2 4540067e 2021-07-18 op * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
4 4540067e 2021-07-18 op * Permission to use, copy, modify, and distribute this software for any
5 4540067e 2021-07-18 op * purpose with or without fee is hereby granted, provided that the above
6 4540067e 2021-07-18 op * copyright notice and this permission notice appear in all copies.
8 4540067e 2021-07-18 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 4540067e 2021-07-18 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 4540067e 2021-07-18 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 4540067e 2021-07-18 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 4540067e 2021-07-18 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 4540067e 2021-07-18 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 4540067e 2021-07-18 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 1f496e7b 2021-07-21 op #include "compat.h"
19 5e11c00c 2021-03-02 op #include <sys/socket.h>
20 4cf6ba13 2022-02-11 op #include <sys/un.h>
21 be97d6e6 2021-08-15 op #include <sys/wait.h>
23 be97d6e6 2021-08-15 op #include <errno.h>
24 f63b8f73 2022-04-24 op #include <fcntl.h>
25 dc761924 2021-07-15 op #include <getopt.h>
26 f63b8f73 2022-04-24 op #include <limits.h>
27 5e11c00c 2021-03-02 op #include <signal.h>
28 5e11c00c 2021-03-02 op #include <stdio.h>
29 5e11c00c 2021-03-02 op #include <stdlib.h>
30 5e11c00c 2021-03-02 op #include <string.h>
31 5e11c00c 2021-03-02 op #include <unistd.h>
33 4cf6ba13 2022-02-11 op #include "control.h"
34 e659558c 2021-07-13 op #include "defaults.h"
35 eb2ed626 2021-10-07 op #include "fs.h"
36 d5af38cc 2022-01-10 op #include "mcache.h"
37 4bc446b9 2021-07-21 op #include "minibuffer.h"
38 395b9f4e 2021-07-12 op #include "parser.h"
39 1fce2e75 2021-08-14 op #include "session.h"
40 395b9f4e 2021-07-12 op #include "telescope.h"
41 d1a0f2a3 2021-07-12 op #include "ui.h"
42 9d65b1d9 2022-01-11 op #include "utils.h"
44 0d877486 2022-02-24 op static const struct option longopts[] = {
45 a599eaa6 2021-01-02 op {"colors", no_argument, NULL, 'C'},
46 a599eaa6 2021-01-02 op {"colours", no_argument, NULL, 'C'},
47 dc761924 2021-07-15 op {"help", no_argument, NULL, 'h'},
48 d0971653 2021-09-15 op {"safe", no_argument, NULL, 'S'},
49 dc761924 2021-07-15 op {"version", no_argument, NULL, 'v'},
50 dc761924 2021-07-15 op {NULL, 0, NULL, 0},
53 d0971653 2021-09-15 op static const char *opts = "Cc:hnST:v";
55 bb28f1c2 2021-12-30 op static int has_url;
56 bb28f1c2 2021-12-30 op static char url[GEMINI_URL_LEN];
59 a37d1a1c 2021-08-14 op * Used to know when we're finished loading.
61 1fce2e75 2021-08-14 op int operating;
64 d0971653 2021-09-15 op * "Safe" (or "sandobox") mode. If enabled, Telescope shouldn't write
65 d0971653 2021-09-15 op * anything to the filesystem or execute external programs.
67 d0971653 2021-09-15 op int safe_mode;
69 f63b8f73 2022-04-24 op static struct imsgev *iev_net;
71 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
72 6c74799d 2022-01-05 op struct tabshead ktabshead = TAILQ_HEAD_INITIALIZER(ktabshead);
73 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
75 6cc5fcfe 2021-07-08 op enum telescope_process {
80 9a8a7402 2021-07-18 op #define CANNOT_FETCH 0
81 9a8a7402 2021-07-18 op #define TOO_MUCH_REDIRECTS 1
82 9a8a7402 2021-07-18 op #define MALFORMED_RESPONSE 2
83 9a8a7402 2021-07-18 op #define UNKNOWN_TYPE_OR_CSET 3
84 9a8a7402 2021-07-18 op #define UNKNOWN_PROTOCOL 4
86 a21e0756 2021-08-14 op /* XXX: keep in sync with normalize_code */
87 9a8a7402 2021-07-18 op const char *err_pages[70] = {
88 9a8a7402 2021-07-18 op [CANNOT_FETCH] = "# Couldn't load the page\n",
89 9a8a7402 2021-07-18 op [TOO_MUCH_REDIRECTS] = "# Too much redirects\n",
90 9a8a7402 2021-07-18 op [MALFORMED_RESPONSE] = "# Got a malformed response\n",
91 9a8a7402 2021-07-18 op [UNKNOWN_TYPE_OR_CSET] = "# Unsupported type or charset\n",
92 9a8a7402 2021-07-18 op [UNKNOWN_PROTOCOL] = "# Unknown protocol\n",
94 9a8a7402 2021-07-18 op [10] = "# Input required\n",
95 9a8a7402 2021-07-18 op [11] = "# Input required\n",
96 9a8a7402 2021-07-18 op [40] = "# Temporary failure\n",
97 9a8a7402 2021-07-18 op [41] = "# Server unavailable\n",
98 9a8a7402 2021-07-18 op [42] = "# CGI error\n",
99 9a8a7402 2021-07-18 op [43] = "# Proxy error\n",
100 9a8a7402 2021-07-18 op [44] = "# Slow down\n",
101 9a8a7402 2021-07-18 op [50] = "# Permanent failure\n",
102 9a8a7402 2021-07-18 op [51] = "# Not found\n",
103 9a8a7402 2021-07-18 op [52] = "# Gone\n",
104 9a8a7402 2021-07-18 op [53] = "# Proxy request refused\n",
105 9a8a7402 2021-07-18 op [59] = "# Bad request\n",
106 9a8a7402 2021-07-18 op [60] = "# Client certificate required\n",
107 9a8a7402 2021-07-18 op [61] = "# Certificate not authorised\n",
108 9a8a7402 2021-07-18 op [62] = "# Certificate not valid\n"
111 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
112 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
113 69f32f56 2021-08-16 op static void handle_imsg_err(struct imsg *, size_t);
114 69f32f56 2021-08-16 op static void handle_imsg_check_cert(struct imsg *, size_t);
115 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
116 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
117 69f32f56 2021-08-16 op static void handle_imsg_got_code(struct imsg *, size_t);
118 69f32f56 2021-08-16 op static void handle_imsg_got_meta(struct imsg *, size_t);
119 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
120 d1353324 2021-07-13 op static void handle_save_page_path(const char *, struct tab *);
121 69f32f56 2021-08-16 op static void handle_imsg_buf(struct imsg *, size_t);
122 69f32f56 2021-08-16 op static void handle_imsg_eof(struct imsg *, size_t);
