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 5e11c00c 2021-03-02 op #include <sys/socket.h>
19 5e11c00c 2021-03-02 op #include <errno.h>
20 dc761924 2021-07-15 op #include <getopt.h>
21 d2544989 2021-07-08 op #include <limits.h>
22 5e11c00c 2021-03-02 op #include <signal.h>
23 5e11c00c 2021-03-02 op #include <stdio.h>
24 5e11c00c 2021-03-02 op #include <stdlib.h>
25 5e11c00c 2021-03-02 op #include <string.h>
26 5e11c00c 2021-03-02 op #include <unistd.h>
28 e659558c 2021-07-13 op #include "defaults.h"
29 395b9f4e 2021-07-12 op #include "parser.h"
30 395b9f4e 2021-07-12 op #include "telescope.h"
31 d1a0f2a3 2021-07-12 op #include "ui.h"
33 dc761924 2021-07-15 op static struct option longopts[] = {
34 1853ee50 2021-07-15 op {"colors", no_argument, NULL, 'c'},
35 dc761924 2021-07-15 op {"help", no_argument, NULL, 'h'},
36 dc761924 2021-07-15 op {"version", no_argument, NULL, 'v'},
37 dc761924 2021-07-15 op {NULL, 0, NULL, 0},
40 1853ee50 2021-07-15 op static const char *opts = "Cc:hnT:v";
42 bc10f6a5 2021-07-12 op static struct imsgev *iev_fs, *iev_net;
44 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
45 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
47 6cc5fcfe 2021-07-08 op enum telescope_process {
53 c07ac996 2021-03-12 op /* the first is also the fallback one */
54 c07ac996 2021-03-12 op static struct proto protos[] = {
55 31f1a758 2021-04-22 op { "gemini", load_gemini_url },
56 31f1a758 2021-04-22 op { "about", load_about_url },
57 4d3785b1 2021-03-09 op { NULL, NULL },
61 9a8a7402 2021-07-18 op #define CANNOT_FETCH 0
62 9a8a7402 2021-07-18 op #define TOO_MUCH_REDIRECTS 1
63 9a8a7402 2021-07-18 op #define MALFORMED_RESPONSE 2
64 9a8a7402 2021-07-18 op #define UNKNOWN_TYPE_OR_CSET 3
65 9a8a7402 2021-07-18 op #define UNKNOWN_PROTOCOL 4
67 9a8a7402 2021-07-18 op /* XXX: keep in sync with telescope.c:/^normalize_code/ */
68 9a8a7402 2021-07-18 op const char *err_pages[70] = {
69 9a8a7402 2021-07-18 op [CANNOT_FETCH] = "# Couldn't load the page\n",
70 9a8a7402 2021-07-18 op [TOO_MUCH_REDIRECTS] = "# Too much redirects\n",
71 9a8a7402 2021-07-18 op [MALFORMED_RESPONSE] = "# Got a malformed response\n",
72 9a8a7402 2021-07-18 op [UNKNOWN_TYPE_OR_CSET] = "# Unsupported type or charset\n",
73 9a8a7402 2021-07-18 op [UNKNOWN_PROTOCOL] = "# Unknown protocol\n",
75 9a8a7402 2021-07-18 op [10] = "# Input required\n",
76 9a8a7402 2021-07-18 op [11] = "# Input required\n",
77 9a8a7402 2021-07-18 op [40] = "# Temporary failure\n",
78 9a8a7402 2021-07-18 op [41] = "# Server unavailable\n",
79 9a8a7402 2021-07-18 op [42] = "# CGI error\n",
80 9a8a7402 2021-07-18 op [43] = "# Proxy error\n",
81 9a8a7402 2021-07-18 op [44] = "# Slow down\n",
82 9a8a7402 2021-07-18 op [50] = "# Permanent failure\n",
83 9a8a7402 2021-07-18 op [51] = "# Not found\n",
84 9a8a7402 2021-07-18 op [52] = "# Gone\n",
85 9a8a7402 2021-07-18 op [53] = "# Proxy request refused\n",
86 9a8a7402 2021-07-18 op [59] = "# Bad request\n",
87 9a8a7402 2021-07-18 op [60] = "# Client certificate required\n",
88 9a8a7402 2021-07-18 op [61] = "# Certificate not authorised\n",
89 9a8a7402 2021-07-18 op [62] = "# Certificate not valid\n"
92 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
93 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
94 2051e653 2021-03-13 op static void handle_imsg_err(struct imsg*, size_t);
95 2051e653 2021-03-13 op static void handle_imsg_check_cert(struct imsg*, size_t);
96 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
97 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
98 2051e653 2021-03-13 op static void handle_imsg_got_code(struct imsg*, size_t);
99 2051e653 2021-03-13 op static void handle_imsg_got_meta(struct imsg*, size_t);
100 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
101 d1353324 2021-07-13 op static void handle_save_page_path(const char *, struct tab *);
102 de2a69bb 2021-05-17 op static void handle_imsg_file_opened(struct imsg*, size_t);
103 2051e653 2021-03-13 op static void handle_imsg_buf(struct imsg*, size_t);
104 2051e653 2021-03-13 op static void handle_imsg_eof(struct imsg*, size_t);
105 740f578b 2021-03-15 op static void handle_imsg_bookmark_ok(struct imsg*, size_t);
106 3a227e9a 2021-03-18 op static void handle_imsg_save_cert_ok(struct imsg*, size_t);
107 288fd238 2021-04-25 op static void handle_imsg_update_cert_ok(struct imsg *, size_t);
