1 257add31 2020-09-09 stsp /*
  2 257add31 2020-09-09 stsp  * Copyright (c) 2020 Stefan Sperling <stsp@openbsd.org>
  3 257add31 2020-09-09 stsp  *
  4 257add31 2020-09-09 stsp  * Permission to use, copy, modify, and distribute this software for any
  5 257add31 2020-09-09 stsp  * purpose with or without fee is hereby granted, provided that the above
  6 257add31 2020-09-09 stsp  * copyright notice and this permission notice appear in all copies.
  7 257add31 2020-09-09 stsp  *
  8 257add31 2020-09-09 stsp  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 257add31 2020-09-09 stsp  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 257add31 2020-09-09 stsp  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 257add31 2020-09-09 stsp  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 257add31 2020-09-09 stsp  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 257add31 2020-09-09 stsp  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 257add31 2020-09-09 stsp  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 257add31 2020-09-09 stsp  */
 16 4fccd2fe 2023-03-08 thomas 
 17 4fccd2fe 2023-03-08 thomas #include "got_compat.h"
 18 257add31 2020-09-09 stsp 
 19 257add31 2020-09-09 stsp #include <sys/types.h>
 20 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
 21 257add31 2020-09-09 stsp #include <sys/uio.h>
 22 257add31 2020-09-09 stsp #include <sys/time.h>
 23 257add31 2020-09-09 stsp 
 24 257add31 2020-09-09 stsp #include <stdint.h>
 25 257add31 2020-09-09 stsp #include <limits.h>
 26 257add31 2020-09-09 stsp #include <signal.h>
 27 257add31 2020-09-09 stsp #include <stdio.h>
 28 257add31 2020-09-09 stsp #include <stdlib.h>
 29 257add31 2020-09-09 stsp #include <string.h>
 30 e12e0e21 2020-09-14 naddy #include <unistd.h>
 31 257add31 2020-09-09 stsp #include <zlib.h>
 32 257add31 2020-09-09 stsp 
 33 257add31 2020-09-09 stsp #include "got_error.h"
 34 257add31 2020-09-09 stsp #include "got_object.h"
 35 5e082626 2020-09-24 stsp #include "got_path.h"
 36 257add31 2020-09-09 stsp #include "got_repository.h"
 37 257add31 2020-09-09 stsp 
 38 257add31 2020-09-09 stsp #include "got_lib_delta.h"
 39 257add31 2020-09-09 stsp #include "got_lib_object.h"
 40 257add31 2020-09-09 stsp #include "got_lib_privsep.h"
 41 257add31 2020-09-09 stsp 
 42 257add31 2020-09-09 stsp #include "gotconfig.h"
 43 257add31 2020-09-09 stsp 
 44 257add31 2020-09-09 stsp /* parse.y */
 45 257add31 2020-09-09 stsp static volatile sig_atomic_t sigint_received;
 46 257add31 2020-09-09 stsp 
 47 257add31 2020-09-09 stsp static void
 48 257add31 2020-09-09 stsp catch_sigint(int signo)
 49 257add31 2020-09-09 stsp {
 50 257add31 2020-09-09 stsp 	sigint_received = 1;
 51 257add31 2020-09-09 stsp }
 52 257add31 2020-09-09 stsp 
 53 257add31 2020-09-09 stsp static const struct got_error *
 54 6480c871 2021-08-30 stsp make_fetch_url(char **url, struct gotconfig_remote_repo *repo)
 55 257add31 2020-09-09 stsp {
 56 257add31 2020-09-09 stsp 	const struct got_error *err = NULL;
 57 257add31 2020-09-09 stsp 	char *s = NULL, *p = NULL;
 58 6480c871 2021-08-30 stsp 	const char *protocol, *server, *repo_path;
 59 6480c871 2021-08-30 stsp 	int port;
 60 257add31 2020-09-09 stsp 
 61 257add31 2020-09-09 stsp 	*url = NULL;
 62 257add31 2020-09-09 stsp 
 63 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->protocol)
 64 6480c871 2021-08-30 stsp 		protocol = repo->fetch_config->protocol;
 65 6480c871 2021-08-30 stsp 	else
 66 6480c871 2021-08-30 stsp 		protocol = repo->protocol;
 67 6480c871 2021-08-30 stsp 	if (protocol == NULL)
 68 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
 69 6480c871 2021-08-30 stsp 		    "fetch protocol required for remote repository \"%s\"",
 70 6480c871 2021-08-30 stsp 		    repo->name);
 71 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s://", protocol) == -1)
 72 257add31 2020-09-09 stsp 		return got_error_from_errno("asprintf");
 73 257add31 2020-09-09 stsp 
 74 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->server)
 75 6480c871 2021-08-30 stsp 		server = repo->fetch_config->server;
 76 6480c871 2021-08-30 stsp 	else
 77 6480c871 2021-08-30 stsp 		server = repo->server;
 78 6480c871 2021-08-30 stsp 	if (server == NULL)
 79 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
