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-rw-r--r--block/blkdebug.c17
-rw-r--r--block/nbd.c159
-rw-r--r--block/ssh.c79
3 files changed, 172 insertions, 83 deletions
diff --git a/block/blkdebug.c b/block/blkdebug.c
index fb29283f80..d5db166815 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -39,6 +39,9 @@ typedef struct BDRVBlkdebugState {
int new_state;
int align;
+ /* For blkdebug_refresh_filename() */
+ char *config_file;
+
QLIST_HEAD(, BlkdebugRule) rules[BLKDBG__MAX];
QSIMPLEQ_HEAD(, BlkdebugRule) active_rules;
QLIST_HEAD(, BlkdebugSuspendedReq) suspended_reqs;
@@ -351,7 +354,6 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags,
BDRVBlkdebugState *s = bs->opaque;
QemuOpts *opts;
Error *local_err = NULL;
- const char *config;
uint64_t align;
int ret;
@@ -364,8 +366,8 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags,
}
/* Read rules from config file or command line options */
- config = qemu_opt_get(opts, "config");
- ret = read_config(s, config, options, errp);
+ s->config_file = g_strdup(qemu_opt_get(opts, "config"));
+ ret = read_config(s, s->config_file, options, errp);
if (ret) {
goto out;
}
@@ -398,6 +400,9 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags,
fail_unref:
bdrv_unref_child(bs, bs->file);
out:
+ if (ret < 0) {
+ g_free(s->config_file);
+ }
qemu_opts_del(opts);
return ret;
}
@@ -515,6 +520,8 @@ static void blkdebug_close(BlockDriverState *bs)
remove_rule(rule);
}
}
+
+ g_free(s->config_file);
}
static void suspend_request(BlockDriverState *bs, BlkdebugRule *rule)
@@ -679,6 +686,7 @@ static int blkdebug_truncate(BlockDriverState *bs, int64_t offset)
static void blkdebug_refresh_filename(BlockDriverState *bs, QDict *options)
{
+ BDRVBlkdebugState *s = bs->opaque;
QDict *opts;
const QDictEntry *e;
bool force_json = false;
@@ -700,8 +708,7 @@ static void blkdebug_refresh_filename(BlockDriverState *bs, QDict *options)
if (!force_json && bs->file->bs->exact_filename[0]) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
- "blkdebug:%s:%s",
- qdict_get_try_str(options, "config") ?: "",
+ "blkdebug:%s:%s", s->config_file ?: "",
bs->file->bs->exact_filename);
}
diff --git a/block/nbd.c b/block/nbd.c
index 8d57220f18..6bc06d6198 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -42,6 +42,9 @@
typedef struct BDRVNBDState {
NbdClientSession client;
+
+ /* For nbd_refresh_filename() */
+ char *path, *host, *port, *export, *tlscredsid;
} BDRVNBDState;
static int nbd_parse_uri(const char *filename, QDict *options)
@@ -188,13 +191,15 @@ out:
g_free(file);
}
-static SocketAddress *nbd_config(BDRVNBDState *s, QDict *options, char **export,
- Error **errp)
+static SocketAddress *nbd_config(BDRVNBDState *s, QemuOpts *opts, Error **errp)
{
SocketAddress *saddr;
- if (qdict_haskey(options, "path") == qdict_haskey(options, "host")) {
- if (qdict_haskey(options, "path")) {
+ s->path = g_strdup(qemu_opt_get(opts, "path"));
+ s->host = g_strdup(qemu_opt_get(opts, "host"));
+
+ if (!s->path == !s->host) {
+ if (s->path) {
error_setg(errp, "path and host may not be used at the same time.");
} else {
error_setg(errp, "one of path and host must be specified.");
@@ -204,32 +209,28 @@ static SocketAddress *nbd_config(BDRVNBDState *s, QDict *options, char **export,
saddr = g_new0(SocketAddress, 1);
