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 5a824be4 2021-07-13 op #include "pages.h"
12 395b9f4e 2021-07-12 op #include "parser.h"
13 395b9f4e 2021-07-12 op #include "telescope.h"
14 d1a0f2a3 2021-07-12 op #include "ui.h"
16 bc10f6a5 2021-07-12 op static struct imsgev *iev_fs, *iev_net;
18 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
19 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
21 6cc5fcfe 2021-07-08 op enum telescope_process {
27 c07ac996 2021-03-12 op /* the first is also the fallback one */
28 c07ac996 2021-03-12 op static struct proto protos[] = {
29 31f1a758 2021-04-22 op { "gemini", load_gemini_url },
30 31f1a758 2021-04-22 op { "about", load_about_url },
31 4d3785b1 2021-03-09 op { NULL, NULL },
34 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
35 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
36 2051e653 2021-03-13 op static void handle_imsg_err(struct imsg*, size_t);
37 2051e653 2021-03-13 op static void handle_imsg_check_cert(struct imsg*, size_t);
38 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
39 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
40 2051e653 2021-03-13 op static void handle_imsg_got_code(struct imsg*, size_t);
41 2051e653 2021-03-13 op static void handle_imsg_got_meta(struct imsg*, size_t);
42 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
43 de2a69bb 2021-05-17 op static void handle_save_page_path(const char *, unsigned int);
44 de2a69bb 2021-05-17 op static void handle_imsg_file_opened(struct imsg*, size_t);
45 2051e653 2021-03-13 op static void handle_imsg_buf(struct imsg*, size_t);
46 2051e653 2021-03-13 op static void handle_imsg_eof(struct imsg*, size_t);
47 740f578b 2021-03-15 op static void handle_imsg_bookmark_ok(struct imsg*, size_t);
48 3a227e9a 2021-03-18 op static void handle_imsg_save_cert_ok(struct imsg*, size_t);
49 288fd238 2021-04-25 op static void handle_imsg_update_cert_ok(struct imsg *, size_t);
50 1304bbdd 2021-03-15 op static void handle_dispatch_imsg(int, short, void*);
51 2051e653 2021-03-13 op static void load_page_from_str(struct tab*, const char*);
52 2051e653 2021-03-13 op static void do_load_url(struct tab*, const char*);
53 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
54 bc10f6a5 2021-07-12 op static int ui_send_net(int, uint32_t, const void *, uint16_t);
55 bc10f6a5 2021-07-12 op static int ui_send_fs(int, uint32_t, const void *, uint16_t);
57 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
58 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
59 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
60 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
61 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
62 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
63 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
64 740f578b 2021-03-15 op [IMSG_BOOKMARK_OK] = handle_imsg_bookmark_ok,
65 3a227e9a 2021-03-18 op [IMSG_SAVE_CERT_OK] = handle_imsg_save_cert_ok,
66 288fd238 2021-04-25 op [IMSG_UPDATE_CERT_OK] = handle_imsg_update_cert_ok,
67 de2a69bb 2021-05-17 op [IMSG_FILE_OPENED] = handle_imsg_file_opened,
70 cbcc75fb 2021-03-17 op static struct ohash certs;
72 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
75 5e11c00c 2021-03-02 op abort(); /* TODO */
78 5e11c00c 2021-03-02 op static struct tab *
79 5e11c00c 2021-03-02 op tab_by_id(uint32_t id)
81 5e11c00c 2021-03-02 op struct tab *t;
83 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
84 5e11c00c 2021-03-02 op if (t->id == id)
92 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
94 3a9b9365 2021-03-09 op struct tab *tab;
97 3a9b9365 2021-03-09 op tab = tab_by_id(imsg->hdr.peerid);
99 3a9b9365 2021-03-09 op page = imsg->data;
100 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
102 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
103 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
105 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
110 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
112 984245ce 2021-06-23 op const char *hash, *host, *port;
113 cbcc75fb 2021-03-17 op int tofu_res;
114 cbcc75fb 2021-03-17 op struct tofu_entry *e;
115 cbcc75fb 2021-03-17 op struct tab *tab;
117 cbcc75fb 2021-03-17 op hash = imsg->data;
118 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
