1 5e11c00c 2021-03-02 op #include <sys/socket.h>
3 5e11c00c 2021-03-02 op #include <errno.h>
4 d2544989 2021-07-08 op #include <limits.h>
5 5e11c00c 2021-03-02 op #include <signal.h>
6 5e11c00c 2021-03-02 op #include <stdio.h>
7 5e11c00c 2021-03-02 op #include <stdlib.h>
8 5e11c00c 2021-03-02 op #include <string.h>
9 5e11c00c 2021-03-02 op #include <unistd.h>
11 395b9f4e 2021-07-12 op #include "parser.h"
12 395b9f4e 2021-07-12 op #include "telescope.h"
14 35e1f40a 2021-03-14 op struct event netev, fsev;
15 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
16 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
18 6cc5fcfe 2021-07-08 op enum telescope_process {
24 c07ac996 2021-03-12 op /* the first is also the fallback one */
25 c07ac996 2021-03-12 op static struct proto protos[] = {
26 31f1a758 2021-04-22 op { "gemini", load_gemini_url },
27 31f1a758 2021-04-22 op { "about", load_about_url },
28 4d3785b1 2021-03-09 op { NULL, NULL },
31 35e1f40a 2021-03-14 op static struct imsgbuf *netibuf, *fsibuf;
33 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
34 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
35 2051e653 2021-03-13 op static void handle_imsg_err(struct imsg*, size_t);
36 2051e653 2021-03-13 op static void handle_imsg_check_cert(struct imsg*, size_t);
37 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
38 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
39 2051e653 2021-03-13 op static void handle_imsg_got_code(struct imsg*, size_t);
40 2051e653 2021-03-13 op static void handle_imsg_got_meta(struct imsg*, size_t);
41 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
42 de2a69bb 2021-05-17 op static void handle_save_page_path(const char *, unsigned int);
43 de2a69bb 2021-05-17 op static void handle_imsg_file_opened(struct imsg*, size_t);
44 2051e653 2021-03-13 op static void handle_imsg_buf(struct imsg*, size_t);
45 2051e653 2021-03-13 op static void handle_imsg_eof(struct imsg*, size_t);
46 740f578b 2021-03-15 op static void handle_imsg_bookmark_ok(struct imsg*, size_t);
47 3a227e9a 2021-03-18 op static void handle_imsg_save_cert_ok(struct imsg*, size_t);
48 288fd238 2021-04-25 op static void handle_imsg_update_cert_ok(struct imsg *, size_t);
49 1304bbdd 2021-03-15 op static void handle_dispatch_imsg(int, short, void*);
50 2051e653 2021-03-13 op static void load_page_from_str(struct tab*, const char*);
51 2051e653 2021-03-13 op static void do_load_url(struct tab*, const char*);
52 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
54 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
55 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
56 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
57 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
58 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
59 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
60 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
61 740f578b 2021-03-15 op [IMSG_BOOKMARK_OK] = handle_imsg_bookmark_ok,
62 3a227e9a 2021-03-18 op [IMSG_SAVE_CERT_OK] = handle_imsg_save_cert_ok,
63 288fd238 2021-04-25 op [IMSG_UPDATE_CERT_OK] = handle_imsg_update_cert_ok,
64 de2a69bb 2021-05-17 op [IMSG_FILE_OPENED] = handle_imsg_file_opened,
67 cbcc75fb 2021-03-17 op static struct ohash certs;
69 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
72 5e11c00c 2021-03-02 op abort(); /* TODO */
75 5e11c00c 2021-03-02 op static struct tab *
76 5e11c00c 2021-03-02 op tab_by_id(uint32_t id)
78 5e11c00c 2021-03-02 op struct tab *t;
80 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
81 5e11c00c 2021-03-02 op if (t->id == id)
