2 a596b957 2022-07-14 tracey * Copyright (c) 2020-2021 Tracey Emery <tracey@traceyemery.net>
3 a596b957 2022-07-14 tracey * Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org>
5 a596b957 2022-07-14 tracey * Permission to use, copy, modify, and distribute this software for any
6 a596b957 2022-07-14 tracey * purpose with or without fee is hereby granted, provided that the above
7 a596b957 2022-07-14 tracey * copyright notice and this permission notice appear in all copies.
9 a596b957 2022-07-14 tracey * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 a596b957 2022-07-14 tracey * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 a596b957 2022-07-14 tracey * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 a596b957 2022-07-14 tracey * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 a596b957 2022-07-14 tracey * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 a596b957 2022-07-14 tracey * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 a596b957 2022-07-14 tracey * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 a596b957 2022-07-14 tracey #include <sys/types.h>
19 a596b957 2022-07-14 tracey #include <sys/queue.h>
20 a596b957 2022-07-14 tracey #include <sys/time.h>
21 a596b957 2022-07-14 tracey #include <sys/uio.h>
22 a596b957 2022-07-14 tracey #include <sys/socket.h>
24 a596b957 2022-07-14 tracey #include <net/if.h>
25 a596b957 2022-07-14 tracey #include <netinet/in.h>
27 a596b957 2022-07-14 tracey #include <stdio.h>
28 a596b957 2022-07-14 tracey #include <stdlib.h>
29 a596b957 2022-07-14 tracey #include <termios.h>
30 a596b957 2022-07-14 tracey #include <unistd.h>
31 a596b957 2022-07-14 tracey #include <limits.h>
32 a596b957 2022-07-14 tracey #include <string.h>
33 a596b957 2022-07-14 tracey #include <event.h>
34 a596b957 2022-07-14 tracey #include <fcntl.h>
35 a596b957 2022-07-14 tracey #include <util.h>
36 a596b957 2022-07-14 tracey #include <errno.h>
37 a596b957 2022-07-14 tracey #include <imsg.h>
39 a596b957 2022-07-14 tracey #include "got_opentemp.h"
40 df2d3cd2 2023-03-11 op #include "got_reference.h"
42 a596b957 2022-07-14 tracey #include "gotwebd.h"
45 a596b957 2022-07-14 tracey config_init(struct gotwebd *env)
47 f4a5cef1 2023-06-15 op strlcpy(env->httpd_chroot, D_HTTPD_CHROOT, sizeof(env->httpd_chroot));
49 26678add 2023-11-16 op env->prefork_gotwebd = GOTWEBD_NUMPROC;
50 26678add 2023-11-16 op env->server_cnt = 0;
51 26678add 2023-11-16 op TAILQ_INIT(&env->servers);
52 26678add 2023-11-16 op TAILQ_INIT(&env->sockets);
58 a596b957 2022-07-14 tracey config_getcfg(struct gotwebd *env, struct imsg *imsg)
60 a596b957 2022-07-14 tracey /* nothing to do but tell gotwebd configuration is done */
61 26678add 2023-11-16 op if (sockets_compose_main(env, IMSG_CFG_DONE, NULL, 0) == -1)
62 26678add 2023-11-16 op fatal("sockets_compose_main IMSG_CFG_DONE");
67 a596b957 2022-07-14 tracey config_setserver(struct gotwebd *env, struct server *srv)
69 26678add 2023-11-16 op if (main_compose_sockets(env, IMSG_CFG_SRV, -1, srv, sizeof(*srv))
71 26678add 2023-11-16 op fatal("main_compose_sockets IMSG_CFG_SRV");
76 a596b957 2022-07-14 tracey config_getserver(struct gotwebd *env, struct imsg *imsg)
78 a596b957 2022-07-14 tracey struct server *srv;
79 a596b957 2022-07-14 tracey uint8_t *p = imsg->data;
81 a596b957 2022-07-14 tracey srv = calloc(1, sizeof(*srv));
82 a596b957 2022-07-14 tracey if (srv == NULL)
83 a596b957 2022-07-14 tracey fatalx("%s: calloc", __func__);
85 6e0942f6 2023-11-17 op if (IMSG_DATA_SIZE(imsg) != sizeof(*srv))
86 6e0942f6 2023-11-17 op fatalx("%s: wrong size", __func__);
88 7e0ec052 2022-09-06 op memcpy(srv, p, sizeof(*srv));
90 a596b957 2022-07-14 tracey /* log server info */
91 a596b957 2022-07-14 tracey log_debug("%s: server=%s fcgi_socket=%s unix_socket=%s", __func__,
92 a596b957 2022-07-14 tracey srv->name, srv->fcgi_socket ? "yes" : "no", srv->unix_socket ?
