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1 4540067e 2021-07-18 op /*
2 4540067e 2021-07-18 op * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3 4540067e 2021-07-18 op *
4 4540067e 2021-07-18 op * Permission to use, copy, modify, and distribute this software for any
5 4540067e 2021-07-18 op * purpose with or without fee is hereby granted, provided that the above
6 4540067e 2021-07-18 op * copyright notice and this permission notice appear in all copies.
7 4540067e 2021-07-18 op *
8 4540067e 2021-07-18 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 4540067e 2021-07-18 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 4540067e 2021-07-18 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 4540067e 2021-07-18 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 4540067e 2021-07-18 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 4540067e 2021-07-18 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 4540067e 2021-07-18 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 4540067e 2021-07-18 op */
16 1f496e7b 2021-07-21 op
17 1f496e7b 2021-07-21 op #include "compat.h"
18 4540067e 2021-07-18 op
19 5e11c00c 2021-03-02 op #include <sys/socket.h>
20 5e11c00c 2021-03-02 op
21 5e11c00c 2021-03-02 op #include <errno.h>
22 dc761924 2021-07-15 op #include <getopt.h>
23 d2544989 2021-07-08 op #include <limits.h>
24 5e11c00c 2021-03-02 op #include <signal.h>
25 5e11c00c 2021-03-02 op #include <stdio.h>
26 5e11c00c 2021-03-02 op #include <stdlib.h>
27 5e11c00c 2021-03-02 op #include <string.h>
28 5e11c00c 2021-03-02 op #include <unistd.h>
29 5e11c00c 2021-03-02 op
30 e659558c 2021-07-13 op #include "defaults.h"
31 4bc446b9 2021-07-21 op #include "minibuffer.h"
32 395b9f4e 2021-07-12 op #include "parser.h"
33 395b9f4e 2021-07-12 op #include "telescope.h"
34 d1a0f2a3 2021-07-12 op #include "ui.h"
35 dc761924 2021-07-15 op
36 dc761924 2021-07-15 op static struct option longopts[] = {
37 1853ee50 2021-07-15 op {"colors", no_argument, NULL, 'c'},
38 dc761924 2021-07-15 op {"help", no_argument, NULL, 'h'},
39 dc761924 2021-07-15 op {"version", no_argument, NULL, 'v'},
40 dc761924 2021-07-15 op {NULL, 0, NULL, 0},
41 dc761924 2021-07-15 op };
42 dc761924 2021-07-15 op
43 1853ee50 2021-07-15 op static const char *opts = "Cc:hnT:v";
44 a37d1a1c 2021-08-14 op
45 a37d1a1c 2021-08-14 op /*
46 a37d1a1c 2021-08-14 op * Used to know when we're finished loading.
47 a37d1a1c 2021-08-14 op */
48 a37d1a1c 2021-08-14 op static int operating;
49 395b9f4e 2021-07-12 op
50 bc10f6a5 2021-07-12 op static struct imsgev *iev_fs, *iev_net;
51 ecfbb1d4 2021-08-14 op
52 ecfbb1d4 2021-08-14 op static struct event autosaveev;
53 bc10f6a5 2021-07-12 op
54 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
55 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
56 6cc5fcfe 2021-07-08 op
57 6cc5fcfe 2021-07-08 op enum telescope_process {
58 6cc5fcfe 2021-07-08 op PROC_UI,
59 6cc5fcfe 2021-07-08 op PROC_FS,
60 6cc5fcfe 2021-07-08 op PROC_NET,
61 6cc5fcfe 2021-07-08 op };
62 5e11c00c 2021-03-02 op
63 9a8a7402 2021-07-18 op #define CANNOT_FETCH 0
64 9a8a7402 2021-07-18 op #define TOO_MUCH_REDIRECTS 1
65 9a8a7402 2021-07-18 op #define MALFORMED_RESPONSE 2
66 9a8a7402 2021-07-18 op #define UNKNOWN_TYPE_OR_CSET 3
67 9a8a7402 2021-07-18 op #define UNKNOWN_PROTOCOL 4
68 9a8a7402 2021-07-18 op
69 9a8a7402 2021-07-18 op /* XXX: keep in sync with telescope.c:/^normalize_code/ */
70 9a8a7402 2021-07-18 op const char *err_pages[70] = {
71 9a8a7402 2021-07-18 op [CANNOT_FETCH] = "# Couldn't load the page\n",
72 9a8a7402 2021-07-18 op [TOO_MUCH_REDIRECTS] = "# Too much redirects\n",
73 9a8a7402 2021-07-18 op [MALFORMED_RESPONSE] = "# Got a malformed response\n",
74 9a8a7402 2021-07-18 op [UNKNOWN_TYPE_OR_CSET] = "# Unsupported type or charset\n",
75 9a8a7402 2021-07-18 op [UNKNOWN_PROTOCOL] = "# Unknown protocol\n",
76 9a8a7402 2021-07-18 op
77 9a8a7402 2021-07-18 op [10] = "# Input required\n",
78 9a8a7402 2021-07-18 op [11] = "# Input required\n",
79 9a8a7402 2021-07-18 op [40] = "# Temporary failure\n",
80 9a8a7402 2021-07-18 op [41] = "# Server unavailable\n",
81 9a8a7402 2021-07-18 op [42] = "# CGI error\n",
82 9a8a7402 2021-07-18 op [43] = "# Proxy error\n",
83 9a8a7402 2021-07-18 op [44] = "# Slow down\n",
84 9a8a7402 2021-07-18 op [50] = "# Permanent failure\n",
85 9a8a7402 2021-07-18 op [51] = "# Not found\n",
86 9a8a7402 2021-07-18 op [52] = "# Gone\n",
87 9a8a7402 2021-07-18 op [53] = "# Proxy request refused\n",
88 9a8a7402 2021-07-18 op [59] = "# Bad request\n",
89 9a8a7402 2021-07-18 op [60] = "# Client certificate required\n",
90 9a8a7402 2021-07-18 op [61] = "# Certificate not authorised\n",
91 9a8a7402 2021-07-18 op [62] = "# Certificate not valid\n"
92 9a8a7402 2021-07-18 op };
93 9a8a7402 2021-07-18 op
94 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
95 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
96 2051e653 2021-03-13 op static void handle_imsg_err(struct imsg*, size_t);
97 2051e653 2021-03-13 op static void handle_imsg_check_cert(struct imsg*, size_t);
98 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
99 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
100 2051e653 2021-03-13 op static void handle_imsg_got_code(struct imsg*, size_t);
101 2051e653 2021-03-13 op static void handle_imsg_got_meta(struct imsg*, size_t);
102 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
103 d1353324 2021-07-13 op static void handle_save_page_path(const char *, struct tab *);
104 de2a69bb 2021-05-17 op static void handle_imsg_file_opened(struct imsg*, size_t);
105 2051e653 2021-03-13 op static void handle_imsg_buf(struct imsg*, size_t);
106 2051e653 2021-03-13 op static void handle_imsg_eof(struct imsg*, size_t);
107 740f578b 2021-03-15 op static void handle_imsg_bookmark_ok(struct imsg*, size_t);
108 3a227e9a 2021-03-18 op static void handle_imsg_save_cert_ok(struct imsg*, size_t);
109 288fd238 2021-04-25 op static void handle_imsg_update_cert_ok(struct imsg *, size_t);
110 1304bbdd 2021-03-15 op static void handle_dispatch_imsg(int, short, void*);
111 b38cd1f7 2021-08-03 op static int load_page_from_str(struct tab*, const char*);
112 1c690d0a 2021-08-03 op static int load_about_url(struct tab*, const char*);
113 0b1053d2 2021-08-13 op static int load_file_url(struct tab *, const char *);
114 1c690d0a 2021-08-03 op static int load_finger_url(struct tab *, const char *);
115 1c690d0a 2021-08-03 op static int load_gemini_url(struct tab*, const char*);
116 1c690d0a 2021-08-03 op static int load_gopher_url(struct tab *, const char *);
117 1c690d0a 2021-08-03 op static int load_via_proxy(struct tab *, const char *,
118 dfb5eb39 2021-07-25 op struct proxy *);
119 1c690d0a 2021-08-03 op static int make_request(struct tab *, struct get_req *, int,
120 cf1195ce 2021-07-25 op const char *);
121 c7586aab 2021-08-13 op static int make_fs_request(struct tab *, int, const char *);
122 bd3a3a95 2021-07-20 op static int do_load_url(struct tab*, const char *, const char *);
123 ecfbb1d4 2021-08-14 op static void autosave_timer(int, short, void *);
124 2f524b17 2021-07-17 op static void parse_session_line(char *, const char **, uint32_t *);
125 87e3e801 2021-07-17 op static void load_last_session(void);
126 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
127 bc10f6a5 2021-07-12 op static int ui_send_net(int, uint32_t, const void *, uint16_t);
128 bc10f6a5 2021-07-12 op static int ui_send_fs(int, uint32_t, const void *, uint16_t);
129 dfb5eb39 2021-07-25 op
130 352e0355 2021-07-25 op static struct proto {
131 352e0355 2021-07-25 op const char *schema;
132 ba782cb8 2021-07-25 op const char *port;
133 1c690d0a 2021-08-03 op int (*loadfn)(struct tab*, const char*);
134 352e0355 2021-07-25 op } protos[] = {
135 ba782cb8 2021-07-25 op {"about", NULL, load_about_url},
136 0b1053d2 2021-08-13 op {"file", NULL, load_file_url},
137 ba782cb8 2021-07-25 op {"finger", "79", load_finger_url},
138 ba782cb8 2021-07-25 op {"gemini", "1965", load_gemini_url},
139 1663bf1e 2021-07-25 op {"gopher", "70", load_gopher_url},
140 ba782cb8 2021-07-25 op {NULL, NULL, NULL},
141 dfb5eb39 2021-07-25 op };
142 5e11c00c 2021-03-02 op
143 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
144 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
145 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
146 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
147 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
148 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
149 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
150 740f578b 2021-03-15 op [IMSG_BOOKMARK_OK] = handle_imsg_bookmark_ok,
151 3a227e9a 2021-03-18 op [IMSG_SAVE_CERT_OK] = handle_imsg_save_cert_ok,
152 288fd238 2021-04-25 op [IMSG_UPDATE_CERT_OK] = handle_imsg_update_cert_ok,
153 de2a69bb 2021-05-17 op [IMSG_FILE_OPENED] = handle_imsg_file_opened,
154 5e11c00c 2021-03-02 op };