89 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
91 3a9b9365 2021-03-09 op struct tab *tab;
94 3a9b9365 2021-03-09 op tab = tab_by_id(imsg->hdr.peerid);
96 3a9b9365 2021-03-09 op page = imsg->data;
97 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
99 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
100 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
102 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
107 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
109 984245ce 2021-06-23 op const char *hash, *host, *port;
110 cbcc75fb 2021-03-17 op int tofu_res;
111 cbcc75fb 2021-03-17 op struct tofu_entry *e;
112 cbcc75fb 2021-03-17 op struct tab *tab;
114 cbcc75fb 2021-03-17 op hash = imsg->data;
115 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
118 10346511 2021-03-17 op tab = tab_by_id(imsg->hdr.peerid);
120 984245ce 2021-06-23 op if (tab->proxy != NULL) {
121 984245ce 2021-06-23 op host = tab->proxy->host;
122 984245ce 2021-06-23 op port = tab->proxy->port;
124 984245ce 2021-06-23 op host = tab->uri.host;
125 984245ce 2021-06-23 op port = tab->uri.port;
128 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
129 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
130 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
131 cbcc75fb 2021-03-17 op * the certs! */
132 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
135 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
136 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
138 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
139 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
140 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
141 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
143 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
144 3768e50f 2021-04-25 op tofu_add(&certs, e);
145 3a227e9a 2021-03-18 op imsg_compose(fsibuf, IMSG_SAVE_CERT, tab->id, 0, -1,
146 3a227e9a 2021-03-18 op e, sizeof(*e));
147 3a227e9a 2021-03-18 op imsg_flush(fsibuf);
149 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
151 5d1bac73 2021-03-25 op if (tofu_res) {
152 a2fd3805 2021-07-06 op if (e->verified == -1)
153 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
154 a2fd3805 2021-07-06 op else if (e->verified == 1)
155 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
157 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
159 5d1bac73 2021-03-25 op imsg_compose(netibuf, IMSG_CERT_STATUS, imsg->hdr.peerid, 0, -1,
160 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
161 5d1bac73 2021-03-25 op imsg_flush(netibuf);
163 cbcc75fb 2021-03-17 op tab->trust = TS_UNTRUSTED;
164 cbcc75fb 2021-03-17 op load_page_from_str(tab, "# Certificate mismatch\n");
165 288fd238 2021-04-25 op if ((tab->cert = strdup(hash)) == NULL)
167 5d1bac73 2021-03-25 op ui_yornp("Certificate mismatch. Proceed?",
168 a2fd3805 2021-07-06 op handle_check_cert_user_choice, tab);
173 a2fd3805 2021-07-06 op handle_check_cert_user_choice(int accept, struct tab *tab)
175 a2fd3805 2021-07-06 op imsg_compose(netibuf, IMSG_CERT_STATUS, tab->id, 0, -1,
176 5d1bac73 2021-03-25 op &accept, sizeof(accept));
177 1b8a4bbf 2021-03-12 op imsg_flush(netibuf);
179 a2fd3805 2021-07-06 op if (accept) {
181 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
182 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
183 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
184 a2fd3805 2021-07-06 op * tabid (one request == one tab id) and crash. It
185 a2fd3805 2021-07-06 op * also makes sense to save it for the current session
186 a2fd3805 2021-07-06 op * if the user accepted it.
