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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 d5af38cc 2022-01-10 op #include "mcache.h"
33 4bc446b9 2021-07-21 op #include "minibuffer.h"
34 395b9f4e 2021-07-12 op #include "parser.h"
35 1fce2e75 2021-08-14 op #include "session.h"
36 395b9f4e 2021-07-12 op #include "telescope.h"
37 d1a0f2a3 2021-07-12 op #include "ui.h"
38 9d65b1d9 2022-01-11 op #include "utils.h"
39 dc761924 2021-07-15 op
40 dc761924 2021-07-15 op static struct option longopts[] = {
41 a599eaa6 2021-01-02 op {"colors", no_argument, NULL, 'C'},
42 a599eaa6 2021-01-02 op {"colours", no_argument, NULL, 'C'},
43 dc761924 2021-07-15 op {"help", no_argument, NULL, 'h'},
44 d0971653 2021-09-15 op {"safe", no_argument, NULL, 'S'},
45 dc761924 2021-07-15 op {"version", no_argument, NULL, 'v'},
46 dc761924 2021-07-15 op {NULL, 0, NULL, 0},
47 dc761924 2021-07-15 op };
48 dc761924 2021-07-15 op
49 d0971653 2021-09-15 op static const char *opts = "Cc:hnST:v";
50 a37d1a1c 2021-08-14 op
51 bb28f1c2 2021-12-30 op static int has_url;
52 bb28f1c2 2021-12-30 op static char url[GEMINI_URL_LEN];
53 bb28f1c2 2021-12-30 op
54 a37d1a1c 2021-08-14 op /*
55 a37d1a1c 2021-08-14 op * Used to know when we're finished loading.
56 a37d1a1c 2021-08-14 op */
57 1fce2e75 2021-08-14 op int operating;
58 395b9f4e 2021-07-12 op
59 d0971653 2021-09-15 op /*
60 d0971653 2021-09-15 op * "Safe" (or "sandobox") mode. If enabled, Telescope shouldn't write
61 d0971653 2021-09-15 op * anything to the filesystem or execute external programs.
62 d0971653 2021-09-15 op */
63 d0971653 2021-09-15 op int safe_mode;
64 d0971653 2021-09-15 op
65 bc10f6a5 2021-07-12 op static struct imsgev *iev_fs, *iev_net;
66 ecfbb1d4 2021-08-14 op
67 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
68 6c74799d 2022-01-05 op struct tabshead ktabshead = TAILQ_HEAD_INITIALIZER(ktabshead);
69 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
70 6cc5fcfe 2021-07-08 op
71 6cc5fcfe 2021-07-08 op enum telescope_process {
72 6cc5fcfe 2021-07-08 op PROC_UI,
73 6cc5fcfe 2021-07-08 op PROC_FS,
74 6cc5fcfe 2021-07-08 op PROC_NET,
75 6cc5fcfe 2021-07-08 op };
76 5e11c00c 2021-03-02 op
77 9a8a7402 2021-07-18 op #define CANNOT_FETCH 0
78 9a8a7402 2021-07-18 op #define TOO_MUCH_REDIRECTS 1
79 9a8a7402 2021-07-18 op #define MALFORMED_RESPONSE 2
80 9a8a7402 2021-07-18 op #define UNKNOWN_TYPE_OR_CSET 3
81 9a8a7402 2021-07-18 op #define UNKNOWN_PROTOCOL 4
82 9a8a7402 2021-07-18 op
83 a21e0756 2021-08-14 op /* XXX: keep in sync with normalize_code */
84 9a8a7402 2021-07-18 op const char *err_pages[70] = {
85 9a8a7402 2021-07-18 op [CANNOT_FETCH] = "# Couldn't load the page\n",
86 9a8a7402 2021-07-18 op [TOO_MUCH_REDIRECTS] = "# Too much redirects\n",
87 9a8a7402 2021-07-18 op [MALFORMED_RESPONSE] = "# Got a malformed response\n",
88 9a8a7402 2021-07-18 op [UNKNOWN_TYPE_OR_CSET] = "# Unsupported type or charset\n",
89 9a8a7402 2021-07-18 op [UNKNOWN_PROTOCOL] = "# Unknown protocol\n",
90 9a8a7402 2021-07-18 op
91 9a8a7402 2021-07-18 op [10] = "# Input required\n",
92 9a8a7402 2021-07-18 op [11] = "# Input required\n",
93 9a8a7402 2021-07-18 op [40] = "# Temporary failure\n",
94 9a8a7402 2021-07-18 op [41] = "# Server unavailable\n",
95 9a8a7402 2021-07-18 op [42] = "# CGI error\n",
96 9a8a7402 2021-07-18 op [43] = "# Proxy error\n",
97 9a8a7402 2021-07-18 op [44] = "# Slow down\n",
98 9a8a7402 2021-07-18 op [50] = "# Permanent failure\n",
99 9a8a7402 2021-07-18 op [51] = "# Not found\n",
100 9a8a7402 2021-07-18 op [52] = "# Gone\n",
101 9a8a7402 2021-07-18 op [53] = "# Proxy request refused\n",
102 9a8a7402 2021-07-18 op [59] = "# Bad request\n",
103 9a8a7402 2021-07-18 op [60] = "# Client certificate required\n",
104 9a8a7402 2021-07-18 op [61] = "# Certificate not authorised\n",
105 9a8a7402 2021-07-18 op [62] = "# Certificate not valid\n"
106 9a8a7402 2021-07-18 op };
107 9a8a7402 2021-07-18 op
108 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
109 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
110 69f32f56 2021-08-16 op static void handle_imsg_err(struct imsg *, size_t);
111 69f32f56 2021-08-16 op static void handle_imsg_check_cert(struct imsg *, size_t);
112 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
113 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
114 69f32f56 2021-08-16 op static void handle_imsg_got_code(struct imsg *, size_t);
115 69f32f56 2021-08-16 op static void handle_imsg_got_meta(struct imsg *, size_t);
116 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
117 d1353324 2021-07-13 op static void handle_save_page_path(const char *, struct tab *);
118 69f32f56 2021-08-16 op static void handle_imsg_file_opened(struct imsg *, size_t);
119 69f32f56 2021-08-16 op static void handle_imsg_buf(struct imsg *, size_t);
120 69f32f56 2021-08-16 op static void handle_imsg_eof(struct imsg *, size_t);
121 eb722b50 2022-01-03 op static void handle_imsg_tofu(struct imsg *, size_t);
122 69f32f56 2021-08-16 op static void handle_imsg_bookmark_ok(struct imsg *, size_t);
123 69f32f56 2021-08-16 op static void handle_imsg_save_cert_ok(struct imsg *, size_t);
124 288fd238 2021-04-25 op static void handle_imsg_update_cert_ok(struct imsg *, size_t);
125 bb28f1c2 2021-12-30 op static void handle_imsg_session(struct imsg *, size_t);
126 69f32f56 2021-08-16 op static void handle_dispatch_imsg(int, short, void *);
127 69f32f56 2021-08-16 op static int load_about_url(struct tab *, const char *);
128 0b1053d2 2021-08-13 op static int load_file_url(struct tab *, const char *);
129 1c690d0a 2021-08-03 op static int load_finger_url(struct tab *, const char *);
130 69f32f56 2021-08-16 op static int load_gemini_url(struct tab *, const char *);
131 1c690d0a 2021-08-03 op static int load_gopher_url(struct tab *, const char *);
132 1c690d0a 2021-08-03 op static int load_via_proxy(struct tab *, const char *,
133 dfb5eb39 2021-07-25 op struct proxy *);
134 1c690d0a 2021-08-03 op static int make_request(struct tab *, struct get_req *, int,
135 cf1195ce 2021-07-25 op const char *);
136 c7586aab 2021-08-13 op static int make_fs_request(struct tab *, int, const char *);
137 ed21a9a1 2022-01-11 op static int do_load_url(struct tab *, const char *, const char *, int);
138 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
139 dfb5eb39 2021-07-25 op
140 352e0355 2021-07-25 op static struct proto {
141 352e0355 2021-07-25 op const char *schema;
142 ba782cb8 2021-07-25 op const char *port;
143 69f32f56 2021-08-16 op int (*loadfn)(struct tab *, const char *);
144 352e0355 2021-07-25 op } protos[] = {
145 ba782cb8 2021-07-25 op {"about", NULL, load_about_url},
146 0b1053d2 2021-08-13 op {"file", NULL, load_file_url},
147 ba782cb8 2021-07-25 op {"finger", "79", load_finger_url},
148 ba782cb8 2021-07-25 op {"gemini", "1965", load_gemini_url},
149 1663bf1e 2021-07-25 op {"gopher", "70", load_gopher_url},
150 ba782cb8 2021-07-25 op {NULL, NULL, NULL},
151 dfb5eb39 2021-07-25 op };
152 5e11c00c 2021-03-02 op
153 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
154 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
155 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
156 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
157 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
158 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
159 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
160 eb722b50 2022-01-03 op [IMSG_TOFU] = handle_imsg_tofu,
161 740f578b 2021-03-15 op [IMSG_BOOKMARK_OK] = handle_imsg_bookmark_ok,
162 3a227e9a 2021-03-18 op [IMSG_SAVE_CERT_OK] = handle_imsg_save_cert_ok,
163 288fd238 2021-04-25 op [IMSG_UPDATE_CERT_OK] = handle_imsg_update_cert_ok,
164 de2a69bb 2021-05-17 op [IMSG_FILE_OPENED] = handle_imsg_file_opened,
165 bb28f1c2 2021-12-30 op [IMSG_SESSION_TAB] = handle_imsg_session,
166 1040cc7f 2021-01-02 op [IMSG_SESSION_TAB_HIST] = handle_imsg_session,
