1 5e11c00c 2021-03-02 op #include <sys/socket.h>
3 5e11c00c 2021-03-02 op #include <errno.h>
4 dc761924 2021-07-15 op #include <getopt.h>
5 d2544989 2021-07-08 op #include <limits.h>
6 5e11c00c 2021-03-02 op #include <signal.h>
7 5e11c00c 2021-03-02 op #include <stdio.h>
8 5e11c00c 2021-03-02 op #include <stdlib.h>
9 5e11c00c 2021-03-02 op #include <string.h>
10 5e11c00c 2021-03-02 op #include <unistd.h>
12 e659558c 2021-07-13 op #include "defaults.h"
13 5a824be4 2021-07-13 op #include "pages.h"
14 395b9f4e 2021-07-12 op #include "parser.h"
15 395b9f4e 2021-07-12 op #include "telescope.h"
16 d1a0f2a3 2021-07-12 op #include "ui.h"
18 dc761924 2021-07-15 op static struct option longopts[] = {
19 1853ee50 2021-07-15 op {"colors", no_argument, NULL, 'c'},
20 dc761924 2021-07-15 op {"help", no_argument, NULL, 'h'},
21 dc761924 2021-07-15 op {"version", no_argument, NULL, 'v'},
22 dc761924 2021-07-15 op {NULL, 0, NULL, 0},
25 1853ee50 2021-07-15 op static const char *opts = "Cc:hnT:v";
27 bc10f6a5 2021-07-12 op static struct imsgev *iev_fs, *iev_net;
29 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
30 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
32 6cc5fcfe 2021-07-08 op enum telescope_process {
38 c07ac996 2021-03-12 op /* the first is also the fallback one */
39 c07ac996 2021-03-12 op static struct proto protos[] = {
40 31f1a758 2021-04-22 op { "gemini", load_gemini_url },
41 31f1a758 2021-04-22 op { "about", load_about_url },
42 4d3785b1 2021-03-09 op { NULL, NULL },
45 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
46 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
47 2051e653 2021-03-13 op static void handle_imsg_err(struct imsg*, size_t);
48 2051e653 2021-03-13 op static void handle_imsg_check_cert(struct imsg*, size_t);
49 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
50 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
51 2051e653 2021-03-13 op static void handle_imsg_got_code(struct imsg*, size_t);
52 2051e653 2021-03-13 op static void handle_imsg_got_meta(struct imsg*, size_t);
53 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
54 d1353324 2021-07-13 op static void handle_save_page_path(const char *, struct tab *);
55 de2a69bb 2021-05-17 op static void handle_imsg_file_opened(struct imsg*, size_t);
56 2051e653 2021-03-13 op static void handle_imsg_buf(struct imsg*, size_t);
57 2051e653 2021-03-13 op static void handle_imsg_eof(struct imsg*, size_t);
58 740f578b 2021-03-15 op static void handle_imsg_bookmark_ok(struct imsg*, size_t);
59 3a227e9a 2021-03-18 op static void handle_imsg_save_cert_ok(struct imsg*, size_t);
60 288fd238 2021-04-25 op static void handle_imsg_update_cert_ok(struct imsg *, size_t);
61 1304bbdd 2021-03-15 op static void handle_dispatch_imsg(int, short, void*);
62 2051e653 2021-03-13 op static void load_page_from_str(struct tab*, const char*);
63 2051e653 2021-03-13 op static void do_load_url(struct tab*, const char*);
64 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
65 bc10f6a5 2021-07-12 op static int ui_send_net(int, uint32_t, const void *, uint16_t);
66 bc10f6a5 2021-07-12 op static int ui_send_fs(int, uint32_t, const void *, uint16_t);
68 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
69 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
70 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
71 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
72 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
73 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
74 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
75 740f578b 2021-03-15 op [IMSG_BOOKMARK_OK] = handle_imsg_bookmark_ok,
76 3a227e9a 2021-03-18 op [IMSG_SAVE_CERT_OK] = handle_imsg_save_cert_ok,
77 288fd238 2021-04-25 op [IMSG_UPDATE_CERT_OK] = handle_imsg_update_cert_ok,
78 de2a69bb 2021-05-17 op [IMSG_FILE_OPENED] = handle_imsg_file_opened,
81 cbcc75fb 2021-03-17 op static struct ohash certs;
83 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
86 5e11c00c 2021-03-02 op abort(); /* TODO */
89 5e11c00c 2021-03-02 op static struct tab *
90 5e11c00c 2021-03-02 op tab_by_id(uint32_t id)
92 5e11c00c 2021-03-02 op struct tab *t;
94 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
95 5e11c00c 2021-03-02 op if (t->id == id)
103 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
105 3a9b9365 2021-03-09 op struct tab *tab;
108 3a9b9365 2021-03-09 op tab = tab_by_id(imsg->hdr.peerid);
110 3a9b9365 2021-03-09 op page = imsg->data;
111 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
113 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
114 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
116 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
121 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
123 984245ce 2021-06-23 op const char *hash, *host, *port;
124 cbcc75fb 2021-03-17 op int tofu_res;
125 cbcc75fb 2021-03-17 op struct tofu_entry *e;
126 cbcc75fb 2021-03-17 op struct tab *tab;