155 5e11c00c 2021-03-02 op
156 cbcc75fb 2021-03-17 op static struct ohash certs;
157 cbcc75fb 2021-03-17 op
158 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
159 5e11c00c 2021-03-02 op die(void)
160 5e11c00c 2021-03-02 op {
161 5e11c00c 2021-03-02 op abort(); /* TODO */
162 5e11c00c 2021-03-02 op }
163 5e11c00c 2021-03-02 op
164 5e11c00c 2021-03-02 op static struct tab *
165 f6243012 2021-07-19 op tab_by_id(uint32_t id)
166 5e11c00c 2021-03-02 op {
167 5e11c00c 2021-03-02 op struct tab *t;
168 5e11c00c 2021-03-02 op
169 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
170 5e11c00c 2021-03-02 op if (t->id == id)
171 5e11c00c 2021-03-02 op return t;
172 5e11c00c 2021-03-02 op }
173 5e11c00c 2021-03-02 op
174 5d6c2088 2021-07-19 op return NULL;
175 5e11c00c 2021-03-02 op }
176 5e11c00c 2021-03-02 op
177 5e11c00c 2021-03-02 op static void
178 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
179 5e11c00c 2021-03-02 op {
180 3a9b9365 2021-03-09 op struct tab *tab;
181 3a9b9365 2021-03-09 op char *page;
182 3a9b9365 2021-03-09 op
183 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
184 f6243012 2021-07-19 op return;
185 3a9b9365 2021-03-09 op
186 3a9b9365 2021-03-09 op page = imsg->data;
187 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
188 3a9b9365 2021-03-09 op
189 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
190 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
191 3a9b9365 2021-03-09 op die();
192 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
193 3a9b9365 2021-03-09 op free(page);
194 5e11c00c 2021-03-02 op }
195 5e11c00c 2021-03-02 op
196 5e11c00c 2021-03-02 op static void
197 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
198 5e11c00c 2021-03-02 op {
199 984245ce 2021-06-23 op const char *hash, *host, *port;
200 cbcc75fb 2021-03-17 op int tofu_res;
201 cbcc75fb 2021-03-17 op struct tofu_entry *e;
202 cbcc75fb 2021-03-17 op struct tab *tab;
203 5e11c00c 2021-03-02 op
204 cbcc75fb 2021-03-17 op hash = imsg->data;
205 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
206 cbcc75fb 2021-03-17 op abort();
207 cbcc75fb 2021-03-17 op
208 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
209 f6243012 2021-07-19 op return;
210 cbcc75fb 2021-03-17 op
211 984245ce 2021-06-23 op if (tab->proxy != NULL) {
212 984245ce 2021-06-23 op host = tab->proxy->host;
213 984245ce 2021-06-23 op port = tab->proxy->port;
214 984245ce 2021-06-23 op } else {
215 984245ce 2021-06-23 op host = tab->uri.host;
216 984245ce 2021-06-23 op port = tab->uri.port;
217 984245ce 2021-06-23 op }
218 984245ce 2021-06-23 op
219 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
220 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
221 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
222 cbcc75fb 2021-03-17 op * the certs! */
223 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
224 cbcc75fb 2021-03-17 op abort();
225 cbcc75fb 2021-03-17 op
226 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
227 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
228 cbcc75fb 2021-03-17 op abort();
229 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
230 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
231 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
232 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
233 eb4388ee 2021-04-25 op }
234 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
235 3768e50f 2021-04-25 op tofu_add(&certs, e);
236 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SAVE_CERT, tab->id, e, sizeof(*e));
237 cbcc75fb 2021-03-17 op } else
238 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
239 cbcc75fb 2021-03-17 op
240 5d1bac73 2021-03-25 op if (tofu_res) {
241 a2fd3805 2021-07-06 op if (e->verified == -1)
242 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
243 a2fd3805 2021-07-06 op else if (e->verified == 1)
244 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
245 a2fd3805 2021-07-06 op else
246 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
247 a2fd3805 2021-07-06 op
248 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, imsg->hdr.peerid,
249 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
250 5d1bac73 2021-03-25 op } else {
251 cbcc75fb 2021-03-17 op tab->trust = TS_UNTRUSTED;
252 cbcc75fb 2021-03-17 op load_page_from_str(tab, "# Certificate mismatch\n");
253 288fd238 2021-04-25 op if ((tab->cert = strdup(hash)) == NULL)
254 288fd238 2021-04-25 op die();
255 5d1bac73 2021-03-25 op ui_yornp("Certificate mismatch. Proceed?",
256 a2fd3805 2021-07-06 op handle_check_cert_user_choice, tab);
257 cbcc75fb 2021-03-17 op }
258 5d1bac73 2021-03-25 op }
259 5d1bac73 2021-03-25 op
260 5d1bac73 2021-03-25 op static void
261 a2fd3805 2021-07-06 op handle_check_cert_user_choice(int accept, struct tab *tab)
262 5d1bac73 2021-03-25 op {
263 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, tab->id, &accept,
264 bc10f6a5 2021-07-12 op sizeof(accept));
265 288fd238 2021-04-25 op
266 a2fd3805 2021-07-06 op if (accept) {
267 a2fd3805 2021-07-06 op /*
268 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
269 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
270 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
271 a2fd3805 2021-07-06 op * tabid (one request == one tab id) and crash. It
272 a2fd3805 2021-07-06 op * also makes sense to save it for the current session
273 a2fd3805 2021-07-06 op * if the user accepted it.
274 a2fd3805 2021-07-06 op */
275 a2fd3805 2021-07-06 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port, tab->cert);
276 a2fd3805 2021-07-06 op
277 288fd238 2021-04-25 op ui_yornp("Save the new certificate?",
278 a2fd3805 2021-07-06 op handle_maybe_save_new_cert, tab);
279 a2fd3805 2021-07-06 op } else {
280 288fd238 2021-04-25 op free(tab->cert);
281 288fd238 2021-04-25 op tab->cert = NULL;
282 288fd238 2021-04-25 op }
283 5e11c00c 2021-03-02 op }
284 5e11c00c 2021-03-02 op
285 288fd238 2021-04-25 op static void
286 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
287 288fd238 2021-04-25 op {
288 288fd238 2021-04-25 op struct tofu_entry *e;
289 984245ce 2021-06-23 op const char *host, *port;
290 288fd238 2021-04-25 op
291 984245ce 2021-06-23 op if (tab->proxy != NULL) {
292 984245ce 2021-06-23 op host = tab->proxy->host;
293 984245ce 2021-06-23 op port = tab->proxy->port;
294 984245ce 2021-06-23 op } else {
295 984245ce 2021-06-23 op host = tab->uri.host;
296 984245ce 2021-06-23 op port = tab->uri.port;
297 984245ce 2021-06-23 op }
298 984245ce 2021-06-23 op
299 288fd238 2021-04-25 op if (!accept)
300 288fd238 2021-04-25 op goto end;
301 288fd238 2021-04-25 op
302 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
303 288fd238 2021-04-25 op die();
304 288fd238 2021-04-25 op
305 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
306 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
307 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
308 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
309 288fd238 2021-04-25 op }
310 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
311 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_UPDATE_CERT, 0, e, sizeof(*e));
312 288fd238 2021-04-25 op
313 288fd238 2021-04-25 op tofu_update(&certs, e);
314 288fd238 2021-04-25 op
315 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
316 288fd238 2021-04-25 op
317 288fd238 2021-04-25 op end:
318 288fd238 2021-04-25 op free(tab->cert);
319 288fd238 2021-04-25 op tab->cert = NULL;
320 288fd238 2021-04-25 op }
321 288fd238 2021-04-25 op
322 5cd2ebb1 2021-03-11 op static inline int
323 5cd2ebb1 2021-03-11 op normalize_code(int n)
324 5cd2ebb1 2021-03-11 op {
325 5cd2ebb1 2021-03-11 op if (n < 20) {
326 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
327 5cd2ebb1 2021-03-11 op return n;
328 5cd2ebb1 2021-03-11 op return 10;
329 5cd2ebb1 2021-03-11 op } else if (n < 30) {
330 5cd2ebb1 2021-03-11 op return 20;
331 5cd2ebb1 2021-03-11 op } else if (n < 40) {
332 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
333 5cd2ebb1 2021-03-11 op return n;
334 5cd2ebb1 2021-03-11 op return 30;
335 5cd2ebb1 2021-03-11 op } else if (n < 50) {
336 5cd2ebb1 2021-03-11 op if (n <= 44)
337 5cd2ebb1 2021-03-11 op return n;
338 5cd2ebb1 2021-03-11 op return 40;
339 5cd2ebb1 2021-03-11 op } else if (n < 60) {
340 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
341 5cd2ebb1 2021-03-11 op return n;
342 5cd2ebb1 2021-03-11 op return 50;
343 5cd2ebb1 2021-03-11 op } else if (n < 70) {
344 5cd2ebb1 2021-03-11 op if (n <= 62)
345 5cd2ebb1 2021-03-11 op return n;
346 5cd2ebb1 2021-03-11 op return 60;
347 5cd2ebb1 2021-03-11 op } else
348 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
349 5cd2ebb1 2021-03-11 op }
350 5cd2ebb1 2021-03-11 op
351 5e11c00c 2021-03-02 op static void
352 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
353 5e11c00c 2021-03-02 op {
354 0972d8b2 2021-03-02 op struct tab *tab;
