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"
43 1220d7ea 2024-05-21 op #include "log.h"
46 a596b957 2022-07-14 tracey config_init(struct gotwebd *env)
50 f4a5cef1 2023-06-15 op strlcpy(env->httpd_chroot, D_HTTPD_CHROOT, sizeof(env->httpd_chroot));
52 26678add 2023-11-16 op env->prefork_gotwebd = GOTWEBD_NUMPROC;
53 26678add 2023-11-16 op env->server_cnt = 0;
54 26678add 2023-11-16 op TAILQ_INIT(&env->servers);
55 26678add 2023-11-16 op TAILQ_INIT(&env->sockets);
56 36079424 2024-05-16 op TAILQ_INIT(&env->addresses);
58 2a83fef7 2024-05-27 op for (i = 0; i < PRIV_FDS__MAX; i++)
59 2a83fef7 2024-05-27 op env->priv_fd[i] = -1;
61 2a83fef7 2024-05-27 op for (i = 0; i < GOTWEB_PACK_NUM_TEMPFILES; i++)
62 2a83fef7 2024-05-27 op env->pack_fds[i] = -1;
68 a596b957 2022-07-14 tracey config_getcfg(struct gotwebd *env, struct imsg *imsg)
70 a596b957 2022-07-14 tracey /* nothing to do but tell gotwebd configuration is done */
71 26678add 2023-11-16 op if (sockets_compose_main(env, IMSG_CFG_DONE, NULL, 0) == -1)
72 26678add 2023-11-16 op fatal("sockets_compose_main IMSG_CFG_DONE");
77 a596b957 2022-07-14 tracey config_setserver(struct gotwebd *env, struct server *srv)
79 26678add 2023-11-16 op if (main_compose_sockets(env, IMSG_CFG_SRV, -1, srv, sizeof(*srv))
81 26678add 2023-11-16 op fatal("main_compose_sockets IMSG_CFG_SRV");
86 a596b957 2022-07-14 tracey config_getserver(struct gotwebd *env, struct imsg *imsg)
88 a596b957 2022-07-14 tracey struct server *srv;
89 a596b957 2022-07-14 tracey uint8_t *p = imsg->data;
91 a596b957 2022-07-14 tracey srv = calloc(1, sizeof(*srv));
92 a596b957 2022-07-14 tracey if (srv == NULL)
93 a596b957 2022-07-14 tracey fatalx("%s: calloc", __func__);
95 6e0942f6 2023-11-17 op if (IMSG_DATA_SIZE(imsg) != sizeof(*srv))
96 6e0942f6 2023-11-17 op fatalx("%s: wrong size", __func__);
98 7e0ec052 2022-09-06 op memcpy(srv, p, sizeof(*srv));
100 a596b957 2022-07-14 tracey /* log server info */
101 36079424 2024-05-16 op log_debug("%s: server=%s", __func__, srv->name);
103 2ad48e9a 2022-08-16 stsp TAILQ_INSERT_TAIL(&env->servers, srv, entry);
109 a596b957 2022-07-14 tracey config_setsock(struct gotwebd *env, struct socket *sock)
111 a596b957 2022-07-14 tracey /* open listening sockets */
112 a596b957 2022-07-14 tracey if (sockets_privinit(env, sock) == -1)
113 a596b957 2022-07-14 tracey return -1;
115 26678add 2023-11-16 op if (main_compose_sockets(env, IMSG_CFG_SOCK, sock->fd,
116 26678add 2023-11-16 op &sock->conf, sizeof(sock->conf)) == -1)
117 26678add 2023-11-16 op fatal("main_compose_sockets IMSG_CFG_SOCK");
119 26678add 2023-11-16 op sock->fd = -1;
124 a596b957 2022-07-14 tracey config_getsock(struct gotwebd *env, struct imsg *imsg)
126 a596b957 2022-07-14 tracey struct socket *sock = NULL;
127 a596b957 2022-07-14 tracey struct socket_conf sock_conf;
128 a596b957 2022-07-14 tracey uint8_t *p = imsg->data;
130 6e0942f6 2023-11-17 op if (IMSG_DATA_SIZE(imsg) != sizeof(sock_conf))