 80 6480c871 2021-08-30 stsp 		    "fetch server required for remote repository \"%s\"",
 81 6480c871 2021-08-30 stsp 		    repo->name);
 82 6480c871 2021-08-30 stsp 	p = s;
 83 6480c871 2021-08-30 stsp 	s = NULL;
 84 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s%s", p, server) == -1) {
 85 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
 86 6480c871 2021-08-30 stsp 		goto done;
 87 257add31 2020-09-09 stsp 	}
 88 6480c871 2021-08-30 stsp 	free(p);
 89 6480c871 2021-08-30 stsp 	p = NULL;
 90 257add31 2020-09-09 stsp 
 91 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->server)
 92 6480c871 2021-08-30 stsp 		port = repo->fetch_config->port;
 93 6480c871 2021-08-30 stsp 	else
 94 6480c871 2021-08-30 stsp 		port = repo->port;
 95 6480c871 2021-08-30 stsp 	if (port) {
 96 257add31 2020-09-09 stsp 		p = s;
 97 257add31 2020-09-09 stsp 		s = NULL;
 98 257add31 2020-09-09 stsp 		if (asprintf(&s, "%s:%d", p, repo->port) == -1) {
 99 257add31 2020-09-09 stsp 			err = got_error_from_errno("asprintf");
100 257add31 2020-09-09 stsp 			goto done;
101 257add31 2020-09-09 stsp 		}
102 257add31 2020-09-09 stsp 		free(p);
103 257add31 2020-09-09 stsp 		p = NULL;
104 257add31 2020-09-09 stsp 	}
105 257add31 2020-09-09 stsp 
106 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->repository)
107 6480c871 2021-08-30 stsp 		repo_path = repo->fetch_config->repository;
108 6480c871 2021-08-30 stsp 	else
109 6480c871 2021-08-30 stsp 		repo_path = repo->repository;
110 6480c871 2021-08-30 stsp 	if (repo_path == NULL)
111 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
112 6480c871 2021-08-30 stsp 		    "fetch repository path required for remote "
113 6480c871 2021-08-30 stsp 		    "repository \"%s\"", repo->name);
114 6480c871 2021-08-30 stsp 
115 6480c871 2021-08-30 stsp 	while (repo_path[0] == '/')
116 6480c871 2021-08-30 stsp 		repo_path++;
117 6480c871 2021-08-30 stsp 	p = s;
118 6480c871 2021-08-30 stsp 	s = NULL;
119 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s/%s", p, repo_path) == -1) {
120 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
121 6480c871 2021-08-30 stsp 		goto done;
122 6480c871 2021-08-30 stsp 	}
123 6480c871 2021-08-30 stsp 	free(p);
124 6480c871 2021-08-30 stsp 	p = NULL;
125 6480c871 2021-08-30 stsp 
126 6480c871 2021-08-30 stsp 	got_path_strip_trailing_slashes(s);
127 6480c871 2021-08-30 stsp done:
128 6480c871 2021-08-30 stsp 	if (err) {
129 6480c871 2021-08-30 stsp 		free(s);
130 6480c871 2021-08-30 stsp 		free(p);
131 6480c871 2021-08-30 stsp 	} else
132 6480c871 2021-08-30 stsp 		*url = s;
133 6480c871 2021-08-30 stsp 	return err;
134 6480c871 2021-08-30 stsp }
135 6480c871 2021-08-30 stsp 
136 6480c871 2021-08-30 stsp static const struct got_error *
137 6480c871 2021-08-30 stsp make_send_url(char **url, struct gotconfig_remote_repo *repo)
138 6480c871 2021-08-30 stsp {
139 6480c871 2021-08-30 stsp 	const struct got_error *err = NULL;
140 6480c871 2021-08-30 stsp 	char *s = NULL, *p = NULL;
141 6480c871 2021-08-30 stsp 	const char *protocol, *server, *repo_path;
142 6480c871 2021-08-30 stsp 	int port;
143 6480c871 2021-08-30 stsp 
144 6480c871 2021-08-30 stsp 	*url = NULL;
145 6480c871 2021-08-30 stsp 
146 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->protocol)
147 6480c871 2021-08-30 stsp 		protocol = repo->send_config->protocol;
148 6480c871 2021-08-30 stsp 	else
149 6480c871 2021-08-30 stsp 		protocol = repo->protocol;
150 6480c871 2021-08-30 stsp 	if (protocol == NULL)
151 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
152 6480c871 2021-08-30 stsp 		    "send protocol required for remote repository \"%s\"",
153 6480c871 2021-08-30 stsp 		    repo->name);
154 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s://", protocol) == -1)
155 6480c871 2021-08-30 stsp 		return got_error_from_errno("asprintf");
156 6480c871 2021-08-30 stsp 
157 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->server)
158 6480c871 2021-08-30 stsp 		server = repo->send_config->server;
159 6480c871 2021-08-30 stsp 	else
160 6480c871 2021-08-30 stsp 		server = repo->server;
161 6480c871 2021-08-30 stsp 	if (server == NULL)
162 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
163 6480c871 2021-08-30 stsp 		    "send server required for remote repository \"%s\"",
164 6480c871 2021-08-30 stsp 		    repo->name);