355 5e11c00c 2021-03-02 op
356 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
357 f6243012 2021-07-19 op return;
358 0972d8b2 2021-03-02 op
359 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
360 5e11c00c 2021-03-02 op die();
361 5e11c00c 2021-03-02 op
362 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
363 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
364 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
365 0972d8b2 2021-03-02 op tab->redirect_count = 0;
366 5e11c00c 2021-03-02 op }
367 5e11c00c 2021-03-02 op
368 5e11c00c 2021-03-02 op static void
369 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
370 5e11c00c 2021-03-02 op {
371 0972d8b2 2021-03-02 op struct tab *tab;
372 0972d8b2 2021-03-02 op
373 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
374 f6243012 2021-07-19 op return;
375 0972d8b2 2021-03-02 op
376 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
377 0972d8b2 2021-03-02 op die();
378 5cd2ebb1 2021-03-11 op
379 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
380 0972d8b2 2021-03-02 op
381 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
382 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
383 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
384 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
385 9a28e7e5 2021-08-03 op ui_require_input(tab, tab->code == 11, PROTO_GEMINI);
386 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
387 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
388 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
389 c07ac996 2021-03-12 op } else {
390 c07ac996 2021-03-12 op load_page_from_str(tab, err_pages[UNKNOWN_TYPE_OR_CSET]);
391 de2a69bb 2021-05-17 op ui_yornp("Can't display page, wanna save?",
392 a2fd3805 2021-07-06 op handle_maybe_save_page, tab);
393 c07ac996 2021-03-12 op }
394 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
395 3a9b9365 2021-03-09 op tab->redirect_count++;
396 0972d8b2 2021-03-02 op
397 3a9b9365 2021-03-09 op /* TODO: make customizable? */
398 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
399 3a9b9365 2021-03-09 op load_page_from_str(tab,
400 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
401 5cd2ebb1 2021-03-11 op } else
402 bd3a3a95 2021-07-20 op do_load_url(tab, tab->meta, NULL);
403 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
404 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
405 3a9b9365 2021-03-09 op }
406 de2a69bb 2021-05-17 op }
407 de2a69bb 2021-05-17 op
408 de2a69bb 2021-05-17 op static void
409 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
410 de2a69bb 2021-05-17 op {
411 de2a69bb 2021-05-17 op if (dosave)
412 d1353324 2021-07-13 op ui_read("Save to path", handle_save_page_path, tab);
413 de2a69bb 2021-05-17 op else
414 a2fd3805 2021-07-06 op stop_tab(tab);
415 de2a69bb 2021-05-17 op }
416 de2a69bb 2021-05-17 op
417 de2a69bb 2021-05-17 op static void
418 d1353324 2021-07-13 op handle_save_page_path(const char *path, struct tab *tab)
419 d1353324 2021-07-13 op {
420 de2a69bb 2021-05-17 op if (path == NULL) {
421 d1353324 2021-07-13 op stop_tab(tab);
422 de2a69bb 2021-05-17 op return;
423 de2a69bb 2021-05-17 op }
424 de2a69bb 2021-05-17 op
425 de2a69bb 2021-05-17 op tab->path = strdup(path);
426 de2a69bb 2021-05-17 op
427 d1353324 2021-07-13 op ui_send_fs(IMSG_FILE_OPEN, tab->id, path, strlen(path)+1);
428 5e11c00c 2021-03-02 op }
429 5e11c00c 2021-03-02 op
430 5e11c00c 2021-03-02 op static void
431 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
432 de2a69bb 2021-05-17 op {
433 de2a69bb 2021-05-17 op struct tab *tab;
434 de2a69bb 2021-05-17 op char *page;
435 de2a69bb 2021-05-17 op const char *e;
436 de2a69bb 2021-05-17 op int l;
437 de2a69bb 2021-05-17 op
438 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL) {
439 f6243012 2021-07-19 op if (imsg->fd != -1)
440 f6243012 2021-07-19 op close(imsg->fd);
441 f6243012 2021-07-19 op return;
442 f6243012 2021-07-19 op }
443 de2a69bb 2021-05-17 op
444 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
445 de2a69bb 2021-05-17 op stop_tab(tab);
446 de2a69bb 2021-05-17 op
447 de2a69bb 2021-05-17 op e = imsg->data;
448 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
449 de2a69bb 2021-05-17 op die();
450 de2a69bb 2021-05-17 op l = asprintf(&page, "# Can't open file\n\n> %s: %s\n",
451 de2a69bb 2021-05-17 op tab->path, e);
452 de2a69bb 2021-05-17 op if (l == -1)
453 de2a69bb 2021-05-17 op die();
454 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
455 de2a69bb 2021-05-17 op free(page);
456 de2a69bb 2021-05-17 op } else {
457 de2a69bb 2021-05-17 op tab->fd = imsg->fd;
458 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
459 de2a69bb 2021-05-17 op }
460 de2a69bb 2021-05-17 op }
461 de2a69bb 2021-05-17 op
462 de2a69bb 2021-05-17 op static void
463 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
464 5e11c00c 2021-03-02 op {
465 0972d8b2 2021-03-02 op struct tab *tab;
466 de2a69bb 2021-05-17 op int l;
467 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
468 5e11c00c 2021-03-02 op
469 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
470 5d6c2088 2021-07-19 op return;
471 5e11c00c 2021-03-02 op
472 de2a69bb 2021-05-17 op tab->bytes += datalen;
473 de2a69bb 2021-05-17 op if (tab->fd == -1) {
474 8c1b0837 2021-07-25 op if (!parser_parse(tab, imsg->data, datalen))
475 de2a69bb 2021-05-17 op die();
476 de2a69bb 2021-05-17 op } else {
477 de2a69bb 2021-05-17 op write(tab->fd, imsg->data, datalen);
478 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
479 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saving to \"%s\"... (%s)\n",
480 de2a69bb 2021-05-17 op tab->path,
481 0e1eff5b 2021-06-23 op buf);
482 de2a69bb 2021-05-17 op if (l == -1)
483 de2a69bb 2021-05-17 op die();
484 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
485 de2a69bb 2021-05-17 op free(page);
486 de2a69bb 2021-05-17 op }
487 5e11c00c 2021-03-02 op
488 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
489 5e11c00c 2021-03-02 op }
490 5e11c00c 2021-03-02 op
491 5e11c00c 2021-03-02 op static void
492 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
493 5e11c00c 2021-03-02 op {
494 2ba66cea 2021-03-22 op struct tab *tab;
495 de2a69bb 2021-05-17 op int l;
496 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
497 a5c3e03d 2021-03-02 op
498 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
499 f6243012 2021-07-19 op return;
500 de2a69bb 2021-05-17 op
501 de2a69bb 2021-05-17 op if (tab->fd == -1) {
502 8c1b0837 2021-07-25 op if (!parser_free(tab))
503 de2a69bb 2021-05-17 op die();
504 de2a69bb 2021-05-17 op } else {
505 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
506 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saved to \"%s\" (%s)\n",
507 de2a69bb 2021-05-17 op tab->path,
508 0e1eff5b 2021-06-23 op buf);
509 de2a69bb 2021-05-17 op if (l == -1)
510 de2a69bb 2021-05-17 op die();
511 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
512 de2a69bb 2021-05-17 op free(page);
513 a5c3e03d 2021-03-02 op
514 de2a69bb 2021-05-17 op close(tab->fd);
515 de2a69bb 2021-05-17 op tab->fd = -1;
516 de2a69bb 2021-05-17 op free(tab->path);
517 de2a69bb 2021-05-17 op tab->path = NULL;
518 de2a69bb 2021-05-17 op }
519 de2a69bb 2021-05-17 op
520 2ba66cea 2021-03-22 op ui_on_tab_refresh(tab);
521 2ba66cea 2021-03-22 op ui_on_tab_loaded(tab);
522 5e11c00c 2021-03-02 op }
523 5e11c00c 2021-03-02 op
524 5e11c00c 2021-03-02 op static void
525 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
526 740f578b 2021-03-15 op {
527 740f578b 2021-03-15 op int res;
528 740f578b 2021-03-15 op
529 740f578b 2021-03-15 op if (datalen != sizeof(res))
530 740f578b 2021-03-15 op die();
531 740f578b 2021-03-15 op
532 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
533 740f578b 2021-03-15 op if (res == 0)
534 7f963c41 2021-06-20 op message("Added to bookmarks!");
535 740f578b 2021-03-15 op else
536 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
537 740f578b 2021-03-15 op strerror(res));
538 740f578b 2021-03-15 op }
539 740f578b 2021-03-15 op
540 740f578b 2021-03-15 op static void
541 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
542 3a227e9a 2021-03-18 op {
543 3a227e9a 2021-03-18 op int res;
544 3a227e9a 2021-03-18 op
545 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
546 3a227e9a 2021-03-18 op die();
547 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
548 3a227e9a 2021-03-18 op if (res != 0)
549 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
550 3a227e9a 2021-03-18 op strerror(res));
551 288fd238 2021-04-25 op }
552 288fd238 2021-04-25 op
553 288fd238 2021-04-25 op static void
554 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
555 288fd238 2021-04-25 op {
556 288fd238 2021-04-25 op int res;
557 288fd238 2021-04-25 op
558 288fd238 2021-04-25 op if (datalen != sizeof(res))
559 288fd238 2021-04-25 op die();
560 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