123 69f32f56 2021-08-16 op static void handle_dispatch_imsg(int, short, void *);
124 69f32f56 2021-08-16 op static int load_about_url(struct tab *, const char *);
125 0b1053d2 2021-08-13 op static int load_file_url(struct tab *, const char *);
126 1c690d0a 2021-08-03 op static int load_finger_url(struct tab *, const char *);
127 69f32f56 2021-08-16 op static int load_gemini_url(struct tab *, const char *);
128 1c690d0a 2021-08-03 op static int load_gopher_url(struct tab *, const char *);
129 1c690d0a 2021-08-03 op static int load_via_proxy(struct tab *, const char *,
130 dfb5eb39 2021-07-25 op struct proxy *);
131 1c690d0a 2021-08-03 op static int make_request(struct tab *, struct get_req *, int,
132 cf1195ce 2021-07-25 op const char *);
133 ed21a9a1 2022-01-11 op static int do_load_url(struct tab *, const char *, const char *, int);
134 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
135 4cf6ba13 2022-02-11 op static void send_url(const char *);
137 0d877486 2022-02-24 op static const struct proto {
138 352e0355 2021-07-25 op const char *schema;
139 ba782cb8 2021-07-25 op const char *port;
140 69f32f56 2021-08-16 op int (*loadfn)(struct tab *, const char *);
141 352e0355 2021-07-25 op } protos[] = {
142 ba782cb8 2021-07-25 op {"about", NULL, load_about_url},
143 0b1053d2 2021-08-13 op {"file", NULL, load_file_url},
144 ba782cb8 2021-07-25 op {"finger", "79", load_finger_url},
145 ba782cb8 2021-07-25 op {"gemini", "1965", load_gemini_url},
146 1663bf1e 2021-07-25 op {"gopher", "70", load_gopher_url},
147 ba782cb8 2021-07-25 op {NULL, NULL, NULL},
150 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
151 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
152 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
153 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
154 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
155 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
156 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
159 cbcc75fb 2021-03-17 op static struct ohash certs;
161 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
164 5e11c00c 2021-03-02 op abort(); /* TODO */
167 5e11c00c 2021-03-02 op static struct tab *
168 f6243012 2021-07-19 op tab_by_id(uint32_t id)
170 5e11c00c 2021-03-02 op struct tab *t;
172 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
173 5e11c00c 2021-03-02 op if (t->id == id)
181 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
183 3a9b9365 2021-03-09 op struct tab *tab;
186 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
189 3a9b9365 2021-03-09 op page = imsg->data;
190 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
192 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
193 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
195 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
200 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
202 984245ce 2021-06-23 op const char *hash, *host, *port;
203 cbcc75fb 2021-03-17 op int tofu_res;
204 cbcc75fb 2021-03-17 op struct tofu_entry *e;
205 cbcc75fb 2021-03-17 op struct tab *tab;
207 cbcc75fb 2021-03-17 op hash = imsg->data;
208 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
211 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
214 984245ce 2021-06-23 op if (tab->proxy != NULL) {
215 984245ce 2021-06-23 op host = tab->proxy->host;
216 984245ce 2021-06-23 op port = tab->proxy->port;
218 984245ce 2021-06-23 op host = tab->uri.host;
219 984245ce 2021-06-23 op port = tab->uri.port;
222 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
223 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
224 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
225 cbcc75fb 2021-03-17 op * the certs! */
226 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
229 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
230 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
232 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
233 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
234 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
235 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
237 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
238 3768e50f 2021-04-25 op tofu_add(&certs, e);
239 f63b8f73 2022-04-24 op save_cert(e);
241 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
243 5d1bac73 2021-03-25 op if (tofu_res) {
244 a2fd3805 2021-07-06 op if (e->verified == -1)
245 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
246 a2fd3805 2021-07-06 op else if (e->verified == 1)
247 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
249 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
251 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, imsg->hdr.peerid,
252 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
254 cbcc75fb 2021-03-17 op tab->trust = TS_UNTRUSTED;
255 cbcc75fb 2021-03-17 op load_page_from_str(tab, "# Certificate mismatch\n");
256 288fd238 2021-04-25 op if ((tab->cert = strdup(hash)) == NULL)
258 5d1bac73 2021-03-25 op ui_yornp("Certificate mismatch. Proceed?",
259 a2fd3805 2021-07-06 op handle_check_cert_user_choice, tab);
264 a2fd3805 2021-07-06 op handle_check_cert_user_choice(int accept, struct tab *tab)
266 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, tab->id, &accept,
267 bc10f6a5 2021-07-12 op sizeof(accept));
269 a2fd3805 2021-07-06 op if (accept) {
271 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
272 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
273 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
274 7b4e4feb 2021-08-15 op * tabid (one request == one tab id). It also makes
275 7b4e4feb 2021-08-15 op * sense to save it for the current session if the
276 7b4e4feb 2021-08-15 op * user accepted it.
