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/uio.h>
 19 257add31 2020-09-09 stsp #include <sys/time.h>
 20 257add31 2020-09-09 stsp 
 21 257add31 2020-09-09 stsp #include <stdint.h>
 22 257add31 2020-09-09 stsp #include <limits.h>
 23 257add31 2020-09-09 stsp #include <signal.h>
 24 257add31 2020-09-09 stsp #include <stdio.h>
 25 257add31 2020-09-09 stsp #include <stdlib.h>
 26 257add31 2020-09-09 stsp #include <string.h>
 27 e12e0e21 2020-09-14 naddy #include <unistd.h>
 28 257add31 2020-09-09 stsp #include <zlib.h>
 29 dd038bc6 2021-09-21 thomas.ad 
 30 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
 31 257add31 2020-09-09 stsp 
 32 257add31 2020-09-09 stsp #include "got_error.h"
 33 257add31 2020-09-09 stsp #include "got_object.h"
 34 5e082626 2020-09-24 stsp #include "got_path.h"
 35 257add31 2020-09-09 stsp #include "got_repository.h"
 36 257add31 2020-09-09 stsp 
 37 257add31 2020-09-09 stsp #include "got_lib_delta.h"
 38 257add31 2020-09-09 stsp #include "got_lib_object.h"
 39 257add31 2020-09-09 stsp #include "got_lib_privsep.h"
 40 257add31 2020-09-09 stsp 
 41 257add31 2020-09-09 stsp #include "gotconfig.h"
 42 257add31 2020-09-09 stsp 
 43 257add31 2020-09-09 stsp /* parse.y */
 44 257add31 2020-09-09 stsp static volatile sig_atomic_t sigint_received;
 45 257add31 2020-09-09 stsp 
 46 257add31 2020-09-09 stsp static void
 47 257add31 2020-09-09 stsp catch_sigint(int signo)
 48 257add31 2020-09-09 stsp {
 49 257add31 2020-09-09 stsp 	sigint_received = 1;
 50 257add31 2020-09-09 stsp }
 51 257add31 2020-09-09 stsp 
 52 257add31 2020-09-09 stsp static const struct got_error *
 53 6480c871 2021-08-30 stsp make_fetch_url(char **url, struct gotconfig_remote_repo *repo)
 54 257add31 2020-09-09 stsp {
 55 257add31 2020-09-09 stsp 	const struct got_error *err = NULL;
 56 257add31 2020-09-09 stsp 	char *s = NULL, *p = NULL;
 57 6480c871 2021-08-30 stsp 	const char *protocol, *server, *repo_path;
 58 6480c871 2021-08-30 stsp 	int port;
 59 257add31 2020-09-09 stsp 
 60 257add31 2020-09-09 stsp 	*url = NULL;
 61 257add31 2020-09-09 stsp 
 62 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->protocol)
 63 6480c871 2021-08-30 stsp 		protocol = repo->fetch_config->protocol;
 64 6480c871 2021-08-30 stsp 	else
 65 6480c871 2021-08-30 stsp 		protocol = repo->protocol;
 66 6480c871 2021-08-30 stsp 	if (protocol == NULL)
 67 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
 68 6480c871 2021-08-30 stsp 		    "fetch protocol required for remote repository \"%s\"",
 69 6480c871 2021-08-30 stsp 		    repo->name);
 70 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s://", protocol) == -1)
 71 257add31 2020-09-09 stsp 		return got_error_from_errno("asprintf");
 72 257add31 2020-09-09 stsp 
 73 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->server)
 74 6480c871 2021-08-30 stsp 		server = repo->fetch_config->server;
 75 6480c871 2021-08-30 stsp 	else
 76 6480c871 2021-08-30 stsp 		server = repo->server;
 77 6480c871 2021-08-30 stsp 	if (server == NULL)
 78 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
 79 6480c871 2021-08-30 stsp 		    "fetch server required for remote repository \"%s\"",
 80 6480c871 2021-08-30 stsp 		    repo->name);
 81 6480c871 2021-08-30 stsp 	p = s;
 82 6480c871 2021-08-30 stsp 	s = NULL;
 83 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s%s", p, server) == -1) {
 84 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
 85 6480c871 2021-08-30 stsp 		goto done;
 86 257add31 2020-09-09 stsp 	}
 87 6480c871 2021-08-30 stsp 	free(p);
 88 6480c871 2021-08-30 stsp 	p = NULL;
 89 257add31 2020-09-09 stsp 
 90 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->server)
