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 257add31 2020-09-09 stsp 
 17 257add31 2020-09-09 stsp #include <sys/types.h>
 18 257add31 2020-09-09 stsp #include <sys/queue.h>
 19 257add31 2020-09-09 stsp #include <sys/uio.h>
 20 257add31 2020-09-09 stsp #include <sys/time.h>
 21 257add31 2020-09-09 stsp 
 22 257add31 2020-09-09 stsp #include <stdint.h>
 23 257add31 2020-09-09 stsp #include <imsg.h>
 24 257add31 2020-09-09 stsp #include <limits.h>
 25 257add31 2020-09-09 stsp #include <signal.h>
 26 257add31 2020-09-09 stsp #include <stdio.h>
 27 257add31 2020-09-09 stsp #include <stdlib.h>
 28 257add31 2020-09-09 stsp #include <string.h>
 29 257add31 2020-09-09 stsp #include <sha1.h>
 30 5822e79e 2023-02-23 op #include <sha2.h>
 31 e12e0e21 2020-09-14 naddy #include <unistd.h>
 32 257add31 2020-09-09 stsp #include <zlib.h>
 33 257add31 2020-09-09 stsp 
 34 257add31 2020-09-09 stsp #include "got_error.h"
 35 257add31 2020-09-09 stsp #include "got_object.h"
 36 5e082626 2020-09-24 stsp #include "got_path.h"
 37 257add31 2020-09-09 stsp #include "got_repository.h"
 38 257add31 2020-09-09 stsp 
 39 257add31 2020-09-09 stsp #include "got_lib_delta.h"
 40 257add31 2020-09-09 stsp #include "got_lib_object.h"
 41 257add31 2020-09-09 stsp #include "got_lib_privsep.h"
 42 257add31 2020-09-09 stsp 
 43 257add31 2020-09-09 stsp #include "gotconfig.h"
 44 257add31 2020-09-09 stsp 
 45 257add31 2020-09-09 stsp /* parse.y */
 46 257add31 2020-09-09 stsp static volatile sig_atomic_t sigint_received;
 47 257add31 2020-09-09 stsp 
 48 257add31 2020-09-09 stsp static void
 49 257add31 2020-09-09 stsp catch_sigint(int signo)
 50 257add31 2020-09-09 stsp {
 51 257add31 2020-09-09 stsp 	sigint_received = 1;
 52 257add31 2020-09-09 stsp }
 53 257add31 2020-09-09 stsp 
 54 257add31 2020-09-09 stsp static const struct got_error *
 55 6480c871 2021-08-30 stsp make_fetch_url(char **url, struct gotconfig_remote_repo *repo)
 56 257add31 2020-09-09 stsp {
 57 257add31 2020-09-09 stsp 	const struct got_error *err = NULL;
 58 257add31 2020-09-09 stsp 	char *s = NULL, *p = NULL;
 59 6480c871 2021-08-30 stsp 	const char *protocol, *server, *repo_path;
 60 6480c871 2021-08-30 stsp 	int port;
 61 257add31 2020-09-09 stsp 
 62 257add31 2020-09-09 stsp 	*url = NULL;
 63 257add31 2020-09-09 stsp 
 64 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->protocol)
 65 6480c871 2021-08-30 stsp 		protocol = repo->fetch_config->protocol;
 66 6480c871 2021-08-30 stsp 	else
 67 6480c871 2021-08-30 stsp 		protocol = repo->protocol;
 68 6480c871 2021-08-30 stsp 	if (protocol == NULL)
 69 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
 70 6480c871 2021-08-30 stsp 		    "fetch protocol required for remote repository \"%s\"",
 71 6480c871 2021-08-30 stsp 		    repo->name);
 72 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s://", protocol) == -1)
 73 257add31 2020-09-09 stsp 		return got_error_from_errno("asprintf");
 74 257add31 2020-09-09 stsp 
 75 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->server)
 76 6480c871 2021-08-30 stsp 		server = repo->fetch_config->server;
 77 6480c871 2021-08-30 stsp 	else
 78 6480c871 2021-08-30 stsp 		server = repo->server;
 79 6480c871 2021-08-30 stsp 	if (server == NULL)
 80 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
 81 6480c871 2021-08-30 stsp 		    "fetch server required for remote repository \"%s\"",
 82 6480c871 2021-08-30 stsp 		    repo->name);
 83 6480c871 2021-08-30 stsp 	p = s;
 84 6480c871 2021-08-30 stsp 	s = NULL;
 85 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s%s", p, server) == -1) {
 86 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
 87 6480c871 2021-08-30 stsp 		goto done;
 88 257add31 2020-09-09 stsp 	}
 89 6480c871 2021-08-30 stsp 	free(p);
 90 6480c871 2021-08-30 stsp 	p = NULL;
 91 257add31 2020-09-09 stsp 
 92 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->server)
 93 6480c871 2021-08-30 stsp 		port = repo->fetch_config->port;
 94 6480c871 2021-08-30 stsp 	else