128 cbcc75fb 2021-03-17 op hash = imsg->data;
129 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
132 10346511 2021-03-17 op tab = tab_by_id(imsg->hdr.peerid);
134 984245ce 2021-06-23 op if (tab->proxy != NULL) {
135 984245ce 2021-06-23 op host = tab->proxy->host;
136 984245ce 2021-06-23 op port = tab->proxy->port;
138 984245ce 2021-06-23 op host = tab->uri.host;
139 984245ce 2021-06-23 op port = tab->uri.port;
142 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
143 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
144 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
145 cbcc75fb 2021-03-17 op * the certs! */
146 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
149 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
150 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
152 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
153 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
154 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
155 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
157 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
158 3768e50f 2021-04-25 op tofu_add(&certs, e);
159 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SAVE_CERT, tab->id, e, sizeof(*e));
161 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
163 5d1bac73 2021-03-25 op if (tofu_res) {
164 a2fd3805 2021-07-06 op if (e->verified == -1)
165 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
166 a2fd3805 2021-07-06 op else if (e->verified == 1)
167 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
169 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
171 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, imsg->hdr.peerid,
172 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
174 cbcc75fb 2021-03-17 op tab->trust = TS_UNTRUSTED;
175 cbcc75fb 2021-03-17 op load_page_from_str(tab, "# Certificate mismatch\n");
176 288fd238 2021-04-25 op if ((tab->cert = strdup(hash)) == NULL)
178 5d1bac73 2021-03-25 op ui_yornp("Certificate mismatch. Proceed?",
179 a2fd3805 2021-07-06 op handle_check_cert_user_choice, tab);
184 a2fd3805 2021-07-06 op handle_check_cert_user_choice(int accept, struct tab *tab)
186 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, tab->id, &accept,
187 bc10f6a5 2021-07-12 op sizeof(accept));
189 a2fd3805 2021-07-06 op if (accept) {
191 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
192 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
193 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
194 a2fd3805 2021-07-06 op * tabid (one request == one tab id) and crash. It
195 a2fd3805 2021-07-06 op * also makes sense to save it for the current session
196 a2fd3805 2021-07-06 op * if the user accepted it.
198 a2fd3805 2021-07-06 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port, tab->cert);
200 288fd238 2021-04-25 op ui_yornp("Save the new certificate?",
201 a2fd3805 2021-07-06 op handle_maybe_save_new_cert, tab);
203 288fd238 2021-04-25 op free(tab->cert);
204 288fd238 2021-04-25 op tab->cert = NULL;
209 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
211 288fd238 2021-04-25 op struct tofu_entry *e;
212 984245ce 2021-06-23 op const char *host, *port;
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;
225 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
228 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
229 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
230 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
231 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
233 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
234 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_UPDATE_CERT, 0, e, sizeof(*e));
236 288fd238 2021-04-25 op tofu_update(&certs, e);
238 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
241 288fd238 2021-04-25 op free(tab->cert);
242 288fd238 2021-04-25 op tab->cert = NULL;
245 5cd2ebb1 2021-03-11 op static inline int
246 5cd2ebb1 2021-03-11 op normalize_code(int n)
248 5cd2ebb1 2021-03-11 op if (n < 20) {
249 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
252 5cd2ebb1 2021-03-11 op } else if (n < 30) {
254 5cd2ebb1 2021-03-11 op } else if (n < 40) {
255 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
258 5cd2ebb1 2021-03-11 op } else if (n < 50) {
262 5cd2ebb1 2021-03-11 op } else if (n < 60) {
263 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
266 5cd2ebb1 2021-03-11 op } else if (n < 70) {
271 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
275 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
277 0972d8b2 2021-03-02 op struct tab *tab;
279 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
281 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
284 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
285 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
286 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
287 0972d8b2 2021-03-02 op tab->redirect_count = 0;
