOMAIN) {
return 0; return 0;
} }
@ -197,7 +197,7 @@ struct ast_dns_query *dns_query_alloc(const char *name, int rr_type, int rr_clas
if (ast_strlen_zero(name)) { if (ast_strlen_zero(name)) {
ast_log(LOG_WARNING, "Could not perform asynchronous resolution, no name provided\n"); ast_log(LOG_WARNING, "Could not perform asynchronous resolution, no name provided\n");
return NULL; return NULL;
} else if (rr_type > ns_t_max) { } else if (rr_type > 65536) {
ast_log(LOG_WARNING, "Could not perform asynchronous resolution of '%s', resource record type '%d' exceeds maximum\n", ast_log(LOG_WARNING, "Could not perform asynchronous resolution of '%s', resource record type '%d' exceeds maximum\n",
name, rr_type); name, rr_type);
return NULL; return NULL;
@ -205,7 +205,7 @@ struct ast_dns_query *dns_query_alloc(const char *name, int rr_type, int rr_clas
ast_log(LOG_WARNING, "Could not perform asynchronous resolution of '%s', invalid resource record type '%d'\n", ast_log(LOG_WARNING, "Could not perform asynchronous resolution of '%s', invalid resource record type '%d'\n",
name, rr_type); name, rr_type);
return NULL; return NULL;
} else if (rr_class > ns_c_max) { } else if (rr_class > 65536) {
ast_log(LOG_WARNING, "Could not perform asynchronous resolution of '%s', resource record class '%d' exceeds maximum\n", ast_log(LOG_WARNING, "Could not perform asynchronous resolution of '%s', resource record class '%d' exceeds maximum\n",
name, rr_class); name, rr_class);
return NULL; return NULL;
@ -319,7 +319,7 @@ int ast_dns_resolve(const char *name, int rr_type, int rr_class, struct ast_dns_
if (ast_strlen_zero(name)) { if (ast_strlen_zero(name)) {
ast_log(LOG_WARNING, "Could not perform synchronous resolution, no name provided\n"); ast_log(LOG_WARNING, "Could not perform synchronous resolution, no name provided\n");
return -1; return -1;
} else if (rr_type > ns_t_max) { } else if (rr_type > 65536) {
ast_log(LOG_WARNING, "Could not perform synchronous resolution of '%s', resource record type '%d' exceeds maximum\n", ast_log(LOG_WARNING, "Could not perform synchronous resolution of '%s', resource record type '%d' exceeds maximum\n",
name, rr_type); name, rr_type);
return -1; return -1;
@ -327,7 +327,7 @@ int ast_dns_resolve(const char *name, int rr_type, int rr_class, struct ast_dns_
ast_log(LOG_WARNING, "Could not perform synchronous resolution of '%s', invalid resource record type '%d'\n", ast_log(LOG_WARNING, "Could not perform synchronous resolution of '%s', invalid resource record type '%d'\n",
name, rr_type); name, rr_type);
return -1; return -1;
} else if (rr_class > ns_c_max) { } else if (rr_class > 65536) {
ast_log(LOG_WARNING, "Could not perform synchronous resolution of '%s', resource record class '%d' exceeds maximum\n", ast_log(LOG_WARNING, "Could not perform synchronous resolution of '%s', resource record class '%d' exceeds maximum\n",
name, rr_class); name, rr_class);
return -1; return -1;
@ -445,8 +445,8 @@ static struct ast_dns_record *generic_record_alloc(struct ast_dns_query *query,
typedef struct ast_dns_record *(*dns_alloc_fn)(struct ast_dns_query *query, const char *data, const size_t size); typedef struct ast_dns_record *(*dns_alloc_fn)(struct ast_dns_query *query, const char *data, const size_t size);
