commit 4618e658e6dadd1ba53585157984eac71cb706c6
author Markus Armbruster <armbru@redhat.com> Fri May 16 11:00:14 2014 +0200
committer Stefan Hajnoczi <stefanha@redhat.com> Wed May 28 14:28:47 2014 +0200
tree 9062db0c6754269c4feee2a2e98e1d11c3464ac3
parent 01c2b265fce921d6460e06f5af4dfb405119cbab

block/ssh: Propagate errors through authenticate()

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

block/ssh.c

diff --git a/block/ssh.c b/block/ssh.c
index 1df1946..18186ba 100644
--- a/block/ssh.c
+++ b/block/ssh.c
@@ -434,7 +434,7 @@
     return -EINVAL;
 }
 
-static int authenticate(BDRVSSHState *s, const char *user)
+static int authenticate(BDRVSSHState *s, const char *user, Error **errp)
 {
     int r, ret;
     const char *userauthlist;
@@ -445,7 +445,8 @@
     userauthlist = libssh2_userauth_list(s->session, user, strlen(user));
     if (strstr(userauthlist, "publickey") == NULL) {
         ret = -EPERM;
-        error_report("remote server does not support \"publickey\" authentication");
+        error_setg(errp,
+                "remote server does not support \"publickey\" authentication");
         goto out;
     }
 
@@ -453,17 +454,18 @@
     agent = libssh2_agent_init(s->session);
     if (!agent) {
         ret = -EINVAL;
-        session_error_report(s, "failed to initialize ssh-agent support");
+        session_error_setg(errp, s, "failed to initialize ssh-agent support");
         goto out;
     }
     if (libssh2_agent_connect(agent)) {
         ret = -ECONNREFUSED;
-        session_error_report(s, "failed to connect to ssh-agent");
+        session_error_setg(errp, s, "failed to connect to ssh-agent");
         goto out;
     }
     if (libssh2_agent_list_identities(agent)) {
         ret = -EINVAL;
-        session_error_report(s, "failed requesting identities from ssh-agent");
+        session_error_setg(errp, s,
+                           "failed requesting identities from ssh-agent");
         goto out;
     }
 
@@ -474,7 +476,8 @@
         }
         if (r < 0) {
             ret = -EINVAL;
-            session_error_report(s, "failed to obtain identity from ssh-agent");
+            session_error_setg(errp, s,
+                               "failed to obtain identity from ssh-agent");
             goto out;
         }
         r = libssh2_agent_userauth(agent, user, identity);
@@ -488,8 +491,8 @@
     }
 
     ret = -EPERM;
-    error_report("failed to authenticate using publickey authentication "
-                 "and the identities held by your ssh-agent");
+    error_setg(errp, "failed to authenticate using publickey authentication "
+               "and the identities held by your ssh-agent");
 
  out:
     if (agent != NULL) {
@@ -577,8 +580,10 @@
     }
 
     /* Authenticate. */
-    ret = authenticate(s, user);
+    ret = authenticate(s, user, &err);
     if (ret < 0) {
+        qerror_report_err(err);
+        error_free(err);
         goto err;
     }