2 ba97b2d7 2024-03-20 stsp * Copyright (c) 2024 Stefan Sperling <stsp@openbsd.org>
4 ba97b2d7 2024-03-20 stsp * Permission to use, copy, modify, and distribute this software for any
5 ba97b2d7 2024-03-20 stsp * purpose with or without fee is hereby granted, provided that the above
6 ba97b2d7 2024-03-20 stsp * copyright notice and this permission notice appear in all copies.
8 ba97b2d7 2024-03-20 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 ba97b2d7 2024-03-20 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 ba97b2d7 2024-03-20 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 ba97b2d7 2024-03-20 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 ba97b2d7 2024-03-20 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 ba97b2d7 2024-03-20 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 ba97b2d7 2024-03-20 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 ba97b2d7 2024-03-20 stsp #include <sys/types.h>
18 ba97b2d7 2024-03-20 stsp #include <sys/queue.h>
19 ba97b2d7 2024-03-20 stsp #include <sys/tree.h>
20 ba97b2d7 2024-03-20 stsp #include <sys/socket.h>
21 ba97b2d7 2024-03-20 stsp #include <sys/wait.h>
23 ba97b2d7 2024-03-20 stsp #include <errno.h>
24 ba97b2d7 2024-03-20 stsp #include <event.h>
25 ba97b2d7 2024-03-20 stsp #include <siphash.h>
26 ba97b2d7 2024-03-20 stsp #include <limits.h>
27 ba97b2d7 2024-03-20 stsp #include <sha1.h>
28 ba97b2d7 2024-03-20 stsp #include <sha2.h>
29 ba97b2d7 2024-03-20 stsp #include <signal.h>
30 ba97b2d7 2024-03-20 stsp #include <stdio.h>
31 ba97b2d7 2024-03-20 stsp #include <stdlib.h>
32 ba97b2d7 2024-03-20 stsp #include <string.h>
33 ba97b2d7 2024-03-20 stsp #include <imsg.h>
34 ba97b2d7 2024-03-20 stsp #include <unistd.h>
36 ba97b2d7 2024-03-20 stsp #include "got_error.h"
37 ba97b2d7 2024-03-20 stsp #include "got_path.h"
39 ba97b2d7 2024-03-20 stsp #include "gotd.h"
40 ba97b2d7 2024-03-20 stsp #include "log.h"
41 ba97b2d7 2024-03-20 stsp #include "notify.h"
43 ba97b2d7 2024-03-20 stsp #ifndef nitems
44 ba97b2d7 2024-03-20 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
47 ba97b2d7 2024-03-20 stsp static struct gotd_notify {
49 ba97b2d7 2024-03-20 stsp const char *title;
50 ba97b2d7 2024-03-20 stsp struct gotd_imsgev parent_iev;
51 ba97b2d7 2024-03-20 stsp struct gotd_repolist *repos;
52 ba97b2d7 2024-03-20 stsp const char *default_sender;
53 ba97b2d7 2024-03-20 stsp } gotd_notify;
55 ba97b2d7 2024-03-20 stsp struct gotd_notify_session {
56 ba97b2d7 2024-03-20 stsp STAILQ_ENTRY(gotd_notify_session) entry;
57 ba97b2d7 2024-03-20 stsp uint32_t id;
58 ba97b2d7 2024-03-20 stsp struct gotd_imsgev iev;
60 ba97b2d7 2024-03-20 stsp STAILQ_HEAD(gotd_notify_sessions, gotd_notify_session);
62 ba97b2d7 2024-03-20 stsp static struct gotd_notify_sessions gotd_notify_sessions[GOTD_CLIENT_TABLE_SIZE];