 95 6480c871 2021-08-30 stsp 		port = repo->port;
 96 6480c871 2021-08-30 stsp 	if (port) {
 97 257add31 2020-09-09 stsp 		p = s;
 98 257add31 2020-09-09 stsp 		s = NULL;
 99 257add31 2020-09-09 stsp 		if (asprintf(&s, "%s:%d", p, repo->port) == -1) {
100 257add31 2020-09-09 stsp 			err = got_error_from_errno("asprintf");
101 257add31 2020-09-09 stsp 			goto done;
102 257add31 2020-09-09 stsp 		}
103 257add31 2020-09-09 stsp 		free(p);
104 257add31 2020-09-09 stsp 		p = NULL;
105 257add31 2020-09-09 stsp 	}
106 257add31 2020-09-09 stsp 
107 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->repository)
108 6480c871 2021-08-30 stsp 		repo_path = repo->fetch_config->repository;
109 6480c871 2021-08-30 stsp 	else
110 6480c871 2021-08-30 stsp 		repo_path = repo->repository;
111 6480c871 2021-08-30 stsp 	if (repo_path == NULL)
112 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
113 6480c871 2021-08-30 stsp 		    "fetch repository path required for remote "
114 6480c871 2021-08-30 stsp 		    "repository \"%s\"", repo->name);
115 6480c871 2021-08-30 stsp 
116 6480c871 2021-08-30 stsp 	while (repo_path[0] == '/')
117 6480c871 2021-08-30 stsp 		repo_path++;
118 6480c871 2021-08-30 stsp 	p = s;
119 6480c871 2021-08-30 stsp 	s = NULL;
120 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s/%s", p, repo_path) == -1) {
121 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
122 6480c871 2021-08-30 stsp 		goto done;
123 6480c871 2021-08-30 stsp 	}
124 6480c871 2021-08-30 stsp 	free(p);
125 6480c871 2021-08-30 stsp 	p = NULL;
126 6480c871 2021-08-30 stsp 
127 6480c871 2021-08-30 stsp 	got_path_strip_trailing_slashes(s);
128 6480c871 2021-08-30 stsp done:
129 6480c871 2021-08-30 stsp 	if (err) {
130 6480c871 2021-08-30 stsp 		free(s);
131 6480c871 2021-08-30 stsp 		free(p);
132 6480c871 2021-08-30 stsp 	} else
133 6480c871 2021-08-30 stsp 		*url = s;
134 6480c871 2021-08-30 stsp 	return err;
135 6480c871 2021-08-30 stsp }
136 6480c871 2021-08-30 stsp 
137 6480c871 2021-08-30 stsp static const struct got_error *
138 6480c871 2021-08-30 stsp make_send_url(char **url, struct gotconfig_remote_repo *repo)
139 6480c871 2021-08-30 stsp {
140 6480c871 2021-08-30 stsp 	const struct got_error *err = NULL;
141 6480c871 2021-08-30 stsp 	char *s = NULL, *p = NULL;
142 6480c871 2021-08-30 stsp 	const char *protocol, *server, *repo_path;
143 6480c871 2021-08-30 stsp 	int port;
144 6480c871 2021-08-30 stsp 
145 6480c871 2021-08-30 stsp 	*url = NULL;
146 6480c871 2021-08-30 stsp 
147 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->protocol)
148 6480c871 2021-08-30 stsp 		protocol = repo->send_config->protocol;
149 6480c871 2021-08-30 stsp 	else
150 6480c871 2021-08-30 stsp 		protocol = repo->protocol;
151 6480c871 2021-08-30 stsp 	if (protocol == NULL)
152 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
153 6480c871 2021-08-30 stsp 		    "send protocol required for remote repository \"%s\"",
154 6480c871 2021-08-30 stsp 		    repo->name);
155 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s://", protocol) == -1)
156 6480c871 2021-08-30 stsp 		return got_error_from_errno("asprintf");
157 6480c871 2021-08-30 stsp 
158 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->server)
159 6480c871 2021-08-30 stsp 		server = repo->send_config->server;
160 6480c871 2021-08-30 stsp 	else
161 6480c871 2021-08-30 stsp 		server = repo->server;
162 6480c871 2021-08-30 stsp 	if (server == NULL)
163 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
164 6480c871 2021-08-30 stsp 		    "send server required for remote repository \"%s\"",
165 6480c871 2021-08-30 stsp 		    repo->name);
166 6480c871 2021-08-30 stsp 	p = s;
167 6480c871 2021-08-30 stsp 	s = NULL;
168 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s%s", p, server) == -1) {
169 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
170 6480c871 2021-08-30 stsp 		goto done;
171 6480c871 2021-08-30 stsp 	}
172 6480c871 2021-08-30 stsp 	free(p);
173 6480c871 2021-08-30 stsp 	p = NULL;
174 6480c871 2021-08-30 stsp 