278 69f32f56 2021-08-16 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port,
281 d0971653 2021-09-15 op if (!safe_mode)
282 d0971653 2021-09-15 op ui_yornp("Save the new certificate?",
283 d0971653 2021-09-15 op handle_maybe_save_new_cert, tab);
285 d0971653 2021-09-15 op message("Certificate temporarly trusted");
287 288fd238 2021-04-25 op free(tab->cert);
288 288fd238 2021-04-25 op tab->cert = NULL;
293 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
295 288fd238 2021-04-25 op struct tofu_entry *e;
296 984245ce 2021-06-23 op const char *host, *port;
298 984245ce 2021-06-23 op if (tab->proxy != NULL) {
299 984245ce 2021-06-23 op host = tab->proxy->host;
300 984245ce 2021-06-23 op port = tab->proxy->port;
302 984245ce 2021-06-23 op host = tab->uri.host;
303 984245ce 2021-06-23 op port = tab->uri.port;
309 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
312 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
313 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
314 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
315 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
317 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
319 f63b8f73 2022-04-24 op update_cert(e);
320 288fd238 2021-04-25 op tofu_update(&certs, e);
322 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
325 288fd238 2021-04-25 op free(tab->cert);
326 288fd238 2021-04-25 op tab->cert = NULL;
329 5cd2ebb1 2021-03-11 op static inline int
330 5cd2ebb1 2021-03-11 op normalize_code(int n)
332 5cd2ebb1 2021-03-11 op if (n < 20) {
333 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
336 5cd2ebb1 2021-03-11 op } else if (n < 30) {
338 5cd2ebb1 2021-03-11 op } else if (n < 40) {
339 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
342 5cd2ebb1 2021-03-11 op } else if (n < 50) {
346 5cd2ebb1 2021-03-11 op } else if (n < 60) {
347 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
350 5cd2ebb1 2021-03-11 op } else if (n < 70) {
355 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
359 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
361 0972d8b2 2021-03-02 op struct tab *tab;
363 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
366 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
369 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
370 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
371 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
372 0972d8b2 2021-03-02 op tab->redirect_count = 0;
376 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
378 0972d8b2 2021-03-02 op struct tab *tab;
379 fcd99a0d 2021-11-05 op char buf[128];
381 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
384 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
387 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
389 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
390 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
391 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
392 ed504b9e 2022-02-07 op free(tab->last_input_url);
393 ed504b9e 2022-02-07 op tab->last_input_url = strdup(tab->hist_cur->h);
394 ed504b9e 2022-02-07 op if (tab->last_input_url == NULL)
397 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
398 693188cb 2022-02-07 op ui_require_input(tab, tab->code == 11, ir_select_gemini);
399 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
400 9e97090d 2022-02-26 op history_add(tab->hist_cur->h);
401 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
402 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
403 fcd99a0d 2021-11-05 op } else if (safe_mode) {
404 69f32f56 2021-08-16 op load_page_from_str(tab,
405 69f32f56 2021-08-16 op err_pages[UNKNOWN_TYPE_OR_CSET]);
407 fcd99a0d 2021-11-05 op struct hist *h;
409 fcd99a0d 2021-11-05 op if ((h = hist_pop(&tab->hist)) != NULL)
410 fcd99a0d 2021-11-05 op tab->hist_cur = h;
411 fcd99a0d 2021-11-05 op snprintf(buf, sizeof(buf),
412 fcd99a0d 2021-11-05 op "Can't display \"%s\", save it?", tab->meta);
413 fcd99a0d 2021-11-05 op ui_yornp(buf, handle_maybe_save_page, tab);
415 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
416 3a9b9365 2021-03-09 op tab->redirect_count++;
418 3a9b9365 2021-03-09 op /* TODO: make customizable? */
419 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
420 3a9b9365 2021-03-09 op load_page_from_str(tab,
421 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
423 ed21a9a1 2022-01-11 op do_load_url(tab, tab->meta, NULL, LU_MODE_NOCACHE);
424 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
425 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
430 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
432 bb9912eb 2021-08-29 op const char *f;
433 bb9912eb 2021-08-29 op char input[PATH_MAX];
435 fcd99a0d 2021-11-05 op /* XXX: this print a message that is confusing */
436 fcd99a0d 2021-11-05 op ui_on_tab_loaded(tab);
438 bb9912eb 2021-08-29 op if (!dosave) {
439 a2fd3805 2021-07-06 op stop_tab(tab);
443 bb9912eb 2021-08-29 op if ((f = strrchr(tab->uri.path, '/')) == NULL)
448 112b9046 2021-08-29 op strlcpy(input, download_path, sizeof(input));
449 bb9912eb 2021-08-29 op strlcat(input, f, sizeof(input));
451 bb9912eb 2021-08-29 op ui_read("Save to path", handle_save_page_path, tab, input);
455 d1353324 2021-07-13 op handle_save_page_path(const char *path, struct tab *tab)
457 f63b8f73 2022-04-24 op struct download *d;
460 de2a69bb 2021-05-17 op if (path == NULL) {
461 d1353324 2021-07-13 op stop_tab(tab);
465 fcd99a0d 2021-11-05 op ui_show_downloads_pane();
467 f63b8f73 2022-04-24 op d = enqueue_download(tab->id, path, 0);
470 fcd99a0d 2021-11-05 op * Change this tab id, the old one is associated with the
471 fcd99a0d 2021-11-05 op * download now.