108 1304bbdd 2021-03-15 op static void handle_dispatch_imsg(int, short, void*);
109 2051e653 2021-03-13 op static void load_page_from_str(struct tab*, const char*);
110 adea4eec 2021-07-16 op static int do_load_url(struct tab*, const char*);
111 2f524b17 2021-07-17 op static void parse_session_line(char *, const char **, uint32_t *);
112 87e3e801 2021-07-17 op static void load_last_session(void);
113 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
114 bc10f6a5 2021-07-12 op static int ui_send_net(int, uint32_t, const void *, uint16_t);
115 bc10f6a5 2021-07-12 op static int ui_send_fs(int, uint32_t, const void *, uint16_t);
117 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
118 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
119 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
120 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
121 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
122 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
123 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
124 740f578b 2021-03-15 op [IMSG_BOOKMARK_OK] = handle_imsg_bookmark_ok,
125 3a227e9a 2021-03-18 op [IMSG_SAVE_CERT_OK] = handle_imsg_save_cert_ok,
126 288fd238 2021-04-25 op [IMSG_UPDATE_CERT_OK] = handle_imsg_update_cert_ok,
127 de2a69bb 2021-05-17 op [IMSG_FILE_OPENED] = handle_imsg_file_opened,
130 cbcc75fb 2021-03-17 op static struct ohash certs;
132 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
135 5e11c00c 2021-03-02 op abort(); /* TODO */
138 5e11c00c 2021-03-02 op static struct tab *
139 f6243012 2021-07-19 op tab_by_id(uint32_t id)
141 5e11c00c 2021-03-02 op struct tab *t;
143 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
144 5e11c00c 2021-03-02 op if (t->id == id)
152 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
154 3a9b9365 2021-03-09 op struct tab *tab;
157 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
160 3a9b9365 2021-03-09 op page = imsg->data;
161 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
163 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
164 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
166 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
171 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
173 984245ce 2021-06-23 op const char *hash, *host, *port;
174 cbcc75fb 2021-03-17 op int tofu_res;
175 cbcc75fb 2021-03-17 op struct tofu_entry *e;
176 cbcc75fb 2021-03-17 op struct tab *tab;
178 cbcc75fb 2021-03-17 op hash = imsg->data;
179 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
182 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
185 984245ce 2021-06-23 op if (tab->proxy != NULL) {
186 984245ce 2021-06-23 op host = tab->proxy->host;
187 984245ce 2021-06-23 op port = tab->proxy->port;
189 984245ce 2021-06-23 op host = tab->uri.host;
190 984245ce 2021-06-23 op port = tab->uri.port;
193 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
194 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
195 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
196 cbcc75fb 2021-03-17 op * the certs! */
197 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
200 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
201 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
203 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
204 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
205 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
206 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
208 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
209 3768e50f 2021-04-25 op tofu_add(&certs, e);
210 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SAVE_CERT, tab->id, e, sizeof(*e));
212 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
214 5d1bac73 2021-03-25 op if (tofu_res) {
215 a2fd3805 2021-07-06 op if (e->verified == -1)
216 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
217 a2fd3805 2021-07-06 op else if (e->verified == 1)
218 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
220 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
222 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, imsg->hdr.peerid,
223 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
225 cbcc75fb 2021-03-17 op tab->trust = TS_UNTRUSTED;
226 cbcc75fb 2021-03-17 op load_page_from_str(tab, "# Certificate mismatch\n");