 91 6480c871 2021-08-30 stsp 		port = repo->fetch_config->port;
 92 6480c871 2021-08-30 stsp 	else
 93 6480c871 2021-08-30 stsp 		port = repo->port;
 94 6480c871 2021-08-30 stsp 	if (port) {
 95 257add31 2020-09-09 stsp 		p = s;
 96 257add31 2020-09-09 stsp 		s = NULL;
 97 257add31 2020-09-09 stsp 		if (asprintf(&s, "%s:%d", p, repo->port) == -1) {
 98 257add31 2020-09-09 stsp 			err = got_error_from_errno("asprintf");
 99 257add31 2020-09-09 stsp 			goto done;
100 257add31 2020-09-09 stsp 		}
101 257add31 2020-09-09 stsp 		free(p);
102 257add31 2020-09-09 stsp 		p = NULL;
103 257add31 2020-09-09 stsp 	}
104 257add31 2020-09-09 stsp 
105 6480c871 2021-08-30 stsp 	if (repo->fetch_config && repo->fetch_config->repository)
106 6480c871 2021-08-30 stsp 		repo_path = repo->fetch_config->repository;
107 6480c871 2021-08-30 stsp 	else
108 6480c871 2021-08-30 stsp 		repo_path = repo->repository;
109 6480c871 2021-08-30 stsp 	if (repo_path == NULL)
110 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
111 6480c871 2021-08-30 stsp 		    "fetch repository path required for remote "
112 6480c871 2021-08-30 stsp 		    "repository \"%s\"", repo->name);
113 6480c871 2021-08-30 stsp 
114 6480c871 2021-08-30 stsp 	while (repo_path[0] == '/')
115 6480c871 2021-08-30 stsp 		repo_path++;
116 6480c871 2021-08-30 stsp 	p = s;
117 6480c871 2021-08-30 stsp 	s = NULL;
118 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s/%s", p, repo_path) == -1) {
119 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
120 6480c871 2021-08-30 stsp 		goto done;
121 6480c871 2021-08-30 stsp 	}
122 6480c871 2021-08-30 stsp 	free(p);
123 6480c871 2021-08-30 stsp 	p = NULL;
124 6480c871 2021-08-30 stsp 
125 6480c871 2021-08-30 stsp 	got_path_strip_trailing_slashes(s);
126 6480c871 2021-08-30 stsp done:
127 6480c871 2021-08-30 stsp 	if (err) {
128 6480c871 2021-08-30 stsp 		free(s);
129 6480c871 2021-08-30 stsp 		free(p);
130 6480c871 2021-08-30 stsp 	} else
131 6480c871 2021-08-30 stsp 		*url = s;
132 6480c871 2021-08-30 stsp 	return err;
133 6480c871 2021-08-30 stsp }
134 6480c871 2021-08-30 stsp 
135 6480c871 2021-08-30 stsp static const struct got_error *
136 6480c871 2021-08-30 stsp make_send_url(char **url, struct gotconfig_remote_repo *repo)
137 6480c871 2021-08-30 stsp {
138 6480c871 2021-08-30 stsp 	const struct got_error *err = NULL;
139 6480c871 2021-08-30 stsp 	char *s = NULL, *p = NULL;
140 6480c871 2021-08-30 stsp 	const char *protocol, *server, *repo_path;
141 6480c871 2021-08-30 stsp 	int port;
142 6480c871 2021-08-30 stsp 
143 6480c871 2021-08-30 stsp 	*url = NULL;
144 6480c871 2021-08-30 stsp 
145 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->protocol)
146 6480c871 2021-08-30 stsp 		protocol = repo->send_config->protocol;
147 6480c871 2021-08-30 stsp 	else
148 6480c871 2021-08-30 stsp 		protocol = repo->protocol;
149 6480c871 2021-08-30 stsp 	if (protocol == NULL)
150 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
151 6480c871 2021-08-30 stsp 		    "send protocol required for remote repository \"%s\"",
152 6480c871 2021-08-30 stsp 		    repo->name);
153 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s://", protocol) == -1)
154 6480c871 2021-08-30 stsp 		return got_error_from_errno("asprintf");
155 6480c871 2021-08-30 stsp 
156 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->server)
157 6480c871 2021-08-30 stsp 		server = repo->send_config->server;
158 6480c871 2021-08-30 stsp 	else
159 6480c871 2021-08-30 stsp 		server = repo->server;
160 6480c871 2021-08-30 stsp 	if (server == NULL)
161 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
162 6480c871 2021-08-30 stsp 		    "send server required for remote repository \"%s\"",
163 6480c871 2021-08-30 stsp 		    repo->name);