473 fcd99a0d 2021-11-05 op tab->id = tab_new_id();
475 f63b8f73 2022-04-24 op if ((fd = open(path, O_WRONLY|O_TRUNC|O_CREAT, 0644)) == -1)
476 f63b8f73 2022-04-24 op message("Can't open file %s: %s", d->path, strerror(errno));
477 f63b8f73 2022-04-24 op else if (d->buffer) {
481 f63b8f73 2022-04-24 op if ((fp = fdopen(fd, "w")) != NULL) {
482 0110411e 2022-04-13 op r = parser_serialize(current_tab, fp);
484 868b3a8f 2022-04-13 op message("Failed to save the page.");
488 868b3a8f 2022-04-13 op dequeue_first_download();
491 fcd99a0d 2021-11-05 op ui_send_net(IMSG_PROCEED, d->id, NULL, 0);
496 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
498 fcd99a0d 2021-11-05 op struct tab *tab = NULL;
499 fcd99a0d 2021-11-05 op struct download *d = NULL;
501 fcd99a0d 2021-11-05 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL &&
502 fcd99a0d 2021-11-05 op (d = download_by_id(imsg->hdr.peerid)) == NULL)
505 fcd99a0d 2021-11-05 op if (tab != NULL) {
506 8c1b0837 2021-07-25 op if (!parser_parse(tab, imsg->data, datalen))
508 fcd99a0d 2021-11-05 op ui_on_tab_refresh(tab);
510 fcd99a0d 2021-11-05 op d->bytes += datalen;
511 fcd99a0d 2021-11-05 op write(d->fd, imsg->data, datalen);
512 fcd99a0d 2021-11-05 op ui_on_download_refresh();
517 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
519 fcd99a0d 2021-11-05 op struct tab *tab = NULL;
520 fcd99a0d 2021-11-05 op struct download *d = NULL;
522 fcd99a0d 2021-11-05 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL &&
523 fcd99a0d 2021-11-05 op (d = download_by_id(imsg->hdr.peerid)) == NULL)
526 fcd99a0d 2021-11-05 op if (tab != NULL) {
527 8c1b0837 2021-07-25 op if (!parser_free(tab))
529 dc8e7bf6 2022-01-11 op if (has_prefix(tab->hist_cur->h, "gemini://") ||
530 dc8e7bf6 2022-01-11 op has_prefix(tab->hist_cur->h, "gopher://"))
531 8f3c9af8 2022-01-11 op mcache_tab(tab);
532 fcd99a0d 2021-11-05 op ui_on_tab_refresh(tab);
533 fcd99a0d 2021-11-05 op ui_on_tab_loaded(tab);
535 fcd99a0d 2021-11-05 op close(d->fd);
537 fcd99a0d 2021-11-05 op ui_on_download_refresh();
542 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
544 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
546 ea080950 2021-07-20 op if (dispatch_imsg(iev, ev, handlers, sizeof(handlers)) == -1)
547 ea080950 2021-07-20 op err(1, "connection closed");
551 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
553 f63b8f73 2022-04-24 op tab->trust = TS_TRUSTED;
554 f63b8f73 2022-04-24 op fs_load_url(tab, url);
555 f63b8f73 2022-04-24 op ui_on_tab_refresh(tab);
556 f63b8f73 2022-04-24 op ui_on_tab_loaded(tab);
561 0b1053d2 2021-08-13 op load_file_url(struct tab *tab, const char *url)
563 f63b8f73 2022-04-24 op tab->trust = TS_TRUSTED;
564 f63b8f73 2022-04-24 op fs_load_url(tab, url);
565 f63b8f73 2022-04-24 op ui_on_tab_refresh(tab);
566 f63b8f73 2022-04-24 op ui_on_tab_loaded(tab);
571 5fb52fc0 2021-07-25 op load_finger_url(struct tab *tab, const char *url)
573 5fb52fc0 2021-07-25 op struct get_req req;
577 5fb52fc0 2021-07-25 op memset(&req, 0, sizeof(req));
578 ba782cb8 2021-07-25 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
581 5fb52fc0 2021-07-25 op * Sometimes the finger url have the user as path component
582 5fb52fc0 2021-07-25 op * (e.g. finger://thelambdalab.xyz/plugd), sometimes as
583 5fb52fc0 2021-07-25 op * userinfo (e.g. finger://cobradile@finger.farm).