227 288fd238 2021-04-25 op if ((tab->cert = strdup(hash)) == NULL)
229 5d1bac73 2021-03-25 op ui_yornp("Certificate mismatch. Proceed?",
230 a2fd3805 2021-07-06 op handle_check_cert_user_choice, tab);
235 a2fd3805 2021-07-06 op handle_check_cert_user_choice(int accept, struct tab *tab)
237 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, tab->id, &accept,
238 bc10f6a5 2021-07-12 op sizeof(accept));
240 a2fd3805 2021-07-06 op if (accept) {
242 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
243 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
244 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
245 a2fd3805 2021-07-06 op * tabid (one request == one tab id) and crash. It
246 a2fd3805 2021-07-06 op * also makes sense to save it for the current session
247 a2fd3805 2021-07-06 op * if the user accepted it.
249 a2fd3805 2021-07-06 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port, tab->cert);
251 288fd238 2021-04-25 op ui_yornp("Save the new certificate?",
252 a2fd3805 2021-07-06 op handle_maybe_save_new_cert, tab);
254 288fd238 2021-04-25 op free(tab->cert);
255 288fd238 2021-04-25 op tab->cert = NULL;
260 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
262 288fd238 2021-04-25 op struct tofu_entry *e;
263 984245ce 2021-06-23 op const char *host, *port;
265 984245ce 2021-06-23 op if (tab->proxy != NULL) {
266 984245ce 2021-06-23 op host = tab->proxy->host;
267 984245ce 2021-06-23 op port = tab->proxy->port;
269 984245ce 2021-06-23 op host = tab->uri.host;
270 984245ce 2021-06-23 op port = tab->uri.port;
276 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
279 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
280 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
281 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
282 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
284 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
285 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_UPDATE_CERT, 0, e, sizeof(*e));
287 288fd238 2021-04-25 op tofu_update(&certs, e);
289 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
292 288fd238 2021-04-25 op free(tab->cert);
293 288fd238 2021-04-25 op tab->cert = NULL;
296 5cd2ebb1 2021-03-11 op static inline int
297 5cd2ebb1 2021-03-11 op normalize_code(int n)
299 5cd2ebb1 2021-03-11 op if (n < 20) {
300 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
303 5cd2ebb1 2021-03-11 op } else if (n < 30) {
305 5cd2ebb1 2021-03-11 op } else if (n < 40) {
306 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
309 5cd2ebb1 2021-03-11 op } else if (n < 50) {
313 5cd2ebb1 2021-03-11 op } else if (n < 60) {
314 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
317 5cd2ebb1 2021-03-11 op } else if (n < 70) {
322 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
326 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
328 0972d8b2 2021-03-02 op struct tab *tab;
330 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
333 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
336 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
337 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
338 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
339 0972d8b2 2021-03-02 op tab->redirect_count = 0;
343 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
345 0972d8b2 2021-03-02 op struct tab *tab;
347 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
350 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
353 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
355 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
356 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
357 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
358 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
359 5cd2ebb1 2021-03-11 op ui_require_input(tab, tab->code == 11);
360 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
361 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
362 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
364 c07ac996 2021-03-12 op load_page_from_str(tab, err_pages[UNKNOWN_TYPE_OR_CSET]);
365 de2a69bb 2021-05-17 op ui_yornp("Can't display page, wanna save?",
366 a2fd3805 2021-07-06 op handle_maybe_save_page, tab);
368 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
369 3a9b9365 2021-03-09 op tab->redirect_count++;
371 3a9b9365 2021-03-09 op /* TODO: make customizable? */
