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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 be97d6e6 2021-08-15 op #include <sys/wait.h>
21 5e11c00c 2021-03-02 op
22 be97d6e6 2021-08-15 op #include <errno.h>
23 dc761924 2021-07-15 op #include <getopt.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 eb2ed626 2021-10-07 op #include "fs.h"
32 4bc446b9 2021-07-21 op #include "minibuffer.h"
33 395b9f4e 2021-07-12 op #include "parser.h"
34 1fce2e75 2021-08-14 op #include "session.h"
35 395b9f4e 2021-07-12 op #include "telescope.h"
36 d1a0f2a3 2021-07-12 op #include "ui.h"
37 dc761924 2021-07-15 op
38 dc761924 2021-07-15 op static struct option longopts[] = {
39 a599eaa6 2021-01-02 op {"colors", no_argument, NULL, 'C'},
40 a599eaa6 2021-01-02 op {"colours", no_argument, NULL, 'C'},
41 dc761924 2021-07-15 op {"help", no_argument, NULL, 'h'},
42 d0971653 2021-09-15 op {"safe", no_argument, NULL, 'S'},
43 dc761924 2021-07-15 op {"version", no_argument, NULL, 'v'},
44 dc761924 2021-07-15 op {NULL, 0, NULL, 0},
45 dc761924 2021-07-15 op };
46 dc761924 2021-07-15 op
47 d0971653 2021-09-15 op static const char *opts = "Cc:hnST:v";
48 a37d1a1c 2021-08-14 op
49 bb28f1c2 2021-12-30 op static int has_url;
50 bb28f1c2 2021-12-30 op static char url[GEMINI_URL_LEN];
51 bb28f1c2 2021-12-30 op
52 a37d1a1c 2021-08-14 op /*
53 a37d1a1c 2021-08-14 op * Used to know when we're finished loading.
54 a37d1a1c 2021-08-14 op */
55 1fce2e75 2021-08-14 op int operating;
56 395b9f4e 2021-07-12 op
57 d0971653 2021-09-15 op /*
58 d0971653 2021-09-15 op * "Safe" (or "sandobox") mode. If enabled, Telescope shouldn't write
59 d0971653 2021-09-15 op * anything to the filesystem or execute external programs.
60 d0971653 2021-09-15 op */
61 d0971653 2021-09-15 op int safe_mode;
62 d0971653 2021-09-15 op
63 bc10f6a5 2021-07-12 op static struct imsgev *iev_fs, *iev_net;
64 ecfbb1d4 2021-08-14 op
65 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
66 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
67 6cc5fcfe 2021-07-08 op
68 6cc5fcfe 2021-07-08 op enum telescope_process {
69 6cc5fcfe 2021-07-08 op PROC_UI,
70 6cc5fcfe 2021-07-08 op PROC_FS,
71 6cc5fcfe 2021-07-08 op PROC_NET,
72 6cc5fcfe 2021-07-08 op };
73 5e11c00c 2021-03-02 op
74 9a8a7402 2021-07-18 op #define CANNOT_FETCH 0
75 9a8a7402 2021-07-18 op #define TOO_MUCH_REDIRECTS 1
76 9a8a7402 2021-07-18 op #define MALFORMED_RESPONSE 2
77 9a8a7402 2021-07-18 op #define UNKNOWN_TYPE_OR_CSET 3
78 9a8a7402 2021-07-18 op #define UNKNOWN_PROTOCOL 4
79 9a8a7402 2021-07-18 op
80 a21e0756 2021-08-14 op /* XXX: keep in sync with normalize_code */
81 9a8a7402 2021-07-18 op const char *err_pages[70] = {
82 9a8a7402 2021-07-18 op [CANNOT_FETCH] = "# Couldn't load the page\n",
83 9a8a7402 2021-07-18 op [TOO_MUCH_REDIRECTS] = "# Too much redirects\n",
84 9a8a7402 2021-07-18 op [MALFORMED_RESPONSE] = "# Got a malformed response\n",
85 9a8a7402 2021-07-18 op [UNKNOWN_TYPE_OR_CSET] = "# Unsupported type or charset\n",
86 9a8a7402 2021-07-18 op [UNKNOWN_PROTOCOL] = "# Unknown protocol\n",
87 9a8a7402 2021-07-18 op
88 9a8a7402 2021-07-18 op [10] = "# Input required\n",
89 9a8a7402 2021-07-18 op [11] = "# Input required\n",
90 9a8a7402 2021-07-18 op [40] = "# Temporary failure\n",
91 9a8a7402 2021-07-18 op [41] = "# Server unavailable\n",
92 9a8a7402 2021-07-18 op [42] = "# CGI error\n",
93 9a8a7402 2021-07-18 op [43] = "# Proxy error\n",
94 9a8a7402 2021-07-18 op [44] = "# Slow down\n",
95 9a8a7402 2021-07-18 op [50] = "# Permanent failure\n",
96 9a8a7402 2021-07-18 op [51] = "# Not found\n",
97 9a8a7402 2021-07-18 op [52] = "# Gone\n",
98 9a8a7402 2021-07-18 op [53] = "# Proxy request refused\n",
99 9a8a7402 2021-07-18 op [59] = "# Bad request\n",
100 9a8a7402 2021-07-18 op [60] = "# Client certificate required\n",
101 9a8a7402 2021-07-18 op [61] = "# Certificate not authorised\n",
102 9a8a7402 2021-07-18 op [62] = "# Certificate not valid\n"
103 9a8a7402 2021-07-18 op };
104 9a8a7402 2021-07-18 op
105 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
106 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
107 69f32f56 2021-08-16 op static void handle_imsg_err(struct imsg *, size_t);
108 69f32f56 2021-08-16 op static void handle_imsg_check_cert(struct imsg *, size_t);
109 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
110 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
111 69f32f56 2021-08-16 op static void handle_imsg_got_code(struct imsg *, size_t);
112 69f32f56 2021-08-16 op static void handle_imsg_got_meta(struct imsg *, size_t);
113 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
114 d1353324 2021-07-13 op static void handle_save_page_path(const char *, struct tab *);
115 69f32f56 2021-08-16 op static void handle_imsg_file_opened(struct imsg *, size_t);
116 69f32f56 2021-08-16 op static void handle_imsg_buf(struct imsg *, size_t);
117 69f32f56 2021-08-16 op static void handle_imsg_eof(struct imsg *, size_t);
118 69f32f56 2021-08-16 op static void handle_imsg_bookmark_ok(struct imsg *, size_t);
119 69f32f56 2021-08-16 op static void handle_imsg_save_cert_ok(struct imsg *, size_t);
120 288fd238 2021-04-25 op static void handle_imsg_update_cert_ok(struct imsg *, size_t);
121 bb28f1c2 2021-12-30 op static void handle_imsg_session(struct imsg *, size_t);
122 69f32f56 2021-08-16 op static void handle_dispatch_imsg(int, short, void *);
123 69f32f56 2021-08-16 op static int load_about_url(struct tab *, const char *);
124 0b1053d2 2021-08-13 op static int load_file_url(struct tab *, const char *);
125 1c690d0a 2021-08-03 op static int load_finger_url(struct tab *, const char *);
126 69f32f56 2021-08-16 op static int load_gemini_url(struct tab *, const char *);
127 1c690d0a 2021-08-03 op static int load_gopher_url(struct tab *, const char *);
128 1c690d0a 2021-08-03 op static int load_via_proxy(struct tab *, const char *,
129 dfb5eb39 2021-07-25 op struct proxy *);
130 1c690d0a 2021-08-03 op static int make_request(struct tab *, struct get_req *, int,
131 cf1195ce 2021-07-25 op const char *);
132 c7586aab 2021-08-13 op static int make_fs_request(struct tab *, int, const char *);
133 69f32f56 2021-08-16 op static int do_load_url(struct tab *, const char *, const char *);
134 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
135 dfb5eb39 2021-07-25 op
136 352e0355 2021-07-25 op static struct proto {
137 352e0355 2021-07-25 op const char *schema;
138 ba782cb8 2021-07-25 op const char *port;
139 69f32f56 2021-08-16 op int (*loadfn)(struct tab *, const char *);
140 352e0355 2021-07-25 op } protos[] = {
141 ba782cb8 2021-07-25 op {"about", NULL, load_about_url},
142 0b1053d2 2021-08-13 op {"file", NULL, load_file_url},