585 5fb52fc0 2021-07-25 op if ((at = strchr(tab->uri.host, '@')) != NULL) {
586 5fb52fc0 2021-07-25 op len = at - tab->uri.host;
587 5fb52fc0 2021-07-25 op memcpy(req.req, tab->uri.host, len);
589 5fb52fc0 2021-07-25 op if (len >= sizeof(req.req))
591 5fb52fc0 2021-07-25 op req.req[len] = '\0';
593 5fb52fc0 2021-07-25 op strlcpy(req.host, at+1, sizeof(req.host));
595 5fb52fc0 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
597 5fb52fc0 2021-07-25 op /* +1 to skip the initial `/' */
598 5fb52fc0 2021-07-25 op strlcpy(req.req, tab->uri.path+1, sizeof(req.req));
600 5fb52fc0 2021-07-25 op strlcat(req.req, "\r\n", sizeof(req.req));
602 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
603 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_FINGER, NULL);
607 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
609 984245ce 2021-06-23 op struct get_req req;
611 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
612 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
613 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
615 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_GEMINI, tab->hist_cur->h);
618 ca190c99 2021-08-14 op static inline const char *
619 ca190c99 2021-08-14 op gopher_skip_selector(const char *path, int *ret_type)
621 ca190c99 2021-08-14 op *ret_type = 0;
623 ca190c99 2021-08-14 op if (!strcmp(path, "/") || *path == '\0') {
624 ca190c99 2021-08-14 op *ret_type = '1';
628 ca190c99 2021-08-14 op if (*path != '/')
632 ca190c99 2021-08-14 op switch (*ret_type = *path) {
639 ca190c99 2021-08-14 op *ret_type = 0;
644 95bb01e2 2021-08-28 op return ++path;
648 1663bf1e 2021-07-25 op load_gopher_url(struct tab *tab, const char *url)
650 81839fee 2021-07-25 op struct get_req req;
652 81839fee 2021-07-25 op const char *path;
654 1663bf1e 2021-07-25 op memset(&req, 0, sizeof(req));
655 1663bf1e 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
656 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
658 ca190c99 2021-08-14 op path = gopher_skip_selector(tab->uri.path, &type);
659 ca190c99 2021-08-14 op switch (type) {
661 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
664 ca190c99 2021-08-14 op parser_init(tab, gophermap_initparser);
667 acf9defe 2022-02-08 op free(tab->last_input_url);
668 acf9defe 2022-02-08 op tab->last_input_url = strdup(url);
669 acf9defe 2022-02-08 op if (tab->last_input_url == NULL)
671 693188cb 2022-02-07 op ui_require_input(tab, 0, ir_select_gopher);
672 9a28e7e5 2021-08-03 op return load_page_from_str(tab, err_pages[10]);
674 ca190c99 2021-08-14 op return load_page_from_str(tab, "Unknown gopher selector");
677 9a28e7e5 2021-08-03 op strlcpy(req.req, path, sizeof(req.req));
678 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
679 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
680 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
682 767da05c 2021-08-13 op strlcat(req.req, "\r\n", sizeof(req.req));
684 767da05c 2021-08-13 op return make_request(tab, &req, PROTO_GOPHER, NULL);
688 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
690 984245ce 2021-06-23 op struct get_req req;
692 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
693 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
694 f94c7ac1 2021-11-24 op strlcpy(req.port, p->port, sizeof(req.port));
696 cf1195ce 2021-07-25 op tab->proxy = p;
698 1c690d0a 2021-08-03 op return make_request(tab, &req, p->proto, tab->hist_cur->h);
702 cf1195ce 2021-07-25 op make_request(struct tab *tab, struct get_req *req, int proto, const char *r)
704 cf1195ce 2021-07-25 op stop_tab(tab);
705 cf1195ce 2021-07-25 op tab->id = tab_new_id();
706 cf1195ce 2021-07-25 op req->proto = proto;
708 cf1195ce 2021-07-25 op if (r != NULL) {
709 cf1195ce 2021-07-25 op strlcpy(req->req, r, sizeof(req->req));
710 cf1195ce 2021-07-25 op strlcat(req->req, "\r\n", sizeof(req->req));
713 5df02e0d 2022-01-11 op start_loading_anim(tab);
714 cf1195ce 2021-07-25 op ui_send_net(IMSG_GET_RAW, tab->id, req, sizeof(*req));
717 1c690d0a 2021-08-03 op * So the various load_*_url can `return make_request` and
718 1c690d0a 2021-08-03 op * do_load_url is happy.
