2 aba9c984 2019-09-08 stsp * Copyright (c) 2019 Stefan Sperling <stsp@openbsd.org>
4 aba9c984 2019-09-08 stsp * Permission to use, copy, modify, and distribute this software for any
5 aba9c984 2019-09-08 stsp * purpose with or without fee is hereby granted, provided that the above
6 aba9c984 2019-09-08 stsp * copyright notice and this permission notice appear in all copies.
8 aba9c984 2019-09-08 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 aba9c984 2019-09-08 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 aba9c984 2019-09-08 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 aba9c984 2019-09-08 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 aba9c984 2019-09-08 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 aba9c984 2019-09-08 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 aba9c984 2019-09-08 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 aba9c984 2019-09-08 stsp #include <sys/types.h>
18 aba9c984 2019-09-08 stsp #include <sys/queue.h>
19 aba9c984 2019-09-08 stsp #include <sys/uio.h>
20 aba9c984 2019-09-08 stsp #include <sys/time.h>
22 aba9c984 2019-09-08 stsp #include <stdint.h>
23 aba9c984 2019-09-08 stsp #include <imsg.h>
24 aba9c984 2019-09-08 stsp #include <limits.h>
25 aba9c984 2019-09-08 stsp #include <signal.h>
26 aba9c984 2019-09-08 stsp #include <stdio.h>
27 aba9c984 2019-09-08 stsp #include <stdlib.h>
28 aba9c984 2019-09-08 stsp #include <string.h>
29 aba9c984 2019-09-08 stsp #include <sha1.h>
30 81a12da5 2020-09-09 naddy #include <unistd.h>
31 aba9c984 2019-09-08 stsp #include <zlib.h>
33 aba9c984 2019-09-08 stsp #include "got_error.h"
34 aba9c984 2019-09-08 stsp #include "got_object.h"
35 cd95becd 2019-11-29 stsp #include "got_repository.h"
37 aba9c984 2019-09-08 stsp #include "got_lib_delta.h"
38 aba9c984 2019-09-08 stsp #include "got_lib_object.h"
39 aba9c984 2019-09-08 stsp #include "got_lib_privsep.h"
40 aba9c984 2019-09-08 stsp #include "got_lib_gitconfig.h"
42 aba9c984 2019-09-08 stsp static volatile sig_atomic_t sigint_received;
45 aba9c984 2019-09-08 stsp catch_sigint(int signo)
47 aba9c984 2019-09-08 stsp sigint_received = 1;
50 aba9c984 2019-09-08 stsp static const struct got_error *
51 e70bf110 2020-03-22 stsp send_gitconfig_int(struct imsgbuf *ibuf, int value)
53 e70bf110 2020-03-22 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_INT_VAL, 0, 0, -1,
54 e70bf110 2020-03-22 stsp &value, sizeof(value)) == -1)
55 e70bf110 2020-03-22 stsp return got_error_from_errno("imsg_compose GITCONFIG_INT_VAL");
57 e70bf110 2020-03-22 stsp return got_privsep_flush_imsg(ibuf);
60 e70bf110 2020-03-22 stsp static const struct got_error *
61 aba9c984 2019-09-08 stsp gitconfig_num_request(struct imsgbuf *ibuf, struct got_gitconfig *gitconfig,
62 aba9c984 2019-09-08 stsp char *section, char *tag, int def)
66 aba9c984 2019-09-08 stsp if (gitconfig == NULL)
67 aba9c984 2019-09-08 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
69 aba9c984 2019-09-08 stsp value = got_gitconfig_get_num(gitconfig, section, tag, def);
70 e70bf110 2020-03-22 stsp return send_gitconfig_int(ibuf, value);
73 aba9c984 2019-09-08 stsp static const struct got_error *