164 6480c871 2021-08-30 stsp 	p = s;
165 6480c871 2021-08-30 stsp 	s = NULL;
166 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s%s", p, server) == -1) {
167 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
168 6480c871 2021-08-30 stsp 		goto done;
169 6480c871 2021-08-30 stsp 	}
170 6480c871 2021-08-30 stsp 	free(p);
171 6480c871 2021-08-30 stsp 	p = NULL;
172 6480c871 2021-08-30 stsp 
173 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->server)
174 6480c871 2021-08-30 stsp 		port = repo->send_config->port;
175 6480c871 2021-08-30 stsp 	else
176 6480c871 2021-08-30 stsp 		port = repo->port;
177 6480c871 2021-08-30 stsp 	if (port) {
178 257add31 2020-09-09 stsp 		p = s;
179 257add31 2020-09-09 stsp 		s = NULL;
180 6480c871 2021-08-30 stsp 		if (asprintf(&s, "%s:%d", p, repo->port) == -1) {
181 257add31 2020-09-09 stsp 			err = got_error_from_errno("asprintf");
182 257add31 2020-09-09 stsp 			goto done;
183 257add31 2020-09-09 stsp 		}
184 257add31 2020-09-09 stsp 		free(p);
185 257add31 2020-09-09 stsp 		p = NULL;
186 257add31 2020-09-09 stsp 	}
187 5e082626 2020-09-24 stsp 
188 6480c871 2021-08-30 stsp 	if (repo->send_config && repo->send_config->repository)
189 6480c871 2021-08-30 stsp 		repo_path = repo->send_config->repository;
190 6480c871 2021-08-30 stsp 	else
191 6480c871 2021-08-30 stsp 		repo_path = repo->repository;
192 6480c871 2021-08-30 stsp 	if (repo_path == NULL)
193 6480c871 2021-08-30 stsp 		return got_error_fmt(GOT_ERR_PARSE_CONFIG,
194 6480c871 2021-08-30 stsp 		    "send repository path required for remote "
195 6480c871 2021-08-30 stsp 		    "repository \"%s\"", repo->name);
196 6480c871 2021-08-30 stsp 
197 6480c871 2021-08-30 stsp 	while (repo_path[0] == '/')
198 6480c871 2021-08-30 stsp 		repo_path++;
199 6480c871 2021-08-30 stsp 	p = s;
200 6480c871 2021-08-30 stsp 	s = NULL;
201 6480c871 2021-08-30 stsp 	if (asprintf(&s, "%s/%s", p, repo_path) == -1) {
202 6480c871 2021-08-30 stsp 		err = got_error_from_errno("asprintf");
203 6480c871 2021-08-30 stsp 		goto done;
204 6480c871 2021-08-30 stsp 	}
205 6480c871 2021-08-30 stsp 	free(p);
206 6480c871 2021-08-30 stsp 	p = NULL;
207 6480c871 2021-08-30 stsp 
208 5e082626 2020-09-24 stsp 	got_path_strip_trailing_slashes(s);
209 257add31 2020-09-09 stsp done:
210 257add31 2020-09-09 stsp 	if (err) {
211 257add31 2020-09-09 stsp 		free(s);
212 257add31 2020-09-09 stsp 		free(p);
213 257add31 2020-09-09 stsp 	} else
214 257add31 2020-09-09 stsp 		*url = s;
215 257add31 2020-09-09 stsp 	return err;
216 257add31 2020-09-09 stsp }
217 257add31 2020-09-09 stsp 
218 257add31 2020-09-09 stsp static const struct got_error *
219 257add31 2020-09-09 stsp send_gotconfig_str(struct imsgbuf *ibuf, const char *value)
220 257add31 2020-09-09 stsp {
221 be96c417 2020-09-17 stsp 	size_t len = value ? strlen(value) : 0;
222 257add31 2020-09-09 stsp 
223 257add31 2020-09-09 stsp 	if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_STR_VAL, 0, 0, -1,
224 257add31 2020-09-09 stsp 	    value, len) == -1)
225 257add31 2020-09-09 stsp 		return got_error_from_errno("imsg_compose GOTCONFIG_STR_VAL");
226 257add31 2020-09-09 stsp 
227 257add31 2020-09-09 stsp 	return got_privsep_flush_imsg(ibuf);
228 257add31 2020-09-09 stsp }
229 257add31 2020-09-09 stsp 
230 257add31 2020-09-09 stsp static const struct got_error *
231 257add31 2020-09-09 stsp send_gotconfig_remotes(struct imsgbuf *ibuf,
232 257add31 2020-09-09 stsp     struct gotconfig_remote_repo_list *remotes, int nremotes)
233 257add31 2020-09-09 stsp {
234 257add31 2020-09-09 stsp 	const struct got_error *err = NULL;
235 257add31 2020-09-09 stsp 	struct got_imsg_remotes iremotes;
236 257add31 2020-09-09 stsp 	struct gotconfig_remote_repo *repo;