165 6480c871 2021-08-30 stsp 	p = s;
166 6480c871 2021-08-30 stsp 	s = NULL;
167 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s%s", p, server) == -1) {
168 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
169 6480c871 2021-08-30 stsp 		goto done;
170 6480c871 2021-08-30 stsp 	}
171 6480c871 2021-08-30 stsp 	free(p);
172 6480c871 2021-08-30 stsp 	p = NULL;
173 6480c871 2021-08-30 stsp 
174 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->server)
175 6480c871 2021-08-30 stsp 		port = repo->send_config->port;
176 6480c871 2021-08-30 stsp 	else
177 6480c871 2021-08-30 stsp 		port = repo->port;
178 6480c871 2021-08-30 stsp 	if (port) {
179 257add31 2020-09-09 stsp 		p = s;
180 257add31 2020-09-09 stsp 		s = NULL;
181 6480c871 2021-08-30 stsp 		if (asprintf(&s, "%s:%d", p, repo->port) == -1) {
182 257add31 2020-09-09 stsp 			err = got_error_from_errno("asprintf");
183 257add31 2020-09-09 stsp 			goto done;
184 257add31 2020-09-09 stsp 		}
185 257add31 2020-09-09 stsp 		free(p);
186 257add31 2020-09-09 stsp 		p = NULL;
187 257add31 2020-09-09 stsp 	}
188 5e082626 2020-09-24 stsp 
189 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->repository)
190 6480c871 2021-08-30 stsp 		repo_path = repo->send_config->repository;
191 6480c871 2021-08-30 stsp 	else
192 6480c871 2021-08-30 stsp 		repo_path = repo->repository;
193 6480c871 2021-08-30 stsp 	if (repo_path == NULL)
194 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
195 6480c871 2021-08-30 stsp 		    "send repository path required for remote "
196 6480c871 2021-08-30 stsp 		    "repository \"%s\"", repo->name);
197 6480c871 2021-08-30 stsp 
198 6480c871 2021-08-30 stsp 	while (repo_path[0] == '/')
199 6480c871 2021-08-30 stsp 		repo_path++;
200 6480c871 2021-08-30 stsp 	p = s;
201 6480c871 2021-08-30 stsp 	s = NULL;
202 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s/%s", p, repo_path) == -1) {
203 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
204 6480c871 2021-08-30 stsp 		goto done;
205 6480c871 2021-08-30 stsp 	}
206 6480c871 2021-08-30 stsp 	free(p);
207 6480c871 2021-08-30 stsp 	p = NULL;
208 6480c871 2021-08-30 stsp 
209 5e082626 2020-09-24 stsp 	got_path_strip_trailing_slashes(s);
210 257add31 2020-09-09 stsp done:
211 257add31 2020-09-09 stsp 	if (err) {
212 257add31 2020-09-09 stsp 		free(s);
213 257add31 2020-09-09 stsp 		free(p);
214 257add31 2020-09-09 stsp 	} else
215 257add31 2020-09-09 stsp 		*url = s;
216 257add31 2020-09-09 stsp 	return err;
217 257add31 2020-09-09 stsp }
218 257add31 2020-09-09 stsp 
219 257add31 2020-09-09 stsp static const struct got_error *
220 257add31 2020-09-09 stsp send_gotconfig_str(struct imsgbuf *ibuf, const char *value)
221 257add31 2020-09-09 stsp {
222 be96c417 2020-09-17 stsp 	size_t len = value ? strlen(value) : 0;
223 257add31 2020-09-09 stsp 
224 257add31 2020-09-09 stsp 	if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_STR_VAL, 0, 0, -1,
225 257add31 2020-09-09 stsp 	    value, len) == -1)
226 257add31 2020-09-09 stsp 		return got_error_from_errno("imsg_compose GOTCONFIG_STR_VAL");
227 257add31 2020-09-09 stsp 
228 257add31 2020-09-09 stsp 	return got_privsep_flush_imsg(ibuf);
229 257add31 2020-09-09 stsp }
230 257add31 2020-09-09 stsp 
231 257add31 2020-09-09 stsp static const struct got_error *
232 257add31 2020-09-09 stsp send_gotconfig_remotes(struct imsgbuf *ibuf,
233 257add31 2020-09-09 stsp     struct gotconfig_remote_repo_list *remotes, int nremotes)
234 257add31 2020-09-09 stsp {
235 257add31 2020-09-09 stsp 	const struct got_error *err = NULL;
236 257add31 2020-09-09 stsp 	struct got_imsg_remotes iremotes;
237 257add31 2020-09-09 stsp 	struct gotconfig_remote_repo *repo;
238 6480c871 2021-08-30 stsp 	char *fetch_url = NULL, *send_url = NULL;
239 257add31 2020-09-09 stsp 
240 257add31 2020-09-09 stsp 	iremotes.nremotes = nremotes;
241 257add31 2020-09-09 stsp 	if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_REMOTES, 0, 0, -1,
242 257add31 2020-09-09 stsp 	    &iremotes, sizeof(iremotes)) == -1)
243 257add31 2020-09-09 stsp 		return got_error_from_errno("imsg_compose GOTCONFIG_REMOTES");
244 257add31 2020-09-09 stsp 
245 257add31 2020-09-09 stsp 	err = got_privsep_flush_imsg(ibuf);
246 257add31 2020-09-09 stsp 	imsg_clear(ibuf);
247 257add31 2020-09-09 stsp 	if (err)