63 ba97b2d7 2024-03-20 stsp static SIPHASH_KEY sessions_hash_key;
65 ba97b2d7 2024-03-20 stsp static void gotd_notify_shutdown(void);
67 ba97b2d7 2024-03-20 stsp static uint64_t
68 ba97b2d7 2024-03-20 stsp session_hash(uint32_t session_id)
70 ba97b2d7 2024-03-20 stsp return SipHash24(&sessions_hash_key, &session_id, sizeof(session_id));
74 ba97b2d7 2024-03-20 stsp add_session(struct gotd_notify_session *session)
76 ba97b2d7 2024-03-20 stsp uint64_t slot;
78 ba97b2d7 2024-03-20 stsp slot = session_hash(session->id) % nitems(gotd_notify_sessions);
79 ba97b2d7 2024-03-20 stsp STAILQ_INSERT_HEAD(&gotd_notify_sessions[slot], session, entry);
82 ba97b2d7 2024-03-20 stsp static struct gotd_notify_session *
83 ba97b2d7 2024-03-20 stsp find_session(uint32_t session_id)
85 ba97b2d7 2024-03-20 stsp uint64_t slot;
86 ba97b2d7 2024-03-20 stsp struct gotd_notify_session *s;
88 ba97b2d7 2024-03-20 stsp slot = session_hash(session_id) % nitems(gotd_notify_sessions);
89 ba97b2d7 2024-03-20 stsp STAILQ_FOREACH(s, &gotd_notify_sessions[slot], entry) {
90 ba97b2d7 2024-03-20 stsp if (s->id == session_id)
94 ba97b2d7 2024-03-20 stsp return NULL;
97 ba97b2d7 2024-03-20 stsp static struct gotd_notify_session *
98 ba97b2d7 2024-03-20 stsp find_session_by_fd(int fd)
100 ba97b2d7 2024-03-20 stsp uint64_t slot;
101 ba97b2d7 2024-03-20 stsp struct gotd_notify_session *s;
103 ba97b2d7 2024-03-20 stsp for (slot = 0; slot < nitems(gotd_notify_sessions); slot++) {
104 ba97b2d7 2024-03-20 stsp STAILQ_FOREACH(s, &gotd_notify_sessions[slot], entry) {
105 ba97b2d7 2024-03-20 stsp if (s->iev.ibuf.fd == fd)
110 ba97b2d7 2024-03-20 stsp return NULL;
113 ba97b2d7 2024-03-20 stsp static void
114 ba97b2d7 2024-03-20 stsp remove_session(struct gotd_notify_session *session)
116 ba97b2d7 2024-03-20 stsp uint64_t slot;
118 ba97b2d7 2024-03-20 stsp slot = session_hash(session->id) % nitems(gotd_notify_sessions);
119 ba97b2d7 2024-03-20 stsp STAILQ_REMOVE(&gotd_notify_sessions[slot], session,
120 ba97b2d7 2024-03-20 stsp gotd_notify_session, entry);
121 93b39c2f 2024-04-26 stsp close(session->iev.ibuf.fd);
122 ba97b2d7 2024-03-20 stsp free(session);
125 ba97b2d7 2024-03-20 stsp static uint32_t
126 ba97b2d7 2024-03-20 stsp get_session_id(void)
128 ba97b2d7 2024-03-20 stsp int duplicate = 0;
129 ba97b2d7 2024-03-20 stsp uint32_t id;
132 ba97b2d7 2024-03-20 stsp id = arc4random();
133 ba97b2d7 2024-03-20 stsp duplicate = (find_session(id) != NULL);
134 ba97b2d7 2024-03-20 stsp } while (duplicate || id == 0);
139 ba97b2d7 2024-03-20 stsp static void
140 ba97b2d7 2024-03-20 stsp gotd_notify_sighdlr(int sig, short event, void *arg)
143 ba97b2d7 2024-03-20 stsp * Normal signal handler rules don't apply because libevent
144 ba97b2d7 2024-03-20 stsp * decouples for us.
