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 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 6480c871 2021-08-30 stsp 		if (repo->fetch_config && repo->fetch_config->branch) {
259 6480c871 2021-08-30 stsp 			branch = repo->fetch_config->branch;
260 6480c871 2021-08-30 stsp 			while (branch) {
261 6480c871 2021-08-30 stsp 				branch = branch->next;
262 6480c871 2021-08-30 stsp 				nfetch_branches++;
263 6480c871 2021-08-30 stsp 			}
264 6480c871 2021-08-30 stsp 		} else {
265 6480c871 2021-08-30 stsp 			branch = repo->branch;
266 6480c871 2021-08-30 stsp 			while (branch) {
267 6480c871 2021-08-30 stsp 				branch = branch->next;
268 6480c871 2021-08-30 stsp 				nfetch_branches++;
269 6480c871 2021-08-30 stsp 			}
270 99495ddb 2021-01-10 stsp 		}
271 99495ddb 2021-01-10 stsp 
272 6480c871 2021-08-30 stsp 		if (repo->send_config && repo->send_config->branch) {
273 6480c871 2021-08-30 stsp 			branch = repo->send_config->branch;
274 6480c871 2021-08-30 stsp 			while (branch) {
275 6480c871 2021-08-30 stsp 				branch = branch->next;
276 6480c871 2021-08-30 stsp 				nsend_branches++;
277 6480c871 2021-08-30 stsp 			}
278 6480c871 2021-08-30 stsp 		} else {
279 6480c871 2021-08-30 stsp 			branch = repo->branch;
280 6480c871 2021-08-30 stsp 			while (branch) {
281 6480c871 2021-08-30 stsp 				branch = branch->next;
282 6480c871 2021-08-30 stsp 				nsend_branches++;
283 6480c871 2021-08-30 stsp 			}
284 6480c871 2021-08-30 stsp 		}
285 6480c871 2021-08-30 stsp 
286 6480c871 2021-08-30 stsp 		ref = repo->fetch_ref;
287 99495ddb 2021-01-10 stsp 		while (ref) {
288 99495ddb 2021-01-10 stsp 			ref = ref->next;
289 6480c871 2021-08-30 stsp 			nfetch_refs++;
290 b8adfa55 2020-09-25 stsp 		}
291 b8adfa55 2020-09-25 stsp 
292 6480c871 2021-08-30 stsp 		iremote.nfetch_branches = nfetch_branches;
293 6480c871 2021-08-30 stsp 		iremote.nsend_branches = nsend_branches;
294 6480c871 2021-08-30 stsp 		iremote.nfetch_refs = nfetch_refs;
295 257add31 2020-09-09 stsp 		iremote.mirror_references = repo->mirror_references;
296 0c8b29c5 2021-01-05 stsp 		iremote.fetch_all_branches = repo->fetch_all_branches;
297 257add31 2020-09-09 stsp 
298 257add31 2020-09-09 stsp 		iremote.name_len = strlen(repo->name);
299 257add31 2020-09-09 stsp 		len += iremote.name_len;
300 257add31 2020-09-09 stsp 
301 6480c871 2021-08-30 stsp 		err = make_fetch_url(&fetch_url, repo);
302 257add31 2020-09-09 stsp 		if (err)
303 257add31 2020-09-09 stsp 			break;
304 6480c871 2021-08-30 stsp 		iremote.fetch_url_len = strlen(fetch_url);
305 6480c871 2021-08-30 stsp 		len += iremote.fetch_url_len;
306 6480c871 2021-08-30 stsp 
307 6480c871 2021-08-30 stsp 		err = make_send_url(&send_url, repo);
308 6480c871 2021-08-30 stsp 		if (err)
309 6480c871 2021-08-30 stsp 			break;
310 6480c871 2021-08-30 stsp 		iremote.send_url_len = strlen(send_url);
311 6480c871 2021-08-30 stsp 		len += iremote.send_url_len;
312 257add31 2020-09-09 stsp 
313 257add31 2020-09-09 stsp 		wbuf = imsg_create(ibuf, GOT_IMSG_GOTCONFIG_REMOTE, 0, 0, len);
314 257add31 2020-09-09 stsp 		if (wbuf == NULL) {