248 257add31 2020-09-09 stsp 		return err;
249 257add31 2020-09-09 stsp 
250 257add31 2020-09-09 stsp 	TAILQ_FOREACH(repo, remotes, entry) {
251 257add31 2020-09-09 stsp 		struct got_imsg_remote iremote;
252 257add31 2020-09-09 stsp 		size_t len = sizeof(iremote);
253 257add31 2020-09-09 stsp 		struct ibuf *wbuf;
254 b8adfa55 2020-09-25 stsp 		struct node_branch *branch;
255 99495ddb 2021-01-10 stsp 		struct node_ref *ref;
256 6480c871 2021-08-30 stsp 		int nfetch_branches = 0, nsend_branches = 0, nfetch_refs = 0;
257 257add31 2020-09-09 stsp 
258 93f8a337 2021-08-30 naddy 		if (repo->fetch_config && repo->fetch_config->branch)
259 6480c871 2021-08-30 stsp 			branch = repo->fetch_config->branch;
260 93f8a337 2021-08-30 naddy 		else
261 6480c871 2021-08-30 stsp 			branch = repo->branch;
262 93f8a337 2021-08-30 naddy 		while (branch) {
263 93f8a337 2021-08-30 naddy 			branch = branch->next;
264 93f8a337 2021-08-30 naddy 			nfetch_branches++;
265 99495ddb 2021-01-10 stsp 		}
266 99495ddb 2021-01-10 stsp 
267 93f8a337 2021-08-30 naddy 		if (repo->send_config && repo->send_config->branch)
268 6480c871 2021-08-30 stsp 			branch = repo->send_config->branch;
269 93f8a337 2021-08-30 naddy 		else
270 6480c871 2021-08-30 stsp 			branch = repo->branch;
271 93f8a337 2021-08-30 naddy 		while (branch) {
272 93f8a337 2021-08-30 naddy 			branch = branch->next;
273 93f8a337 2021-08-30 naddy 			nsend_branches++;
274 6480c871 2021-08-30 stsp 		}
275 6480c871 2021-08-30 stsp 
276 6480c871 2021-08-30 stsp 		ref = repo->fetch_ref;
277 99495ddb 2021-01-10 stsp 		while (ref) {
278 99495ddb 2021-01-10 stsp 			ref = ref->next;
279 6480c871 2021-08-30 stsp 			nfetch_refs++;
280 b8adfa55 2020-09-25 stsp 		}
281 b8adfa55 2020-09-25 stsp 
282 6480c871 2021-08-30 stsp 		iremote.nfetch_branches = nfetch_branches;
283 6480c871 2021-08-30 stsp 		iremote.nsend_branches = nsend_branches;
284 6480c871 2021-08-30 stsp 		iremote.nfetch_refs = nfetch_refs;
285 257add31 2020-09-09 stsp 		iremote.mirror_references = repo->mirror_references;
286 0c8b29c5 2021-01-05 stsp 		iremote.fetch_all_branches = repo->fetch_all_branches;
287 257add31 2020-09-09 stsp 
288 257add31 2020-09-09 stsp 		iremote.name_len = strlen(repo->name);
289 257add31 2020-09-09 stsp 		len += iremote.name_len;
290 257add31 2020-09-09 stsp 
291 6480c871 2021-08-30 stsp 		err = make_fetch_url(&fetch_url, repo);
292 257add31 2020-09-09 stsp 		if (err)
293 257add31 2020-09-09 stsp 			break;
294 6480c871 2021-08-30 stsp 		iremote.fetch_url_len = strlen(fetch_url);
295 6480c871 2021-08-30 stsp 		len += iremote.fetch_url_len;
296 6480c871 2021-08-30 stsp 
297 6480c871 2021-08-30 stsp 		err = make_send_url(&send_url, repo);
298 6480c871 2021-08-30 stsp 		if (err)
299 6480c871 2021-08-30 stsp 			break;
300 6480c871 2021-08-30 stsp 		iremote.send_url_len = strlen(send_url);
301 6480c871 2021-08-30 stsp 		len += iremote.send_url_len;
302 257add31 2020-09-09 stsp 
303 257add31 2020-09-09 stsp 		wbuf = imsg_create(ibuf, GOT_IMSG_GOTCONFIG_REMOTE, 0, 0, len);
304 257add31 2020-09-09 stsp 		if (wbuf == NULL) {
305 257add31 2020-09-09 stsp 			err = got_error_from_errno(
306 257add31 2020-09-09 stsp 			    "imsg_create GOTCONFIG_REMOTE");
307 257add31 2020-09-09 stsp 			break;
308 257add31 2020-09-09 stsp 		}
309 257add31 2020-09-09 stsp 
310 257add31 2020-09-09 stsp 		if (imsg_add(wbuf, &iremote, sizeof(iremote)) == -1) {
311 257add31 2020-09-09 stsp 			err = got_error_from_errno(
312 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
313 257add31 2020-09-09 stsp 			break;
314 257add31 2020-09-09 stsp 		}
315 257add31 2020-09-09 stsp 
316 257add31 2020-09-09 stsp 		if (imsg_add(wbuf, repo->name, iremote.name_len) == -1) {
317 257add31 2020-09-09 stsp 			err = got_error_from_errno(
318 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
319 257add31 2020-09-09 stsp 			break;
320 257add31 2020-09-09 stsp 		}
321 6480c871 2021-08-30 stsp 		if (imsg_add(wbuf, fetch_url, iremote.fetch_url_len) == -1) {
322 257add31 2020-09-09 stsp 			err = got_error_from_errno(
323 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
324 257add31 2020-09-09 stsp 			break;
325 257add31 2020-09-09 stsp 		}
326 6480c871 2021-08-30 stsp 		if (imsg_add(wbuf, send_url, iremote.send_url_len) == -1) {
