610 lines
18 KiB
Diff
610 lines
18 KiB
Diff
From 6829a6903c7a32a7b4dd32597c7f2a811b5a58bb Mon Sep 17 00:00:00 2001
|
|
From: Tomas Bzatek <tbzatek@redhat.com>
|
|
Date: Wed, 17 Apr 2024 18:04:34 +0200
|
|
Subject: [PATCH 1/3] fabrics: Introduce simple URI parser
|
|
|
|
A very simple URI parser implementing URI syntax described
|
|
in the Boot Specification, rev. 1.0.
|
|
|
|
Signed-off-by: Tomas Bzatek <tbzatek@redhat.com>
|
|
---
|
|
src/libnvme.map | 2 +
|
|
src/nvme/fabrics.c | 116 +++++++++++++++++++++++++++++++++++++++++++++
|
|
src/nvme/fabrics.h | 44 +++++++++++++++++
|
|
3 files changed, 162 insertions(+)
|
|
|
|
diff -up libnvme-1.9/src/libnvme.map.bak libnvme-1.9/src/libnvme.map
|
|
--- libnvme-1.9/src/libnvme.map.bak 2024-05-03 14:08:20.000000000 +0200
|
|
+++ libnvme-1.9/src/libnvme.map 2024-06-21 15:46:53.920532333 +0200
|
|
@@ -10,6 +10,8 @@ LIBNVME_1.9 {
|
|
nvme_submit_passthru64;
|
|
nvme_update_key;
|
|
nvme_ctrl_get_cntlid;
|
|
+ nvme_parse_uri;
|
|
+ nvme_free_uri;
|
|
};
|
|
|
|
LIBNVME_1_8 {
|
|
diff --git a/src/nvme/fabrics.c b/src/nvme/fabrics.c
|
|
index 6738e9dc..324a7321 100644
|
|
--- a/src/nvme/fabrics.c
|
|
+++ b/src/nvme/fabrics.c
|
|
@@ -1703,3 +1703,119 @@ int nvmf_register_ctrl(nvme_ctrl_t c, enum nvmf_dim_tas tas, __u32 *result)
|
|
*/
|
|
return nvmf_dim(c, tas, NVMF_TRTYPE_TCP, nvme_get_adrfam(c), "", NULL, result);
|
|
}
|
|
+
|
|
+struct nvme_fabrics_uri *nvme_parse_uri(const char *str)
|
|
+{
|
|
+ struct nvme_fabrics_uri *uri;
|
|
+ _cleanup_free_ char *scheme = NULL;
|
|
+ _cleanup_free_ char *authority = NULL;
|
|
+ _cleanup_free_ char *path = NULL;
|
|
+ const char *host;
|
|
+ int i;
|
|
+
|
|
+ /* As defined in Boot Specification rev. 1.0:
|
|
+ *
|
|
+ * section 1.5.7: NVMe-oF URI Format
|
|
+ * nvme+tcp://192.168.1.1:4420/
|
|
+ * nvme+tcp://[FE80::1010]:4420/
|
|
+ *
|
|
+ * section 3.1.2.5.3: DHCP Root-Path - a hierarchical NVMe-oF URI Format
|
|
+ * NVME<+PROTOCOL>://<SERVERNAME/IP>[:TRANSPORT PORT]/<SUBSYS NQN>/<NID>
|
|
+ * or
|
|
+ * NVME<+PROTOCOL>://<DISCOVERY CONTROLLER ADDRESS>[:DISCOVERY-
|
|
+ * -CONTROLLER PORT]/NQN.2014-08.ORG.NVMEXPRESS.DISCOVERY/<NID>
|
|
+ */
|
|
+
|
|
+ /* TODO: unescape? */
|
|
+
|
|
+ uri = calloc(1, sizeof(struct nvme_fabrics_uri));
|
|
+ if (!uri)
|
|
+ return NULL;
|
|
+
|
|
+ if (sscanf(str, "%m[^:/]://%m[^/?#]%ms",
|
|
+ &scheme, &authority, &path) < 2) {
|
|
+ nvme_free_uri(uri);
|
|
+ errno = EINVAL;
|
|
+ return NULL;
|
|
+ }
|
|
+
|
|
+ if (sscanf(scheme, "%m[^+]+%ms",
|
|
+ &uri->scheme, &uri->protocol) < 1) {
|
|