291 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
293 0972d8b2 2021-03-02 op struct tab *tab;
295 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
297 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
300 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
302 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
303 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
304 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
305 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
306 5cd2ebb1 2021-03-11 op ui_require_input(tab, tab->code == 11);
307 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
308 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
309 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
311 c07ac996 2021-03-12 op load_page_from_str(tab, err_pages[UNKNOWN_TYPE_OR_CSET]);
312 de2a69bb 2021-05-17 op ui_yornp("Can't display page, wanna save?",
313 a2fd3805 2021-07-06 op handle_maybe_save_page, tab);
315 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
316 3a9b9365 2021-03-09 op tab->redirect_count++;
318 3a9b9365 2021-03-09 op /* TODO: make customizable? */
319 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
320 3a9b9365 2021-03-09 op load_page_from_str(tab,
321 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
323 2051e653 2021-03-13 op do_load_url(tab, tab->meta);
324 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
325 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
330 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
333 d1353324 2021-07-13 op ui_read("Save to path", handle_save_page_path, tab);
335 a2fd3805 2021-07-06 op stop_tab(tab);
339 d1353324 2021-07-13 op handle_save_page_path(const char *path, struct tab *tab)
341 de2a69bb 2021-05-17 op if (path == NULL) {
342 d1353324 2021-07-13 op stop_tab(tab);
346 de2a69bb 2021-05-17 op tab->path = strdup(path);
348 d1353324 2021-07-13 op ui_send_fs(IMSG_FILE_OPEN, tab->id, path, strlen(path)+1);
352 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
354 de2a69bb 2021-05-17 op struct tab *tab;
356 de2a69bb 2021-05-17 op const char *e;
359 de2a69bb 2021-05-17 op tab = tab_by_id(imsg->hdr.peerid);
361 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
362 de2a69bb 2021-05-17 op stop_tab(tab);
364 de2a69bb 2021-05-17 op e = imsg->data;
365 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
367 de2a69bb 2021-05-17 op l = asprintf(&page, "# Can't open file\n\n> %s: %s\n",
368 de2a69bb 2021-05-17 op tab->path, e);
371 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
374 de2a69bb 2021-05-17 op tab->fd = imsg->fd;
375 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
380 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
382 0972d8b2 2021-03-02 op struct tab *tab;
384 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
386 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
388 de2a69bb 2021-05-17 op tab->bytes += datalen;
389 de2a69bb 2021-05-17 op if (tab->fd == -1) {
390 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page,
391 de2a69bb 2021-05-17 op imsg->data, datalen))
394 de2a69bb 2021-05-17 op write(tab->fd, imsg->data, datalen);
395 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
396 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saving to \"%s\"... (%s)\n",
401 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
405 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
409 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
411 2ba66cea 2021-03-22 op struct tab *tab;
413 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
415 2ba66cea 2021-03-22 op tab = tab_by_id(imsg->hdr.peerid);
417 de2a69bb 2021-05-17 op if (tab->fd == -1) {
418 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
421 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
422 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saved to \"%s\" (%s)\n",
427 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
430 de2a69bb 2021-05-17 op close(tab->fd);
431 de2a69bb 2021-05-17 op tab->fd = -1;
432 de2a69bb 2021-05-17 op free(tab->path);
433 de2a69bb 2021-05-17 op tab->path = NULL;
436 2ba66cea 2021-03-22 op ui_on_tab_refresh(tab);
437 2ba66cea 2021-03-22 op ui_on_tab_loaded(tab);
441 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
445 740f578b 2021-03-15 op if (datalen != sizeof(res))
448 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
449 740f578b 2021-03-15 op if (res == 0)
450 7f963c41 2021-06-20 op message("Added to bookmarks!");
452 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
453 740f578b 2021-03-15 op strerror(res));
457 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
461 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
463 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
464 3a227e9a 2021-03-18 op if (res != 0)
465 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
466 3a227e9a 2021-03-18 op strerror(res));
470 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