static dns_alloc_fn dns_alloc_table [] = { static dns_alloc_fn dns_alloc_table [] = {
[ns_t_naptr] = dns_naptr_alloc, [T_NAPTR] = dns_naptr_alloc,
[ns_t_srv] = dns_srv_alloc, [T_SRV] = dns_srv_alloc,
}; };
static struct ast_dns_record *allocate_dns_record(int rr_type, struct ast_dns_query *query, const char *data, const size_t size) static struct ast_dns_record *allocate_dns_record(int rr_type, struct ast_dns_query *query, const char *data, const size_t size)
@ -464,7 +464,7 @@ int ast_dns_resolver_add_record(struct ast_dns_query *query, int rr_type, int rr
ast_debug(2, "Query '%p': Could not add record, invalid resource record type '%d'\n", ast_debug(2, "Query '%p': Could not add record, invalid resource record type '%d'\n",
query, rr_type); query, rr_type);
return -1; return -1;
} else if (rr_type > ns_t_max) { } else if (rr_type > 65536) {
ast_debug(2, "Query '%p': Could not add record, resource record type '%d' exceeds maximum\n", ast_debug(2, "Query '%p': Could not add record, resource record type '%d' exceeds maximum\n",
query, rr_type); query, rr_type);
return -1; return -1;
@ -472,7 +472,7 @@ int ast_dns_resolver_add_record(struct ast_dns_query *query, int rr_type, int rr
ast_debug(2, "Query '%p': Could not add record, invalid resource record class '%d'\n", ast_debug(2, "Query '%p': Could not add record, invalid resource record class '%d'\n",
query, rr_class); query, rr_class);
return -1; return -1;
} else if (rr_class > ns_c_max) { } else if (rr_class > 65536) {
ast_debug(2, "Query '%p': Could not add record, resource record class '%d' exceeds maximum\n", ast_debug(2, "Query '%p': Could not add record, resource record class '%d' exceeds maximum\n",
query, rr_class); query, rr_class);
return -1; return -1;
@ -509,8 +509,8 @@ int ast_dns_resolver_add_record(struct ast_dns_query *query, int rr_type, int rr
typedef void (*dns_sort_fn)(struct ast_dns_result *result); typedef void (*dns_sort_fn)(struct ast_dns_result *result);
static dns_sort_fn dns_sort_table [] = { static dns_sort_fn dns_sort_table [] = {
[ns_t_naptr] = dns_naptr_sort, [T_NAPTR] = dns_naptr_sort,
[ns_t_srv] = dns_srv_sort, [T_SRV] = dns_srv_sort,
}; };
static void sort_result(int rr_type, struct ast_dns_result *result) static void sort_result(int rr_type, struct ast_dns_result *result)

13
main/dns_naptr.c
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@ -32,6 +32,7 @@
ASTERISK_REGISTER_FILE() ASTERISK_REGISTER_FILE()
#include <arpa/nameser.h> #include <arpa/nameser.h>
#include <netinet/in.h>
#include <resolv.h> #include <resolv.h>
#include <regex.h> #include <regex.h>
@ -592,7 +593,7 @@ const char *ast_dns_naptr_get_flags(const struct ast_dns_record *record)
{ {
struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record; struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record;
ast_assert(ast_dns_record_get_rr_type(record) == ns_t_naptr); ast_assert(ast_dns_record_get_rr_type(record) == T_NAPTR);
return naptr->flags; return naptr->flags;
} }
@ -600,7 +601,7 @@ const char *ast_dns_naptr_get_service(const struct ast_dns_record *record)