143 ba782cb8 2021-07-25 op {"finger", "79", load_finger_url},
144 ba782cb8 2021-07-25 op {"gemini", "1965", load_gemini_url},
145 1663bf1e 2021-07-25 op {"gopher", "70", load_gopher_url},
146 ba782cb8 2021-07-25 op {NULL, NULL, NULL},
147 dfb5eb39 2021-07-25 op };
148 5e11c00c 2021-03-02 op
149 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
150 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
151 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
152 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
153 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
154 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
155 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
156 740f578b 2021-03-15 op [IMSG_BOOKMARK_OK] = handle_imsg_bookmark_ok,
157 3a227e9a 2021-03-18 op [IMSG_SAVE_CERT_OK] = handle_imsg_save_cert_ok,
158 288fd238 2021-04-25 op [IMSG_UPDATE_CERT_OK] = handle_imsg_update_cert_ok,
159 de2a69bb 2021-05-17 op [IMSG_FILE_OPENED] = handle_imsg_file_opened,
160 bb28f1c2 2021-12-30 op [IMSG_SESSION_TAB] = handle_imsg_session,
161 1040cc7f 2021-01-02 op [IMSG_SESSION_TAB_HIST] = handle_imsg_session,
162 bb28f1c2 2021-12-30 op [IMSG_SESSION_END] = handle_imsg_session,
163 5e11c00c 2021-03-02 op };
164 5e11c00c 2021-03-02 op
165 cbcc75fb 2021-03-17 op static struct ohash certs;
166 cbcc75fb 2021-03-17 op
167 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
168 5e11c00c 2021-03-02 op die(void)
169 5e11c00c 2021-03-02 op {
170 5e11c00c 2021-03-02 op abort(); /* TODO */
171 5e11c00c 2021-03-02 op }
172 5e11c00c 2021-03-02 op
173 5e11c00c 2021-03-02 op static struct tab *
174 f6243012 2021-07-19 op tab_by_id(uint32_t id)
175 5e11c00c 2021-03-02 op {
176 5e11c00c 2021-03-02 op struct tab *t;
177 5e11c00c 2021-03-02 op
178 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
179 5e11c00c 2021-03-02 op if (t->id == id)
180 5e11c00c 2021-03-02 op return t;
181 5e11c00c 2021-03-02 op }
182 5e11c00c 2021-03-02 op
183 5d6c2088 2021-07-19 op return NULL;
184 5e11c00c 2021-03-02 op }
185 5e11c00c 2021-03-02 op
186 5e11c00c 2021-03-02 op static void
187 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
188 5e11c00c 2021-03-02 op {
189 3a9b9365 2021-03-09 op struct tab *tab;
190 3a9b9365 2021-03-09 op char *page;
191 3a9b9365 2021-03-09 op
192 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
193 f6243012 2021-07-19 op return;
194 3a9b9365 2021-03-09 op
195 3a9b9365 2021-03-09 op page = imsg->data;
196 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
197 3a9b9365 2021-03-09 op
198 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
199 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
200 3a9b9365 2021-03-09 op die();
201 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
202 3a9b9365 2021-03-09 op free(page);
203 5e11c00c 2021-03-02 op }
204 5e11c00c 2021-03-02 op
205 5e11c00c 2021-03-02 op static void
206 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
207 5e11c00c 2021-03-02 op {
208 984245ce 2021-06-23 op const char *hash, *host, *port;
209 cbcc75fb 2021-03-17 op int tofu_res;
210 cbcc75fb 2021-03-17 op struct tofu_entry *e;
211 cbcc75fb 2021-03-17 op struct tab *tab;
212 5e11c00c 2021-03-02 op
213 cbcc75fb 2021-03-17 op hash = imsg->data;
214 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
215 cbcc75fb 2021-03-17 op abort();
216 cbcc75fb 2021-03-17 op
217 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
218 f6243012 2021-07-19 op return;
219 cbcc75fb 2021-03-17 op
220 984245ce 2021-06-23 op if (tab->proxy != NULL) {
221 984245ce 2021-06-23 op host = tab->proxy->host;
222 984245ce 2021-06-23 op port = tab->proxy->port;
223 984245ce 2021-06-23 op } else {
224 984245ce 2021-06-23 op host = tab->uri.host;
225 984245ce 2021-06-23 op port = tab->uri.port;
226 984245ce 2021-06-23 op }
227 984245ce 2021-06-23 op
228 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
229 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
230 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
231 cbcc75fb 2021-03-17 op * the certs! */
232 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
233 cbcc75fb 2021-03-17 op abort();
234 cbcc75fb 2021-03-17 op
235 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
236 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
237 cbcc75fb 2021-03-17 op abort();
238 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
239 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
240 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
241 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
242 eb4388ee 2021-04-25 op }
243 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
244 3768e50f 2021-04-25 op tofu_add(&certs, e);
245 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SAVE_CERT, tab->id, e, sizeof(*e));
246 cbcc75fb 2021-03-17 op } else
247 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
248 cbcc75fb 2021-03-17 op
249 5d1bac73 2021-03-25 op if (tofu_res) {
250 a2fd3805 2021-07-06 op if (e->verified == -1)
251 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
252 a2fd3805 2021-07-06 op else if (e->verified == 1)
253 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
254 a2fd3805 2021-07-06 op else
255 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
256 a2fd3805 2021-07-06 op
257 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, imsg->hdr.peerid,
258 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
259 5d1bac73 2021-03-25 op } else {
260 cbcc75fb 2021-03-17 op tab->trust = TS_UNTRUSTED;
261 cbcc75fb 2021-03-17 op load_page_from_str(tab, "# Certificate mismatch\n");
262 288fd238 2021-04-25 op if ((tab->cert = strdup(hash)) == NULL)
263 288fd238 2021-04-25 op die();
264 5d1bac73 2021-03-25 op ui_yornp("Certificate mismatch. Proceed?",
265 a2fd3805 2021-07-06 op handle_check_cert_user_choice, tab);
266 cbcc75fb 2021-03-17 op }
267 5d1bac73 2021-03-25 op }
268 5d1bac73 2021-03-25 op
269 5d1bac73 2021-03-25 op static void
270 a2fd3805 2021-07-06 op handle_check_cert_user_choice(int accept, struct tab *tab)
271 5d1bac73 2021-03-25 op {
272 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, tab->id, &accept,
273 bc10f6a5 2021-07-12 op sizeof(accept));
274 288fd238 2021-04-25 op
275 a2fd3805 2021-07-06 op if (accept) {
276 a2fd3805 2021-07-06 op /*
277 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
278 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
279 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
280 7b4e4feb 2021-08-15 op * tabid (one request == one tab id). It also makes
281 7b4e4feb 2021-08-15 op * sense to save it for the current session if the
282 7b4e4feb 2021-08-15 op * user accepted it.