315 257add31 2020-09-09 stsp 			err = got_error_from_errno(
316 257add31 2020-09-09 stsp 			    "imsg_create GOTCONFIG_REMOTE");
317 257add31 2020-09-09 stsp 			break;
318 257add31 2020-09-09 stsp 		}
319 257add31 2020-09-09 stsp 
320 257add31 2020-09-09 stsp 		if (imsg_add(wbuf, &iremote, sizeof(iremote)) == -1) {
321 257add31 2020-09-09 stsp 			err = got_error_from_errno(
322 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
323 257add31 2020-09-09 stsp 			ibuf_free(wbuf);
324 257add31 2020-09-09 stsp 			break;
325 257add31 2020-09-09 stsp 		}
326 257add31 2020-09-09 stsp 
327 257add31 2020-09-09 stsp 		if (imsg_add(wbuf, repo->name, iremote.name_len) == -1) {
328 257add31 2020-09-09 stsp 			err = got_error_from_errno(
329 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
330 257add31 2020-09-09 stsp 			ibuf_free(wbuf);
331 257add31 2020-09-09 stsp 			break;
332 257add31 2020-09-09 stsp 		}
333 6480c871 2021-08-30 stsp 		if (imsg_add(wbuf, fetch_url, iremote.fetch_url_len) == -1) {
334 257add31 2020-09-09 stsp 			err = got_error_from_errno(
335 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
336 257add31 2020-09-09 stsp 			ibuf_free(wbuf);
337 257add31 2020-09-09 stsp 			break;
338 257add31 2020-09-09 stsp 		}
339 6480c871 2021-08-30 stsp 		if (imsg_add(wbuf, send_url, iremote.send_url_len) == -1) {
340 6480c871 2021-08-30 stsp 			err = got_error_from_errno(
341 6480c871 2021-08-30 stsp 			    "imsg_add GOTCONFIG_REMOTE");
342 6480c871 2021-08-30 stsp 			ibuf_free(wbuf);
343 6480c871 2021-08-30 stsp 			break;
344 6480c871 2021-08-30 stsp 		}
345 257add31 2020-09-09 stsp 
346 257add31 2020-09-09 stsp 		wbuf->fd = -1;
347 257add31 2020-09-09 stsp 		imsg_close(ibuf, wbuf);
348 257add31 2020-09-09 stsp 		err = got_privsep_flush_imsg(ibuf);
349 257add31 2020-09-09 stsp 		if (err)
350 257add31 2020-09-09 stsp 			break;
351 257add31 2020-09-09 stsp 
352 6480c871 2021-08-30 stsp 		free(fetch_url);
353 6480c871 2021-08-30 stsp 		fetch_url = NULL;
354 6480c871 2021-08-30 stsp 		free(send_url);
355 6480c871 2021-08-30 stsp 		send_url = NULL;
356 b8adfa55 2020-09-25 stsp 
357 6480c871 2021-08-30 stsp 		if (repo->fetch_config && repo->fetch_config->branch) {
358 6480c871 2021-08-30 stsp 			branch = repo->fetch_config->branch;
359 6480c871 2021-08-30 stsp 			while (branch) {
360 6480c871 2021-08-30 stsp 				err = send_gotconfig_str(ibuf,
361 6480c871 2021-08-30 stsp 				    branch->branch_name);
362 6480c871 2021-08-30 stsp 				if (err)
363 6480c871 2021-08-30 stsp 					break;
364 6480c871 2021-08-30 stsp 				branch = branch->next;
365 6480c871 2021-08-30 stsp 			}
366 6480c871 2021-08-30 stsp 		} else {
367 6480c871 2021-08-30 stsp 			branch = repo->branch;
368 6480c871 2021-08-30 stsp 			while (branch) {
369 6480c871 2021-08-30 stsp 				err = send_gotconfig_str(ibuf,
370 6480c871 2021-08-30 stsp 				    branch->branch_name);
371 6480c871 2021-08-30 stsp 				if (err)
372 6480c871 2021-08-30 stsp 					break;
373 6480c871 2021-08-30 stsp 				branch = branch->next;
374 6480c871 2021-08-30 stsp 			}
375 b8adfa55 2020-09-25 stsp 		}
376 99495ddb 2021-01-10 stsp 