121 10346511 2021-03-17 op tab = tab_by_id(imsg->hdr.peerid);
123 984245ce 2021-06-23 op if (tab->proxy != NULL) {
124 984245ce 2021-06-23 op host = tab->proxy->host;
125 984245ce 2021-06-23 op port = tab->proxy->port;
127 984245ce 2021-06-23 op host = tab->uri.host;
128 984245ce 2021-06-23 op port = tab->uri.port;
131 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
132 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
133 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
134 cbcc75fb 2021-03-17 op * the certs! */
135 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
138 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
139 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
141 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
142 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
143 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
144 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
146 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
147 3768e50f 2021-04-25 op tofu_add(&certs, e);
148 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SAVE_CERT, tab->id, e, sizeof(*e));
150 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
152 5d1bac73 2021-03-25 op if (tofu_res) {
153 a2fd3805 2021-07-06 op if (e->verified == -1)
154 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
155 a2fd3805 2021-07-06 op else if (e->verified == 1)
156 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
158 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
160 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, imsg->hdr.peerid,
161 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
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 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, tab->id, &accept,
176 bc10f6a5 2021-07-12 op sizeof(accept));
178 a2fd3805 2021-07-06 op if (accept) {
180 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
181 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
182 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
183 a2fd3805 2021-07-06 op * tabid (one request == one tab id) and crash. It
184 a2fd3805 2021-07-06 op * also makes sense to save it for the current session
185 a2fd3805 2021-07-06 op * if the user accepted it.
187 a2fd3805 2021-07-06 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port, tab->cert);
189 288fd238 2021-04-25 op ui_yornp("Save the new certificate?",
190 a2fd3805 2021-07-06 op handle_maybe_save_new_cert, tab);
192 288fd238 2021-04-25 op free(tab->cert);
193 288fd238 2021-04-25 op tab->cert = NULL;
198 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
200 288fd238 2021-04-25 op struct tofu_entry *e;
201 984245ce 2021-06-23 op const char *host, *port;
203 984245ce 2021-06-23 op if (tab->proxy != NULL) {
204 984245ce 2021-06-23 op host = tab->proxy->host;
205 984245ce 2021-06-23 op port = tab->proxy->port;
207 984245ce 2021-06-23 op host = tab->uri.host;
208 984245ce 2021-06-23 op port = tab->uri.port;
214 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
217 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
218 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
219 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
220 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
222 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
223 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_UPDATE_CERT, 0, e, sizeof(*e));
225 288fd238 2021-04-25 op tofu_update(&certs, e);
227 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
230 288fd238 2021-04-25 op free(tab->cert);
231 288fd238 2021-04-25 op tab->cert = NULL;
234 5cd2ebb1 2021-03-11 op static inline int
235 5cd2ebb1 2021-03-11 op normalize_code(int n)
237 5cd2ebb1 2021-03-11 op if (n < 20) {
238 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
241 5cd2ebb1 2021-03-11 op } else if (n < 30) {
243 5cd2ebb1 2021-03-11 op } else if (n < 40) {
244 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
247 5cd2ebb1 2021-03-11 op } else if (n < 50) {
251 5cd2ebb1 2021-03-11 op } else if (n < 60) {
252 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
255 5cd2ebb1 2021-03-11 op } else if (n < 70) {
260 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
264 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
266 0972d8b2 2021-03-02 op struct tab *tab;
268 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
