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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 ed504b9e 2022-02-07 op free(tab->last_input_url);
404 ed504b9e 2022-02-07 op tab->last_input_url = strdup(tab->hist_cur->h);
405 ed504b9e 2022-02-07 op if (tab->last_input_url == NULL)
406 ed504b9e 2022-02-07 op die();
407 ed504b9e 2022-02-07 op
408 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
409 693188cb 2022-02-07 op ui_require_input(tab, tab->code == 11, ir_select_gemini);
410 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
411 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
412 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
413 fcd99a0d 2021-11-05 op } else if (safe_mode) {
414 69f32f56 2021-08-16 op load_page_from_str(tab,
415 69f32f56 2021-08-16 op err_pages[UNKNOWN_TYPE_OR_CSET]);
416 fcd99a0d 2021-11-05 op } else {
417 fcd99a0d 2021-11-05 op struct hist *h;
418 fcd99a0d 2021-11-05 op
419 fcd99a0d 2021-11-05 op if ((h = hist_pop(&tab->hist)) != NULL)
420 fcd99a0d 2021-11-05 op tab->hist_cur = h;
421 fcd99a0d 2021-11-05 op snprintf(buf, sizeof(buf),
422 fcd99a0d 2021-11-05 op "Can't display \"%s\", save it?", tab->meta);
423 fcd99a0d 2021-11-05 op ui_yornp(buf, handle_maybe_save_page, tab);
424 c07ac996 2021-03-12 op }
425 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
426 3a9b9365 2021-03-09 op tab->redirect_count++;
427 0972d8b2 2021-03-02 op
428 3a9b9365 2021-03-09 op /* TODO: make customizable? */
429 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
430 3a9b9365 2021-03-09 op load_page_from_str(tab,
431 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
432 5cd2ebb1 2021-03-11 op } else
433 ed21a9a1 2022-01-11 op do_load_url(tab, tab->meta, NULL, LU_MODE_NOCACHE);
434 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
435 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
436 3a9b9365 2021-03-09 op }
437 de2a69bb 2021-05-17 op }
438 de2a69bb 2021-05-17 op
439 de2a69bb 2021-05-17 op static void
440 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
441 de2a69bb 2021-05-17 op {
442 bb9912eb 2021-08-29 op const char *f;
443 bb9912eb 2021-08-29 op char input[PATH_MAX];
444 bb9912eb 2021-08-29 op
445 fcd99a0d 2021-11-05 op /* XXX: this print a message that is confusing */
446 fcd99a0d 2021-11-05 op ui_on_tab_loaded(tab);
447 fcd99a0d 2021-11-05 op
448 bb9912eb 2021-08-29 op if (!dosave) {
449 a2fd3805 2021-07-06 op stop_tab(tab);
450 bb9912eb 2021-08-29 op return;
451 bb9912eb 2021-08-29 op }
452 bb9912eb 2021-08-29 op
453 bb9912eb 2021-08-29 op if ((f = strrchr(tab->uri.path, '/')) == NULL)
454 bb9912eb 2021-08-29 op f = "";
455 bb9912eb 2021-08-29 op else
456 bb9912eb 2021-08-29 op f++;
457 bb9912eb 2021-08-29 op
458 112b9046 2021-08-29 op strlcpy(input, download_path, sizeof(input));
459 bb9912eb 2021-08-29 op strlcat(input, f, sizeof(input));
460 bb9912eb 2021-08-29 op
461 bb9912eb 2021-08-29 op ui_read("Save to path", handle_save_page_path, tab, input);
462 de2a69bb 2021-05-17 op }
463 de2a69bb 2021-05-17 op
464 de2a69bb 2021-05-17 op static void
465 d1353324 2021-07-13 op handle_save_page_path(const char *path, struct tab *tab)
466 d1353324 2021-07-13 op {
467 de2a69bb 2021-05-17 op if (path == NULL) {
468 d1353324 2021-07-13 op stop_tab(tab);
469 de2a69bb 2021-05-17 op return;
470 de2a69bb 2021-05-17 op }
471 de2a69bb 2021-05-17 op
472 fcd99a0d 2021-11-05 op ui_show_downloads_pane();
473 de2a69bb 2021-05-17 op
474 fcd99a0d 2021-11-05 op enqueue_download(tab->id, path);
475 d1353324 2021-07-13 op ui_send_fs(IMSG_FILE_OPEN, tab->id, path, strlen(path)+1);
476 fcd99a0d 2021-11-05 op
477 fcd99a0d 2021-11-05 op /*
478 fcd99a0d 2021-11-05 op * Change this tab id, the old one is associated with the
479 fcd99a0d 2021-11-05 op * download now.
480 fcd99a0d 2021-11-05 op */
481 fcd99a0d 2021-11-05 op tab->id = tab_new_id();
482 5e11c00c 2021-03-02 op }
483 5e11c00c 2021-03-02 op
484 5e11c00c 2021-03-02 op static void
485 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
486 de2a69bb 2021-05-17 op {
487 fcd99a0d 2021-11-05 op struct download *d;
488 de2a69bb 2021-05-17 op const char *e;
489 de2a69bb 2021-05-17 op
490 fcd99a0d 2021-11-05 op /*
491 fcd99a0d 2021-11-05 op * There are no reason we shouldn't be able to find the
492 fcd99a0d 2021-11-05 op * required download.
493 fcd99a0d 2021-11-05 op */
494 fcd99a0d 2021-11-05 op if ((d = download_by_id(imsg->hdr.peerid)) == NULL)
495 fcd99a0d 2021-11-05 op die();
496 de2a69bb 2021-05-17 op
497 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
498 de2a69bb 2021-05-17 op e = imsg->data;
499 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
500 de2a69bb 2021-05-17 op die();
501 fcd99a0d 2021-11-05 op message("Can't open file %s: %s", d->path, e);
502 de2a69bb 2021-05-17 op } else {
503 fcd99a0d 2021-11-05 op d->fd = imsg->fd;
504 fcd99a0d 2021-11-05 op ui_send_net(IMSG_PROCEED, d->id, NULL, 0);
505 bb28f1c2 2021-12-30 op }
506 bb28f1c2 2021-12-30 op }
507 bb28f1c2 2021-12-30 op
508 bb28f1c2 2021-12-30 op static void
509 bb28f1c2 2021-12-30 op handle_imsg_session(struct imsg *imsg, size_t datalen)
510 bb28f1c2 2021-12-30 op {
511 bb28f1c2 2021-12-30 op static struct tab *curr;
512 1040cc7f 2021-01-02 op static struct tab *tab;
513 bb28f1c2 2021-12-30 op struct session_tab st;
514 1040cc7f 2021-01-02 op struct session_tab_hist sth;
515 1040cc7f 2021-01-02 op struct hist *h;
516 bb28f1c2 2021-12-30 op int first_time;
517 bb28f1c2 2021-12-30 op
518 bb28f1c2 2021-12-30 op /*
519 bb28f1c2 2021-12-30 op * The fs process tried to send tabs after it has announced
520 bb28f1c2 2021-12-30 op * that he's done. Something fishy is going on, better die.