237 6480c871 2021-08-30 stsp 	char *fetch_url = NULL, *send_url = NULL;
238 257add31 2020-09-09 stsp 
239 257add31 2020-09-09 stsp 	iremotes.nremotes = nremotes;
240 257add31 2020-09-09 stsp 	if (imsg_compose(ibuf, GOT_IMSG_GOTCONFIG_REMOTES, 0, 0, -1,
241 257add31 2020-09-09 stsp 	    &iremotes, sizeof(iremotes)) == -1)
242 257add31 2020-09-09 stsp 		return got_error_from_errno("imsg_compose GOTCONFIG_REMOTES");
243 257add31 2020-09-09 stsp 
244 257add31 2020-09-09 stsp 	err = got_privsep_flush_imsg(ibuf);
245 257add31 2020-09-09 stsp 	imsg_clear(ibuf);
246 257add31 2020-09-09 stsp 	if (err)
247 257add31 2020-09-09 stsp 		return err;
248 257add31 2020-09-09 stsp 
249 257add31 2020-09-09 stsp 	TAILQ_FOREACH(repo, remotes, entry) {
250 257add31 2020-09-09 stsp 		struct got_imsg_remote iremote;
251 257add31 2020-09-09 stsp 		size_t len = sizeof(iremote);
252 257add31 2020-09-09 stsp 		struct ibuf *wbuf;
253 b8adfa55 2020-09-25 stsp 		struct node_branch *branch;
254 99495ddb 2021-01-10 stsp 		struct node_ref *ref;
255 6480c871 2021-08-30 stsp 		int nfetch_branches = 0, nsend_branches = 0, nfetch_refs = 0;
256 257add31 2020-09-09 stsp 
257 93f8a337 2021-08-30 naddy 		if (repo->fetch_config && repo->fetch_config->branch)
258 6480c871 2021-08-30 stsp 			branch = repo->fetch_config->branch;
259 93f8a337 2021-08-30 naddy 		else
260 6480c871 2021-08-30 stsp 			branch = repo->branch;
261 93f8a337 2021-08-30 naddy 		while (branch) {
262 93f8a337 2021-08-30 naddy 			branch = branch->next;
263 93f8a337 2021-08-30 naddy 			nfetch_branches++;
264 99495ddb 2021-01-10 stsp 		}
265 99495ddb 2021-01-10 stsp 
266 93f8a337 2021-08-30 naddy 		if (repo->send_config && repo->send_config->branch)
267 6480c871 2021-08-30 stsp 			branch = repo->send_config->branch;
268 93f8a337 2021-08-30 naddy 		else
269 6480c871 2021-08-30 stsp 			branch = repo->branch;
270 93f8a337 2021-08-30 naddy 		while (branch) {
271 93f8a337 2021-08-30 naddy 			branch = branch->next;
272 93f8a337 2021-08-30 naddy 			nsend_branches++;
273 6480c871 2021-08-30 stsp 		}
274 6480c871 2021-08-30 stsp 
275 6480c871 2021-08-30 stsp 		ref = repo->fetch_ref;
276 99495ddb 2021-01-10 stsp 		while (ref) {
277 99495ddb 2021-01-10 stsp 			ref = ref->next;
278 6480c871 2021-08-30 stsp 			nfetch_refs++;
279 b8adfa55 2020-09-25 stsp 		}
280 b8adfa55 2020-09-25 stsp 
281 6480c871 2021-08-30 stsp 		iremote.nfetch_branches = nfetch_branches;
282 6480c871 2021-08-30 stsp 		iremote.nsend_branches = nsend_branches;
283 6480c871 2021-08-30 stsp 		iremote.nfetch_refs = nfetch_refs;
284 257add31 2020-09-09 stsp 		iremote.mirror_references = repo->mirror_references;
285 0c8b29c5 2021-01-05 stsp 		iremote.fetch_all_branches = repo->fetch_all_branches;
286 257add31 2020-09-09 stsp 
287 257add31 2020-09-09 stsp 		iremote.name_len = strlen(repo->name);
288 257add31 2020-09-09 stsp 		len += iremote.name_len;
289 257add31 2020-09-09 stsp 
290 6480c871 2021-08-30 stsp 		err = make_fetch_url(&fetch_url, repo);
291 257add31 2020-09-09 stsp 		if (err)
292 257add31 2020-09-09 stsp 			break;
293 6480c871 2021-08-30 stsp 		iremote.fetch_url_len = strlen(fetch_url);
294 6480c871 2021-08-30 stsp 		len += iremote.fetch_url_len;
295 6480c871 2021-08-30 stsp 
296 6480c871 2021-08-30 stsp 		err = make_send_url(&send_url, repo);
297 6480c871 2021-08-30 stsp 		if (err)
298 6480c871 2021-08-30 stsp 			break;
299 6480c871 2021-08-30 stsp 		iremote.send_url_len = strlen(send_url);
300 6480c871 2021-08-30 stsp 		len += iremote.send_url_len;
301 257add31 2020-09-09 stsp 
302 257add31 2020-09-09 stsp 		wbuf = imsg_create(ibuf, GOT_IMSG_GOTCONFIG_REMOTE, 0, 0, len);
303 257add31 2020-09-09 stsp 		if (wbuf == NULL) {
304 257add31 2020-09-09 stsp 			err = got_error_from_errno(