327 6480c871 2021-08-30 stsp 			err = got_error_from_errno(
328 6480c871 2021-08-30 stsp 			    "imsg_add GOTCONFIG_REMOTE");
329 6480c871 2021-08-30 stsp 			break;
330 6480c871 2021-08-30 stsp 		}
331 257add31 2020-09-09 stsp 
332 257add31 2020-09-09 stsp 		imsg_close(ibuf, wbuf);
333 257add31 2020-09-09 stsp 		err = got_privsep_flush_imsg(ibuf);
334 257add31 2020-09-09 stsp 		if (err)
335 257add31 2020-09-09 stsp 			break;
336 257add31 2020-09-09 stsp 
337 6480c871 2021-08-30 stsp 		free(fetch_url);
338 6480c871 2021-08-30 stsp 		fetch_url = NULL;
339 6480c871 2021-08-30 stsp 		free(send_url);
340 6480c871 2021-08-30 stsp 		send_url = NULL;
341 b8adfa55 2020-09-25 stsp 
342 93f8a337 2021-08-30 naddy 		if (repo->fetch_config && repo->fetch_config->branch)
343 6480c871 2021-08-30 stsp 			branch = repo->fetch_config->branch;
344 93f8a337 2021-08-30 naddy 		else
345 6480c871 2021-08-30 stsp 			branch = repo->branch;
346 93f8a337 2021-08-30 naddy 		while (branch) {
347 93f8a337 2021-08-30 naddy 			err = send_gotconfig_str(ibuf, branch->branch_name);
348 93f8a337 2021-08-30 naddy 			if (err)
349 93f8a337 2021-08-30 naddy 				break;
350 93f8a337 2021-08-30 naddy 			branch = branch->next;
351 b8adfa55 2020-09-25 stsp 		}
352 99495ddb 2021-01-10 stsp 
353 93f8a337 2021-08-30 naddy 		if (repo->send_config && repo->send_config->branch)
354 6480c871 2021-08-30 stsp 			branch = repo->send_config->branch;
355 93f8a337 2021-08-30 naddy 		else
356 6480c871 2021-08-30 stsp 			branch = repo->branch;
357 93f8a337 2021-08-30 naddy 		while (branch) {
358 93f8a337 2021-08-30 naddy 			err = send_gotconfig_str(ibuf, branch->branch_name);
359 93f8a337 2021-08-30 naddy 			if (err)
360 93f8a337 2021-08-30 naddy 				break;
361 93f8a337 2021-08-30 naddy 			branch = branch->next;
362 6480c871 2021-08-30 stsp 		}
363 6480c871 2021-08-30 stsp 
364 6480c871 2021-08-30 stsp 		ref = repo->fetch_ref;
365 99495ddb 2021-01-10 stsp 		while (ref) {
366 99495ddb 2021-01-10 stsp 			err = send_gotconfig_str(ibuf, ref->ref_name);
367 99495ddb 2021-01-10 stsp 			if (err)
368 99495ddb 2021-01-10 stsp 				break;
369 99495ddb 2021-01-10 stsp 			ref = ref->next;
370 99495ddb 2021-01-10 stsp 		}
371 257add31 2020-09-09 stsp 	}
372 257add31 2020-09-09 stsp 
373 6480c871 2021-08-30 stsp 	free(fetch_url);
374 6480c871 2021-08-30 stsp 	free(send_url);
375 257add31 2020-09-09 stsp 	return err;
376 257add31 2020-09-09 stsp }
377 257add31 2020-09-09 stsp 
378 257add31 2020-09-09 stsp static const struct got_error *
379 f1cacac7 2021-08-29 stsp validate_protocol(const char *protocol, const char *repo_name)
380 f1cacac7 2021-08-29 stsp {
381 f1cacac7 2021-08-29 stsp 	static char msg[512];
382 f1cacac7 2021-08-29 stsp 
383 f1cacac7 2021-08-29 stsp 	if (strcmp(protocol, "ssh") != 0 &&
384 f1cacac7 2021-08-29 stsp 	    strcmp(protocol, "git+ssh") != 0 &&
385 37e7d69e 2024-04-25 thomas.ad 	    strcmp(protocol, "git") != 0 &&
386 37e7d69e 2024-04-25 thomas.ad 	    strcmp(protocol, "git+http") != 0 &&
387 37e7d69e 2024-04-25 thomas.ad 	    strcmp(protocol, "http") != 0 &&
388 37e7d69e 2024-04-25 thomas.ad 	    strcmp(protocol, "https") != 0 &&
389 37e7d69e 2024-04-25 thomas.ad 	    strcmp(protocol, "git+https") != 0) {
390 f1cacac7 2021-08-29 stsp 		snprintf(msg, sizeof(msg),"unknown protocol \"%s\" "
391 f1cacac7 2021-08-29 stsp 		    "for remote repository \"%s\"", protocol, repo_name);
392 f1cacac7 2021-08-29 stsp 		return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
393 f1cacac7 2021-08-29 stsp 	}
394 f1cacac7 2021-08-29 stsp 
395 f1cacac7 2021-08-29 stsp 	return NULL;
396 f1cacac7 2021-08-29 stsp }
397 f1cacac7 2021-08-29 stsp 
398 f1cacac7 2021-08-29 stsp static const struct got_error *
399 257add31 2020-09-09 stsp validate_config(struct gotconfig *gotconfig)
400 257add31 2020-09-09 stsp {
401 f1cacac7 2021-08-29 stsp 	const struct got_error *err;
402 257add31 2020-09-09 stsp 	struct gotconfig_remote_repo *repo, *repo2;
403 257add31 2020-09-09 stsp 	static char msg[512];
404 257add31 2020-09-09 stsp 
405 257add31 2020-09-09 stsp 	TAILQ_FOREACH(repo, &gotconfig->remotes, entry) {
406 257add31 2020-09-09 stsp 		if (repo->name == NULL) {
407 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG,
408 257add31 2020-09-09 stsp 			    "name required for remote repository");
409 257add31 2020-09-09 stsp 		}