283 a2fd3805 2021-07-06 op */
284 69f32f56 2021-08-16 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port,
285 69f32f56 2021-08-16 op tab->cert);
286 a2fd3805 2021-07-06 op
287 d0971653 2021-09-15 op if (!safe_mode)
288 d0971653 2021-09-15 op ui_yornp("Save the new certificate?",
289 d0971653 2021-09-15 op handle_maybe_save_new_cert, tab);
290 d0971653 2021-09-15 op else
291 d0971653 2021-09-15 op message("Certificate temporarly trusted");
292 a2fd3805 2021-07-06 op } else {
293 288fd238 2021-04-25 op free(tab->cert);
294 288fd238 2021-04-25 op tab->cert = NULL;
295 288fd238 2021-04-25 op }
296 5e11c00c 2021-03-02 op }
297 5e11c00c 2021-03-02 op
298 288fd238 2021-04-25 op static void
299 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
300 288fd238 2021-04-25 op {
301 288fd238 2021-04-25 op struct tofu_entry *e;
302 984245ce 2021-06-23 op const char *host, *port;
303 288fd238 2021-04-25 op
304 984245ce 2021-06-23 op if (tab->proxy != NULL) {
305 984245ce 2021-06-23 op host = tab->proxy->host;
306 984245ce 2021-06-23 op port = tab->proxy->port;
307 984245ce 2021-06-23 op } else {
308 984245ce 2021-06-23 op host = tab->uri.host;
309 984245ce 2021-06-23 op port = tab->uri.port;
310 984245ce 2021-06-23 op }
311 984245ce 2021-06-23 op
312 288fd238 2021-04-25 op if (!accept)
313 288fd238 2021-04-25 op goto end;
314 288fd238 2021-04-25 op
315 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
316 288fd238 2021-04-25 op die();
317 288fd238 2021-04-25 op
318 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
319 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
320 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
321 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
322 288fd238 2021-04-25 op }
323 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
324 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_UPDATE_CERT, 0, e, sizeof(*e));
325 288fd238 2021-04-25 op
326 288fd238 2021-04-25 op tofu_update(&certs, e);
327 288fd238 2021-04-25 op
328 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
329 288fd238 2021-04-25 op
330 288fd238 2021-04-25 op end:
331 288fd238 2021-04-25 op free(tab->cert);
332 288fd238 2021-04-25 op tab->cert = NULL;
333 288fd238 2021-04-25 op }
334 288fd238 2021-04-25 op
335 5cd2ebb1 2021-03-11 op static inline int
336 5cd2ebb1 2021-03-11 op normalize_code(int n)
337 5cd2ebb1 2021-03-11 op {
338 5cd2ebb1 2021-03-11 op if (n < 20) {
339 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
340 5cd2ebb1 2021-03-11 op return n;
341 5cd2ebb1 2021-03-11 op return 10;
342 5cd2ebb1 2021-03-11 op } else if (n < 30) {
343 5cd2ebb1 2021-03-11 op return 20;
344 5cd2ebb1 2021-03-11 op } else if (n < 40) {
345 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
346 5cd2ebb1 2021-03-11 op return n;
347 5cd2ebb1 2021-03-11 op return 30;
348 5cd2ebb1 2021-03-11 op } else if (n < 50) {
349 5cd2ebb1 2021-03-11 op if (n <= 44)
350 5cd2ebb1 2021-03-11 op return n;
351 5cd2ebb1 2021-03-11 op return 40;
352 5cd2ebb1 2021-03-11 op } else if (n < 60) {
353 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
354 5cd2ebb1 2021-03-11 op return n;
355 5cd2ebb1 2021-03-11 op return 50;
356 5cd2ebb1 2021-03-11 op } else if (n < 70) {
357 5cd2ebb1 2021-03-11 op if (n <= 62)
358 5cd2ebb1 2021-03-11 op return n;
359 5cd2ebb1 2021-03-11 op return 60;
360 5cd2ebb1 2021-03-11 op } else
361 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
362 5cd2ebb1 2021-03-11 op }
363 5cd2ebb1 2021-03-11 op
364 5e11c00c 2021-03-02 op static void
365 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
366 5e11c00c 2021-03-02 op {
367 0972d8b2 2021-03-02 op struct tab *tab;
368 5e11c00c 2021-03-02 op
369 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
370 f6243012 2021-07-19 op return;
371 0972d8b2 2021-03-02 op
372 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
373 5e11c00c 2021-03-02 op die();
374 5e11c00c 2021-03-02 op
375 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
376 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
377 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
378 0972d8b2 2021-03-02 op tab->redirect_count = 0;
379 5e11c00c 2021-03-02 op }
380 5e11c00c 2021-03-02 op
381 5e11c00c 2021-03-02 op static void
382 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
383 5e11c00c 2021-03-02 op {
384 0972d8b2 2021-03-02 op struct tab *tab;
385 fcd99a0d 2021-11-05 op char buf[128];
386 0972d8b2 2021-03-02 op
387 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
388 f6243012 2021-07-19 op return;
389 0972d8b2 2021-03-02 op
390 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
391 0972d8b2 2021-03-02 op die();
392 5cd2ebb1 2021-03-11 op
393 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
394 0972d8b2 2021-03-02 op
395 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
396 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
397 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
398 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
399 9a28e7e5 2021-08-03 op ui_require_input(tab, tab->code == 11, PROTO_GEMINI);
400 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
401 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
402 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
403 fcd99a0d 2021-11-05 op } else if (safe_mode) {
404 69f32f56 2021-08-16 op load_page_from_str(tab,
405 69f32f56 2021-08-16 op err_pages[UNKNOWN_TYPE_OR_CSET]);
406 fcd99a0d 2021-11-05 op } else {
407 fcd99a0d 2021-11-05 op struct hist *h;
408 fcd99a0d 2021-11-05 op
409 fcd99a0d 2021-11-05 op if ((h = hist_pop(&tab->hist)) != NULL)
410 fcd99a0d 2021-11-05 op tab->hist_cur = h;
411 fcd99a0d 2021-11-05 op snprintf(buf, sizeof(buf),
412 fcd99a0d 2021-11-05 op "Can't display \"%s\", save it?", tab->meta);
413 fcd99a0d 2021-11-05 op ui_yornp(buf, handle_maybe_save_page, tab);
414 c07ac996 2021-03-12 op }
415 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
416 3a9b9365 2021-03-09 op tab->redirect_count++;
417 0972d8b2 2021-03-02 op
418 3a9b9365 2021-03-09 op /* TODO: make customizable? */
419 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
420 3a9b9365 2021-03-09 op load_page_from_str(tab,
421 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
422 5cd2ebb1 2021-03-11 op } else
423 bd3a3a95 2021-07-20 op do_load_url(tab, tab->meta, NULL);
424 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
425 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
426 3a9b9365 2021-03-09 op }
427 de2a69bb 2021-05-17 op }
428 de2a69bb 2021-05-17 op
429 de2a69bb 2021-05-17 op static void
430 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
431 de2a69bb 2021-05-17 op {
432 bb9912eb 2021-08-29 op const char *f;
433 bb9912eb 2021-08-29 op char input[PATH_MAX];
434 bb9912eb 2021-08-29 op
435 fcd99a0d 2021-11-05 op /* XXX: this print a message that is confusing */
436 fcd99a0d 2021-11-05 op ui_on_tab_loaded(tab);
437 fcd99a0d 2021-11-05 op
438 bb9912eb 2021-08-29 op if (!dosave) {
439 a2fd3805 2021-07-06 op stop_tab(tab);
440 bb9912eb 2021-08-29 op return;
441 bb9912eb 2021-08-29 op }
442 bb9912eb 2021-08-29 op
443 bb9912eb 2021-08-29 op if ((f = strrchr(tab->uri.path, '/')) == NULL)
444 bb9912eb 2021-08-29 op f = "";
445 bb9912eb 2021-08-29 op else
446 bb9912eb 2021-08-29 op f++;
447 bb9912eb 2021-08-29 op
448 112b9046 2021-08-29 op strlcpy(input, download_path, sizeof(input));
449 bb9912eb 2021-08-29 op strlcat(input, f, sizeof(input));
450 bb9912eb 2021-08-29 op
451 bb9912eb 2021-08-29 op ui_read("Save to path", handle_save_page_path, tab, input);
452 de2a69bb 2021-05-17 op }
453 de2a69bb 2021-05-17 op
454 de2a69bb 2021-05-17 op static void
455 d1353324 2021-07-13 op handle_save_page_path(const char *path, struct tab *tab)
456 d1353324 2021-07-13 op {
457 de2a69bb 2021-05-17 op if (path == NULL) {
458 d1353324 2021-07-13 op stop_tab(tab);
459 de2a69bb 2021-05-17 op return;
460 de2a69bb 2021-05-17 op }
461 de2a69bb 2021-05-17 op
462 fcd99a0d 2021-11-05 op ui_show_downloads_pane();
463 de2a69bb 2021-05-17 op
464 fcd99a0d 2021-11-05 op enqueue_download(tab->id, path);
465 d1353324 2021-07-13 op ui_send_fs(IMSG_FILE_OPEN, tab->id, path, strlen(path)+1);
466 fcd99a0d 2021-11-05 op
467 fcd99a0d 2021-11-05 op /*
468 fcd99a0d 2021-11-05 op * Change this tab id, the old one is associated with the
469 fcd99a0d 2021-11-05 op * download now.
470 fcd99a0d 2021-11-05 op */
471 fcd99a0d 2021-11-05 op tab->id = tab_new_id();
472 5e11c00c 2021-03-02 op }
473 5e11c00c 2021-03-02 op
474 5e11c00c 2021-03-02 op static void
475 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
476 de2a69bb 2021-05-17 op {
477 fcd99a0d 2021-11-05 op struct download *d;
478 de2a69bb 2021-05-17 op const char *e;
479 de2a69bb 2021-05-17 op
480 fcd99a0d 2021-11-05 op /*
481 fcd99a0d 2021-11-05 op * There are no reason we shouldn't be able to find the
482 fcd99a0d 2021-11-05 op * required download.
483 fcd99a0d 2021-11-05 op */
484 fcd99a0d 2021-11-05 op if ((d = download_by_id(imsg->hdr.peerid)) == NULL)
485 fcd99a0d 2021-11-05 op die();
486 de2a69bb 2021-05-17 op
487 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
488 de2a69bb 2021-05-17 op e = imsg->data;
489 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
490 de2a69bb 2021-05-17 op die();
491 fcd99a0d 2021-11-05 op message("Can't open file %s: %s", d->path, e);
492 de2a69bb 2021-05-17 op } else {
493 fcd99a0d 2021-11-05 op d->fd = imsg->fd;
494 fcd99a0d 2021-11-05 op ui_send_net(IMSG_PROCEED, d->id, NULL, 0);
495 bb28f1c2 2021-12-30 op }
496 bb28f1c2 2021-12-30 op }
497 bb28f1c2 2021-12-30 op
498 bb28f1c2 2021-12-30 op static void
499 bb28f1c2 2021-12-30 op handle_imsg_session(struct imsg *imsg, size_t datalen)
500 bb28f1c2 2021-12-30 op {
501 bb28f1c2 2021-12-30 op static struct tab *curr;
502 1040cc7f 2021-01-02 op static struct tab *tab;
503 bb28f1c2 2021-12-30 op struct session_tab st;
504 1040cc7f 2021-01-02 op struct session_tab_hist sth;
505 1040cc7f 2021-01-02 op struct hist *h;
506 bb28f1c2 2021-12-30 op int first_time;
507 bb28f1c2 2021-12-30 op
508 bb28f1c2 2021-12-30 op /*
509 bb28f1c2 2021-12-30 op * The fs process tried to send tabs after it has announced
510 bb28f1c2 2021-12-30 op * that he's done. Something fishy is going on, better die.