270 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
273 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
274 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
275 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
276 0972d8b2 2021-03-02 op tab->redirect_count = 0;
280 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
282 0972d8b2 2021-03-02 op struct tab *tab;
284 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
286 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
289 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
291 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
292 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
293 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
294 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
295 5cd2ebb1 2021-03-11 op ui_require_input(tab, tab->code == 11);
296 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
297 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
298 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
300 c07ac996 2021-03-12 op load_page_from_str(tab, err_pages[UNKNOWN_TYPE_OR_CSET]);
301 de2a69bb 2021-05-17 op ui_yornp("Can't display page, wanna save?",
302 a2fd3805 2021-07-06 op handle_maybe_save_page, tab);
304 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
305 3a9b9365 2021-03-09 op tab->redirect_count++;
307 3a9b9365 2021-03-09 op /* TODO: make customizable? */
308 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
309 3a9b9365 2021-03-09 op load_page_from_str(tab,
310 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
312 2051e653 2021-03-13 op do_load_url(tab, tab->meta);
313 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
314 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
319 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
322 a2fd3805 2021-07-06 op ui_read("Save to path", handle_save_page_path, tab->id);
324 a2fd3805 2021-07-06 op stop_tab(tab);
328 de2a69bb 2021-05-17 op handle_save_page_path(const char *path, unsigned int tabid)
330 de2a69bb 2021-05-17 op struct tab *tab;
332 de2a69bb 2021-05-17 op if (path == NULL) {
333 de2a69bb 2021-05-17 op stop_tab(tab_by_id(tabid));
337 de2a69bb 2021-05-17 op tab = tab_by_id(tabid);
338 de2a69bb 2021-05-17 op tab->path = strdup(path);
340 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_FILE_OPEN, tabid, path, strlen(path)+1);
344 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
346 de2a69bb 2021-05-17 op struct tab *tab;
348 de2a69bb 2021-05-17 op const char *e;
351 de2a69bb 2021-05-17 op tab = tab_by_id(imsg->hdr.peerid);
353 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
354 de2a69bb 2021-05-17 op stop_tab(tab);
356 de2a69bb 2021-05-17 op e = imsg->data;
357 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
359 de2a69bb 2021-05-17 op l = asprintf(&page, "# Can't open file\n\n> %s: %s\n",
360 de2a69bb 2021-05-17 op tab->path, e);
363 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
366 de2a69bb 2021-05-17 op tab->fd = imsg->fd;
367 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
372 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
374 0972d8b2 2021-03-02 op struct tab *tab;
376 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
378 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
380 de2a69bb 2021-05-17 op tab->bytes += datalen;
381 de2a69bb 2021-05-17 op if (tab->fd == -1) {
382 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page,
383 de2a69bb 2021-05-17 op imsg->data, datalen))
386 de2a69bb 2021-05-17 op write(tab->fd, imsg->data, datalen);
387 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
388 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saving to \"%s\"... (%s)\n",
393 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
397 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
401 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
403 2ba66cea 2021-03-22 op struct tab *tab;
405 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
407 2ba66cea 2021-03-22 op tab = tab_by_id(imsg->hdr.peerid);
409 de2a69bb 2021-05-17 op if (tab->fd == -1) {
410 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
413 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
414 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saved to \"%s\" (%s)\n",