561 288fd238 2021-04-25 op if (!res)
562 7f963c41 2021-06-20 op message("Failed to update the certificate");
563 3a227e9a 2021-03-18 op }
564 3a227e9a 2021-03-18 op
565 3a227e9a 2021-03-18 op static void
566 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
567 5e11c00c 2021-03-02 op {
568 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
569 ea080950 2021-07-20 op
570 ea080950 2021-07-20 op if (dispatch_imsg(iev, ev, handlers, sizeof(handlers)) == -1)
571 ea080950 2021-07-20 op err(1, "connection closed");
572 5e11c00c 2021-03-02 op }
573 5e11c00c 2021-03-02 op
574 b38cd1f7 2021-08-03 op static int
575 0972d8b2 2021-03-02 op load_page_from_str(struct tab *tab, const char *page)
576 0972d8b2 2021-03-02 op {
577 00ccb53d 2021-07-01 op erase_buffer(&tab->buffer);
578 8c1b0837 2021-07-25 op parser_init(tab, gemtext_initparser);
579 46f6e974 2021-05-17 op if (!tab->buffer.page.parse(&tab->buffer.page, page, strlen(page)))
580 0972d8b2 2021-03-02 op die();
581 46f6e974 2021-05-17 op if (!tab->buffer.page.free(&tab->buffer.page))
582 0972d8b2 2021-03-02 op die();
583 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
584 8af5e5ed 2021-03-08 op ui_on_tab_loaded(tab);
585 b38cd1f7 2021-08-03 op return 0;
586 0972d8b2 2021-03-02 op }
587 0972d8b2 2021-03-02 op
588 1c690d0a 2021-08-03 op static int
589 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
590 0972d8b2 2021-03-02 op {
591 7b2aac84 2021-08-13 op tab->trust = TS_UNKNOWN;
592 8c1b0837 2021-07-25 op parser_init(tab, gemtext_initparser);
593 c7586aab 2021-08-13 op return make_fs_request(tab, IMSG_GET, url);
594 4d3785b1 2021-03-09 op }
595 0972d8b2 2021-03-02 op
596 1c690d0a 2021-08-03 op static int
597 0b1053d2 2021-08-13 op load_file_url(struct tab *tab, const char *url)
598 0b1053d2 2021-08-13 op {
599 0b1053d2 2021-08-13 op tab->trust = TS_UNKNOWN;
600 0b1053d2 2021-08-13 op return make_fs_request(tab, IMSG_GET_FILE, tab->uri.path);
601 0b1053d2 2021-08-13 op }
602 0b1053d2 2021-08-13 op
603 0b1053d2 2021-08-13 op static int
604 5fb52fc0 2021-07-25 op load_finger_url(struct tab *tab, const char *url)
605 5fb52fc0 2021-07-25 op {
606 5fb52fc0 2021-07-25 op struct get_req req;
607 5fb52fc0 2021-07-25 op size_t len;
608 5fb52fc0 2021-07-25 op char *at;
609 5fb52fc0 2021-07-25 op
610 5fb52fc0 2021-07-25 op memset(&req, 0, sizeof(req));
611 ba782cb8 2021-07-25 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
612 5fb52fc0 2021-07-25 op
613 5fb52fc0 2021-07-25 op /*
614 5fb52fc0 2021-07-25 op * Sometimes the finger url have the user as path component
615 5fb52fc0 2021-07-25 op * (e.g. finger://thelambdalab.xyz/plugd), sometimes as
616 5fb52fc0 2021-07-25 op * userinfo (e.g. finger://cobradile@finger.farm).
617 5fb52fc0 2021-07-25 op */
618 5fb52fc0 2021-07-25 op if ((at = strchr(tab->uri.host, '@')) != NULL) {
619 5fb52fc0 2021-07-25 op len = at - tab->uri.host;
620 5fb52fc0 2021-07-25 op memcpy(req.req, tab->uri.host, len);
621 5fb52fc0 2021-07-25 op
622 5fb52fc0 2021-07-25 op if (len >= sizeof(req.req))
623 5fb52fc0 2021-07-25 op die();
624 5fb52fc0 2021-07-25 op req.req[len] = '\0';
625 5fb52fc0 2021-07-25 op
626 5fb52fc0 2021-07-25 op strlcpy(req.host, at+1, sizeof(req.host));
627 5fb52fc0 2021-07-25 op } else {
628 5fb52fc0 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
629 5fb52fc0 2021-07-25 op
630 5fb52fc0 2021-07-25 op /* +1 to skip the initial `/' */
631 5fb52fc0 2021-07-25 op strlcpy(req.req, tab->uri.path+1, sizeof(req.req));
632 5fb52fc0 2021-07-25 op }
633 5fb52fc0 2021-07-25 op strlcat(req.req, "\r\n", sizeof(req.req));
634 5fb52fc0 2021-07-25 op
635 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
636 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_FINGER, NULL);
637 5fb52fc0 2021-07-25 op }
638 5fb52fc0 2021-07-25 op
639 1c690d0a 2021-08-03 op static int
640 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
641 4d3785b1 2021-03-09 op {
642 984245ce 2021-06-23 op struct get_req req;
643 2eef3403 2021-04-22 op
644 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
645 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
646 984245ce 2021-06-23 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
647 984245ce 2021-06-23 op
648 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_GEMINI, tab->hist_cur->h);
649 ca190c99 2021-08-14 op }
650 ca190c99 2021-08-14 op
651 ca190c99 2021-08-14 op static inline const char *
652 ca190c99 2021-08-14 op gopher_skip_selector(const char *path, int *ret_type)
653 ca190c99 2021-08-14 op {
654 ca190c99 2021-08-14 op *ret_type = 0;
655 ca190c99 2021-08-14 op
656 ca190c99 2021-08-14 op if (!strcmp(path, "/") || *path == '\0') {
657 ca190c99 2021-08-14 op *ret_type = '1';
658 ca190c99 2021-08-14 op return path;
659 ca190c99 2021-08-14 op }
660 ca190c99 2021-08-14 op
661 ca190c99 2021-08-14 op if (*path != '/')
662 ca190c99 2021-08-14 op return path;
663 ca190c99 2021-08-14 op path++;
664 ca190c99 2021-08-14 op
665 ca190c99 2021-08-14 op switch (*ret_type = *path) {
666 ca190c99 2021-08-14 op case '0':
667 ca190c99 2021-08-14 op case '1':
668 ca190c99 2021-08-14 op case '7':
669 ca190c99 2021-08-14 op break;
670 ca190c99 2021-08-14 op
671 ca190c99 2021-08-14 op default:
672 ca190c99 2021-08-14 op *ret_type = 0;
673 ca190c99 2021-08-14 op path -= 1;
674 ca190c99 2021-08-14 op return path;
675 ca190c99 2021-08-14 op }
676 ca190c99 2021-08-14 op
677 ca190c99 2021-08-14 op path++;
678 ca190c99 2021-08-14 op if (*path == '/')
679 ca190c99 2021-08-14 op path++;
680 ca190c99 2021-08-14 op
681 ca190c99 2021-08-14 op return path;
682 1663bf1e 2021-07-25 op }
683 1663bf1e 2021-07-25 op
684 1c690d0a 2021-08-03 op static int
685 1663bf1e 2021-07-25 op load_gopher_url(struct tab *tab, const char *url)
686 1663bf1e 2021-07-25 op {
687 81839fee 2021-07-25 op struct get_req req;
688 ca190c99 2021-08-14 op int type;
689 81839fee 2021-07-25 op const char *path;
690 1663bf1e 2021-07-25 op
691 1663bf1e 2021-07-25 op memset(&req, 0, sizeof(req));
692 1663bf1e 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
693 1663bf1e 2021-07-25 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
694 1663bf1e 2021-07-25 op
695 ca190c99 2021-08-14 op path = gopher_skip_selector(tab->uri.path, &type);
696 ca190c99 2021-08-14 op switch (type) {
697 ca190c99 2021-08-14 op case '0':
698 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
699 ca190c99 2021-08-14 op break;
700 ca190c99 2021-08-14 op case '1':
701 ca190c99 2021-08-14 op parser_init(tab, gophermap_initparser);
702 ca190c99 2021-08-14 op break;
703 ca190c99 2021-08-14 op case '7':
704 9a28e7e5 2021-08-03 op ui_require_input(tab, 0, PROTO_GOPHER);
705 9a28e7e5 2021-08-03 op return load_page_from_str(tab, err_pages[10]);
706 ca190c99 2021-08-14 op default:
707 ca190c99 2021-08-14 op return load_page_from_str(tab, "Unknown gopher selector");
708 81839fee 2021-07-25 op }
709 81839fee 2021-07-25 op
710 9a28e7e5 2021-08-03 op strlcpy(req.req, path, sizeof(req.req));
711 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
712 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
713 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
714 9a28e7e5 2021-08-03 op }
715 767da05c 2021-08-13 op strlcat(req.req, "\r\n", sizeof(req.req));
716 9a28e7e5 2021-08-03 op
717 767da05c 2021-08-13 op return make_request(tab, &req, PROTO_GOPHER, NULL);
718 0972d8b2 2021-03-02 op }
719 0972d8b2 2021-03-02 op
720 1c690d0a 2021-08-03 op static int
721 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
722 984245ce 2021-06-23 op {
723 984245ce 2021-06-23 op struct get_req req;
724 984245ce 2021-06-23 op
725 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
726 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
727 984245ce 2021-06-23 op strlcpy(req.port, p->port, sizeof(req.host));
728 984245ce 2021-06-23 op
729 cf1195ce 2021-07-25 op tab->proxy = p;
730 984245ce 2021-06-23 op
731 1c690d0a 2021-08-03 op return make_request(tab, &req, p->proto, tab->hist_cur->h);
732 cf1195ce 2021-07-25 op }
733 984245ce 2021-06-23 op
734 1c690d0a 2021-08-03 op static int
735 cf1195ce 2021-07-25 op make_request(struct tab *tab, struct get_req *req, int proto, const char *r)
736 cf1195ce 2021-07-25 op {
737 cf1195ce 2021-07-25 op stop_tab(tab);
738 cf1195ce 2021-07-25 op tab->id = tab_new_id();
739 cf1195ce 2021-07-25 op req->proto = proto;
740 cf1195ce 2021-07-25 op
741 cf1195ce 2021-07-25 op if (r != NULL) {
742 cf1195ce 2021-07-25 op strlcpy(req->req, r, sizeof(req->req));
743 cf1195ce 2021-07-25 op strlcat(req->req, "\r\n", sizeof(req->req));
744 cf1195ce 2021-07-25 op }
745 cf1195ce 2021-07-25 op
746 cf1195ce 2021-07-25 op ui_send_net(IMSG_GET_RAW, tab->id, req, sizeof(*req));
747 1c690d0a 2021-08-03 op
748 1c690d0a 2021-08-03 op /*
749 1c690d0a 2021-08-03 op * So the various load_*_url can `return make_request` and
750 1c690d0a 2021-08-03 op * do_load_url is happy.