474 288fd238 2021-04-25 op if (datalen != sizeof(res))
476 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
478 7f963c41 2021-06-20 op message("Failed to update the certificate");
482 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
484 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
485 bc10f6a5 2021-07-12 op dispatch_imsg(iev, ev, handlers, sizeof(handlers));
489 0972d8b2 2021-03-02 op load_page_from_str(struct tab *tab, const char *page)
491 00ccb53d 2021-07-01 op erase_buffer(&tab->buffer);
492 46f6e974 2021-05-17 op gemtext_initparser(&tab->buffer.page);
493 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page, page, strlen(page)))
495 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
497 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
498 8af5e5ed 2021-03-08 op ui_on_tab_loaded(tab);
502 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
504 10346511 2021-03-17 op tab->trust = TS_VERIFIED;
506 46f6e974 2021-05-17 op gemtext_initparser(&tab->buffer.page);
508 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_GET, tab->id,
509 31f1a758 2021-04-22 op tab->hist_cur->h, strlen(tab->hist_cur->h)+1);
513 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
515 984245ce 2021-06-23 op struct get_req req;
517 2eef3403 2021-04-22 op stop_tab(tab);
518 2eef3403 2021-04-22 op tab->id = tab_new_id();
520 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
521 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
522 984245ce 2021-06-23 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
524 984245ce 2021-06-23 op strlcpy(req.req, tab->hist_cur->h, sizeof(req.req));
525 984245ce 2021-06-23 op strlcat(req.req, "\r\n", sizeof(req.req));
527 984245ce 2021-06-23 op req.proto = PROTO_GEMINI;
529 bc10f6a5 2021-07-12 op ui_send_net(IMSG_GET_RAW, tab->id,
530 984245ce 2021-06-23 op &req, sizeof(req));
534 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
536 984245ce 2021-06-23 op struct get_req req;
538 984245ce 2021-06-23 op stop_tab(tab);
539 984245ce 2021-06-23 op tab->id = tab_new_id();
540 984245ce 2021-06-23 op tab->proxy = p;
542 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
543 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
544 984245ce 2021-06-23 op strlcpy(req.port, p->port, sizeof(req.host));
546 984245ce 2021-06-23 op strlcpy(req.req, tab->hist_cur->h, sizeof(req.req));
547 984245ce 2021-06-23 op strlcat(req.req, "\r\n", sizeof(req.req));
549 984245ce 2021-06-23 op req.proto = p->proto;
551 bc10f6a5 2021-07-12 op ui_send_net(IMSG_GET_RAW, tab->id,
552 984245ce 2021-06-23 op &req, sizeof(req));
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 bc10f6a5 2021-07-12 op ui_send_net(IMSG_STOP, tab->id, NULL, 0);
650 de2a69bb 2021-05-17 op if (tab->fd != -1) {
651 de2a69bb 2021-05-17 op close(tab->fd);
652 de2a69bb 2021-05-17 op tab->fd = -1;
653 de2a69bb 2021-05-17 op free(tab->path);
654 de2a69bb 2021-05-17 op tab->path = NULL;
655 de2a69bb 2021-05-17 op load_page_from_str(tab, "Stopped.\n");
660 740f578b 2021-03-15 op add_to_bookmarks(const char *str)
662 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_BOOKMARK_PAGE, 0,
663 bc10f6a5 2021-07-12 op str, strlen(str)+1);
667 c7107cec 2021-04-01 op save_session(void)
669 c7107cec 2021-04-01 op struct tab *tab;
671 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_START, 0, NULL, 0);
673 c7107cec 2021-04-01 op TAILQ_FOREACH(tab, &tabshead, tabs) {
674 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_TAB, 0,
675 c7107cec 2021-04-01 op tab->hist_cur->h, strlen(tab->hist_cur->h)+1);
678 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_END, 0, NULL, 0);
682 d2544989 2021-07-08 op session_new_tab_cb(const char *url)
684 d2544989 2021-07-08 op new_tab(url);
688 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
690 6cc5fcfe 2021-07-08 op const char *argv[4];
691 6cc5fcfe 2021-07-08 op int argc = 0;
694 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
704 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
705 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
707 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
709 6cc5fcfe 2021-07-08 op case PROC_UI:
710 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
711 6cc5fcfe 2021-07-08 op case PROC_FS:
712 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
714 6cc5fcfe 2021-07-08 op case PROC_NET:
715 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
719 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
720 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
721 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
725 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
726 bc10f6a5 2021-07-12 op uint16_t datalen)
728 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
733 bc10f6a5 2021-07-12 op ui_send_fs(int type, uint32_t peerid, const void *data, uint16_t datalen)
735 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_fs, type, peerid, 0, -1, data,
739 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