377 6480c871 2021-08-30 stsp 		if (repo->send_config && repo->send_config->branch) {
378 6480c871 2021-08-30 stsp 			branch = repo->send_config->branch;
379 6480c871 2021-08-30 stsp 			while (branch) {
380 6480c871 2021-08-30 stsp 				err = send_gotconfig_str(ibuf,
381 6480c871 2021-08-30 stsp 				    branch->branch_name);
382 6480c871 2021-08-30 stsp 				if (err)
383 6480c871 2021-08-30 stsp 					break;
384 6480c871 2021-08-30 stsp 				branch = branch->next;
385 6480c871 2021-08-30 stsp 			}
386 6480c871 2021-08-30 stsp 		} else {
387 6480c871 2021-08-30 stsp 			branch = repo->branch;
388 6480c871 2021-08-30 stsp 			while (branch) {
389 6480c871 2021-08-30 stsp 				err = send_gotconfig_str(ibuf,
390 6480c871 2021-08-30 stsp 				    branch->branch_name);
391 6480c871 2021-08-30 stsp 				if (err)
392 6480c871 2021-08-30 stsp 					break;
393 6480c871 2021-08-30 stsp 				branch = branch->next;
394 6480c871 2021-08-30 stsp 			}
395 6480c871 2021-08-30 stsp 		}
396 6480c871 2021-08-30 stsp 
397 6480c871 2021-08-30 stsp 		ref = repo->fetch_ref;
398 99495ddb 2021-01-10 stsp 		while (ref) {
399 99495ddb 2021-01-10 stsp 			err = send_gotconfig_str(ibuf, ref->ref_name);
400 99495ddb 2021-01-10 stsp 			if (err)
401 99495ddb 2021-01-10 stsp 				break;
402 99495ddb 2021-01-10 stsp 			ref = ref->next;
403 99495ddb 2021-01-10 stsp 		}
404 257add31 2020-09-09 stsp 	}
405 257add31 2020-09-09 stsp 
406 6480c871 2021-08-30 stsp 	free(fetch_url);
407 6480c871 2021-08-30 stsp 	free(send_url);
408 257add31 2020-09-09 stsp 	return err;
409 257add31 2020-09-09 stsp }
410 257add31 2020-09-09 stsp 
411 257add31 2020-09-09 stsp static const struct got_error *
412 f1cacac7 2021-08-29 stsp validate_protocol(const char *protocol, const char *repo_name)
413 f1cacac7 2021-08-29 stsp {
414 f1cacac7 2021-08-29 stsp 	static char msg[512];
415 f1cacac7 2021-08-29 stsp 
416 f1cacac7 2021-08-29 stsp 	if (strcmp(protocol, "ssh") != 0 &&
417 f1cacac7 2021-08-29 stsp 	    strcmp(protocol, "git+ssh") != 0 &&
418 f1cacac7 2021-08-29 stsp 	    strcmp(protocol, "git") != 0) {
419 f1cacac7 2021-08-29 stsp 		snprintf(msg, sizeof(msg),"unknown protocol \"%s\" "
420 f1cacac7 2021-08-29 stsp 		    "for remote repository \"%s\"", protocol, repo_name);
421 f1cacac7 2021-08-29 stsp 		return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
422 f1cacac7 2021-08-29 stsp 	}
423 f1cacac7 2021-08-29 stsp 
424 f1cacac7 2021-08-29 stsp 	return NULL;
425 f1cacac7 2021-08-29 stsp }
426 f1cacac7 2021-08-29 stsp 
427 f1cacac7 2021-08-29 stsp static const struct got_error *
428 257add31 2020-09-09 stsp validate_config(struct gotconfig *gotconfig)
429 257add31 2020-09-09 stsp {
430 f1cacac7 2021-08-29 stsp 	const struct got_error *err;
431 257add31 2020-09-09 stsp 	struct gotconfig_remote_repo *repo, *repo2;
432 257add31 2020-09-09 stsp 	static char msg[512];
433 257add31 2020-09-09 stsp 
434 257add31 2020-09-09 stsp 	TAILQ_FOREACH(repo, &gotconfig->remotes, entry) {
435 257add31 2020-09-09 stsp 		if (repo->name == NULL) {
436 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG,
