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psyced/utility/erq/erq-srv.patch

100 lines
3 KiB
Diff

Index: erq.c
===================================================================
--- erq.c (revision 2308)
+++ erq.c (working copy)
@@ -108,6 +108,7 @@
#endif
#include "erq.h"
+#include "srv.c"
#define randomize_tickets(n) srandom(n)
#define get_ticket() random()
@@ -1172,7 +1173,75 @@
break;
}
#endif /* ERQ_RLOOKUPV6 */
+#ifdef ERQ_LOOKUP_SRV
+ case ERQ_LOOKUP_SRV:
+ {
+ /* lookup list of srv records */
+ struct srvhost * r;
+ struct srvhost * s;
+ char service[50], proto[20], hostname[200];
+ int counter;
+ char srvbuf[MAX_REPLY];
+
+ header[8] = CHILD_FREE;
+ counter = 0;
+ srvbuf[0] = '\0';
+ // TODO: sscanf this from req string
+ // format: <service>.<proto>.<hostname>
+ // example: _psyc._tcp.ve.symlynX.com
+ // getsrv(hostname, service, proto)
+ memcpy(header + 9, buf, msglen);
+ buf[msglen] = '\0';
+ sscanf(buf, "%49[^.].%19[^.].%199s", service, proto, hostname);
+#if ERQ_DEBUG > 0
+ fprintf(stderr, "%s: ERQ_LOOKUP_SRV '%s', %s,%s,%s\n", time_stamp(), buf, service, proto, hostname);
+#endif
+ r = getsrv(hostname, service, proto);
+ if (!r) {
+ /* lookup failed, send empty message*/
+ write_32(header, 8);
+ write1(header, 9);
+#if ERQ_DEBUG > 0
+ fprintf(stderr, "%s: ERQ_LOOKUP_SRV could not srv_resolve '%s'\n", time_stamp(), buf);
+#endif
+ break;
+ } else {
+ s = r;
+ while (s) {
+ /* walk list of structures */
+ /* important members: name, port, pref, weight */
+ if (strlen(srvbuf) < MAX_REPLY - 1) {
+ strncat(srvbuf, s -> name, MAX_REPLY - strlen(srvbuf));
+ strncat(srvbuf, "\n", MAX_REPLY - strlen(srvbuf));
+
+
+ if (strlen(srvbuf) < MAX_REPLY - 1) {
+ snprintf(hostname, MAX_REPLY - 1, "%d%c", s -> port, '\n');
+ strncat(srvbuf, hostname, MAX_REPLY - strlen(srvbuf));
+
+ if (strlen(srvbuf) < MAX_REPLY - 1) {
+ snprintf(hostname, MAX_REPLY - 1, "%d%c", s -> pref, '\n');
+ strncat(srvbuf, hostname, MAX_REPLY - strlen(srvbuf));
+ if (strlen(srvbuf) < MAX_REPLY - 1) {
+ snprintf(hostname, MAX_REPLY - 1, "%d%c", s -> weight, '\n');
+ strncat(srvbuf, hostname, MAX_REPLY - strlen(srvbuf));
+ } else s = NULL;
+ } else s = NULL;
+ } else s = NULL;
+ } else s = NULL;
+
+ s = s -> next;
+ counter++;
+ }
+ freesrvhost(r);
+ }
+ write_32(header, strlen(srvbuf) + 9);
+ write1(header, 9);
+ write1(srvbuf, strlen(srvbuf) + 1);
+ break;
+ }
+#endif /* ERQ_LOOKUP_SRV */
case ERQ_EXECUTE:
{
/* Execute a program, wait for its termination and
Index: erq.h
===================================================================
--- erq.h (revision 2308)
+++ erq.h (working copy)
@@ -21,6 +21,7 @@
#ifdef __IPV6__
#define ERQ_RLOOKUPV6 12 /* Lookup name/ip6 */
#endif
+#define ERQ_LOOKUP_SRV 13
/* Additional service request type flags evaluated by efun send_erq().
* The ERQ itself won't get to see it.