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Date:: Fri Mar 20 15:01:15 2020 UTC
Message:: support non-default port numbers with SSH and tweak URI parser port handling
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1 /*
2  * Copyright (c) 2020 Stefan Sperling <stsp@openbsd.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #include <sys/queue.h>
18 
19 #include <limits.h>
20 #include <stdarg.h>
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include <string.h>
24 #include <unistd.h>
25 #include <err.h>
26 #include <sha1.h>
27 #include <zlib.h>
28 #include <time.h>
29 
30 #include "got_error.h"
31 #include "got_object.h"
32 #include "got_path.h"
33 #include "got_fetch.h"
34 
35 #include "got_lib_object_idset.h"
36 #include "got_lib_sha1.h"
37 #include "got_lib_inflate.h"
38 #include "got_lib_delta.h"
39 
40 #ifndef nitems
41 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
42 #endif
43 
44 static int verbose;
45 
46 void
47 test_printf(char *fmt, ...)
48 {
49 	va_list ap;
50 
51 	if (!verbose)
52 		return;
53 
54 	va_start(ap, fmt);
55 	vprintf(fmt, ap);
56 	va_end(ap);
57 }
58 
59 static int
60 fetch_parse_uri(void)
61 {
62 	const struct got_error *err = NULL;
63 	struct parse_uri_test {
64 		const char *uri;
65 		const char *proto;
66 		const char *host;
67 		const char *port;
68 		const char *server_path;
69 		const char *repo_name;
70 		int errcode;
71 	} test_data[] = {
72 		{ "", NULL, NULL, NULL, NULL, NULL, GOT_ERR_PARSE_URI },
73 		{ "git:", NULL, NULL, NULL, NULL, NULL, GOT_ERR_PARSE_URI },
74 		{ "git://localhost/",
75 		    NULL, NULL, NULL, NULL, NULL, GOT_ERR_PARSE_URI },
76 		{ "git://localhost////",
77 		    NULL, NULL, NULL, NULL, NULL, GOT_ERR_PARSE_URI },
78 		{ "git://127.0.0.1/git/",
79 		    NULL, NULL, NULL, NULL, NULL, GOT_ERR_PARSE_URI },
80 		{ "git:///127.0.0.1/git/",
81 		    NULL, NULL, NULL, NULL, NULL, GOT_ERR_PARSE_URI },
82 		{ "/127.0.0.1:/git/",
83 		    NULL, NULL, NULL, NULL, NULL, GOT_ERR_PARSE_URI },
84 
85 		{ "git://127.0.0.1/git/myrepo",
86 		    "git", "127.0.0.1", NULL,
87 		    "/git/myrepo", "myrepo", GOT_ERR_OK },
88 		{ "http://127.0.0.1/git/myrepo",
89 		    "http", "127.0.0.1", NULL,
90 		    "/git/myrepo", "myrepo", GOT_ERR_OK },
91 		{ "gopher://127.0.0.1/git/myrepo",
92 		    "gopher", "127.0.0.1", NULL,
93 		    "/git/myrepo", "myrepo", GOT_ERR_OK },
94 
95 		{ "git://127.0.0.1:22/git/myrepo",
96 		    "git", "127.0.0.1", "22", "/git/myrepo", "myrepo",
97 		    GOT_ERR_OK },
98 		{ "git://127.0.0.1/git/repos/foo/bar/myrepo.git",
99 		    "git", "127.0.0.1", NULL,
100 		    "/git/repos/foo/bar/myrepo.git", "myrepo", GOT_ERR_OK },
101 		{ "https://127.0.0.1/git/repos/foo/../bar/myrepo.git",
102 		    "https", "127.0.0.1", NULL,
103 		    "/git/repos/foo/../bar/myrepo.git", "myrepo",
104 		    GOT_ERR_OK },
105 
106 		{ "git+ssh://127.0.0.1:22/git/myrepo",
107 		    "git+ssh", "127.0.0.1", "22", "/git/myrepo", "myrepo",
108 		    GOT_ERR_OK },
109 		{ "ssh://127.0.0.1:22/git/myrepo",
110 		    "ssh", "127.0.0.1", "22", "/git/myrepo", "myrepo",
111 		    GOT_ERR_OK },
112 
113 		{ "127.0.0.1:git/myrepo",
114 		    "ssh", "127.0.0.1", NULL, "git/myrepo", "myrepo",
115 		    GOT_ERR_OK },
116 		{ "127.0.0.1:/git/myrepo",
117 		    "ssh", "127.0.0.1", NULL, "/git/myrepo", "myrepo",
118 		    GOT_ERR_OK },
119 		{ "127.0.0.1:22/git/myrepo",
120 		    "ssh", "127.0.0.1", NULL, "22/git/myrepo", "myrepo",
121 		    GOT_ERR_OK },
122 	};
123 	int i;
124 
125 	for (i = 0; i < nitems(test_data); i++) {
126 		const char *uri = test_data[i].uri;
127 		const char *expected_proto = test_data[i].proto;
128 		const char *expected_host = test_data[i].host;
129 		const char *expected_port = test_data[i].port;
130 		const char *expected_server_path = test_data[i].server_path;
131 		const char *expected_repo_name = test_data[i].repo_name;
132 		char *proto, *host, *port, *server_path, *repo_name;