410 257add31 2020-09-09 stsp 
411 257add31 2020-09-09 stsp 		TAILQ_FOREACH(repo2, &gotconfig->remotes, entry) {
412 257add31 2020-09-09 stsp 			if (repo == repo2 ||
413 257add31 2020-09-09 stsp 			    strcmp(repo->name, repo2->name) != 0)
414 257add31 2020-09-09 stsp 				continue;
415 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
416 257add31 2020-09-09 stsp 			    "duplicate remote repository name '%s'",
417 257add31 2020-09-09 stsp 			    repo->name);
418 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
419 257add31 2020-09-09 stsp 		}
420 257add31 2020-09-09 stsp 
421 f1cacac7 2021-08-29 stsp 		if (repo->server == NULL &&
422 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
423 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->server == NULL) &&
424 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
425 f1cacac7 2021-08-29 stsp 		    repo->send_config->server == NULL)) {
426 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
427 257add31 2020-09-09 stsp 			    "server required for remote repository \"%s\"",
428 257add31 2020-09-09 stsp 			    repo->name);
429 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
430 257add31 2020-09-09 stsp 		}
431 257add31 2020-09-09 stsp 
432 f1cacac7 2021-08-29 stsp 		if (repo->protocol == NULL &&
433 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
434 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->protocol == NULL) &&
435 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
436 f1cacac7 2021-08-29 stsp 		    repo->send_config->protocol == NULL)) {
437 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
438 257add31 2020-09-09 stsp 			    "protocol required for remote repository \"%s\"",
439 257add31 2020-09-09 stsp 			    repo->name);
440 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
441 257add31 2020-09-09 stsp 		}
442 f1cacac7 2021-08-29 stsp 
443 f1cacac7 2021-08-29 stsp 		if (repo->protocol) {
444 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->protocol, repo->name);
445 f1cacac7 2021-08-29 stsp 			if (err)
446 f1cacac7 2021-08-29 stsp 				return err;
447 f1cacac7 2021-08-29 stsp 		}
448 f1cacac7 2021-08-29 stsp 		if (repo->fetch_config && repo->fetch_config->protocol) {
449 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->fetch_config->protocol,
450 257add31 2020-09-09 stsp 			    repo->name);
451 f1cacac7 2021-08-29 stsp 			if (err)
452 f1cacac7 2021-08-29 stsp 				return err;
453 257add31 2020-09-09 stsp 		}
454 f1cacac7 2021-08-29 stsp 		if (repo->send_config && repo->send_config->protocol) {
455 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->send_config->protocol,
456 f1cacac7 2021-08-29 stsp 			    repo->name);
457 f1cacac7 2021-08-29 stsp 			if (err)
458 f1cacac7 2021-08-29 stsp 				return err;
459 f1cacac7 2021-08-29 stsp 		}
460 257add31 2020-09-09 stsp 
461 f1cacac7 2021-08-29 stsp 		if (repo->repository == NULL &&
462 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
463 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->repository == NULL) &&
464 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
465 f1cacac7 2021-08-29 stsp 		    repo->send_config->repository == NULL)) {
466 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
467 257add31 2020-09-09 stsp 			    "repository path required for remote "
468 257add31 2020-09-09 stsp 			    "repository \"%s\"", repo->name);
469 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
470 257add31 2020-09-09 stsp 		}
471 257add31 2020-09-09 stsp 	}
472 257add31 2020-09-09 stsp 
473 257add31 2020-09-09 stsp 	return NULL;
474 257add31 2020-09-09 stsp }
475 257add31 2020-09-09 stsp 
476 257add31 2020-09-09 stsp int
477 257add31 2020-09-09 stsp main(int argc, char *argv[])
478 257add31 2020-09-09 stsp {
479 257add31 2020-09-09 stsp 	const struct got_error *err = NULL;
480 257add31 2020-09-09 stsp 	struct imsgbuf ibuf;
481 53dfa00d 2020-09-10 stsp 	struct gotconfig *gotconfig = NULL;
482 257add31 2020-09-09 stsp 	size_t datalen;
483 257add31 2020-09-09 stsp 	const char *filename = "got.conf";
484 257add31 2020-09-09 stsp #if 0
485 257add31 2020-09-09 stsp 	static int attached;
486 257add31 2020-09-09 stsp 
487 257add31 2020-09-09 stsp 	while (!attached)
488 257add31 2020-09-09 stsp 		sleep(1);
489 257add31 2020-09-09 stsp #endif
