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From aa59c26b76954860b4c7f7e57d1d4b8b99ccfa6f Mon Sep 17 00:00:00 2001
From: Richard Jones <rjones@redhat.com>
Date: Mon, 8 Jun 2015 11:56:57 +0200
Subject: [PATCH 04/30] block/ssh: Propagate errors through authenticate()
Message-id: <1433764620-20506-4-git-send-email-rjones@redhat.com>
Patchwork-id: 65478
O-Subject: [RHEL-7.2 qemu-kvm PATCH 3/6] block/ssh: Propagate errors through authenticate()
Bugzilla: 1226683
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
From: Markus Armbruster <armbru@redhat.com>
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>
Upstream-status: 4618e658e6dadd1ba53585157984eac71cb706c6
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
block/ssh.c | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)
diff --git a/block/ssh.c b/block/ssh.c
index 6ffcff1..5908e6d 100644
--- a/block/ssh.c
+++ b/block/ssh.c
@@ -434,7 +434,7 @@ static int check_host_key(BDRVSSHState *s, const char *host, int port,
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 @@ static int authenticate(BDRVSSHState *s, const char *user)
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 @@ static int authenticate(BDRVSSHState *s, const char *user)
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 @@ static int authenticate(BDRVSSHState *s, const char *user)
}
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 @@ static int authenticate(BDRVSSHState *s, const char *user)
}
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 @@ static int connect_to_ssh(BDRVSSHState *s, QDict *options,
}
/* Authenticate. */
- ret = authenticate(s, user);
+ ret = authenticate(s, user, &err);
if (ret < 0) {
+ qerror_report_err(err);
+ error_free(err);
goto err;
}
--
1.8.3.1