167 bb28f1c2 2021-12-30 op [IMSG_SESSION_END] = handle_imsg_session,
168 5e11c00c 2021-03-02 op };
169 5e11c00c 2021-03-02 op
170 cbcc75fb 2021-03-17 op static struct ohash certs;
171 cbcc75fb 2021-03-17 op
172 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
173 5e11c00c 2021-03-02 op die(void)
174 5e11c00c 2021-03-02 op {
175 5e11c00c 2021-03-02 op abort(); /* TODO */
176 5e11c00c 2021-03-02 op }
177 5e11c00c 2021-03-02 op
178 5e11c00c 2021-03-02 op static struct tab *
179 f6243012 2021-07-19 op tab_by_id(uint32_t id)
180 5e11c00c 2021-03-02 op {
181 5e11c00c 2021-03-02 op struct tab *t;
182 5e11c00c 2021-03-02 op
183 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
184 5e11c00c 2021-03-02 op if (t->id == id)
185 5e11c00c 2021-03-02 op return t;
186 5e11c00c 2021-03-02 op }
187 5e11c00c 2021-03-02 op
188 5d6c2088 2021-07-19 op return NULL;
189 5e11c00c 2021-03-02 op }
190 5e11c00c 2021-03-02 op
191 5e11c00c 2021-03-02 op static void
192 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
193 5e11c00c 2021-03-02 op {
194 3a9b9365 2021-03-09 op struct tab *tab;
195 3a9b9365 2021-03-09 op char *page;
196 3a9b9365 2021-03-09 op
197 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
198 f6243012 2021-07-19 op return;
199 3a9b9365 2021-03-09 op
200 3a9b9365 2021-03-09 op page = imsg->data;
201 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
202 3a9b9365 2021-03-09 op
203 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
204 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
205 3a9b9365 2021-03-09 op die();
206 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
207 3a9b9365 2021-03-09 op free(page);
208 5e11c00c 2021-03-02 op }
209 5e11c00c 2021-03-02 op
210 5e11c00c 2021-03-02 op static void
211 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
212 5e11c00c 2021-03-02 op {
213 984245ce 2021-06-23 op const char *hash, *host, *port;
214 cbcc75fb 2021-03-17 op int tofu_res;
215 cbcc75fb 2021-03-17 op struct tofu_entry *e;
216 cbcc75fb 2021-03-17 op struct tab *tab;
217 5e11c00c 2021-03-02 op
218 cbcc75fb 2021-03-17 op hash = imsg->data;
219 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
220 cbcc75fb 2021-03-17 op abort();
221 cbcc75fb 2021-03-17 op
222 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
223 f6243012 2021-07-19 op return;
224 cbcc75fb 2021-03-17 op
225 984245ce 2021-06-23 op if (tab->proxy != NULL) {
226 984245ce 2021-06-23 op host = tab->proxy->host;
227 984245ce 2021-06-23 op port = tab->proxy->port;
228 984245ce 2021-06-23 op } else {
229 984245ce 2021-06-23 op host = tab->uri.host;
230 984245ce 2021-06-23 op port = tab->uri.port;
231 984245ce 2021-06-23 op }
232 984245ce 2021-06-23 op
233 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
234 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
235 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
236 cbcc75fb 2021-03-17 op * the certs! */
237 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
238 cbcc75fb 2021-03-17 op abort();
239 cbcc75fb 2021-03-17 op
240 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
241 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
242 cbcc75fb 2021-03-17 op abort();
243 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
244 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
245 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
246 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
247 eb4388ee 2021-04-25 op }
248 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
249 3768e50f 2021-04-25 op tofu_add(&certs, e);
250 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SAVE_CERT, tab->id, e, sizeof(*e));
251 cbcc75fb 2021-03-17 op } else
252 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
253 cbcc75fb 2021-03-17 op
254 5d1bac73 2021-03-25 op if (tofu_res) {
255 a2fd3805 2021-07-06 op if (e->verified == -1)
256 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
257 a2fd3805 2021-07-06 op else if (e->verified == 1)
258 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
259 a2fd3805 2021-07-06 op else
260 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
261 a2fd3805 2021-07-06 op
262 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, imsg->hdr.peerid,
263 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
264 5d1bac73 2021-03-25 op } else {
265 cbcc75fb 2021-03-17 op tab->trust = TS_UNTRUSTED;
266 cbcc75fb 2021-03-17 op load_page_from_str(tab, "# Certificate mismatch\n");
267 288fd238 2021-04-25 op if ((tab->cert = strdup(hash)) == NULL)
268 288fd238 2021-04-25 op die();
269 5d1bac73 2021-03-25 op ui_yornp("Certificate mismatch. Proceed?",
270 a2fd3805 2021-07-06 op handle_check_cert_user_choice, tab);
271 cbcc75fb 2021-03-17 op }
272 5d1bac73 2021-03-25 op }
273 5d1bac73 2021-03-25 op
274 5d1bac73 2021-03-25 op static void
275 a2fd3805 2021-07-06 op handle_check_cert_user_choice(int accept, struct tab *tab)
276 5d1bac73 2021-03-25 op {
277 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, tab->id, &accept,
278 bc10f6a5 2021-07-12 op sizeof(accept));
279 288fd238 2021-04-25 op
280 a2fd3805 2021-07-06 op if (accept) {
281 a2fd3805 2021-07-06 op /*
282 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
283 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
284 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
285 7b4e4feb 2021-08-15 op * tabid (one request == one tab id). It also makes
286 7b4e4feb 2021-08-15 op * sense to save it for the current session if the
287 7b4e4feb 2021-08-15 op * user accepted it.
288 a2fd3805 2021-07-06 op */
289 69f32f56 2021-08-16 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port,
290 69f32f56 2021-08-16 op tab->cert);
291 a2fd3805 2021-07-06 op
292 d0971653 2021-09-15 op if (!safe_mode)
293 d0971653 2021-09-15 op ui_yornp("Save the new certificate?",
294 d0971653 2021-09-15 op handle_maybe_save_new_cert, tab);
295 d0971653 2021-09-15 op else
296 d0971653 2021-09-15 op message("Certificate temporarly trusted");
297 a2fd3805 2021-07-06 op } else {
298 288fd238 2021-04-25 op free(tab->cert);
299 288fd238 2021-04-25 op tab->cert = NULL;
300 288fd238 2021-04-25 op }
301 5e11c00c 2021-03-02 op }
302 5e11c00c 2021-03-02 op
303 288fd238 2021-04-25 op static void
304 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
305 288fd238 2021-04-25 op {
306 288fd238 2021-04-25 op struct tofu_entry *e;
307 984245ce 2021-06-23 op const char *host, *port;
308 288fd238 2021-04-25 op
309 984245ce 2021-06-23 op if (tab->proxy != NULL) {
310 984245ce 2021-06-23 op host = tab->proxy->host;
311 984245ce 2021-06-23 op port = tab->proxy->port;
312 984245ce 2021-06-23 op } else {
313 984245ce 2021-06-23 op host = tab->uri.host;
314 984245ce 2021-06-23 op port = tab->uri.port;
315 984245ce 2021-06-23 op }
316 984245ce 2021-06-23 op
317 288fd238 2021-04-25 op if (!accept)
318 288fd238 2021-04-25 op goto end;
319 288fd238 2021-04-25 op
320 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
321 288fd238 2021-04-25 op die();
322 288fd238 2021-04-25 op
323 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
324 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
325 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
326 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
327 288fd238 2021-04-25 op }
328 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
329 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_UPDATE_CERT, 0, e, sizeof(*e));
330 288fd238 2021-04-25 op
331 288fd238 2021-04-25 op tofu_update(&certs, e);
332 288fd238 2021-04-25 op
333 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
334 288fd238 2021-04-25 op
335 288fd238 2021-04-25 op end:
336 288fd238 2021-04-25 op free(tab->cert);
337 288fd238 2021-04-25 op tab->cert = NULL;
338 288fd238 2021-04-25 op }
339 288fd238 2021-04-25 op
340 5cd2ebb1 2021-03-11 op static inline int
341 5cd2ebb1 2021-03-11 op normalize_code(int n)