74 e70bf110 2020-03-22 stsp send_gitconfig_str(struct imsgbuf *ibuf, const char *value)
76 6c13dcd2 2020-09-18 stsp size_t len = value ? strlen(value) : 0;
78 e70bf110 2020-03-22 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_STR_VAL, 0, 0, -1,
79 e70bf110 2020-03-22 stsp value, len) == -1)
80 e70bf110 2020-03-22 stsp return got_error_from_errno("imsg_compose GITCONFIG_STR_VAL");
82 e70bf110 2020-03-22 stsp return got_privsep_flush_imsg(ibuf);
85 e70bf110 2020-03-22 stsp static const struct got_error *
86 aba9c984 2019-09-08 stsp gitconfig_str_request(struct imsgbuf *ibuf, struct got_gitconfig *gitconfig,
87 aba9c984 2019-09-08 stsp char *section, char *tag)
89 aba9c984 2019-09-08 stsp char *value;
91 aba9c984 2019-09-08 stsp if (gitconfig == NULL)
92 aba9c984 2019-09-08 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
94 aba9c984 2019-09-08 stsp value = got_gitconfig_get_str(gitconfig, section, tag);
95 e70bf110 2020-03-22 stsp return send_gitconfig_str(ibuf, value);
98 cd95becd 2019-11-29 stsp static const struct got_error *
99 e70bf110 2020-03-22 stsp send_gitconfig_remotes(struct imsgbuf *ibuf, struct got_remote_repo *remotes,
100 e70bf110 2020-03-22 stsp int nremotes)
102 e70bf110 2020-03-22 stsp const struct got_error *err = NULL;
103 e70bf110 2020-03-22 stsp struct got_imsg_remotes iremotes;
106 e70bf110 2020-03-22 stsp iremotes.nremotes = nremotes;
107 e70bf110 2020-03-22 stsp if (imsg_compose(ibuf, GOT_IMSG_GITCONFIG_REMOTES, 0, 0, -1,
108 e70bf110 2020-03-22 stsp &iremotes, sizeof(iremotes)) == -1)
109 e70bf110 2020-03-22 stsp return got_error_from_errno("imsg_compose GITCONFIG_REMOTES");
111 e70bf110 2020-03-22 stsp err = got_privsep_flush_imsg(ibuf);
112 e70bf110 2020-03-22 stsp imsg_clear(ibuf);
114 e70bf110 2020-03-22 stsp return err;
116 e70bf110 2020-03-22 stsp for (i = 0; i < nremotes; i++) {
117 e70bf110 2020-03-22 stsp struct got_imsg_remote iremote;
118 e70bf110 2020-03-22 stsp size_t len = sizeof(iremote);
119 e70bf110 2020-03-22 stsp struct ibuf *wbuf;
121 e70bf110 2020-03-22 stsp iremote.mirror_references = remotes[i].mirror_references;
122 e70bf110 2020-03-22 stsp iremote.name_len = strlen(remotes[i].name);
123 e70bf110 2020-03-22 stsp len += iremote.name_len;
124 e70bf110 2020-03-22 stsp iremote.url_len = strlen(remotes[i].url);
125 e70bf110 2020-03-22 stsp len += iremote.url_len;
127 e70bf110 2020-03-22 stsp wbuf = imsg_create(ibuf, GOT_IMSG_GITCONFIG_REMOTE, 0, 0, len);
128 e70bf110 2020-03-22 stsp if (wbuf == NULL)
129 e70bf110 2020-03-22 stsp return got_error_from_errno(
130 e70bf110 2020-03-22 stsp "imsg_create GITCONFIG_REMOTE");
132 e70bf110 2020-03-22 stsp if (imsg_add(wbuf, &iremote, sizeof(iremote)) == -1) {
133 e70bf110 2020-03-22 stsp err = got_error_from_errno(
134 e70bf110 2020-03-22 stsp "imsg_add GITCONFIG_REMOTE");
135 e70bf110 2020-03-22 stsp ibuf_free(wbuf);
136 e70bf110 2020-03-22 stsp return err;
139 e70bf110 2020-03-22 stsp if (imsg_add(wbuf, remotes[i].name, iremote.name_len) == -1) {
140 e70bf110 2020-03-22 stsp err = got_error_from_errno(
141 e70bf110 2020-03-22 stsp "imsg_add GITCONFIG_REMOTE");
142 e70bf110 2020-03-22 stsp ibuf_free(wbuf);