{ {
struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record; struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record;
ast_assert(ast_dns_record_get_rr_type(record) == ns_t_naptr); ast_assert(ast_dns_record_get_rr_type(record) == T_NAPTR);
return naptr->service; return naptr->service;
} }
@ -608,7 +609,7 @@ const char *ast_dns_naptr_get_regexp(const struct ast_dns_record *record)
{ {
struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record; struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record;
ast_assert(ast_dns_record_get_rr_type(record) == ns_t_naptr); ast_assert(ast_dns_record_get_rr_type(record) == T_NAPTR);
return naptr->regexp; return naptr->regexp;
} }
@ -616,7 +617,7 @@ const char *ast_dns_naptr_get_replacement(const struct ast_dns_record *record)
{ {
struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record; struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record;
ast_assert(ast_dns_record_get_rr_type(record) == ns_t_naptr); ast_assert(ast_dns_record_get_rr_type(record) == T_NAPTR);
return naptr->replacement; return naptr->replacement;
} }
@ -624,7 +625,7 @@ unsigned short ast_dns_naptr_get_order(const struct ast_dns_record *record)
{ {
struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record; struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record;
ast_assert(ast_dns_record_get_rr_type(record) == ns_t_naptr); ast_assert(ast_dns_record_get_rr_type(record) == T_NAPTR);
return naptr->order; return naptr->order;
} }
@ -632,6 +633,6 @@ unsigned short ast_dns_naptr_get_preference(const struct ast_dns_record *record)
{ {
struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record; struct ast_dns_naptr_record *naptr = (struct ast_dns_naptr_record *) record;
ast_assert(ast_dns_record_get_rr_type(record) == ns_t_naptr); ast_assert(ast_dns_record_get_rr_type(record) == T_NAPTR);
return naptr->preference; return naptr->preference;
} }

8
main/dns_srv.c
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@ -185,7 +185,7 @@ const char *ast_dns_srv_get_host(const struct ast_dns_record *record)
{ {
struct ast_dns_srv_record *srv = (struct ast_dns_srv_record *) record; struct ast_dns_srv_record *srv = (struct ast_dns_srv_record *) record;
ast_assert(ast_dns_record_get_rr_type(record) == ns_t_srv); ast_assert(ast_dns_record_get_rr_type(record) == T_SRV);
return srv->host; return srv->host;
} }
@ -193,7 +193,7 @@ unsigned short ast_dns_srv_get_priority(const struct ast_dns_record *record)
{ {
struct ast_dns_srv_record *srv = (struct ast_dns_srv_record *) record; struct ast_dns_srv_record *srv = (struct ast_dns_srv_record *) record;
ast_assert(ast_dns_record_get_rr_type(record) == ns_t_srv); ast_assert(ast_dns_record_get_rr_type(record) == T_SRV);
return srv->priority; return srv->priority;
} }
@ -201,7 +201,7 @@ unsigned short ast_dns_srv_get_weight(const struct ast_dns_record *record)
{ {
struct ast_dns_srv_record *srv = (struct ast_dns_srv_record *) record; struct ast_dns_srv_record *srv = (struct ast_dns_srv_record *) record;
ast_assert(ast_dns_record_get_rr_type(record) == ns_t_srv); ast_assert(ast_dns_record_get_rr_type(record) == T_SRV);