342 5cd2ebb1 2021-03-11 op {
343 5cd2ebb1 2021-03-11 op if (n < 20) {
344 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
345 5cd2ebb1 2021-03-11 op return n;
346 5cd2ebb1 2021-03-11 op return 10;
347 5cd2ebb1 2021-03-11 op } else if (n < 30) {
348 5cd2ebb1 2021-03-11 op return 20;
349 5cd2ebb1 2021-03-11 op } else if (n < 40) {
350 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
351 5cd2ebb1 2021-03-11 op return n;
352 5cd2ebb1 2021-03-11 op return 30;
353 5cd2ebb1 2021-03-11 op } else if (n < 50) {
354 5cd2ebb1 2021-03-11 op if (n <= 44)
355 5cd2ebb1 2021-03-11 op return n;
356 5cd2ebb1 2021-03-11 op return 40;
357 5cd2ebb1 2021-03-11 op } else if (n < 60) {
358 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
359 5cd2ebb1 2021-03-11 op return n;
360 5cd2ebb1 2021-03-11 op return 50;
361 5cd2ebb1 2021-03-11 op } else if (n < 70) {
362 5cd2ebb1 2021-03-11 op if (n <= 62)
363 5cd2ebb1 2021-03-11 op return n;
364 5cd2ebb1 2021-03-11 op return 60;
365 5cd2ebb1 2021-03-11 op } else
366 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
367 5cd2ebb1 2021-03-11 op }
368 5cd2ebb1 2021-03-11 op
369 5e11c00c 2021-03-02 op static void
370 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
371 5e11c00c 2021-03-02 op {
372 0972d8b2 2021-03-02 op struct tab *tab;
373 5e11c00c 2021-03-02 op
374 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
375 f6243012 2021-07-19 op return;
376 0972d8b2 2021-03-02 op
377 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
378 5e11c00c 2021-03-02 op die();
379 5e11c00c 2021-03-02 op
380 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
381 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
382 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
383 0972d8b2 2021-03-02 op tab->redirect_count = 0;
384 5e11c00c 2021-03-02 op }
385 5e11c00c 2021-03-02 op
386 5e11c00c 2021-03-02 op static void
387 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
388 5e11c00c 2021-03-02 op {
389 0972d8b2 2021-03-02 op struct tab *tab;
390 fcd99a0d 2021-11-05 op char buf[128];
391 0972d8b2 2021-03-02 op
392 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
393 f6243012 2021-07-19 op return;
394 0972d8b2 2021-03-02 op
395 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
396 0972d8b2 2021-03-02 op die();
397 5cd2ebb1 2021-03-11 op
398 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
399 0972d8b2 2021-03-02 op
400 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
401 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
402 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
403 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
404 9a28e7e5 2021-08-03 op ui_require_input(tab, tab->code == 11, PROTO_GEMINI);
405 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
406 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
407 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
408 fcd99a0d 2021-11-05 op } else if (safe_mode) {
409 69f32f56 2021-08-16 op load_page_from_str(tab,
410 69f32f56 2021-08-16 op err_pages[UNKNOWN_TYPE_OR_CSET]);
411 fcd99a0d 2021-11-05 op } else {
412 fcd99a0d 2021-11-05 op struct hist *h;
413 fcd99a0d 2021-11-05 op
414 fcd99a0d 2021-11-05 op if ((h = hist_pop(&tab->hist)) != NULL)
415 fcd99a0d 2021-11-05 op tab->hist_cur = h;
416 fcd99a0d 2021-11-05 op snprintf(buf, sizeof(buf),
417 fcd99a0d 2021-11-05 op "Can't display \"%s\", save it?", tab->meta);
418 fcd99a0d 2021-11-05 op ui_yornp(buf, handle_maybe_save_page, tab);
419 c07ac996 2021-03-12 op }
420 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
421 3a9b9365 2021-03-09 op tab->redirect_count++;
422 0972d8b2 2021-03-02 op
423 3a9b9365 2021-03-09 op /* TODO: make customizable? */
424 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
425 3a9b9365 2021-03-09 op load_page_from_str(tab,
426 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
427 5cd2ebb1 2021-03-11 op } else
428 ed21a9a1 2022-01-11 op do_load_url(tab, tab->meta, NULL, LU_MODE_NOCACHE);
429 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
430 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
431 3a9b9365 2021-03-09 op }
432 de2a69bb 2021-05-17 op }
433 de2a69bb 2021-05-17 op
434 de2a69bb 2021-05-17 op static void
435 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
436 de2a69bb 2021-05-17 op {
437 bb9912eb 2021-08-29 op const char *f;
438 bb9912eb 2021-08-29 op char input[PATH_MAX];
439 bb9912eb 2021-08-29 op
440 fcd99a0d 2021-11-05 op /* XXX: this print a message that is confusing */
441 fcd99a0d 2021-11-05 op ui_on_tab_loaded(tab);
442 fcd99a0d 2021-11-05 op
443 bb9912eb 2021-08-29 op if (!dosave) {
444 a2fd3805 2021-07-06 op stop_tab(tab);
445 bb9912eb 2021-08-29 op return;
446 bb9912eb 2021-08-29 op }
447 bb9912eb 2021-08-29 op
448 bb9912eb 2021-08-29 op if ((f = strrchr(tab->uri.path, '/')) == NULL)
449 bb9912eb 2021-08-29 op f = "";
450 bb9912eb 2021-08-29 op else
451 bb9912eb 2021-08-29 op f++;
452 bb9912eb 2021-08-29 op
453 112b9046 2021-08-29 op strlcpy(input, download_path, sizeof(input));
454 bb9912eb 2021-08-29 op strlcat(input, f, sizeof(input));
455 bb9912eb 2021-08-29 op
456 bb9912eb 2021-08-29 op ui_read("Save to path", handle_save_page_path, tab, input);
457 de2a69bb 2021-05-17 op }
458 de2a69bb 2021-05-17 op
459 de2a69bb 2021-05-17 op static void
460 d1353324 2021-07-13 op handle_save_page_path(const char *path, struct tab *tab)
461 d1353324 2021-07-13 op {
462 de2a69bb 2021-05-17 op if (path == NULL) {
463 d1353324 2021-07-13 op stop_tab(tab);
464 de2a69bb 2021-05-17 op return;
465 de2a69bb 2021-05-17 op }
466 de2a69bb 2021-05-17 op
467 fcd99a0d 2021-11-05 op ui_show_downloads_pane();
468 de2a69bb 2021-05-17 op
469 fcd99a0d 2021-11-05 op enqueue_download(tab->id, path);
470 d1353324 2021-07-13 op ui_send_fs(IMSG_FILE_OPEN, tab->id, path, strlen(path)+1);
471 fcd99a0d 2021-11-05 op
472 fcd99a0d 2021-11-05 op /*
473 fcd99a0d 2021-11-05 op * Change this tab id, the old one is associated with the
474 fcd99a0d 2021-11-05 op * download now.
475 fcd99a0d 2021-11-05 op */
476 fcd99a0d 2021-11-05 op tab->id = tab_new_id();
477 5e11c00c 2021-03-02 op }
478 5e11c00c 2021-03-02 op
479 5e11c00c 2021-03-02 op static void
480 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
481 de2a69bb 2021-05-17 op {
482 fcd99a0d 2021-11-05 op struct download *d;
483 de2a69bb 2021-05-17 op const char *e;
484 de2a69bb 2021-05-17 op
485 fcd99a0d 2021-11-05 op /*
486 fcd99a0d 2021-11-05 op * There are no reason we shouldn't be able to find the
487 fcd99a0d 2021-11-05 op * required download.
488 fcd99a0d 2021-11-05 op */
489 fcd99a0d 2021-11-05 op if ((d = download_by_id(imsg->hdr.peerid)) == NULL)
490 fcd99a0d 2021-11-05 op die();
491 de2a69bb 2021-05-17 op
492 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
493 de2a69bb 2021-05-17 op e = imsg->data;
494 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
495 de2a69bb 2021-05-17 op die();
496 fcd99a0d 2021-11-05 op message("Can't open file %s: %s", d->path, e);
497 de2a69bb 2021-05-17 op } else {
498 fcd99a0d 2021-11-05 op d->fd = imsg->fd;
499 fcd99a0d 2021-11-05 op ui_send_net(IMSG_PROCEED, d->id, NULL, 0);
500 bb28f1c2 2021-12-30 op }
501 bb28f1c2 2021-12-30 op }
502 bb28f1c2 2021-12-30 op
503 bb28f1c2 2021-12-30 op static void
504 bb28f1c2 2021-12-30 op handle_imsg_session(struct imsg *imsg, size_t datalen)
505 bb28f1c2 2021-12-30 op {
506 bb28f1c2 2021-12-30 op static struct tab *curr;
507 1040cc7f 2021-01-02 op static struct tab *tab;
508 bb28f1c2 2021-12-30 op struct session_tab st;
509 1040cc7f 2021-01-02 op struct session_tab_hist sth;
510 1040cc7f 2021-01-02 op struct hist *h;
511 bb28f1c2 2021-12-30 op int first_time;
512 bb28f1c2 2021-12-30 op
513 bb28f1c2 2021-12-30 op /*
514 bb28f1c2 2021-12-30 op * The fs process tried to send tabs after it has announced
515 bb28f1c2 2021-12-30 op * that he's done. Something fishy is going on, better die.