147 ba97b2d7 2024-03-20 stsp switch (sig) {
148 ba97b2d7 2024-03-20 stsp case SIGHUP:
149 ba97b2d7 2024-03-20 stsp log_info("%s: ignoring SIGHUP", __func__);
151 ba97b2d7 2024-03-20 stsp case SIGUSR1:
152 ba97b2d7 2024-03-20 stsp log_info("%s: ignoring SIGUSR1", __func__);
154 ba97b2d7 2024-03-20 stsp case SIGTERM:
155 ba97b2d7 2024-03-20 stsp case SIGINT:
156 ba97b2d7 2024-03-20 stsp gotd_notify_shutdown();
157 ba97b2d7 2024-03-20 stsp /* NOTREACHED */
160 ba97b2d7 2024-03-20 stsp fatalx("unexpected signal");
164 ba97b2d7 2024-03-20 stsp static void
165 050c0b8c 2024-04-16 op run_notification_helper(const char *prog, const char **argv, int fd,
166 050c0b8c 2024-04-16 op const char *user, const char *pass)
168 ba97b2d7 2024-03-20 stsp const struct got_error *err = NULL;
170 ba97b2d7 2024-03-20 stsp int child_status;
172 ba97b2d7 2024-03-20 stsp pid = fork();
173 ba97b2d7 2024-03-20 stsp if (pid == -1) {
174 ba97b2d7 2024-03-20 stsp err = got_error_from_errno("fork");
175 ba97b2d7 2024-03-20 stsp log_warn("%s", err->msg);
177 ba97b2d7 2024-03-20 stsp } else if (pid == 0) {
178 ba97b2d7 2024-03-20 stsp signal(SIGQUIT, SIG_DFL);
179 ba97b2d7 2024-03-20 stsp signal(SIGINT, SIG_DFL);
180 ba97b2d7 2024-03-20 stsp signal(SIGCHLD, SIG_DFL);
182 ba97b2d7 2024-03-20 stsp if (dup2(fd, STDIN_FILENO) == -1) {
183 ba97b2d7 2024-03-20 stsp fprintf(stderr, "%s: dup2: %s\n", getprogname(),
184 ba97b2d7 2024-03-20 stsp strerror(errno));
188 ba97b2d7 2024-03-20 stsp closefrom(STDERR_FILENO + 1);
190 050c0b8c 2024-04-16 op if (user != NULL && pass != NULL) {
191 050c0b8c 2024-04-16 op setenv("GOT_NOTIFY_HTTP_USER", user, 1);
192 050c0b8c 2024-04-16 op setenv("GOT_NOTIFY_HTTP_PASS", pass, 1);
195 ba97b2d7 2024-03-20 stsp if (execv(prog, (char *const *)argv) == -1) {
196 ba97b2d7 2024-03-20 stsp fprintf(stderr, "%s: exec %s: %s\n", getprogname(),
197 ba97b2d7 2024-03-20 stsp prog, strerror(errno));
201 ba97b2d7 2024-03-20 stsp /* not reached */
204 ba97b2d7 2024-03-20 stsp if (waitpid(pid, &child_status, 0) == -1) {
205 ba97b2d7 2024-03-20 stsp err = got_error_from_errno("waitpid");
209 ba97b2d7 2024-03-20 stsp if (!WIFEXITED(child_status)) {
210 ba97b2d7 2024-03-20 stsp err = got_error(GOT_ERR_PRIVSEP_DIED);
214 ba97b2d7 2024-03-20 stsp if (WEXITSTATUS(child_status) != 0)
215 ba97b2d7 2024-03-20 stsp err = got_error(GOT_ERR_PRIVSEP_EXIT);
218 ba97b2d7 2024-03-20 stsp log_warnx("%s: child %s pid %d: %s", gotd_notify.title,
219 ba97b2d7 2024-03-20 stsp prog, pid, err->msg);
222 ba97b2d7 2024-03-20 stsp static void
223 ba97b2d7 2024-03-20 stsp notify_email(struct gotd_notification_target *target, const char *subject_line,
226 ba97b2d7 2024-03-20 stsp const char *argv[13];
229 ba97b2d7 2024-03-20 stsp argv[i++] = GOTD_PATH_PROG_NOTIFY_EMAIL;
231 ba97b2d7 2024-03-20 stsp argv[i++] = "-f";
232 ba97b2d7 2024-03-20 stsp if (target->conf.email.sender)
233 ba97b2d7 2024-03-20 stsp argv[i++] = target->conf.email.sender;
235 ba97b2d7 2024-03-20 stsp argv[i++] = gotd_notify.default_sender;