521 bb28f1c2 2021-12-30 op */
522 bb28f1c2 2021-12-30 op if (operating)
523 bb28f1c2 2021-12-30 op die();
524 bb28f1c2 2021-12-30 op
525 92ce02e2 2021-01-02 op switch (imsg->hdr.type) {
526 92ce02e2 2021-01-02 op case IMSG_SESSION_TAB:
527 92ce02e2 2021-01-02 op if (datalen != sizeof(st))
528 92ce02e2 2021-01-02 op die();
529 92ce02e2 2021-01-02 op
530 92ce02e2 2021-01-02 op memcpy(&st, imsg->data, sizeof(st));
531 92ce02e2 2021-01-02 op if ((tab = new_tab(st.uri, NULL, NULL)) == NULL)
532 92ce02e2 2021-01-02 op die();
533 e795e935 2022-01-18 op tab->hist_cur->line_off = st.top_line;
534 e795e935 2022-01-18 op tab->hist_cur->current_off = st.current_line;
535 92ce02e2 2021-01-02 op strlcpy(tab->buffer.page.title, st.title,
536 92ce02e2 2021-01-02 op sizeof(tab->buffer.page.title));
537 92ce02e2 2021-01-02 op if (st.flags & TAB_CURRENT)
538 92ce02e2 2021-01-02 op curr = tab;
539 6c74799d 2022-01-05 op if (st.flags & TAB_KILLED)
540 05de8ac3 2022-01-06 op kill_tab(tab, 1);
541 92ce02e2 2021-01-02 op break;
542 92ce02e2 2021-01-02 op
543 1040cc7f 2021-01-02 op case IMSG_SESSION_TAB_HIST:
544 1040cc7f 2021-01-02 op if (tab == NULL || datalen != sizeof(sth))
545 1040cc7f 2021-01-02 op die();
546 1040cc7f 2021-01-02 op
547 1040cc7f 2021-01-02 op memcpy(&sth, imsg->data, sizeof(sth));
548 1040cc7f 2021-01-02 op if (sth.uri[sizeof(sth.uri)-1] != '\0')
549 1040cc7f 2021-01-02 op die();
550 1040cc7f 2021-01-02 op
551 1040cc7f 2021-01-02 op if ((h = calloc(1, sizeof(*h))) == NULL)
552 1040cc7f 2021-01-02 op die();
553 1040cc7f 2021-01-02 op strlcpy(h->h, sth.uri, sizeof(h->h));
554 1040cc7f 2021-01-02 op
555 1040cc7f 2021-01-02 op if (sth.future)
556 1040cc7f 2021-01-02 op hist_push(&tab->hist, h);
557 1040cc7f 2021-01-02 op else
558 1040cc7f 2021-01-02 op hist_add_before(&tab->hist, tab->hist_cur, h);
559 1040cc7f 2021-01-02 op break;
560 1040cc7f 2021-01-02 op
561 92ce02e2 2021-01-02 op case IMSG_SESSION_END:
562 bb28f1c2 2021-12-30 op if (datalen != sizeof(first_time))
563 bb28f1c2 2021-12-30 op die();
564 bb28f1c2 2021-12-30 op memcpy(&first_time, imsg->data, sizeof(first_time));
565 bb28f1c2 2021-12-30 op if (first_time) {
566 bb28f1c2 2021-12-30 op new_tab("about:new", NULL, NULL);
567 bb28f1c2 2021-12-30 op curr = new_tab("about:help", NULL, NULL);
568 bb28f1c2 2021-12-30 op }
569 bb28f1c2 2021-12-30 op
570 bb28f1c2 2021-12-30 op operating = 1;
571 bb28f1c2 2021-12-30 op if (curr != NULL)
572 bb28f1c2 2021-12-30 op switch_to_tab(curr);
573 bb28f1c2 2021-12-30 op if (has_url || TAILQ_EMPTY(&tabshead))
574 bb28f1c2 2021-12-30 op new_tab(url, NULL, NULL);
575 bb28f1c2 2021-12-30 op ui_main_loop();
576 92ce02e2 2021-01-02 op break;
577 bb28f1c2 2021-12-30 op
578 92ce02e2 2021-01-02 op default:
579 bb28f1c2 2021-12-30 op die();
580 92ce02e2 2021-01-02 op }
581 de2a69bb 2021-05-17 op }
582 de2a69bb 2021-05-17 op
583 de2a69bb 2021-05-17 op static void
584 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
585 5e11c00c 2021-03-02 op {
586 fcd99a0d 2021-11-05 op struct tab *tab = NULL;
587 fcd99a0d 2021-11-05 op struct download *d = NULL;
588 5e11c00c 2021-03-02 op
589 fcd99a0d 2021-11-05 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL &&
590 fcd99a0d 2021-11-05 op (d = download_by_id(imsg->hdr.peerid)) == NULL)
591 5d6c2088 2021-07-19 op return;
592 5e11c00c 2021-03-02 op
593 fcd99a0d 2021-11-05 op if (tab != NULL) {
594 8c1b0837 2021-07-25 op if (!parser_parse(tab, imsg->data, datalen))
595 de2a69bb 2021-05-17 op die();
596 fcd99a0d 2021-11-05 op ui_on_tab_refresh(tab);
597 de2a69bb 2021-05-17 op } else {
598 fcd99a0d 2021-11-05 op d->bytes += datalen;
599 fcd99a0d 2021-11-05 op write(d->fd, imsg->data, datalen);
600 fcd99a0d 2021-11-05 op ui_on_download_refresh();
601 de2a69bb 2021-05-17 op }
602 5e11c00c 2021-03-02 op }
603 5e11c00c 2021-03-02 op
604 5e11c00c 2021-03-02 op static void
605 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
606 5e11c00c 2021-03-02 op {
607 fcd99a0d 2021-11-05 op struct tab *tab = NULL;
608 fcd99a0d 2021-11-05 op struct download *d = NULL;
609 a5c3e03d 2021-03-02 op
610 fcd99a0d 2021-11-05 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL &&
611 fcd99a0d 2021-11-05 op (d = download_by_id(imsg->hdr.peerid)) == NULL)
612 f6243012 2021-07-19 op return;
613 de2a69bb 2021-05-17 op
614 fcd99a0d 2021-11-05 op if (tab != NULL) {
615 8c1b0837 2021-07-25 op if (!parser_free(tab))
616 de2a69bb 2021-05-17 op die();
617 dc8e7bf6 2022-01-11 op if (has_prefix(tab->hist_cur->h, "gemini://") ||
618 dc8e7bf6 2022-01-11 op has_prefix(tab->hist_cur->h, "gopher://"))
619 8f3c9af8 2022-01-11 op mcache_tab(tab);
620 fcd99a0d 2021-11-05 op ui_on_tab_refresh(tab);
621 fcd99a0d 2021-11-05 op ui_on_tab_loaded(tab);