516 bb28f1c2 2021-12-30 op */
517 bb28f1c2 2021-12-30 op if (operating)
518 bb28f1c2 2021-12-30 op die();
519 bb28f1c2 2021-12-30 op
520 92ce02e2 2021-01-02 op switch (imsg->hdr.type) {
521 92ce02e2 2021-01-02 op case IMSG_SESSION_TAB:
522 92ce02e2 2021-01-02 op if (datalen != sizeof(st))
523 92ce02e2 2021-01-02 op die();
524 92ce02e2 2021-01-02 op
525 92ce02e2 2021-01-02 op memcpy(&st, imsg->data, sizeof(st));
526 92ce02e2 2021-01-02 op if ((tab = new_tab(st.uri, NULL, NULL)) == NULL)
527 92ce02e2 2021-01-02 op die();
528 92ce02e2 2021-01-02 op strlcpy(tab->buffer.page.title, st.title,
529 92ce02e2 2021-01-02 op sizeof(tab->buffer.page.title));
530 92ce02e2 2021-01-02 op if (st.flags & TAB_CURRENT)
531 92ce02e2 2021-01-02 op curr = tab;
532 6c74799d 2022-01-05 op if (st.flags & TAB_KILLED)
533 05de8ac3 2022-01-06 op kill_tab(tab, 1);
534 92ce02e2 2021-01-02 op break;
535 92ce02e2 2021-01-02 op
536 1040cc7f 2021-01-02 op case IMSG_SESSION_TAB_HIST:
537 1040cc7f 2021-01-02 op if (tab == NULL || datalen != sizeof(sth))
538 1040cc7f 2021-01-02 op die();
539 1040cc7f 2021-01-02 op
540 1040cc7f 2021-01-02 op memcpy(&sth, imsg->data, sizeof(sth));
541 1040cc7f 2021-01-02 op if (sth.uri[sizeof(sth.uri)-1] != '\0')
542 1040cc7f 2021-01-02 op die();
543 1040cc7f 2021-01-02 op
544 1040cc7f 2021-01-02 op if ((h = calloc(1, sizeof(*h))) == NULL)
545 1040cc7f 2021-01-02 op die();
546 1040cc7f 2021-01-02 op strlcpy(h->h, sth.uri, sizeof(h->h));
547 1040cc7f 2021-01-02 op
548 1040cc7f 2021-01-02 op if (sth.future)
549 1040cc7f 2021-01-02 op hist_push(&tab->hist, h);
550 1040cc7f 2021-01-02 op else
551 1040cc7f 2021-01-02 op hist_add_before(&tab->hist, tab->hist_cur, h);
552 1040cc7f 2021-01-02 op break;
553 1040cc7f 2021-01-02 op
554 92ce02e2 2021-01-02 op case IMSG_SESSION_END:
555 bb28f1c2 2021-12-30 op if (datalen != sizeof(first_time))
556 bb28f1c2 2021-12-30 op die();
557 bb28f1c2 2021-12-30 op memcpy(&first_time, imsg->data, sizeof(first_time));
558 bb28f1c2 2021-12-30 op if (first_time) {
559 bb28f1c2 2021-12-30 op new_tab("about:new", NULL, NULL);
560 bb28f1c2 2021-12-30 op curr = new_tab("about:help", NULL, NULL);
561 bb28f1c2 2021-12-30 op }
562 bb28f1c2 2021-12-30 op
563 bb28f1c2 2021-12-30 op operating = 1;
564 bb28f1c2 2021-12-30 op if (curr != NULL)
565 bb28f1c2 2021-12-30 op switch_to_tab(curr);
566 bb28f1c2 2021-12-30 op if (has_url || TAILQ_EMPTY(&tabshead))
567 bb28f1c2 2021-12-30 op new_tab(url, NULL, NULL);
568 bb28f1c2 2021-12-30 op ui_main_loop();
569 92ce02e2 2021-01-02 op break;
570 bb28f1c2 2021-12-30 op
571 92ce02e2 2021-01-02 op default:
572 bb28f1c2 2021-12-30 op die();
573 92ce02e2 2021-01-02 op }
574 de2a69bb 2021-05-17 op }
575 de2a69bb 2021-05-17 op
576 de2a69bb 2021-05-17 op static void
577 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
578 5e11c00c 2021-03-02 op {
579 fcd99a0d 2021-11-05 op struct tab *tab = NULL;
580 fcd99a0d 2021-11-05 op struct download *d = NULL;
581 5e11c00c 2021-03-02 op
582 fcd99a0d 2021-11-05 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL &&
583 fcd99a0d 2021-11-05 op (d = download_by_id(imsg->hdr.peerid)) == NULL)
584 5d6c2088 2021-07-19 op return;
585 5e11c00c 2021-03-02 op
586 fcd99a0d 2021-11-05 op if (tab != NULL) {
587 8c1b0837 2021-07-25 op if (!parser_parse(tab, imsg->data, datalen))
588 de2a69bb 2021-05-17 op die();
589 fcd99a0d 2021-11-05 op ui_on_tab_refresh(tab);
590 de2a69bb 2021-05-17 op } else {
591 fcd99a0d 2021-11-05 op d->bytes += datalen;
592 fcd99a0d 2021-11-05 op write(d->fd, imsg->data, datalen);
593 fcd99a0d 2021-11-05 op ui_on_download_refresh();
594 de2a69bb 2021-05-17 op }
595 5e11c00c 2021-03-02 op }
596 5e11c00c 2021-03-02 op
597 5e11c00c 2021-03-02 op static void
598 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
599 5e11c00c 2021-03-02 op {
600 fcd99a0d 2021-11-05 op struct tab *tab = NULL;
601 fcd99a0d 2021-11-05 op struct download *d = NULL;
602 a5c3e03d 2021-03-02 op
603 fcd99a0d 2021-11-05 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL &&
604 fcd99a0d 2021-11-05 op (d = download_by_id(imsg->hdr.peerid)) == NULL)
605 f6243012 2021-07-19 op return;
606 de2a69bb 2021-05-17 op
607 fcd99a0d 2021-11-05 op if (tab != NULL) {
608 8c1b0837 2021-07-25 op if (!parser_free(tab))
609 de2a69bb 2021-05-17 op die();
610 dc8e7bf6 2022-01-11 op if (has_prefix(tab->hist_cur->h, "gemini://") ||
611 dc8e7bf6 2022-01-11 op has_prefix(tab->hist_cur->h, "gopher://"))
612 8f3c9af8 2022-01-11 op mcache_tab(tab);
613 fcd99a0d 2021-11-05 op ui_on_tab_refresh(tab);
614 fcd99a0d 2021-11-05 op ui_on_tab_loaded(tab);
615 de2a69bb 2021-05-17 op } else {
616 fcd99a0d 2021-11-05 op close(d->fd);
617 fcd99a0d 2021-11-05 op d->fd = -1;
618 fcd99a0d 2021-11-05 op ui_on_download_refresh();
619 de2a69bb 2021-05-17 op }
620 5e11c00c 2021-03-02 op }
621 5e11c00c 2021-03-02 op
622 5e11c00c 2021-03-02 op static void
623 eb722b50 2022-01-03 op handle_imsg_tofu(struct imsg *imsg, size_t datalen)
624 eb722b50 2022-01-03 op {
625 eb722b50 2022-01-03 op struct tofu_entry *e;
626 eb722b50 2022-01-03 op
627 eb722b50 2022-01-03 op if (operating)
628 eb722b50 2022-01-03 op die();
629 eb722b50 2022-01-03 op
630 eb722b50 2022-01-03 op if ((e = calloc(1, sizeof(*e))) == NULL)
631 eb722b50 2022-01-03 op die();
632 eb722b50 2022-01-03 op
633 eb722b50 2022-01-03 op if (datalen != sizeof(*e))
634 eb722b50 2022-01-03 op die();
635 eb722b50 2022-01-03 op memcpy(e, imsg->data, sizeof(*e));
636 eb722b50 2022-01-03 op if (e->domain[sizeof(e->domain)-1] != '\0' ||
637 eb722b50 2022-01-03 op e->hash[sizeof(e->hash)-1] != '\0')
638 eb722b50 2022-01-03 op die();
639 eb722b50 2022-01-03 op tofu_add(&certs, e);
640 eb722b50 2022-01-03 op }
641 eb722b50 2022-01-03 op
642 eb722b50 2022-01-03 op static void
643 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
644 740f578b 2021-03-15 op {
645 740f578b 2021-03-15 op int res;
646 740f578b 2021-03-15 op
647 740f578b 2021-03-15 op if (datalen != sizeof(res))
648 740f578b 2021-03-15 op die();
649 740f578b 2021-03-15 op
650 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
651 740f578b 2021-03-15 op if (res == 0)
652 7f963c41 2021-06-20 op message("Added to bookmarks!");
653 740f578b 2021-03-15 op else
654 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
655 740f578b 2021-03-15 op strerror(res));
656 740f578b 2021-03-15 op }
657 740f578b 2021-03-15 op
658 740f578b 2021-03-15 op static void
659 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
660 3a227e9a 2021-03-18 op {
661 3a227e9a 2021-03-18 op int res;
662 3a227e9a 2021-03-18 op
663 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
664 3a227e9a 2021-03-18 op die();
665 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
666 3a227e9a 2021-03-18 op if (res != 0)
667 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
668 3a227e9a 2021-03-18 op strerror(res));
669 288fd238 2021-04-25 op }
670 288fd238 2021-04-25 op
671 288fd238 2021-04-25 op static void
672 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
673 288fd238 2021-04-25 op {
674 288fd238 2021-04-25 op int res;
675 288fd238 2021-04-25 op
676 288fd238 2021-04-25 op if (datalen != sizeof(res))
677 288fd238 2021-04-25 op die();
678 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
679 288fd238 2021-04-25 op if (!res)
680 7f963c41 2021-06-20 op message("Failed to update the certificate");
681 3a227e9a 2021-03-18 op }
682 3a227e9a 2021-03-18 op
683 3a227e9a 2021-03-18 op static void
684 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
685 5e11c00c 2021-03-02 op {
686 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
687 ea080950 2021-07-20 op