return srv->weight; return srv->weight;
} }
@ -209,6 +209,6 @@ unsigned short ast_dns_srv_get_port(const struct ast_dns_record *record)
{ {
struct ast_dns_srv_record *srv = (struct ast_dns_srv_record *) record; struct ast_dns_srv_record *srv = (struct ast_dns_srv_record *) record;
ast_assert(ast_dns_record_get_rr_type(record) == ns_t_srv); ast_assert(ast_dns_record_get_rr_type(record) == T_SRV);
return srv->port; return srv->port;
} }

32
res/res_pjsip/pjsip_resolver.c
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@ -253,7 +253,7 @@ static int sip_resolve_handle_naptr(struct sip_resolve *resolve, const struct as
return -1; return -1;
} }
return sip_resolve_add(resolve, ast_dns_naptr_get_replacement(record), ns_t_srv, ns_c_in, return sip_resolve_add(resolve, ast_dns_naptr_get_replacement(record), T_SRV, C_IN,
transport, 0); transport, 0);
} }
@ -304,12 +304,12 @@ static void sip_resolve_callback(const struct ast_dns_query_set *query_set)
target = AST_VECTOR_GET_ADDR(&resolving, idx); target = AST_VECTOR_GET_ADDR(&resolving, idx);
for (record = ast_dns_result_get_records(result); record; record = ast_dns_record_get_next(record)) { for (record = ast_dns_result_get_records(result); record; record = ast_dns_record_get_next(record)) {
if (ast_dns_record_get_rr_type(record) == ns_t_a || if (ast_dns_record_get_rr_type(record) == T_A ||
ast_dns_record_get_rr_type(record) == ns_t_aaaa) { ast_dns_record_get_rr_type(record) == T_AAAA) {
/* If NAPTR or SRV records exist the subsequent results from them take preference */ /* If NAPTR or SRV records exist the subsequent results from them take preference */
if (have_naptr || have_srv) { if (have_naptr || have_srv) {
ast_debug(2, "[%p] %s record being skipped on target '%s' because NAPTR or SRV record exists\n", ast_debug(2, "[%p] %s record being skipped on target '%s' because NAPTR or SRV record exists\n",
resolve, ast_dns_record_get_rr_type(record) == ns_t_a ? "A" : "AAAA", resolve, ast_dns_record_get_rr_type(record) == T_A ? "A" : "AAAA",
ast_dns_query_get_name(query)); ast_dns_query_get_name(query));
continue; continue;
} }
@ -322,7 +322,7 @@ static void sip_resolve_callback(const struct ast_dns_query_set *query_set)
resolve->addresses.entry[address_count].type = target->transport; resolve->addresses.entry[address_count].type = target->transport;
/* Populate address information for the new address entry */ /* Populate address information for the new address entry */
if (ast_dns_record_get_rr_type(record) == ns_t_a) { if (ast_dns_record_get_rr_type(record) == T_A) {
ast_debug(2, "[%p] A record received on target '%s'\n", resolve, ast_dns_query_get_name(query)); ast_debug(2, "[%p] A record received on target '%s'\n", resolve, ast_dns_query_get_name(query));
resolve->addresses.entry[address_count].addr_len = sizeof(pj_sockaddr_in); resolve->addresses.entry[address_count].addr_len = sizeof(pj_sockaddr_in);
pj_sockaddr_init(pj_AF_INET(), &resolve->addresses.entry[address_count].addr, NULL, pj_sockaddr_init(pj_AF_INET(), &resolve->addresses.entry[address_count].addr, NULL,
@ -338,7 +338,7 @@ static void sip_resolve_callback(const struct ast_dns_query_set *query_set)
} }
