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ssh: Pass BlockdevOptionsSsh to connect_to_ssh()

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Move the parsing of the QDict options up to the callers, in preparation
for the .bdrv_co_create implementation that directly gets a QAPI type.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Kevin Wolf 2018-02-05 15:28:14 +01:00
parent ec2f54182c
commit 375f0b9266
1 changed files with 21 additions and 13 deletions
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34
block/ssh.c
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@ -656,19 +656,13 @@ fail:
return result;
}
static int connect_to_ssh(BDRVSSHState *s, QDict *options,
static int connect_to_ssh(BDRVSSHState *s, BlockdevOptionsSsh *opts,
int ssh_flags, int creat_mode, Error **errp)
{
BlockdevOptionsSsh *opts;
int r, ret;
const char *user;
long port = 0;
opts = ssh_parse_options(options, errp);
if (opts == NULL) {
return -EINVAL;
}
if (opts->has_user) {
user = opts->user;
} else {
@ -748,8 +742,6 @@ static int connect_to_ssh(BDRVSSHState *s, QDict *options,
goto err;
}
qapi_free_BlockdevOptionsSsh(opts);
r = libssh2_sftp_fstat(s->sftp_handle, &s->attrs);
if (r < 0) {
sftp_error_setg(errp, s, "failed to read file attributes");
@ -775,8 +767,6 @@ static int connect_to_ssh(BDRVSSHState *s, QDict *options,
}
s->session = NULL;
qapi_free_BlockdevOptionsSsh(opts);
return ret;
}
@ -784,6 +774,7 @@ static int ssh_file_open(BlockDriverState *bs, QDict *options, int bdrv_flags,
Error **errp)
{
BDRVSSHState *s = bs->opaque;
BlockdevOptionsSsh *opts;
int ret;
int ssh_flags;
@ -794,8 +785,13 @@ static int ssh_file_open(BlockDriverState *bs, QDict *options, int bdrv_flags,
ssh_flags |= LIBSSH2_FXF_WRITE;
}
opts = ssh_parse_options(options, errp);
if (opts == NULL) {
return -EINVAL;
}
/* Start up SSH. */
ret = connect_to_ssh(s, options, ssh_flags, 0, errp);
ret = connect_to_ssh(s, opts, ssh_flags, 0, errp);
if (ret < 0) {
goto err;
}
@ -803,6 +799,8 @@ static int ssh_file_open(BlockDriverState *bs, QDict *options, int bdrv_flags,
/* Go non-blocking. */
libssh2_session_set_blocking(s->session, 0);
qapi_free_BlockdevOptionsSsh(opts);
return 0;
err:
@ -811,6 +809,8 @@ static int ssh_file_open(BlockDriverState *bs, QDict *options, int bdrv_flags,
}
s->sock = -1;
qapi_free_BlockdevOptionsSsh(opts);
return ret;
}
@ -860,6 +860,7 @@ static int coroutine_fn ssh_co_create_opts(const char *filename, QemuOpts *opts,
int r, ret;
int64_t total_size = 0;
QDict *uri_options = NULL;
BlockdevOptionsSsh *ssh_opts = NULL;
BDRVSSHState s;
ssh_state_init(&s);
@ -876,7 +877,13 @@ static int coroutine_fn ssh_co_create_opts(const char *filename, QemuOpts *opts,
goto out;
}
r = connect_to_ssh(&s, uri_options,
ssh_opts = ssh_parse_options(uri_options, errp);
if (ssh_opts == NULL) {
ret = -EINVAL;
goto out;
}
r = connect_to_ssh(&s, ssh_opts,
LIBSSH2_FXF_READ|LIBSSH2_FXF_WRITE|
LIBSSH2_FXF_CREAT|LIBSSH2_FXF_TRUNC,
0644, errp);
@ -899,6 +906,7 @@ static int coroutine_fn ssh_co_create_opts(const char *filename, QemuOpts *opts,
if (uri_options != NULL) {
QDECREF(uri_options);
}
qapi_free_BlockdevOptionsSsh(ssh_opts);
return ret;
}