511 bb28f1c2 2021-12-30 op */
512 bb28f1c2 2021-12-30 op if (operating)
513 bb28f1c2 2021-12-30 op die();
514 bb28f1c2 2021-12-30 op
515 92ce02e2 2021-01-02 op switch (imsg->hdr.type) {
516 92ce02e2 2021-01-02 op case IMSG_SESSION_TAB:
517 92ce02e2 2021-01-02 op if (datalen != sizeof(st))
518 92ce02e2 2021-01-02 op die();
519 92ce02e2 2021-01-02 op
520 92ce02e2 2021-01-02 op memcpy(&st, imsg->data, sizeof(st));
521 92ce02e2 2021-01-02 op if ((tab = new_tab(st.uri, NULL, NULL)) == NULL)
522 92ce02e2 2021-01-02 op die();
523 92ce02e2 2021-01-02 op strlcpy(tab->buffer.page.title, st.title,
524 92ce02e2 2021-01-02 op sizeof(tab->buffer.page.title));
525 92ce02e2 2021-01-02 op if (st.flags & TAB_CURRENT)
526 92ce02e2 2021-01-02 op curr = tab;
527 92ce02e2 2021-01-02 op break;
528 92ce02e2 2021-01-02 op
529 1040cc7f 2021-01-02 op case IMSG_SESSION_TAB_HIST:
530 1040cc7f 2021-01-02 op if (tab == NULL || datalen != sizeof(sth))
531 1040cc7f 2021-01-02 op die();
532 1040cc7f 2021-01-02 op
533 1040cc7f 2021-01-02 op memcpy(&sth, imsg->data, sizeof(sth));
534 1040cc7f 2021-01-02 op if (sth.uri[sizeof(sth.uri)-1] != '\0')
535 1040cc7f 2021-01-02 op die();
536 1040cc7f 2021-01-02 op
537 1040cc7f 2021-01-02 op if ((h = calloc(1, sizeof(*h))) == NULL)
538 1040cc7f 2021-01-02 op die();
539 1040cc7f 2021-01-02 op strlcpy(h->h, sth.uri, sizeof(h->h));
540 1040cc7f 2021-01-02 op
541 1040cc7f 2021-01-02 op if (sth.future)
542 1040cc7f 2021-01-02 op hist_push(&tab->hist, h);
543 1040cc7f 2021-01-02 op else
544 1040cc7f 2021-01-02 op hist_add_before(&tab->hist, tab->hist_cur, h);
545 1040cc7f 2021-01-02 op break;
546 1040cc7f 2021-01-02 op
547 92ce02e2 2021-01-02 op case IMSG_SESSION_END:
548 bb28f1c2 2021-12-30 op if (datalen != sizeof(first_time))
549 bb28f1c2 2021-12-30 op die();
550 bb28f1c2 2021-12-30 op memcpy(&first_time, imsg->data, sizeof(first_time));
551 bb28f1c2 2021-12-30 op if (first_time) {
552 bb28f1c2 2021-12-30 op new_tab("about:new", NULL, NULL);
553 bb28f1c2 2021-12-30 op curr = new_tab("about:help", NULL, NULL);
554 bb28f1c2 2021-12-30 op }
555 bb28f1c2 2021-12-30 op
556 bb28f1c2 2021-12-30 op operating = 1;
557 bb28f1c2 2021-12-30 op if (curr != NULL)
558 bb28f1c2 2021-12-30 op switch_to_tab(curr);
559 bb28f1c2 2021-12-30 op if (has_url || TAILQ_EMPTY(&tabshead))
560 bb28f1c2 2021-12-30 op new_tab(url, NULL, NULL);
561 bb28f1c2 2021-12-30 op ui_main_loop();
562 92ce02e2 2021-01-02 op break;
563 bb28f1c2 2021-12-30 op
564 92ce02e2 2021-01-02 op default:
565 bb28f1c2 2021-12-30 op die();
566 92ce02e2 2021-01-02 op }
567 de2a69bb 2021-05-17 op }
568 de2a69bb 2021-05-17 op
569 de2a69bb 2021-05-17 op static void
570 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
571 5e11c00c 2021-03-02 op {
572 fcd99a0d 2021-11-05 op struct tab *tab = NULL;
573 fcd99a0d 2021-11-05 op struct download *d = NULL;
574 5e11c00c 2021-03-02 op
575 fcd99a0d 2021-11-05 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL &&
576 fcd99a0d 2021-11-05 op (d = download_by_id(imsg->hdr.peerid)) == NULL)
577 5d6c2088 2021-07-19 op return;
578 5e11c00c 2021-03-02 op
579 fcd99a0d 2021-11-05 op if (tab != NULL) {
580 8c1b0837 2021-07-25 op if (!parser_parse(tab, imsg->data, datalen))
581 de2a69bb 2021-05-17 op die();
582 fcd99a0d 2021-11-05 op ui_on_tab_refresh(tab);
583 de2a69bb 2021-05-17 op } else {
584 fcd99a0d 2021-11-05 op d->bytes += datalen;
585 fcd99a0d 2021-11-05 op write(d->fd, imsg->data, datalen);
586 fcd99a0d 2021-11-05 op ui_on_download_refresh();
587 de2a69bb 2021-05-17 op }
588 5e11c00c 2021-03-02 op }
589 5e11c00c 2021-03-02 op
590 5e11c00c 2021-03-02 op static void
591 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
592 5e11c00c 2021-03-02 op {
593 fcd99a0d 2021-11-05 op struct tab *tab = NULL;
594 fcd99a0d 2021-11-05 op struct download *d = NULL;
595 a5c3e03d 2021-03-02 op
596 fcd99a0d 2021-11-05 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL &&
597 fcd99a0d 2021-11-05 op (d = download_by_id(imsg->hdr.peerid)) == NULL)
598 f6243012 2021-07-19 op return;
599 de2a69bb 2021-05-17 op
600 fcd99a0d 2021-11-05 op if (tab != NULL) {
601 8c1b0837 2021-07-25 op if (!parser_free(tab))
602 de2a69bb 2021-05-17 op die();
603 fcd99a0d 2021-11-05 op ui_on_tab_refresh(tab);
604 fcd99a0d 2021-11-05 op ui_on_tab_loaded(tab);
605 de2a69bb 2021-05-17 op } else {
606 fcd99a0d 2021-11-05 op close(d->fd);
607 fcd99a0d 2021-11-05 op d->fd = -1;
608 fcd99a0d 2021-11-05 op ui_on_download_refresh();
609 de2a69bb 2021-05-17 op }
610 5e11c00c 2021-03-02 op }
611 5e11c00c 2021-03-02 op
612 5e11c00c 2021-03-02 op static void
613 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
614 740f578b 2021-03-15 op {
615 740f578b 2021-03-15 op int res;
616 740f578b 2021-03-15 op
617 740f578b 2021-03-15 op if (datalen != sizeof(res))
618 740f578b 2021-03-15 op die();
619 740f578b 2021-03-15 op
620 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
621 740f578b 2021-03-15 op if (res == 0)
622 7f963c41 2021-06-20 op message("Added to bookmarks!");
623 740f578b 2021-03-15 op else
624 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
625 740f578b 2021-03-15 op strerror(res));
626 740f578b 2021-03-15 op }
627 740f578b 2021-03-15 op
628 740f578b 2021-03-15 op static void
629 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
630 3a227e9a 2021-03-18 op {
631 3a227e9a 2021-03-18 op int res;
632 3a227e9a 2021-03-18 op
633 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
634 3a227e9a 2021-03-18 op die();
635 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
636 3a227e9a 2021-03-18 op if (res != 0)
637 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
638 3a227e9a 2021-03-18 op strerror(res));
639 288fd238 2021-04-25 op }
640 288fd238 2021-04-25 op
641 288fd238 2021-04-25 op static void
642 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
643 288fd238 2021-04-25 op {
644 288fd238 2021-04-25 op int res;
645 288fd238 2021-04-25 op
646 288fd238 2021-04-25 op if (datalen != sizeof(res))
647 288fd238 2021-04-25 op die();
648 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
649 288fd238 2021-04-25 op if (!res)
650 7f963c41 2021-06-20 op message("Failed to update the certificate");
651 3a227e9a 2021-03-18 op }
652 3a227e9a 2021-03-18 op
653 3a227e9a 2021-03-18 op static void
654 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
655 5e11c00c 2021-03-02 op {
656 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
657 ea080950 2021-07-20 op
658 ea080950 2021-07-20 op if (dispatch_imsg(iev, ev, handlers, sizeof(handlers)) == -1)
659 ea080950 2021-07-20 op err(1, "connection closed");
660 0972d8b2 2021-03-02 op }
661 0972d8b2 2021-03-02 op
662 1c690d0a 2021-08-03 op static int
663 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
664 0972d8b2 2021-03-02 op {
665 7b2aac84 2021-08-13 op tab->trust = TS_UNKNOWN;
666 8c1b0837 2021-07-25 op parser_init(tab, gemtext_initparser);
667 c7586aab 2021-08-13 op return make_fs_request(tab, IMSG_GET, url);
668 4d3785b1 2021-03-09 op }
669 0972d8b2 2021-03-02 op
670 1c690d0a 2021-08-03 op static int
671 0b1053d2 2021-08-13 op load_file_url(struct tab *tab, const char *url)
672 0b1053d2 2021-08-13 op {
673 0b1053d2 2021-08-13 op tab->trust = TS_UNKNOWN;
674 0b1053d2 2021-08-13 op return make_fs_request(tab, IMSG_GET_FILE, tab->uri.path);
675 0b1053d2 2021-08-13 op }
676 0b1053d2 2021-08-13 op
677 0b1053d2 2021-08-13 op static int
678 5fb52fc0 2021-07-25 op load_finger_url(struct tab *tab, const char *url)
679 5fb52fc0 2021-07-25 op {
680 5fb52fc0 2021-07-25 op struct get_req req;
681 5fb52fc0 2021-07-25 op size_t len;
682 5fb52fc0 2021-07-25 op char *at;
683 5fb52fc0 2021-07-25 op
684 5fb52fc0 2021-07-25 op memset(&req, 0, sizeof(req));
685 ba782cb8 2021-07-25 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
686 5fb52fc0 2021-07-25 op
687 5fb52fc0 2021-07-25 op /*
688 5fb52fc0 2021-07-25 op * Sometimes the finger url have the user as path component
689 5fb52fc0 2021-07-25 op * (e.g. finger://thelambdalab.xyz/plugd), sometimes as
690 5fb52fc0 2021-07-25 op * userinfo (e.g. finger://cobradile@finger.farm).