622 de2a69bb 2021-05-17 op } else {
623 fcd99a0d 2021-11-05 op close(d->fd);
624 fcd99a0d 2021-11-05 op d->fd = -1;
625 fcd99a0d 2021-11-05 op ui_on_download_refresh();
626 de2a69bb 2021-05-17 op }
627 5e11c00c 2021-03-02 op }
628 5e11c00c 2021-03-02 op
629 5e11c00c 2021-03-02 op static void
630 eb722b50 2022-01-03 op handle_imsg_tofu(struct imsg *imsg, size_t datalen)
631 eb722b50 2022-01-03 op {
632 eb722b50 2022-01-03 op struct tofu_entry *e;
633 eb722b50 2022-01-03 op
634 eb722b50 2022-01-03 op if (operating)
635 eb722b50 2022-01-03 op die();
636 eb722b50 2022-01-03 op
637 eb722b50 2022-01-03 op if ((e = calloc(1, sizeof(*e))) == NULL)
638 eb722b50 2022-01-03 op die();
639 eb722b50 2022-01-03 op
640 eb722b50 2022-01-03 op if (datalen != sizeof(*e))
641 eb722b50 2022-01-03 op die();
642 eb722b50 2022-01-03 op memcpy(e, imsg->data, sizeof(*e));
643 eb722b50 2022-01-03 op if (e->domain[sizeof(e->domain)-1] != '\0' ||
644 eb722b50 2022-01-03 op e->hash[sizeof(e->hash)-1] != '\0')
645 eb722b50 2022-01-03 op die();
646 eb722b50 2022-01-03 op tofu_add(&certs, e);
647 eb722b50 2022-01-03 op }
648 eb722b50 2022-01-03 op
649 eb722b50 2022-01-03 op static void
650 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
651 740f578b 2021-03-15 op {
652 740f578b 2021-03-15 op int res;
653 740f578b 2021-03-15 op
654 740f578b 2021-03-15 op if (datalen != sizeof(res))
655 740f578b 2021-03-15 op die();
656 740f578b 2021-03-15 op
657 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
658 740f578b 2021-03-15 op if (res == 0)
659 7f963c41 2021-06-20 op message("Added to bookmarks!");
660 740f578b 2021-03-15 op else
661 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
662 740f578b 2021-03-15 op strerror(res));
663 740f578b 2021-03-15 op }
664 740f578b 2021-03-15 op
665 740f578b 2021-03-15 op static void
666 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
667 3a227e9a 2021-03-18 op {
668 3a227e9a 2021-03-18 op int res;
669 3a227e9a 2021-03-18 op
670 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
671 3a227e9a 2021-03-18 op die();
672 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
673 3a227e9a 2021-03-18 op if (res != 0)
674 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
675 3a227e9a 2021-03-18 op strerror(res));
676 288fd238 2021-04-25 op }
677 288fd238 2021-04-25 op
678 288fd238 2021-04-25 op static void
679 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
680 288fd238 2021-04-25 op {
681 288fd238 2021-04-25 op int res;
682 288fd238 2021-04-25 op
683 288fd238 2021-04-25 op if (datalen != sizeof(res))
684 288fd238 2021-04-25 op die();
685 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
686 288fd238 2021-04-25 op if (!res)
687 7f963c41 2021-06-20 op message("Failed to update the certificate");
688 3a227e9a 2021-03-18 op }
689 3a227e9a 2021-03-18 op
690 3a227e9a 2021-03-18 op static void
691 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
692 5e11c00c 2021-03-02 op {
693 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
694 ea080950 2021-07-20 op
695 ea080950 2021-07-20 op if (dispatch_imsg(iev, ev, handlers, sizeof(handlers)) == -1)
696 ea080950 2021-07-20 op err(1, "connection closed");
697 0972d8b2 2021-03-02 op }
698 0972d8b2 2021-03-02 op
699 1c690d0a 2021-08-03 op static int
700 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
701 0972d8b2 2021-03-02 op {
702 7b2aac84 2021-08-13 op tab->trust = TS_UNKNOWN;
703 8c1b0837 2021-07-25 op parser_init(tab, gemtext_initparser);
704 c7586aab 2021-08-13 op return make_fs_request(tab, IMSG_GET, url);
705 4d3785b1 2021-03-09 op }
706 0972d8b2 2021-03-02 op
707 1c690d0a 2021-08-03 op static int
708 0b1053d2 2021-08-13 op load_file_url(struct tab *tab, const char *url)
709 0b1053d2 2021-08-13 op {
710 0b1053d2 2021-08-13 op tab->trust = TS_UNKNOWN;
711 0b1053d2 2021-08-13 op return make_fs_request(tab, IMSG_GET_FILE, tab->uri.path);
712 0b1053d2 2021-08-13 op }
713 0b1053d2 2021-08-13 op
714 0b1053d2 2021-08-13 op static int
715 5fb52fc0 2021-07-25 op load_finger_url(struct tab *tab, const char *url)
716 5fb52fc0 2021-07-25 op {
717 5fb52fc0 2021-07-25 op struct get_req req;
718 5fb52fc0 2021-07-25 op size_t len;
719 5fb52fc0 2021-07-25 op char *at;
720 5fb52fc0 2021-07-25 op
721 5fb52fc0 2021-07-25 op memset(&req, 0, sizeof(req));
722 ba782cb8 2021-07-25 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
723 5fb52fc0 2021-07-25 op
724 5fb52fc0 2021-07-25 op /*
725 5fb52fc0 2021-07-25 op * Sometimes the finger url have the user as path component
726 5fb52fc0 2021-07-25 op * (e.g. finger://thelambdalab.xyz/plugd), sometimes as
727 5fb52fc0 2021-07-25 op * userinfo (e.g. finger://cobradile@finger.farm).