437 257add31 2020-09-09 stsp 			    "name required for remote repository");
438 257add31 2020-09-09 stsp 		}
439 257add31 2020-09-09 stsp 
440 257add31 2020-09-09 stsp 		TAILQ_FOREACH(repo2, &gotconfig->remotes, entry) {
441 257add31 2020-09-09 stsp 			if (repo == repo2 ||
442 257add31 2020-09-09 stsp 			    strcmp(repo->name, repo2->name) != 0)
443 257add31 2020-09-09 stsp 				continue;
444 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
445 257add31 2020-09-09 stsp 			    "duplicate remote repository name '%s'",
446 257add31 2020-09-09 stsp 			    repo->name);
447 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
448 257add31 2020-09-09 stsp 		}
449 257add31 2020-09-09 stsp 
450 f1cacac7 2021-08-29 stsp 		if (repo->server == NULL &&
451 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
452 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->server == NULL) &&
453 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
454 f1cacac7 2021-08-29 stsp 		    repo->send_config->server == NULL)) {
455 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
456 257add31 2020-09-09 stsp 			    "server required for remote repository \"%s\"",
457 257add31 2020-09-09 stsp 			    repo->name);
458 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
459 257add31 2020-09-09 stsp 		}
460 257add31 2020-09-09 stsp 
461 f1cacac7 2021-08-29 stsp 		if (repo->protocol == NULL &&
462 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
463 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->protocol == NULL) &&
464 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
465 f1cacac7 2021-08-29 stsp 		    repo->send_config->protocol == NULL)) {
466 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
467 257add31 2020-09-09 stsp 			    "protocol required for remote repository \"%s\"",
468 257add31 2020-09-09 stsp 			    repo->name);
469 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
470 257add31 2020-09-09 stsp 		}
471 f1cacac7 2021-08-29 stsp 
472 f1cacac7 2021-08-29 stsp 		if (repo->protocol) {
473 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->protocol, repo->name);
474 f1cacac7 2021-08-29 stsp 			if (err)
475 f1cacac7 2021-08-29 stsp 				return err;
476 f1cacac7 2021-08-29 stsp 		}
477 f1cacac7 2021-08-29 stsp 		if (repo->fetch_config && repo->fetch_config->protocol) {
478 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->fetch_config->protocol,
479 257add31 2020-09-09 stsp 			    repo->name);
480 f1cacac7 2021-08-29 stsp 			if (err)
481 f1cacac7 2021-08-29 stsp 				return err;
482 257add31 2020-09-09 stsp 		}
483 f1cacac7 2021-08-29 stsp 		if (repo->send_config && repo->send_config->protocol) {
484 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->send_config->protocol,
485 f1cacac7 2021-08-29 stsp 			    repo->name);
486 f1cacac7 2021-08-29 stsp 			if (err)
487 f1cacac7 2021-08-29 stsp 				return err;
488 f1cacac7 2021-08-29 stsp 		}
489 257add31 2020-09-09 stsp 
490 f1cacac7 2021-08-29 stsp 		if (repo->repository == NULL &&
491 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
492 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->repository == NULL) &&