- if (qdict_haskey(options, "path")) {
+ if (s->path) {
UnixSocketAddress *q_unix;
saddr->type = SOCKET_ADDRESS_KIND_UNIX;
q_unix = saddr->u.q_unix.data = g_new0(UnixSocketAddress, 1);
- q_unix->path = g_strdup(qdict_get_str(options, "path"));
- qdict_del(options, "path");
+ q_unix->path = g_strdup(s->path);
} else {
InetSocketAddress *inet;
+
+ s->port = g_strdup(qemu_opt_get(opts, "port"));
+
saddr->type = SOCKET_ADDRESS_KIND_INET;
inet = saddr->u.inet.data = g_new0(InetSocketAddress, 1);
- inet->host = g_strdup(qdict_get_str(options, "host"));
- if (!qdict_get_try_str(options, "port")) {
+ inet->host = g_strdup(s->host);
+ inet->port = g_strdup(s->port);
+ if (!inet->port) {
inet->port = g_strdup_printf("%d", NBD_DEFAULT_PORT);
- } else {
- inet->port = g_strdup(qdict_get_str(options, "port"));
}
- qdict_del(options, "host");
- qdict_del(options, "port");
}
s->client.is_unix = saddr->type == SOCKET_ADDRESS_KIND_UNIX;
- *export = g_strdup(qdict_get_try_str(options, "export"));
- if (*export) {
- qdict_del(options, "export");
- }
+ s->export = g_strdup(qemu_opt_get(opts, "export"));
return saddr;
}
@@ -292,28 +293,66 @@ static QCryptoTLSCreds *nbd_get_tls_creds(const char *id, Error **errp)
}
+static QemuOptsList nbd_runtime_opts = {
+ .name = "nbd",
+ .head = QTAILQ_HEAD_INITIALIZER(nbd_runtime_opts.head),
+ .desc = {
+ {
+ .name = "host",
+ .type = QEMU_OPT_STRING,
+ .help = "TCP host to connect to",
+ },
+ {
+ .name = "port",
+ .type = QEMU_OPT_STRING,
+ .help = "TCP port to connect to",
+ },
+ {
+ .name = "path",
+ .type = QEMU_OPT_STRING,
+ .help = "Unix socket path to connect to",
+ },
+ {
+ .name = "export",
+ .type = QEMU_OPT_STRING,
+ .help = "Name of the NBD export to open",
+ },
+ {
+ .name = "tls-creds",
+ .type = QEMU_OPT_STRING,
+ .help = "ID of the TLS credentials to use",
+ },
+ },
+};
+
static int nbd_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
BDRVNBDState *s = bs->opaque;
- char *export = NULL;
+ QemuOpts *opts = NULL;
+ Error *local_err = NULL;
QIOChannelSocket *sioc = NULL;
- SocketAddress *saddr;
- const char *tlscredsid;
+ SocketAddress *saddr = NULL;
QCryptoTLSCreds *tlscreds = NULL;
const char *hostname = NULL;
int ret = -EINVAL;
+ opts = qemu_opts_create(&nbd_runtime_opts, NULL, 0, &error_abort);
+ qemu_opts_absorb_qdict(opts, options, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ goto error;
+ }
+
/* Pop the config into our state object. Exit if invalid. */
- saddr = nbd_config(s, options, &export, errp);
+ saddr = nbd_config(s, opts, errp);
if (!saddr) {
goto error;
}
- tlscredsid = g_strdup(qdict_get_try_str(options, "tls-creds"));
- if (tlscredsid) {
- qdict_del(options, "tls-creds");
- tlscreds = nbd_get_tls_creds(tlscredsid, errp);
+ s->tlscredsid = g_strdup(qemu_opt_get(opts, "tls-creds"));
+ if (s->tlscredsid) {
+ tlscreds = nbd_get_tls_creds(s->tlscredsid, errp);
if (!tlscreds) {
goto error;
}
@@ -335,7 +374,7 @@ static int nbd_open(BlockDriverState *bs, QDict *options, int flags,
}
/* NBD handshake */
- ret = nbd_client_init(bs, sioc, export,
+ ret = nbd_client_init(bs, sioc, s->export,
tlscreds, hostname, errp);
error:
if (sioc) {
@@ -344,8 +383,15 @@ static int nbd_open(BlockDriverState *bs, QDict *options, int flags,
if (tlscreds) {
object_unref(OBJECT(tlscreds));
}
+ if (ret < 0) {