751 1c690d0a 2021-08-03 op */
752 1c690d0a 2021-08-03 op return 1;
753 984245ce 2021-06-23 op }
754 984245ce 2021-06-23 op
755 c7586aab 2021-08-13 op static int
756 c7586aab 2021-08-13 op make_fs_request(struct tab *tab, int type, const char *r)
757 c7586aab 2021-08-13 op {
758 c7586aab 2021-08-13 op stop_tab(tab);
759 c7586aab 2021-08-13 op tab->id = tab_new_id();
760 c7586aab 2021-08-13 op
761 c7586aab 2021-08-13 op ui_send_fs(type, tab->id, r, strlen(r)+1);
762 c7586aab 2021-08-13 op
763 c7586aab 2021-08-13 op /*
764 c7586aab 2021-08-13 op * So load_{about,file}_url can `return make_fs_request` and
765 c7586aab 2021-08-13 op * do_load_url is happy.
766 c7586aab 2021-08-13 op */
767 c7586aab 2021-08-13 op return 1;
768 c7586aab 2021-08-13 op }
769 c7586aab 2021-08-13 op
770 9a28e7e5 2021-08-03 op void
771 9a28e7e5 2021-08-03 op gopher_send_search_req(struct tab *tab, const char *text)
772 9a28e7e5 2021-08-03 op {
773 9a28e7e5 2021-08-03 op struct get_req req;
774 1b0e6efc 2021-08-08 op
775 1b0e6efc 2021-08-08 op start_loading_anim(tab);
776 9a28e7e5 2021-08-03 op
777 9a28e7e5 2021-08-03 op memset(&req, 0, sizeof(req));
778 9a28e7e5 2021-08-03 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
779 9a28e7e5 2021-08-03 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
780 9a28e7e5 2021-08-03 op
781 9a28e7e5 2021-08-03 op /* +2 to skip /7 */
782 9a28e7e5 2021-08-03 op strlcpy(req.req, tab->uri.path+2, sizeof(req.req));
783 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
784 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
785 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
786 9a28e7e5 2021-08-03 op }
787 9a28e7e5 2021-08-03 op
788 9a28e7e5 2021-08-03 op strlcat(req.req, "\t", sizeof(req.req));
789 9a28e7e5 2021-08-03 op strlcat(req.req, text, sizeof(req.req));
790 9a28e7e5 2021-08-03 op strlcat(req.req, "\r\n", sizeof(req.req));
791 9a28e7e5 2021-08-03 op
792 9a28e7e5 2021-08-03 op erase_buffer(&tab->buffer);
793 9a28e7e5 2021-08-03 op parser_init(tab, gophermap_initparser);
794 9a28e7e5 2021-08-03 op
795 9a28e7e5 2021-08-03 op make_request(tab, &req, PROTO_GOPHER, NULL);
796 9a28e7e5 2021-08-03 op }
797 9a28e7e5 2021-08-03 op
798 adea4eec 2021-07-16 op /*
799 adea4eec 2021-07-16 op * Effectively load the given url in the given tab. Return 1 when
800 adea4eec 2021-07-16 op * loading the page asynchronously, and thus when an erase_buffer can
801 adea4eec 2021-07-16 op * be done right after this function return, or 0 when loading the
802 adea4eec 2021-07-16 op * page synchronously. In this last case, erase_buffer *MUST* be
803 adea4eec 2021-07-16 op * called by the handling function (such as load_page_from_str).
804 adea4eec 2021-07-16 op */
805 adea4eec 2021-07-16 op static int
806 bd3a3a95 2021-07-20 op do_load_url(struct tab *tab, const char *url, const char *base)
807 4d3785b1 2021-03-09 op {
808 31f1a758 2021-04-22 op struct phos_uri uri;
809 31f1a758 2021-04-22 op struct proto *p;
810 984245ce 2021-06-23 op struct proxy *proxy;
811 31f1a758 2021-04-22 op char *t;
812 7943bb81 2021-07-10 op
813 7943bb81 2021-07-10 op tab->proxy = NULL;
814 de2a69bb 2021-05-17 op
815 de2a69bb 2021-05-17 op if (tab->fd != -1) {
816 de2a69bb 2021-05-17 op close(tab->fd);
817 de2a69bb 2021-05-17 op tab->fd = -1;
818 de2a69bb 2021-05-17 op free(tab->path);
819 de2a69bb 2021-05-17 op tab->path = NULL;
820 de2a69bb 2021-05-17 op }
821 4d3785b1 2021-03-09 op
822 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
823 10346511 2021-03-17 op
824 bd3a3a95 2021-07-20 op if (base == NULL)
825 bd3a3a95 2021-07-20 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
826 bd3a3a95 2021-07-20 op else
827 bd3a3a95 2021-07-20 op phos_parse_absolute_uri(base, &uri);
828 bd3a3a95 2021-07-20 op
829 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
830 902fc2c2 2021-07-25 op if (asprintf(&t, "#error loading %s\n>%s\n",
831 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
832 31f1a758 2021-04-22 op die();
833 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
834 31f1a758 2021-04-22 op load_page_from_str(tab, t);
835 31f1a758 2021-04-22 op free(t);
836 adea4eec 2021-07-16 op return 0;
837 31f1a758 2021-04-22 op }
838 31f1a758 2021-04-22 op
839 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
840 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
841 31f1a758 2021-04-22 op
842 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
843 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
844 ba782cb8 2021-07-25 op /* patch the port */
845 ba782cb8 2021-07-25 op if (*tab->uri.port == '\0' && p->port != NULL)
846 ba782cb8 2021-07-25 op strlcpy(tab->uri.port, p->port,
847 ba782cb8 2021-07-25 op sizeof(tab->uri.port));
848 ba782cb8 2021-07-25 op
849 1c690d0a 2021-08-03 op return p->loadfn(tab, url);
850 4d3785b1 2021-03-09 op }
851 4d3785b1 2021-03-09 op }
852 4d3785b1 2021-03-09 op
853 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
854 1c690d0a 2021-08-03 op if (!strcmp(tab->uri.scheme, proxy->match_proto))
855 1c690d0a 2021-08-03 op return load_via_proxy(tab, url, proxy);
856 984245ce 2021-06-23 op }
857 984245ce 2021-06-23 op
858 b38cd1f7 2021-08-03 op return load_page_from_str(tab, err_pages[UNKNOWN_PROTOCOL]);
859 4d3785b1 2021-03-09 op }
860 4d3785b1 2021-03-09 op
861 2ddbda6b 2021-07-17 op /*
862 2ddbda6b 2021-07-17 op * Load url in tab. If tab is marked as lazy, only prepare the url
863 2ddbda6b 2021-07-17 op * but don't load it. If tab is lazy and a url was already prepared,
864 2ddbda6b 2021-07-17 op * do load it!