237 ba97b2d7 2024-03-20 stsp if (target->conf.email.responder) {
238 ba97b2d7 2024-03-20 stsp argv[i++] = "-r";
239 ba97b2d7 2024-03-20 stsp argv[i++] = target->conf.email.responder;
242 ba97b2d7 2024-03-20 stsp if (target->conf.email.hostname) {
243 ba97b2d7 2024-03-20 stsp argv[i++] = "-h";
244 ba97b2d7 2024-03-20 stsp argv[i++] = target->conf.email.hostname;
247 ba97b2d7 2024-03-20 stsp if (target->conf.email.port) {
248 ba97b2d7 2024-03-20 stsp argv[i++] = "-p";
249 ba97b2d7 2024-03-20 stsp argv[i++] = target->conf.email.port;
252 ba97b2d7 2024-03-20 stsp argv[i++] = "-s";
253 ba97b2d7 2024-03-20 stsp argv[i++] = subject_line;
255 ba97b2d7 2024-03-20 stsp argv[i++] = target->conf.email.recipient;
257 ba97b2d7 2024-03-20 stsp argv[i] = NULL;
259 050c0b8c 2024-04-16 op run_notification_helper(GOTD_PATH_PROG_NOTIFY_EMAIL, argv, fd,
263 ba97b2d7 2024-03-20 stsp static void
264 d36998ae 2024-04-29 stsp notify_http(struct gotd_notification_target *target, const char *repo,
265 d36998ae 2024-04-29 stsp const char *username, int fd)
267 d36998ae 2024-04-29 stsp const char *argv[12];
268 5565365c 2024-03-27 op int argc = 0;
270 5565365c 2024-03-27 op argv[argc++] = GOTD_PATH_PROG_NOTIFY_HTTP;
271 5565365c 2024-03-27 op if (target->conf.http.tls)
272 5565365c 2024-03-27 op argv[argc++] = "-c";
274 c1003102 2024-04-15 op argv[argc++] = "-r";
275 c1003102 2024-04-15 op argv[argc++] = repo;
276 5565365c 2024-03-27 op argv[argc++] = "-h";
277 5565365c 2024-03-27 op argv[argc++] = target->conf.http.hostname;
278 5565365c 2024-03-27 op argv[argc++] = "-p";
279 5565365c 2024-03-27 op argv[argc++] = target->conf.http.port;
280 d36998ae 2024-04-29 stsp argv[argc++] = "-u";
281 d36998ae 2024-04-29 stsp argv[argc++] = username;
283 5565365c 2024-03-27 op argv[argc++] = target->conf.http.path;
285 5565365c 2024-03-27 op argv[argc] = NULL;
287 050c0b8c 2024-04-16 op run_notification_helper(GOTD_PATH_PROG_NOTIFY_HTTP, argv, fd,
288 050c0b8c 2024-04-16 op target->conf.http.user, target->conf.http.password);
291 ba97b2d7 2024-03-20 stsp static const struct got_error *
292 ba97b2d7 2024-03-20 stsp send_notification(struct imsg *imsg, struct gotd_imsgev *iev)
294 ba97b2d7 2024-03-20 stsp const struct got_error *err = NULL;
295 ba97b2d7 2024-03-20 stsp struct gotd_imsg_notify inotify;
296 ba97b2d7 2024-03-20 stsp size_t datalen;
297 ba97b2d7 2024-03-20 stsp struct gotd_repo *repo;
298 ba97b2d7 2024-03-20 stsp struct gotd_notification_target *target;
300 d36998ae 2024-04-29 stsp char *username = NULL;
302 ba97b2d7 2024-03-20 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
303 d36998ae 2024-04-29 stsp if (datalen < sizeof(inotify))
304 ba97b2d7 2024-03-20 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
306 d36998ae 2024-04-29 stsp memcpy(&inotify, imsg->data, sizeof(inotify));
307 d36998ae 2024-04-29 stsp if (datalen != sizeof(inotify) + inotify.username_len)
308 d36998ae 2024-04-29 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