188 a2fd3805 2021-07-06 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port, tab->cert);
190 288fd238 2021-04-25 op ui_yornp("Save the new certificate?",
191 a2fd3805 2021-07-06 op handle_maybe_save_new_cert, tab);
193 288fd238 2021-04-25 op free(tab->cert);
194 288fd238 2021-04-25 op tab->cert = NULL;
199 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
201 288fd238 2021-04-25 op struct tofu_entry *e;
202 984245ce 2021-06-23 op const char *host, *port;
204 984245ce 2021-06-23 op if (tab->proxy != NULL) {
205 984245ce 2021-06-23 op host = tab->proxy->host;
206 984245ce 2021-06-23 op port = tab->proxy->port;
208 984245ce 2021-06-23 op host = tab->uri.host;
209 984245ce 2021-06-23 op port = tab->uri.port;
215 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
218 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
219 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
220 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
221 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
223 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
224 288fd238 2021-04-25 op imsg_compose(fsibuf, IMSG_UPDATE_CERT, 0, 0, -1, e, sizeof(*e));
225 288fd238 2021-04-25 op imsg_flush(fsibuf);
227 288fd238 2021-04-25 op tofu_update(&certs, e);
229 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
232 288fd238 2021-04-25 op free(tab->cert);
233 288fd238 2021-04-25 op tab->cert = NULL;
236 5cd2ebb1 2021-03-11 op static inline int
237 5cd2ebb1 2021-03-11 op normalize_code(int n)
239 5cd2ebb1 2021-03-11 op if (n < 20) {
240 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
243 5cd2ebb1 2021-03-11 op } else if (n < 30) {
245 5cd2ebb1 2021-03-11 op } else if (n < 40) {
246 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
249 5cd2ebb1 2021-03-11 op } else if (n < 50) {
253 5cd2ebb1 2021-03-11 op } else if (n < 60) {
254 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
257 5cd2ebb1 2021-03-11 op } else if (n < 70) {
262 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
266 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
268 0972d8b2 2021-03-02 op struct tab *tab;
270 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
272 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
275 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
276 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
277 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
278 0972d8b2 2021-03-02 op tab->redirect_count = 0;
282 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
284 0972d8b2 2021-03-02 op struct tab *tab;
286 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
288 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
291 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
293 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
294 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
295 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
296 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
297 5cd2ebb1 2021-03-11 op ui_require_input(tab, tab->code == 11);
298 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
299 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
300 1b8a4bbf 2021-03-12 op imsg_compose(netibuf, IMSG_PROCEED, tab->id, 0, -1, NULL, 0);
301 1b8a4bbf 2021-03-12 op imsg_flush(netibuf);
303 c07ac996 2021-03-12 op load_page_from_str(tab, err_pages[UNKNOWN_TYPE_OR_CSET]);
304 de2a69bb 2021-05-17 op ui_yornp("Can't display page, wanna save?",
305 a2fd3805 2021-07-06 op handle_maybe_save_page, tab);
307 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
308 3a9b9365 2021-03-09 op tab->redirect_count++;
310 3a9b9365 2021-03-09 op /* TODO: make customizable? */
311 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
312 3a9b9365 2021-03-09 op load_page_from_str(tab,
313 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
315 2051e653 2021-03-13 op do_load_url(tab, tab->meta);