865 2ddbda6b 2021-07-17 op */
866 9ad4627d 2021-03-10 op void
867 bc55cdb9 2021-08-12 op load_url(struct tab *tab, const char *url, const char *base, int nohist)
868 2051e653 2021-03-13 op {
869 2ddbda6b 2021-07-17 op int lazy;
870 2051e653 2021-03-13 op
871 2ddbda6b 2021-07-17 op lazy = tab->flags & TAB_LAZY;
872 2ddbda6b 2021-07-17 op
873 2ddbda6b 2021-07-17 op if (lazy && tab->hist_cur != NULL) {
874 2ddbda6b 2021-07-17 op lazy = 0;
875 2ddbda6b 2021-07-17 op tab->flags &= ~TAB_LAZY;
876 2051e653 2021-03-13 op }
877 984245ce 2021-06-23 op
878 bc55cdb9 2021-08-12 op /* can't have both nohist and lazy at the same time. */
879 bc55cdb9 2021-08-12 op if (nohist && lazy)
880 bc55cdb9 2021-08-12 op nohist = 0;
881 bc55cdb9 2021-08-12 op
882 bc55cdb9 2021-08-12 op if (!nohist && (!lazy || tab->hist_cur == NULL)) {
883 2ddbda6b 2021-07-17 op if (tab->hist_cur != NULL)
884 2ddbda6b 2021-07-17 op hist_clear_forward(&tab->hist,
885 2ddbda6b 2021-07-17 op TAILQ_NEXT(tab->hist_cur, entries));
886 2ddbda6b 2021-07-17 op
887 2ddbda6b 2021-07-17 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur))) == NULL) {
888 2ddbda6b 2021-07-17 op event_loopbreak();
889 2ddbda6b 2021-07-17 op return;
890 2ddbda6b 2021-07-17 op }
891 2ddbda6b 2021-07-17 op
892 2ddbda6b 2021-07-17 op strlcpy(tab->buffer.page.title, url,
893 2ddbda6b 2021-07-17 op sizeof(tab->buffer.page.title));
894 2ddbda6b 2021-07-17 op hist_push(&tab->hist, tab->hist_cur);
895 2ddbda6b 2021-07-17 op
896 2ddbda6b 2021-07-17 op if (lazy)
897 2ddbda6b 2021-07-17 op strlcpy(tab->hist_cur->h, url,
898 2ddbda6b 2021-07-17 op sizeof(tab->hist_cur->h));
899 2ddbda6b 2021-07-17 op }
900 2ddbda6b 2021-07-17 op
901 bd3a3a95 2021-07-20 op if (!lazy && do_load_url(tab, url, base))
902 adea4eec 2021-07-16 op erase_buffer(&tab->buffer);
903 2051e653 2021-03-13 op }
904 2051e653 2021-03-13 op
905 a37d1a1c 2021-08-14 op void
906 a37d1a1c 2021-08-14 op load_url_in_tab(struct tab *tab, const char *url, const char *base, int nohist)
907 a37d1a1c 2021-08-14 op {
908 a37d1a1c 2021-08-14 op if (!operating) {
909 a37d1a1c 2021-08-14 op load_url(tab, url, base, nohist);
910 a37d1a1c 2021-08-14 op return;
911 a37d1a1c 2021-08-14 op }
912 a37d1a1c 2021-08-14 op
913 a37d1a1c 2021-08-14 op autosave_hook();
914 a37d1a1c 2021-08-14 op
915 a37d1a1c 2021-08-14 op message("Loading %s...", url);
916 a37d1a1c 2021-08-14 op start_loading_anim(tab);
917 a37d1a1c 2021-08-14 op load_url(tab, url, base, nohist);
918 a37d1a1c 2021-08-14 op }
919 a37d1a1c 2021-08-14 op
920 2051e653 2021-03-13 op int
921 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
922 2051e653 2021-03-13 op {
923 2051e653 2021-03-13 op struct hist *h;
924 2051e653 2021-03-13 op
925 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
926 2051e653 2021-03-13 op return 0;
927 2051e653 2021-03-13 op tab->hist_cur = h;
928 bd3a3a95 2021-07-20 op do_load_url(tab, h->h, NULL);
929 2051e653 2021-03-13 op return 1;
930 2051e653 2021-03-13 op }
931 2051e653 2021-03-13 op
932 2051e653 2021-03-13 op int
933 2051e653 2021-03-13 op load_next_page(struct tab *tab)
934 2051e653 2021-03-13 op {
935 2051e653 2021-03-13 op struct hist *h;
936 2051e653 2021-03-13 op
937 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
938 2051e653 2021-03-13 op return 0;
939 2051e653 2021-03-13 op tab->hist_cur = h;
940 bd3a3a95 2021-07-20 op do_load_url(tab, h->h, NULL);
941 2051e653 2021-03-13 op return 1;
942 2051e653 2021-03-13 op }
943 2051e653 2021-03-13 op
944 a37d1a1c 2021-08-14 op void
945 a37d1a1c 2021-08-14 op switch_to_tab(struct tab *tab)
946 a37d1a1c 2021-08-14 op {
947 a37d1a1c 2021-08-14 op current_tab = tab;
948 a37d1a1c 2021-08-14 op tab->flags &= ~TAB_URGENT;
949 a37d1a1c 2021-08-14 op
950 a37d1a1c 2021-08-14 op if (operating && tab->flags & TAB_LAZY)
951 a37d1a1c 2021-08-14 op load_url_in_tab(tab, tab->hist_cur->h, NULL, 0);
952 a37d1a1c 2021-08-14 op }
953 a37d1a1c 2021-08-14 op
954 a37d1a1c 2021-08-14 op unsigned int
955 a37d1a1c 2021-08-14 op tab_new_id(void)
956 a37d1a1c 2021-08-14 op {
957 a37d1a1c 2021-08-14 op static uint32_t tab_counter;
958 a37d1a1c 2021-08-14 op
959 a37d1a1c 2021-08-14 op return tab_counter++;
960 a37d1a1c 2021-08-14 op }
961 a37d1a1c 2021-08-14 op
962 a37d1a1c 2021-08-14 op struct tab *
963 a37d1a1c 2021-08-14 op new_tab(const char *url, const char *base, struct tab *after)
964 a37d1a1c 2021-08-14 op {
965 a37d1a1c 2021-08-14 op struct tab *tab;
966 a37d1a1c 2021-08-14 op
967 a37d1a1c 2021-08-14 op autosave_hook();
968 a37d1a1c 2021-08-14 op
969 a37d1a1c 2021-08-14 op if ((tab = calloc(1, sizeof(*tab))) == NULL) {
970 a37d1a1c 2021-08-14 op event_loopbreak();
971 a37d1a1c 2021-08-14 op return NULL;
972 a37d1a1c 2021-08-14 op }
973 a37d1a1c 2021-08-14 op tab->fd = -1;
974 a37d1a1c 2021-08-14 op
975 a37d1a1c 2021-08-14 op TAILQ_INIT(&tab->hist.head);
976 a37d1a1c 2021-08-14 op
977 a37d1a1c 2021-08-14 op TAILQ_INIT(&tab->buffer.head);
978 a37d1a1c 2021-08-14 op TAILQ_INIT(&tab->buffer.page.head);
979 a37d1a1c 2021-08-14 op
980 a37d1a1c 2021-08-14 op tab->id = tab_new_id();
981 a37d1a1c 2021-08-14 op if (!operating)
982 a37d1a1c 2021-08-14 op tab->flags |= TAB_LAZY;
983 a37d1a1c 2021-08-14 op switch_to_tab(tab);
984 a37d1a1c 2021-08-14 op
985 a37d1a1c 2021-08-14 op if (after != NULL)
986 a37d1a1c 2021-08-14 op TAILQ_INSERT_AFTER(&tabshead, after, tab, tabs);
987 a37d1a1c 2021-08-14 op else
988 a37d1a1c 2021-08-14 op TAILQ_INSERT_TAIL(&tabshead, tab, tabs);
989 a37d1a1c 2021-08-14 op
990 a37d1a1c 2021-08-14 op load_url_in_tab(tab, url, base, 0);
991 a37d1a1c 2021-08-14 op return tab;
992 a37d1a1c 2021-08-14 op }
993 a37d1a1c 2021-08-14 op
994 90730426 2021-07-21 op /*
995 90730426 2021-07-21 op * Free every resource linked to the tab, including the tab itself.
996 90730426 2021-07-21 op * Removes the tab from the tablist, but doesn't update the
997 90730426 2021-07-21 op * current_tab though.
998 90730426 2021-07-21 op */
999 2051e653 2021-03-13 op void
1000 90730426 2021-07-21 op free_tab(struct tab *tab)
1001 90730426 2021-07-21 op {
1002 90730426 2021-07-21 op stop_tab(tab);
1003 ecfbb1d4 2021-08-14 op
1004 ecfbb1d4 2021-08-14 op autosave_hook();
1005 90730426 2021-07-21 op
1006 90730426 2021-07-21 op if (evtimer_pending(&tab->loadingev, NULL))
1007 90730426 2021-07-21 op evtimer_del(&tab->loadingev);
1008 90730426 2021-07-21 op
1009 90730426 2021-07-21 op TAILQ_REMOVE(&tabshead, tab, tabs);
1010 90730426 2021-07-21 op free(tab);
1011 90730426 2021-07-21 op }
1012 90730426 2021-07-21 op
1013 90730426 2021-07-21 op void
1014 9ad4627d 2021-03-10 op stop_tab(struct tab *tab)
1015 9ad4627d 2021-03-10 op {
1016 bc10f6a5 2021-07-12 op ui_send_net(IMSG_STOP, tab->id, NULL, 0);
1017 de2a69bb 2021-05-17 op
1018 de2a69bb 2021-05-17 op if (tab->fd != -1) {
1019 de2a69bb 2021-05-17 op close(tab->fd);
1020 de2a69bb 2021-05-17 op tab->fd = -1;
1021 de2a69bb 2021-05-17 op free(tab->path);
1022 de2a69bb 2021-05-17 op tab->path = NULL;
1023 de2a69bb 2021-05-17 op load_page_from_str(tab, "Stopped.\n");
1024 de2a69bb 2021-05-17 op }
1025 9ad4627d 2021-03-10 op }
1026 9ad4627d 2021-03-10 op
1027 740f578b 2021-03-15 op void
1028 740f578b 2021-03-15 op add_to_bookmarks(const char *str)
1029 740f578b 2021-03-15 op {
1030 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_BOOKMARK_PAGE, 0,
1031 bc10f6a5 2021-07-12 op str, strlen(str)+1);
1032 c7107cec 2021-04-01 op }
1033 c7107cec 2021-04-01 op
1034 c7107cec 2021-04-01 op void
1035 c7107cec 2021-04-01 op save_session(void)
1036 c7107cec 2021-04-01 op {
1037 87e3e801 2021-07-17 op struct tab *tab;
1038 2f524b17 2021-07-17 op char *t;
1039 87e3e801 2021-07-17 op int flags;
1040 c7107cec 2021-04-01 op
1041 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_START, 0, NULL, 0);
1042 c7107cec 2021-04-01 op
1043 c7107cec 2021-04-01 op TAILQ_FOREACH(tab, &tabshead, tabs) {
1044 87e3e801 2021-07-17 op flags = tab->flags;
1045 87e3e801 2021-07-17 op if (tab == current_tab)
1046 87e3e801 2021-07-17 op flags |= TAB_CURRENT;
1047 2f524b17 2021-07-17 op
1048 2f524b17 2021-07-17 op t = tab->hist_cur->h;
1049 2f524b17 2021-07-17 op ui_send_fs(IMSG_SESSION_TAB, flags, t, strlen(t)+1);
1050 2f524b17 2021-07-17 op
1051 2f524b17 2021-07-17 op t = tab->buffer.page.title;
1052 2f524b17 2021-07-17 op ui_send_fs(IMSG_SESSION_TAB_TITLE, 0, t, strlen(t)+1);
1053 c7107cec 2021-04-01 op }
1054 c7107cec 2021-04-01 op
1055 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SESSION_END, 0, NULL, 0);
1056 ecfbb1d4 2021-08-14 op }
1057 ecfbb1d4 2021-08-14 op
1058 ecfbb1d4 2021-08-14 op static void
1059 ecfbb1d4 2021-08-14 op autosave_timer(int fd, short event, void *data)
1060 ecfbb1d4 2021-08-14 op {
1061 ecfbb1d4 2021-08-14 op save_session();
1062 ecfbb1d4 2021-08-14 op }
1063 ecfbb1d4 2021-08-14 op
1064 ecfbb1d4 2021-08-14 op /*
1065 ecfbb1d4 2021-08-14 op * Function to be called in "interesting" places where we may want to
1066 ecfbb1d4 2021-08-14 op * schedule an autosave (like on new tab or before loading an url.)