address_count++; address_count++;
} else if (ast_dns_record_get_rr_type(record) == ns_t_srv) { } else if (ast_dns_record_get_rr_type(record) == T_SRV) {
if (have_naptr) { if (have_naptr) {
ast_debug(2, "[%p] SRV record being skipped on target '%s' because NAPTR record exists\n", ast_debug(2, "[%p] SRV record being skipped on target '%s' because NAPTR record exists\n",
resolve, ast_dns_query_get_name(query)); resolve, ast_dns_query_get_name(query));
@ -350,22 +350,22 @@ static void sip_resolve_callback(const struct ast_dns_query_set *query_set)
/* If an explicit IPv6 target transport has been requested look for only AAAA records */ /* If an explicit IPv6 target transport has been requested look for only AAAA records */
if (target->transport & PJSIP_TRANSPORT_IPV6) { if (target->transport & PJSIP_TRANSPORT_IPV6) {
sip_resolve_add(resolve, ast_dns_srv_get_host(record), ns_t_aaaa, ns_c_in, target->transport, sip_resolve_add(resolve, ast_dns_srv_get_host(record), T_AAAA, C_IN, target->transport,
ast_dns_srv_get_port(record)); ast_dns_srv_get_port(record));
have_srv = 1; have_srv = 1;
} else if (sip_transport_is_available(target->transport + PJSIP_TRANSPORT_IPV6)) { } else if (sip_transport_is_available(target->transport + PJSIP_TRANSPORT_IPV6)) {
sip_resolve_add(resolve, ast_dns_srv_get_host(record), ns_t_aaaa, ns_c_in, target->transport + PJSIP_TRANSPORT_IPV6, sip_resolve_add(resolve, ast_dns_srv_get_host(record), T_AAAA, C_IN, target->transport + PJSIP_TRANSPORT_IPV6,
ast_dns_srv_get_port(record)); ast_dns_srv_get_port(record));
have_srv = 1; have_srv = 1;
} }
if (!(target->transport & PJSIP_TRANSPORT_IPV6) && if (!(target->transport & PJSIP_TRANSPORT_IPV6) &&
sip_transport_is_available(target->transport)) { sip_transport_is_available(target->transport)) {
sip_resolve_add(resolve, ast_dns_srv_get_host(record), ns_t_a, ns_c_in, target->transport, sip_resolve_add(resolve, ast_dns_srv_get_host(record), T_A, C_IN, target->transport,
ast_dns_srv_get_port(record)); ast_dns_srv_get_port(record));
have_srv = 1; have_srv = 1;
} }
} else if (ast_dns_record_get_rr_type(record) == ns_t_naptr) { } else if (ast_dns_record_get_rr_type(record) == T_NAPTR) {
int added = -1; int added = -1;
ast_debug(2, "[%p] NAPTR record received on target '%s'\n", resolve, ast_dns_query_get_name(query)); ast_debug(2, "[%p] NAPTR record received on target '%s'\n", resolve, ast_dns_query_get_name(query));
@ -561,39 +561,39 @@ static void sip_resolve(pjsip_resolver_t *resolver, pj_pool_t *pool, const pjsip
* explicitly and only looks for IPv6 records. * explicitly and only looks for IPv6 records.
*/ */
res |= sip_resolve_add(resolve, host, ns_t_naptr, ns_c_in, type, 0); res |= sip_resolve_add(resolve, host, T_NAPTR, C_IN, type, 0);
if (type == PJSIP_TRANSPORT_UNSPECIFIED || if (type == PJSIP_TRANSPORT_UNSPECIFIED ||
(type == PJSIP_TRANSPORT_TLS && sip_transport_is_available(PJSIP_TRANSPORT_TLS)) || (type == PJSIP_TRANSPORT_TLS && sip_transport_is_available(PJSIP_TRANSPORT_TLS)) ||
(type == PJSIP_TRANSPORT_TLS6 && sip_transport_is_available(PJSIP_TRANSPORT_TLS6))) { (type == PJSIP_TRANSPORT_TLS6 && sip_transport_is_available(PJSIP_TRANSPORT_TLS6))) {