+ nvme_free_uri(uri);
|
|
+ errno = EINVAL;
|
|
+ return NULL;
|
|
+ }
|
|
+
|
|
+ /* split userinfo */
|
|
+ host = strrchr(authority, '@');
|
|
+ if (host) {
|
|
+ host++;
|
|
+ uri->userinfo = strndup(authority, host - authority);
|
|
+ } else
|
|
+ host = authority;
|
|
+
|
|
+ /* try matching IPv6 address first */
|
|
+ if (sscanf(host, "[%m[^]]]:%d",
|
|
+ &uri->host, &uri->port) < 1)
|
|
+ /* treat it as IPv4/hostname */
|
|
+ if (sscanf(host, "%m[^:]:%d",
|
|
+ &uri->host, &uri->port) < 1) {
|
|
+ nvme_free_uri(uri);
|
|
+ errno = EINVAL;
|
|
+ return NULL;
|
|
+ }
|
|
+
|
|
+ /* split path into elements */
|
|
+ if (path) {
|
|
+ char *e, *elem;
|
|
+
|
|
+ /* separate the fragment */
|
|
+ e = strrchr(path, '#');
|
|
+ if (e) {
|
|
+ uri->fragment = strdup(e + 1);
|
|
+ *e = '\0';
|
|
+ }
|
|
+ /* separate the query string */
|
|
+ e = strrchr(path, '?');
|
|
+ if (e) {
|
|
+ uri->query = strdup(e + 1);
|
|
+ *e = '\0';
|
|
+ }
|
|
+
|
|
+ /* count elements first */
|
|
+ for (i = 0, e = path; *e; e++)
|
|
+ if (*e == '/' && *(e + 1) != '/')
|
|
+ i++;
|
|
+ uri->path_segments = calloc(i + 2, sizeof(char *));
|
|
+
|
|
+ i = 0;
|
|
+ elem = strtok_r(path, "/", &e);
|
|
+ if (elem)
|
|
+ uri->path_segments[i++] = strdup(elem);
|
|
+ while (elem && strlen(elem)) {
|
|
+ elem = strtok_r(NULL, "/", &e);
|
|
+ if (elem)
|
|
+ uri->path_segments[i++] = strdup(elem);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return uri;
|
|
+}
|
|
+
|
|
+void nvme_free_uri(struct nvme_fabrics_uri *uri)
|
|
+{
|
|
+ char **s;
|
|
+
|
|
+ if (!uri)
|
|
+ return;
|
|
+ free(uri->scheme);
|
|
+ free(uri->protocol);
|
|
+ free(uri->userinfo);
|
|
+ free(uri->host);
|
|
+ for (s = uri->path_segments; s && *s; s++)
|
|
+ free(*s);
|
|
+ free(uri->path_segments);
|
|
+ free(uri->query);
|
|
+ free(uri->fragment);
|
|
+ free(uri);
|
|
+}
|
|
diff --git a/src/nvme/fabrics.h b/src/nvme/fabrics.h
|
|
index 4ebeb35e..3be35310 100644
|
|
--- a/src/nvme/fabrics.h
|
|
+++ b/src/nvme/fabrics.h
|
|
@@ -67,6 +67,28 @@ struct nvme_fabrics_config {
|
|
bool concat;
|
|
};
|
|
|
|
+/**
|
|
+ * struct nvme_fabrics_uri - Parsed URI structure
|
|
+ * @scheme: Scheme name (typically 'nvme')
|
|
+ * @protocol: Optional protocol/transport (e.g. 'tcp')
|
|
+ * @userinfo: Optional user information component of the URI authority
|
|
+ * @host: Host transport address
|
|
+ * @port: The port subcomponent or 0 if not specified
|
|
+ * @path_segments: NULL-terminated array of path segments
|
|
+ * @query: Optional query string component (separated by '?')