310 ba97b2d7 2024-03-20 stsp repo = gotd_find_repo_by_name(inotify.repo_name, gotd_notify.repos);
311 ba97b2d7 2024-03-20 stsp if (repo == NULL)
312 ba97b2d7 2024-03-20 stsp return got_error(GOT_ERR_PRIVSEP_MSG);
314 ba97b2d7 2024-03-20 stsp fd = imsg_get_fd(imsg);
315 ba97b2d7 2024-03-20 stsp if (fd == -1)
316 ba97b2d7 2024-03-20 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
318 d36998ae 2024-04-29 stsp username = strndup(imsg->data + sizeof(inotify), inotify.username_len);
319 d36998ae 2024-04-29 stsp if (username == NULL)
320 d36998ae 2024-04-29 stsp return got_error_from_errno("strndup");
322 ba97b2d7 2024-03-20 stsp STAILQ_FOREACH(target, &repo->notification_targets, entry) {
323 eec62706 2024-05-10 stsp if (lseek(fd, 0, SEEK_SET) == -1) {
324 eec62706 2024-05-10 stsp err = got_error_from_errno("lseek");
327 ba97b2d7 2024-03-20 stsp switch (target->type) {
328 ba97b2d7 2024-03-20 stsp case GOTD_NOTIFICATION_VIA_EMAIL:
329 ba97b2d7 2024-03-20 stsp notify_email(target, inotify.subject_line, fd);
331 ba97b2d7 2024-03-20 stsp case GOTD_NOTIFICATION_VIA_HTTP:
332 d36998ae 2024-04-29 stsp notify_http(target, repo->name, username, fd);
337 ba97b2d7 2024-03-20 stsp if (gotd_imsg_compose_event(iev, GOTD_IMSG_NOTIFICATION_SENT,
338 ba97b2d7 2024-03-20 stsp PROC_NOTIFY, -1, NULL, 0) == -1) {
339 ba97b2d7 2024-03-20 stsp err = got_error_from_errno("imsg compose NOTIFY");
344 d36998ae 2024-04-29 stsp free(username);
345 ba97b2d7 2024-03-20 stsp return err;
348 ba97b2d7 2024-03-20 stsp static void
349 ba97b2d7 2024-03-20 stsp notify_dispatch_session(int fd, short event, void *arg)
351 ba97b2d7 2024-03-20 stsp struct gotd_imsgev *iev = arg;
352 ba97b2d7 2024-03-20 stsp struct imsgbuf *ibuf = &iev->ibuf;
354 ba97b2d7 2024-03-20 stsp int shut = 0;
355 ba97b2d7 2024-03-20 stsp struct imsg imsg;
357 ba97b2d7 2024-03-20 stsp if (event & EV_READ) {
358 ba97b2d7 2024-03-20 stsp if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
359 ba97b2d7 2024-03-20 stsp fatal("imsg_read error");
360 ba97b2d7 2024-03-20 stsp if (n == 0) {
361 ba97b2d7 2024-03-20 stsp /* Connection closed. */
367 ba97b2d7 2024-03-20 stsp if (event & EV_WRITE) {
368 ba97b2d7 2024-03-20 stsp n = msgbuf_write(&ibuf->w);
369 1bd35332 2024-04-26 stsp if (n == -1 && errno != EAGAIN && errno != EPIPE)
370 ba97b2d7 2024-03-20 stsp fatal("msgbuf_write");
371 1bd35332 2024-04-26 stsp if (n == 0 || (n == -1 && errno == EPIPE)) {
372 ba97b2d7 2024-03-20 stsp /* Connection closed. */
379 ba97b2d7 2024-03-20 stsp const struct got_error *err = NULL;
381 ba97b2d7 2024-03-20 stsp if ((n = imsg_get(ibuf, &imsg)) == -1)
382 ba97b2d7 2024-03-20 stsp fatal("%s: imsg_get error", __func__);
383 ba97b2d7 2024-03-20 stsp if (n == 0) /* No more messages. */
386 ba97b2d7 2024-03-20 stsp switch (imsg.hdr.type) {
387 ba97b2d7 2024-03-20 stsp case GOTD_IMSG_NOTIFY:
388 ba97b2d7 2024-03-20 stsp err = send_notification(&imsg, iev);
391 ba97b2d7 2024-03-20 stsp log_debug("unexpected imsg %d", imsg.hdr.type);
394 ba97b2d7 2024-03-20 stsp imsg_free(&imsg);
