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 dc761924 2021-07-15 op {"help", no_argument, NULL, 'h'},
20 dc761924 2021-07-15 op {"version", no_argument, NULL, 'v'},
21 dc761924 2021-07-15 op {NULL, 0, NULL, 0},
24 dc761924 2021-07-15 op static const char *opts = "c:hnT:v";
26 bc10f6a5 2021-07-12 op static struct imsgev *iev_fs, *iev_net;
28 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
29 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
31 6cc5fcfe 2021-07-08 op enum telescope_process {
37 c07ac996 2021-03-12 op /* the first is also the fallback one */
38 c07ac996 2021-03-12 op static struct proto protos[] = {
39 31f1a758 2021-04-22 op { "gemini", load_gemini_url },
40 31f1a758 2021-04-22 op { "about", load_about_url },
41 4d3785b1 2021-03-09 op { NULL, NULL },
44 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
45 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
46 2051e653 2021-03-13 op static void handle_imsg_err(struct imsg*, size_t);
47 2051e653 2021-03-13 op static void handle_imsg_check_cert(struct imsg*, size_t);
48 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
49 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
50 2051e653 2021-03-13 op static void handle_imsg_got_code(struct imsg*, size_t);
51 2051e653 2021-03-13 op static void handle_imsg_got_meta(struct imsg*, size_t);
52 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
53 d1353324 2021-07-13 op static void handle_save_page_path(const char *, struct tab *);
54 de2a69bb 2021-05-17 op static void handle_imsg_file_opened(struct imsg*, size_t);
55 2051e653 2021-03-13 op static void handle_imsg_buf(struct imsg*, size_t);
56 2051e653 2021-03-13 op static void handle_imsg_eof(struct imsg*, size_t);
57 740f578b 2021-03-15 op static void handle_imsg_bookmark_ok(struct imsg*, size_t);
58 3a227e9a 2021-03-18 op static void handle_imsg_save_cert_ok(struct imsg*, size_t);
59 288fd238 2021-04-25 op static void handle_imsg_update_cert_ok(struct imsg *, size_t);
60 1304bbdd 2021-03-15 op static void handle_dispatch_imsg(int, short, void*);
61 2051e653 2021-03-13 op static void load_page_from_str(struct tab*, const char*);
62 2051e653 2021-03-13 op static void do_load_url(struct tab*, const char*);
63 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
64 bc10f6a5 2021-07-12 op static int ui_send_net(int, uint32_t, const void *, uint16_t);
65 bc10f6a5 2021-07-12 op static int ui_send_fs(int, uint32_t, const void *, uint16_t);
67 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
68 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
69 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
70 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
71 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
72 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
73 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
74 740f578b 2021-03-15 op [IMSG_BOOKMARK_OK] = handle_imsg_bookmark_ok,
75 3a227e9a 2021-03-18 op [IMSG_SAVE_CERT_OK] = handle_imsg_save_cert_ok,
76 288fd238 2021-04-25 op [IMSG_UPDATE_CERT_OK] = handle_imsg_update_cert_ok,
77 de2a69bb 2021-05-17 op [IMSG_FILE_OPENED] = handle_imsg_file_opened,
80 cbcc75fb 2021-03-17 op static struct ohash certs;
82 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
85 5e11c00c 2021-03-02 op abort(); /* TODO */
88 5e11c00c 2021-03-02 op static struct tab *
89 5e11c00c 2021-03-02 op tab_by_id(uint32_t id)
91 5e11c00c 2021-03-02 op struct tab *t;
93 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
94 5e11c00c 2021-03-02 op if (t->id == id)
102 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
104 3a9b9365 2021-03-09 op struct tab *tab;
107 3a9b9365 2021-03-09 op tab = tab_by_id(imsg->hdr.peerid);
109 3a9b9365 2021-03-09 op page = imsg->data;
110 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
112 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
113 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
115 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
120 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
122 984245ce 2021-06-23 op const char *hash, *host, *port;
123 cbcc75fb 2021-03-17 op int tofu_res;
124 cbcc75fb 2021-03-17 op struct tofu_entry *e;
125 cbcc75fb 2021-03-17 op struct tab *tab;
127 cbcc75fb 2021-03-17 op hash = imsg->data;
128 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