728 5fb52fc0 2021-07-25 op */
729 5fb52fc0 2021-07-25 op if ((at = strchr(tab->uri.host, '@')) != NULL) {
730 5fb52fc0 2021-07-25 op len = at - tab->uri.host;
731 5fb52fc0 2021-07-25 op memcpy(req.req, tab->uri.host, len);
732 5fb52fc0 2021-07-25 op
733 5fb52fc0 2021-07-25 op if (len >= sizeof(req.req))
734 5fb52fc0 2021-07-25 op die();
735 5fb52fc0 2021-07-25 op req.req[len] = '\0';
736 5fb52fc0 2021-07-25 op
737 5fb52fc0 2021-07-25 op strlcpy(req.host, at+1, sizeof(req.host));
738 5fb52fc0 2021-07-25 op } else {
739 5fb52fc0 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
740 5fb52fc0 2021-07-25 op
741 5fb52fc0 2021-07-25 op /* +1 to skip the initial `/' */
742 5fb52fc0 2021-07-25 op strlcpy(req.req, tab->uri.path+1, sizeof(req.req));
743 5fb52fc0 2021-07-25 op }
744 5fb52fc0 2021-07-25 op strlcat(req.req, "\r\n", sizeof(req.req));
745 5fb52fc0 2021-07-25 op
746 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
747 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_FINGER, NULL);
748 5fb52fc0 2021-07-25 op }
749 5fb52fc0 2021-07-25 op
750 1c690d0a 2021-08-03 op static int
751 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
752 4d3785b1 2021-03-09 op {
753 984245ce 2021-06-23 op struct get_req req;
754 2eef3403 2021-04-22 op
755 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
756 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
757 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
758 984245ce 2021-06-23 op
759 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_GEMINI, tab->hist_cur->h);
760 ca190c99 2021-08-14 op }
761 ca190c99 2021-08-14 op
762 ca190c99 2021-08-14 op static inline const char *
763 ca190c99 2021-08-14 op gopher_skip_selector(const char *path, int *ret_type)
764 ca190c99 2021-08-14 op {
765 ca190c99 2021-08-14 op *ret_type = 0;
766 ca190c99 2021-08-14 op
767 ca190c99 2021-08-14 op if (!strcmp(path, "/") || *path == '\0') {
768 ca190c99 2021-08-14 op *ret_type = '1';
769 ca190c99 2021-08-14 op return path;
770 ca190c99 2021-08-14 op }
771 ca190c99 2021-08-14 op
772 ca190c99 2021-08-14 op if (*path != '/')
773 ca190c99 2021-08-14 op return path;
774 ca190c99 2021-08-14 op path++;
775 ca190c99 2021-08-14 op
776 ca190c99 2021-08-14 op switch (*ret_type = *path) {
777 ca190c99 2021-08-14 op case '0':
778 ca190c99 2021-08-14 op case '1':
779 ca190c99 2021-08-14 op case '7':
780 ca190c99 2021-08-14 op break;
781 ca190c99 2021-08-14 op
782 ca190c99 2021-08-14 op default:
783 ca190c99 2021-08-14 op *ret_type = 0;
784 ca190c99 2021-08-14 op path -= 1;
785 ca190c99 2021-08-14 op return path;
786 ca190c99 2021-08-14 op }
787 ca190c99 2021-08-14 op
788 95bb01e2 2021-08-28 op return ++path;
789 1663bf1e 2021-07-25 op }
790 1663bf1e 2021-07-25 op
791 1c690d0a 2021-08-03 op static int
792 1663bf1e 2021-07-25 op load_gopher_url(struct tab *tab, const char *url)
793 1663bf1e 2021-07-25 op {
794 81839fee 2021-07-25 op struct get_req req;
795 ca190c99 2021-08-14 op int type;
796 81839fee 2021-07-25 op const char *path;
797 1663bf1e 2021-07-25 op
798 1663bf1e 2021-07-25 op memset(&req, 0, sizeof(req));
799 1663bf1e 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
800 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
801 1663bf1e 2021-07-25 op
802 ca190c99 2021-08-14 op path = gopher_skip_selector(tab->uri.path, &type);
803 ca190c99 2021-08-14 op switch (type) {
804 ca190c99 2021-08-14 op case '0':
805 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
806 ca190c99 2021-08-14 op break;
807 ca190c99 2021-08-14 op case '1':
808 ca190c99 2021-08-14 op parser_init(tab, gophermap_initparser);
809 ca190c99 2021-08-14 op break;
810 ca190c99 2021-08-14 op case '7':
811 acf9defe 2022-02-08 op free(tab->last_input_url);
812 acf9defe 2022-02-08 op tab->last_input_url = strdup(url);
813 acf9defe 2022-02-08 op if (tab->last_input_url == NULL)
814 acf9defe 2022-02-08 op die();
815 693188cb 2022-02-07 op ui_require_input(tab, 0, ir_select_gopher);
816 9a28e7e5 2021-08-03 op return load_page_from_str(tab, err_pages[10]);
817 ca190c99 2021-08-14 op default:
818 ca190c99 2021-08-14 op return load_page_from_str(tab, "Unknown gopher selector");
819 81839fee 2021-07-25 op }
820 81839fee 2021-07-25 op
821 9a28e7e5 2021-08-03 op strlcpy(req.req, path, sizeof(req.req));
822 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
823 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
824 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
825 9a28e7e5 2021-08-03 op }
826 767da05c 2021-08-13 op strlcat(req.req, "\r\n", sizeof(req.req));
827 9a28e7e5 2021-08-03 op
828 767da05c 2021-08-13 op return make_request(tab, &req, PROTO_GOPHER, NULL);
829 0972d8b2 2021-03-02 op }
830 0972d8b2 2021-03-02 op
831 1c690d0a 2021-08-03 op static int
832 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
833 984245ce 2021-06-23 op {
834 984245ce 2021-06-23 op struct get_req req;
835 984245ce 2021-06-23 op
836 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
837 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
838 f94c7ac1 2021-11-24 op strlcpy(req.port, p->port, sizeof(req.port));
839 984245ce 2021-06-23 op
840 cf1195ce 2021-07-25 op tab->proxy = p;
841 984245ce 2021-06-23 op
842 1c690d0a 2021-08-03 op return make_request(tab, &req, p->proto, tab->hist_cur->h);
843 cf1195ce 2021-07-25 op }
844 984245ce 2021-06-23 op
845 1c690d0a 2021-08-03 op static int
846 cf1195ce 2021-07-25 op make_request(struct tab *tab, struct get_req *req, int proto, const char *r)
847 cf1195ce 2021-07-25 op {
848 cf1195ce 2021-07-25 op stop_tab(tab);
849 cf1195ce 2021-07-25 op tab->id = tab_new_id();
850 cf1195ce 2021-07-25 op req->proto = proto;
851 cf1195ce 2021-07-25 op
852 cf1195ce 2021-07-25 op if (r != NULL) {
853 cf1195ce 2021-07-25 op strlcpy(req->req, r, sizeof(req->req));
854 cf1195ce 2021-07-25 op strlcat(req->req, "\r\n", sizeof(req->req));
855 cf1195ce 2021-07-25 op }
856 cf1195ce 2021-07-25 op
857 5df02e0d 2022-01-11 op start_loading_anim(tab);
858 cf1195ce 2021-07-25 op ui_send_net(IMSG_GET_RAW, tab->id, req, sizeof(*req));
859 1c690d0a 2021-08-03 op
860 1c690d0a 2021-08-03 op /*
861 1c690d0a 2021-08-03 op * So the various load_*_url can `return make_request` and
862 1c690d0a 2021-08-03 op * do_load_url is happy.