175 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->server)
176 6480c871 2021-08-30 stsp 		port = repo->send_config->port;
177 6480c871 2021-08-30 stsp 	else
178 6480c871 2021-08-30 stsp 		port = repo->port;
179 6480c871 2021-08-30 stsp 	if (port) {
180 257add31 2020-09-09 stsp 		p = s;
181 257add31 2020-09-09 stsp 		s = NULL;
182 6480c871 2021-08-30 stsp 		if (asprintf(&s, "%s:%d", p, repo->port) == -1) {
183 257add31 2020-09-09 stsp 			err = got_error_from_errno("asprintf");
184 257add31 2020-09-09 stsp 			goto done;
185 257add31 2020-09-09 stsp 		}
186 257add31 2020-09-09 stsp 		free(p);
187 257add31 2020-09-09 stsp 		p = NULL;
188 257add31 2020-09-09 stsp 	}
189 5e082626 2020-09-24 stsp 
190 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->repository)
191 6480c871 2021-08-30 stsp 		repo_path = repo->send_config->repository;
192 6480c871 2021-08-30 stsp 	else
193 6480c871 2021-08-30 stsp 		repo_path = repo->repository;
194 6480c871 2021-08-30 stsp 	if (repo_path == NULL)
195 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
196 6480c871 2021-08-30 stsp 		    "send repository path required for remote "
197 6480c871 2021-08-30 stsp 		    "repository \"%s\"", repo->name);
198 6480c871 2021-08-30 stsp 
199 6480c871 2021-08-30 stsp 	while (repo_path[0] == '/')
200 6480c871 2021-08-30 stsp 		repo_path++;
201 6480c871 2021-08-30 stsp 	p = s;
202 6480c871 2021-08-30 stsp 	s = NULL;
203 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s/%s", p, repo_path) == -1) {
204 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
205 6480c871 2021-08-30 stsp 		goto done;
206 6480c871 2021-08-30 stsp 	}
207 6480c871 2021-08-30 stsp 	free(p);
208 6480c871 2021-08-30 stsp 	p = NULL;
209 6480c871 2021-08-30 stsp 
210 5e082626 2020-09-24 stsp 	got_path_strip_trailing_slashes(s);
211 257add31 2020-09-09 stsp done:
212 257add31 2020-09-09 stsp 	if (err) {
213 257add31 2020-09-09 stsp 		free(s);
214 257add31 2020-09-09 stsp 		free(p);
215 257add31 2020-09-09 stsp 	} else
216 257add31 2020-09-09 stsp 		*url = s;
217 257add31 2020-09-09 stsp 	return err;
218 257add31 2020-09-09 stsp }
219 257add31 2020-09-09 stsp 
220 257add31 2020-09-09 stsp static const struct got_error *
221 257add31 2020-09-09 stsp send_gotconfig_str(struct imsgbuf *ibuf, const char *value)
222 257add31 2020-09-09 stsp {
223 be96c417 2020-09-17 stsp 	size_t len = value ? strlen(value) : 0;
224 257add31 2020-09-09 stsp 
225 257add31 2020-09-09 stsp 	if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_STR_VAL, 0, 0, -1,
226 257add31 2020-09-09 stsp 	    value, len) == -1)
227 257add31 2020-09-09 stsp 		return got_error_from_errno("imsg_compose GOTCONFIG_STR_VAL");
228 257add31 2020-09-09 stsp 
229 257add31 2020-09-09 stsp 	return got_privsep_flush_imsg(ibuf);
230 257add31 2020-09-09 stsp }
231 257add31 2020-09-09 stsp 
232 257add31 2020-09-09 stsp static const struct got_error *
233 257add31 2020-09-09 stsp send_gotconfig_remotes(struct imsgbuf *ibuf,
234 257add31 2020-09-09 stsp     struct gotconfig_remote_repo_list *remotes, int nremotes)
235 257add31 2020-09-09 stsp {
236 257add31 2020-09-09 stsp 	const struct got_error *err = NULL;
237 257add31 2020-09-09 stsp 	struct got_imsg_remotes iremotes;
238 257add31 2020-09-09 stsp 	struct gotconfig_remote_repo *repo;
239 6480c871 2021-08-30 stsp 	char *fetch_url = NULL, *send_url = NULL;
240 257add31 2020-09-09 stsp 
241 257add31 2020-09-09 stsp 	iremotes.nremotes = nremotes;
242 257add31 2020-09-09 stsp 	if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_REMOTES, 0, 0, -1,
243 257add31 2020-09-09 stsp 	    &iremotes, sizeof(iremotes)) == -1)
244 257add31 2020-09-09 stsp 		return got_error_from_errno("imsg_compose GOTCONFIG_REMOTES");
245 257add31 2020-09-09 stsp 
246 257add31 2020-09-09 stsp 	err = got_privsep_flush_imsg(ibuf);
247 257add31 2020-09-09 stsp 	imsg_clear(ibuf);
248 257add31 2020-09-09 stsp 	if (err)
249 257add31 2020-09-09 stsp 		return err;
250 257add31 2020-09-09 stsp 
251 257add31 2020-09-09 stsp 	TAILQ_FOREACH(repo, remotes, entry) {