305 257add31 2020-09-09 stsp 			    "imsg_create GOTCONFIG_REMOTE");
306 257add31 2020-09-09 stsp 			break;
307 257add31 2020-09-09 stsp 		}
308 257add31 2020-09-09 stsp 
309 257add31 2020-09-09 stsp 		if (imsg_add(wbuf, &iremote, sizeof(iremote)) == -1) {
310 257add31 2020-09-09 stsp 			err = got_error_from_errno(
311 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
312 257add31 2020-09-09 stsp 			break;
313 257add31 2020-09-09 stsp 		}
314 257add31 2020-09-09 stsp 
315 257add31 2020-09-09 stsp 		if (imsg_add(wbuf, repo->name, iremote.name_len) == -1) {
316 257add31 2020-09-09 stsp 			err = got_error_from_errno(
317 257add31 2020-09-09 stsp 			    "imsg_add GOTCONFIG_REMOTE");
318 257add31 2020-09-09 stsp 			break;
319 257add31 2020-09-09 stsp 		}
320 6480c871 2021-08-30 stsp 		if (imsg_add(wbuf, fetch_url, iremote.fetch_url_len) == -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 			break;
324 257add31 2020-09-09 stsp 		}
325 6480c871 2021-08-30 stsp 		if (imsg_add(wbuf, send_url, iremote.send_url_len) == -1) {
326 6480c871 2021-08-30 stsp 			err = got_error_from_errno(
327 6480c871 2021-08-30 stsp 			    "imsg_add GOTCONFIG_REMOTE");
328 6480c871 2021-08-30 stsp 			break;
329 6480c871 2021-08-30 stsp 		}
330 257add31 2020-09-09 stsp 
331 257add31 2020-09-09 stsp 		wbuf->fd = -1;
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 f1cacac7 2021-08-29 stsp 	    strcmp(protocol, "git") != 0) {
386 f1cacac7 2021-08-29 stsp 		snprintf(msg, sizeof(msg),"unknown protocol \"%s\" "
387 f1cacac7 2021-08-29 stsp 		    "for remote repository \"%s\"", protocol, repo_name);
388 f1cacac7 2021-08-29 stsp 		return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
389 f1cacac7 2021-08-29 stsp 	}
390 f1cacac7 2021-08-29 stsp 
391 f1cacac7 2021-08-29 stsp 	return NULL;
392 f1cacac7 2021-08-29 stsp }
393 f1cacac7 2021-08-29 stsp 
394 f1cacac7 2021-08-29 stsp static const struct got_error *
395 257add31 2020-09-09 stsp validate_config(struct gotconfig *gotconfig)
396 257add31 2020-09-09 stsp {
397 f1cacac7 2021-08-29 stsp 	const struct got_error *err;
398 257add31 2020-09-09 stsp 	struct gotconfig_remote_repo *repo, *repo2;
399 257add31 2020-09-09 stsp 	static char msg[512];
400 257add31 2020-09-09 stsp 
401 257add31 2020-09-09 stsp 	TAILQ_FOREACH(repo, &gotconfig->remotes, entry) {
402 257add31 2020-09-09 stsp 		if (repo->name == NULL) {
403 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG,
404 257add31 2020-09-09 stsp 			    "name required for remote repository");
405 257add31 2020-09-09 stsp 		}
406 257add31 2020-09-09 stsp 
407 257add31 2020-09-09 stsp 		TAILQ_FOREACH(repo2, &gotconfig->remotes, entry) {
408 257add31 2020-09-09 stsp 			if (repo == repo2 ||
409 257add31 2020-09-09 stsp 			    strcmp(repo->name, repo2->name) != 0)
410 257add31 2020-09-09 stsp 				continue;
411 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
412 257add31 2020-09-09 stsp 			    "duplicate remote repository name '%s'",
413 257add31 2020-09-09 stsp 			    repo->name);
414 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
415 257add31 2020-09-09 stsp 		}
416 257add31 2020-09-09 stsp 
417 f1cacac7 2021-08-29 stsp 		if (repo->server == NULL &&
418 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
419 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->server == NULL) &&
420 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
421 f1cacac7 2021-08-29 stsp 		    repo->send_config->server == NULL)) {
422 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
423 257add31 2020-09-09 stsp 			    "server required for remote repository \"%s\"",
424 257add31 2020-09-09 stsp 			    repo->name);
425 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