|
|
+ * @fragment: Optional fragment identifier component (separated by '#')
|
|
+ */
|
|
+struct nvme_fabrics_uri {
|
|
+ char *scheme;
|
|
+ char *protocol;
|
|
+ char *userinfo;
|
|
+ char *host;
|
|
+ int port;
|
|
+ char **path_segments;
|
|
+ char *query;
|
|
+ char *fragment;
|
|
+};
|
|
+
|
|
/**
|
|
* nvmf_trtype_str() - Decode TRTYPE field
|
|
* @trtype: value to be decoded
|
|
@@ -324,4 +346,26 @@ bool nvmf_is_registration_supported(nvme_ctrl_t c);
|
|
*/
|
|
int nvmf_register_ctrl(nvme_ctrl_t c, enum nvmf_dim_tas tas, __u32 *result);
|
|
|
|
+/**
|
|
+ * nvme_parse_uri() - Parse the URI string
|
|
+ * @str: URI string
|
|
+ *
|
|
+ * Parse the URI string as defined in the NVM Express Boot Specification.
|
|
+ * Supported URI elements looks as follows:
|
|
+ *
|
|
+ * nvme+tcp://user@host:port/subsys_nqn/nid?query=val#fragment
|
|
+ *
|
|
+ * Return: &nvme_fabrics_uri structure on success; NULL on failure with errno
|
|
+ * set.
|
|
+ */
|
|
+struct nvme_fabrics_uri *nvme_parse_uri(const char *str);
|
|
+
|
|
+/**
|
|
+ * nvme_free_uri() - Free the URI structure
|
|
+ * @uri: &nvme_fabrics_uri structure
|
|
+ *
|
|
+ * Free an &nvme_fabrics_uri structure.
|
|
+ */
|
|
+void nvme_free_uri(struct nvme_fabrics_uri *uri);
|
|
+
|
|
#endif /* _LIBNVME_FABRICS_H */
|
|
|
|
From 27ea060ef42c76ed1c88d92c435b88b481e7defb Mon Sep 17 00:00:00 2001
|
|
From: Tomas Bzatek <tbzatek@redhat.com>
|
|
Date: Wed, 17 Apr 2024 18:06:23 +0200
|
|
Subject: [PATCH 2/3] tests: Add uriparser tests
|
|
|
|
Simple testcase both for valid and malformed URI strings.
|
|
|
|
Signed-off-by: Tomas Bzatek <tbzatek@redhat.com>
|
|
---
|
|
test/meson.build | 9 ++
|
|
test/uriparser.c | 208 +++++++++++++++++++++++++++++++++++++++++++++++
|
|
2 files changed, 217 insertions(+)
|
|
create mode 100644 test/uriparser.c
|
|
|
|
diff --git a/test/meson.build b/test/meson.build
|
|
index 93e69991..55992df7 100644
|
|
--- a/test/meson.build
|
|
+++ b/test/meson.build
|
|
@@ -66,6 +66,15 @@ uuid = executable(
|
|
|
|
test('uuid', uuid)
|
|
|
|
+uriparser = executable(
|
|
+ 'test-uriparser',
|
|
+ ['uriparser.c'],
|
|
+ dependencies: libnvme_dep,
|
|
+ include_directories: [incdir, internal_incdir]
|
|
+)
|
|
+
|
|
+test('uriparser', uriparser)
|
|
+
|
|
if conf.get('HAVE_NETDB')
|
|
mock_ifaddrs = library(
|
|
'mock-ifaddrs',
|
|
diff --git a/test/uriparser.c b/test/uriparser.c
|
|
new file mode 100644
|
|
index 00000000..cf26bfd2
|
|
--- /dev/null
|
|
+++ b/test/uriparser.c
|
|
@@ -0,0 +1,208 @@
|
|
+// SPDX-License-Identifier: LGPL-2.1-or-later
|
|
+/**
|
|
+ * This file is part of libnvme.