133 
134 		err = got_fetch_parse_uri(&proto, &host, &port, &server_path,
135 		    &repo_name, uri);
136 		if (err && err->code != test_data[i].errcode) {
137 			test_printf("%d: error code %d; expected %d\n",
138 			    i, err->code, test_data[i].errcode);
139 			return 0;
140 		}
141 
142 		if (expected_proto == NULL && proto != NULL) {
143 			test_printf("%d: proto %s; expected NULL\n", i, proto);
144 			return 0;
145 		}
146 		if (expected_host == NULL && host != NULL) {
147 			test_printf("%d: host %s; expected NULL\n", i, host);
148 			return 0;
149 		}
150 		if (expected_port == NULL && port != NULL) {
151 			test_printf("%d: port %s; expected NULL\n", i, port);
152 			return 0;
153 		}
154 		if (expected_server_path == NULL && server_path != NULL) {
155 			test_printf("%d: server path %s; expected NULL\n", i,
156 			    server_path);
157 			return 0;
158 		}
159 		if (expected_repo_name == NULL && repo_name != NULL) {
160 			test_printf("%d: repo name %s; expected NULL\n", i,
161 			    repo_name);
162 			return 0;
163 		}
164 
165 		if (expected_proto != NULL && proto == NULL) {
166 			test_printf("%d: proto NULL; expected %s\n", i,
167 			    expected_proto);
168 			return 0;
169 		}
170 		if (expected_host != NULL && host == NULL) {
171 			test_printf("%d: host NULL; expected %s\n", i,
172 			    expected_host);
173 			return 0;
174 		}
175 		if (expected_port != NULL && port == NULL) {
176 			test_printf("%d: port NULL; expected %s\n", i,
177 			    expected_port);
178 			return 0;
179 		}
180 		if (expected_server_path != NULL && server_path == NULL) {
181 			test_printf("%d: server path %s; expected %s\n", i,
182 			    expected_server_path);
183 			return 0;
184 		}
185 		if (expected_repo_name != NULL && repo_name == NULL) {
186 			test_printf("%d: repo name NULL; expected %s\n", i,
187 			    repo_name);
188 			return 0;
189 		}
190 
191 		if (expected_proto != NULL && strcmp(expected_proto, proto)) {
192 			test_printf("%d: proto %s; expected %s\n", i, proto,
193 			    expected_proto);
194 			return 0;
195 		}
196 
197 		if (expected_host != NULL && strcmp(expected_host, host)) {
198 			test_printf("%d: host %s; expected %s\n", i, host,
199 			    expected_host);
200 			return 0;
201 		}
202 
203 		if (expected_port != NULL && strcmp(expected_port, port)) {
204 			test_printf("%d: port %s; expected %s\n", i, port,
205 			    expected_port);
206 			return 0;
207 		}
208 
209 		if (expected_server_path != NULL &&
210 		    strcmp(expected_server_path, server_path)) {
211 			test_printf("%d: server_path %s; expected %s\n", i,
212 			    server_path, expected_server_path);
213 			return 0;
214 		}
215 
216 		if (expected_repo_name != NULL &&
217 		    strcmp(expected_repo_name, repo_name)) {
218 			test_printf("%d: repo_name %s; expected %s\n", i,
219 			    repo_name, expected_repo_name);
220 			return 0;
221 		}
222 
223 		free(proto);
224 		proto = NULL;
225 		free(host);
226 		host = NULL;
227 		free(port);
228 		port = NULL;
229 		free(server_path);
230 		server_path = NULL;
231 		free(repo_name);
232 		repo_name = NULL;
233 	}
234 
235 	return 1;
236 }
237 
238 #define RUN_TEST(expr, name) \
239 	{ test_ok = (expr);  \
240 	printf("test_%s %s\n", (name), test_ok ? "ok" : "failed"); \
241 	failure = (failure || !test_ok); }
242 
243 void
244 usage(void)
245 {
246 	fprintf(stderr, "usage: fetch_test [-v]\n");
247 }
248 
249 int
250 main(int argc, char *argv[])
251 {
252 	int test_ok = 0, failure = 0;
253 	int ch;
254 
255 #ifndef PROFILE
256 	if (pledge("stdio", NULL) == -1)
257 		err(1, "pledge");
258 #endif
259 
260 	while ((ch = getopt(argc, argv, "v")) != -1) {
261 		switch (ch) {
262 		case 'v':
263 			verbose = 1;
264 			break;
265 		default:
266 			usage();
267 			return 1;
268 		}
269 	}
270 	argc -= optind;
271 	argv += optind;
272 
273 	RUN_TEST(fetch_parse_uri(), "fetch_parse_uri");
274 
275 	return failure ? 1 : 0;
276 }