143 e70bf110 2020-03-22 stsp return err;
145 e70bf110 2020-03-22 stsp if (imsg_add(wbuf, remotes[i].url, iremote.url_len) == -1) {
146 e70bf110 2020-03-22 stsp err = got_error_from_errno(
147 e70bf110 2020-03-22 stsp "imsg_add GITCONFIG_REMOTE");
148 e70bf110 2020-03-22 stsp ibuf_free(wbuf);
149 e70bf110 2020-03-22 stsp return err;
152 e70bf110 2020-03-22 stsp wbuf->fd = -1;
153 e70bf110 2020-03-22 stsp imsg_close(ibuf, wbuf);
154 e70bf110 2020-03-22 stsp err = got_privsep_flush_imsg(ibuf);
156 e70bf110 2020-03-22 stsp return err;
159 e70bf110 2020-03-22 stsp return NULL;
163 20b7abb3 2020-10-22 stsp get_boolean_val(char *val)
165 20b7abb3 2020-10-22 stsp return (strcasecmp(val, "true") == 0 ||
166 20b7abb3 2020-10-22 stsp strcasecmp(val, "on") == 0 ||
167 20b7abb3 2020-10-22 stsp strcasecmp(val, "yes") == 0 ||
168 20b7abb3 2020-10-22 stsp strcmp(val, "1") == 0);
171 e70bf110 2020-03-22 stsp static const struct got_error *
172 cd95becd 2019-11-29 stsp gitconfig_remotes_request(struct imsgbuf *ibuf, struct got_gitconfig *gitconfig)
174 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
175 cd95becd 2019-11-29 stsp struct got_gitconfig_list *sections;
176 cd95becd 2019-11-29 stsp struct got_gitconfig_list_node *node;
177 cd95becd 2019-11-29 stsp struct got_remote_repo *remotes = NULL;
178 cd95becd 2019-11-29 stsp int nremotes = 0, i;
180 cd95becd 2019-11-29 stsp if (gitconfig == NULL)
181 cd95becd 2019-11-29 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
183 cd95becd 2019-11-29 stsp err = got_gitconfig_get_section_list(§ions, gitconfig);
185 cd95becd 2019-11-29 stsp return err;
187 cd95becd 2019-11-29 stsp TAILQ_FOREACH(node, §ions->fields, link) {
188 cd95becd 2019-11-29 stsp if (strncasecmp("remote \"", node->field, 8) != 0)
190 cd95becd 2019-11-29 stsp nremotes++;
193 cd95becd 2019-11-29 stsp if (nremotes == 0) {
194 e70bf110 2020-03-22 stsp err = send_gitconfig_remotes(ibuf, NULL, 0);
198 cd95becd 2019-11-29 stsp remotes = recallocarray(NULL, 0, nremotes, sizeof(*remotes));
199 cd95becd 2019-11-29 stsp if (remotes == NULL) {
200 cd95becd 2019-11-29 stsp err = got_error_from_errno("recallocarray");
205 cd95becd 2019-11-29 stsp TAILQ_FOREACH(node, §ions->fields, link) {
206 469dd726 2020-03-20 stsp char *name, *end, *mirror;
208 cd95becd 2019-11-29 stsp if (strncasecmp("remote \"", node->field, 8) != 0)
211 cd95becd 2019-11-29 stsp name = strdup(node->field + 8);
212 cd95becd 2019-11-29 stsp if (name == NULL) {
213 cd95becd 2019-11-29 stsp err = got_error_from_errno("strdup");
216 cd95becd 2019-11-29 stsp end = strrchr(name, '"');
218 cd95becd 2019-11-29 stsp *end = '\0';
219 cd95becd 2019-11-29 stsp remotes[i].name = name;
221 cd95becd 2019-11-29 stsp remotes[i].url = got_gitconfig_get_str(gitconfig,
222 cd95becd 2019-11-29 stsp node->field, "url");
223 cd95becd 2019-11-29 stsp if (remotes[i].url == NULL) {
224 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_GITCONFIG_SYNTAX);
228 469dd726 2020-03-20 stsp remotes[i].mirror_references = 0;
229 469dd726 2020-03-20 stsp mirror = got_gitconfig_get_str(gitconfig, node->field,
231 20b7abb3 2020-10-22 stsp if (mirror != NULL && get_boolean_val(mirror))