131 10346511 2021-03-17 op tab = tab_by_id(imsg->hdr.peerid);
133 984245ce 2021-06-23 op if (tab->proxy != NULL) {
134 984245ce 2021-06-23 op host = tab->proxy->host;
135 984245ce 2021-06-23 op port = tab->proxy->port;
137 984245ce 2021-06-23 op host = tab->uri.host;
138 984245ce 2021-06-23 op port = tab->uri.port;
141 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
142 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
143 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
144 cbcc75fb 2021-03-17 op * the certs! */
145 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
148 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
149 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
151 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
152 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
153 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
154 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
156 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
157 3768e50f 2021-04-25 op tofu_add(&certs, e);
158 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SAVE_CERT, tab->id, e, sizeof(*e));
160 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
162 5d1bac73 2021-03-25 op if (tofu_res) {
163 a2fd3805 2021-07-06 op if (e->verified == -1)
164 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
165 a2fd3805 2021-07-06 op else if (e->verified == 1)
166 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
168 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
170 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, imsg->hdr.peerid,
171 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
173 cbcc75fb 2021-03-17 op tab->trust = TS_UNTRUSTED;
174 cbcc75fb 2021-03-17 op load_page_from_str(tab, "# Certificate mismatch\n");
175 288fd238 2021-04-25 op if ((tab->cert = strdup(hash)) == NULL)
177 5d1bac73 2021-03-25 op ui_yornp("Certificate mismatch. Proceed?",
178 a2fd3805 2021-07-06 op handle_check_cert_user_choice, tab);
183 a2fd3805 2021-07-06 op handle_check_cert_user_choice(int accept, struct tab *tab)
185 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, tab->id, &accept,
186 bc10f6a5 2021-07-12 op sizeof(accept));
188 a2fd3805 2021-07-06 op if (accept) {
190 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
191 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
192 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
193 a2fd3805 2021-07-06 op * tabid (one request == one tab id) and crash. It
194 a2fd3805 2021-07-06 op * also makes sense to save it for the current session
195 a2fd3805 2021-07-06 op * if the user accepted it.
197 a2fd3805 2021-07-06 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port, tab->cert);
199 288fd238 2021-04-25 op ui_yornp("Save the new certificate?",
200 a2fd3805 2021-07-06 op handle_maybe_save_new_cert, tab);
202 288fd238 2021-04-25 op free(tab->cert);
203 288fd238 2021-04-25 op tab->cert = NULL;
208 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
210 288fd238 2021-04-25 op struct tofu_entry *e;
211 984245ce 2021-06-23 op const char *host, *port;
213 984245ce 2021-06-23 op if (tab->proxy != NULL) {
214 984245ce 2021-06-23 op host = tab->proxy->host;
215 984245ce 2021-06-23 op port = tab->proxy->port;
217 984245ce 2021-06-23 op host = tab->uri.host;
218 984245ce 2021-06-23 op port = tab->uri.port;
224 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
227 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
228 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
229 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
230 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
232 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
233 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_UPDATE_CERT, 0, e, sizeof(*e));
235 288fd238 2021-04-25 op tofu_update(&certs, e);
237 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
240 288fd238 2021-04-25 op free(tab->cert);
241 288fd238 2021-04-25 op tab->cert = NULL;
244 5cd2ebb1 2021-03-11 op static inline int
245 5cd2ebb1 2021-03-11 op normalize_code(int n)
247 5cd2ebb1 2021-03-11 op if (n < 20) {
248 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
251 5cd2ebb1 2021-03-11 op } else if (n < 30) {
253 5cd2ebb1 2021-03-11 op } else if (n < 40) {
254 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
257 5cd2ebb1 2021-03-11 op } else if (n < 50) {