|
|
+ * Copyright (c) 2024 Tomas Bzatek <tbzatek@redhat.com>
|
|
+ */
|
|
+
|
|
+#include <assert.h>
|
|
+#include <string.h>
|
|
+#include <stdbool.h>
|
|
+#include <stdlib.h>
|
|
+
|
|
+#include <ccan/array_size/array_size.h>
|
|
+
|
|
+#include <libnvme.h>
|
|
+#include <nvme/private.h>
|
|
+
|
|
+struct test_data {
|
|
+ const char *uri;
|
|
+ /* parsed data */
|
|
+ const char *scheme;
|
|
+ const char *host;
|
|
+ const char *user;
|
|
+ const char *proto;
|
|
+ int port;
|
|
+ const char *path[7];
|
|
+ const char *query;
|
|
+ const char *frag;
|
|
+};
|
|
+
|
|
+static struct test_data test_data[] = {
|
|
+ { "nvme://192.168.1.1", "nvme", "192.168.1.1" },
|
|
+ { "nvme://192.168.1.1/", "nvme", "192.168.1.1" },
|
|
+ { "nvme://192.168.1.1:1234", "nvme", "192.168.1.1", .port = 1234 },
|
|
+ { "nvme://192.168.1.1:1234/", "nvme", "192.168.1.1", .port = 1234 },
|
|
+ { "nvme+tcp://192.168.1.1", "nvme", "192.168.1.1", .proto = "tcp" },
|
|
+ { "nvme+rdma://192.168.1.1/", "nvme", "192.168.1.1", .proto = "rdma" },
|
|
+ { "nvme+tcp://192.168.1.1:1234",
|
|
+ "nvme", "192.168.1.1", .proto = "tcp", .port = 1234 },
|
|
+ { "nvme+tcp://192.168.1.1:1234/",
|
|
+ "nvme", "192.168.1.1", .proto = "tcp", .port = 1234 },
|
|
+ { "nvme+tcp://192.168.1.1:4420/path",
|
|
+ "nvme", "192.168.1.1", .proto = "tcp", .port = 4420,
|
|
+ .path = { "path", NULL }},
|
|
+ { "nvme+tcp://192.168.1.1/path/",
|
|
+ "nvme", "192.168.1.1", .proto = "tcp", .path = { "path", NULL }},
|
|
+ { "nvme+tcp://192.168.1.1:4420/p1/p2/p3",
|
|
+ "nvme", "192.168.1.1", .proto = "tcp", .port = 4420,
|
|
+ .path = { "p1", "p2", "p3", NULL }},
|
|
+ { "nvme+tcp://192.168.1.1:4420/p1/p2/p3/",
|
|
+ "nvme", "192.168.1.1", .proto = "tcp", .port = 4420,
|
|
+ .path = { "p1", "p2", "p3", NULL }},
|
|
+ { "nvme+tcp://192.168.1.1:4420//p1//p2/////p3",
|
|
+ "nvme", "192.168.1.1", .proto = "tcp", .port = 4420,
|
|
+ .path = { "p1", "p2", "p3", NULL }},
|
|
+ { "nvme+tcp://192.168.1.1:4420//p1//p2/////p3/",
|
|
+ "nvme", "192.168.1.1", .proto = "tcp", .port = 4420,
|
|
+ .path = { "p1", "p2", "p3", NULL }},
|
|
+ { "nvme://[fe80::1010]", "nvme", "fe80::1010" },
|
|
+ { "nvme://[fe80::1010]/", "nvme", "fe80::1010" },
|
|
+ { "nvme://[fe80::1010]:1234", "nvme", "fe80::1010", .port = 1234 },
|
|
+ { "nvme://[fe80::1010]:1234/", "nvme", "fe80::1010", .port = 1234 },
|
|
+ { "nvme+tcp://[fe80::1010]", "nvme", "fe80::1010", .proto = "tcp" },
|
|
+ { "nvme+rdma://[fe80::1010]/", "nvme", "fe80::1010", .proto = "rdma" },
|
|
+ { "nvme+tcp://[fe80::1010]:1234",
|
|
+ "nvme", "fe80::1010", .proto = "tcp", .port = 1234 },
|
|
+ { "nvme+tcp://[fe80::1010]:1234/",
|
|
+ "nvme", "fe80::1010", .proto = "tcp", .port = 1234 },
|
|
+ { "nvme+tcp://[fe80::1010]:4420/path",