691 5fb52fc0 2021-07-25 op */
692 5fb52fc0 2021-07-25 op if ((at = strchr(tab->uri.host, '@')) != NULL) {
693 5fb52fc0 2021-07-25 op len = at - tab->uri.host;
694 5fb52fc0 2021-07-25 op memcpy(req.req, tab->uri.host, len);
695 5fb52fc0 2021-07-25 op
696 5fb52fc0 2021-07-25 op if (len >= sizeof(req.req))
697 5fb52fc0 2021-07-25 op die();
698 5fb52fc0 2021-07-25 op req.req[len] = '\0';
699 5fb52fc0 2021-07-25 op
700 5fb52fc0 2021-07-25 op strlcpy(req.host, at+1, sizeof(req.host));
701 5fb52fc0 2021-07-25 op } else {
702 5fb52fc0 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
703 5fb52fc0 2021-07-25 op
704 5fb52fc0 2021-07-25 op /* +1 to skip the initial `/' */
705 5fb52fc0 2021-07-25 op strlcpy(req.req, tab->uri.path+1, sizeof(req.req));
706 5fb52fc0 2021-07-25 op }
707 5fb52fc0 2021-07-25 op strlcat(req.req, "\r\n", sizeof(req.req));
708 5fb52fc0 2021-07-25 op
709 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
710 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_FINGER, NULL);
711 5fb52fc0 2021-07-25 op }
712 5fb52fc0 2021-07-25 op
713 1c690d0a 2021-08-03 op static int
714 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
715 4d3785b1 2021-03-09 op {
716 984245ce 2021-06-23 op struct get_req req;
717 2eef3403 2021-04-22 op
718 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
719 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
720 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
721 984245ce 2021-06-23 op
722 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_GEMINI, tab->hist_cur->h);
723 ca190c99 2021-08-14 op }
724 ca190c99 2021-08-14 op
725 ca190c99 2021-08-14 op static inline const char *
726 ca190c99 2021-08-14 op gopher_skip_selector(const char *path, int *ret_type)
727 ca190c99 2021-08-14 op {
728 ca190c99 2021-08-14 op *ret_type = 0;
729 ca190c99 2021-08-14 op
730 ca190c99 2021-08-14 op if (!strcmp(path, "/") || *path == '\0') {
731 ca190c99 2021-08-14 op *ret_type = '1';
732 ca190c99 2021-08-14 op return path;
733 ca190c99 2021-08-14 op }
734 ca190c99 2021-08-14 op
735 ca190c99 2021-08-14 op if (*path != '/')
736 ca190c99 2021-08-14 op return path;
737 ca190c99 2021-08-14 op path++;
738 ca190c99 2021-08-14 op
739 ca190c99 2021-08-14 op switch (*ret_type = *path) {
740 ca190c99 2021-08-14 op case '0':
741 ca190c99 2021-08-14 op case '1':
742 ca190c99 2021-08-14 op case '7':
743 ca190c99 2021-08-14 op break;
744 ca190c99 2021-08-14 op
745 ca190c99 2021-08-14 op default:
746 ca190c99 2021-08-14 op *ret_type = 0;
747 ca190c99 2021-08-14 op path -= 1;
748 ca190c99 2021-08-14 op return path;
749 ca190c99 2021-08-14 op }
750 ca190c99 2021-08-14 op
751 95bb01e2 2021-08-28 op return ++path;
752 1663bf1e 2021-07-25 op }
753 1663bf1e 2021-07-25 op
754 1c690d0a 2021-08-03 op static int
755 1663bf1e 2021-07-25 op load_gopher_url(struct tab *tab, const char *url)
756 1663bf1e 2021-07-25 op {
757 81839fee 2021-07-25 op struct get_req req;
758 ca190c99 2021-08-14 op int type;
759 81839fee 2021-07-25 op const char *path;
760 1663bf1e 2021-07-25 op
761 1663bf1e 2021-07-25 op memset(&req, 0, sizeof(req));
762 1663bf1e 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
763 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
764 1663bf1e 2021-07-25 op
765 ca190c99 2021-08-14 op path = gopher_skip_selector(tab->uri.path, &type);
766 ca190c99 2021-08-14 op switch (type) {
767 ca190c99 2021-08-14 op case '0':
768 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
769 ca190c99 2021-08-14 op break;
770 ca190c99 2021-08-14 op case '1':
771 ca190c99 2021-08-14 op parser_init(tab, gophermap_initparser);
772 ca190c99 2021-08-14 op break;
773 ca190c99 2021-08-14 op case '7':
774 9a28e7e5 2021-08-03 op ui_require_input(tab, 0, PROTO_GOPHER);
775 9a28e7e5 2021-08-03 op return load_page_from_str(tab, err_pages[10]);
776 ca190c99 2021-08-14 op default:
777 ca190c99 2021-08-14 op return load_page_from_str(tab, "Unknown gopher selector");
778 81839fee 2021-07-25 op }
779 81839fee 2021-07-25 op
780 9a28e7e5 2021-08-03 op strlcpy(req.req, path, sizeof(req.req));
781 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
782 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
783 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
784 9a28e7e5 2021-08-03 op }
785 767da05c 2021-08-13 op strlcat(req.req, "\r\n", sizeof(req.req));
786 9a28e7e5 2021-08-03 op
787 767da05c 2021-08-13 op return make_request(tab, &req, PROTO_GOPHER, NULL);
788 0972d8b2 2021-03-02 op }
789 0972d8b2 2021-03-02 op
790 1c690d0a 2021-08-03 op static int
791 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
792 984245ce 2021-06-23 op {
793 984245ce 2021-06-23 op struct get_req req;
794 984245ce 2021-06-23 op
795 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
796 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
797 f94c7ac1 2021-11-24 op strlcpy(req.port, p->port, sizeof(req.port));
798 984245ce 2021-06-23 op
799 cf1195ce 2021-07-25 op tab->proxy = p;
800 984245ce 2021-06-23 op
801 1c690d0a 2021-08-03 op return make_request(tab, &req, p->proto, tab->hist_cur->h);
802 cf1195ce 2021-07-25 op }
803 984245ce 2021-06-23 op
804 1c690d0a 2021-08-03 op static int
805 cf1195ce 2021-07-25 op make_request(struct tab *tab, struct get_req *req, int proto, const char *r)
806 cf1195ce 2021-07-25 op {
807 cf1195ce 2021-07-25 op stop_tab(tab);
808 cf1195ce 2021-07-25 op tab->id = tab_new_id();
809 cf1195ce 2021-07-25 op req->proto = proto;
810 cf1195ce 2021-07-25 op
811 cf1195ce 2021-07-25 op if (r != NULL) {
812 cf1195ce 2021-07-25 op strlcpy(req->req, r, sizeof(req->req));
813 cf1195ce 2021-07-25 op strlcat(req->req, "\r\n", sizeof(req->req));
814 cf1195ce 2021-07-25 op }
815 cf1195ce 2021-07-25 op
816 cf1195ce 2021-07-25 op ui_send_net(IMSG_GET_RAW, tab->id, req, sizeof(*req));
817 1c690d0a 2021-08-03 op
818 1c690d0a 2021-08-03 op /*
819 1c690d0a 2021-08-03 op * So the various load_*_url can `return make_request` and
820 1c690d0a 2021-08-03 op * do_load_url is happy.