261 5cd2ebb1 2021-03-11 op } else if (n < 60) {
262 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
265 5cd2ebb1 2021-03-11 op } else if (n < 70) {
270 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
274 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
276 0972d8b2 2021-03-02 op struct tab *tab;
278 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
280 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
283 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
284 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
285 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
286 0972d8b2 2021-03-02 op tab->redirect_count = 0;
290 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
292 0972d8b2 2021-03-02 op struct tab *tab;
294 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
296 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
299 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
301 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
302 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
303 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
304 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
305 5cd2ebb1 2021-03-11 op ui_require_input(tab, tab->code == 11);
306 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
307 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
308 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
310 c07ac996 2021-03-12 op load_page_from_str(tab, err_pages[UNKNOWN_TYPE_OR_CSET]);
311 de2a69bb 2021-05-17 op ui_yornp("Can't display page, wanna save?",
312 a2fd3805 2021-07-06 op handle_maybe_save_page, tab);
314 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
315 3a9b9365 2021-03-09 op tab->redirect_count++;
317 3a9b9365 2021-03-09 op /* TODO: make customizable? */
318 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
319 3a9b9365 2021-03-09 op load_page_from_str(tab,
320 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
322 2051e653 2021-03-13 op do_load_url(tab, tab->meta);
323 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
324 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
329 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
332 d1353324 2021-07-13 op ui_read("Save to path", handle_save_page_path, tab);
334 a2fd3805 2021-07-06 op stop_tab(tab);
338 d1353324 2021-07-13 op handle_save_page_path(const char *path, struct tab *tab)
340 de2a69bb 2021-05-17 op if (path == NULL) {
341 d1353324 2021-07-13 op stop_tab(tab);
345 de2a69bb 2021-05-17 op tab->path = strdup(path);
347 d1353324 2021-07-13 op ui_send_fs(IMSG_FILE_OPEN, tab->id, path, strlen(path)+1);
351 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
353 de2a69bb 2021-05-17 op struct tab *tab;
355 de2a69bb 2021-05-17 op const char *e;
358 de2a69bb 2021-05-17 op tab = tab_by_id(imsg->hdr.peerid);
360 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
361 de2a69bb 2021-05-17 op stop_tab(tab);
363 de2a69bb 2021-05-17 op e = imsg->data;
364 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
366 de2a69bb 2021-05-17 op l = asprintf(&page, "# Can't open file\n\n> %s: %s\n",
367 de2a69bb 2021-05-17 op tab->path, e);
370 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
373 de2a69bb 2021-05-17 op tab->fd = imsg->fd;
374 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
379 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
381 0972d8b2 2021-03-02 op struct tab *tab;
383 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
385 0972d8b2 2021-03-02 op tab = tab_by_id(imsg->hdr.peerid);
387 de2a69bb 2021-05-17 op tab->bytes += datalen;
388 de2a69bb 2021-05-17 op if (tab->fd == -1) {
389 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page,
390 de2a69bb 2021-05-17 op imsg->data, datalen))
393 de2a69bb 2021-05-17 op write(tab->fd, imsg->data, datalen);
394 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
395 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saving to \"%s\"... (%s)\n",
400 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
404 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
408 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
410 2ba66cea 2021-03-22 op struct tab *tab;
412 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
414 2ba66cea 2021-03-22 op tab = tab_by_id(imsg->hdr.peerid);
416 de2a69bb 2021-05-17 op if (tab->fd == -1) {