863 1c690d0a 2021-08-03 op */
864 1c690d0a 2021-08-03 op return 1;
865 984245ce 2021-06-23 op }
866 984245ce 2021-06-23 op
867 c7586aab 2021-08-13 op static int
868 c7586aab 2021-08-13 op make_fs_request(struct tab *tab, int type, const char *r)
869 c7586aab 2021-08-13 op {
870 c7586aab 2021-08-13 op stop_tab(tab);
871 c7586aab 2021-08-13 op tab->id = tab_new_id();
872 c7586aab 2021-08-13 op
873 c7586aab 2021-08-13 op ui_send_fs(type, tab->id, r, strlen(r)+1);
874 c7586aab 2021-08-13 op
875 c7586aab 2021-08-13 op /*
876 c7586aab 2021-08-13 op * So load_{about,file}_url can `return make_fs_request` and
877 c7586aab 2021-08-13 op * do_load_url is happy.
878 c7586aab 2021-08-13 op */
879 c7586aab 2021-08-13 op return 1;
880 c7586aab 2021-08-13 op }
881 c7586aab 2021-08-13 op
882 9a28e7e5 2021-08-03 op void
883 9a28e7e5 2021-08-03 op gopher_send_search_req(struct tab *tab, const char *text)
884 9a28e7e5 2021-08-03 op {
885 9a28e7e5 2021-08-03 op struct get_req req;
886 1b0e6efc 2021-08-08 op
887 9a28e7e5 2021-08-03 op memset(&req, 0, sizeof(req));
888 9a28e7e5 2021-08-03 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
889 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
890 9a28e7e5 2021-08-03 op
891 9a28e7e5 2021-08-03 op /* +2 to skip /7 */
892 9a28e7e5 2021-08-03 op strlcpy(req.req, tab->uri.path+2, sizeof(req.req));
893 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
894 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
895 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
896 9a28e7e5 2021-08-03 op }
897 9a28e7e5 2021-08-03 op
898 9a28e7e5 2021-08-03 op strlcat(req.req, "\t", sizeof(req.req));
899 9a28e7e5 2021-08-03 op strlcat(req.req, text, sizeof(req.req));
900 9a28e7e5 2021-08-03 op strlcat(req.req, "\r\n", sizeof(req.req));
901 9a28e7e5 2021-08-03 op
902 9a28e7e5 2021-08-03 op erase_buffer(&tab->buffer);
903 9a28e7e5 2021-08-03 op parser_init(tab, gophermap_initparser);
904 9a28e7e5 2021-08-03 op
905 9a28e7e5 2021-08-03 op make_request(tab, &req, PROTO_GOPHER, NULL);
906 9a28e7e5 2021-08-03 op }
907 9a28e7e5 2021-08-03 op
908 1bcb8303 2022-01-19 op int
909 1bcb8303 2022-01-19 op load_page_from_str(struct tab *tab, const char *page)
910 1bcb8303 2022-01-19 op {
911 1bcb8303 2022-01-19 op parser_init(tab, gemtext_initparser);
912 1bcb8303 2022-01-19 op if (!tab->buffer.page.parse(&tab->buffer.page, page, strlen(page)))
913 1bcb8303 2022-01-19 op abort();
914 1bcb8303 2022-01-19 op if (!tab->buffer.page.free(&tab->buffer.page))
915 1bcb8303 2022-01-19 op abort();
916 1bcb8303 2022-01-19 op ui_on_tab_refresh(tab);
917 1bcb8303 2022-01-19 op ui_on_tab_loaded(tab);
918 1bcb8303 2022-01-19 op return 0;
919 1bcb8303 2022-01-19 op }
920 1bcb8303 2022-01-19 op
921 adea4eec 2021-07-16 op /*
922 adea4eec 2021-07-16 op * Effectively load the given url in the given tab. Return 1 when
923 adea4eec 2021-07-16 op * loading the page asynchronously, and thus when an erase_buffer can
924 adea4eec 2021-07-16 op * be done right after this function return, or 0 when loading the
925 9eca3d7c 2021-11-02 op * page synchronously.
