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Re: [Qemu-devel] [PATCH 07/18] block/ssh: Propagate errors through authe
From: |
Richard W.M. Jones |
Subject: |
Re: [Qemu-devel] [PATCH 07/18] block/ssh: Propagate errors through authenticate() |
Date: |
Wed, 14 May 2014 15:57:34 +0100 |
User-agent: |
Mutt/1.5.20 (2009-12-10) |
On Tue, May 13, 2014 at 06:02:41PM +0200, Markus Armbruster wrote:
> Cc: "Richard W.M. Jones" <address@hidden>
> Signed-off-by: Markus Armbruster <address@hidden>
Reviewed-by: Richard W.M. Jones <address@hidden>
> block/ssh.c | 23 ++++++++++++++---------
> 1 file changed, 14 insertions(+), 9 deletions(-)
>
> 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 @@ 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;
> }
>
> --
> 1.8.1.4
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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http://people.redhat.com/~rjones/virt-df/
[Qemu-devel] [PATCH 10/18] block/vvfat: Propagate errors through enable_write_target(), Markus Armbruster, 2014/05/13
[Qemu-devel] [PATCH 07/18] block/ssh: Propagate errors through authenticate(), Markus Armbruster, 2014/05/13
- Re: [Qemu-devel] [PATCH 07/18] block/ssh: Propagate errors through authenticate(),
Richard W.M. Jones <=
[Qemu-devel] [PATCH 06/18] block/ssh: Propagate errors through check_host_key(), Markus Armbruster, 2014/05/13
[Qemu-devel] [PATCH 11/18] block/vvfat: Propagate errors through init_directories(), Markus Armbruster, 2014/05/13
[Qemu-devel] [PATCH 13/18] block/sheepdog: Propagate errors through get_sheep_fd(), Markus Armbruster, 2014/05/13
[Qemu-devel] [PATCH 09/18] block/ssh: Propagate errors to open and create methods, Markus Armbruster, 2014/05/13