417 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
420 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
421 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saved to \"%s\" (%s)\n",
426 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
429 de2a69bb 2021-05-17 op close(tab->fd);
430 de2a69bb 2021-05-17 op tab->fd = -1;
431 de2a69bb 2021-05-17 op free(tab->path);
432 de2a69bb 2021-05-17 op tab->path = NULL;
435 2ba66cea 2021-03-22 op ui_on_tab_refresh(tab);
436 2ba66cea 2021-03-22 op ui_on_tab_loaded(tab);
440 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
444 740f578b 2021-03-15 op if (datalen != sizeof(res))
447 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
448 740f578b 2021-03-15 op if (res == 0)
449 7f963c41 2021-06-20 op message("Added to bookmarks!");
451 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
452 740f578b 2021-03-15 op strerror(res));
456 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
460 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
462 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
463 3a227e9a 2021-03-18 op if (res != 0)
464 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
465 3a227e9a 2021-03-18 op strerror(res));
469 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
473 288fd238 2021-04-25 op if (datalen != sizeof(res))
475 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
477 7f963c41 2021-06-20 op message("Failed to update the certificate");
481 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
483 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
484 bc10f6a5 2021-07-12 op dispatch_imsg(iev, ev, handlers, sizeof(handlers));
488 0972d8b2 2021-03-02 op load_page_from_str(struct tab *tab, const char *page)
490 00ccb53d 2021-07-01 op erase_buffer(&tab->buffer);
491 46f6e974 2021-05-17 op gemtext_initparser(&tab->buffer.page);
492 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page, page, strlen(page)))
494 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
496 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
497 8af5e5ed 2021-03-08 op ui_on_tab_loaded(tab);
501 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
503 10346511 2021-03-17 op tab->trust = TS_VERIFIED;
505 46f6e974 2021-05-17 op gemtext_initparser(&tab->buffer.page);
507 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_GET, tab->id,
508 31f1a758 2021-04-22 op tab->hist_cur->h, strlen(tab->hist_cur->h)+1);
512 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
514 984245ce 2021-06-23 op struct get_req req;
516 2eef3403 2021-04-22 op stop_tab(tab);
517 2eef3403 2021-04-22 op tab->id = tab_new_id();
519 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
520 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
521 984245ce 2021-06-23 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
523 984245ce 2021-06-23 op strlcpy(req.req, tab->hist_cur->h, sizeof(req.req));
524 984245ce 2021-06-23 op strlcat(req.req, "\r\n", sizeof(req.req));
526 984245ce 2021-06-23 op req.proto = PROTO_GEMINI;
528 bc10f6a5 2021-07-12 op ui_send_net(IMSG_GET_RAW, tab->id,
529 984245ce 2021-06-23 op &req, sizeof(req));
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 bc10f6a5 2021-07-12 op ui_send_net(IMSG_GET_RAW, tab->id,
551 984245ce 2021-06-23 op &req, sizeof(req));
555 2051e653 2021-03-13 op do_load_url(struct tab *tab, const char *url)
557 31f1a758 2021-04-22 op struct phos_uri uri;
558 31f1a758 2021-04-22 op struct proto *p;
559 984245ce 2021-06-23 op struct proxy *proxy;
562 7943bb81 2021-07-10 op tab->proxy = NULL;
564 de2a69bb 2021-05-17 op if (tab->fd != -1) {
565 de2a69bb 2021-05-17 op close(tab->fd);
566 de2a69bb 2021-05-17 op tab->fd = -1;
567 de2a69bb 2021-05-17 op free(tab->path);
568 de2a69bb 2021-05-17 op tab->path = NULL;
571 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
573 31f1a758 2021-04-22 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
574 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
575 31f1a758 2021-04-22 op if (asprintf(&t, "#error loading %s\n>%s\n",
576 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
578 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
579 31f1a758 2021-04-22 op load_page_from_str(tab, t);
584 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
585 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
587 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