372 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
373 3a9b9365 2021-03-09 op load_page_from_str(tab,
374 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
376 2051e653 2021-03-13 op do_load_url(tab, tab->meta);
377 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
378 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
383 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
386 d1353324 2021-07-13 op ui_read("Save to path", handle_save_page_path, tab);
388 a2fd3805 2021-07-06 op stop_tab(tab);
392 d1353324 2021-07-13 op handle_save_page_path(const char *path, struct tab *tab)
394 de2a69bb 2021-05-17 op if (path == NULL) {
395 d1353324 2021-07-13 op stop_tab(tab);
399 de2a69bb 2021-05-17 op tab->path = strdup(path);
401 d1353324 2021-07-13 op ui_send_fs(IMSG_FILE_OPEN, tab->id, path, strlen(path)+1);
405 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
407 de2a69bb 2021-05-17 op struct tab *tab;
409 de2a69bb 2021-05-17 op const char *e;
412 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL) {
413 f6243012 2021-07-19 op if (imsg->fd != -1)
414 f6243012 2021-07-19 op close(imsg->fd);
418 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
419 de2a69bb 2021-05-17 op stop_tab(tab);
421 de2a69bb 2021-05-17 op e = imsg->data;
422 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
424 de2a69bb 2021-05-17 op l = asprintf(&page, "# Can't open file\n\n> %s: %s\n",
425 de2a69bb 2021-05-17 op tab->path, e);
428 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
431 de2a69bb 2021-05-17 op tab->fd = imsg->fd;
432 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
437 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
439 0972d8b2 2021-03-02 op struct tab *tab;
441 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
443 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
446 de2a69bb 2021-05-17 op tab->bytes += datalen;
447 de2a69bb 2021-05-17 op if (tab->fd == -1) {
448 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page,
449 de2a69bb 2021-05-17 op imsg->data, datalen))
452 de2a69bb 2021-05-17 op write(tab->fd, imsg->data, datalen);
453 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
454 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saving to \"%s\"... (%s)\n",
459 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
463 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
467 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
469 2ba66cea 2021-03-22 op struct tab *tab;
471 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
473 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
476 de2a69bb 2021-05-17 op if (tab->fd == -1) {
477 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
480 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
481 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saved to \"%s\" (%s)\n",
486 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
489 de2a69bb 2021-05-17 op close(tab->fd);
490 de2a69bb 2021-05-17 op tab->fd = -1;
491 de2a69bb 2021-05-17 op free(tab->path);
492 de2a69bb 2021-05-17 op tab->path = NULL;
495 2ba66cea 2021-03-22 op ui_on_tab_refresh(tab);
496 2ba66cea 2021-03-22 op ui_on_tab_loaded(tab);
500 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
504 740f578b 2021-03-15 op if (datalen != sizeof(res))
507 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
508 740f578b 2021-03-15 op if (res == 0)
509 7f963c41 2021-06-20 op message("Added to bookmarks!");
511 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
512 740f578b 2021-03-15 op strerror(res));
516 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
520 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
522 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
523 3a227e9a 2021-03-18 op if (res != 0)
524 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
525 3a227e9a 2021-03-18 op strerror(res));
529 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
533 288fd238 2021-04-25 op if (datalen != sizeof(res))
535 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
537 7f963c41 2021-06-20 op message("Failed to update the certificate");
541 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
543 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
544 bc10f6a5 2021-07-12 op dispatch_imsg(iev, ev, handlers, sizeof(handlers));