|
|
+ "nvme", "fe80::1010", .proto = "tcp", .port = 4420,
|
|
+ .path = { "path", NULL }},
|
|
+ { "nvme+tcp://[fe80::1010]/path/",
|
|
+ "nvme", "fe80::1010", .proto = "tcp", .path = { "path", NULL }},
|
|
+ { "nvme+tcp://[fe80::1010]:4420/p1/p2/p3",
|
|
+ "nvme", "fe80::1010", .proto = "tcp", .port = 4420,
|
|
+ .path = { "p1", "p2", "p3", NULL }},
|
|
+ { "nvme+tcp://[fe80::fc7d:8cff:fe5b:962e]:666/p1/p2/p3/",
|
|
+ "nvme", "fe80::fc7d:8cff:fe5b:962e", .proto = "tcp", .port = 666,
|
|
+ .path = { "p1", "p2", "p3", NULL }},
|
|
+ { "nvme://h?query", "nvme", "h", .query = "query" },
|
|
+ { "nvme://h/?query", "nvme", "h", .query = "query" },
|
|
+ { "nvme://h/x?query",
|
|
+ "nvme", "h", .path = { "x" }, .query = "query" },
|
|
+ { "nvme://h/p1/?query",
|
|
+ "nvme", "h", .path = { "p1" }, .query = "query" },
|
|
+ { "nvme://h/p1/x?query",
|
|
+ "nvme", "h", .path = { "p1", "x" }, .query = "query" },
|
|
+ { "nvme://h#fragment", "nvme", "h", .frag = "fragment" },
|
|
+ { "nvme://h/#fragment", "nvme", "h", .frag = "fragment" },
|
|
+ { "nvme://h/x#fragment",
|
|
+ "nvme", "h", .path = { "x" }, .frag = "fragment" },
|
|
+ { "nvme://h/p1/#fragment",
|
|
+ "nvme", "h", .path = { "p1" }, .frag = "fragment" },
|
|
+ { "nvme://h/p1/x#fragment",
|
|
+ "nvme", "h", .path = { "p1", "x" }, .frag = "fragment" },
|
|
+ { "nvme://h/?query#fragment",
|
|
+ "nvme", "h", .query = "query", .frag = "fragment" },
|
|
+ { "nvme://h/x?query#fragment",
|
|
+ "nvme", "h", .path = { "x" }, .query = "query", .frag = "fragment" },
|
|
+ { "nvme://h/p1/?query#fragment",
|
|
+ "nvme", "h", .path = { "p1" }, .query = "query", .frag = "fragment" },
|
|
+ { "nvme://h/p1/x?query#fragment",
|
|
+ "nvme", "h", .path = { "p1", "x" }, .query = "query",
|
|
+ .frag = "fragment" },
|
|
+ { "nvme://h/#fragment?query",
|
|
+ "nvme", "h", .frag = "fragment?query" },
|
|
+ { "nvme://h/x#fragment?query",
|
|
+ "nvme", "h", .path = { "x" }, .frag = "fragment?query" },
|
|
+ { "nvme://h/p1/#fragment?query",
|
|
+ "nvme", "h", .path = { "p1" }, .frag = "fragment?query" },
|
|
+ { "nvme://h/p1/x#fragment?query",
|
|
+ "nvme", "h", .path = { "p1", "x" }, .frag = "fragment?query" },
|
|
+ { "nvme://user@h", "nvme", "h", .user = "user" },
|
|
+ { "nvme://user@h/", "nvme", "h", .user = "user" },
|
|
+ { "nvme://user:pass@h/", "nvme", "h", .user = "user:pass" },
|
|
+ { "nvme://[fe80::1010]@h/", "nvme", "h", .user = "[fe80::1010]" },
|
|
+ { "nvme://u[fe80::1010]@h/", "nvme", "h", .user = "u[fe80::1010]" },
|
|
+ { "nvme://u[aa:bb::cc]@h/", "nvme", "h", .user = "u[aa:bb::cc]" },
|
|
+ { "nvme+rdma://u[aa:bb::cc]@[aa:bb::cc]:12345/p1/x?q=val#fr",
|
|
+ "nvme", "aa:bb::cc", .proto = "rdma", .port = 12345,
|
|