821 1c690d0a 2021-08-03 op */
822 1c690d0a 2021-08-03 op return 1;
823 984245ce 2021-06-23 op }
824 984245ce 2021-06-23 op
825 c7586aab 2021-08-13 op static int
826 c7586aab 2021-08-13 op make_fs_request(struct tab *tab, int type, const char *r)
827 c7586aab 2021-08-13 op {
828 c7586aab 2021-08-13 op stop_tab(tab);
829 c7586aab 2021-08-13 op tab->id = tab_new_id();
830 c7586aab 2021-08-13 op
831 c7586aab 2021-08-13 op ui_send_fs(type, tab->id, r, strlen(r)+1);
832 c7586aab 2021-08-13 op
833 c7586aab 2021-08-13 op /*
834 c7586aab 2021-08-13 op * So load_{about,file}_url can `return make_fs_request` and
835 c7586aab 2021-08-13 op * do_load_url is happy.
836 c7586aab 2021-08-13 op */
837 c7586aab 2021-08-13 op return 1;
838 c7586aab 2021-08-13 op }
839 c7586aab 2021-08-13 op
840 9a28e7e5 2021-08-03 op void
841 9a28e7e5 2021-08-03 op gopher_send_search_req(struct tab *tab, const char *text)
842 9a28e7e5 2021-08-03 op {
843 9a28e7e5 2021-08-03 op struct get_req req;
844 1b0e6efc 2021-08-08 op
845 1b0e6efc 2021-08-08 op start_loading_anim(tab);
846 9a28e7e5 2021-08-03 op
847 9a28e7e5 2021-08-03 op memset(&req, 0, sizeof(req));
848 9a28e7e5 2021-08-03 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
849 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
850 9a28e7e5 2021-08-03 op
851 9a28e7e5 2021-08-03 op /* +2 to skip /7 */
852 9a28e7e5 2021-08-03 op strlcpy(req.req, tab->uri.path+2, sizeof(req.req));
853 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
854 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
855 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
856 9a28e7e5 2021-08-03 op }
857 9a28e7e5 2021-08-03 op
858 9a28e7e5 2021-08-03 op strlcat(req.req, "\t", sizeof(req.req));
859 9a28e7e5 2021-08-03 op strlcat(req.req, text, sizeof(req.req));
860 9a28e7e5 2021-08-03 op strlcat(req.req, "\r\n", sizeof(req.req));
861 9a28e7e5 2021-08-03 op
862 9a28e7e5 2021-08-03 op erase_buffer(&tab->buffer);
863 9a28e7e5 2021-08-03 op parser_init(tab, gophermap_initparser);
864 9a28e7e5 2021-08-03 op
865 9a28e7e5 2021-08-03 op make_request(tab, &req, PROTO_GOPHER, NULL);
866 9a28e7e5 2021-08-03 op }
867 9a28e7e5 2021-08-03 op
868 adea4eec 2021-07-16 op /*
869 adea4eec 2021-07-16 op * Effectively load the given url in the given tab. Return 1 when
870 adea4eec 2021-07-16 op * loading the page asynchronously, and thus when an erase_buffer can
871 adea4eec 2021-07-16 op * be done right after this function return, or 0 when loading the
872 9eca3d7c 2021-11-02 op * page synchronously.
873 adea4eec 2021-07-16 op */
874 adea4eec 2021-07-16 op static int
875 bd3a3a95 2021-07-20 op do_load_url(struct tab *tab, const char *url, const char *base)
876 4d3785b1 2021-03-09 op {
877 31f1a758 2021-04-22 op struct phos_uri uri;
878 31f1a758 2021-04-22 op struct proto *p;
879 984245ce 2021-06-23 op struct proxy *proxy;
880 31f1a758 2021-04-22 op char *t;
881 7943bb81 2021-07-10 op
882 7943bb81 2021-07-10 op tab->proxy = NULL;
883 de2a69bb 2021-05-17 op
884 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
885 10346511 2021-03-17 op
886 bd3a3a95 2021-07-20 op if (base == NULL)
887 bd3a3a95 2021-07-20 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
888 bd3a3a95 2021-07-20 op else
889 bd3a3a95 2021-07-20 op phos_parse_absolute_uri(base, &uri);
890 bd3a3a95 2021-07-20 op
891 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
892 902fc2c2 2021-07-25 op if (asprintf(&t, "#error loading %s\n>%s\n",
893 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
894 31f1a758 2021-04-22 op die();
895 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
896 31f1a758 2021-04-22 op load_page_from_str(tab, t);
897 31f1a758 2021-04-22 op free(t);
898 adea4eec 2021-07-16 op return 0;
899 31f1a758 2021-04-22 op }
900 31f1a758 2021-04-22 op
901 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
902 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
903 31f1a758 2021-04-22 op
904 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
905 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
906 ba782cb8 2021-07-25 op /* patch the port */
907 ba782cb8 2021-07-25 op if (*tab->uri.port == '\0' && p->port != NULL)
908 ba782cb8 2021-07-25 op strlcpy(tab->uri.port, p->port,
909 ba782cb8 2021-07-25 op sizeof(tab->uri.port));
910 ba782cb8 2021-07-25 op
911 1c690d0a 2021-08-03 op return p->loadfn(tab, url);
912 4d3785b1 2021-03-09 op }
913 4d3785b1 2021-03-09 op }
914 4d3785b1 2021-03-09 op
915 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
916 1c690d0a 2021-08-03 op if (!strcmp(tab->uri.scheme, proxy->match_proto))
917 1c690d0a 2021-08-03 op return load_via_proxy(tab, url, proxy);
918 984245ce 2021-06-23 op }
919 984245ce 2021-06-23 op
920 b38cd1f7 2021-08-03 op return load_page_from_str(tab, err_pages[UNKNOWN_PROTOCOL]);
921 4d3785b1 2021-03-09 op }
922 4d3785b1 2021-03-09 op
923 2ddbda6b 2021-07-17 op /*
924 ea639250 2021-01-02 op * Load url in tab and handle history. If a tab is marked as lazy, only
925 ea639250 2021-01-02 op * prepare the url but don't load it.