232 469dd726 2020-03-20 stsp remotes[i].mirror_references = 1;
237 e70bf110 2020-03-22 stsp err = send_gitconfig_remotes(ibuf, remotes, nremotes);
239 cd95becd 2019-11-29 stsp for (i = 0; i < nremotes; i++)
240 cd95becd 2019-11-29 stsp free(remotes[i].name);
241 cd95becd 2019-11-29 stsp free(remotes);
242 cd95becd 2019-11-29 stsp got_gitconfig_free_list(sections);
243 cd95becd 2019-11-29 stsp return err;
246 9a1cc63f 2020-02-03 stsp static const struct got_error *
247 9a1cc63f 2020-02-03 stsp gitconfig_owner_request(struct imsgbuf *ibuf, struct got_gitconfig *gitconfig)
249 9a1cc63f 2020-02-03 stsp char *value;
251 9a1cc63f 2020-02-03 stsp if (gitconfig == NULL)
252 9a1cc63f 2020-02-03 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
254 9a1cc63f 2020-02-03 stsp value = got_gitconfig_get_str(gitconfig, "gotweb", "owner");
256 e70bf110 2020-03-22 stsp return send_gitconfig_str(ibuf, value);
257 9a1cc63f 2020-02-03 stsp value = got_gitconfig_get_str(gitconfig, "gitweb", "owner");
258 e70bf110 2020-03-22 stsp return send_gitconfig_str(ibuf, value);
261 20b7abb3 2020-10-22 stsp static const struct got_error *
262 20b7abb3 2020-10-22 stsp gitconfig_extensions_request(struct imsgbuf *ibuf,
263 20b7abb3 2020-10-22 stsp struct got_gitconfig *gitconfig)
265 20b7abb3 2020-10-22 stsp const struct got_error *err = NULL;
266 20b7abb3 2020-10-22 stsp struct got_gitconfig_list *tags;
267 20b7abb3 2020-10-22 stsp struct got_gitconfig_list_node *node;
268 20b7abb3 2020-10-22 stsp int nextensions = 0;
271 20b7abb3 2020-10-22 stsp if (gitconfig == NULL)
272 20b7abb3 2020-10-22 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
274 20b7abb3 2020-10-22 stsp tags = got_gitconfig_get_tag_list(gitconfig, "extensions");
275 20b7abb3 2020-10-22 stsp if (tags == NULL)
276 20b7abb3 2020-10-22 stsp return send_gitconfig_int(ibuf, 0);
278 20b7abb3 2020-10-22 stsp TAILQ_FOREACH(node, &tags->fields, link) {
279 20b7abb3 2020-10-22 stsp val = got_gitconfig_get_str(gitconfig, "extensions",
280 20b7abb3 2020-10-22 stsp node->field);
281 20b7abb3 2020-10-22 stsp if (get_boolean_val(val))
282 20b7abb3 2020-10-22 stsp nextensions++;
285 20b7abb3 2020-10-22 stsp err = send_gitconfig_int(ibuf, nextensions);
289 20b7abb3 2020-10-22 stsp TAILQ_FOREACH(node, &tags->fields, link) {
290 20b7abb3 2020-10-22 stsp val = got_gitconfig_get_str(gitconfig, "extensions",
291 20b7abb3 2020-10-22 stsp node->field);
292 20b7abb3 2020-10-22 stsp if (get_boolean_val(val)) {
293 20b7abb3 2020-10-22 stsp err = send_gitconfig_str(ibuf, node->field);
299 20b7abb3 2020-10-22 stsp got_gitconfig_free_list(tags);
300 20b7abb3 2020-10-22 stsp return err;
304 aba9c984 2019-09-08 stsp main(int argc, char *argv[])
306 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
307 aba9c984 2019-09-08 stsp struct imsgbuf ibuf;
308 aba9c984 2019-09-08 stsp size_t datalen;
309 aba9c984 2019-09-08 stsp struct got_gitconfig *gitconfig = NULL;
311 aba9c984 2019-09-08 stsp static int attached;
313 aba9c984 2019-09-08 stsp while (!attached)
316 aba9c984 2019-09-08 stsp signal(SIGINT, catch_sigint);
318 aba9c984 2019-09-08 stsp imsg_init(&ibuf, GOT_IMSG_FD_CHILD);