+ .user = "u[aa:bb::cc]", .path = { "p1", "x" },
|
|
+ .query = "q=val", .frag = "fr" },
|
|
+};
|
|
+
|
|
+const char *test_data_bad[] = {
|
|
+ "",
|
|
+ " ",
|
|
+ "nonsense",
|
|
+ "vnme:",
|
|
+ "vnme:/",
|
|
+ "vnme://",
|
|
+ "vnme:///",
|
|
+ "vnme+foo://",
|
|
+ "nvme:hostname/",
|
|
+ "nvme:/hostname/",
|
|
+ "nvme:///hostname/",
|
|
+ "nvme+foo:///hostname/",
|
|
+};
|
|
+
|
|
+static void test_uriparser(void)
|
|
+{
|
|
+ printf("Testing URI parser:\n");
|
|
+ for (int i = 0; i < ARRAY_SIZE(test_data); i++) {
|
|
+ const struct test_data *d = &test_data[i];
|
|
+ struct nvme_fabrics_uri *parsed_data;
|
|
+ char **s;
|
|
+ int i;
|
|
+
|
|
+ printf(" '%s'...", d->uri);
|
|
+ parsed_data = nvme_parse_uri(d->uri);
|
|
+ assert(parsed_data);
|
|
+
|
|
+ assert(strcmp(d->scheme, parsed_data->scheme) == 0);
|
|
+ if (d->proto) {
|
|
+ assert(parsed_data->protocol != NULL);
|
|
+ assert(strcmp(d->proto, parsed_data->protocol) == 0);
|
|
+ } else
|
|
+ assert(d->proto == parsed_data->protocol);
|
|
+ assert(strcmp(d->host, parsed_data->host) == 0);
|
|
+ assert(d->port == parsed_data->port);
|
|
+
|
|
+ if (!parsed_data->path_segments)
|
|
+ assert(d->path[0] == NULL);
|
|
+ else {
|
|
+ for (i = 0, s = parsed_data->path_segments;
|
|
+ s && *s; s++, i++) {
|
|
+ assert(d->path[i] != NULL);
|
|
+ assert(strcmp(d->path[i], *s) == 0);
|
|
+ }
|
|
+ /* trailing NULL element */
|
|
+ assert(d->path[i] == parsed_data->path_segments[i]);
|
|
+ }
|
|
+ if (d->query) {
|
|
+ assert(parsed_data->query != NULL);
|
|
+ assert(strcmp(d->query, parsed_data->query) == 0);
|
|
+ } else
|
|
+ assert(d->query == parsed_data->query);
|
|
+ if (d->frag) {
|
|
+ assert(parsed_data->fragment != NULL);
|
|
+ assert(strcmp(d->frag, parsed_data->fragment) == 0);
|
|
+ } else
|
|
+ assert(d->frag == parsed_data->fragment);
|
|
+ nvme_free_uri(parsed_data);
|
|
+ printf(" OK\n");
|
|
+ }
|
|
+}
|
|
+
|
|
+static void test_uriparser_bad(void)
|
|
+{
|
|
+ printf("Testing malformed URI strings:\n");
|
|
+ for (int i = 0; i < ARRAY_SIZE(test_data_bad); i++) {
|
|
+ struct nvme_fabrics_uri *parsed_data;
|
|
+
|
|
+ printf(" '%s'...", test_data_bad[i]);
|
|
+ parsed_data = nvme_parse_uri(test_data_bad[i]);
|
|
+ assert(parsed_data == NULL);
|
|
+ printf(" OK\n");
|
|
+ }
|
|
+}
|
|
+
|
|
+int main(int argc, char *argv[])
|
|
+{
|
|
+ test_uriparser();
|
|
+ test_uriparser_bad();
|
|
+
|
|
+ fflush(stdout);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
|
|
From b2044e8f416b54df34e0d162b59ca0745db92927 Mon Sep 17 00:00:00 2001
|
|
From: Tomas Bzatek <tbzatek@redhat.com>
|
|
Date: Mon, 13 May 2024 17:38:25 +0200
|
|
Subject: [PATCH 3/3] fabrics: Unescape URI elements
|
|
|
|
This adds support for unescaping percent-encoded URI parts.