397 ba97b2d7 2024-03-20 stsp log_warnx("%s: %s", __func__, err->msg);
400 ba97b2d7 2024-03-20 stsp if (!shut) {
401 ba97b2d7 2024-03-20 stsp gotd_imsg_event_add(iev);
403 ba97b2d7 2024-03-20 stsp struct gotd_notify_session *session;
405 ba97b2d7 2024-03-20 stsp /* This pipe is dead. Remove its event handler */
406 ba97b2d7 2024-03-20 stsp event_del(&iev->ev);
407 ba97b2d7 2024-03-20 stsp imsg_clear(&iev->ibuf);
409 ba97b2d7 2024-03-20 stsp session = find_session_by_fd(fd);
410 ba97b2d7 2024-03-20 stsp if (session)
411 ba97b2d7 2024-03-20 stsp remove_session(session);
415 ba97b2d7 2024-03-20 stsp static const struct got_error *
416 ba97b2d7 2024-03-20 stsp recv_session(struct imsg *imsg)
418 ba97b2d7 2024-03-20 stsp struct gotd_notify_session *session;
419 ba97b2d7 2024-03-20 stsp size_t datalen;
422 ba97b2d7 2024-03-20 stsp datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
423 ba97b2d7 2024-03-20 stsp if (datalen != 0)
424 ba97b2d7 2024-03-20 stsp return got_error(GOT_ERR_PRIVSEP_LEN);
426 ba97b2d7 2024-03-20 stsp fd = imsg_get_fd(imsg);
427 ba97b2d7 2024-03-20 stsp if (fd == -1)
428 ba97b2d7 2024-03-20 stsp return got_error(GOT_ERR_PRIVSEP_NO_FD);
430 ba97b2d7 2024-03-20 stsp session = calloc(1, sizeof(*session));
431 ba97b2d7 2024-03-20 stsp if (session == NULL)
432 ba97b2d7 2024-03-20 stsp return got_error_from_errno("calloc");
434 ba97b2d7 2024-03-20 stsp session->id = get_session_id();
435 ba97b2d7 2024-03-20 stsp imsg_init(&session->iev.ibuf, fd);
436 ba97b2d7 2024-03-20 stsp session->iev.handler = notify_dispatch_session;
437 ba97b2d7 2024-03-20 stsp session->iev.events = EV_READ;
438 ba97b2d7 2024-03-20 stsp session->iev.handler_arg = NULL;
439 ba97b2d7 2024-03-20 stsp event_set(&session->iev.ev, session->iev.ibuf.fd, EV_READ,
440 ba97b2d7 2024-03-20 stsp notify_dispatch_session, &session->iev);
441 ba97b2d7 2024-03-20 stsp gotd_imsg_event_add(&session->iev);
442 ba97b2d7 2024-03-20 stsp add_session(session);
444 ba97b2d7 2024-03-20 stsp return NULL;
447 ba97b2d7 2024-03-20 stsp static void
448 ba97b2d7 2024-03-20 stsp notify_dispatch(int fd, short event, void *arg)
450 ba97b2d7 2024-03-20 stsp struct gotd_imsgev *iev = arg;
451 ba97b2d7 2024-03-20 stsp struct imsgbuf *ibuf = &iev->ibuf;
453 ba97b2d7 2024-03-20 stsp int shut = 0;
454 ba97b2d7 2024-03-20 stsp struct imsg imsg;
456 ba97b2d7 2024-03-20 stsp if (event & EV_READ) {
457 ba97b2d7 2024-03-20 stsp if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
458 ba97b2d7 2024-03-20 stsp fatal("imsg_read error");
459 ba97b2d7 2024-03-20 stsp if (n == 0) {
460 ba97b2d7 2024-03-20 stsp /* Connection closed. */
466 ba97b2d7 2024-03-20 stsp if (event & EV_WRITE) {
467 ba97b2d7 2024-03-20 stsp n = msgbuf_write(&ibuf->w);
468 9a8d7489 2024-04-26 stsp if (n == -1 && errno != EAGAIN)
469 ba97b2d7 2024-03-20 stsp fatal("msgbuf_write");
470 9a8d7489 2024-04-26 stsp if (n == 0) {
471 ba97b2d7 2024-03-20 stsp /* Connection closed. */
478 ba97b2d7 2024-03-20 stsp const struct got_error *err = NULL;