426 257add31 2020-09-09 stsp 		}
427 257add31 2020-09-09 stsp 
428 f1cacac7 2021-08-29 stsp 		if (repo->protocol == NULL &&
429 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
430 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->protocol == NULL) &&
431 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
432 f1cacac7 2021-08-29 stsp 		    repo->send_config->protocol == NULL)) {
433 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
434 257add31 2020-09-09 stsp 			    "protocol required for remote repository \"%s\"",
435 257add31 2020-09-09 stsp 			    repo->name);
436 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
437 257add31 2020-09-09 stsp 		}
438 f1cacac7 2021-08-29 stsp 
439 f1cacac7 2021-08-29 stsp 		if (repo->protocol) {
440 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->protocol, repo->name);
441 f1cacac7 2021-08-29 stsp 			if (err)
442 f1cacac7 2021-08-29 stsp 				return err;
443 f1cacac7 2021-08-29 stsp 		}
444 f1cacac7 2021-08-29 stsp 		if (repo->fetch_config && repo->fetch_config->protocol) {
445 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->fetch_config->protocol,
446 257add31 2020-09-09 stsp 			    repo->name);
447 f1cacac7 2021-08-29 stsp 			if (err)
448 f1cacac7 2021-08-29 stsp 				return err;
449 257add31 2020-09-09 stsp 		}
450 f1cacac7 2021-08-29 stsp 		if (repo->send_config && repo->send_config->protocol) {
451 f1cacac7 2021-08-29 stsp 			err = validate_protocol(repo->send_config->protocol,
452 f1cacac7 2021-08-29 stsp 			    repo->name);
453 f1cacac7 2021-08-29 stsp 			if (err)
454 f1cacac7 2021-08-29 stsp 				return err;
455 f1cacac7 2021-08-29 stsp 		}
456 257add31 2020-09-09 stsp 
457 f1cacac7 2021-08-29 stsp 		if (repo->repository == NULL &&
458 f1cacac7 2021-08-29 stsp 		    (repo->fetch_config == NULL ||
459 f1cacac7 2021-08-29 stsp 		    repo->fetch_config->repository == NULL) &&
460 f1cacac7 2021-08-29 stsp 		    (repo->send_config == NULL ||
461 f1cacac7 2021-08-29 stsp 		    repo->send_config->repository == NULL)) {
462 257add31 2020-09-09 stsp 			snprintf(msg, sizeof(msg),
463 257add31 2020-09-09 stsp 			    "repository path required for remote "
464 257add31 2020-09-09 stsp 			    "repository \"%s\"", repo->name);
465 257add31 2020-09-09 stsp 			return got_error_msg(GOT_ERR_PARSE_CONFIG, msg);
466 257add31 2020-09-09 stsp 		}
467 257add31 2020-09-09 stsp 	}
468 257add31 2020-09-09 stsp 
469 257add31 2020-09-09 stsp 	return NULL;
470 257add31 2020-09-09 stsp }
471 257add31 2020-09-09 stsp 
472 257add31 2020-09-09 stsp int
473 257add31 2020-09-09 stsp main(int argc, char *argv[])
474 257add31 2020-09-09 stsp {
475 257add31 2020-09-09 stsp 	const struct got_error *err = NULL;
476 257add31 2020-09-09 stsp 	struct imsgbuf ibuf;
477 53dfa00d 2020-09-10 stsp 	struct gotconfig *gotconfig = NULL;
478 257add31 2020-09-09 stsp 	size_t datalen;
479 257add31 2020-09-09 stsp 	const char *filename = "got.conf";
480 257add31 2020-09-09 stsp #if 0
481 257add31 2020-09-09 stsp 	static int attached;
482 257add31 2020-09-09 stsp 
483 257add31 2020-09-09 stsp 	while (!attached)
484 257add31 2020-09-09 stsp 		sleep(1);
485 257add31 2020-09-09 stsp #endif
486 257add31 2020-09-09 stsp 	signal(SIGINT, catch_sigint);
487 257add31 2020-09-09 stsp 
488 257add31 2020-09-09 stsp 	imsg_init(&ibuf, GOT_IMSG_FD_CHILD);
489 257add31 2020-09-09 stsp 
490 257add31 2020-09-09 stsp #ifndef PROFILE
491 257add31 2020-09-09 stsp 	/* revoke access to most system calls */
492 257add31 2020-09-09 stsp 	if (pledge("stdio recvfd", NULL) == -1) {
493 257add31 2020-09-09 stsp 		err = got_error_from_errno("pledge");
494 257add31 2020-09-09 stsp 		got_privsep_send_error(&ibuf, err);
495 257add31 2020-09-09 stsp 		return 1;