548 0972d8b2 2021-03-02 op load_page_from_str(struct tab *tab, const char *page)
550 00ccb53d 2021-07-01 op erase_buffer(&tab->buffer);
551 46f6e974 2021-05-17 op gemtext_initparser(&tab->buffer.page);
552 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page, page, strlen(page)))
554 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
556 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
557 8af5e5ed 2021-03-08 op ui_on_tab_loaded(tab);
561 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
563 10346511 2021-03-17 op tab->trust = TS_VERIFIED;
565 46f6e974 2021-05-17 op gemtext_initparser(&tab->buffer.page);
567 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_GET, tab->id,
568 31f1a758 2021-04-22 op tab->hist_cur->h, strlen(tab->hist_cur->h)+1);
572 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
574 984245ce 2021-06-23 op struct get_req req;
576 2eef3403 2021-04-22 op stop_tab(tab);
577 2eef3403 2021-04-22 op tab->id = tab_new_id();
579 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
580 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
581 984245ce 2021-06-23 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
583 984245ce 2021-06-23 op strlcpy(req.req, tab->hist_cur->h, sizeof(req.req));
584 984245ce 2021-06-23 op strlcat(req.req, "\r\n", sizeof(req.req));
586 984245ce 2021-06-23 op req.proto = PROTO_GEMINI;
588 bc10f6a5 2021-07-12 op ui_send_net(IMSG_GET_RAW, tab->id,
589 984245ce 2021-06-23 op &req, sizeof(req));
593 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
595 984245ce 2021-06-23 op struct get_req req;
597 984245ce 2021-06-23 op stop_tab(tab);
598 984245ce 2021-06-23 op tab->id = tab_new_id();
599 984245ce 2021-06-23 op tab->proxy = p;
601 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
602 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
603 984245ce 2021-06-23 op strlcpy(req.port, p->port, sizeof(req.host));
605 984245ce 2021-06-23 op strlcpy(req.req, tab->hist_cur->h, sizeof(req.req));
606 984245ce 2021-06-23 op strlcat(req.req, "\r\n", sizeof(req.req));
608 984245ce 2021-06-23 op req.proto = p->proto;
610 bc10f6a5 2021-07-12 op ui_send_net(IMSG_GET_RAW, tab->id,
611 984245ce 2021-06-23 op &req, sizeof(req));
615 adea4eec 2021-07-16 op * Effectively load the given url in the given tab. Return 1 when
616 adea4eec 2021-07-16 op * loading the page asynchronously, and thus when an erase_buffer can
617 adea4eec 2021-07-16 op * be done right after this function return, or 0 when loading the
618 adea4eec 2021-07-16 op * page synchronously. In this last case, erase_buffer *MUST* be
619 adea4eec 2021-07-16 op * called by the handling function (such as load_page_from_str).
622 2051e653 2021-03-13 op do_load_url(struct tab *tab, const char *url)
624 31f1a758 2021-04-22 op struct phos_uri uri;
625 31f1a758 2021-04-22 op struct proto *p;
626 984245ce 2021-06-23 op struct proxy *proxy;
629 7943bb81 2021-07-10 op tab->proxy = NULL;
631 de2a69bb 2021-05-17 op if (tab->fd != -1) {
632 de2a69bb 2021-05-17 op close(tab->fd);
633 de2a69bb 2021-05-17 op tab->fd = -1;
634 de2a69bb 2021-05-17 op free(tab->path);
635 de2a69bb 2021-05-17 op tab->path = NULL;
638 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
640 31f1a758 2021-04-22 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
641 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
642 31f1a758 2021-04-22 op if (asprintf(&t, "#error loading %s\n>%s\n",
643 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
645 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
646 31f1a758 2021-04-22 op load_page_from_str(tab, t);
651 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
652 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
654 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
655 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
656 4d3785b1 2021-03-09 op p->loadfn(tab, url);
661 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
662 984245ce 2021-06-23 op if (!strcmp(tab->uri.scheme, proxy->match_proto)) {
663 984245ce 2021-06-23 op load_via_proxy(tab, url, proxy);
668 adea4eec 2021-07-16 op load_page_from_str(tab, err_pages[UNKNOWN_PROTOCOL]);
673 2ddbda6b 2021-07-17 op * Load url in tab. If tab is marked as lazy, only prepare the url
674 2ddbda6b 2021-07-17 op * but don't load it. If tab is lazy and a url was already prepared,
675 2ddbda6b 2021-07-17 op * do load it!