419 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
422 de2a69bb 2021-05-17 op close(tab->fd);
423 de2a69bb 2021-05-17 op tab->fd = -1;
424 de2a69bb 2021-05-17 op free(tab->path);
425 de2a69bb 2021-05-17 op tab->path = NULL;
428 2ba66cea 2021-03-22 op ui_on_tab_refresh(tab);
429 2ba66cea 2021-03-22 op ui_on_tab_loaded(tab);
433 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
437 740f578b 2021-03-15 op if (datalen != sizeof(res))
440 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
441 740f578b 2021-03-15 op if (res == 0)
442 7f963c41 2021-06-20 op message("Added to bookmarks!");
444 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
445 740f578b 2021-03-15 op strerror(res));
449 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
453 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
455 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
456 3a227e9a 2021-03-18 op if (res != 0)
457 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
458 3a227e9a 2021-03-18 op strerror(res));
462 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
466 288fd238 2021-04-25 op if (datalen != sizeof(res))
468 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
470 7f963c41 2021-06-20 op message("Failed to update the certificate");
474 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
476 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
477 bc10f6a5 2021-07-12 op dispatch_imsg(iev, ev, handlers, sizeof(handlers));
481 0972d8b2 2021-03-02 op load_page_from_str(struct tab *tab, const char *page)
483 00ccb53d 2021-07-01 op erase_buffer(&tab->buffer);
484 46f6e974 2021-05-17 op gemtext_initparser(&tab->buffer.page);
485 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page, page, strlen(page)))
487 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
489 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
490 8af5e5ed 2021-03-08 op ui_on_tab_loaded(tab);
494 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
496 10346511 2021-03-17 op tab->trust = TS_VERIFIED;
498 46f6e974 2021-05-17 op gemtext_initparser(&tab->buffer.page);
500 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_GET, tab->id,
501 31f1a758 2021-04-22 op tab->hist_cur->h, strlen(tab->hist_cur->h)+1);
505 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
507 984245ce 2021-06-23 op struct get_req req;
509 2eef3403 2021-04-22 op stop_tab(tab);
510 2eef3403 2021-04-22 op tab->id = tab_new_id();
512 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
513 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
514 984245ce 2021-06-23 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
516 984245ce 2021-06-23 op strlcpy(req.req, tab->hist_cur->h, sizeof(req.req));
517 984245ce 2021-06-23 op strlcat(req.req, "\r\n", sizeof(req.req));
519 984245ce 2021-06-23 op req.proto = PROTO_GEMINI;
521 bc10f6a5 2021-07-12 op ui_send_net(IMSG_GET_RAW, tab->id,
522 984245ce 2021-06-23 op &req, sizeof(req));
526 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
528 984245ce 2021-06-23 op struct get_req req;
530 984245ce 2021-06-23 op stop_tab(tab);
531 984245ce 2021-06-23 op tab->id = tab_new_id();
532 984245ce 2021-06-23 op tab->proxy = p;
534 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
535 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
536 984245ce 2021-06-23 op strlcpy(req.port, p->port, sizeof(req.host));
538 984245ce 2021-06-23 op strlcpy(req.req, tab->hist_cur->h, sizeof(req.req));
539 984245ce 2021-06-23 op strlcat(req.req, "\r\n", sizeof(req.req));
541 984245ce 2021-06-23 op req.proto = p->proto;
543 bc10f6a5 2021-07-12 op ui_send_net(IMSG_GET_RAW, tab->id,
544 984245ce 2021-06-23 op &req, sizeof(req));
548 2051e653 2021-03-13 op do_load_url(struct tab *tab, const char *url)
550 31f1a758 2021-04-22 op struct phos_uri uri;
551 31f1a758 2021-04-22 op struct proto *p;
552 984245ce 2021-06-23 op struct proxy *proxy;
555 7943bb81 2021-07-10 op tab->proxy = NULL;
557 de2a69bb 2021-05-17 op if (tab->fd != -1) {
558 de2a69bb 2021-05-17 op close(tab->fd);
559 de2a69bb 2021-05-17 op tab->fd = -1;
560 de2a69bb 2021-05-17 op free(tab->path);
561 de2a69bb 2021-05-17 op tab->path = NULL;
564 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
566 31f1a758 2021-04-22 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
567 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
