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>
21 aba9c984 2019-09-08 stsp #include <sys/syslimits.h>
23 aba9c984 2019-09-08 stsp #include <stdint.h>
24 aba9c984 2019-09-08 stsp #include <imsg.h>
25 aba9c984 2019-09-08 stsp #include <limits.h>
26 aba9c984 2019-09-08 stsp #include <signal.h>
27 aba9c984 2019-09-08 stsp #include <stdio.h>
28 aba9c984 2019-09-08 stsp #include <stdlib.h>
29 aba9c984 2019-09-08 stsp #include <string.h>
30 aba9c984 2019-09-08 stsp #include <sha1.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 e70bf110 2020-03-22 stsp size_t len = value ? strlen(value) + 1 : 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 e70bf110 2020-03-22 stsp static const struct got_error *
164 cd95becd 2019-11-29 stsp gitconfig_remotes_request(struct imsgbuf *ibuf, struct got_gitconfig *gitconfig)
166 cd95becd 2019-11-29 stsp const struct got_error *err = NULL;
167 cd95becd 2019-11-29 stsp struct got_gitconfig_list *sections;
168 cd95becd 2019-11-29 stsp struct got_gitconfig_list_node *node;
169 cd95becd 2019-11-29 stsp struct got_remote_repo *remotes = NULL;
170 cd95becd 2019-11-29 stsp int nremotes = 0, i;
172 cd95becd 2019-11-29 stsp if (gitconfig == NULL)
173 cd95becd 2019-11-29 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
175 cd95becd 2019-11-29 stsp err = got_gitconfig_get_section_list(§ions, gitconfig);
177 cd95becd 2019-11-29 stsp return err;
179 cd95becd 2019-11-29 stsp TAILQ_FOREACH(node, §ions->fields, link) {
180 cd95becd 2019-11-29 stsp if (strncasecmp("remote \"", node->field, 8) != 0)
182 cd95becd 2019-11-29 stsp nremotes++;
185 cd95becd 2019-11-29 stsp if (nremotes == 0) {
186 e70bf110 2020-03-22 stsp err = send_gitconfig_remotes(ibuf, NULL, 0);
190 cd95becd 2019-11-29 stsp remotes = recallocarray(NULL, 0, nremotes, sizeof(*remotes));
191 cd95becd 2019-11-29 stsp if (remotes == NULL) {
192 cd95becd 2019-11-29 stsp err = got_error_from_errno("recallocarray");
197 cd95becd 2019-11-29 stsp TAILQ_FOREACH(node, §ions->fields, link) {
198 469dd726 2020-03-20 stsp char *name, *end, *mirror;
200 cd95becd 2019-11-29 stsp if (strncasecmp("remote \"", node->field, 8) != 0)
203 cd95becd 2019-11-29 stsp name = strdup(node->field + 8);
204 cd95becd 2019-11-29 stsp if (name == NULL) {
205 cd95becd 2019-11-29 stsp err = got_error_from_errno("strdup");
208 cd95becd 2019-11-29 stsp end = strrchr(name, '"');
210 cd95becd 2019-11-29 stsp *end = '\0';
211 cd95becd 2019-11-29 stsp remotes[i].name = name;
213 cd95becd 2019-11-29 stsp remotes[i].url = got_gitconfig_get_str(gitconfig,
214 cd95becd 2019-11-29 stsp node->field, "url");
215 cd95becd 2019-11-29 stsp if (remotes[i].url == NULL) {
216 cd95becd 2019-11-29 stsp err = got_error(GOT_ERR_GITCONFIG_SYNTAX);
220 469dd726 2020-03-20 stsp remotes[i].mirror_references = 0;
221 469dd726 2020-03-20 stsp mirror = got_gitconfig_get_str(gitconfig, node->field,
223 469dd726 2020-03-20 stsp if (mirror != NULL &&
224 469dd726 2020-03-20 stsp (strcasecmp(mirror, "true") == 0 ||
225 469dd726 2020-03-20 stsp strcasecmp(mirror, "on") == 0 ||
226 469dd726 2020-03-20 stsp strcasecmp(mirror, "yes") == 0 ||
227 469dd726 2020-03-20 stsp strcmp(mirror, "1") == 0))
228 469dd726 2020-03-20 stsp remotes[i].mirror_references = 1;
233 e70bf110 2020-03-22 stsp err = send_gitconfig_remotes(ibuf, remotes, nremotes);
235 cd95becd 2019-11-29 stsp for (i = 0; i < nremotes; i++)
236 cd95becd 2019-11-29 stsp free(remotes[i].name);
237 cd95becd 2019-11-29 stsp free(remotes);
238 cd95becd 2019-11-29 stsp got_gitconfig_free_list(sections);
239 cd95becd 2019-11-29 stsp return err;
242 9a1cc63f 2020-02-03 stsp static const struct got_error *
243 9a1cc63f 2020-02-03 stsp gitconfig_owner_request(struct imsgbuf *ibuf, struct got_gitconfig *gitconfig)
245 9a1cc63f 2020-02-03 stsp char *value;
247 9a1cc63f 2020-02-03 stsp if (gitconfig == NULL)
248 9a1cc63f 2020-02-03 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