496 257add31 2020-09-09 stsp 	}
497 97799ccd 2022-02-06 thomas 
498 97799ccd 2022-02-06 thomas 	/* revoke fs access */
499 97799ccd 2022-02-06 thomas 	if (landlock_no_fs() == -1) {
500 97799ccd 2022-02-06 thomas 		err = got_error_from_errno("landlock_no_fs");
501 97799ccd 2022-02-06 thomas 		got_privsep_send_error(&ibuf, err);
502 97799ccd 2022-02-06 thomas 		return 1;
503 97799ccd 2022-02-06 thomas 	}
504 5d120ea8 2022-06-23 op 	if (cap_enter() == -1) {
505 5d120ea8 2022-06-23 op 		err = got_error_from_errno("cap_enter");
506 5d120ea8 2022-06-23 op 		got_privsep_send_error(&ibuf, err);
507 5d120ea8 2022-06-23 op 		return 1;
508 5d120ea8 2022-06-23 op 	}
509 257add31 2020-09-09 stsp #endif
510 257add31 2020-09-09 stsp 
511 257add31 2020-09-09 stsp 	if (argc > 1)
512 257add31 2020-09-09 stsp 		filename = argv[1];
513 257add31 2020-09-09 stsp 
514 257add31 2020-09-09 stsp 	for (;;) {
515 257add31 2020-09-09 stsp 		struct imsg imsg;
516 257add31 2020-09-09 stsp 
517 257add31 2020-09-09 stsp 		memset(&imsg, 0, sizeof(imsg));
518 257add31 2020-09-09 stsp 		imsg.fd = -1;
519 257add31 2020-09-09 stsp 
520 257add31 2020-09-09 stsp 		if (sigint_received) {
521 257add31 2020-09-09 stsp 			err = got_error(GOT_ERR_CANCELLED);
522 257add31 2020-09-09 stsp 			break;
523 257add31 2020-09-09 stsp 		}
524 257add31 2020-09-09 stsp 
525 257add31 2020-09-09 stsp 		err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
526 257add31 2020-09-09 stsp 		if (err) {
527 257add31 2020-09-09 stsp 			if (err->code == GOT_ERR_PRIVSEP_PIPE)
528 257add31 2020-09-09 stsp 				err = NULL;
529 257add31 2020-09-09 stsp 			break;
530 257add31 2020-09-09 stsp 		}
531 257add31 2020-09-09 stsp 
532 257add31 2020-09-09 stsp 		if (imsg.hdr.type == GOT_IMSG_STOP)
533 257add31 2020-09-09 stsp 			break;
534 257add31 2020-09-09 stsp 
535 257add31 2020-09-09 stsp 		switch (imsg.hdr.type) {
536 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_PARSE_REQUEST:
537 257add31 2020-09-09 stsp 			datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
538 257add31 2020-09-09 stsp 			if (datalen != 0) {
539 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_LEN);
540 257add31 2020-09-09 stsp 				break;
541 257add31 2020-09-09 stsp 			}
542 257add31 2020-09-09 stsp 			if (imsg.fd == -1){
543 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_NO_FD);
544 257add31 2020-09-09 stsp 				break;
545 257add31 2020-09-09 stsp 			}
546 257add31 2020-09-09 stsp 
547 257add31 2020-09-09 stsp 			if (gotconfig)
548 257add31 2020-09-09 stsp 				gotconfig_free(gotconfig);
549 257add31 2020-09-09 stsp 			err = gotconfig_parse(&gotconfig, filename, &imsg.fd);
550 257add31 2020-09-09 stsp 			if (err)
551 257add31 2020-09-09 stsp 				break;
552 257add31 2020-09-09 stsp 			err = validate_config(gotconfig);
553 257add31 2020-09-09 stsp 			break;
554 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_AUTHOR_REQUEST:
555 257add31 2020-09-09 stsp 			if (gotconfig == NULL) {
556 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_MSG);
557 257add31 2020-09-09 stsp 				break;
558 257add31 2020-09-09 stsp 			}
559 257add31 2020-09-09 stsp 			err = send_gotconfig_str(&ibuf,
560 257add31 2020-09-09 stsp 			    gotconfig->author ?  gotconfig->author : "");
561 871bd038 2022-07-03 thomas 			break;
562 871bd038 2022-07-03 thomas 		case GOT_IMSG_GOTCONFIG_ALLOWEDSIGNERS_REQUEST:
563 871bd038 2022-07-03 thomas 			if (gotconfig == NULL) {
564 871bd038 2022-07-03 thomas 				err = got_error(GOT_ERR_PRIVSEP_MSG);
565 871bd038 2022-07-03 thomas 				break;
566 871bd038 2022-07-03 thomas 			}
567 871bd038 2022-07-03 thomas 			err = send_gotconfig_str(&ibuf,
568 871bd038 2022-07-03 thomas 			    gotconfig->allowed_signers_file ?