316 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
317 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
322 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
325 a2fd3805 2021-07-06 op ui_read("Save to path", handle_save_page_path, tab->id);
327 a2fd3805 2021-07-06 op stop_tab(tab);
331 de2a69bb 2021-05-17 op handle_save_page_path(const char *path, unsigned int tabid)
333 de2a69bb 2021-05-17 op struct tab *tab;
335 de2a69bb 2021-05-17 op if (path == NULL) {
336 de2a69bb 2021-05-17 op stop_tab(tab_by_id(tabid));
340 de2a69bb 2021-05-17 op tab = tab_by_id(tabid);
341 de2a69bb 2021-05-17 op tab->path = strdup(path);
343 de2a69bb 2021-05-17 op imsg_compose(fsibuf, IMSG_FILE_OPEN, tabid, 0, -1, path, strlen(path)+1);
344 de2a69bb 2021-05-17 op imsg_flush(fsibuf);
348 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
350 de2a69bb 2021-05-17 op struct tab *tab;
352 de2a69bb 2021-05-17 op const char *e;
355 de2a69bb 2021-05-17 op tab = tab_by_id(imsg->hdr.peerid);
357 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
358 de2a69bb 2021-05-17 op stop_tab(tab);
360 de2a69bb 2021-05-17 op e = imsg->data;
361 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
363 de2a69bb 2021-05-17 op l = asprintf(&page, "# Can't open file\n\n> %s: %s\n",
364 de2a69bb 2021-05-17 op tab->path, e);
367 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
370 de2a69bb 2021-05-17 op tab->fd = imsg->fd;
371 de2a69bb 2021-05-17 op imsg_compose(netibuf, IMSG_PROCEED, tab->id, 0, -1, NULL, 0);
372 de2a69bb 2021-05-17 op imsg_flush(netibuf);
377 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
379 0972d8b2 2021-03-02 op struct tab *tab;
381 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
383 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
385 de2a69bb 2021-05-17 op tab->bytes += datalen;
386 de2a69bb 2021-05-17 op if (tab->fd == -1) {
387 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page,
388 de2a69bb 2021-05-17 op imsg->data, datalen))
391 de2a69bb 2021-05-17 op write(tab->fd, imsg->data, datalen);
392 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
393 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saving to \"%s\"... (%s)\n",
398 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
402 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
406 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
408 2ba66cea 2021-03-22 op struct tab *tab;
410 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
412 2ba66cea 2021-03-22 op tab = tab_by_id(imsg->hdr.peerid);
414 de2a69bb 2021-05-17 op if (tab->fd == -1) {
415 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
418 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
419 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saved to \"%s\" (%s)\n",
424 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
427 de2a69bb 2021-05-17 op close(tab->fd);
428 de2a69bb 2021-05-17 op tab->fd = -1;
429 de2a69bb 2021-05-17 op free(tab->path);
430 de2a69bb 2021-05-17 op tab->path = NULL;
433 2ba66cea 2021-03-22 op ui_on_tab_refresh(tab);
434 2ba66cea 2021-03-22 op ui_on_tab_loaded(tab);
438 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
442 740f578b 2021-03-15 op if (datalen != sizeof(res))
445 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
446 740f578b 2021-03-15 op if (res == 0)
447 7f963c41 2021-06-20 op message("Added to bookmarks!");
449 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
450 740f578b 2021-03-15 op strerror(res));
454 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
458 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
460 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
461 3a227e9a 2021-03-18 op if (res != 0)
462 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
463 3a227e9a 2021-03-18 op strerror(res));
467 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
471 288fd238 2021-04-25 op if (datalen != sizeof(res))