252 257add31 2020-09-09 stsp 		struct got_imsg_remote iremote;
253 257add31 2020-09-09 stsp 		size_t len = sizeof(iremote);
254 257add31 2020-09-09 stsp 		struct ibuf *wbuf;
255 b8adfa55 2020-09-25 stsp 		struct node_branch *branch;
256 99495ddb 2021-01-10 stsp 		struct node_ref *ref;
257 6480c871 2021-08-30 stsp 		int nfetch_branches = 0, nsend_branches = 0, nfetch_refs = 0;
258 257add31 2020-09-09 stsp 
259 93f8a337 2021-08-30 naddy 		if (repo->fetch_config && repo->fetch_config->branch)
260 6480c871 2021-08-30 stsp 			branch = repo->fetch_config->branch;
261 93f8a337 2021-08-30 naddy 		else
262 6480c871 2021-08-30 stsp 			branch = repo->branch;
263 93f8a337 2021-08-30 naddy 		while (branch) {
264 93f8a337 2021-08-30 naddy 			branch = branch->next;
265 93f8a337 2021-08-30 naddy 			nfetch_branches++;
266 99495ddb 2021-01-10 stsp 		}
267 99495ddb 2021-01-10 stsp 
268 93f8a337 2021-08-30 naddy 		if (repo->send_config && repo->send_config->branch)
269 6480c871 2021-08-30 stsp 			branch = repo->send_config->branch;
270 93f8a337 2021-08-30 naddy 		else
271 6480c871 2021-08-30 stsp 			branch = repo->branch;
272 93f8a337 2021-08-30 naddy 		while (branch) {
273 93f8a337 2021-08-30 naddy 			branch = branch->next;
274 93f8a337 2021-08-30 naddy 			nsend_branches++;
275 6480c871 2021-08-30 stsp 		}
276 6480c871 2021-08-30 stsp 
277 6480c871 2021-08-30 stsp 		ref = repo->fetch_ref;
278 99495ddb 2021-01-10 stsp 		while (ref) {
279 99495ddb 2021-01-10 stsp 			ref = ref->next;
280 6480c871 2021-08-30 stsp 			nfetch_refs++;
281 b8adfa55 2020-09-25 stsp 		}
282 b8adfa55 2020-09-25 stsp 
283 6480c871 2021-08-30 stsp 		iremote.nfetch_branches = nfetch_branches;
284 6480c871 2021-08-30 stsp 		iremote.nsend_branches = nsend_branches;
285 6480c871 2021-08-30 stsp 		iremote.nfetch_refs = nfetch_refs;
286 257add31 2020-09-09 stsp 		iremote.mirror_references = repo->mirror_references;
287 0c8b29c5 2021-01-05 stsp 		iremote.fetch_all_branches = repo->fetch_all_branches;
288 257add31 2020-09-09 stsp 
289 257add31 2020-09-09 stsp 		iremote.name_len = strlen(repo->name);
290 257add31 2020-09-09 stsp 		len += iremote.name_len;
291 257add31 2020-09-09 stsp 
292 6480c871 2021-08-30 stsp 		err = make_fetch_url(&fetch_url, repo);
293 257add31 2020-09-09 stsp 		if (err)
294 257add31 2020-09-09 stsp 			break;
295 6480c871 2021-08-30 stsp 		iremote.fetch_url_len = strlen(fetch_url);
296 6480c871 2021-08-30 stsp 		len += iremote.fetch_url_len;
297 6480c871 2021-08-30 stsp 
298 6480c871 2021-08-30 stsp 		err = make_send_url(&send_url, repo);
299 6480c871 2021-08-30 stsp 		if (err)
300 6480c871 2021-08-30 stsp 			break;
301 6480c871 2021-08-30 stsp 		iremote.send_url_len = strlen(send_url);
302 6480c871 2021-08-30 stsp 		len += iremote.send_url_len;
303 257add31 2020-09-09 stsp 
304 257add31 2020-09-09 stsp 		wbuf = imsg_create(ibuf, GOT_IMSG_GOTCONFIG_REMOTE, 0, 0, len);
305 257add31 2020-09-09 stsp 		if (wbuf == NULL) {
306 257add31 2020-09-09 stsp 			err = got_error_from_errno(
307 257add31 2020-09-09 stsp 			    "imsg_create GOTCONFIG_REMOTE");
308 257add31 2020-09-09 stsp 			break;
309 257add31 2020-09-09 stsp 		}
310 257add31 2020-09-09 stsp 
311 257add31 2020-09-09 stsp 		if (imsg_add(wbuf, &iremote, sizeof(iremote)) == -1) {
312 257add31 2020-09-09 stsp 			err = got_error_from_errno(
313 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
314 257add31 2020-09-09 stsp 			break;
315 257add31 2020-09-09 stsp 		}
316 257add31 2020-09-09 stsp 
317 257add31 2020-09-09 stsp 		if (imsg_add(wbuf, repo->name, iremote.name_len) == -1) {
318 257add31 2020-09-09 stsp 			err = got_error_from_errno(
319 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
320 257add31 2020-09-09 stsp 			break;
321 257add31 2020-09-09 stsp 		}
322 6480c871 2021-08-30 stsp 		if (imsg_add(wbuf, fetch_url, iremote.fetch_url_len) == -1) {
323 257add31 2020-09-09 stsp 			err = got_error_from_errno(
324 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
325 257add31 2020-09-09 stsp 			break;
326 257add31 2020-09-09 stsp 		}
