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Added OpenSSL support.

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Added win32-specific srv lookup support.
Extend session timeout to 15 seconds.
This commit is contained in:
James Canete
2007-09-05 20:01:24 +00:00
parent c3b8d03096
commit f45380bb23
10 changed files with 463 additions and 24 deletions
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52
src/sock.c
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@@ -19,6 +19,7 @@
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#include <windns.h>
#define snprintf _snprintf
#else
#include <errno.h>
@@ -163,3 +164,54 @@ int sock_connect_error(const sock_t sock)
if (ret < 0) return ret;
return error;
}
void sock_srv_lookup(const char *service, const char *proto, const char *domain, char *resulttarget, int resulttargetlength, int *resultport)
{
int set = 0;
char fulldomain[2048];
snprintf(fulldomain, 2048, "_%s._%s.%s", service, proto, domain);
#ifdef _WIN32
{
HINSTANCE hdnsapi = NULL;
DNS_STATUS (WINAPI * pDnsQuery_A)(PCSTR, WORD, DWORD, PIP4_ARRAY, PDNS_RECORD*, PVOID*);
void (WINAPI * pDnsRecordListFree)(PDNS_RECORD, DNS_FREE_TYPE);
if (hdnsapi = LoadLibrary("dnsapi.dll")) {
pDnsQuery_A = GetProcAddress(hdnsapi, "DnsQuery_A");
pDnsRecordListFree = GetProcAddress(hdnsapi, "DnsRecordListFree");
if (pDnsQuery_A && pDnsRecordListFree) {
PDNS_RECORD dnsrecords = NULL;
if (pDnsQuery_A(fulldomain, DNS_TYPE_SRV, DNS_QUERY_STANDARD, NULL, &dnsrecords, NULL) == 0) {
PDNS_RECORD current = dnsrecords;
while (current) {
if (current->wType == DNS_TYPE_SRV) {
snprintf(resulttarget, resulttargetlength, current->Data.Srv.pNameTarget);
*resultport = current->Data.Srv.wPort;
set = 1;
current = NULL;
} else {
current = current->pNext;
}
}
}
pDnsRecordListFree(dnsrecords, DnsFreeRecordList);
}
/*UnloadLibrary(hdnsapi);*/
}
}
#else
#endif
if (!set)
{
snprintf(resulttarget, resulttargetlength, domain);
*resultport = 5222;
}
}