- djm@cvs.openbsd.org 2005/02/18 03:05:53
[canohost.c]
better error messages for getnameinfo failures; ok dtucker@
diff --git a/canohost.c b/canohost.c
index e5a6b6b..1c22d47 100644
--- a/canohost.c
+++ b/canohost.c
@@ -12,7 +12,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: canohost.c,v 1.41 2004/07/21 11:51:29 djm Exp $");
+RCSID("$OpenBSD: canohost.c,v 1.42 2005/02/18 03:05:53 djm Exp $");
#include "packet.h"
#include "xmalloc.h"
@@ -231,6 +231,7 @@
struct sockaddr_storage addr;
socklen_t addrlen;
char ntop[NI_MAXHOST];
+ int r;
/* Get IP address of client. */
addrlen = sizeof(addr);
@@ -251,9 +252,10 @@
addrlen = sizeof(struct sockaddr_in6);
/* Get the address in ascii. */
- if (getnameinfo((struct sockaddr *)&addr, addrlen, ntop, sizeof(ntop),
- NULL, 0, flags) != 0) {
- error("get_socket_address: getnameinfo %d failed", flags);
+ if ((r = getnameinfo((struct sockaddr *)&addr, addrlen, ntop,
+ sizeof(ntop), NULL, 0, flags)) != 0) {
+ error("get_socket_address: getnameinfo %d failed: %s", flags,
+ r == EAI_SYSTEM ? strerror(errno) : gai_strerror(r));
return NULL;
}
return xstrdup(ntop);
@@ -329,6 +331,7 @@
struct sockaddr_storage from;
socklen_t fromlen;
char strport[NI_MAXSERV];
+ int r;
/* Get IP address of client. */
fromlen = sizeof(from);
@@ -350,9 +353,10 @@
fromlen = sizeof(struct sockaddr_in6);
/* Return port number. */
- if (getnameinfo((struct sockaddr *)&from, fromlen, NULL, 0,
- strport, sizeof(strport), NI_NUMERICSERV) != 0)
- fatal("get_sock_port: getnameinfo NI_NUMERICSERV failed");
+ if ((r = getnameinfo((struct sockaddr *)&from, fromlen, NULL, 0,
+ strport, sizeof(strport), NI_NUMERICSERV)) != 0)
+ fatal("get_sock_port: getnameinfo NI_NUMERICSERV failed: %s",
+ r == EAI_SYSTEM ? strerror(errno) : gai_strerror(r));
return atoi(strport);
}