588 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
589 4d3785b1 2021-03-09 op p->loadfn(tab, url);
594 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
595 984245ce 2021-06-23 op if (!strcmp(tab->uri.scheme, proxy->match_proto)) {
596 984245ce 2021-06-23 op load_via_proxy(tab, url, proxy);
601 4d3785b1 2021-03-09 op protos[0].loadfn(tab, url);
605 2051e653 2021-03-13 op load_url(struct tab *tab, const char *url)
607 2051e653 2021-03-13 op if (tab->hist_cur != NULL)
608 2051e653 2021-03-13 op hist_clear_forward(&tab->hist, TAILQ_NEXT(tab->hist_cur, entries));
610 2051e653 2021-03-13 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur))) == NULL) {
611 2051e653 2021-03-13 op event_loopbreak();
615 2051e653 2021-03-13 op hist_push(&tab->hist, tab->hist_cur);
616 2051e653 2021-03-13 op do_load_url(tab, url);
617 bca92a4c 2021-07-01 op erase_buffer(&tab->buffer);
621 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
623 2051e653 2021-03-13 op struct hist *h;
625 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
627 2051e653 2021-03-13 op tab->hist_cur = h;
628 2051e653 2021-03-13 op do_load_url(tab, h->h);
633 2051e653 2021-03-13 op load_next_page(struct tab *tab)
635 2051e653 2021-03-13 op struct hist *h;
637 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
639 2051e653 2021-03-13 op tab->hist_cur = h;
640 2051e653 2021-03-13 op do_load_url(tab, h->h);
645 9ad4627d 2021-03-10 op stop_tab(struct tab *tab)
647 bc10f6a5 2021-07-12 op ui_send_net(IMSG_STOP, tab->id, NULL, 0);
649 de2a69bb 2021-05-17 op if (tab->fd != -1) {
650 de2a69bb 2021-05-17 op close(tab->fd);
651 de2a69bb 2021-05-17 op tab->fd = -1;
652 de2a69bb 2021-05-17 op free(tab->path);
653 de2a69bb 2021-05-17 op tab->path = NULL;
654 de2a69bb 2021-05-17 op load_page_from_str(tab, "Stopped.\n");
659 740f578b 2021-03-15 op add_to_bookmarks(const char *str)
661 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_BOOKMARK_PAGE, 0,
662 bc10f6a5 2021-07-12 op str, strlen(str)+1);
666 c7107cec 2021-04-01 op save_session(void)
668 c7107cec 2021-04-01 op struct tab *tab;
670 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_START, 0, NULL, 0);
672 c7107cec 2021-04-01 op TAILQ_FOREACH(tab, &tabshead, tabs) {
673 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_TAB, 0,
674 c7107cec 2021-04-01 op tab->hist_cur->h, strlen(tab->hist_cur->h)+1);
677 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_END, 0, NULL, 0);
681 d2544989 2021-07-08 op session_new_tab_cb(const char *url)
683 d2544989 2021-07-08 op new_tab(url);
687 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
689 6cc5fcfe 2021-07-08 op const char *argv[4];
690 6cc5fcfe 2021-07-08 op int argc = 0;
693 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
703 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
704 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
706 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
708 6cc5fcfe 2021-07-08 op case PROC_UI:
709 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
710 6cc5fcfe 2021-07-08 op case PROC_FS:
711 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
713 6cc5fcfe 2021-07-08 op case PROC_NET:
714 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
718 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
719 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
720 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
724 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
725 bc10f6a5 2021-07-12 op uint16_t datalen)
727 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
732 bc10f6a5 2021-07-12 op ui_send_fs(int type, uint32_t peerid, const void *data, uint16_t datalen)
734 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_fs, type, peerid, 0, -1, data,
738 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
741 dc761924 2021-07-15 op fprintf(stderr, "USAGE: %s [-hnv] [-c config] [url]\n",
742 dc761924 2021-07-15 op getprogname());
743 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
748 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
750 bc10f6a5 2021-07-12 op struct imsgev net_ibuf, fs_ibuf;
751 bc10f6a5 2021-07-12 op int pipe2net[2], pipe2fs[2];
752 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
753 d2544989 2021-07-08 op int has_url = 0;
754 6cc5fcfe 2021-07-08 op int proc = -1;
755 d0fd368a 2021-07-15 op int sessionfd;