473 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
475 7f963c41 2021-06-20 op message("Failed to update the certificate");
479 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
481 35e1f40a 2021-03-14 op struct imsgbuf *ibuf = d;
482 1304bbdd 2021-03-15 op dispatch_imsg(ibuf, handlers, sizeof(handlers));
486 0972d8b2 2021-03-02 op load_page_from_str(struct tab *tab, const char *page)
488 00ccb53d 2021-07-01 op erase_buffer(&tab->buffer);
489 46f6e974 2021-05-17 op gemtext_initparser(&tab->buffer.page);
490 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page, page, strlen(page)))
492 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
494 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
495 8af5e5ed 2021-03-08 op ui_on_tab_loaded(tab);
499 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
501 10346511 2021-03-17 op tab->trust = TS_VERIFIED;
503 46f6e974 2021-05-17 op gemtext_initparser(&tab->buffer.page);
505 35e1f40a 2021-03-14 op imsg_compose(fsibuf, IMSG_GET, tab->id, 0, -1,
506 31f1a758 2021-04-22 op tab->hist_cur->h, strlen(tab->hist_cur->h)+1);
507 35e1f40a 2021-03-14 op imsg_flush(fsibuf);
511 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
513 984245ce 2021-06-23 op struct get_req req;
515 2eef3403 2021-04-22 op stop_tab(tab);
516 2eef3403 2021-04-22 op tab->id = tab_new_id();
518 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
519 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
520 984245ce 2021-06-23 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
522 984245ce 2021-06-23 op strlcpy(req.req, tab->hist_cur->h, sizeof(req.req));
523 984245ce 2021-06-23 op strlcat(req.req, "\r\n", sizeof(req.req));
525 984245ce 2021-06-23 op req.proto = PROTO_GEMINI;
527 984245ce 2021-06-23 op imsg_compose(netibuf, IMSG_GET_RAW, tab->id, 0, -1,
528 984245ce 2021-06-23 op &req, sizeof(req));
529 1b8a4bbf 2021-03-12 op imsg_flush(netibuf);
533 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
535 984245ce 2021-06-23 op struct get_req req;
537 984245ce 2021-06-23 op stop_tab(tab);
538 984245ce 2021-06-23 op tab->id = tab_new_id();
539 984245ce 2021-06-23 op tab->proxy = p;
541 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
542 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
543 984245ce 2021-06-23 op strlcpy(req.port, p->port, sizeof(req.host));
545 984245ce 2021-06-23 op strlcpy(req.req, tab->hist_cur->h, sizeof(req.req));
546 984245ce 2021-06-23 op strlcat(req.req, "\r\n", sizeof(req.req));
548 984245ce 2021-06-23 op req.proto = p->proto;
550 984245ce 2021-06-23 op imsg_compose(netibuf, IMSG_GET_RAW, tab->id, 0, -1,
551 984245ce 2021-06-23 op &req, sizeof(req));
552 984245ce 2021-06-23 op imsg_flush(netibuf);
556 2051e653 2021-03-13 op do_load_url(struct tab *tab, const char *url)
558 31f1a758 2021-04-22 op struct phos_uri uri;
559 31f1a758 2021-04-22 op struct proto *p;
560 984245ce 2021-06-23 op struct proxy *proxy;
563 7943bb81 2021-07-10 op tab->proxy = NULL;
565 de2a69bb 2021-05-17 op if (tab->fd != -1) {
566 de2a69bb 2021-05-17 op close(tab->fd);
567 de2a69bb 2021-05-17 op tab->fd = -1;
568 de2a69bb 2021-05-17 op free(tab->path);
569 de2a69bb 2021-05-17 op tab->path = NULL;
572 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
574 31f1a758 2021-04-22 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
575 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
576 31f1a758 2021-04-22 op if (asprintf(&t, "#error loading %s\n>%s\n",
577 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
579 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
580 31f1a758 2021-04-22 op load_page_from_str(tab, t);
585 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
586 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
588 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
589 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
590 4d3785b1 2021-03-09 op p->loadfn(tab, url);
595 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