678 2051e653 2021-03-13 op load_url(struct tab *tab, const char *url)
682 2ddbda6b 2021-07-17 op lazy = tab->flags & TAB_LAZY;
684 2ddbda6b 2021-07-17 op if (lazy && tab->hist_cur != NULL) {
686 2ddbda6b 2021-07-17 op tab->flags &= ~TAB_LAZY;
689 2ddbda6b 2021-07-17 op if (!lazy || tab->hist_cur == NULL) {
690 2ddbda6b 2021-07-17 op if (tab->hist_cur != NULL)
691 2ddbda6b 2021-07-17 op hist_clear_forward(&tab->hist,
692 2ddbda6b 2021-07-17 op TAILQ_NEXT(tab->hist_cur, entries));
694 2ddbda6b 2021-07-17 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur))) == NULL) {
695 2ddbda6b 2021-07-17 op event_loopbreak();
699 2ddbda6b 2021-07-17 op strlcpy(tab->buffer.page.title, url,
700 2ddbda6b 2021-07-17 op sizeof(tab->buffer.page.title));
701 2ddbda6b 2021-07-17 op hist_push(&tab->hist, tab->hist_cur);
704 2ddbda6b 2021-07-17 op strlcpy(tab->hist_cur->h, url,
705 2ddbda6b 2021-07-17 op sizeof(tab->hist_cur->h));
708 2ddbda6b 2021-07-17 op if (!lazy && do_load_url(tab, url))
709 adea4eec 2021-07-16 op erase_buffer(&tab->buffer);
713 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
715 2051e653 2021-03-13 op struct hist *h;
717 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
719 2051e653 2021-03-13 op tab->hist_cur = h;
720 2051e653 2021-03-13 op do_load_url(tab, h->h);
725 2051e653 2021-03-13 op load_next_page(struct tab *tab)
727 2051e653 2021-03-13 op struct hist *h;
729 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
731 2051e653 2021-03-13 op tab->hist_cur = h;
732 2051e653 2021-03-13 op do_load_url(tab, h->h);
737 9ad4627d 2021-03-10 op stop_tab(struct tab *tab)
739 bc10f6a5 2021-07-12 op ui_send_net(IMSG_STOP, tab->id, NULL, 0);
741 de2a69bb 2021-05-17 op if (tab->fd != -1) {
742 de2a69bb 2021-05-17 op close(tab->fd);
743 de2a69bb 2021-05-17 op tab->fd = -1;
744 de2a69bb 2021-05-17 op free(tab->path);
745 de2a69bb 2021-05-17 op tab->path = NULL;
746 de2a69bb 2021-05-17 op load_page_from_str(tab, "Stopped.\n");
751 740f578b 2021-03-15 op add_to_bookmarks(const char *str)
753 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_BOOKMARK_PAGE, 0,
754 bc10f6a5 2021-07-12 op str, strlen(str)+1);
758 c7107cec 2021-04-01 op save_session(void)
760 87e3e801 2021-07-17 op struct tab *tab;
764 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_START, 0, NULL, 0);
766 c7107cec 2021-04-01 op TAILQ_FOREACH(tab, &tabshead, tabs) {
767 87e3e801 2021-07-17 op flags = tab->flags;
768 87e3e801 2021-07-17 op if (tab == current_tab)
769 87e3e801 2021-07-17 op flags |= TAB_CURRENT;
771 2f524b17 2021-07-17 op t = tab->hist_cur->h;
772 2f524b17 2021-07-17 op ui_send_fs(IMSG_SESSION_TAB, flags, t, strlen(t)+1);
774 2f524b17 2021-07-17 op t = tab->buffer.page.title;
775 2f524b17 2021-07-17 op ui_send_fs(IMSG_SESSION_TAB_TITLE, 0, t, strlen(t)+1);
778 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_END, 0, NULL, 0);
782 87e3e801 2021-07-17 op * Parse a line of the session file. The format is:
784 2f524b17 2021-07-17 op * URL [flags,...] [title]\n
787 2f524b17 2021-07-17 op parse_session_line(char *line, const char **title, uint32_t *flags)
789 2f524b17 2021-07-17 op char *s, *t, *ap;
793 87e3e801 2021-07-17 op if ((s = strchr(line, ' ')) == NULL)
798 2f524b17 2021-07-17 op if ((t = strchr(s, ' ')) != NULL) {
803 87e3e801 2021-07-17 op while ((ap = strsep(&s, ",")) != NULL) {
804 87e3e801 2021-07-17 op if (*ap == '\0')
806 87e3e801 2021-07-17 op else if (!strcmp(ap, "current"))
807 87e3e801 2021-07-17 op *flags |= TAB_CURRENT;
809 87e3e801 2021-07-17 op message("unknown tab flag: %s", ap);
814 87e3e801 2021-07-17 op load_last_session(void)
816 2f524b17 2021-07-17 op const char *title;
817 87e3e801 2021-07-17 op char *nl, *line = NULL;
818 87e3e801 2021-07-17 op uint32_t flags;