480 ba97b2d7 2024-03-20 stsp if ((n = imsg_get(ibuf, &imsg)) == -1)
481 ba97b2d7 2024-03-20 stsp fatal("%s: imsg_get error", __func__);
482 ba97b2d7 2024-03-20 stsp if (n == 0) /* No more messages. */
485 ba97b2d7 2024-03-20 stsp switch (imsg.hdr.type) {
486 ba97b2d7 2024-03-20 stsp case GOTD_IMSG_CONNECT_SESSION:
487 ba97b2d7 2024-03-20 stsp err = recv_session(&imsg);
490 ba97b2d7 2024-03-20 stsp log_debug("unexpected imsg %d", imsg.hdr.type);
493 ba97b2d7 2024-03-20 stsp imsg_free(&imsg);
496 ba97b2d7 2024-03-20 stsp log_warnx("%s: %s", __func__, err->msg);
499 ba97b2d7 2024-03-20 stsp if (!shut) {
500 ba97b2d7 2024-03-20 stsp gotd_imsg_event_add(iev);
502 ba97b2d7 2024-03-20 stsp /* This pipe is dead. Remove its event handler */
503 ba97b2d7 2024-03-20 stsp event_del(&iev->ev);
504 ba97b2d7 2024-03-20 stsp event_loopexit(NULL);
510 ba97b2d7 2024-03-20 stsp notify_main(const char *title, struct gotd_repolist *repos,
511 ba97b2d7 2024-03-20 stsp const char *default_sender)
513 ba97b2d7 2024-03-20 stsp const struct got_error *err = NULL;
514 ba97b2d7 2024-03-20 stsp struct event evsigint, evsigterm, evsighup, evsigusr1;
516 ba97b2d7 2024-03-20 stsp arc4random_buf(&sessions_hash_key, sizeof(sessions_hash_key));
518 ba97b2d7 2024-03-20 stsp gotd_notify.title = title;
519 ba97b2d7 2024-03-20 stsp gotd_notify.repos = repos;
520 ba97b2d7 2024-03-20 stsp gotd_notify.default_sender = default_sender;
521 ba97b2d7 2024-03-20 stsp gotd_notify.pid = getpid();
523 ba97b2d7 2024-03-20 stsp signal_set(&evsigint, SIGINT, gotd_notify_sighdlr, NULL);
524 ba97b2d7 2024-03-20 stsp signal_set(&evsigterm, SIGTERM, gotd_notify_sighdlr, NULL);
525 ba97b2d7 2024-03-20 stsp signal_set(&evsighup, SIGHUP, gotd_notify_sighdlr, NULL);
526 ba97b2d7 2024-03-20 stsp signal_set(&evsigusr1, SIGUSR1, gotd_notify_sighdlr, NULL);
527 ba97b2d7 2024-03-20 stsp signal(SIGPIPE, SIG_IGN);
529 ba97b2d7 2024-03-20 stsp signal_add(&evsigint, NULL);
530 ba97b2d7 2024-03-20 stsp signal_add(&evsigterm, NULL);
531 ba97b2d7 2024-03-20 stsp signal_add(&evsighup, NULL);
532 ba97b2d7 2024-03-20 stsp signal_add(&evsigusr1, NULL);
534 ba97b2d7 2024-03-20 stsp imsg_init(&gotd_notify.parent_iev.ibuf, GOTD_FILENO_MSG_PIPE);
535 ba97b2d7 2024-03-20 stsp gotd_notify.parent_iev.handler = notify_dispatch;
536 ba97b2d7 2024-03-20 stsp gotd_notify.parent_iev.events = EV_READ;
537 ba97b2d7 2024-03-20 stsp gotd_notify.parent_iev.handler_arg = NULL;
538 ba97b2d7 2024-03-20 stsp event_set(&gotd_notify.parent_iev.ev, gotd_notify.parent_iev.ibuf.fd,
539 ba97b2d7 2024-03-20 stsp EV_READ, notify_dispatch, &gotd_notify.parent_iev);
540 ba97b2d7 2024-03-20 stsp gotd_imsg_event_add(&gotd_notify.parent_iev);
542 ba97b2d7 2024-03-20 stsp event_dispatch();
545 ba97b2d7 2024-03-20 stsp log_warnx("%s: %s", title, err->msg);
546 ba97b2d7 2024-03-20 stsp gotd_notify_shutdown();
550 ba97b2d7 2024-03-20 stsp gotd_notify_shutdown(void)
552 e8d451cc 2024-03-22 stsp log_debug("%s: shutting down", gotd_notify.title);