1067 ecfbb1d4 2021-08-14 op */
1068 ecfbb1d4 2021-08-14 op void
1069 ecfbb1d4 2021-08-14 op autosave_hook(void)
1070 ecfbb1d4 2021-08-14 op {
1071 ecfbb1d4 2021-08-14 op struct timeval tv;
1072 ecfbb1d4 2021-08-14 op
1073 ecfbb1d4 2021-08-14 op if (autosave <= 0)
1074 ecfbb1d4 2021-08-14 op return;
1075 ecfbb1d4 2021-08-14 op
1076 ecfbb1d4 2021-08-14 op if (!evtimer_pending(&autosaveev, NULL)) {
1077 ecfbb1d4 2021-08-14 op tv.tv_sec = autosave;
1078 ecfbb1d4 2021-08-14 op tv.tv_usec = 0;
1079 ecfbb1d4 2021-08-14 op
1080 ecfbb1d4 2021-08-14 op evtimer_add(&autosaveev, &tv);
1081 ecfbb1d4 2021-08-14 op }
1082 d2544989 2021-07-08 op }
1083 d2544989 2021-07-08 op
1084 87e3e801 2021-07-17 op /*
1085 87e3e801 2021-07-17 op * Parse a line of the session file. The format is:
1086 87e3e801 2021-07-17 op *
1087 2f524b17 2021-07-17 op * URL [flags,...] [title]\n
1088 87e3e801 2021-07-17 op */
1089 d2544989 2021-07-08 op static void
1090 2f524b17 2021-07-17 op parse_session_line(char *line, const char **title, uint32_t *flags)
1091 d2544989 2021-07-08 op {
1092 2f524b17 2021-07-17 op char *s, *t, *ap;
1093 87e3e801 2021-07-17 op
1094 2f524b17 2021-07-17 op *title = "";
1095 87e3e801 2021-07-17 op *flags = 0;
1096 87e3e801 2021-07-17 op if ((s = strchr(line, ' ')) == NULL)
1097 87e3e801 2021-07-17 op return;
1098 87e3e801 2021-07-17 op
1099 87e3e801 2021-07-17 op *s++ = '\0';
1100 2f524b17 2021-07-17 op
1101 2f524b17 2021-07-17 op if ((t = strchr(s, ' ')) != NULL) {
1102 2f524b17 2021-07-17 op *t++ = '\0';
1103 2f524b17 2021-07-17 op *title = t;
1104 2f524b17 2021-07-17 op }
1105 2f524b17 2021-07-17 op
1106 87e3e801 2021-07-17 op while ((ap = strsep(&s, ",")) != NULL) {
1107 87e3e801 2021-07-17 op if (*ap == '\0')
1108 87e3e801 2021-07-17 op ;
1109 87e3e801 2021-07-17 op else if (!strcmp(ap, "current"))
1110 87e3e801 2021-07-17 op *flags |= TAB_CURRENT;
1111 87e3e801 2021-07-17 op else
1112 87e3e801 2021-07-17 op message("unknown tab flag: %s", ap);
1113 87e3e801 2021-07-17 op }
1114 87e3e801 2021-07-17 op }
1115 87e3e801 2021-07-17 op
1116 87e3e801 2021-07-17 op static void
1117 87e3e801 2021-07-17 op load_last_session(void)
1118 87e3e801 2021-07-17 op {
1119 2f524b17 2021-07-17 op const char *title;
1120 87e3e801 2021-07-17 op char *nl, *line = NULL;
1121 87e3e801 2021-07-17 op uint32_t flags;
1122 87e3e801 2021-07-17 op size_t linesize = 0;
1123 87e3e801 2021-07-17 op ssize_t linelen;
1124 87e3e801 2021-07-17 op FILE *session;
1125 259cf35a 2021-07-18 op struct tab *tab, *curr = NULL;
1126 87e3e801 2021-07-17 op
1127 87e3e801 2021-07-17 op if ((session = fopen(session_file, "r")) == NULL) {
1128 87e3e801 2021-07-17 op /* first time? */
1129 55eb4d95 2021-08-12 op new_tab("about:new", NULL, NULL);
1130 55eb4d95 2021-08-12 op switch_to_tab(new_tab("about:help", NULL, NULL));
1131 87e3e801 2021-07-17 op return;
1132 87e3e801 2021-07-17 op }
1133 87e3e801 2021-07-17 op
1134 87e3e801 2021-07-17 op while ((linelen = getline(&line, &linesize, session)) != -1) {
1135 87e3e801 2021-07-17 op if ((nl = strchr(line, '\n')) != NULL)
1136 87e3e801 2021-07-17 op *nl = '\0';
1137 2f524b17 2021-07-17 op parse_session_line(line, &title, &flags);
1138 55eb4d95 2021-08-12 op if ((tab = new_tab(line, NULL, NULL)) == NULL)
1139 2f524b17 2021-07-17 op err(1, "new_tab");
1140 2f524b17 2021-07-17 op strlcpy(tab->buffer.page.title, title,
1141 2f524b17 2021-07-17 op sizeof(tab->buffer.page.title));
1142 87e3e801 2021-07-17 op if (flags & TAB_CURRENT)
1143 87e3e801 2021-07-17 op curr = tab;
1144 87e3e801 2021-07-17 op }
1145 87e3e801 2021-07-17 op
1146 87e3e801 2021-07-17 op if (ferror(session))
1147 87e3e801 2021-07-17 op message("error reading %s: %s",
1148 87e3e801 2021-07-17 op session_file, strerror(errno));
1149 87e3e801 2021-07-17 op fclose(session);
1150 87e3e801 2021-07-17 op free(line);
1151 87e3e801 2021-07-17 op
1152 87e3e801 2021-07-17 op if (curr != NULL)
1153 87e3e801 2021-07-17 op switch_to_tab(curr);
1154 87e3e801 2021-07-17 op
1155 b6171794 2021-07-20 op if (last_time_crashed())
1156 55eb4d95 2021-08-12 op switch_to_tab(new_tab("about:crash", NULL, NULL));
1157 b6171794 2021-07-20 op
1158 87e3e801 2021-07-17 op return;
1159 d2544989 2021-07-08 op }
1160 d2544989 2021-07-08 op
1161 6cc5fcfe 2021-07-08 op static pid_t
1162 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
1163 6cc5fcfe 2021-07-08 op {
1164 6cc5fcfe 2021-07-08 op const char *argv[4];
1165 6cc5fcfe 2021-07-08 op int argc = 0;
1166 6cc5fcfe 2021-07-08 op pid_t pid;
1167 6cc5fcfe 2021-07-08 op
1168 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
1169 6cc5fcfe 2021-07-08 op case -1:
1170 6cc5fcfe 2021-07-08 op die();
1171 6cc5fcfe 2021-07-08 op case 0:
1172 6cc5fcfe 2021-07-08 op break;
1173 6cc5fcfe 2021-07-08 op default:
1174 6cc5fcfe 2021-07-08 op close(fd);
1175 6cc5fcfe 2021-07-08 op return pid;
1176 6cc5fcfe 2021-07-08 op }
1177 6cc5fcfe 2021-07-08 op
1178 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
1179 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
1180 6cc5fcfe 2021-07-08 op
1181 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
1182 6cc5fcfe 2021-07-08 op switch (p) {
1183 6cc5fcfe 2021-07-08 op case PROC_UI:
1184 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
1185 6cc5fcfe 2021-07-08 op case PROC_FS:
1186 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
1187 6cc5fcfe 2021-07-08 op break;
1188 6cc5fcfe 2021-07-08 op case PROC_NET:
1189 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
1190 6cc5fcfe 2021-07-08 op break;
1191 6cc5fcfe 2021-07-08 op }
1192 6cc5fcfe 2021-07-08 op
1193 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
1194 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
1195 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
1196 6cc5fcfe 2021-07-08 op }
1197 6cc5fcfe 2021-07-08 op
1198 bc10f6a5 2021-07-12 op static int
1199 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
1200 bc10f6a5 2021-07-12 op uint16_t datalen)
1201 bc10f6a5 2021-07-12 op {
1202 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
1203 bc10f6a5 2021-07-12 op datalen);
1204 bc10f6a5 2021-07-12 op }
1205 bc10f6a5 2021-07-12 op
1206 bc10f6a5 2021-07-12 op static int
1207 bc10f6a5 2021-07-12 op ui_send_fs(int type, uint32_t peerid, const void *data, uint16_t datalen)
1208 bc10f6a5 2021-07-12 op {
1209 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_fs, type, peerid, 0, -1, data,
1210 bc10f6a5 2021-07-12 op datalen);
1211 bc10f6a5 2021-07-12 op }
1212 bc10f6a5 2021-07-12 op
1213 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
1214 6cc5fcfe 2021-07-08 op usage(int r)
1215 d2544989 2021-07-08 op {
1216 dc761924 2021-07-15 op fprintf(stderr, "USAGE: %s [-hnv] [-c config] [url]\n",
1217 dc761924 2021-07-15 op getprogname());
1218 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
1219 6cc5fcfe 2021-07-08 op exit(r);
1220 740f578b 2021-03-15 op }
1221 740f578b 2021-03-15 op
1222 5e11c00c 2021-03-02 op int
1223 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