742 dc761924 2021-07-15 op fprintf(stderr, "USAGE: %s [-hnv] [-c config] [url]\n",
743 dc761924 2021-07-15 op getprogname());
744 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
749 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
751 bc10f6a5 2021-07-12 op struct imsgev net_ibuf, fs_ibuf;
752 bc10f6a5 2021-07-12 op int pipe2net[2], pipe2fs[2];
753 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
754 d2544989 2021-07-08 op int has_url = 0;
755 6cc5fcfe 2021-07-08 op int proc = -1;
756 d0fd368a 2021-07-15 op int sessionfd;
757 d2544989 2021-07-08 op char path[PATH_MAX];
758 6cc5fcfe 2021-07-08 op const char *url = NEW_TAB_URL;
759 6cc5fcfe 2021-07-08 op const char *argv0;
761 6cc5fcfe 2021-07-08 op argv0 = argv[0];
763 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
764 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
766 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
767 d2544989 2021-07-08 op enable_colors = 0;
769 d2544989 2021-07-08 op strlcpy(path, getenv("HOME"), sizeof(path));
770 d2544989 2021-07-08 op strlcat(path, "/.telescope/config", sizeof(path));
772 dc761924 2021-07-15 op while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
773 d2544989 2021-07-08 op switch (ch) {
775 1853ee50 2021-07-15 op exit(ui_print_colors());
778 d2544989 2021-07-08 op strlcpy(path, optarg, sizeof(path));
781 d2544989 2021-07-08 op configtest = 1;
786 6cc5fcfe 2021-07-08 op switch (*optarg) {
788 6cc5fcfe 2021-07-08 op proc = PROC_FS;
791 6cc5fcfe 2021-07-08 op proc = PROC_NET;
794 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
799 dc761924 2021-07-15 op printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
807 d2544989 2021-07-08 op argc -= optind;
808 d2544989 2021-07-08 op argv += optind;
810 6cc5fcfe 2021-07-08 op if (proc != -1) {
811 6cc5fcfe 2021-07-08 op if (argc > 0)
813 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
814 6cc5fcfe 2021-07-08 op return fs_main();
815 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
816 6cc5fcfe 2021-07-08 op return client_main();
821 d2544989 2021-07-08 op if (argc != 0) {
823 d2544989 2021-07-08 op url = argv[0];
826 d5bdf203 2021-07-08 op /* setup keys before reading the config */
827 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
828 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
829 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
831 d2544989 2021-07-08 op config_init();
832 d2544989 2021-07-08 op parseconfig(path, fail);
833 d2544989 2021-07-08 op if (configtest){
834 d2544989 2021-07-08 op puts("config OK");
839 d0fd368a 2021-07-15 op if ((sessionfd = lock_session()) == -1)
840 d0fd368a 2021-07-15 op errx(1, "can't lock session, is another instance of "
841 d0fd368a 2021-07-15 op "telescope already running?");
843 6cc5fcfe 2021-07-08 op /* Start children. */
844 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2fs) == -1)
845 5e11c00c 2021-03-02 op err(1, "socketpair");
846 bc10f6a5 2021-07-12 op start_child(PROC_FS, argv0, pipe2fs[1]);
847 bc10f6a5 2021-07-12 op imsg_init(&fs_ibuf.ibuf, pipe2fs[0]);
848 bc10f6a5 2021-07-12 op iev_fs = &fs_ibuf;
849 bc10f6a5 2021-07-12 op iev_fs->handler = handle_dispatch_imsg;
851 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
852 35e1f40a 2021-03-14 op err(1, "socketpair");
853 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
854 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
855 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
856 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
858 37d429b0 2021-04-01 op setproctitle("ui");
860 6cc5fcfe 2021-07-08 op /* initialize tofu & load certificates */
861 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
862 3a227e9a 2021-03-18 op load_certs(&certs);
864 5e11c00c 2021-03-02 op event_init();
866 bc10f6a5 2021-07-12 op /* Setup event handlers for pipes to fs/net */
867 bc10f6a5 2021-07-12 op iev_fs->events = EV_READ;
868 bc10f6a5 2021-07-12 op event_set(&iev_fs->ev, iev_fs->ibuf.fd, iev_fs->events,
869 bc10f6a5 2021-07-12 op iev_fs->handler, iev_fs);
870 bc10f6a5 2021-07-12 op event_add(&iev_fs->ev, NULL);
872 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
873 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
874 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
875 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
877 d2544989 2021-07-08 op if (ui_init()) {
878 d2544989 2021-07-08 op load_last_session(session_new_tab_cb);
879 d2544989 2021-07-08 op if (has_url || TAILQ_EMPTY(&tabshead))
880 d2544989 2021-07-08 op new_tab(url);
882 941b3761 2021-03-18 op sandbox_ui_process();
883 941b3761 2021-03-18 op event_dispatch();
887 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_QUIT, 0, NULL, 0);
888 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
889 3e5fd7be 2021-07-13 op imsg_flush(&iev_fs->ibuf);
890 a9925134 2021-07-15 op imsg_flush(&iev_net->ibuf);
892 d0fd368a 2021-07-15 op close(sessionfd);