+ g_free(s->path);
+ g_free(s->host);
+ g_free(s->port);
+ g_free(s->export);
+ g_free(s->tlscredsid);
+ }
qapi_free_SocketAddress(saddr);
- g_free(export);
+ qemu_opts_del(opts);
return ret;
}
@@ -362,7 +408,15 @@ static void nbd_refresh_limits(BlockDriverState *bs, Error **errp)
static void nbd_close(BlockDriverState *bs)
{
+ BDRVNBDState *s = bs->opaque;
+
nbd_client_close(bs);
+
+ g_free(s->path);
+ g_free(s->host);
+ g_free(s->port);
+ g_free(s->export);
+ g_free(s->tlscredsid);
}
static int64_t nbd_getlength(BlockDriverState *bs)
@@ -385,48 +439,45 @@ static void nbd_attach_aio_context(BlockDriverState *bs,
static void nbd_refresh_filename(BlockDriverState *bs, QDict *options)
{
+ BDRVNBDState *s = bs->opaque;
QDict *opts = qdict_new();
- const char *path = qdict_get_try_str(options, "path");
- const char *host = qdict_get_try_str(options, "host");
- const char *port = qdict_get_try_str(options, "port");
- const char *export = qdict_get_try_str(options, "export");
- const char *tlscreds = qdict_get_try_str(options, "tls-creds");
qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("nbd")));
- if (path && export) {
+ if (s->path && s->export) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
- "nbd+unix:///%s?socket=%s", export, path);
- } else if (path && !export) {
+ "nbd+unix:///%s?socket=%s", s->export, s->path);
+ } else if (s->path && !s->export) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
- "nbd+unix://?socket=%s", path);
- } else if (!path && export && port) {
+ "nbd+unix://?socket=%s", s->path);
+ } else if (!s->path && s->export && s->port) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
- "nbd://%s:%s/%s", host, port, export);
- } else if (!path && export && !port) {
+ "nbd://%s:%s/%s", s->host, s->port, s->export);
+ } else if (!s->path && s->export && !s->port) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
- "nbd://%s/%s", host, export);
- } else if (!path && !export && port) {
+ "nbd://%s/%s", s->host, s->export);
+ } else if (!s->path && !s->export && s->port) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
- "nbd://%s:%s", host, port);
- } else if (!path && !export && !port) {
+ "nbd://%s:%s", s->host, s->port);
+ } else if (!s->path && !s->export && !s->port) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
- "nbd://%s", host);
+ "nbd://%s", s->host);
}
- if (path) {
- qdict_put_obj(opts, "path", QOBJECT(qstring_from_str(path)));
- } else if (port) {
- qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host)));
- qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(port)));
+ if (s->path) {
+ qdict_put_obj(opts, "path", QOBJECT(qstring_from_str(s->path)));
+ } else if (s->port) {
+ qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(s->host)));
+ qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(s->port)));
} else {
- qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host)));
+ qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(s->host)));
}
- if (export) {
- qdict_put_obj(opts, "export", QOBJECT(qstring_from_str(export)));
+ if (s->export) {
+ qdict_put_obj(opts, "export", QOBJECT(qstring_from_str(s->export)));
}
- if (tlscreds) {
- qdict_put_obj(opts, "tls-creds", QOBJECT(qstring_from_str(tlscreds)));
+ if (s->tlscredsid) {
+ qdict_put_obj(opts, "tls-creds",