327 6480c871 2021-08-30 stsp 		if (imsg_add(wbuf, send_url, iremote.send_url_len) == -1) {
328 6480c871 2021-08-30 stsp 			err = got_error_from_errno(
329 6480c871 2021-08-30 stsp 			    "imsg_add GOTCONFIG_REMOTE");
330 6480c871 2021-08-30 stsp 			break;
331 6480c871 2021-08-30 stsp 		}
332 257add31 2020-09-09 stsp 
333 257add31 2020-09-09 stsp 		imsg_close(ibuf, wbuf);
334 257add31 2020-09-09 stsp 		err = got_privsep_flush_imsg(ibuf);
335 257add31 2020-09-09 stsp 		if (err)
336 257add31 2020-09-09 stsp 			break;
337 257add31 2020-09-09 stsp 
338 6480c871 2021-08-30 stsp 		free(fetch_url);
339 6480c871 2021-08-30 stsp 		fetch_url = NULL;
340 6480c871 2021-08-30 stsp 		free(send_url);
341 6480c871 2021-08-30 stsp 		send_url = NULL;
342 b8adfa55 2020-09-25 stsp 
343 93f8a337 2021-08-30 naddy 		if (repo->fetch_config && repo->fetch_config->branch)
344 6480c871 2021-08-30 stsp 			branch = repo->fetch_config->branch;
345 93f8a337 2021-08-30 naddy 		else
346 6480c871 2021-08-30 stsp 			branch = repo->branch;
347 93f8a337 2021-08-30 naddy 		while (branch) {
348 93f8a337 2021-08-30 naddy 			err = send_gotconfig_str(ibuf, branch->branch_name);
349 93f8a337 2021-08-30 naddy 			if (err)
350 93f8a337 2021-08-30 naddy 				break;
351 93f8a337 2021-08-30 naddy 			branch = branch->next;
352 b8adfa55 2020-09-25 stsp 		}
353 99495ddb 2021-01-10 stsp 
354 93f8a337 2021-08-30 naddy 		if (repo->send_config && repo->send_config->branch)
355 6480c871 2021-08-30 stsp 			branch = repo->send_config->branch;
356 93f8a337 2021-08-30 naddy 		else
357 6480c871 2021-08-30 stsp 			branch = repo->branch;
358 93f8a337 2021-08-30 naddy 		while (branch) {
359 93f8a337 2021-08-30 naddy 			err = send_gotconfig_str(ibuf, branch->branch_name);
360 93f8a337 2021-08-30 naddy 			if (err)
361 93f8a337 2021-08-30 naddy 				break;
362 93f8a337 2021-08-30 naddy 			branch = branch->next;
363 6480c871 2021-08-30 stsp 		}
364 6480c871 2021-08-30 stsp 
365 6480c871 2021-08-30 stsp 		ref = repo->fetch_ref;
366 99495ddb 2021-01-10 stsp 		while (ref) {
367 99495ddb 2021-01-10 stsp 			err = send_gotconfig_str(ibuf, ref->ref_name);
368 99495ddb 2021-01-10 stsp 			if (err)
369 99495ddb 2021-01-10 stsp 				break;
370 99495ddb 2021-01-10 stsp 			ref = ref->next;
371 99495ddb 2021-01-10 stsp 		}
372 257add31 2020-09-09 stsp 	}
373 257add31 2020-09-09 stsp 
374 6480c871 2021-08-30 stsp 	free(fetch_url);
375 6480c871 2021-08-30 stsp 	free(send_url);
376 257add31 2020-09-09 stsp 	return err;
377 257add31 2020-09-09 stsp }
378 257add31 2020-09-09 stsp 
379 257add31 2020-09-09 stsp static const struct got_error *
380 f1cacac7 2021-08-29 stsp validate_protocol(const char *protocol, const char *repo_name)
381 f1cacac7 2021-08-29 stsp {
382 f1cacac7 2021-08-29 stsp 	static char msg[512];
383 f1cacac7 2021-08-29 stsp 
384 f1cacac7 2021-08-29 stsp 	if (strcmp(protocol, "ssh") != 0 &&
385 f1cacac7 2021-08-29 stsp 	    strcmp(protocol, "git+ssh") != 0 &&
386 f1cacac7 2021-08-29 stsp 	    strcmp(protocol, "git") != 0) {
387 f1cacac7 2021-08-29 stsp 		snprintf(msg, sizeof(msg),"unknown protocol \"%s\" "
388 f1cacac7 2021-08-29 stsp 		    "for remote repository \"%s\"", protocol, repo_name);
389 f1cacac7 2021-08-29 stsp 		return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
390 f1cacac7 2021-08-29 stsp 	}
391 f1cacac7 2021-08-29 stsp 
392 f1cacac7 2021-08-29 stsp 	return NULL;
393 f1cacac7 2021-08-29 stsp }
394 f1cacac7 2021-08-29 stsp 
395 f1cacac7 2021-08-29 stsp static const struct got_error *
396 257add31 2020-09-09 stsp validate_config(struct gotconfig *gotconfig)
397 257add31 2020-09-09 stsp {
398 f1cacac7 2021-08-29 stsp 	const struct got_error *err;
399 257add31 2020-09-09 stsp 	struct gotconfig_remote_repo *repo, *repo2;
400 257add31 2020-09-09 stsp 	static char msg[512];
401 257add31 2020-09-09 stsp 
402 257add31 2020-09-09 stsp 	TAILQ_FOREACH(repo, &gotconfig->remotes, entry) {
403 257add31 2020-09-09 stsp 		if (repo->name == NULL) {
404 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG,