569 871bd038 2022-07-03 thomas 			        gotconfig->allowed_signers_file : "");
570 871bd038 2022-07-03 thomas 			break;
571 871bd038 2022-07-03 thomas 		case GOT_IMSG_GOTCONFIG_REVOKEDSIGNERS_REQUEST:
572 871bd038 2022-07-03 thomas 			if (gotconfig == NULL) {
573 871bd038 2022-07-03 thomas 				err = got_error(GOT_ERR_PRIVSEP_MSG);
574 871bd038 2022-07-03 thomas 				break;
575 871bd038 2022-07-03 thomas 			}
576 871bd038 2022-07-03 thomas 			err = send_gotconfig_str(&ibuf,
577 871bd038 2022-07-03 thomas 			    gotconfig->revoked_signers_file ?
578 871bd038 2022-07-03 thomas 			        gotconfig->revoked_signers_file : "");
579 ff5e1f09 2022-07-06 thomas 			break;
580 ff5e1f09 2022-07-06 thomas 		case GOT_IMSG_GOTCONFIG_SIGNERID_REQUEST:
581 ff5e1f09 2022-07-06 thomas 			if (gotconfig == NULL) {
582 ff5e1f09 2022-07-06 thomas 				err = got_error(GOT_ERR_PRIVSEP_MSG);
583 ff5e1f09 2022-07-06 thomas 				break;
584 ff5e1f09 2022-07-06 thomas 			}
585 ff5e1f09 2022-07-06 thomas 			err = send_gotconfig_str(&ibuf,
586 ff5e1f09 2022-07-06 thomas 			    gotconfig->signer_id ? gotconfig->signer_id : "");
587 257add31 2020-09-09 stsp 			break;
588 257add31 2020-09-09 stsp 		case GOT_IMSG_GOTCONFIG_REMOTES_REQUEST:
589 257add31 2020-09-09 stsp 			if (gotconfig == NULL) {
590 257add31 2020-09-09 stsp 				err = got_error(GOT_ERR_PRIVSEP_MSG);
591 257add31 2020-09-09 stsp 				break;
592 257add31 2020-09-09 stsp 			}
593 257add31 2020-09-09 stsp 			err = send_gotconfig_remotes(&ibuf,
594 257add31 2020-09-09 stsp 			    &gotconfig->remotes, gotconfig->nremotes);
595 257add31 2020-09-09 stsp 			break;
596 257add31 2020-09-09 stsp 		default:
597 257add31 2020-09-09 stsp 			err = got_error(GOT_ERR_PRIVSEP_MSG);
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 		if (imsg.fd != -1) {
602 257add31 2020-09-09 stsp 			if (close(imsg.fd) == -1 && err == NULL)
603 257add31 2020-09-09 stsp 				err = got_error_from_errno("close");
604 257add31 2020-09-09 stsp 		}
605 257add31 2020-09-09 stsp 
606 257add31 2020-09-09 stsp 		imsg_free(&imsg);
607 257add31 2020-09-09 stsp 		if (err)
608 257add31 2020-09-09 stsp 			break;
609 257add31 2020-09-09 stsp 	}
610 257add31 2020-09-09 stsp 
611 257add31 2020-09-09 stsp 	imsg_clear(&ibuf);
612 257add31 2020-09-09 stsp 	if (err) {
613 257add31 2020-09-09 stsp 		if (!sigint_received && err->code != GOT_ERR_PRIVSEP_PIPE) {
614 257add31 2020-09-09 stsp 			fprintf(stderr, "%s: %s\n", getprogname(), err->msg);
615 257add31 2020-09-09 stsp 			got_privsep_send_error(&ibuf, err);
616 257add31 2020-09-09 stsp 		}
617 257add31 2020-09-09 stsp 	}
618 08578a35 2021-01-22 stsp 	if (close(GOT_IMSG_FD_CHILD) == -1 && err == NULL)
619 257add31 2020-09-09 stsp 		err = got_error_from_errno("close");
620 257add31 2020-09-09 stsp 	return err ? 1 : 0;
621 257add31 2020-09-09 stsp }