688 ea080950 2021-07-20 op if (dispatch_imsg(iev, ev, handlers, sizeof(handlers)) == -1)
689 ea080950 2021-07-20 op err(1, "connection closed");
690 0972d8b2 2021-03-02 op }
691 0972d8b2 2021-03-02 op
692 1c690d0a 2021-08-03 op static int
693 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
694 0972d8b2 2021-03-02 op {
695 7b2aac84 2021-08-13 op tab->trust = TS_UNKNOWN;
696 8c1b0837 2021-07-25 op parser_init(tab, gemtext_initparser);
697 c7586aab 2021-08-13 op return make_fs_request(tab, IMSG_GET, url);
698 4d3785b1 2021-03-09 op }
699 0972d8b2 2021-03-02 op
700 1c690d0a 2021-08-03 op static int
701 0b1053d2 2021-08-13 op load_file_url(struct tab *tab, const char *url)
702 0b1053d2 2021-08-13 op {
703 0b1053d2 2021-08-13 op tab->trust = TS_UNKNOWN;
704 0b1053d2 2021-08-13 op return make_fs_request(tab, IMSG_GET_FILE, tab->uri.path);
705 0b1053d2 2021-08-13 op }
706 0b1053d2 2021-08-13 op
707 0b1053d2 2021-08-13 op static int
708 5fb52fc0 2021-07-25 op load_finger_url(struct tab *tab, const char *url)
709 5fb52fc0 2021-07-25 op {
710 5fb52fc0 2021-07-25 op struct get_req req;
711 5fb52fc0 2021-07-25 op size_t len;
712 5fb52fc0 2021-07-25 op char *at;
713 5fb52fc0 2021-07-25 op
714 5fb52fc0 2021-07-25 op memset(&req, 0, sizeof(req));
715 ba782cb8 2021-07-25 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
716 5fb52fc0 2021-07-25 op
717 5fb52fc0 2021-07-25 op /*
718 5fb52fc0 2021-07-25 op * Sometimes the finger url have the user as path component
719 5fb52fc0 2021-07-25 op * (e.g. finger://thelambdalab.xyz/plugd), sometimes as
720 5fb52fc0 2021-07-25 op * userinfo (e.g. finger://cobradile@finger.farm).
721 5fb52fc0 2021-07-25 op */
722 5fb52fc0 2021-07-25 op if ((at = strchr(tab->uri.host, '@')) != NULL) {
723 5fb52fc0 2021-07-25 op len = at - tab->uri.host;
724 5fb52fc0 2021-07-25 op memcpy(req.req, tab->uri.host, len);
725 5fb52fc0 2021-07-25 op
726 5fb52fc0 2021-07-25 op if (len >= sizeof(req.req))
727 5fb52fc0 2021-07-25 op die();
728 5fb52fc0 2021-07-25 op req.req[len] = '\0';
729 5fb52fc0 2021-07-25 op
730 5fb52fc0 2021-07-25 op strlcpy(req.host, at+1, sizeof(req.host));
731 5fb52fc0 2021-07-25 op } else {
732 5fb52fc0 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
733 5fb52fc0 2021-07-25 op
734 5fb52fc0 2021-07-25 op /* +1 to skip the initial `/' */
735 5fb52fc0 2021-07-25 op strlcpy(req.req, tab->uri.path+1, sizeof(req.req));
736 5fb52fc0 2021-07-25 op }
737 5fb52fc0 2021-07-25 op strlcat(req.req, "\r\n", sizeof(req.req));
738 5fb52fc0 2021-07-25 op
739 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
740 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_FINGER, NULL);
741 5fb52fc0 2021-07-25 op }
742 5fb52fc0 2021-07-25 op
743 1c690d0a 2021-08-03 op static int
744 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
745 4d3785b1 2021-03-09 op {
746 984245ce 2021-06-23 op struct get_req req;
747 2eef3403 2021-04-22 op
748 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
749 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
750 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
751 984245ce 2021-06-23 op
752 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_GEMINI, tab->hist_cur->h);
753 ca190c99 2021-08-14 op }
754 ca190c99 2021-08-14 op
755 ca190c99 2021-08-14 op static inline const char *
756 ca190c99 2021-08-14 op gopher_skip_selector(const char *path, int *ret_type)
757 ca190c99 2021-08-14 op {
758 ca190c99 2021-08-14 op *ret_type = 0;
759 ca190c99 2021-08-14 op
760 ca190c99 2021-08-14 op if (!strcmp(path, "/") || *path == '\0') {
761 ca190c99 2021-08-14 op *ret_type = '1';
762 ca190c99 2021-08-14 op return path;
763 ca190c99 2021-08-14 op }
764 ca190c99 2021-08-14 op
765 ca190c99 2021-08-14 op if (*path != '/')
766 ca190c99 2021-08-14 op return path;
767 ca190c99 2021-08-14 op path++;
768 ca190c99 2021-08-14 op
769 ca190c99 2021-08-14 op switch (*ret_type = *path) {
770 ca190c99 2021-08-14 op case '0':
771 ca190c99 2021-08-14 op case '1':
772 ca190c99 2021-08-14 op case '7':
773 ca190c99 2021-08-14 op break;
774 ca190c99 2021-08-14 op
775 ca190c99 2021-08-14 op default:
776 ca190c99 2021-08-14 op *ret_type = 0;
777 ca190c99 2021-08-14 op path -= 1;
778 ca190c99 2021-08-14 op return path;
779 ca190c99 2021-08-14 op }
780 ca190c99 2021-08-14 op
781 95bb01e2 2021-08-28 op return ++path;
782 1663bf1e 2021-07-25 op }
783 1663bf1e 2021-07-25 op
784 1c690d0a 2021-08-03 op static int
785 1663bf1e 2021-07-25 op load_gopher_url(struct tab *tab, const char *url)
786 1663bf1e 2021-07-25 op {
787 81839fee 2021-07-25 op struct get_req req;
788 ca190c99 2021-08-14 op int type;
789 81839fee 2021-07-25 op const char *path;
790 1663bf1e 2021-07-25 op
791 1663bf1e 2021-07-25 op memset(&req, 0, sizeof(req));
792 1663bf1e 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
793 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
794 1663bf1e 2021-07-25 op
795 ca190c99 2021-08-14 op path = gopher_skip_selector(tab->uri.path, &type);
796 ca190c99 2021-08-14 op switch (type) {
797 ca190c99 2021-08-14 op case '0':
798 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
799 ca190c99 2021-08-14 op break;
800 ca190c99 2021-08-14 op case '1':
801 ca190c99 2021-08-14 op parser_init(tab, gophermap_initparser);
802 ca190c99 2021-08-14 op break;
803 ca190c99 2021-08-14 op case '7':
804 9a28e7e5 2021-08-03 op ui_require_input(tab, 0, PROTO_GOPHER);
805 9a28e7e5 2021-08-03 op return load_page_from_str(tab, err_pages[10]);
806 ca190c99 2021-08-14 op default:
807 ca190c99 2021-08-14 op return load_page_from_str(tab, "Unknown gopher selector");
808 81839fee 2021-07-25 op }
809 81839fee 2021-07-25 op
810 9a28e7e5 2021-08-03 op strlcpy(req.req, path, sizeof(req.req));
811 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
812 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
813 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
814 9a28e7e5 2021-08-03 op }
815 767da05c 2021-08-13 op strlcat(req.req, "\r\n", sizeof(req.req));
816 9a28e7e5 2021-08-03 op
817 767da05c 2021-08-13 op return make_request(tab, &req, PROTO_GOPHER, NULL);
818 0972d8b2 2021-03-02 op }
819 0972d8b2 2021-03-02 op
820 1c690d0a 2021-08-03 op static int
821 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
822 984245ce 2021-06-23 op {
823 984245ce 2021-06-23 op struct get_req req;
824 984245ce 2021-06-23 op
825 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
826 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
827 f94c7ac1 2021-11-24 op strlcpy(req.port, p->port, sizeof(req.port));
828 984245ce 2021-06-23 op
829 cf1195ce 2021-07-25 op tab->proxy = p;
830 984245ce 2021-06-23 op
831 1c690d0a 2021-08-03 op return make_request(tab, &req, p->proto, tab->hist_cur->h);
832 cf1195ce 2021-07-25 op }
833 984245ce 2021-06-23 op
834 1c690d0a 2021-08-03 op static int
835 cf1195ce 2021-07-25 op make_request(struct tab *tab, struct get_req *req, int proto, const char *r)
836 cf1195ce 2021-07-25 op {
837 cf1195ce 2021-07-25 op stop_tab(tab);
838 cf1195ce 2021-07-25 op tab->id = tab_new_id();
839 cf1195ce 2021-07-25 op req->proto = proto;
840 cf1195ce 2021-07-25 op
841 cf1195ce 2021-07-25 op if (r != NULL) {
842 cf1195ce 2021-07-25 op strlcpy(req->req, r, sizeof(req->req));
843 cf1195ce 2021-07-25 op strlcat(req->req, "\r\n", sizeof(req->req));
844 cf1195ce 2021-07-25 op }
845 cf1195ce 2021-07-25 op
846 5df02e0d 2022-01-11 op start_loading_anim(tab);
847 cf1195ce 2021-07-25 op ui_send_net(IMSG_GET_RAW, tab->id, req, sizeof(*req));
848 1c690d0a 2021-08-03 op
849 1c690d0a 2021-08-03 op /*
850 1c690d0a 2021-08-03 op * So the various load_*_url can `return make_request` and
851 1c690d0a 2021-08-03 op * do_load_url is happy.