250 9a1cc63f 2020-02-03 stsp value = got_gitconfig_get_str(gitconfig, "gotweb", "owner");
252 e70bf110 2020-03-22 stsp return send_gitconfig_str(ibuf, value);
253 9a1cc63f 2020-02-03 stsp value = got_gitconfig_get_str(gitconfig, "gitweb", "owner");
254 e70bf110 2020-03-22 stsp return send_gitconfig_str(ibuf, value);
258 aba9c984 2019-09-08 stsp main(int argc, char *argv[])
260 aba9c984 2019-09-08 stsp const struct got_error *err = NULL;
261 aba9c984 2019-09-08 stsp struct imsgbuf ibuf;
262 aba9c984 2019-09-08 stsp size_t datalen;
263 aba9c984 2019-09-08 stsp struct got_gitconfig *gitconfig = NULL;
265 aba9c984 2019-09-08 stsp static int attached;
267 aba9c984 2019-09-08 stsp while (!attached)
270 aba9c984 2019-09-08 stsp signal(SIGINT, catch_sigint);
272 aba9c984 2019-09-08 stsp imsg_init(&ibuf, GOT_IMSG_FD_CHILD);
274 aba9c984 2019-09-08 stsp #ifndef PROFILE
275 aba9c984 2019-09-08 stsp /* revoke access to most system calls */
276 aba9c984 2019-09-08 stsp if (pledge("stdio recvfd", NULL) == -1) {
277 aba9c984 2019-09-08 stsp err = got_error_from_errno("pledge");
278 aba9c984 2019-09-08 stsp got_privsep_send_error(&ibuf, err);
284 aba9c984 2019-09-08 stsp struct imsg imsg;
286 aba9c984 2019-09-08 stsp memset(&imsg, 0, sizeof(imsg));
287 aba9c984 2019-09-08 stsp imsg.fd = -1;
289 aba9c984 2019-09-08 stsp if (sigint_received) {
290 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_CANCELLED);
294 aba9c984 2019-09-08 stsp err = got_privsep_recv_imsg(&imsg, &ibuf, 0);
296 aba9c984 2019-09-08 stsp if (err->code == GOT_ERR_PRIVSEP_PIPE)
297 aba9c984 2019-09-08 stsp err = NULL;
301 aba9c984 2019-09-08 stsp if (imsg.hdr.type == GOT_IMSG_STOP)
304 aba9c984 2019-09-08 stsp switch (imsg.hdr.type) {
305 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_PARSE_REQUEST:
306 aba9c984 2019-09-08 stsp datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
307 aba9c984 2019-09-08 stsp if (datalen != 0) {
308 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_LEN);
311 aba9c984 2019-09-08 stsp if (imsg.fd == -1){
312 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_NO_FD);
316 aba9c984 2019-09-08 stsp if (gitconfig)
317 aba9c984 2019-09-08 stsp got_gitconfig_close(gitconfig);
318 aba9c984 2019-09-08 stsp err = got_gitconfig_open(&gitconfig, imsg.fd);
320 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_REPOSITORY_FORMAT_VERSION_REQUEST:
321 aba9c984 2019-09-08 stsp err = gitconfig_num_request(&ibuf, gitconfig, "core",
322 aba9c984 2019-09-08 stsp "repositoryformatversion", 0);
324 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_AUTHOR_NAME_REQUEST:
325 aba9c984 2019-09-08 stsp err = gitconfig_str_request(&ibuf, gitconfig, "user",
328 aba9c984 2019-09-08 stsp case GOT_IMSG_GITCONFIG_AUTHOR_EMAIL_REQUEST:
329 aba9c984 2019-09-08 stsp err = gitconfig_str_request(&ibuf, gitconfig, "user",
332 cd95becd 2019-11-29 stsp case GOT_IMSG_GITCONFIG_REMOTES_REQUEST:
333 cd95becd 2019-11-29 stsp err = gitconfig_remotes_request(&ibuf, gitconfig);
335 9a1cc63f 2020-02-03 stsp case GOT_IMSG_GITCONFIG_OWNER_REQUEST:
336 9a1cc63f 2020-02-03 stsp err = gitconfig_owner_request(&ibuf, gitconfig);
339 aba9c984 2019-09-08 stsp err = got_error(GOT_ERR_PRIVSEP_MSG);
343 aba9c984 2019-09-08 stsp if (imsg.fd != -1) {
344 aba9c984 2019-09-08 stsp if (close(imsg.fd) == -1 && err == NULL)
345 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
348 aba9c984 2019-09-08 stsp imsg_free(&imsg);
353 aba9c984 2019-09-08 stsp imsg_clear(&ibuf);
355 aba9c984 2019-09-08 stsp if (!sigint_received && err->code != GOT_ERR_PRIVSEP_PIPE) {
356 aba9c984 2019-09-08 stsp fprintf(stderr, "%s: %s\n", getprogname(), err->msg);
357 aba9c984 2019-09-08 stsp got_privsep_send_error(&ibuf, err);
360 aba9c984 2019-09-08 stsp if (close(GOT_IMSG_FD_CHILD) != 0 && err == NULL)
361 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
362 aba9c984 2019-09-08 stsp return err ? 1 : 0;