926 adea4eec 2021-07-16 op */
927 adea4eec 2021-07-16 op static int
928 ed21a9a1 2022-01-11 op do_load_url(struct tab *tab, const char *url, const char *base, int mode)
929 4d3785b1 2021-03-09 op {
930 31f1a758 2021-04-22 op struct phos_uri uri;
931 31f1a758 2021-04-22 op struct proto *p;
932 984245ce 2021-06-23 op struct proxy *proxy;
933 8f3c9af8 2022-01-11 op int nocache = mode & LU_MODE_NOCACHE;
934 31f1a758 2021-04-22 op char *t;
935 7943bb81 2021-07-10 op
936 7943bb81 2021-07-10 op tab->proxy = NULL;
937 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
938 10346511 2021-03-17 op
939 bd3a3a95 2021-07-20 op if (base == NULL)
940 bd3a3a95 2021-07-20 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
941 bd3a3a95 2021-07-20 op else
942 bd3a3a95 2021-07-20 op phos_parse_absolute_uri(base, &uri);
943 bd3a3a95 2021-07-20 op
944 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
945 902fc2c2 2021-07-25 op if (asprintf(&t, "#error loading %s\n>%s\n",
946 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
947 31f1a758 2021-04-22 op die();
948 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
949 31f1a758 2021-04-22 op load_page_from_str(tab, t);
950 31f1a758 2021-04-22 op free(t);
951 adea4eec 2021-07-16 op return 0;
952 31f1a758 2021-04-22 op }
953 31f1a758 2021-04-22 op
954 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
955 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
956 31f1a758 2021-04-22 op
957 8f3c9af8 2022-01-11 op if (!nocache && mcache_lookup(tab->hist_cur->h, tab)) {
958 8f3c9af8 2022-01-11 op ui_on_tab_refresh(tab);
959 8f3c9af8 2022-01-11 op ui_on_tab_loaded(tab);
960 d5af38cc 2022-01-10 op return 0;
961 8f3c9af8 2022-01-11 op }
962 d5af38cc 2022-01-10 op
963 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
964 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
965 ba782cb8 2021-07-25 op /* patch the port */
966 ba782cb8 2021-07-25 op if (*tab->uri.port == '\0' && p->port != NULL)
967 ba782cb8 2021-07-25 op strlcpy(tab->uri.port, p->port,
968 ba782cb8 2021-07-25 op sizeof(tab->uri.port));
969 ba782cb8 2021-07-25 op
970 52a99c56 2022-01-15 op return p->loadfn(tab, tab->hist_cur->h);
971 4d3785b1 2021-03-09 op }
972 4d3785b1 2021-03-09 op }
973 4d3785b1 2021-03-09 op
974 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
975 1c690d0a 2021-08-03 op if (!strcmp(tab->uri.scheme, proxy->match_proto))
976 1c690d0a 2021-08-03 op return load_via_proxy(tab, url, proxy);
977 984245ce 2021-06-23 op }
978 984245ce 2021-06-23 op
979 b38cd1f7 2021-08-03 op return load_page_from_str(tab, err_pages[UNKNOWN_PROTOCOL]);
980 4d3785b1 2021-03-09 op }
981 4d3785b1 2021-03-09 op
982 2ddbda6b 2021-07-17 op /*
983 ea639250 2021-01-02 op * Load url in tab and handle history. If a tab is marked as lazy, only
984 ea639250 2021-01-02 op * prepare the url but don't load it.
985 2ddbda6b 2021-07-17 op */
986 9ad4627d 2021-03-10 op void
987 ed21a9a1 2022-01-11 op load_url(struct tab *tab, const char *url, const char *base, int mode)
988 2051e653 2021-03-13 op {
989 ea639250 2021-01-02 op int lazy = tab->flags & TAB_LAZY;
990 ed21a9a1 2022-01-11 op int nohist = mode & LU_MODE_NOHIST;
991 bc55cdb9 2021-08-12 op
992 fb8dcd1c 2022-01-18 op if (operating && lazy) {
993 fb8dcd1c 2022-01-18 op tab->flags ^= TAB_LAZY;
994 fb8dcd1c 2022-01-18 op lazy = 0;
995 bf5b33f4 2022-01-18 op } else if (tab->hist_cur != NULL)
996 bf5b33f4 2022-01-18 op get_scroll_position(tab, &tab->hist_cur->line_off,
997 bf5b33f4 2022-01-18 op &tab->hist_cur->current_off);
998 fb8dcd1c 2022-01-18 op
999 bc55cdb9 2021-08-12 op if (!nohist && (!lazy || tab->hist_cur == NULL)) {
1000 bf5b33f4 2022-01-18 op if (tab->hist_cur != NULL)
1001 2ddbda6b 2021-07-17 op hist_clear_forward(&tab->hist,
1002 2ddbda6b 2021-07-17 op TAILQ_NEXT(tab->hist_cur, entries));
1003 2ddbda6b 2021-07-17 op
1004 69f32f56 2021-08-16 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur)))
1005 69f32f56 2021-08-16 op == NULL) {
1006 2ddbda6b 2021-07-17 op event_loopbreak();
1007 2ddbda6b 2021-07-17 op return;
1008 2ddbda6b 2021-07-17 op }
1009 2ddbda6b 2021-07-17 op
1010 2ddbda6b 2021-07-17 op strlcpy(tab->buffer.page.title, url,
1011 2ddbda6b 2021-07-17 op sizeof(tab->buffer.page.title));
1012 2ddbda6b 2021-07-17 op hist_push(&tab->hist, tab->hist_cur);
1013 2ddbda6b 2021-07-17 op
1014 2ddbda6b 2021-07-17 op if (lazy)
1015 2ddbda6b 2021-07-17 op strlcpy(tab->hist_cur->h, url,
1016 2ddbda6b 2021-07-17 op sizeof(tab->hist_cur->h));
1017 2ddbda6b 2021-07-17 op }
1018 2ddbda6b 2021-07-17 op
1019 9eca3d7c 2021-11-02 op if (!lazy)
1020 ed21a9a1 2022-01-11 op do_load_url(tab, url, base, mode);
1021 2051e653 2021-03-13 op }
1022 2051e653 2021-03-13 op
1023 a37d1a1c 2021-08-14 op void
1024 ed21a9a1 2022-01-11 op load_url_in_tab(struct tab *tab, const char *url, const char *base, int mode)
1025 a37d1a1c 2021-08-14 op {
1026 0259f38d 2022-01-11 op if (operating) {
1027 0259f38d 2022-01-11 op autosave_hook();
1028 0259f38d 2022-01-11 op message("Loading %s...", url);
1029 a37d1a1c 2021-08-14 op }
1030 a37d1a1c 2021-08-14 op
1031 ed21a9a1 2022-01-11 op load_url(tab, url, base, mode);
1032 a37d1a1c 2021-08-14 op }
1033 a37d1a1c 2021-08-14 op
1034 2051e653 2021-03-13 op int
1035 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
1036 2051e653 2021-03-13 op {
1037 2051e653 2021-03-13 op struct hist *h;
1038 2051e653 2021-03-13 op
1039 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
1040 2051e653 2021-03-13 op return 0;
1041 2051e653 2021-03-13 op tab->hist_cur = h;
1042 ed21a9a1 2022-01-11 op do_load_url(tab, h->h, NULL, LU_MODE_NONE);
1043 2051e653 2021-03-13 op return 1;
1044 2051e653 2021-03-13 op }
1045 2051e653 2021-03-13 op
1046 2051e653 2021-03-13 op int
1047 2051e653 2021-03-13 op load_next_page(struct tab *tab)
1048 2051e653 2021-03-13 op {
1049 2051e653 2021-03-13 op struct hist *h;
1050 2051e653 2021-03-13 op
1051 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
1052 2051e653 2021-03-13 op return 0;
1053 2051e653 2021-03-13 op tab->hist_cur = h;
1054 ed21a9a1 2022-01-11 op do_load_url(tab, h->h, NULL, LU_MODE_NONE);
1055 2051e653 2021-03-13 op return 1;
1056 a37d1a1c 2021-08-14 op }
1057 a37d1a1c 2021-08-14 op
1058 2051e653 2021-03-13 op void
1059 740f578b 2021-03-15 op add_to_bookmarks(const char *str)
1060 740f578b 2021-03-15 op {
1061 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_BOOKMARK_PAGE, 0,
1062 bc10f6a5 2021-07-12 op str, strlen(str)+1);
1063 c7107cec 2021-04-01 op }
1064 c6efff96 2021-08-16 op
1065 c6efff96 2021-08-16 op /*
1066 f6d7d047 2021-12-30 op * Given a user-entered URL, apply some heuristics to use it:
1067 c6efff96 2021-08-16 op *
1068 f6d7d047 2021-12-30 op * - if it's a proper url use it
1069 f6d7d047 2021-12-30 op * - if it starts with a `./' or a `/' assume its a file:// url
1070 f6d7d047 2021-12-30 op * - assume it's a gemini:// url
1071 c6efff96 2021-08-16 op *
1072 f6d7d047 2021-12-30 op * `ret' (of which len is the size) will be filled with the resulting
1073 f6d7d047 2021-12-30 op * url.