756 d2544989 2021-07-08 op char path[PATH_MAX];
757 6cc5fcfe 2021-07-08 op const char *url = NEW_TAB_URL;
758 6cc5fcfe 2021-07-08 op const char *argv0;
760 6cc5fcfe 2021-07-08 op argv0 = argv[0];
762 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
763 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
765 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
766 d2544989 2021-07-08 op enable_colors = 0;
768 d2544989 2021-07-08 op strlcpy(path, getenv("HOME"), sizeof(path));
769 d2544989 2021-07-08 op strlcat(path, "/.telescope/config", sizeof(path));
771 dc761924 2021-07-15 op while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
772 d2544989 2021-07-08 op switch (ch) {
775 d2544989 2021-07-08 op strlcpy(path, optarg, sizeof(path));
778 d2544989 2021-07-08 op configtest = 1;
783 6cc5fcfe 2021-07-08 op switch (*optarg) {
785 6cc5fcfe 2021-07-08 op proc = PROC_FS;
788 6cc5fcfe 2021-07-08 op proc = PROC_NET;
791 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
796 dc761924 2021-07-15 op printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
804 d2544989 2021-07-08 op argc -= optind;
805 d2544989 2021-07-08 op argv += optind;
807 6cc5fcfe 2021-07-08 op if (proc != -1) {
808 6cc5fcfe 2021-07-08 op if (argc > 0)
810 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
811 6cc5fcfe 2021-07-08 op return fs_main();
812 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
813 6cc5fcfe 2021-07-08 op return client_main();
818 d2544989 2021-07-08 op if (argc != 0) {
820 d2544989 2021-07-08 op url = argv[0];
823 d5bdf203 2021-07-08 op /* setup keys before reading the config */
824 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
825 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
826 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
828 d2544989 2021-07-08 op config_init();
829 d2544989 2021-07-08 op parseconfig(path, fail);
830 d2544989 2021-07-08 op if (configtest){
831 d2544989 2021-07-08 op puts("config OK");
836 d0fd368a 2021-07-15 op if ((sessionfd = lock_session()) == -1)
837 d0fd368a 2021-07-15 op errx(1, "can't lock session, is another instance of "
838 d0fd368a 2021-07-15 op "telescope already running?");
840 6cc5fcfe 2021-07-08 op /* Start children. */
841 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2fs) == -1)
842 5e11c00c 2021-03-02 op err(1, "socketpair");
843 bc10f6a5 2021-07-12 op start_child(PROC_FS, argv0, pipe2fs[1]);
844 bc10f6a5 2021-07-12 op imsg_init(&fs_ibuf.ibuf, pipe2fs[0]);
845 bc10f6a5 2021-07-12 op iev_fs = &fs_ibuf;
846 bc10f6a5 2021-07-12 op iev_fs->handler = handle_dispatch_imsg;
848 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
849 35e1f40a 2021-03-14 op err(1, "socketpair");
850 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
851 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
852 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
853 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
855 37d429b0 2021-04-01 op setproctitle("ui");
857 6cc5fcfe 2021-07-08 op /* initialize tofu & load certificates */
858 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
859 3a227e9a 2021-03-18 op load_certs(&certs);
861 5e11c00c 2021-03-02 op event_init();
863 bc10f6a5 2021-07-12 op /* Setup event handlers for pipes to fs/net */
864 bc10f6a5 2021-07-12 op iev_fs->events = EV_READ;
865 bc10f6a5 2021-07-12 op event_set(&iev_fs->ev, iev_fs->ibuf.fd, iev_fs->events,
866 bc10f6a5 2021-07-12 op iev_fs->handler, iev_fs);
867 bc10f6a5 2021-07-12 op event_add(&iev_fs->ev, NULL);
869 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
870 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
871 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
872 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
874 d2544989 2021-07-08 op if (ui_init()) {
875 d2544989 2021-07-08 op load_last_session(session_new_tab_cb);
876 d2544989 2021-07-08 op if (has_url || TAILQ_EMPTY(&tabshead))
877 d2544989 2021-07-08 op new_tab(url);
879 941b3761 2021-03-18 op sandbox_ui_process();
880 941b3761 2021-03-18 op event_dispatch();
884 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_QUIT, 0, NULL, 0);
885 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
886 3e5fd7be 2021-07-13 op imsg_flush(&iev_fs->ibuf);
887 a9925134 2021-07-15 op imsg_flush(&iev_net->ibuf);
889 d0fd368a 2021-07-15 op close(sessionfd);