724 9a28e7e5 2021-08-03 op gopher_send_search_req(struct tab *tab, const char *text)
726 9a28e7e5 2021-08-03 op struct get_req req;
728 9a28e7e5 2021-08-03 op memset(&req, 0, sizeof(req));
729 9a28e7e5 2021-08-03 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
730 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
732 9a28e7e5 2021-08-03 op /* +2 to skip /7 */
733 9a28e7e5 2021-08-03 op strlcpy(req.req, tab->uri.path+2, sizeof(req.req));
734 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
735 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
736 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
739 9a28e7e5 2021-08-03 op strlcat(req.req, "\t", sizeof(req.req));
740 9a28e7e5 2021-08-03 op strlcat(req.req, text, sizeof(req.req));
741 9a28e7e5 2021-08-03 op strlcat(req.req, "\r\n", sizeof(req.req));
743 9a28e7e5 2021-08-03 op erase_buffer(&tab->buffer);
744 9a28e7e5 2021-08-03 op parser_init(tab, gophermap_initparser);
746 9a28e7e5 2021-08-03 op make_request(tab, &req, PROTO_GOPHER, NULL);
750 1bcb8303 2022-01-19 op load_page_from_str(struct tab *tab, const char *page)
752 1bcb8303 2022-01-19 op parser_init(tab, gemtext_initparser);
753 1bcb8303 2022-01-19 op if (!tab->buffer.page.parse(&tab->buffer.page, page, strlen(page)))
755 1bcb8303 2022-01-19 op if (!tab->buffer.page.free(&tab->buffer.page))
757 1bcb8303 2022-01-19 op ui_on_tab_refresh(tab);
758 1bcb8303 2022-01-19 op ui_on_tab_loaded(tab);
763 adea4eec 2021-07-16 op * Effectively load the given url in the given tab. Return 1 when
764 adea4eec 2021-07-16 op * loading the page asynchronously, and thus when an erase_buffer can
765 adea4eec 2021-07-16 op * be done right after this function return, or 0 when loading the
766 9eca3d7c 2021-11-02 op * page synchronously.
769 ed21a9a1 2022-01-11 op do_load_url(struct tab *tab, const char *url, const char *base, int mode)
771 0d877486 2022-02-24 op const struct proto *p;
772 31f1a758 2021-04-22 op struct phos_uri uri;
773 984245ce 2021-06-23 op struct proxy *proxy;
774 8f3c9af8 2022-01-11 op int nocache = mode & LU_MODE_NOCACHE;
777 7943bb81 2021-07-10 op tab->proxy = NULL;
778 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
780 bd3a3a95 2021-07-20 op if (base == NULL)
781 bd3a3a95 2021-07-20 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
783 bd3a3a95 2021-07-20 op phos_parse_absolute_uri(base, &uri);
785 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
786 902fc2c2 2021-07-25 op if (asprintf(&t, "#error loading %s\n>%s\n",
787 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
789 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
790 31f1a758 2021-04-22 op load_page_from_str(tab, t);
795 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
796 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
798 8f3c9af8 2022-01-11 op if (!nocache && mcache_lookup(tab->hist_cur->h, tab)) {
799 8f3c9af8 2022-01-11 op ui_on_tab_refresh(tab);
800 8f3c9af8 2022-01-11 op ui_on_tab_loaded(tab);
804 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
805 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
806 ba782cb8 2021-07-25 op /* patch the port */
807 ba782cb8 2021-07-25 op if (*tab->uri.port == '\0' && p->port != NULL)
808 ba782cb8 2021-07-25 op strlcpy(tab->uri.port, p->port,
809 ba782cb8 2021-07-25 op sizeof(tab->uri.port));
811 52a99c56 2022-01-15 op return p->loadfn(tab, tab->hist_cur->h);
815 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
816 1c690d0a 2021-08-03 op if (!strcmp(tab->uri.scheme, proxy->match_proto))
817 1c690d0a 2021-08-03 op return load_via_proxy(tab, url, proxy);
820 b38cd1f7 2021-08-03 op return load_page_from_str(tab, err_pages[UNKNOWN_PROTOCOL]);
824 ea639250 2021-01-02 op * Load url in tab and handle history. If a tab is marked as lazy, only
825 ea639250 2021-01-02 op * prepare the url but don't load it.
828 ed21a9a1 2022-01-11 op load_url(struct tab *tab, const char *url, const char *base, int mode)
830 ea639250 2021-01-02 op int lazy = tab->flags & TAB_LAZY;
831 ed21a9a1 2022-01-11 op int nohist = mode & LU_MODE_NOHIST;
833 fb8dcd1c 2022-01-18 op if (operating && lazy) {
834 fb8dcd1c 2022-01-18 op tab->flags ^= TAB_LAZY;
836 bf5b33f4 2022-01-18 op } else if (tab->hist_cur != NULL)
837 bf5b33f4 2022-01-18 op get_scroll_position(tab, &tab->hist_cur->line_off,
838 bf5b33f4 2022-01-18 op &tab->hist_cur->current_off);
840 bc55cdb9 2021-08-12 op if (!nohist && (!lazy || tab->hist_cur == NULL)) {
841 bf5b33f4 2022-01-18 op if (tab->hist_cur != NULL)
842 2ddbda6b 2021-07-17 op hist_clear_forward(&tab->hist,
843 2ddbda6b 2021-07-17 op TAILQ_NEXT(tab->hist_cur, entries));
845 69f32f56 2021-08-16 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur)))
847 2ddbda6b 2021-07-17 op event_loopbreak();
851 2ddbda6b 2021-07-17 op strlcpy(tab->buffer.page.title, url,
852 2ddbda6b 2021-07-17 op sizeof(tab->buffer.page.title));
853 2ddbda6b 2021-07-17 op hist_push(&tab->hist, tab->hist_cur);
856 2ddbda6b 2021-07-17 op strlcpy(tab->hist_cur->h, url,