93 a596b957 2022-07-14 tracey "yes" : "no");
95 2ad48e9a 2022-08-16 stsp TAILQ_INSERT_TAIL(&env->servers, srv, entry);
101 a596b957 2022-07-14 tracey config_setsock(struct gotwebd *env, struct socket *sock)
103 a596b957 2022-07-14 tracey /* open listening sockets */
104 a596b957 2022-07-14 tracey if (sockets_privinit(env, sock) == -1)
105 a596b957 2022-07-14 tracey return -1;
107 26678add 2023-11-16 op if (main_compose_sockets(env, IMSG_CFG_SOCK, sock->fd,
108 26678add 2023-11-16 op &sock->conf, sizeof(sock->conf)) == -1)
109 26678add 2023-11-16 op fatal("main_compose_sockets IMSG_CFG_SOCK");
111 26678add 2023-11-16 op sock->fd = -1;
116 a596b957 2022-07-14 tracey config_getsock(struct gotwebd *env, struct imsg *imsg)
118 a596b957 2022-07-14 tracey struct socket *sock = NULL;
119 a596b957 2022-07-14 tracey struct socket_conf sock_conf;
120 a596b957 2022-07-14 tracey uint8_t *p = imsg->data;
123 6e0942f6 2023-11-17 op if (IMSG_DATA_SIZE(imsg) != sizeof(sock_conf))
124 6e0942f6 2023-11-17 op fatalx("%s: wrong size", __func__);
126 a596b957 2022-07-14 tracey memcpy(&sock_conf, p, sizeof(sock_conf));
128 a596b957 2022-07-14 tracey if (IMSG_DATA_SIZE(imsg) != sizeof(sock_conf)) {
129 a596b957 2022-07-14 tracey log_debug("%s: imsg size error", __func__);
130 a596b957 2022-07-14 tracey return 1;
133 a596b957 2022-07-14 tracey /* create a new socket */
134 a596b957 2022-07-14 tracey if ((sock = calloc(1, sizeof(*sock))) == NULL) {
135 a596b957 2022-07-14 tracey return 1;
138 a596b957 2022-07-14 tracey memcpy(&sock->conf, &sock_conf, sizeof(sock->conf));
139 2c52c623 2024-01-30 op sock->fd = imsg_get_fd(imsg);
141 2ad48e9a 2022-08-16 stsp TAILQ_INSERT_TAIL(&env->sockets, sock, entry);
143 a596b957 2022-07-14 tracey for (i = 0; i < PRIV_FDS__MAX; i++)
144 a596b957 2022-07-14 tracey sock->priv_fd[i] = -1;
146 0f91044a 2022-07-22 stsp for (i = 0; i < GOTWEB_PACK_NUM_TEMPFILES; i++)
147 a596b957 2022-07-14 tracey sock->pack_fds[i] = -1;
149 a596b957 2022-07-14 tracey /* log new socket info */
150 4fcc9f74 2022-08-16 stsp log_debug("%s: name=%s id=%d server=%s af_type=%s socket_path=%s",
151 a596b957 2022-07-14 tracey __func__, sock->conf.name, sock->conf.id, sock->conf.srv_name,
152 4fcc9f74 2022-08-16 stsp sock->conf.af_type == AF_UNIX ? "unix" :
153 4fcc9f74 2022-08-16 stsp (sock->conf.af_type == AF_INET ? "inet" :
154 4fcc9f74 2022-08-16 stsp (sock->conf.af_type == AF_INET6 ? "inet6" : "unknown")),
155 4448825a 2023-06-16 op *sock->conf.unix_socket_name != '\0' ?