1224 5e11c00c 2021-03-02 op {
1225 bc10f6a5 2021-07-12 op struct imsgev net_ibuf, fs_ibuf;
1226 bc10f6a5 2021-07-12 op int pipe2net[2], pipe2fs[2];
1227 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
1228 d2544989 2021-07-08 op int has_url = 0;
1229 6cc5fcfe 2021-07-08 op int proc = -1;
1230 d0fd368a 2021-07-15 op int sessionfd;
1231 d2544989 2021-07-08 op char path[PATH_MAX];
1232 6cc5fcfe 2021-07-08 op const char *url = NEW_TAB_URL;
1233 6cc5fcfe 2021-07-08 op const char *argv0;
1234 5e11c00c 2021-03-02 op
1235 6cc5fcfe 2021-07-08 op argv0 = argv[0];
1236 6cc5fcfe 2021-07-08 op
1237 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
1238 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
1239 5e11c00c 2021-03-02 op
1240 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
1241 d2544989 2021-07-08 op enable_colors = 0;
1242 d2544989 2021-07-08 op
1243 d2544989 2021-07-08 op strlcpy(path, getenv("HOME"), sizeof(path));
1244 d2544989 2021-07-08 op strlcat(path, "/.telescope/config", sizeof(path));
1245 d2544989 2021-07-08 op
1246 dc761924 2021-07-15 op while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
1247 d2544989 2021-07-08 op switch (ch) {
1248 1853ee50 2021-07-15 op case 'C':
1249 1853ee50 2021-07-15 op exit(ui_print_colors());
1250 d2544989 2021-07-08 op case 'c':
1251 d2544989 2021-07-08 op fail = 1;
1252 d2544989 2021-07-08 op strlcpy(path, optarg, sizeof(path));
1253 d2544989 2021-07-08 op break;
1254 d2544989 2021-07-08 op case 'n':
1255 d2544989 2021-07-08 op configtest = 1;
1256 d2544989 2021-07-08 op break;
1257 d2544989 2021-07-08 op case 'h':
1258 6cc5fcfe 2021-07-08 op usage(0);
1259 6cc5fcfe 2021-07-08 op case 'T':
1260 6cc5fcfe 2021-07-08 op switch (*optarg) {
1261 6cc5fcfe 2021-07-08 op case 'f':
1262 6cc5fcfe 2021-07-08 op proc = PROC_FS;
1263 6cc5fcfe 2021-07-08 op break;
1264 6cc5fcfe 2021-07-08 op case 'n':
1265 6cc5fcfe 2021-07-08 op proc = PROC_NET;
1266 6cc5fcfe 2021-07-08 op break;
1267 6cc5fcfe 2021-07-08 op default:
1268 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
1269 6cc5fcfe 2021-07-08 op *optarg);
1270 6cc5fcfe 2021-07-08 op }
1271 6cc5fcfe 2021-07-08 op break;
1272 dc761924 2021-07-15 op case 'v':
1273 dc761924 2021-07-15 op printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
1274 dc761924 2021-07-15 op exit(0);
1275 dc761924 2021-07-15 op break;
1276 d2544989 2021-07-08 op default:
1277 6cc5fcfe 2021-07-08 op usage(1);
1278 d2544989 2021-07-08 op }
1279 d2544989 2021-07-08 op }
1280 d2544989 2021-07-08 op
1281 d2544989 2021-07-08 op argc -= optind;
1282 d2544989 2021-07-08 op argv += optind;
1283 d2544989 2021-07-08 op
1284 6cc5fcfe 2021-07-08 op if (proc != -1) {
1285 6cc5fcfe 2021-07-08 op if (argc > 0)
1286 6cc5fcfe 2021-07-08 op usage(1);
1287 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
1288 6cc5fcfe 2021-07-08 op return fs_main();
1289 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
1290 f45bd2e3 2021-07-24 op return net_main();
1291 6cc5fcfe 2021-07-08 op else
1292 6cc5fcfe 2021-07-08 op usage(1);
1293 6cc5fcfe 2021-07-08 op }
1294 6cc5fcfe 2021-07-08 op
1295 d2544989 2021-07-08 op if (argc != 0) {
1296 d2544989 2021-07-08 op has_url = 1;
1297 d2544989 2021-07-08 op url = argv[0];
1298 d2544989 2021-07-08 op }
1299 d2544989 2021-07-08 op
1300 d5bdf203 2021-07-08 op /* setup keys before reading the config */
1301 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
1302 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
1303 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
1304 d5bdf203 2021-07-08 op
1305 d2544989 2021-07-08 op config_init();
1306 d2544989 2021-07-08 op parseconfig(path, fail);
1307 d2544989 2021-07-08 op if (configtest){
1308 d2544989 2021-07-08 op puts("config OK");
1309 d2544989 2021-07-08 op exit(0);
1310 d2544989 2021-07-08 op }
1311 d2544989 2021-07-08 op
1312 d0fd368a 2021-07-15 op fs_init();
1313 d0fd368a 2021-07-15 op if ((sessionfd = lock_session()) == -1)
1314 d0fd368a 2021-07-15 op errx(1, "can't lock session, is another instance of "
1315 d0fd368a 2021-07-15 op "telescope already running?");
1316 d0fd368a 2021-07-15 op
1317 6cc5fcfe 2021-07-08 op /* Start children. */
1318 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2fs) == -1)
1319 5e11c00c 2021-03-02 op err(1, "socketpair");
1320 bc10f6a5 2021-07-12 op start_child(PROC_FS, argv0, pipe2fs[1]);
1321 bc10f6a5 2021-07-12 op imsg_init(&fs_ibuf.ibuf, pipe2fs[0]);
1322 bc10f6a5 2021-07-12 op iev_fs = &fs_ibuf;
1323 bc10f6a5 2021-07-12 op iev_fs->handler = handle_dispatch_imsg;
1324 5e11c00c 2021-03-02 op
1325 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
1326 35e1f40a 2021-03-14 op err(1, "socketpair");
1327 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
1328 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
1329 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
1330 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
1331 5e11c00c 2021-03-02 op
1332 37d429b0 2021-04-01 op setproctitle("ui");
1333 35e1f40a 2021-03-14 op
1334 6cc5fcfe 2021-07-08 op /* initialize tofu & load certificates */
1335 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
1336 3a227e9a 2021-03-18 op load_certs(&certs);
1337 cbcc75fb 2021-03-17 op
1338 5e11c00c 2021-03-02 op event_init();
1339 5e11c00c 2021-03-02 op
1340 ecfbb1d4 2021-08-14 op /* Setup event handler for the autosave */
1341 ecfbb1d4 2021-08-14 op evtimer_set(&autosaveev, autosave_timer, NULL);
1342 ecfbb1d4 2021-08-14 op
1343 bc10f6a5 2021-07-12 op /* Setup event handlers for pipes to fs/net */
1344 bc10f6a5 2021-07-12 op iev_fs->events = EV_READ;
1345 bc10f6a5 2021-07-12 op event_set(&iev_fs->ev, iev_fs->ibuf.fd, iev_fs->events,
1346 bc10f6a5 2021-07-12 op iev_fs->handler, iev_fs);
1347 bc10f6a5 2021-07-12 op event_add(&iev_fs->ev, NULL);
1348 5e11c00c 2021-03-02 op
1349 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
1350 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
1351 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
1352 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
1353 35e1f40a 2021-03-14 op
1354 d2544989 2021-07-08 op if (ui_init()) {
1355 87e3e801 2021-07-17 op load_last_session();
1356 d2544989 2021-07-08 op if (has_url || TAILQ_EMPTY(&tabshead))
1357 55eb4d95 2021-08-12 op new_tab(url, NULL, NULL);
1358 d2544989 2021-07-08 op
1359 941b3761 2021-03-18 op sandbox_ui_process();
1360 a37d1a1c 2021-08-14 op operating = 1;
1361 2ddbda6b 2021-07-17 op ui_main_loop();
1362 941b3761 2021-03-18 op ui_end();
1363 941b3761 2021-03-18 op }
1364 5e11c00c 2021-03-02 op
1365 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_QUIT, 0, NULL, 0);
1366 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
1367 3e5fd7be 2021-07-13 op imsg_flush(&iev_fs->ibuf);
1368 a9925134 2021-07-15 op imsg_flush(&iev_net->ibuf);
1369 5e11c00c 2021-03-02 op
1370 d0fd368a 2021-07-15 op close(sessionfd);
1371 d0fd368a 2021-07-15 op
1372 5e11c00c 2021-03-02 op return 0;
1373 5e11c00c 2021-03-02 op }