568 31f1a758 2021-04-22 op if (asprintf(&t, "#error loading %s\n>%s\n",
569 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
571 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
572 31f1a758 2021-04-22 op load_page_from_str(tab, t);
577 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
578 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
580 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
581 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
582 4d3785b1 2021-03-09 op p->loadfn(tab, url);
587 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
588 984245ce 2021-06-23 op if (!strcmp(tab->uri.scheme, proxy->match_proto)) {
589 984245ce 2021-06-23 op load_via_proxy(tab, url, proxy);
594 4d3785b1 2021-03-09 op protos[0].loadfn(tab, url);
598 2051e653 2021-03-13 op load_url(struct tab *tab, const char *url)
600 2051e653 2021-03-13 op if (tab->hist_cur != NULL)
601 2051e653 2021-03-13 op hist_clear_forward(&tab->hist, TAILQ_NEXT(tab->hist_cur, entries));
603 2051e653 2021-03-13 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur))) == NULL) {
604 2051e653 2021-03-13 op event_loopbreak();
608 2051e653 2021-03-13 op hist_push(&tab->hist, tab->hist_cur);
609 2051e653 2021-03-13 op do_load_url(tab, url);
610 bca92a4c 2021-07-01 op erase_buffer(&tab->buffer);
614 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
616 2051e653 2021-03-13 op struct hist *h;
618 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
620 2051e653 2021-03-13 op tab->hist_cur = h;
621 2051e653 2021-03-13 op do_load_url(tab, h->h);
626 2051e653 2021-03-13 op load_next_page(struct tab *tab)
628 2051e653 2021-03-13 op struct hist *h;
630 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
632 2051e653 2021-03-13 op tab->hist_cur = h;
633 2051e653 2021-03-13 op do_load_url(tab, h->h);
638 9ad4627d 2021-03-10 op stop_tab(struct tab *tab)
640 bc10f6a5 2021-07-12 op ui_send_net(IMSG_STOP, tab->id, NULL, 0);
642 de2a69bb 2021-05-17 op if (tab->fd != -1) {
643 de2a69bb 2021-05-17 op close(tab->fd);
644 de2a69bb 2021-05-17 op tab->fd = -1;
645 de2a69bb 2021-05-17 op free(tab->path);
646 de2a69bb 2021-05-17 op tab->path = NULL;
647 de2a69bb 2021-05-17 op load_page_from_str(tab, "Stopped.\n");
652 740f578b 2021-03-15 op add_to_bookmarks(const char *str)
654 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_BOOKMARK_PAGE, 0,
655 bc10f6a5 2021-07-12 op str, strlen(str)+1);
659 c7107cec 2021-04-01 op save_session(void)
661 c7107cec 2021-04-01 op struct tab *tab;
663 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_START, 0, NULL, 0);
665 c7107cec 2021-04-01 op TAILQ_FOREACH(tab, &tabshead, tabs) {
666 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_TAB, 0,
667 c7107cec 2021-04-01 op tab->hist_cur->h, strlen(tab->hist_cur->h)+1);
670 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_END, 0, NULL, 0);
674 d2544989 2021-07-08 op session_new_tab_cb(const char *url)
676 d2544989 2021-07-08 op new_tab(url);
680 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
682 6cc5fcfe 2021-07-08 op const char *argv[4];
683 6cc5fcfe 2021-07-08 op int argc = 0;
686 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
696 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
697 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
699 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
701 6cc5fcfe 2021-07-08 op case PROC_UI:
702 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
703 6cc5fcfe 2021-07-08 op case PROC_FS:
704 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
706 6cc5fcfe 2021-07-08 op case PROC_NET:
707 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
711 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
712 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
713 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
717 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
718 bc10f6a5 2021-07-12 op uint16_t datalen)
720 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
725 bc10f6a5 2021-07-12 op ui_send_fs(int type, uint32_t peerid, const void *data, uint16_t datalen)
727 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_fs, type, peerid, 0, -1, data,
731 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
734 d2544989 2021-07-08 op fprintf(stderr, "USAGE: %s [-hn] [-c config] [url]\n", getprogname());