819 87e3e801 2021-07-17 op size_t linesize = 0;
820 87e3e801 2021-07-17 op ssize_t linelen;
821 87e3e801 2021-07-17 op FILE *session;
822 259cf35a 2021-07-18 op struct tab *tab, *curr = NULL;
824 87e3e801 2021-07-17 op if ((session = fopen(session_file, "r")) == NULL) {
825 87e3e801 2021-07-17 op /* first time? */
826 9a8a7402 2021-07-18 op new_tab("about:new");
827 9a8a7402 2021-07-18 op switch_to_tab(new_tab("about:help"));
831 87e3e801 2021-07-17 op while ((linelen = getline(&line, &linesize, session)) != -1) {
832 87e3e801 2021-07-17 op if ((nl = strchr(line, '\n')) != NULL)
834 2f524b17 2021-07-17 op parse_session_line(line, &title, &flags);
835 87e3e801 2021-07-17 op if ((tab = new_tab(line)) == NULL)
836 2f524b17 2021-07-17 op err(1, "new_tab");
837 2f524b17 2021-07-17 op strlcpy(tab->buffer.page.title, title,
838 2f524b17 2021-07-17 op sizeof(tab->buffer.page.title));
839 87e3e801 2021-07-17 op if (flags & TAB_CURRENT)
843 87e3e801 2021-07-17 op if (ferror(session))
844 87e3e801 2021-07-17 op message("error reading %s: %s",
845 87e3e801 2021-07-17 op session_file, strerror(errno));
846 87e3e801 2021-07-17 op fclose(session);
849 87e3e801 2021-07-17 op if (curr != NULL)
850 87e3e801 2021-07-17 op switch_to_tab(curr);
856 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
858 6cc5fcfe 2021-07-08 op const char *argv[4];
859 6cc5fcfe 2021-07-08 op int argc = 0;
862 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
872 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
873 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
875 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
877 6cc5fcfe 2021-07-08 op case PROC_UI:
878 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
879 6cc5fcfe 2021-07-08 op case PROC_FS:
880 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
882 6cc5fcfe 2021-07-08 op case PROC_NET:
883 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
887 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
888 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
889 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
893 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
894 bc10f6a5 2021-07-12 op uint16_t datalen)
896 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
901 bc10f6a5 2021-07-12 op ui_send_fs(int type, uint32_t peerid, const void *data, uint16_t datalen)
903 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_fs, type, peerid, 0, -1, data,
907 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
910 dc761924 2021-07-15 op fprintf(stderr, "USAGE: %s [-hnv] [-c config] [url]\n",
911 dc761924 2021-07-15 op getprogname());
912 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
917 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
919 bc10f6a5 2021-07-12 op struct imsgev net_ibuf, fs_ibuf;
920 bc10f6a5 2021-07-12 op int pipe2net[2], pipe2fs[2];
921 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
922 d2544989 2021-07-08 op int has_url = 0;
923 6cc5fcfe 2021-07-08 op int proc = -1;
924 d0fd368a 2021-07-15 op int sessionfd;
925 d2544989 2021-07-08 op char path[PATH_MAX];
926 6cc5fcfe 2021-07-08 op const char *url = NEW_TAB_URL;
927 6cc5fcfe 2021-07-08 op const char *argv0;
929 6cc5fcfe 2021-07-08 op argv0 = argv[0];
931 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
932 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
934 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
935 d2544989 2021-07-08 op enable_colors = 0;
937 d2544989 2021-07-08 op strlcpy(path, getenv("HOME"), sizeof(path));
938 d2544989 2021-07-08 op strlcat(path, "/.telescope/config", sizeof(path));
940 dc761924 2021-07-15 op while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
941 d2544989 2021-07-08 op switch (ch) {