|
|
|
|
Signed-off-by: Tomas Bzatek <tbzatek@redhat.com>
|
|
---
|
|
src/nvme/fabrics.c | 47 +++++++++++++++++++++++++++++++++++++---------
|
|
test/uriparser.c | 13 +++++++++++++
|
|
2 files changed, 51 insertions(+), 9 deletions(-)
|
|
|
|
diff --git a/src/nvme/fabrics.c b/src/nvme/fabrics.c
|
|
index 324a7321..e5921f8b 100644
|
|
--- a/src/nvme/fabrics.c
|
|
+++ b/src/nvme/fabrics.c
|
|
@@ -1704,12 +1704,41 @@ int nvmf_register_ctrl(nvme_ctrl_t c, enum nvmf_dim_tas tas, __u32 *result)
|
|
return nvmf_dim(c, tas, NVMF_TRTYPE_TCP, nvme_get_adrfam(c), "", NULL, result);
|
|
}
|
|
|
|
+#define IS_XDIGIT(c) ((c >= '0' && c <= '9') || \
|
|
+ (c >= 'A' && c <= 'F') || \
|
|
+ (c >= 'a' && c <= 'f'))
|
|
+#define XDIGIT_VAL(c) ((c >= '0' && c <= '9') ? c - '0' : ( \
|
|
+ (c >= 'A' && c <= 'F') ? c - 'A' + 10 : c - 'a' + 10))
|
|
+
|
|
+/* returns newly allocated string */
|
|
+static char *unescape_uri(const char *str, int len)
|
|
+{
|
|
+ char *dst;
|
|
+ int l;
|
|
+ int i, j;
|
|
+
|
|
+ l = len > 0 ? len : strlen(str);
|
|
+ dst = malloc(l + 1);
|
|
+ for (i = 0, j = 0; i < l; i++, j++) {
|
|
+ if (str[i] == '%' && i + 2 < l &&
|
|
+ IS_XDIGIT(str[i + 1]) && IS_XDIGIT(str[i + 2])) {
|
|
+ dst[j] = (XDIGIT_VAL(str[i + 1]) << 4) +
|
|
+ XDIGIT_VAL(str[i + 2]);
|
|
+ i += 2;
|
|
+ } else
|
|
+ dst[j] = str[i];
|
|
+ }
|
|
+ dst[j] = '\0';
|
|
+ return dst;
|
|
+}
|
|
+
|
|
struct nvme_fabrics_uri *nvme_parse_uri(const char *str)
|
|
{
|
|
struct nvme_fabrics_uri *uri;
|
|
_cleanup_free_ char *scheme = NULL;
|
|
_cleanup_free_ char *authority = NULL;
|
|
_cleanup_free_ char *path = NULL;
|
|
+ _cleanup_free_ char *h = NULL;
|
|
const char *host;
|
|
int i;
|
|
|
|
@@ -1726,8 +1755,6 @@ struct nvme_fabrics_uri *nvme_parse_uri(const char *str)
|
|
* -CONTROLLER PORT]/NQN.2014-08.ORG.NVMEXPRESS.DISCOVERY/<NID>
|
|
*/
|
|
|
|
- /* TODO: unescape? */
|
|
-
|
|
uri = calloc(1, sizeof(struct nvme_fabrics_uri));
|
|
if (!uri)
|
|
return NULL;
|
|
@@ -1750,20 +1777,22 @@ struct nvme_fabrics_uri *nvme_parse_uri(const char *str)
|
|
host = strrchr(authority, '@');
|
|
if (host) {
|
|
host++;
|
|
- uri->userinfo = strndup(authority, host - authority);
|
|
+ uri->userinfo = unescape_uri(authority, host - authority);
|
|
} else
|
|
host = authority;
|
|
|
|
/* try matching IPv6 address first */
|
|
if (sscanf(host, "[%m[^]]]:%d",
|
|