596 984245ce 2021-06-23 op if (!strcmp(tab->uri.scheme, proxy->match_proto)) {
597 984245ce 2021-06-23 op load_via_proxy(tab, url, proxy);
602 4d3785b1 2021-03-09 op protos[0].loadfn(tab, url);
606 2051e653 2021-03-13 op load_url(struct tab *tab, const char *url)
608 2051e653 2021-03-13 op if (tab->hist_cur != NULL)
609 2051e653 2021-03-13 op hist_clear_forward(&tab->hist, TAILQ_NEXT(tab->hist_cur, entries));
611 2051e653 2021-03-13 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur))) == NULL) {
612 2051e653 2021-03-13 op event_loopbreak();
616 2051e653 2021-03-13 op hist_push(&tab->hist, tab->hist_cur);
617 2051e653 2021-03-13 op do_load_url(tab, url);
618 bca92a4c 2021-07-01 op erase_buffer(&tab->buffer);
622 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
624 2051e653 2021-03-13 op struct hist *h;
626 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
628 2051e653 2021-03-13 op tab->hist_cur = h;
629 2051e653 2021-03-13 op do_load_url(tab, h->h);
634 2051e653 2021-03-13 op load_next_page(struct tab *tab)
636 2051e653 2021-03-13 op struct hist *h;
638 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
640 2051e653 2021-03-13 op tab->hist_cur = h;
641 2051e653 2021-03-13 op do_load_url(tab, h->h);
646 9ad4627d 2021-03-10 op stop_tab(struct tab *tab)
648 1b8a4bbf 2021-03-12 op imsg_compose(netibuf, IMSG_STOP, tab->id, 0, -1, NULL, 0);
649 1b8a4bbf 2021-03-12 op imsg_flush(netibuf);
651 de2a69bb 2021-05-17 op if (tab->fd != -1) {
652 de2a69bb 2021-05-17 op close(tab->fd);
653 de2a69bb 2021-05-17 op tab->fd = -1;
654 de2a69bb 2021-05-17 op free(tab->path);
655 de2a69bb 2021-05-17 op tab->path = NULL;
656 de2a69bb 2021-05-17 op load_page_from_str(tab, "Stopped.\n");
661 740f578b 2021-03-15 op add_to_bookmarks(const char *str)
663 740f578b 2021-03-15 op imsg_compose(fsibuf, IMSG_BOOKMARK_PAGE, 0, 0, -1, str, strlen(str)+1);
664 c7107cec 2021-04-01 op imsg_flush(fsibuf);
668 c7107cec 2021-04-01 op save_session(void)
670 c7107cec 2021-04-01 op struct tab *tab;
672 c7107cec 2021-04-01 op imsg_compose(fsibuf, IMSG_SESSION_START, 0, 0, -1, NULL, 0);
673 c7107cec 2021-04-01 op imsg_flush(fsibuf);
675 c7107cec 2021-04-01 op TAILQ_FOREACH(tab, &tabshead, tabs) {
676 c7107cec 2021-04-01 op imsg_compose(fsibuf, IMSG_SESSION_TAB, 0, 0, -1,
677 c7107cec 2021-04-01 op tab->hist_cur->h, strlen(tab->hist_cur->h)+1);
678 c7107cec 2021-04-01 op imsg_flush(fsibuf);
681 c7107cec 2021-04-01 op imsg_compose(fsibuf, IMSG_SESSION_END, 0, 0, -1, NULL, 0);
682 740f578b 2021-03-15 op imsg_flush(fsibuf);
686 d2544989 2021-07-08 op session_new_tab_cb(const char *url)
688 d2544989 2021-07-08 op new_tab(url);
692 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
694 6cc5fcfe 2021-07-08 op const char *argv[4];
695 6cc5fcfe 2021-07-08 op int argc = 0;
698 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
708 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
709 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
711 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
713 6cc5fcfe 2021-07-08 op case PROC_UI:
714 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
715 6cc5fcfe 2021-07-08 op case PROC_FS:
716 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
718 6cc5fcfe 2021-07-08 op case PROC_NET:
719 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
723 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
724 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
725 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
728 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
731 d2544989 2021-07-08 op fprintf(stderr, "USAGE: %s [-hn] [-c config] [url]\n", getprogname());
732 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
737 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
739 d2544989 2021-07-08 op struct imsgbuf network_ibuf, fs_ibuf;
740 d2544989 2021-07-08 op int net_fds[2], fs_fds[2];