943 1853ee50 2021-07-15 op exit(ui_print_colors());
946 d2544989 2021-07-08 op strlcpy(path, optarg, sizeof(path));
949 d2544989 2021-07-08 op configtest = 1;
954 6cc5fcfe 2021-07-08 op switch (*optarg) {
956 6cc5fcfe 2021-07-08 op proc = PROC_FS;
959 6cc5fcfe 2021-07-08 op proc = PROC_NET;
962 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
967 dc761924 2021-07-15 op printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
975 d2544989 2021-07-08 op argc -= optind;
976 d2544989 2021-07-08 op argv += optind;
978 6cc5fcfe 2021-07-08 op if (proc != -1) {
979 6cc5fcfe 2021-07-08 op if (argc > 0)
981 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
982 6cc5fcfe 2021-07-08 op return fs_main();
983 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
984 6cc5fcfe 2021-07-08 op return client_main();
989 d2544989 2021-07-08 op if (argc != 0) {
991 d2544989 2021-07-08 op url = argv[0];
994 d5bdf203 2021-07-08 op /* setup keys before reading the config */
995 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
996 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
997 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
999 d2544989 2021-07-08 op config_init();
1000 d2544989 2021-07-08 op parseconfig(path, fail);
1001 d2544989 2021-07-08 op if (configtest){
1002 d2544989 2021-07-08 op puts("config OK");
1007 d0fd368a 2021-07-15 op if ((sessionfd = lock_session()) == -1)
1008 d0fd368a 2021-07-15 op errx(1, "can't lock session, is another instance of "
1009 d0fd368a 2021-07-15 op "telescope already running?");
1011 6cc5fcfe 2021-07-08 op /* Start children. */
1012 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2fs) == -1)
1013 5e11c00c 2021-03-02 op err(1, "socketpair");
1014 bc10f6a5 2021-07-12 op start_child(PROC_FS, argv0, pipe2fs[1]);
1015 bc10f6a5 2021-07-12 op imsg_init(&fs_ibuf.ibuf, pipe2fs[0]);
1016 bc10f6a5 2021-07-12 op iev_fs = &fs_ibuf;
1017 bc10f6a5 2021-07-12 op iev_fs->handler = handle_dispatch_imsg;
1019 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
1020 35e1f40a 2021-03-14 op err(1, "socketpair");
1021 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
1022 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
1023 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
1024 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
1026 37d429b0 2021-04-01 op setproctitle("ui");
1028 6cc5fcfe 2021-07-08 op /* initialize tofu & load certificates */
1029 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
1030 3a227e9a 2021-03-18 op load_certs(&certs);
1032 5e11c00c 2021-03-02 op event_init();
1034 bc10f6a5 2021-07-12 op /* Setup event handlers for pipes to fs/net */
1035 bc10f6a5 2021-07-12 op iev_fs->events = EV_READ;
1036 bc10f6a5 2021-07-12 op event_set(&iev_fs->ev, iev_fs->ibuf.fd, iev_fs->events,
1037 bc10f6a5 2021-07-12 op iev_fs->handler, iev_fs);
1038 bc10f6a5 2021-07-12 op event_add(&iev_fs->ev, NULL);
1040 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
1041 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
1042 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
1043 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
1045 d2544989 2021-07-08 op if (ui_init()) {
1046 87e3e801 2021-07-17 op load_last_session();
1047 d2544989 2021-07-08 op if (has_url || TAILQ_EMPTY(&tabshead))
1048 d2544989 2021-07-08 op new_tab(url);
1050 941b3761 2021-03-18 op sandbox_ui_process();
1051 2ddbda6b 2021-07-17 op ui_main_loop();
1055 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_QUIT, 0, NULL, 0);
1056 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
1057 3e5fd7be 2021-07-13 op imsg_flush(&iev_fs->ibuf);
1058 a9925134 2021-07-15 op imsg_flush(&iev_net->ibuf);
1060 d0fd368a 2021-07-15 op close(sessionfd);