405 257add31 2020-09-09 stsp 			    "name required for remote repository");
406 257add31 2020-09-09 stsp 		}
407 257add31 2020-09-09 stsp 
408 257add31 2020-09-09 stsp 		TAILQ_FOREACH(repo2, &gotconfig->remotes, entry) {
409 257add31 2020-09-09 stsp 			if (repo == repo2 ||
410 257add31 2020-09-09 stsp 			    strcmp(repo->name, repo2->name) != 0)
411 257add31 2020-09-09 stsp 				continue;
412 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
413 257add31 2020-09-09 stsp 			    "duplicate remote repository name '%s'",
414 257add31 2020-09-09 stsp 			    repo->name);
415 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
416 257add31 2020-09-09 stsp 		}
417 257add31 2020-09-09 stsp 
418 f1cacac7 2021-08-29 stsp 		if (repo->server == NULL &&
419 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
420 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->server == NULL) &&
421 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
422 f1cacac7 2021-08-29 stsp 		    repo->send_config->server == NULL)) {
423 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
424 257add31 2020-09-09 stsp 			    "server required for remote repository \"%s\"",
425 257add31 2020-09-09 stsp 			    repo->name);
426 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
427 257add31 2020-09-09 stsp 		}
428 257add31 2020-09-09 stsp 
429 f1cacac7 2021-08-29 stsp 		if (repo->protocol == NULL &&
430 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
431 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->protocol == NULL) &&
432 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
433 f1cacac7 2021-08-29 stsp 		    repo->send_config->protocol == NULL)) {
434 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
435 257add31 2020-09-09 stsp 			    "protocol required for remote repository \"%s\"",
436 257add31 2020-09-09 stsp 			    repo->name);
437 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
438 257add31 2020-09-09 stsp 		}
439 f1cacac7 2021-08-29 stsp 
440 f1cacac7 2021-08-29 stsp 		if (repo->protocol) {
441 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->protocol, repo->name);
442 f1cacac7 2021-08-29 stsp 			if (err)
443 f1cacac7 2021-08-29 stsp 				return err;
444 f1cacac7 2021-08-29 stsp 		}
445 f1cacac7 2021-08-29 stsp 		if (repo->fetch_config && repo->fetch_config->protocol) {
446 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->fetch_config->protocol,
447 257add31 2020-09-09 stsp 			    repo->name);
448 f1cacac7 2021-08-29 stsp 			if (err)
449 f1cacac7 2021-08-29 stsp 				return err;
450 257add31 2020-09-09 stsp 		}
451 f1cacac7 2021-08-29 stsp 		if (repo->send_config && repo->send_config->protocol) {
452 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->send_config->protocol,
453 f1cacac7 2021-08-29 stsp 			    repo->name);
454 f1cacac7 2021-08-29 stsp 			if (err)
455 f1cacac7 2021-08-29 stsp 				return err;
456 f1cacac7 2021-08-29 stsp 		}
457 257add31 2020-09-09 stsp 
458 f1cacac7 2021-08-29 stsp 		if (repo->repository == NULL &&
459 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
460 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->repository == NULL) &&
461 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
462 f1cacac7 2021-08-29 stsp 		    repo->send_config->repository == NULL)) {
463 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
464 257add31 2020-09-09 stsp 			    "repository path required for remote "
465 257add31 2020-09-09 stsp 			    "repository \"%s\"", repo->name);
466 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
467 257add31 2020-09-09 stsp 		}
468 257add31 2020-09-09 stsp 	}
469 257add31 2020-09-09 stsp 
470 257add31 2020-09-09 stsp 	return NULL;
471 257add31 2020-09-09 stsp }
472 257add31 2020-09-09 stsp 
473 257add31 2020-09-09 stsp int
474 257add31 2020-09-09 stsp main(int argc, char *argv[])
475 257add31 2020-09-09 stsp {
476 257add31 2020-09-09 stsp 	const struct got_error *err = NULL;
477 257add31 2020-09-09 stsp 	struct imsgbuf ibuf;
478 53dfa00d 2020-09-10 stsp 	struct gotconfig *gotconfig = NULL;