926 2ddbda6b 2021-07-17 op */
927 9ad4627d 2021-03-10 op void
928 bc55cdb9 2021-08-12 op load_url(struct tab *tab, const char *url, const char *base, int nohist)
929 2051e653 2021-03-13 op {
930 ea639250 2021-01-02 op int lazy = tab->flags & TAB_LAZY;
931 bc55cdb9 2021-08-12 op
932 bc55cdb9 2021-08-12 op if (!nohist && (!lazy || tab->hist_cur == NULL)) {
933 2ddbda6b 2021-07-17 op if (tab->hist_cur != NULL)
934 2ddbda6b 2021-07-17 op hist_clear_forward(&tab->hist,
935 2ddbda6b 2021-07-17 op TAILQ_NEXT(tab->hist_cur, entries));
936 2ddbda6b 2021-07-17 op
937 69f32f56 2021-08-16 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur)))
938 69f32f56 2021-08-16 op == NULL) {
939 2ddbda6b 2021-07-17 op event_loopbreak();
940 2ddbda6b 2021-07-17 op return;
941 2ddbda6b 2021-07-17 op }
942 2ddbda6b 2021-07-17 op
943 2ddbda6b 2021-07-17 op strlcpy(tab->buffer.page.title, url,
944 2ddbda6b 2021-07-17 op sizeof(tab->buffer.page.title));
945 2ddbda6b 2021-07-17 op hist_push(&tab->hist, tab->hist_cur);
946 2ddbda6b 2021-07-17 op
947 2ddbda6b 2021-07-17 op if (lazy)
948 2ddbda6b 2021-07-17 op strlcpy(tab->hist_cur->h, url,
949 2ddbda6b 2021-07-17 op sizeof(tab->hist_cur->h));
950 2ddbda6b 2021-07-17 op }
951 2ddbda6b 2021-07-17 op
952 9eca3d7c 2021-11-02 op if (!lazy)
953 9eca3d7c 2021-11-02 op do_load_url(tab, url, base);
954 2051e653 2021-03-13 op }
955 2051e653 2021-03-13 op
956 a37d1a1c 2021-08-14 op void
957 a37d1a1c 2021-08-14 op load_url_in_tab(struct tab *tab, const char *url, const char *base, int nohist)
958 a37d1a1c 2021-08-14 op {
959 a37d1a1c 2021-08-14 op if (!operating) {
960 a37d1a1c 2021-08-14 op load_url(tab, url, base, nohist);
961 a37d1a1c 2021-08-14 op return;
962 a37d1a1c 2021-08-14 op }
963 a37d1a1c 2021-08-14 op
964 a37d1a1c 2021-08-14 op autosave_hook();
965 a37d1a1c 2021-08-14 op
966 a37d1a1c 2021-08-14 op message("Loading %s...", url);
967 a37d1a1c 2021-08-14 op start_loading_anim(tab);
968 a37d1a1c 2021-08-14 op load_url(tab, url, base, nohist);
969 a37d1a1c 2021-08-14 op }
970 a37d1a1c 2021-08-14 op
971 2051e653 2021-03-13 op int
972 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
973 2051e653 2021-03-13 op {
974 2051e653 2021-03-13 op struct hist *h;
975 2051e653 2021-03-13 op
976 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
977 2051e653 2021-03-13 op return 0;
978 2051e653 2021-03-13 op tab->hist_cur = h;
979 bd3a3a95 2021-07-20 op do_load_url(tab, h->h, NULL);
980 2051e653 2021-03-13 op return 1;
981 2051e653 2021-03-13 op }
982 2051e653 2021-03-13 op
983 2051e653 2021-03-13 op int
984 2051e653 2021-03-13 op load_next_page(struct tab *tab)
985 2051e653 2021-03-13 op {
986 2051e653 2021-03-13 op struct hist *h;
987 2051e653 2021-03-13 op
988 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
989 2051e653 2021-03-13 op return 0;
990 2051e653 2021-03-13 op tab->hist_cur = h;
991 bd3a3a95 2021-07-20 op do_load_url(tab, h->h, NULL);
992 2051e653 2021-03-13 op return 1;
993 a37d1a1c 2021-08-14 op }
994 a37d1a1c 2021-08-14 op
995 2051e653 2021-03-13 op void
996 740f578b 2021-03-15 op add_to_bookmarks(const char *str)
997 740f578b 2021-03-15 op {
998 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_BOOKMARK_PAGE, 0,
999 bc10f6a5 2021-07-12 op str, strlen(str)+1);
1000 c7107cec 2021-04-01 op }
1001 c6efff96 2021-08-16 op
1002 c6efff96 2021-08-16 op /*
1003 f6d7d047 2021-12-30 op * Given a user-entered URL, apply some heuristics to use it:
1004 c6efff96 2021-08-16 op *
1005 f6d7d047 2021-12-30 op * - if it's a proper url use it
1006 f6d7d047 2021-12-30 op * - if it starts with a `./' or a `/' assume its a file:// url
1007 f6d7d047 2021-12-30 op * - assume it's a gemini:// url
1008 c6efff96 2021-08-16 op *
1009 f6d7d047 2021-12-30 op * `ret' (of which len is the size) will be filled with the resulting
1010 f6d7d047 2021-12-30 op * url.
1011 c6efff96 2021-08-16 op */
1012 c6efff96 2021-08-16 op void
1013 c6efff96 2021-08-16 op humanify_url(const char *raw, char *ret, size_t len)
1014 c6efff96 2021-08-16 op {
1015 c6efff96 2021-08-16 op struct phos_uri uri;
1016 c6efff96 2021-08-16 op char buf[PATH_MAX];
1017 c7107cec 2021-04-01 op
1018 c6efff96 2021-08-16 op if (phos_parse_absolute_uri(raw, &uri)) {
1019 c6efff96 2021-08-16 op strlcpy(ret, raw, len);
1020 c6efff96 2021-08-16 op return;
1021 c6efff96 2021-08-16 op }
1022 c6efff96 2021-08-16 op
1023 c6efff96 2021-08-16 op if (has_prefix(raw, "./")) {
1024 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
1025 c6efff96 2021-08-16 op getcwd(buf, sizeof(buf));
1026 c6efff96 2021-08-16 op strlcat(ret, buf, len);
1027 c6efff96 2021-08-16 op strlcat(ret, "/", len);
1028 c6efff96 2021-08-16 op strlcat(ret, raw+2, len);
1029 c6efff96 2021-08-16 op return;
1030 c6efff96 2021-08-16 op }
1031 c6efff96 2021-08-16 op
1032 c6efff96 2021-08-16 op if (*raw == '/') {
1033 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
1034 c6efff96 2021-08-16 op strlcat(ret, raw, len);
1035 c6efff96 2021-08-16 op return;
1036 c6efff96 2021-08-16 op }
1037 c6efff96 2021-08-16 op
1038 c6efff96 2021-08-16 op strlcpy(ret, "gemini://", len);
1039 c6efff96 2021-08-16 op strlcat(ret, raw, len);
1040 c6efff96 2021-08-16 op }
1041 c6efff96 2021-08-16 op
1042 6cc5fcfe 2021-07-08 op static pid_t
1043 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
1044 6cc5fcfe 2021-07-08 op {
1045 55ccd6d0 2021-09-15 op const char *argv[5];
1046 6cc5fcfe 2021-07-08 op int argc = 0;
1047 6cc5fcfe 2021-07-08 op pid_t pid;
1048 6cc5fcfe 2021-07-08 op
1049 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
1050 6cc5fcfe 2021-07-08 op case -1:
1051 6cc5fcfe 2021-07-08 op die();
1052 6cc5fcfe 2021-07-08 op case 0:
1053 6cc5fcfe 2021-07-08 op break;
1054 6cc5fcfe 2021-07-08 op default:
1055 6cc5fcfe 2021-07-08 op close(fd);
1056 6cc5fcfe 2021-07-08 op return pid;
1057 6cc5fcfe 2021-07-08 op }
1058 6cc5fcfe 2021-07-08 op
1059 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
1060 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
1061 6cc5fcfe 2021-07-08 op
1062 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
1063 6cc5fcfe 2021-07-08 op switch (p) {
1064 6cc5fcfe 2021-07-08 op case PROC_UI:
1065 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
1066 6cc5fcfe 2021-07-08 op case PROC_FS:
1067 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
1068 6cc5fcfe 2021-07-08 op break;
1069 6cc5fcfe 2021-07-08 op case PROC_NET:
1070 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
1071 6cc5fcfe 2021-07-08 op break;
1072 6cc5fcfe 2021-07-08 op }
1073 6cc5fcfe 2021-07-08 op
1074 55ccd6d0 2021-09-15 op if (safe_mode)
1075 55ccd6d0 2021-09-15 op argv[argc++] = "-S";
1076 55ccd6d0 2021-09-15 op
1077 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
1078 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
1079 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
1080 6cc5fcfe 2021-07-08 op }
1081 6cc5fcfe 2021-07-08 op
1082 1fce2e75 2021-08-14 op int
1083 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
1084 bc10f6a5 2021-07-12 op uint16_t datalen)
1085 bc10f6a5 2021-07-12 op {
1086 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
1087 bc10f6a5 2021-07-12 op datalen);
1088 bc10f6a5 2021-07-12 op }
1089 bc10f6a5 2021-07-12 op
1090 1fce2e75 2021-08-14 op int
1091 bc10f6a5 2021-07-12 op ui_send_fs(int type, uint32_t peerid, const void *data, uint16_t datalen)
1092 bc10f6a5 2021-07-12 op {
1093 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_fs, type, peerid, 0, -1, data,
1094 bc10f6a5 2021-07-12 op datalen);
1095 bc10f6a5 2021-07-12 op }
1096 bc10f6a5 2021-07-12 op
1097 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
1098 6cc5fcfe 2021-07-08 op usage(int r)
1099 d2544989 2021-07-08 op {
1100 335cfaec 2021-09-15 op fprintf(stderr, "USAGE: %s [-ChnSv] [-c config] [url]\n",