490 257add31 2020-09-09 stsp 	signal(SIGINT, catch_sigint);
491 257add31 2020-09-09 stsp 
492 257add31 2020-09-09 stsp 	imsg_init(&ibuf, GOT_IMSG_FD_CHILD);
493 257add31 2020-09-09 stsp 
494 257add31 2020-09-09 stsp #ifndef PROFILE
495 257add31 2020-09-09 stsp 	/* revoke access to most system calls */
496 257add31 2020-09-09 stsp 	if (pledge("stdio recvfd", NULL) == -1) {
497 257add31 2020-09-09 stsp 		err = got_error_from_errno("pledge");
498 257add31 2020-09-09 stsp 		got_privsep_send_error(&ibuf, err);
499 257add31 2020-09-09 stsp 		return 1;
500 257add31 2020-09-09 stsp 	}
501 97799ccd 2022-02-06 thomas 
502 97799ccd 2022-02-06 thomas 	/* revoke fs access */
503 97799ccd 2022-02-06 thomas 	if (landlock_no_fs() == -1) {
504 97799ccd 2022-02-06 thomas 		err = got_error_from_errno("landlock_no_fs");
505 97799ccd 2022-02-06 thomas 		got_privsep_send_error(&ibuf, err);
506 97799ccd 2022-02-06 thomas 		return 1;
507 97799ccd 2022-02-06 thomas 	}
508 5d120ea8 2022-06-23 op 	if (cap_enter() == -1) {
509 5d120ea8 2022-06-23 op 		err = got_error_from_errno("cap_enter");
510 5d120ea8 2022-06-23 op 		got_privsep_send_error(&ibuf, err);
511 5d120ea8 2022-06-23 op 		return 1;
512 5d120ea8 2022-06-23 op 	}
513 257add31 2020-09-09 stsp #endif
514 257add31 2020-09-09 stsp 
515 257add31 2020-09-09 stsp 	if (argc > 1)
516 257add31 2020-09-09 stsp 		filename = argv[1];
517 257add31 2020-09-09 stsp 
518 257add31 2020-09-09 stsp 	for (;;) {
519 257add31 2020-09-09 stsp 		struct imsg imsg;
520 3d97effa 2024-01-31 thomas 		int fd = -1;
521 257add31 2020-09-09 stsp 
522 257add31 2020-09-09 stsp 		memset(&imsg, 0, sizeof(imsg));
523 257add31 2020-09-09 stsp 
524 257add31 2020-09-09 stsp 		if (sigint_received) {
525 257add31 2020-09-09 stsp 			err = got_error(GOT_ERR_CANCELLED);
526 257add31 2020-09-09 stsp 			break;
527 257add31 2020-09-09 stsp 		}
528 257add31 2020-09-09 stsp 
529 257add31 2020-09-09 stsp 		err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
530 257add31 2020-09-09 stsp 		if (err) {
531 257add31 2020-09-09 stsp 			if (err->code == GOT_ERR_PRIVSEP_PIPE)
532 257add31 2020-09-09 stsp 				err = NULL;
533 257add31 2020-09-09 stsp 			break;
534 257add31 2020-09-09 stsp 		}
535 257add31 2020-09-09 stsp 
536 257add31 2020-09-09 stsp 		if (imsg.hdr.type == GOT_IMSG_STOP)
537 257add31 2020-09-09 stsp 			break;
538 257add31 2020-09-09 stsp 
539 257add31 2020-09-09 stsp 		switch (imsg.hdr.type) {
540 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_PARSE_REQUEST:
541 257add31 2020-09-09 stsp 			datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
542 257add31 2020-09-09 stsp 			if (datalen != 0) {
543 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_LEN);
544 257add31 2020-09-09 stsp 				break;
545 257add31 2020-09-09 stsp 			}
546 3d97effa 2024-01-31 thomas 			fd = imsg_get_fd(&imsg);
547 3d97effa 2024-01-31 thomas 			if (fd == -1){
548 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_NO_FD);
549 257add31 2020-09-09 stsp 				break;
550 257add31 2020-09-09 stsp 			}
551 257add31 2020-09-09 stsp 
552 257add31 2020-09-09 stsp 			if (gotconfig)
553 257add31 2020-09-09 stsp 				gotconfig_free(gotconfig);
554 3d97effa 2024-01-31 thomas 			err = gotconfig_parse(&gotconfig, filename, &fd);
555 257add31 2020-09-09 stsp 			if (err)
556 257add31 2020-09-09 stsp 				break;
557 257add31 2020-09-09 stsp 			err = validate_config(gotconfig);
558 257add31 2020-09-09 stsp 			break;
559 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST:
560 257add31 2020-09-09 stsp 			if (gotconfig == NULL) {
561 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_MSG);
562 257add31 2020-09-09 stsp 				break;
563 257add31 2020-09-09 stsp 			}
564 257add31 2020-09-09 stsp 			err = send_gotconfig_str(&ibuf,
565 257add31 2020-09-09 stsp 			    gotconfig->author ?  gotconfig->author : "");
566 871bd038 2022-07-03 thomas 			break;
567 871bd038 2022-07-03 thomas 		case GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST:
568 871bd038 2022-07-03 thomas 			if (gotconfig == NULL) {
569 871bd038 2022-07-03 thomas 				err = got_error(GOT_ERR_PRIVSEP_MSG);
570 871bd038 2022-07-03 thomas 				break;
571 871bd038 2022-07-03 thomas 			}
572 871bd038 2022-07-03 thomas 			err = send_gotconfig_str(&ibuf,
573 871bd038 2022-07-03 thomas 			    gotconfig->allowed_signers_file ?