1074 c6efff96 2021-08-16 op */
1075 c6efff96 2021-08-16 op void
1076 c6efff96 2021-08-16 op humanify_url(const char *raw, char *ret, size_t len)
1077 c6efff96 2021-08-16 op {
1078 c6efff96 2021-08-16 op struct phos_uri uri;
1079 c6efff96 2021-08-16 op char buf[PATH_MAX];
1080 c7107cec 2021-04-01 op
1081 c6efff96 2021-08-16 op if (phos_parse_absolute_uri(raw, &uri)) {
1082 c6efff96 2021-08-16 op strlcpy(ret, raw, len);
1083 c6efff96 2021-08-16 op return;
1084 c6efff96 2021-08-16 op }
1085 c6efff96 2021-08-16 op
1086 c6efff96 2021-08-16 op if (has_prefix(raw, "./")) {
1087 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
1088 c6efff96 2021-08-16 op getcwd(buf, sizeof(buf));
1089 c6efff96 2021-08-16 op strlcat(ret, buf, len);
1090 c6efff96 2021-08-16 op strlcat(ret, "/", len);
1091 c6efff96 2021-08-16 op strlcat(ret, raw+2, len);
1092 c6efff96 2021-08-16 op return;
1093 c6efff96 2021-08-16 op }
1094 c6efff96 2021-08-16 op
1095 c6efff96 2021-08-16 op if (*raw == '/') {
1096 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
1097 c6efff96 2021-08-16 op strlcat(ret, raw, len);
1098 c6efff96 2021-08-16 op return;
1099 c6efff96 2021-08-16 op }
1100 c6efff96 2021-08-16 op
1101 c6efff96 2021-08-16 op strlcpy(ret, "gemini://", len);
1102 c6efff96 2021-08-16 op strlcat(ret, raw, len);
1103 c6efff96 2021-08-16 op }
1104 c6efff96 2021-08-16 op
1105 6cc5fcfe 2021-07-08 op static pid_t
1106 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
1107 6cc5fcfe 2021-07-08 op {
1108 55ccd6d0 2021-09-15 op const char *argv[5];
1109 6cc5fcfe 2021-07-08 op int argc = 0;
1110 6cc5fcfe 2021-07-08 op pid_t pid;
1111 6cc5fcfe 2021-07-08 op
1112 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
1113 6cc5fcfe 2021-07-08 op case -1:
1114 6cc5fcfe 2021-07-08 op die();
1115 6cc5fcfe 2021-07-08 op case 0:
1116 6cc5fcfe 2021-07-08 op break;
1117 6cc5fcfe 2021-07-08 op default:
1118 6cc5fcfe 2021-07-08 op close(fd);
1119 6cc5fcfe 2021-07-08 op return pid;
1120 6cc5fcfe 2021-07-08 op }
1121 6cc5fcfe 2021-07-08 op
1122 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
1123 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
1124 6cc5fcfe 2021-07-08 op
1125 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
1126 6cc5fcfe 2021-07-08 op switch (p) {
1127 6cc5fcfe 2021-07-08 op case PROC_UI:
1128 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
1129 6cc5fcfe 2021-07-08 op case PROC_FS:
1130 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
1131 6cc5fcfe 2021-07-08 op break;
1132 6cc5fcfe 2021-07-08 op case PROC_NET:
1133 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
1134 6cc5fcfe 2021-07-08 op break;
1135 6cc5fcfe 2021-07-08 op }
1136 6cc5fcfe 2021-07-08 op
1137 55ccd6d0 2021-09-15 op if (safe_mode)
1138 55ccd6d0 2021-09-15 op argv[argc++] = "-S";
1139 55ccd6d0 2021-09-15 op
1140 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
1141 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
1142 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
1143 6cc5fcfe 2021-07-08 op }
1144 6cc5fcfe 2021-07-08 op
1145 1fce2e75 2021-08-14 op int
1146 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
1147 bc10f6a5 2021-07-12 op uint16_t datalen)
1148 bc10f6a5 2021-07-12 op {
1149 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
1150 bc10f6a5 2021-07-12 op datalen);
1151 bc10f6a5 2021-07-12 op }
1152 bc10f6a5 2021-07-12 op
1153 1fce2e75 2021-08-14 op int
1154 bc10f6a5 2021-07-12 op ui_send_fs(int type, uint32_t peerid, const void *data, uint16_t datalen)
1155 bc10f6a5 2021-07-12 op {
1156 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_fs, type, peerid, 0, -1, data,
1157 bc10f6a5 2021-07-12 op datalen);
1158 bc10f6a5 2021-07-12 op }
1159 bc10f6a5 2021-07-12 op
1160 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
1161 6cc5fcfe 2021-07-08 op usage(int r)
1162 d2544989 2021-07-08 op {
1163 335cfaec 2021-09-15 op fprintf(stderr, "USAGE: %s [-ChnSv] [-c config] [url]\n",
1164 dc761924 2021-07-15 op getprogname());
1165 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
1166 6cc5fcfe 2021-07-08 op exit(r);
1167 740f578b 2021-03-15 op }
1168 740f578b 2021-03-15 op
1169 5e11c00c 2021-03-02 op int
1170 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
1171 5e11c00c 2021-03-02 op {
1172 bc10f6a5 2021-07-12 op struct imsgev net_ibuf, fs_ibuf;
1173 be97d6e6 2021-08-15 op pid_t pid;
1174 bc10f6a5 2021-07-12 op int pipe2net[2], pipe2fs[2];
1175 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
1176 6cc5fcfe 2021-07-08 op int proc = -1;
1177 5d7c642a 2021-09-15 op int sessionfd = -1;
1178 be97d6e6 2021-08-15 op int status;
1179 6cc5fcfe 2021-07-08 op const char *argv0;
1180 5e11c00c 2021-03-02 op
1181 6cc5fcfe 2021-07-08 op argv0 = argv[0];
1182 6cc5fcfe 2021-07-08 op
1183 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
1184 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
1185 5e11c00c 2021-03-02 op
1186 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