852 1c690d0a 2021-08-03 op */
853 1c690d0a 2021-08-03 op return 1;
854 984245ce 2021-06-23 op }
855 984245ce 2021-06-23 op
856 c7586aab 2021-08-13 op static int
857 c7586aab 2021-08-13 op make_fs_request(struct tab *tab, int type, const char *r)
858 c7586aab 2021-08-13 op {
859 c7586aab 2021-08-13 op stop_tab(tab);
860 c7586aab 2021-08-13 op tab->id = tab_new_id();
861 c7586aab 2021-08-13 op
862 c7586aab 2021-08-13 op ui_send_fs(type, tab->id, r, strlen(r)+1);
863 c7586aab 2021-08-13 op
864 c7586aab 2021-08-13 op /*
865 c7586aab 2021-08-13 op * So load_{about,file}_url can `return make_fs_request` and
866 c7586aab 2021-08-13 op * do_load_url is happy.
867 c7586aab 2021-08-13 op */
868 c7586aab 2021-08-13 op return 1;
869 c7586aab 2021-08-13 op }
870 c7586aab 2021-08-13 op
871 9a28e7e5 2021-08-03 op void
872 9a28e7e5 2021-08-03 op gopher_send_search_req(struct tab *tab, const char *text)
873 9a28e7e5 2021-08-03 op {
874 9a28e7e5 2021-08-03 op struct get_req req;
875 1b0e6efc 2021-08-08 op
876 9a28e7e5 2021-08-03 op memset(&req, 0, sizeof(req));
877 9a28e7e5 2021-08-03 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
878 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
879 9a28e7e5 2021-08-03 op
880 9a28e7e5 2021-08-03 op /* +2 to skip /7 */
881 9a28e7e5 2021-08-03 op strlcpy(req.req, tab->uri.path+2, sizeof(req.req));
882 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
883 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
884 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
885 9a28e7e5 2021-08-03 op }
886 9a28e7e5 2021-08-03 op
887 9a28e7e5 2021-08-03 op strlcat(req.req, "\t", sizeof(req.req));
888 9a28e7e5 2021-08-03 op strlcat(req.req, text, sizeof(req.req));
889 9a28e7e5 2021-08-03 op strlcat(req.req, "\r\n", sizeof(req.req));
890 9a28e7e5 2021-08-03 op
891 9a28e7e5 2021-08-03 op erase_buffer(&tab->buffer);
892 9a28e7e5 2021-08-03 op parser_init(tab, gophermap_initparser);
893 9a28e7e5 2021-08-03 op
894 9a28e7e5 2021-08-03 op make_request(tab, &req, PROTO_GOPHER, NULL);
895 9a28e7e5 2021-08-03 op }
896 9a28e7e5 2021-08-03 op
897 adea4eec 2021-07-16 op /*
898 adea4eec 2021-07-16 op * Effectively load the given url in the given tab. Return 1 when
899 adea4eec 2021-07-16 op * loading the page asynchronously, and thus when an erase_buffer can
900 adea4eec 2021-07-16 op * be done right after this function return, or 0 when loading the
901 9eca3d7c 2021-11-02 op * page synchronously.
902 adea4eec 2021-07-16 op */
903 adea4eec 2021-07-16 op static int
904 ed21a9a1 2022-01-11 op do_load_url(struct tab *tab, const char *url, const char *base, int mode)
905 4d3785b1 2021-03-09 op {
906 31f1a758 2021-04-22 op struct phos_uri uri;
907 31f1a758 2021-04-22 op struct proto *p;
908 984245ce 2021-06-23 op struct proxy *proxy;
909 8f3c9af8 2022-01-11 op int nocache = mode & LU_MODE_NOCACHE;
910 31f1a758 2021-04-22 op char *t;
911 7943bb81 2021-07-10 op
912 7943bb81 2021-07-10 op tab->proxy = NULL;
913 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
914 10346511 2021-03-17 op
915 bd3a3a95 2021-07-20 op if (base == NULL)
916 bd3a3a95 2021-07-20 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
917 bd3a3a95 2021-07-20 op else
918 bd3a3a95 2021-07-20 op phos_parse_absolute_uri(base, &uri);
919 bd3a3a95 2021-07-20 op
920 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
921 902fc2c2 2021-07-25 op if (asprintf(&t, "#error loading %s\n>%s\n",
922 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
923 31f1a758 2021-04-22 op die();
924 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
925 31f1a758 2021-04-22 op load_page_from_str(tab, t);
926 31f1a758 2021-04-22 op free(t);
927 adea4eec 2021-07-16 op return 0;
928 31f1a758 2021-04-22 op }
929 31f1a758 2021-04-22 op
930 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
931 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
932 31f1a758 2021-04-22 op
933 8f3c9af8 2022-01-11 op if (!nocache && mcache_lookup(tab->hist_cur->h, tab)) {
934 8f3c9af8 2022-01-11 op ui_on_tab_refresh(tab);
935 8f3c9af8 2022-01-11 op ui_on_tab_loaded(tab);
936 d5af38cc 2022-01-10 op return 0;
937 8f3c9af8 2022-01-11 op }
938 d5af38cc 2022-01-10 op
939 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
940 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
941 ba782cb8 2021-07-25 op /* patch the port */
942 ba782cb8 2021-07-25 op if (*tab->uri.port == '\0' && p->port != NULL)
943 ba782cb8 2021-07-25 op strlcpy(tab->uri.port, p->port,
944 ba782cb8 2021-07-25 op sizeof(tab->uri.port));
945 ba782cb8 2021-07-25 op
946 1c690d0a 2021-08-03 op return p->loadfn(tab, url);
947 4d3785b1 2021-03-09 op }
948 4d3785b1 2021-03-09 op }
949 4d3785b1 2021-03-09 op
950 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
951 1c690d0a 2021-08-03 op if (!strcmp(tab->uri.scheme, proxy->match_proto))
952 1c690d0a 2021-08-03 op return load_via_proxy(tab, url, proxy);
953 984245ce 2021-06-23 op }
954 984245ce 2021-06-23 op
955 b38cd1f7 2021-08-03 op return load_page_from_str(tab, err_pages[UNKNOWN_PROTOCOL]);
956 4d3785b1 2021-03-09 op }
957 4d3785b1 2021-03-09 op
958 2ddbda6b 2021-07-17 op /*
959 ea639250 2021-01-02 op * Load url in tab and handle history. If a tab is marked as lazy, only
960 ea639250 2021-01-02 op * prepare the url but don't load it.