- &uri->host, &uri->port) < 1)
|
|
+ &uri->host, &uri->port) < 1) {
|
|
/* treat it as IPv4/hostname */
|
|
if (sscanf(host, "%m[^:]:%d",
|
|
- &uri->host, &uri->port) < 1) {
|
|
+ &h, &uri->port) < 1) {
|
|
nvme_free_uri(uri);
|
|
errno = EINVAL;
|
|
return NULL;
|
|
}
|
|
+ uri->host = unescape_uri(h, 0);
|
|
+ }
|
|
|
|
/* split path into elements */
|
|
if (path) {
|
|
@@ -1772,13 +1801,13 @@ struct nvme_fabrics_uri *nvme_parse_uri(const char *str)
|
|
/* separate the fragment */
|
|
e = strrchr(path, '#');
|
|
if (e) {
|
|
- uri->fragment = strdup(e + 1);
|
|
+ uri->fragment = unescape_uri(e + 1, 0);
|
|
*e = '\0';
|
|
}
|
|
/* separate the query string */
|
|
e = strrchr(path, '?');
|
|
if (e) {
|
|
- uri->query = strdup(e + 1);
|
|
+ uri->query = unescape_uri(e + 1, 0);
|
|
*e = '\0';
|
|
}
|
|
|
|
@@ -1791,11 +1820,11 @@ struct nvme_fabrics_uri *nvme_parse_uri(const char *str)
|
|
i = 0;
|
|
elem = strtok_r(path, "/", &e);
|
|
if (elem)
|
|
- uri->path_segments[i++] = strdup(elem);
|
|
+ uri->path_segments[i++] = unescape_uri(elem, 0);
|
|
while (elem && strlen(elem)) {
|
|
elem = strtok_r(NULL, "/", &e);
|
|
if (elem)
|
|
- uri->path_segments[i++] = strdup(elem);
|
|
+ uri->path_segments[i++] = unescape_uri(elem, 0);
|
|
}
|
|
}
|
|
|
|
diff --git a/test/uriparser.c b/test/uriparser.c
|
|
index cf26bfd2..09b2a732 100644
|
|
--- a/test/uriparser.c
|
|
+++ b/test/uriparser.c
|
|
@@ -119,6 +119,19 @@ static struct test_data test_data[] = {
|
|
"nvme", "aa:bb::cc", .proto = "rdma", .port = 12345,
|
|
.user = "u[aa:bb::cc]", .path = { "p1", "x" },
|
|
.query = "q=val", .frag = "fr" },
|
|
+ { "nvme://ex%5Cmp%3Ae", "nvme", "ex\\mp:e" },
|
|
+ { "nvme://ex%5Cmp%3Ae.com/", "nvme", "ex\\mp:e.com" },
|
|
+ { "nvme://u%24er@ex%5Cmp%3Ae.com/", "nvme", "ex\\mp:e.com",
|
|
+ .user = "u$er" },
|
|
+ { "nvme+tcp://ex%5Cmp%3Ae.com:1234",
|
|
+ "nvme", "ex\\mp:e.com", .proto = "tcp", .port = 1234 },
|
|
+ { "nvme+tcp://ex%5Cmp%3Ae.com:1234/p1/ex%3Camp%3Ele/p3",
|
|
+ "nvme", "ex\\mp:e.com", .proto = "tcp", .port = 1234,
|
|
+ .path = { "p1", "ex<amp>le", "p3", NULL } },
|
|
+ { "nvme+tcp://ex%5Cmp%3Ae.com:1234/p1/%3C%3E/p3?q%5E%24ry#fr%26gm%23nt",
|
|
+ "nvme", "ex\\mp:e.com", .proto = "tcp", .port = 1234,
|
|
+ .path = { "p1", "<>", "p3", NULL }, .query = "q^$ry",
|
|
+ .frag = "fr&gm#nt" },
|
|
};
|
|
|
|
const char *test_data_bad[] = {
|