+ QOBJECT(qstring_from_str(s->tlscredsid)));
}
bs->full_open_options = opts;
diff --git a/block/ssh.c b/block/ssh.c
index bcbb0e4223..5ce12b633a 100644
--- a/block/ssh.c
+++ b/block/ssh.c
@@ -508,36 +508,73 @@ static int authenticate(BDRVSSHState *s, const char *user, Error **errp)
return ret;
}
+static QemuOptsList ssh_runtime_opts = {
+ .name = "ssh",
+ .head = QTAILQ_HEAD_INITIALIZER(ssh_runtime_opts.head),
+ .desc = {
+ {
+ .name = "host",
+ .type = QEMU_OPT_STRING,
+ .help = "Host to connect to",
+ },
+ {
+ .name = "port",
+ .type = QEMU_OPT_NUMBER,
+ .help = "Port to connect to",
+ },
+ {
+ .name = "path",
+ .type = QEMU_OPT_STRING,
+ .help = "Path of the image on the host",
+ },
+ {
+ .name = "user",
+ .type = QEMU_OPT_STRING,
+ .help = "User as which to connect",
+ },
+ {
+ .name = "host_key_check",
+ .type = QEMU_OPT_STRING,
+ .help = "Defines how and what to check the host key against",
+ },
+ },
+};
+
static int connect_to_ssh(BDRVSSHState *s, QDict *options,
int ssh_flags, int creat_mode, Error **errp)
{
int r, ret;
+ QemuOpts *opts = NULL;
+ Error *local_err = NULL;
const char *host, *user, *path, *host_key_check;
int port;
- if (!qdict_haskey(options, "host")) {
+ opts = qemu_opts_create(&ssh_runtime_opts, NULL, 0, &error_abort);
+ qemu_opts_absorb_qdict(opts, options, &local_err);
+ if (local_err) {
ret = -EINVAL;
- error_setg(errp, "No hostname was specified");
+ error_propagate(errp, local_err);
goto err;
}
- host = qdict_get_str(options, "host");
- if (qdict_haskey(options, "port")) {
- port = qdict_get_int(options, "port");
- } else {
- port = 22;
+ host = qemu_opt_get(opts, "host");
+ if (!host) {
+ ret = -EINVAL;
+ error_setg(errp, "No hostname was specified");
+ goto err;
}
- if (!qdict_haskey(options, "path")) {
+ port = qemu_opt_get_number(opts, "port", 22);
+
+ path = qemu_opt_get(opts, "path");
+ if (!path) {
ret = -EINVAL;
error_setg(errp, "No path was specified");
goto err;
}
- path = qdict_get_str(options, "path");
- if (qdict_haskey(options, "user")) {
- user = qdict_get_str(options, "user");
- } else {
+ user = qemu_opt_get(opts, "user");
+ if (!user) {
user = g_get_user_name();
if (!user) {
error_setg_errno(errp, errno, "Can't get user name");
@@ -546,9 +583,8 @@ static int connect_to_ssh(BDRVSSHState *s, QDict *options,
}
}
- if (qdict_haskey(options, "host_key_check")) {
- host_key_check = qdict_get_str(options, "host_key_check");
- } else {
+ host_key_check = qemu_opt_get(opts, "host_key_check");
+ if (!host_key_check) {
host_key_check = "yes";
}
@@ -612,21 +648,14 @@ static int connect_to_ssh(BDRVSSHState *s, QDict *options,
goto err;
}
+ qemu_opts_del(opts);
+
r = libssh2_sftp_fstat(s->sftp_handle, &s->attrs);
if (r < 0) {
sftp_error_setg(errp, s, "failed to read file attributes");
return -EINVAL;
}
- /* Delete the options we've used; any not deleted will cause the
- * block layer to give an error about unused options.
- */
- qdict_del(options, "host");
- qdict_del(options, "port");
- qdict_del(options, "user");
- qdict_del(options, "path");
- qdict_del(options, "host_key_check");
-
return 0;
err:
@@ -646,6 +675,8 @@ static int connect_to_ssh(BDRVSSHState *s, QDict *options,
}
s->session = NULL;
+ qemu_opts_del(opts);
+
return ret;
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-24 15:20:33 +0000