961 2ddbda6b 2021-07-17 op */
962 9ad4627d 2021-03-10 op void
963 ed21a9a1 2022-01-11 op load_url(struct tab *tab, const char *url, const char *base, int mode)
964 2051e653 2021-03-13 op {
965 ea639250 2021-01-02 op int lazy = tab->flags & TAB_LAZY;
966 ed21a9a1 2022-01-11 op int nohist = mode & LU_MODE_NOHIST;
967 bc55cdb9 2021-08-12 op
968 bc55cdb9 2021-08-12 op if (!nohist && (!lazy || tab->hist_cur == NULL)) {
969 2ddbda6b 2021-07-17 op if (tab->hist_cur != NULL)
970 2ddbda6b 2021-07-17 op hist_clear_forward(&tab->hist,
971 2ddbda6b 2021-07-17 op TAILQ_NEXT(tab->hist_cur, entries));
972 2ddbda6b 2021-07-17 op
973 69f32f56 2021-08-16 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur)))
974 69f32f56 2021-08-16 op == NULL) {
975 2ddbda6b 2021-07-17 op event_loopbreak();
976 2ddbda6b 2021-07-17 op return;
977 2ddbda6b 2021-07-17 op }
978 2ddbda6b 2021-07-17 op
979 2ddbda6b 2021-07-17 op strlcpy(tab->buffer.page.title, url,
980 2ddbda6b 2021-07-17 op sizeof(tab->buffer.page.title));
981 2ddbda6b 2021-07-17 op hist_push(&tab->hist, tab->hist_cur);
982 2ddbda6b 2021-07-17 op
983 2ddbda6b 2021-07-17 op if (lazy)
984 2ddbda6b 2021-07-17 op strlcpy(tab->hist_cur->h, url,
985 2ddbda6b 2021-07-17 op sizeof(tab->hist_cur->h));
986 2ddbda6b 2021-07-17 op }
987 2ddbda6b 2021-07-17 op
988 9eca3d7c 2021-11-02 op if (!lazy)
989 ed21a9a1 2022-01-11 op do_load_url(tab, url, base, mode);
990 2051e653 2021-03-13 op }
991 2051e653 2021-03-13 op
992 a37d1a1c 2021-08-14 op void
993 ed21a9a1 2022-01-11 op load_url_in_tab(struct tab *tab, const char *url, const char *base, int mode)
994 a37d1a1c 2021-08-14 op {
995 0259f38d 2022-01-11 op if (operating) {
996 0259f38d 2022-01-11 op autosave_hook();
997 0259f38d 2022-01-11 op message("Loading %s...", url);
998 a37d1a1c 2021-08-14 op }
999 a37d1a1c 2021-08-14 op
1000 ed21a9a1 2022-01-11 op load_url(tab, url, base, mode);
1001 a37d1a1c 2021-08-14 op }
1002 a37d1a1c 2021-08-14 op
1003 2051e653 2021-03-13 op int
1004 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
1005 2051e653 2021-03-13 op {
1006 2051e653 2021-03-13 op struct hist *h;
1007 2051e653 2021-03-13 op
1008 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
1009 2051e653 2021-03-13 op return 0;
1010 2051e653 2021-03-13 op tab->hist_cur = h;
1011 ed21a9a1 2022-01-11 op do_load_url(tab, h->h, NULL, LU_MODE_NONE);
1012 2051e653 2021-03-13 op return 1;
1013 2051e653 2021-03-13 op }
1014 2051e653 2021-03-13 op
1015 2051e653 2021-03-13 op int
1016 2051e653 2021-03-13 op load_next_page(struct tab *tab)
1017 2051e653 2021-03-13 op {
1018 2051e653 2021-03-13 op struct hist *h;
1019 2051e653 2021-03-13 op
1020 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
1021 2051e653 2021-03-13 op return 0;
1022 2051e653 2021-03-13 op tab->hist_cur = h;
1023 ed21a9a1 2022-01-11 op do_load_url(tab, h->h, NULL, LU_MODE_NONE);
1024 2051e653 2021-03-13 op return 1;
1025 a37d1a1c 2021-08-14 op }
1026 a37d1a1c 2021-08-14 op
1027 2051e653 2021-03-13 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 c6efff96 2021-08-16 op
1034 c6efff96 2021-08-16 op /*
1035 f6d7d047 2021-12-30 op * Given a user-entered URL, apply some heuristics to use it:
1036 c6efff96 2021-08-16 op *
1037 f6d7d047 2021-12-30 op * - if it's a proper url use it
1038 f6d7d047 2021-12-30 op * - if it starts with a `./' or a `/' assume its a file:// url
1039 f6d7d047 2021-12-30 op * - assume it's a gemini:// url
1040 c6efff96 2021-08-16 op *
1041 f6d7d047 2021-12-30 op * `ret' (of which len is the size) will be filled with the resulting
1042 f6d7d047 2021-12-30 op * url.
1043 c6efff96 2021-08-16 op */
1044 c6efff96 2021-08-16 op void
1045 c6efff96 2021-08-16 op humanify_url(const char *raw, char *ret, size_t len)
1046 c6efff96 2021-08-16 op {
1047 c6efff96 2021-08-16 op struct phos_uri uri;
1048 c6efff96 2021-08-16 op char buf[PATH_MAX];
1049 c7107cec 2021-04-01 op
1050 c6efff96 2021-08-16 op if (phos_parse_absolute_uri(raw, &uri)) {
1051 c6efff96 2021-08-16 op strlcpy(ret, raw, len);
1052 c6efff96 2021-08-16 op return;
1053 c6efff96 2021-08-16 op }
1054 c6efff96 2021-08-16 op
1055 c6efff96 2021-08-16 op if (has_prefix(raw, "./")) {
1056 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
1057 c6efff96 2021-08-16 op getcwd(buf, sizeof(buf));
1058 c6efff96 2021-08-16 op strlcat(ret, buf, len);
1059 c6efff96 2021-08-16 op strlcat(ret, "/", len);
1060 c6efff96 2021-08-16 op strlcat(ret, raw+2, len);
1061 c6efff96 2021-08-16 op return;
1062 c6efff96 2021-08-16 op }
1063 c6efff96 2021-08-16 op
1064 c6efff96 2021-08-16 op if (*raw == '/') {
1065 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
1066 c6efff96 2021-08-16 op strlcat(ret, raw, len);
1067 c6efff96 2021-08-16 op return;
1068 c6efff96 2021-08-16 op }
1069 c6efff96 2021-08-16 op
1070 c6efff96 2021-08-16 op strlcpy(ret, "gemini://", len);
1071 c6efff96 2021-08-16 op strlcat(ret, raw, len);
1072 c6efff96 2021-08-16 op }
1073 c6efff96 2021-08-16 op
1074 6cc5fcfe 2021-07-08 op static pid_t
1075 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
1076 6cc5fcfe 2021-07-08 op {
1077 55ccd6d0 2021-09-15 op const char *argv[5];
1078 6cc5fcfe 2021-07-08 op int argc = 0;
1079 6cc5fcfe 2021-07-08 op pid_t pid;
1080 6cc5fcfe 2021-07-08 op
1081 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
1082 6cc5fcfe 2021-07-08 op case -1:
1083 6cc5fcfe 2021-07-08 op die();
1084 6cc5fcfe 2021-07-08 op case 0:
1085 6cc5fcfe 2021-07-08 op break;
1086 6cc5fcfe 2021-07-08 op default:
1087 6cc5fcfe 2021-07-08 op close(fd);
1088 6cc5fcfe 2021-07-08 op return pid;
1089 6cc5fcfe 2021-07-08 op }
1090 6cc5fcfe 2021-07-08 op
1091 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
1092 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
1093 6cc5fcfe 2021-07-08 op
1094 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
1095 6cc5fcfe 2021-07-08 op switch (p) {
1096 6cc5fcfe 2021-07-08 op case PROC_UI:
1097 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
1098 6cc5fcfe 2021-07-08 op case PROC_FS:
1099 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
1100 6cc5fcfe 2021-07-08 op break;
1101 6cc5fcfe 2021-07-08 op case PROC_NET:
1102 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
1103 6cc5fcfe 2021-07-08 op break;
1104 6cc5fcfe 2021-07-08 op }
1105 6cc5fcfe 2021-07-08 op
1106 55ccd6d0 2021-09-15 op if (safe_mode)
1107 55ccd6d0 2021-09-15 op argv[argc++] = "-S";
1108 55ccd6d0 2021-09-15 op
1109 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
1110 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
1111 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
1112 6cc5fcfe 2021-07-08 op }
1113 6cc5fcfe 2021-07-08 op
1114 1fce2e75 2021-08-14 op int
1115 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
1116 bc10f6a5 2021-07-12 op uint16_t datalen)
1117 bc10f6a5 2021-07-12 op {
1118 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
1119 bc10f6a5 2021-07-12 op datalen);
1120 bc10f6a5 2021-07-12 op }
1121 bc10f6a5 2021-07-12 op
1122 1fce2e75 2021-08-14 op int
1123 bc10f6a5 2021-07-12 op ui_send_fs(int type, uint32_t peerid, const void *data, uint16_t datalen)
1124 bc10f6a5 2021-07-12 op {
1125 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_fs, type, peerid, 0, -1, data,
1126 bc10f6a5 2021-07-12 op datalen);
1127 bc10f6a5 2021-07-12 op }
1128 bc10f6a5 2021-07-12 op
1129 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
1130 6cc5fcfe 2021-07-08 op usage(int r)
1131 d2544989 2021-07-08 op {
1132 335cfaec 2021-09-15 op fprintf(stderr, "USAGE: %s [-ChnSv] [-c config] [url]\n",
1133 dc761924 2021-07-15 op getprogname());
1134 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
1135 6cc5fcfe 2021-07-08 op exit(r);
1136 740f578b 2021-03-15 op }
1137 740f578b 2021-03-15 op
1138 5e11c00c 2021-03-02 op int