320 aba9c984 2019-09-08 stsp #ifndef PROFILE
321 aba9c984 2019-09-08 stsp /* revoke access to most system calls */
322 aba9c984 2019-09-08 stsp if (pledge("stdio recvfd", NULL) == -1) {
323 aba9c984 2019-09-08 stsp err = got_error_from_errno("pledge");
324 aba9c984 2019-09-08 stsp got_privsep_send_error(&ibuf, err);
330 aba9c984 2019-09-08 stsp struct imsg imsg;
332 aba9c984 2019-09-08 stsp memset(&imsg, 0, sizeof(imsg));
333 aba9c984 2019-09-08 stsp imsg.fd = -1;
335 aba9c984 2019-09-08 stsp if (sigint_received) {
336 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_CANCELLED);
340 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
342 aba9c984 2019-09-08 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
343 aba9c984 2019-09-08 stsp err = NULL;
347 aba9c984 2019-09-08 stsp if (imsg.hdr.type == GOT_IMSG_STOP)
350 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
351 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_PARSE_REQUEST:
352 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
353 aba9c984 2019-09-08 stsp if (datalen != 0) {
354 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
357 aba9c984 2019-09-08 stsp if (imsg.fd == -1){
358 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_NO_FD);
362 aba9c984 2019-09-08 stsp if (gitconfig)
363 aba9c984 2019-09-08 stsp got_gitconfig_close(gitconfig);
364 aba9c984 2019-09-08 stsp err = got_gitconfig_open(&gitconfig, imsg.fd);
366 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST:
367 aba9c984 2019-09-08 stsp err = gitconfig_num_request(&ibuf, gitconfig, "core",
368 aba9c984 2019-09-08 stsp "repositoryformatversion", 0);
370 20b7abb3 2020-10-22 stsp case GOT_IMSG_GITCONFIG_REPOSITORY_EXTENSIONS_REQUEST:
371 20b7abb3 2020-10-22 stsp err = gitconfig_extensions_request(&ibuf, gitconfig);
373 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST:
374 aba9c984 2019-09-08 stsp err = gitconfig_str_request(&ibuf, gitconfig, "user",
377 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST:
378 aba9c984 2019-09-08 stsp err = gitconfig_str_request(&ibuf, gitconfig, "user",
381 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES_REQUEST:
382 cd95becd 2019-11-29 stsp err = gitconfig_remotes_request(&ibuf, gitconfig);
384 9a1cc63f 2020-02-03 stsp case GOT_IMSG_GITCONFIG_OWNER_REQUEST:
385 9a1cc63f 2020-02-03 stsp err = gitconfig_owner_request(&ibuf, gitconfig);
388 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
392 aba9c984 2019-09-08 stsp if (imsg.fd != -1) {
393 aba9c984 2019-09-08 stsp if (close(imsg.fd) == -1 && err == NULL)
394 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
397 aba9c984 2019-09-08 stsp imsg_free(&imsg);
402 aba9c984 2019-09-08 stsp imsg_clear(&ibuf);
404 aba9c984 2019-09-08 stsp if (!sigint_received && err->code != GOT_ERR_PRIVSEP_PIPE) {
405 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), err->msg);
406 aba9c984 2019-09-08 stsp got_privsep_send_error(&ibuf, err);
409 08578a35 2021-01-22 stsp if (close(GOT_IMSG_FD_CHILD) == -1 && err == NULL)
410 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
411 aba9c984 2019-09-08 stsp return err ? 1 : 0;