snprintf(srv, sizeof(srv), "_sips._tcp.%s", host); snprintf(srv, sizeof(srv), "_sips._tcp.%s", host);
res |= sip_resolve_add(resolve, srv, ns_t_srv, ns_c_in, res |= sip_resolve_add(resolve, srv, T_SRV, C_IN,
type == PJSIP_TRANSPORT_UNSPECIFIED ? PJSIP_TRANSPORT_TLS : type, 0); type == PJSIP_TRANSPORT_UNSPECIFIED ? PJSIP_TRANSPORT_TLS : type, 0);
} }
if (type == PJSIP_TRANSPORT_UNSPECIFIED || if (type == PJSIP_TRANSPORT_UNSPECIFIED ||
(type == PJSIP_TRANSPORT_TCP && sip_transport_is_available(PJSIP_TRANSPORT_TCP)) || (type == PJSIP_TRANSPORT_TCP && sip_transport_is_available(PJSIP_TRANSPORT_TCP)) ||
(type == PJSIP_TRANSPORT_TCP6 && sip_transport_is_available(PJSIP_TRANSPORT_TCP6))) { (type == PJSIP_TRANSPORT_TCP6 && sip_transport_is_available(PJSIP_TRANSPORT_TCP6))) {
snprintf(srv, sizeof(srv), "_sip._tcp.%s", host); snprintf(srv, sizeof(srv), "_sip._tcp.%s", host);
res |= sip_resolve_add(resolve, srv, ns_t_srv, ns_c_in, res |= sip_resolve_add(resolve, srv, T_SRV, C_IN,
type == PJSIP_TRANSPORT_UNSPECIFIED ? PJSIP_TRANSPORT_TCP : type, 0); type == PJSIP_TRANSPORT_UNSPECIFIED ? PJSIP_TRANSPORT_TCP : type, 0);
} }
if (type == PJSIP_TRANSPORT_UNSPECIFIED || if (type == PJSIP_TRANSPORT_UNSPECIFIED ||
(type == PJSIP_TRANSPORT_UDP && sip_transport_is_available(PJSIP_TRANSPORT_UDP)) || (type == PJSIP_TRANSPORT_UDP && sip_transport_is_available(PJSIP_TRANSPORT_UDP)) ||
(type == PJSIP_TRANSPORT_UDP6 && sip_transport_is_available(PJSIP_TRANSPORT_UDP6))) { (type == PJSIP_TRANSPORT_UDP6 && sip_transport_is_available(PJSIP_TRANSPORT_UDP6))) {
snprintf(srv, sizeof(srv), "_sip._udp.%s", host); snprintf(srv, sizeof(srv), "_sip._udp.%s", host);
res |= sip_resolve_add(resolve, srv, ns_t_srv, ns_c_in, res |= sip_resolve_add(resolve, srv, T_SRV, C_IN,
type == PJSIP_TRANSPORT_UNSPECIFIED ? PJSIP_TRANSPORT_UDP : type, 0); type == PJSIP_TRANSPORT_UNSPECIFIED ? PJSIP_TRANSPORT_UDP : type, 0);
} }
} }
if ((type == PJSIP_TRANSPORT_UNSPECIFIED && sip_transport_is_available(PJSIP_TRANSPORT_UDP6)) || if ((type == PJSIP_TRANSPORT_UNSPECIFIED && sip_transport_is_available(PJSIP_TRANSPORT_UDP6)) ||
sip_transport_is_available(type + PJSIP_TRANSPORT_IPV6)) { sip_transport_is_available(type + PJSIP_TRANSPORT_IPV6)) {
res |= sip_resolve_add(resolve, host, ns_t_aaaa, ns_c_in, (type == PJSIP_TRANSPORT_UNSPECIFIED ? PJSIP_TRANSPORT_UDP6 : type + PJSIP_TRANSPORT_IPV6), target->addr.port); res |= sip_resolve_add(resolve, host, T_AAAA, C_IN, (type == PJSIP_TRANSPORT_UNSPECIFIED ? PJSIP_TRANSPORT_UDP6 : type + PJSIP_TRANSPORT_IPV6), target->addr.port);
} }
if ((type == PJSIP_TRANSPORT_UNSPECIFIED && sip_transport_is_available(PJSIP_TRANSPORT_UDP)) || if ((type == PJSIP_TRANSPORT_UNSPECIFIED && sip_transport_is_available(PJSIP_TRANSPORT_UDP)) ||
sip_transport_is_available(type)) { sip_transport_is_available(type)) {
res |= sip_resolve_add(resolve, host, ns_t_a, ns_c_in, (type == PJSIP_TRANSPORT_UNSPECIFIED ? PJSIP_TRANSPORT_UDP : type), target->addr.port); res |= sip_resolve_add(resolve, host, T_A, C_IN, (type == PJSIP_TRANSPORT_UNSPECIFIED ? PJSIP_TRANSPORT_UDP : type), target->addr.port);
} }
if (res) { if (res) {

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