493 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
494 f1cacac7 2021-08-29 stsp 		    repo->send_config->repository == NULL)) {
495 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
496 257add31 2020-09-09 stsp 			    "repository path required for remote "
497 257add31 2020-09-09 stsp 			    "repository \"%s\"", repo->name);
498 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
499 257add31 2020-09-09 stsp 		}
500 257add31 2020-09-09 stsp 	}
501 257add31 2020-09-09 stsp 
502 257add31 2020-09-09 stsp 	return NULL;
503 257add31 2020-09-09 stsp }
504 257add31 2020-09-09 stsp 
505 257add31 2020-09-09 stsp int
506 257add31 2020-09-09 stsp main(int argc, char *argv[])
507 257add31 2020-09-09 stsp {
508 257add31 2020-09-09 stsp 	const struct got_error *err = NULL;
509 257add31 2020-09-09 stsp 	struct imsgbuf ibuf;
510 53dfa00d 2020-09-10 stsp 	struct gotconfig *gotconfig = NULL;
511 257add31 2020-09-09 stsp 	size_t datalen;
512 257add31 2020-09-09 stsp 	const char *filename = "got.conf";
513 257add31 2020-09-09 stsp #if 0
514 257add31 2020-09-09 stsp 	static int attached;
515 257add31 2020-09-09 stsp 
516 257add31 2020-09-09 stsp 	while (!attached)
517 257add31 2020-09-09 stsp 		sleep(1);
518 257add31 2020-09-09 stsp #endif
519 257add31 2020-09-09 stsp 	signal(SIGINT, catch_sigint);
520 257add31 2020-09-09 stsp 
521 257add31 2020-09-09 stsp 	imsg_init(&ibuf, GOT_IMSG_FD_CHILD);
522 257add31 2020-09-09 stsp 
523 257add31 2020-09-09 stsp #ifndef PROFILE
524 257add31 2020-09-09 stsp 	/* revoke access to most system calls */
525 257add31 2020-09-09 stsp 	if (pledge("stdio recvfd", NULL) == -1) {
526 257add31 2020-09-09 stsp 		err = got_error_from_errno("pledge");
527 257add31 2020-09-09 stsp 		got_privsep_send_error(&ibuf, err);
528 257add31 2020-09-09 stsp 		return 1;
529 257add31 2020-09-09 stsp 	}
530 257add31 2020-09-09 stsp #endif
531 257add31 2020-09-09 stsp 
532 257add31 2020-09-09 stsp 	if (argc > 1)
533 257add31 2020-09-09 stsp 		filename = argv[1];
534 257add31 2020-09-09 stsp 
535 257add31 2020-09-09 stsp 	for (;;) {
536 257add31 2020-09-09 stsp 		struct imsg imsg;
537 257add31 2020-09-09 stsp 
538 257add31 2020-09-09 stsp 		memset(&imsg, 0, sizeof(imsg));
539 257add31 2020-09-09 stsp 		imsg.fd = -1;
540 257add31 2020-09-09 stsp 
541 257add31 2020-09-09 stsp 		if (sigint_received) {
542 257add31 2020-09-09 stsp 			err = got_error(GOT_ERR_CANCELLED);
543 257add31 2020-09-09 stsp 			break;
544 257add31 2020-09-09 stsp 		}
545 257add31 2020-09-09 stsp 
546 257add31 2020-09-09 stsp 		err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
547 257add31 2020-09-09 stsp 		if (err) {
548 257add31 2020-09-09 stsp 			if (err->code == GOT_ERR_PRIVSEP_PIPE)
549 257add31 2020-09-09 stsp 				err = NULL;
550 257add31 2020-09-09 stsp 			break;
551 257add31 2020-09-09 stsp 		}
552 257add31 2020-09-09 stsp 
553 257add31 2020-09-09 stsp 		if (imsg.hdr.type == GOT_IMSG_STOP)
554 257add31 2020-09-09 stsp 			break;
555 257add31 2020-09-09 stsp 
556 257add31 2020-09-09 stsp 		switch (imsg.hdr.type) {
557 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_PARSE_REQUEST:
558 257add31 2020-09-09 stsp 			datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
559 257add31 2020-09-09 stsp 			if (datalen != 0) {
560 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_LEN);
561 257add31 2020-09-09 stsp 				break;
562 257add31 2020-09-09 stsp 			}
563 257add31 2020-09-09 stsp 			if (imsg.fd == -1){
564 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_NO_FD);
565 257add31 2020-09-09 stsp 				break;
566 257add31 2020-09-09 stsp 			}
567 257add31 2020-09-09 stsp 
568 257add31 2020-09-09 stsp 			if (gotconfig)
569 257add31 2020-09-09 stsp 				gotconfig_free(gotconfig);
570 257add31 2020-09-09 stsp 			err = gotconfig_parse(&gotconfig, filename, &imsg.fd);
571 257add31 2020-09-09 stsp 			if (err)
572 257add31 2020-09-09 stsp 				break;
573 257add31 2020-09-09 stsp 			err = validate_config(gotconfig);
574 257add31 2020-09-09 stsp 			break;
575 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST:
576 257add31 2020-09-09 stsp 			if (gotconfig == NULL) {
577 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_MSG);
578 257add31 2020-09-09 stsp 				break;
579 257add31 2020-09-09 stsp 			}
580 257add31 2020-09-09 stsp 			err = send_gotconfig_str(&ibuf,
581 257add31 2020-09-09 stsp 			    gotconfig->author ?  gotconfig->author : "");
582 257add31 2020-09-09 stsp 			break;
583 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_REMOTES_REQUEST:
584 257add31 2020-09-09 stsp 			if (gotconfig == NULL) {
585 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_MSG);
586 257add31 2020-09-09 stsp 				break;
587 257add31 2020-09-09 stsp 			}
588 257add31 2020-09-09 stsp 			err = send_gotconfig_remotes(&ibuf,
589 257add31 2020-09-09 stsp 			    &gotconfig->remotes, gotconfig->nremotes);
590 257add31 2020-09-09 stsp 			break;
591 257add31 2020-09-09 stsp 		default:
592 257add31 2020-09-09 stsp 			err = got_error(GOT_ERR_PRIVSEP_MSG);
593 257add31 2020-09-09 stsp 			break;
594 257add31 2020-09-09 stsp 		}
595 257add31 2020-09-09 stsp 
596 257add31 2020-09-09 stsp 		if (imsg.fd != -1) {
597 257add31 2020-09-09 stsp 			if (close(imsg.fd) == -1 && err == NULL)
598 257add31 2020-09-09 stsp 				err = got_error_from_errno("close");
599 257add31 2020-09-09 stsp 		}
600 257add31 2020-09-09 stsp 
601 257add31 2020-09-09 stsp 		imsg_free(&imsg);
602 257add31 2020-09-09 stsp 		if (err)
603 257add31 2020-09-09 stsp 			break;
604 257add31 2020-09-09 stsp 	}
605 257add31 2020-09-09 stsp 
606 257add31 2020-09-09 stsp 	imsg_clear(&ibuf);
607 257add31 2020-09-09 stsp 	if (err) {
608 257add31 2020-09-09 stsp 		if (!sigint_received && err->code != GOT_ERR_PRIVSEP_PIPE) {
609 257add31 2020-09-09 stsp 			fprintf(stderr, "%s: %s\n", getprogname(), err->msg);
610 257add31 2020-09-09 stsp 			got_privsep_send_error(&ibuf, err);
611 257add31 2020-09-09 stsp 		}
612 257add31 2020-09-09 stsp 	}
613 08578a35 2021-01-22 stsp 	if (close(GOT_IMSG_FD_CHILD) == -1 && err == NULL)
614 257add31 2020-09-09 stsp 		err = got_error_from_errno("close");
615 257add31 2020-09-09 stsp 	return err ? 1 : 0;
616 257add31 2020-09-09 stsp }