857 2ddbda6b 2021-07-17 op sizeof(tab->hist_cur->h));
861 ed21a9a1 2022-01-11 op do_load_url(tab, url, base, mode);
865 ed21a9a1 2022-01-11 op load_url_in_tab(struct tab *tab, const char *url, const char *base, int mode)
867 0259f38d 2022-01-11 op if (operating) {
868 0259f38d 2022-01-11 op autosave_hook();
869 0259f38d 2022-01-11 op message("Loading %s...", url);
872 ed21a9a1 2022-01-11 op load_url(tab, url, base, mode);
876 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
878 2051e653 2021-03-13 op struct hist *h;
880 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
882 2051e653 2021-03-13 op tab->hist_cur = h;
883 ed21a9a1 2022-01-11 op do_load_url(tab, h->h, NULL, LU_MODE_NONE);
888 2051e653 2021-03-13 op load_next_page(struct tab *tab)
890 2051e653 2021-03-13 op struct hist *h;
892 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
894 2051e653 2021-03-13 op tab->hist_cur = h;
895 ed21a9a1 2022-01-11 op do_load_url(tab, h->h, NULL, LU_MODE_NONE);
900 868b3a8f 2022-04-13 op write_buffer(const char *path, struct tab *tab)
904 868b3a8f 2022-04-13 op if (path == NULL)
907 f63b8f73 2022-04-24 op if ((fp = fopen(path, "w")) == NULL)
909 f63b8f73 2022-04-24 op if (!parser_serialize(tab, fp))
910 f63b8f73 2022-04-24 op message("Failed to save the page.");
915 f6d7d047 2021-12-30 op * Given a user-entered URL, apply some heuristics to use it:
917 f6d7d047 2021-12-30 op * - if it's a proper url use it
918 f6d7d047 2021-12-30 op * - if it starts with a `./' or a `/' assume its a file:// url
919 f6d7d047 2021-12-30 op * - assume it's a gemini:// url
921 f6d7d047 2021-12-30 op * `ret' (of which len is the size) will be filled with the resulting
925 c6efff96 2021-08-16 op humanify_url(const char *raw, char *ret, size_t len)
927 c6efff96 2021-08-16 op struct phos_uri uri;
928 c6efff96 2021-08-16 op char buf[PATH_MAX];
930 c6efff96 2021-08-16 op if (phos_parse_absolute_uri(raw, &uri)) {
931 c6efff96 2021-08-16 op strlcpy(ret, raw, len);
935 c6efff96 2021-08-16 op if (has_prefix(raw, "./")) {
936 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
937 c6efff96 2021-08-16 op getcwd(buf, sizeof(buf));
938 c6efff96 2021-08-16 op strlcat(ret, buf, len);
939 c6efff96 2021-08-16 op strlcat(ret, "/", len);
940 c6efff96 2021-08-16 op strlcat(ret, raw+2, len);
944 c6efff96 2021-08-16 op if (*raw == '/') {
945 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
946 c6efff96 2021-08-16 op strlcat(ret, raw, len);
950 c6efff96 2021-08-16 op strlcpy(ret, "gemini://", len);
951 c6efff96 2021-08-16 op strlcat(ret, raw, len);
955 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
957 55ccd6d0 2021-09-15 op const char *argv[5];
958 6cc5fcfe 2021-07-08 op int argc = 0;
961 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
971 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
972 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
974 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
976 6cc5fcfe 2021-07-08 op case PROC_UI:
977 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
978 6cc5fcfe 2021-07-08 op case PROC_NET:
979 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
983 55ccd6d0 2021-09-15 op if (safe_mode)
984 55ccd6d0 2021-09-15 op argv[argc++] = "-S";
986 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
987 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
988 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
992 4cf6ba13 2022-02-11 op send_url(const char *url)
994 4cf6ba13 2022-02-11 op struct sockaddr_un sun;
995 4cf6ba13 2022-02-11 op struct imsgbuf ibuf;
996 4cf6ba13 2022-02-11 op int ctl_sock;
998 4cf6ba13 2022-02-11 op if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
999 4cf6ba13 2022-02-11 op err(1, "socket");
1001 4cf6ba13 2022-02-11 op memset(&sun, 0, sizeof(sun));
1002 4cf6ba13 2022-02-11 op sun.sun_family = AF_UNIX;
1003 4cf6ba13 2022-02-11 op strlcpy(sun.sun_path, ctlsock_path, sizeof(sun.sun_path));
1005 4cf6ba13 2022-02-11 op if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1)
1006 4cf6ba13 2022-02-11 op err(1, "connect: %s", ctlsock_path);
1008 4cf6ba13 2022-02-11 op imsg_init(&ibuf, ctl_sock);
1009 4cf6ba13 2022-02-11 op imsg_compose(&ibuf, IMSG_CTL_OPEN_URL, 0, 0, -1, url,
1010 4cf6ba13 2022-02-11 op strlen(url) + 1);
1011 4cf6ba13 2022-02-11 op imsg_flush(&ibuf);
1012 4cf6ba13 2022-02-11 op close(ctl_sock);
1016 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
1017 bc10f6a5 2021-07-12 op uint16_t datalen)
1019 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
1023 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
1024 6cc5fcfe 2021-07-08 op usage(int r)
1026 335cfaec 2021-09-15 op fprintf(stderr, "USAGE: %s [-ChnSv] [-c config] [url]\n",
1027 dc761924 2021-07-15 op getprogname());
1028 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
1033 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
1035 f63b8f73 2022-04-24 op struct imsgev net_ibuf;
1037 4cf6ba13 2022-02-11 op int control_fd;
