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-rw-r--r--socket.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/socket.c b/socket.c
index 2ebdfc6a..63b77b59 100644
--- a/socket.c
+++ b/socket.c
@@ -264,6 +264,8 @@ int SockOpen(const char *host, const char *service,
{
struct addrinfo *ai, req;
int i, acterr = 0;
+ int ord;
+ char errbuf[8192] = "";
#ifdef HAVE_SOCKETPAIR
if (plugin)
@@ -285,10 +287,13 @@ int SockOpen(const char *host, const char *service,
return -1;
}
+ /* NOTE a Linux bug here - getaddrinfo will happily return 127.0.0.1
+ * twice if no IPv6 is configured */
i = -1;
- for (ai = *ai0; ai; ai = ai->ai_next) {
- char buf[80],pb[80];
- int gnie;
+ for (ord = 0, ai = *ai0; ai; ord++, ai = ai->ai_next) {
+ char buf[256]; /* hostname */
+ char pb[256]; /* service name */
+ int gnie; /* getnameinfo result code */
gnie = getnameinfo(ai->ai_addr, ai->ai_addrlen, buf, sizeof(buf), NULL, 0, NI_NUMERICHOST);
if (gnie)
@@ -299,14 +304,17 @@ int SockOpen(const char *host, const char *service,
if (outlevel >= O_VERBOSE)
report_build(stdout, GT_("Trying to connect to %s/%s..."), buf, pb);
- i = socket(ai->ai_family, ai->ai_socktype, 0);
+ i = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if (i < 0) {
+ int e = errno;
/* mask EAFNOSUPPORT errors, they confuse users for
* multihomed hosts */
if (errno != EAFNOSUPPORT)
acterr = errno;
if (outlevel >= O_VERBOSE)
- report_complete(stdout, GT_("cannot create socket: %s\n"), strerror(errno));
+ report_complete(stdout, GT_("cannot create socket: %s\n"), strerror(e));
+ snprintf(errbuf+strlen(errbuf), sizeof(errbuf)-strlen(errbuf),\
+ GT_("name %d: cannot create socket family %d type %d: %s\n"), ord, ai->ai_family, ai->ai_socktype, strerror(e));
continue;
}
@@ -323,8 +331,9 @@ int SockOpen(const char *host, const char *service,
if (outlevel >= O_VERBOSE)
report_complete(stdout, GT_("connection failed.\n"));
- if (outlevel > O_SILENT)
+ if (outlevel >= O_VERBOSE)
report(stderr, GT_("connection to %s:%s [%s/%s] failed: %s.\n"), host, service, buf, pb, strerror(e));
+ snprintf(errbuf+strlen(errbuf), sizeof(errbuf)-strlen(errbuf), GT_("name %d: connection to %s:%s [%s/%s] failed: %s.\n"), ord, host, service, buf, pb, strerror(e));
fm_close(i);
i = -1;
continue;
@@ -342,8 +351,10 @@ int SockOpen(const char *host, const char *service,
fm_freeaddrinfo(*ai0);
*ai0 = NULL;
- if (i == -1)
+ if (i == -1) {
+ report(stderr, GT_("Connection errors for this poll:\n%s"), errbuf);
errno = acterr;
+ }
return i;
}