156 a596b957 2022-07-14 tracey sock->conf.unix_socket_name : "none");
162 a596b957 2022-07-14 tracey config_setfd(struct gotwebd *env, struct socket *sock)
164 58cdb97c 2023-11-16 op int i, j, ret, fd;
166 a596b957 2022-07-14 tracey log_debug("%s: Allocating %d file descriptors",
167 0f91044a 2022-07-22 stsp __func__, PRIV_FDS__MAX + GOTWEB_PACK_NUM_TEMPFILES);
169 26678add 2023-11-16 op for (i = 0; i < PRIV_FDS__MAX + GOTWEB_PACK_NUM_TEMPFILES; i++) {
170 58cdb97c 2023-11-16 op for (j = 0; j < env->nserver; ++j) {
171 58cdb97c 2023-11-16 op fd = got_opentempfd();
172 58cdb97c 2023-11-16 op if (fd == -1)
173 58cdb97c 2023-11-16 op fatal("got_opentemp");
174 58cdb97c 2023-11-16 op if (imsg_compose_event(&env->iev_server[j],
175 58cdb97c 2023-11-16 op IMSG_CFG_FD, 0, -1, fd, &sock->conf.id,
176 58cdb97c 2023-11-16 op sizeof(sock->conf.id)) == -1)
177 58cdb97c 2023-11-16 op fatal("imsg_compose_event IMSG_CFG_FD");
180 58cdb97c 2023-11-16 op ret = imsg_flush(&env->iev_server[j].ibuf);
181 58cdb97c 2023-11-16 op } while (ret == -1 && errno == EAGAIN);
182 58cdb97c 2023-11-16 op if (ret == -1)
183 58cdb97c 2023-11-16 op fatal("imsg_flush");
184 58cdb97c 2023-11-16 op imsg_event_add(&env->iev_server[j]);
188 a596b957 2022-07-14 tracey return 0;
192 a596b957 2022-07-14 tracey config_getfd(struct gotwebd *env, struct imsg *imsg)
194 a596b957 2022-07-14 tracey struct socket *sock;
195 a596b957 2022-07-14 tracey uint8_t *p = imsg->data;
196 2c52c623 2024-01-30 op int sock_id, match = 0, i, j;
198 6e0942f6 2023-11-17 op if (IMSG_DATA_SIZE(imsg) != sizeof(sock_id))
199 6e0942f6 2023-11-17 op fatalx("%s: wrong size", __func__);
201 a596b957 2022-07-14 tracey memcpy(&sock_id, p, sizeof(sock_id));
203 2ad48e9a 2022-08-16 stsp TAILQ_FOREACH(sock, &env->sockets, entry) {
204 0f91044a 2022-07-22 stsp const int nfds = (GOTWEB_PACK_NUM_TEMPFILES + PRIV_FDS__MAX);
205 0f91044a 2022-07-22 stsp for (i = 0; i < nfds; i++) {
206 a596b957 2022-07-14 tracey if (i < PRIV_FDS__MAX && sock->priv_fd[i] == -1) {
207 2c52c623 2024-01-30 op sock->priv_fd[i] = imsg_get_fd(imsg);
208 a596b957 2022-07-14 tracey log_debug("%s: assigning socket %d priv_fd %d",
209 2c52c623 2024-01-30 op __func__, sock_id, sock->priv_fd[i]);
210 a596b957 2022-07-14 tracey match = 1;
214 2c52c623 2024-01-30 op j = i - PRIV_FDS__MAX;
215 2c52c623 2024-01-30 op if (sock->pack_fds[j] == -1) {
216 2c52c623 2024-01-30 op sock->pack_fds[j] = imsg_get_fd(imsg);
217 a596b957 2022-07-14 tracey log_debug("%s: assigning socket %d pack_fd %d",
218 2c52c623 2024-01-30 op __func__, sock_id, sock->pack_fds[j]);
219 a596b957 2022-07-14 tracey match = 1;
225 a596b957 2022-07-14 tracey if (match)
228 a596b957 2022-07-14 tracey return 1;