479 257add31 2020-09-09 stsp 	size_t datalen;
480 257add31 2020-09-09 stsp 	const char *filename = "got.conf";
481 257add31 2020-09-09 stsp #if 0
482 257add31 2020-09-09 stsp 	static int attached;
483 257add31 2020-09-09 stsp 
484 257add31 2020-09-09 stsp 	while (!attached)
485 257add31 2020-09-09 stsp 		sleep(1);
486 257add31 2020-09-09 stsp #endif
487 257add31 2020-09-09 stsp 	signal(SIGINT, catch_sigint);
488 257add31 2020-09-09 stsp 
489 257add31 2020-09-09 stsp 	imsg_init(&ibuf, GOT_IMSG_FD_CHILD);
490 257add31 2020-09-09 stsp 
491 257add31 2020-09-09 stsp #ifndef PROFILE
492 257add31 2020-09-09 stsp 	/* revoke access to most system calls */
493 257add31 2020-09-09 stsp 	if (pledge("stdio recvfd", NULL) == -1) {
494 257add31 2020-09-09 stsp 		err = got_error_from_errno("pledge");
495 257add31 2020-09-09 stsp 		got_privsep_send_error(&ibuf, err);
496 257add31 2020-09-09 stsp 		return 1;
497 257add31 2020-09-09 stsp 	}
498 257add31 2020-09-09 stsp #endif
499 257add31 2020-09-09 stsp 
500 257add31 2020-09-09 stsp 	if (argc > 1)
501 257add31 2020-09-09 stsp 		filename = argv[1];
502 257add31 2020-09-09 stsp 
503 257add31 2020-09-09 stsp 	for (;;) {
504 257add31 2020-09-09 stsp 		struct imsg imsg;
505 2c52c623 2024-01-30 op 		int fd = -1;
506 257add31 2020-09-09 stsp 
507 257add31 2020-09-09 stsp 		memset(&imsg, 0, sizeof(imsg));
508 257add31 2020-09-09 stsp 
509 257add31 2020-09-09 stsp 		if (sigint_received) {
510 257add31 2020-09-09 stsp 			err = got_error(GOT_ERR_CANCELLED);
511 257add31 2020-09-09 stsp 			break;
512 257add31 2020-09-09 stsp 		}
513 257add31 2020-09-09 stsp 
514 257add31 2020-09-09 stsp 		err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
515 257add31 2020-09-09 stsp 		if (err) {
516 257add31 2020-09-09 stsp 			if (err->code == GOT_ERR_PRIVSEP_PIPE)
517 257add31 2020-09-09 stsp 				err = NULL;
518 257add31 2020-09-09 stsp 			break;
519 257add31 2020-09-09 stsp 		}
520 257add31 2020-09-09 stsp 
521 257add31 2020-09-09 stsp 		if (imsg.hdr.type == GOT_IMSG_STOP)
522 257add31 2020-09-09 stsp 			break;
523 257add31 2020-09-09 stsp 
524 257add31 2020-09-09 stsp 		switch (imsg.hdr.type) {
525 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_PARSE_REQUEST:
526 257add31 2020-09-09 stsp 			datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
527 257add31 2020-09-09 stsp 			if (datalen != 0) {
528 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_LEN);
529 257add31 2020-09-09 stsp 				break;
530 257add31 2020-09-09 stsp 			}
531 2c52c623 2024-01-30 op 			fd = imsg_get_fd(&imsg);
532 2c52c623 2024-01-30 op 			if (fd == -1){
533 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_NO_FD);
534 257add31 2020-09-09 stsp 				break;
535 257add31 2020-09-09 stsp 			}
536 257add31 2020-09-09 stsp 
537 257add31 2020-09-09 stsp 			if (gotconfig)
538 257add31 2020-09-09 stsp 				gotconfig_free(gotconfig);
539 2c52c623 2024-01-30 op 			err = gotconfig_parse(&gotconfig, filename, &fd);
540 257add31 2020-09-09 stsp 			if (err)
541 257add31 2020-09-09 stsp 				break;
542 257add31 2020-09-09 stsp 			err = validate_config(gotconfig);
543 257add31 2020-09-09 stsp 			break;
544 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST:
545 257add31 2020-09-09 stsp 			if (gotconfig == NULL) {
546 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_MSG);
547 257add31 2020-09-09 stsp 				break;
548 257add31 2020-09-09 stsp 			}
549 257add31 2020-09-09 stsp 			err = send_gotconfig_str(&ibuf,
550 257add31 2020-09-09 stsp 			    gotconfig->author ?  gotconfig->author : "");
551 4d5ee956 2022-07-02 jrick 			break;
552 4d5ee956 2022-07-02 jrick 		case GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST:
553 4d5ee956 2022-07-02 jrick 			if (gotconfig == NULL) {
554 4d5ee956 2022-07-02 jrick 				err = got_error(GOT_ERR_PRIVSEP_MSG);
555 4d5ee956 2022-07-02 jrick 				break;
556 4d5ee956 2022-07-02 jrick 			}
557 4d5ee956 2022-07-02 jrick 			err = send_gotconfig_str(&ibuf,
558 4d5ee956 2022-07-02 jrick 			    gotconfig->allowed_signers_file ?