1101 dc761924 2021-07-15 op getprogname());
1102 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
1103 6cc5fcfe 2021-07-08 op exit(r);
1104 740f578b 2021-03-15 op }
1105 740f578b 2021-03-15 op
1106 5e11c00c 2021-03-02 op int
1107 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
1108 5e11c00c 2021-03-02 op {
1109 bc10f6a5 2021-07-12 op struct imsgev net_ibuf, fs_ibuf;
1110 be97d6e6 2021-08-15 op pid_t pid;
1111 bc10f6a5 2021-07-12 op int pipe2net[2], pipe2fs[2];
1112 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
1113 6cc5fcfe 2021-07-08 op int proc = -1;
1114 5d7c642a 2021-09-15 op int sessionfd = -1;
1115 be97d6e6 2021-08-15 op int status;
1116 6cc5fcfe 2021-07-08 op const char *argv0;
1117 5e11c00c 2021-03-02 op
1118 6cc5fcfe 2021-07-08 op argv0 = argv[0];
1119 6cc5fcfe 2021-07-08 op
1120 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
1121 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
1122 5e11c00c 2021-03-02 op
1123 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
1124 d2544989 2021-07-08 op enable_colors = 0;
1125 d2544989 2021-07-08 op
1126 eb2ed626 2021-10-07 op fs_init();
1127 d2544989 2021-07-08 op
1128 dc761924 2021-07-15 op while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
1129 d2544989 2021-07-08 op switch (ch) {
1130 1853ee50 2021-07-15 op case 'C':
1131 1853ee50 2021-07-15 op exit(ui_print_colors());
1132 d2544989 2021-07-08 op case 'c':
1133 d2544989 2021-07-08 op fail = 1;
1134 eb2ed626 2021-10-07 op strlcpy(config_path, optarg, sizeof(config_path));
1135 d2544989 2021-07-08 op break;
1136 d2544989 2021-07-08 op case 'n':
1137 d2544989 2021-07-08 op configtest = 1;
1138 d2544989 2021-07-08 op break;
1139 d2544989 2021-07-08 op case 'h':
1140 6cc5fcfe 2021-07-08 op usage(0);
1141 d0971653 2021-09-15 op case 'S':
1142 d0971653 2021-09-15 op safe_mode = 1;
1143 d0971653 2021-09-15 op break;
1144 6cc5fcfe 2021-07-08 op case 'T':
1145 6cc5fcfe 2021-07-08 op switch (*optarg) {
1146 6cc5fcfe 2021-07-08 op case 'f':
1147 6cc5fcfe 2021-07-08 op proc = PROC_FS;
1148 6cc5fcfe 2021-07-08 op break;
1149 6cc5fcfe 2021-07-08 op case 'n':
1150 6cc5fcfe 2021-07-08 op proc = PROC_NET;
1151 6cc5fcfe 2021-07-08 op break;
1152 6cc5fcfe 2021-07-08 op default:
1153 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
1154 6cc5fcfe 2021-07-08 op *optarg);
1155 6cc5fcfe 2021-07-08 op }
1156 6cc5fcfe 2021-07-08 op break;
1157 dc761924 2021-07-15 op case 'v':
1158 dc761924 2021-07-15 op printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
1159 dc761924 2021-07-15 op exit(0);
1160 dc761924 2021-07-15 op break;
1161 d2544989 2021-07-08 op default:
1162 6cc5fcfe 2021-07-08 op usage(1);
1163 d2544989 2021-07-08 op }
1164 d2544989 2021-07-08 op }
1165 d2544989 2021-07-08 op
1166 d2544989 2021-07-08 op argc -= optind;
1167 d2544989 2021-07-08 op argv += optind;
1168 d2544989 2021-07-08 op
1169 6cc5fcfe 2021-07-08 op if (proc != -1) {
1170 6cc5fcfe 2021-07-08 op if (argc > 0)
1171 6cc5fcfe 2021-07-08 op usage(1);
1172 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
1173 6cc5fcfe 2021-07-08 op return fs_main();
1174 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
1175 f45bd2e3 2021-07-24 op return net_main();
1176 6cc5fcfe 2021-07-08 op else
1177 6cc5fcfe 2021-07-08 op usage(1);
1178 6cc5fcfe 2021-07-08 op }
1179 6cc5fcfe 2021-07-08 op
1180 d2544989 2021-07-08 op if (argc != 0) {
1181 d2544989 2021-07-08 op has_url = 1;
1182 c6efff96 2021-08-16 op humanify_url(argv[0], url, sizeof(url));
1183 d2544989 2021-07-08 op }
1184 d2544989 2021-07-08 op
1185 d5bdf203 2021-07-08 op /* setup keys before reading the config */
1186 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
1187 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
1188 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
1189 d5bdf203 2021-07-08 op
1190 d2544989 2021-07-08 op config_init();
1191 eb2ed626 2021-10-07 op parseconfig(config_path, fail);
1192 69f32f56 2021-08-16 op if (configtest) {
1193 d2544989 2021-07-08 op puts("config OK");
1194 d2544989 2021-07-08 op exit(0);
1195 d2544989 2021-07-08 op }
1196 d2544989 2021-07-08 op
1197 112b9046 2021-08-29 op if (download_path == NULL &&
1198 112b9046 2021-08-29 op (download_path = strdup("/tmp/")) == NULL)
1199 112b9046 2021-08-29 op errx(1, "strdup");
1200 112b9046 2021-08-29 op
1201 5d7c642a 2021-09-15 op if (!safe_mode && (sessionfd = lock_session()) == -1)
1202 d0fd368a 2021-07-15 op errx(1, "can't lock session, is another instance of "
1203 d0fd368a 2021-07-15 op "telescope already running?");
1204 d0fd368a 2021-07-15 op
1205 6cc5fcfe 2021-07-08 op /* Start children. */
1206 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2fs) == -1)
1207 5e11c00c 2021-03-02 op err(1, "socketpair");
1208 bc10f6a5 2021-07-12 op start_child(PROC_FS, argv0, pipe2fs[1]);
1209 bc10f6a5 2021-07-12 op imsg_init(&fs_ibuf.ibuf, pipe2fs[0]);
1210 bc10f6a5 2021-07-12 op iev_fs = &fs_ibuf;
1211 bc10f6a5 2021-07-12 op iev_fs->handler = handle_dispatch_imsg;
1212 5e11c00c 2021-03-02 op
1213 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
1214 35e1f40a 2021-03-14 op err(1, "socketpair");
1215 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
1216 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
1217 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
1218 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
1219 5e11c00c 2021-03-02 op
1220 37d429b0 2021-04-01 op setproctitle("ui");
1221 35e1f40a 2021-03-14 op
1222 6cc5fcfe 2021-07-08 op /* initialize tofu & load certificates */
1223 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
1224 3a227e9a 2021-03-18 op load_certs(&certs);
1225 cbcc75fb 2021-03-17 op
1226 5e11c00c 2021-03-02 op event_init();
1227 5e11c00c 2021-03-02 op
1228 ecfbb1d4 2021-08-14 op /* Setup event handler for the autosave */
1229 1fce2e75 2021-08-14 op autosave_init();
1230 ecfbb1d4 2021-08-14 op
1231 bc10f6a5 2021-07-12 op /* Setup event handlers for pipes to fs/net */
1232 bc10f6a5 2021-07-12 op iev_fs->events = EV_READ;
1233 bc10f6a5 2021-07-12 op event_set(&iev_fs->ev, iev_fs->ibuf.fd, iev_fs->events,
1234 bc10f6a5 2021-07-12 op iev_fs->handler, iev_fs);
1235 bc10f6a5 2021-07-12 op event_add(&iev_fs->ev, NULL);
1236 5e11c00c 2021-03-02 op
1237 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
1238 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
1239 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
1240 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
1241 d2544989 2021-07-08 op
1242 bb28f1c2 2021-12-30 op if (ui_init()) {
1243 941b3761 2021-03-18 op sandbox_ui_process();
1244 bb28f1c2 2021-12-30 op event_dispatch();
1245 941b3761 2021-03-18 op ui_end();
1246 941b3761 2021-03-18 op }
1247 5e11c00c 2021-03-02 op
1248 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_QUIT, 0, NULL, 0);
1249 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
1250 3e5fd7be 2021-07-13 op imsg_flush(&iev_fs->ibuf);
1251 a9925134 2021-07-15 op imsg_flush(&iev_net->ibuf);
1252 be97d6e6 2021-08-15 op
1253 be97d6e6 2021-08-15 op /* wait for children to terminate */
1254 be97d6e6 2021-08-15 op do {
1255 be97d6e6 2021-08-15 op pid = wait(&status);
1256 be97d6e6 2021-08-15 op if (pid == -1) {
1257 be97d6e6 2021-08-15 op if (errno != EINTR && errno != ECHILD)
1258 be97d6e6 2021-08-15 op err(1, "wait");
1259 be97d6e6 2021-08-15 op } else if (WIFSIGNALED(status))
1260 be97d6e6 2021-08-15 op warnx("child terminated; signal %d", WTERMSIG(status));
1261 be97d6e6 2021-08-15 op } while (pid != -1 || (pid == -1 && errno == EINTR));
1262 5e11c00c 2021-03-02 op
1263 5d7c642a 2021-09-15 op if (!safe_mode && close(sessionfd) == -1)
1264 5d7c642a 2021-09-15 op err(1, "close(sessionfd = %d)", sessionfd);
1265 d0fd368a 2021-07-15 op
1266 5e11c00c 2021-03-02 op return 0;
1267 5e11c00c 2021-03-02 op }