574 871bd038 2022-07-03 thomas 			        gotconfig->allowed_signers_file : "");
575 871bd038 2022-07-03 thomas 			break;
576 871bd038 2022-07-03 thomas 		case GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST:
577 871bd038 2022-07-03 thomas 			if (gotconfig == NULL) {
578 871bd038 2022-07-03 thomas 				err = got_error(GOT_ERR_PRIVSEP_MSG);
579 871bd038 2022-07-03 thomas 				break;
580 871bd038 2022-07-03 thomas 			}
581 871bd038 2022-07-03 thomas 			err = send_gotconfig_str(&ibuf,
582 871bd038 2022-07-03 thomas 			    gotconfig->revoked_signers_file ?
583 871bd038 2022-07-03 thomas 			        gotconfig->revoked_signers_file : "");
584 ff5e1f09 2022-07-06 thomas 			break;
585 ff5e1f09 2022-07-06 thomas 		case GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST:
586 ff5e1f09 2022-07-06 thomas 			if (gotconfig == NULL) {
587 ff5e1f09 2022-07-06 thomas 				err = got_error(GOT_ERR_PRIVSEP_MSG);
588 ff5e1f09 2022-07-06 thomas 				break;
589 ff5e1f09 2022-07-06 thomas 			}
590 ff5e1f09 2022-07-06 thomas 			err = send_gotconfig_str(&ibuf,
591 ff5e1f09 2022-07-06 thomas 			    gotconfig->signer_id ? gotconfig->signer_id : "");
592 257add31 2020-09-09 stsp 			break;
593 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_REMOTES_REQUEST:
594 257add31 2020-09-09 stsp 			if (gotconfig == NULL) {
595 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_MSG);
596 257add31 2020-09-09 stsp 				break;
597 257add31 2020-09-09 stsp 			}
598 257add31 2020-09-09 stsp 			err = send_gotconfig_remotes(&ibuf,
599 257add31 2020-09-09 stsp 			    &gotconfig->remotes, gotconfig->nremotes);
600 257add31 2020-09-09 stsp 			break;
601 257add31 2020-09-09 stsp 		default:
602 257add31 2020-09-09 stsp 			err = got_error(GOT_ERR_PRIVSEP_MSG);
603 257add31 2020-09-09 stsp 			break;
604 257add31 2020-09-09 stsp 		}
605 257add31 2020-09-09 stsp 
606 3d97effa 2024-01-31 thomas 		if (fd != -1) {
607 3d97effa 2024-01-31 thomas 			if (close(fd) == -1 && err == NULL)
608 257add31 2020-09-09 stsp 				err = got_error_from_errno("close");
609 257add31 2020-09-09 stsp 		}
610 257add31 2020-09-09 stsp 
611 257add31 2020-09-09 stsp 		imsg_free(&imsg);
612 257add31 2020-09-09 stsp 		if (err)
613 257add31 2020-09-09 stsp 			break;
614 257add31 2020-09-09 stsp 	}
615 257add31 2020-09-09 stsp 
616 257add31 2020-09-09 stsp 	imsg_clear(&ibuf);
617 257add31 2020-09-09 stsp 	if (err) {
618 257add31 2020-09-09 stsp 		if (!sigint_received && err->code != GOT_ERR_PRIVSEP_PIPE) {
619 257add31 2020-09-09 stsp 			fprintf(stderr, "%s: %s\n", getprogname(), err->msg);
620 257add31 2020-09-09 stsp 			got_privsep_send_error(&ibuf, err);
621 257add31 2020-09-09 stsp 		}
622 257add31 2020-09-09 stsp 	}
623 08578a35 2021-01-22 stsp 	if (close(GOT_IMSG_FD_CHILD) == -1 && err == NULL)
624 257add31 2020-09-09 stsp 		err = got_error_from_errno("close");
625 257add31 2020-09-09 stsp 	return err ? 1 : 0;
626 257add31 2020-09-09 stsp }