1139 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
1140 5e11c00c 2021-03-02 op {
1141 bc10f6a5 2021-07-12 op struct imsgev net_ibuf, fs_ibuf;
1142 be97d6e6 2021-08-15 op pid_t pid;
1143 bc10f6a5 2021-07-12 op int pipe2net[2], pipe2fs[2];
1144 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
1145 6cc5fcfe 2021-07-08 op int proc = -1;
1146 5d7c642a 2021-09-15 op int sessionfd = -1;
1147 be97d6e6 2021-08-15 op int status;
1148 6cc5fcfe 2021-07-08 op const char *argv0;
1149 5e11c00c 2021-03-02 op
1150 6cc5fcfe 2021-07-08 op argv0 = argv[0];
1151 6cc5fcfe 2021-07-08 op
1152 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
1153 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
1154 5e11c00c 2021-03-02 op
1155 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
1156 d2544989 2021-07-08 op enable_colors = 0;
1157 d2544989 2021-07-08 op
1158 eb2ed626 2021-10-07 op fs_init();
1159 d2544989 2021-07-08 op
1160 dc761924 2021-07-15 op while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
1161 d2544989 2021-07-08 op switch (ch) {
1162 1853ee50 2021-07-15 op case 'C':
1163 1853ee50 2021-07-15 op exit(ui_print_colors());
1164 d2544989 2021-07-08 op case 'c':
1165 d2544989 2021-07-08 op fail = 1;
1166 eb2ed626 2021-10-07 op strlcpy(config_path, optarg, sizeof(config_path));
1167 d2544989 2021-07-08 op break;
1168 d2544989 2021-07-08 op case 'n':
1169 d2544989 2021-07-08 op configtest = 1;
1170 d2544989 2021-07-08 op break;
1171 d2544989 2021-07-08 op case 'h':
1172 6cc5fcfe 2021-07-08 op usage(0);
1173 d0971653 2021-09-15 op case 'S':
1174 d0971653 2021-09-15 op safe_mode = 1;
1175 d0971653 2021-09-15 op break;
1176 6cc5fcfe 2021-07-08 op case 'T':
1177 6cc5fcfe 2021-07-08 op switch (*optarg) {
1178 6cc5fcfe 2021-07-08 op case 'f':
1179 6cc5fcfe 2021-07-08 op proc = PROC_FS;
1180 6cc5fcfe 2021-07-08 op break;
1181 6cc5fcfe 2021-07-08 op case 'n':
1182 6cc5fcfe 2021-07-08 op proc = PROC_NET;
1183 6cc5fcfe 2021-07-08 op break;
1184 6cc5fcfe 2021-07-08 op default:
1185 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
1186 6cc5fcfe 2021-07-08 op *optarg);
1187 6cc5fcfe 2021-07-08 op }
1188 6cc5fcfe 2021-07-08 op break;
1189 dc761924 2021-07-15 op case 'v':
1190 dc761924 2021-07-15 op printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
1191 dc761924 2021-07-15 op exit(0);
1192 dc761924 2021-07-15 op break;
1193 d2544989 2021-07-08 op default:
1194 6cc5fcfe 2021-07-08 op usage(1);
1195 d2544989 2021-07-08 op }
1196 d2544989 2021-07-08 op }
1197 d2544989 2021-07-08 op
1198 d2544989 2021-07-08 op argc -= optind;
1199 d2544989 2021-07-08 op argv += optind;
1200 d2544989 2021-07-08 op
1201 6cc5fcfe 2021-07-08 op if (proc != -1) {
1202 6cc5fcfe 2021-07-08 op if (argc > 0)
1203 6cc5fcfe 2021-07-08 op usage(1);
1204 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
1205 6cc5fcfe 2021-07-08 op return fs_main();
1206 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
1207 f45bd2e3 2021-07-24 op return net_main();
1208 6cc5fcfe 2021-07-08 op else
1209 6cc5fcfe 2021-07-08 op usage(1);
1210 6cc5fcfe 2021-07-08 op }
1211 6cc5fcfe 2021-07-08 op
1212 d2544989 2021-07-08 op if (argc != 0) {
1213 d2544989 2021-07-08 op has_url = 1;
1214 c6efff96 2021-08-16 op humanify_url(argv[0], url, sizeof(url));
1215 d2544989 2021-07-08 op }
1216 d2544989 2021-07-08 op
1217 d5bdf203 2021-07-08 op /* setup keys before reading the config */
1218 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
1219 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
1220 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
1221 d5bdf203 2021-07-08 op
1222 d2544989 2021-07-08 op config_init();
1223 eb2ed626 2021-10-07 op parseconfig(config_path, fail);
1224 69f32f56 2021-08-16 op if (configtest) {
1225 d2544989 2021-07-08 op puts("config OK");
1226 d2544989 2021-07-08 op exit(0);
1227 d2544989 2021-07-08 op }
1228 d2544989 2021-07-08 op
1229 112b9046 2021-08-29 op if (download_path == NULL &&
1230 112b9046 2021-08-29 op (download_path = strdup("/tmp/")) == NULL)
1231 112b9046 2021-08-29 op errx(1, "strdup");
1232 112b9046 2021-08-29 op
1233 5d7c642a 2021-09-15 op if (!safe_mode && (sessionfd = lock_session()) == -1)
1234 d0fd368a 2021-07-15 op errx(1, "can't lock session, is another instance of "
1235 d0fd368a 2021-07-15 op "telescope already running?");
1236 d0fd368a 2021-07-15 op
1237 6cc5fcfe 2021-07-08 op /* Start children. */
1238 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2fs) == -1)
1239 5e11c00c 2021-03-02 op err(1, "socketpair");
1240 bc10f6a5 2021-07-12 op start_child(PROC_FS, argv0, pipe2fs[1]);
1241 bc10f6a5 2021-07-12 op imsg_init(&fs_ibuf.ibuf, pipe2fs[0]);
1242 bc10f6a5 2021-07-12 op iev_fs = &fs_ibuf;
1243 bc10f6a5 2021-07-12 op iev_fs->handler = handle_dispatch_imsg;
1244 5e11c00c 2021-03-02 op
1245 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
1246 35e1f40a 2021-03-14 op err(1, "socketpair");
1247 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
1248 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
1249 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
1250 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
1251 5e11c00c 2021-03-02 op
1252 37d429b0 2021-04-01 op setproctitle("ui");
1253 35e1f40a 2021-03-14 op
1254 eb722b50 2022-01-03 op /* initialize tofu store */
1255 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
1256 cbcc75fb 2021-03-17 op
1257 5e11c00c 2021-03-02 op event_init();
1258 5e11c00c 2021-03-02 op
1259 d5af38cc 2022-01-10 op /* initialize the in-memory cache store */
1260 d5af38cc 2022-01-10 op mcache_init();
1261 d5af38cc 2022-01-10 op
1262 ecfbb1d4 2021-08-14 op /* Setup event handler for the autosave */
1263 1fce2e75 2021-08-14 op autosave_init();
1264 ecfbb1d4 2021-08-14 op
1265 bc10f6a5 2021-07-12 op /* Setup event handlers for pipes to fs/net */
1266 bc10f6a5 2021-07-12 op iev_fs->events = EV_READ;
1267 bc10f6a5 2021-07-12 op event_set(&iev_fs->ev, iev_fs->ibuf.fd, iev_fs->events,
1268 bc10f6a5 2021-07-12 op iev_fs->handler, iev_fs);
1269 bc10f6a5 2021-07-12 op event_add(&iev_fs->ev, NULL);
1270 5e11c00c 2021-03-02 op
1271 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
1272 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
1273 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
1274 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
1275 d2544989 2021-07-08 op
1276 bb28f1c2 2021-12-30 op if (ui_init()) {
1277 941b3761 2021-03-18 op sandbox_ui_process();
1278 50f03682 2022-01-03 op ui_send_fs(IMSG_INIT, 0, NULL, 0);
1279 bb28f1c2 2021-12-30 op event_dispatch();
1280 941b3761 2021-03-18 op ui_end();
1281 941b3761 2021-03-18 op }
1282 5e11c00c 2021-03-02 op
1283 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_QUIT, 0, NULL, 0);
1284 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
1285 3e5fd7be 2021-07-13 op imsg_flush(&iev_fs->ibuf);
1286 a9925134 2021-07-15 op imsg_flush(&iev_net->ibuf);
1287 be97d6e6 2021-08-15 op
1288 be97d6e6 2021-08-15 op /* wait for children to terminate */
1289 be97d6e6 2021-08-15 op do {
1290 be97d6e6 2021-08-15 op pid = wait(&status);
1291 be97d6e6 2021-08-15 op if (pid == -1) {
1292 be97d6e6 2021-08-15 op if (errno != EINTR && errno != ECHILD)
1293 be97d6e6 2021-08-15 op err(1, "wait");
1294 be97d6e6 2021-08-15 op } else if (WIFSIGNALED(status))
1295 be97d6e6 2021-08-15 op warnx("child terminated; signal %d", WTERMSIG(status));
1296 be97d6e6 2021-08-15 op } while (pid != -1 || (pid == -1 && errno == EINTR));
1297 5e11c00c 2021-03-02 op
1298 5d7c642a 2021-09-15 op if (!safe_mode && close(sessionfd) == -1)
1299 5d7c642a 2021-09-15 op err(1, "close(sessionfd = %d)", sessionfd);
1300 d0fd368a 2021-07-15 op
1301 5e11c00c 2021-03-02 op return 0;
1302 5e11c00c 2021-03-02 op }