1038 f63b8f73 2022-04-24 op int pipe2net[2];
1039 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
1040 6cc5fcfe 2021-07-08 op int proc = -1;
1041 5d7c642a 2021-09-15 op int sessionfd = -1;
1043 6cc5fcfe 2021-07-08 op const char *argv0;
1045 6cc5fcfe 2021-07-08 op argv0 = argv[0];
1047 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
1048 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
1050 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
1051 d2544989 2021-07-08 op enable_colors = 0;
1053 dc761924 2021-07-15 op while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
1054 d2544989 2021-07-08 op switch (ch) {
1056 1853ee50 2021-07-15 op exit(ui_print_colors());
1059 eb2ed626 2021-10-07 op strlcpy(config_path, optarg, sizeof(config_path));
1062 d2544989 2021-07-08 op configtest = 1;
1067 d0971653 2021-09-15 op safe_mode = 1;
1070 6cc5fcfe 2021-07-08 op switch (*optarg) {
1072 6cc5fcfe 2021-07-08 op proc = PROC_NET;
1075 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
1080 dc761924 2021-07-15 op printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
1088 d2544989 2021-07-08 op argc -= optind;
1089 d2544989 2021-07-08 op argv += optind;
1091 6cc5fcfe 2021-07-08 op if (proc != -1) {
1092 6cc5fcfe 2021-07-08 op if (argc > 0)
1094 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
1095 f45bd2e3 2021-07-24 op return net_main();
1100 d2544989 2021-07-08 op if (argc != 0) {
1101 d2544989 2021-07-08 op has_url = 1;
1102 c6efff96 2021-08-16 op humanify_url(argv[0], url, sizeof(url));
1107 d5bdf203 2021-07-08 op /* setup keys before reading the config */
1108 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
1109 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
1110 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
1112 d2544989 2021-07-08 op config_init();
1113 eb2ed626 2021-10-07 op parseconfig(config_path, fail);
1114 69f32f56 2021-08-16 op if (configtest) {
1115 d2544989 2021-07-08 op puts("config OK");
1119 112b9046 2021-08-29 op if (download_path == NULL &&
1120 112b9046 2021-08-29 op (download_path = strdup("/tmp/")) == NULL)
1121 112b9046 2021-08-29 op errx(1, "strdup");
1123 4cf6ba13 2022-02-11 op if (!safe_mode && (sessionfd = lock_session()) == -1) {
1124 4cf6ba13 2022-02-11 op if (has_url) {
1125 4cf6ba13 2022-02-11 op send_url(url);
1129 d0fd368a 2021-07-15 op errx(1, "can't lock session, is another instance of "
1130 d0fd368a 2021-07-15 op "telescope already running?");
1133 6cc5fcfe 2021-07-08 op /* Start children. */
1134 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
1135 35e1f40a 2021-03-14 op err(1, "socketpair");
1136 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
1137 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
1138 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
1139 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
1141 37d429b0 2021-04-01 op setproctitle("ui");
1143 eb722b50 2022-01-03 op /* initialize tofu store */
1144 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
1146 5e11c00c 2021-03-02 op event_init();
1148 4cf6ba13 2022-02-11 op if (!safe_mode) {
1149 4cf6ba13 2022-02-11 op if ((control_fd = control_init(ctlsock_path)) == -1)
1150 4cf6ba13 2022-02-11 op err(1, "control_init %s", ctlsock_path);
1151 4cf6ba13 2022-02-11 op control_listen(control_fd);
1154 d5af38cc 2022-01-10 op /* initialize the in-memory cache store */
1155 d5af38cc 2022-01-10 op mcache_init();
1157 ecfbb1d4 2021-08-14 op /* Setup event handler for the autosave */
1158 1fce2e75 2021-08-14 op autosave_init();
1160 f63b8f73 2022-04-24 op /* Setup event handlers for pipes to net */
1161 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
1162 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
1163 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
1164 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
1166 bb28f1c2 2021-12-30 op if (ui_init()) {
1167 941b3761 2021-03-18 op sandbox_ui_process();
1168 f63b8f73 2022-04-24 op fs_load_state(&certs);
1169 f63b8f73 2022-04-24 op operating = 1;
1170 f63b8f73 2022-04-24 op switch_to_tab(current_tab);
1171 f63b8f73 2022-04-24 op ui_main_loop();
1175 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
1176 a9925134 2021-07-15 op imsg_flush(&iev_net->ibuf);
1178 be97d6e6 2021-08-15 op /* wait for children to terminate */
1180 be97d6e6 2021-08-15 op pid = wait(&status);
1181 be97d6e6 2021-08-15 op if (pid == -1) {
1182 be97d6e6 2021-08-15 op if (errno != EINTR && errno != ECHILD)
1183 be97d6e6 2021-08-15 op err(1, "wait");
1184 be97d6e6 2021-08-15 op } else if (WIFSIGNALED(status))
1185 be97d6e6 2021-08-15 op warnx("child terminated; signal %d", WTERMSIG(status));
1186 be97d6e6 2021-08-15 op } while (pid != -1 || (pid == -1 && errno == EINTR));
1188 f63b8f73 2022-04-24 op if (!safe_mode)
1189 f63b8f73 2022-04-24 op unlink(crashed_file);
1191 5d7c642a 2021-09-15 op if (!safe_mode && close(sessionfd) == -1)
1192 5d7c642a 2021-09-15 op err(1, "close(sessionfd = %d)", sessionfd);
