authbind: Better logging of authbind failures

Report the address and the authbind helper pathname.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/udp.c b/udp.c
index 70928a8..a2bb907 100644 (file)
--- a/udp.c
+++ b/udp.c
@@ -283,6 +283,9 @@ bool_t udp_make_socket(struct udpcommon *uc, struct udpsock *us,
     if (uc->authbind) {
        pid_t c;
        int status;
+       char desc[200];
+       snprintf(desc,sizeof(desc),"authbind for %s: %s",
+                iaddr_to_string(addr), uc->authbind);
 
        /* XXX this fork() and waitpid() business needs to be hidden
           in some system-specific library functions. */
@@ -332,10 +335,10 @@ bool_t udp_make_socket(struct udpcommon *uc, struct udpsock *us,
            if (WIFEXITED(status) && WEXITSTATUS(status)<127) {
                int es=WEXITSTATUS(status);
                lg_perror(FAIL_LG,es,
-                         "authbind exited with error exit status %d;"
-                         " indicates error",es);
+                         "%s exited with error exit status %d;"
+                         " indicates error",desc,es);
            } else {
-               lg_exitstatus(FAIL_LG,status,"authbind");
+               lg_exitstatus(FAIL_LG,status,desc);
            }
            goto failed;
        }