559 4d5ee956 2022-07-02 jrick 			        gotconfig->allowed_signers_file : "");
560 4d5ee956 2022-07-02 jrick 			break;
561 4d5ee956 2022-07-02 jrick 		case GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST:
562 4d5ee956 2022-07-02 jrick 			if (gotconfig == NULL) {
563 4d5ee956 2022-07-02 jrick 				err = got_error(GOT_ERR_PRIVSEP_MSG);
564 4d5ee956 2022-07-02 jrick 				break;
565 4d5ee956 2022-07-02 jrick 			}
566 4d5ee956 2022-07-02 jrick 			err = send_gotconfig_str(&ibuf,
567 4d5ee956 2022-07-02 jrick 			    gotconfig->revoked_signers_file ?
568 4d5ee956 2022-07-02 jrick 			        gotconfig->revoked_signers_file : "");
569 d68f2c0e 2022-07-05 jrick 			break;
570 d68f2c0e 2022-07-05 jrick 		case GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST:
571 d68f2c0e 2022-07-05 jrick 			if (gotconfig == NULL) {
572 d68f2c0e 2022-07-05 jrick 				err = got_error(GOT_ERR_PRIVSEP_MSG);
573 d68f2c0e 2022-07-05 jrick 				break;
574 d68f2c0e 2022-07-05 jrick 			}
575 d68f2c0e 2022-07-05 jrick 			err = send_gotconfig_str(&ibuf,
576 d68f2c0e 2022-07-05 jrick 			    gotconfig->signer_id ? gotconfig->signer_id : "");
577 257add31 2020-09-09 stsp 			break;
578 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_REMOTES_REQUEST:
579 257add31 2020-09-09 stsp 			if (gotconfig == NULL) {
580 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_MSG);
581 257add31 2020-09-09 stsp 				break;
582 257add31 2020-09-09 stsp 			}
583 257add31 2020-09-09 stsp 			err = send_gotconfig_remotes(&ibuf,
584 257add31 2020-09-09 stsp 			    &gotconfig->remotes, gotconfig->nremotes);
585 257add31 2020-09-09 stsp 			break;
586 257add31 2020-09-09 stsp 		default:
587 257add31 2020-09-09 stsp 			err = got_error(GOT_ERR_PRIVSEP_MSG);
588 257add31 2020-09-09 stsp 			break;
589 257add31 2020-09-09 stsp 		}
590 257add31 2020-09-09 stsp 
591 2c52c623 2024-01-30 op 		if (fd != -1) {
592 2c52c623 2024-01-30 op 			if (close(fd) == -1 && err == NULL)
593 257add31 2020-09-09 stsp 				err = got_error_from_errno("close");
594 257add31 2020-09-09 stsp 		}
595 257add31 2020-09-09 stsp 
596 257add31 2020-09-09 stsp 		imsg_free(&imsg);
597 257add31 2020-09-09 stsp 		if (err)
598 257add31 2020-09-09 stsp 			break;
599 257add31 2020-09-09 stsp 	}
600 257add31 2020-09-09 stsp 
601 257add31 2020-09-09 stsp 	imsg_clear(&ibuf);
602 257add31 2020-09-09 stsp 	if (err) {
603 257add31 2020-09-09 stsp 		if (!sigint_received && err->code != GOT_ERR_PRIVSEP_PIPE) {
604 257add31 2020-09-09 stsp 			fprintf(stderr, "%s: %s\n", getprogname(), err->msg);
605 257add31 2020-09-09 stsp 			got_privsep_send_error(&ibuf, err);
606 257add31 2020-09-09 stsp 		}
607 257add31 2020-09-09 stsp 	}
608 08578a35 2021-01-22 stsp 	if (close(GOT_IMSG_FD_CHILD) == -1 && err == NULL)
609 257add31 2020-09-09 stsp 		err = got_error_from_errno("close");
610 257add31 2020-09-09 stsp 	return err ? 1 : 0;
611 257add31 2020-09-09 stsp }