735 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
740 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
742 bc10f6a5 2021-07-12 op struct imsgev net_ibuf, fs_ibuf;
743 bc10f6a5 2021-07-12 op int pipe2net[2], pipe2fs[2];
744 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
745 d2544989 2021-07-08 op int has_url = 0;
746 6cc5fcfe 2021-07-08 op int proc = -1;
747 d2544989 2021-07-08 op char path[PATH_MAX];
748 6cc5fcfe 2021-07-08 op const char *url = NEW_TAB_URL;
749 6cc5fcfe 2021-07-08 op const char *argv0;
751 6cc5fcfe 2021-07-08 op argv0 = argv[0];
753 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
754 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
756 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
757 d2544989 2021-07-08 op enable_colors = 0;
759 d2544989 2021-07-08 op strlcpy(path, getenv("HOME"), sizeof(path));
760 d2544989 2021-07-08 op strlcat(path, "/.telescope/config", sizeof(path));
762 6cc5fcfe 2021-07-08 op while ((ch = getopt(argc, argv, "c:hnT:")) != -1) {
763 d2544989 2021-07-08 op switch (ch) {
766 d2544989 2021-07-08 op strlcpy(path, optarg, sizeof(path));
769 d2544989 2021-07-08 op configtest = 1;
774 6cc5fcfe 2021-07-08 op switch (*optarg) {
776 6cc5fcfe 2021-07-08 op proc = PROC_FS;
779 6cc5fcfe 2021-07-08 op proc = PROC_NET;
782 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
791 d2544989 2021-07-08 op argc -= optind;
792 d2544989 2021-07-08 op argv += optind;
794 6cc5fcfe 2021-07-08 op if (proc != -1) {
795 6cc5fcfe 2021-07-08 op if (argc > 0)
797 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
798 6cc5fcfe 2021-07-08 op return fs_main();
799 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
800 6cc5fcfe 2021-07-08 op return client_main();
805 d2544989 2021-07-08 op if (argc != 0) {
807 d2544989 2021-07-08 op url = argv[0];
810 d5bdf203 2021-07-08 op /* setup keys before reading the config */
811 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
812 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
813 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
815 d2544989 2021-07-08 op config_init();
816 d2544989 2021-07-08 op parseconfig(path, fail);
817 d2544989 2021-07-08 op if (configtest){
818 d2544989 2021-07-08 op puts("config OK");
822 6cc5fcfe 2021-07-08 op /* Start children. */
823 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2fs) == -1)
824 5e11c00c 2021-03-02 op err(1, "socketpair");
825 bc10f6a5 2021-07-12 op start_child(PROC_FS, argv0, pipe2fs[1]);
826 bc10f6a5 2021-07-12 op imsg_init(&fs_ibuf.ibuf, pipe2fs[0]);
827 bc10f6a5 2021-07-12 op iev_fs = &fs_ibuf;
828 bc10f6a5 2021-07-12 op iev_fs->handler = handle_dispatch_imsg;
830 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
831 35e1f40a 2021-03-14 op err(1, "socketpair");
832 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
833 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
834 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
835 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
837 37d429b0 2021-04-01 op setproctitle("ui");
839 6cc5fcfe 2021-07-08 op /* initialize tofu & load certificates */
841 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
842 3a227e9a 2021-03-18 op load_certs(&certs);
844 5e11c00c 2021-03-02 op event_init();
846 bc10f6a5 2021-07-12 op /* Setup event handlers for pipes to fs/net */
847 bc10f6a5 2021-07-12 op iev_fs->events = EV_READ;
848 bc10f6a5 2021-07-12 op event_set(&iev_fs->ev, iev_fs->ibuf.fd, iev_fs->events,
849 bc10f6a5 2021-07-12 op iev_fs->handler, iev_fs);
850 bc10f6a5 2021-07-12 op event_add(&iev_fs->ev, NULL);
852 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
853 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
854 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
855 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
857 d2544989 2021-07-08 op if (ui_init()) {
858 d2544989 2021-07-08 op load_last_session(session_new_tab_cb);
859 d2544989 2021-07-08 op if (has_url || TAILQ_EMPTY(&tabshead))
860 d2544989 2021-07-08 op new_tab(url);
862 941b3761 2021-03-18 op sandbox_ui_process();
863 941b3761 2021-03-18 op event_dispatch();
867 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_QUIT, 0, NULL, 0);
868 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
869 3e5fd7be 2021-07-13 op imsg_flush(&iev_fs->ibuf);