741 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
742 d2544989 2021-07-08 op int has_url = 0;
743 6cc5fcfe 2021-07-08 op int proc = -1;
744 d2544989 2021-07-08 op char path[PATH_MAX];
745 6cc5fcfe 2021-07-08 op const char *url = NEW_TAB_URL;
746 6cc5fcfe 2021-07-08 op const char *argv0;
748 6cc5fcfe 2021-07-08 op argv0 = argv[0];
750 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
751 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
753 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
754 d2544989 2021-07-08 op enable_colors = 0;
756 d2544989 2021-07-08 op strlcpy(path, getenv("HOME"), sizeof(path));
757 d2544989 2021-07-08 op strlcat(path, "/.telescope/config", sizeof(path));
759 6cc5fcfe 2021-07-08 op while ((ch = getopt(argc, argv, "c:hnT:")) != -1) {
760 d2544989 2021-07-08 op switch (ch) {
763 d2544989 2021-07-08 op strlcpy(path, optarg, sizeof(path));
766 d2544989 2021-07-08 op configtest = 1;
771 6cc5fcfe 2021-07-08 op switch (*optarg) {
773 6cc5fcfe 2021-07-08 op proc = PROC_FS;
776 6cc5fcfe 2021-07-08 op proc = PROC_NET;
779 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
788 d2544989 2021-07-08 op argc -= optind;
789 d2544989 2021-07-08 op argv += optind;
791 6cc5fcfe 2021-07-08 op if (proc != -1) {
792 6cc5fcfe 2021-07-08 op if (argc > 0)
794 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
795 6cc5fcfe 2021-07-08 op return fs_main();
796 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
797 6cc5fcfe 2021-07-08 op return client_main();
802 d2544989 2021-07-08 op if (argc != 0) {
804 d2544989 2021-07-08 op url = argv[0];
807 d5bdf203 2021-07-08 op /* setup keys before reading the config */
808 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
809 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
810 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
812 d2544989 2021-07-08 op config_init();
813 d2544989 2021-07-08 op parseconfig(path, fail);
814 d2544989 2021-07-08 op if (configtest){
815 d2544989 2021-07-08 op puts("config OK");
819 6cc5fcfe 2021-07-08 op /* Start children. */
820 35e1f40a 2021-03-14 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, fs_fds) == -1)
821 5e11c00c 2021-03-02 op err(1, "socketpair");
822 6cc5fcfe 2021-07-08 op start_child(PROC_FS, argv0, fs_fds[1]);
823 6cc5fcfe 2021-07-08 op imsg_init(&fs_ibuf, fs_fds[0]);
824 6cc5fcfe 2021-07-08 op fsibuf = &fs_ibuf;
826 35e1f40a 2021-03-14 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, net_fds) == -1)
827 35e1f40a 2021-03-14 op err(1, "socketpair");
828 6cc5fcfe 2021-07-08 op start_child(PROC_NET, argv0, net_fds[1]);
829 6cc5fcfe 2021-07-08 op imsg_init(&network_ibuf, net_fds[0]);
830 6cc5fcfe 2021-07-08 op netibuf = &network_ibuf;
832 37d429b0 2021-04-01 op setproctitle("ui");
834 6cc5fcfe 2021-07-08 op /* initialize tofu & load certificates */
836 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
837 3a227e9a 2021-03-18 op load_certs(&certs);
839 5e11c00c 2021-03-02 op event_init();
841 4ad01575 2021-06-13 op event_set(&netev, netibuf->fd, EV_READ | EV_PERSIST,
842 4ad01575 2021-06-13 op handle_dispatch_imsg, netibuf);
843 35e1f40a 2021-03-14 op event_add(&netev, NULL);
845 4ad01575 2021-06-13 op event_set(&fsev, fsibuf->fd, EV_READ | EV_PERSIST,
846 4ad01575 2021-06-13 op handle_dispatch_imsg, fsibuf);
847 35e1f40a 2021-03-14 op event_add(&fsev, NULL);
849 d2544989 2021-07-08 op if (ui_init()) {
850 d2544989 2021-07-08 op load_last_session(session_new_tab_cb);
851 d2544989 2021-07-08 op if (has_url || TAILQ_EMPTY(&tabshead))
852 d2544989 2021-07-08 op new_tab(url);
854 941b3761 2021-03-18 op sandbox_ui_process();
855 941b3761 2021-03-18 op event_dispatch();
859 1b8a4bbf 2021-03-12 op imsg_compose(netibuf, IMSG_QUIT, 0, 0, -1, NULL, 0);
860 1b8a4bbf 2021-03-12 op imsg_flush(netibuf);
862 35e1f40a 2021-03-14 op imsg_compose(fsibuf, IMSG_QUIT, 0, 0, -1, NULL, 0);
863 35e1f40a 2021-03-14 op imsg_flush(fsibuf);