131 6e0942f6 2023-11-17 op fatalx("%s: wrong size", __func__);
133 a596b957 2022-07-14 tracey memcpy(&sock_conf, p, sizeof(sock_conf));
135 a596b957 2022-07-14 tracey if (IMSG_DATA_SIZE(imsg) != sizeof(sock_conf)) {
136 a596b957 2022-07-14 tracey log_debug("%s: imsg size error", __func__);
137 a596b957 2022-07-14 tracey return 1;
140 a596b957 2022-07-14 tracey /* create a new socket */
141 a596b957 2022-07-14 tracey if ((sock = calloc(1, sizeof(*sock))) == NULL) {
142 a596b957 2022-07-14 tracey return 1;
145 a596b957 2022-07-14 tracey memcpy(&sock->conf, &sock_conf, sizeof(sock->conf));
146 2c52c623 2024-01-30 op sock->fd = imsg_get_fd(imsg);
148 2ad48e9a 2022-08-16 stsp TAILQ_INSERT_TAIL(&env->sockets, sock, entry);
150 a596b957 2022-07-14 tracey /* log new socket info */
151 36079424 2024-05-16 op log_debug("%s: id=%d af_type=%s socket_path=%s",
152 36079424 2024-05-16 op __func__, sock->conf.id,
153 4fcc9f74 2022-08-16 stsp sock->conf.af_type == AF_UNIX ? "unix" :
154 4fcc9f74 2022-08-16 stsp (sock->conf.af_type == AF_INET ? "inet" :
155 4fcc9f74 2022-08-16 stsp (sock->conf.af_type == AF_INET6 ? "inet6" : "unknown")),
156 4448825a 2023-06-16 op *sock->conf.unix_socket_name != '\0' ?
157 a596b957 2022-07-14 tracey sock->conf.unix_socket_name : "none");
163 2a83fef7 2024-05-27 op config_setfd(struct gotwebd *env)
165 58cdb97c 2023-11-16 op int i, j, ret, fd;
167 a596b957 2022-07-14 tracey log_debug("%s: Allocating %d file descriptors",
168 0f91044a 2022-07-22 stsp __func__, PRIV_FDS__MAX + GOTWEB_PACK_NUM_TEMPFILES);
170 26678add 2023-11-16 op for (i = 0; i < PRIV_FDS__MAX + GOTWEB_PACK_NUM_TEMPFILES; i++) {
171 58cdb97c 2023-11-16 op for (j = 0; j < env->nserver; ++j) {
172 58cdb97c 2023-11-16 op fd = got_opentempfd();
173 58cdb97c 2023-11-16 op if (fd == -1)
174 58cdb97c 2023-11-16 op fatal("got_opentemp");
175 58cdb97c 2023-11-16 op if (imsg_compose_event(&env->iev_server[j],
176 2a83fef7 2024-05-27 op IMSG_CFG_FD, 0, -1, fd, NULL, 0) == -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 2a83fef7 2024-05-27 op int match = 0, i, j;
195 2a83fef7 2024-05-27 op const int nfds = GOTWEB_PACK_NUM_TEMPFILES + PRIV_FDS__MAX;
197 2a83fef7 2024-05-27 op if (imsg_get_len(imsg) != 0)
198 6e0942f6 2023-11-17 op fatalx("%s: wrong size", __func__);
200 2a83fef7 2024-05-27 op for (i = 0; i < nfds; i++) {
201 2a83fef7 2024-05-27 op if (i < PRIV_FDS__MAX && env->priv_fd[i] == -1) {
202 2a83fef7 2024-05-27 op env->priv_fd[i] = imsg_get_fd(imsg);
203 2a83fef7 2024-05-27 op log_debug("%s: assigning priv_fd %d",
204 2a83fef7 2024-05-27 op __func__, env->priv_fd[i]);
209 2a83fef7 2024-05-27 op j = i - PRIV_FDS__MAX;
210 2a83fef7 2024-05-27 op if (env->pack_fds[j] == -1) {
211 2a83fef7 2024-05-27 op env->pack_fds[j] = imsg_get_fd(imsg);
212 2a83fef7 2024-05-27 op log_debug("%s: assigning pack_fd %d",
213 2a83fef7 2024-05-27 op __func__, env->pack_fds[j]);
219 a596b957 2022-07-14 tracey if (match)
222 a596b957 2022-07-14 tracey return 1;