1187 d2544989 2021-07-08 op enable_colors = 0;
1188 d2544989 2021-07-08 op
1189 eb2ed626 2021-10-07 op fs_init();
1190 d2544989 2021-07-08 op
1191 dc761924 2021-07-15 op while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
1192 d2544989 2021-07-08 op switch (ch) {
1193 1853ee50 2021-07-15 op case 'C':
1194 1853ee50 2021-07-15 op exit(ui_print_colors());
1195 d2544989 2021-07-08 op case 'c':
1196 d2544989 2021-07-08 op fail = 1;
1197 eb2ed626 2021-10-07 op strlcpy(config_path, optarg, sizeof(config_path));
1198 d2544989 2021-07-08 op break;
1199 d2544989 2021-07-08 op case 'n':
1200 d2544989 2021-07-08 op configtest = 1;
1201 d2544989 2021-07-08 op break;
1202 d2544989 2021-07-08 op case 'h':
1203 6cc5fcfe 2021-07-08 op usage(0);
1204 d0971653 2021-09-15 op case 'S':
1205 d0971653 2021-09-15 op safe_mode = 1;
1206 d0971653 2021-09-15 op break;
1207 6cc5fcfe 2021-07-08 op case 'T':
1208 6cc5fcfe 2021-07-08 op switch (*optarg) {
1209 6cc5fcfe 2021-07-08 op case 'f':
1210 6cc5fcfe 2021-07-08 op proc = PROC_FS;
1211 6cc5fcfe 2021-07-08 op break;
1212 6cc5fcfe 2021-07-08 op case 'n':
1213 6cc5fcfe 2021-07-08 op proc = PROC_NET;
1214 6cc5fcfe 2021-07-08 op break;
1215 6cc5fcfe 2021-07-08 op default:
1216 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
1217 6cc5fcfe 2021-07-08 op *optarg);
1218 6cc5fcfe 2021-07-08 op }
1219 6cc5fcfe 2021-07-08 op break;
1220 dc761924 2021-07-15 op case 'v':
1221 dc761924 2021-07-15 op printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
1222 dc761924 2021-07-15 op exit(0);
1223 dc761924 2021-07-15 op break;
1224 d2544989 2021-07-08 op default:
1225 6cc5fcfe 2021-07-08 op usage(1);
1226 d2544989 2021-07-08 op }
1227 d2544989 2021-07-08 op }
1228 d2544989 2021-07-08 op
1229 d2544989 2021-07-08 op argc -= optind;
1230 d2544989 2021-07-08 op argv += optind;
1231 d2544989 2021-07-08 op
1232 6cc5fcfe 2021-07-08 op if (proc != -1) {
1233 6cc5fcfe 2021-07-08 op if (argc > 0)
1234 6cc5fcfe 2021-07-08 op usage(1);
1235 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
1236 6cc5fcfe 2021-07-08 op return fs_main();
1237 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
1238 f45bd2e3 2021-07-24 op return net_main();
1239 6cc5fcfe 2021-07-08 op else
1240 6cc5fcfe 2021-07-08 op usage(1);
1241 6cc5fcfe 2021-07-08 op }
1242 6cc5fcfe 2021-07-08 op
1243 d2544989 2021-07-08 op if (argc != 0) {
1244 d2544989 2021-07-08 op has_url = 1;
1245 c6efff96 2021-08-16 op humanify_url(argv[0], url, sizeof(url));
1246 d2544989 2021-07-08 op }
1247 d2544989 2021-07-08 op
1248 d5bdf203 2021-07-08 op /* setup keys before reading the config */
1249 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
1250 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
1251 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
1252 d5bdf203 2021-07-08 op
1253 d2544989 2021-07-08 op config_init();
1254 eb2ed626 2021-10-07 op parseconfig(config_path, fail);
1255 69f32f56 2021-08-16 op if (configtest) {
1256 d2544989 2021-07-08 op puts("config OK");
1257 d2544989 2021-07-08 op exit(0);
1258 d2544989 2021-07-08 op }
1259 d2544989 2021-07-08 op
1260 112b9046 2021-08-29 op if (download_path == NULL &&
1261 112b9046 2021-08-29 op (download_path = strdup("/tmp/")) == NULL)
1262 112b9046 2021-08-29 op errx(1, "strdup");
1263 112b9046 2021-08-29 op
1264 5d7c642a 2021-09-15 op if (!safe_mode && (sessionfd = lock_session()) == -1)
1265 d0fd368a 2021-07-15 op errx(1, "can't lock session, is another instance of "
1266 d0fd368a 2021-07-15 op "telescope already running?");
1267 d0fd368a 2021-07-15 op
1268 6cc5fcfe 2021-07-08 op /* Start children. */
1269 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2fs) == -1)
1270 5e11c00c 2021-03-02 op err(1, "socketpair");
1271 bc10f6a5 2021-07-12 op start_child(PROC_FS, argv0, pipe2fs[1]);
1272 bc10f6a5 2021-07-12 op imsg_init(&fs_ibuf.ibuf, pipe2fs[0]);
1273 bc10f6a5 2021-07-12 op iev_fs = &fs_ibuf;
1274 bc10f6a5 2021-07-12 op iev_fs->handler = handle_dispatch_imsg;
1275 5e11c00c 2021-03-02 op
1276 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
1277 35e1f40a 2021-03-14 op err(1, "socketpair");
1278 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
1279 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
1280 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
1281 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
1282 5e11c00c 2021-03-02 op
1283 37d429b0 2021-04-01 op setproctitle("ui");
1284 35e1f40a 2021-03-14 op
1285 eb722b50 2022-01-03 op /* initialize tofu store */
1286 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
1287 cbcc75fb 2021-03-17 op
1288 5e11c00c 2021-03-02 op event_init();
1289 5e11c00c 2021-03-02 op
1290 d5af38cc 2022-01-10 op /* initialize the in-memory cache store */
1291 d5af38cc 2022-01-10 op mcache_init();
1292 d5af38cc 2022-01-10 op
1293 ecfbb1d4 2021-08-14 op /* Setup event handler for the autosave */
1294 1fce2e75 2021-08-14 op autosave_init();
1295 ecfbb1d4 2021-08-14 op
1296 bc10f6a5 2021-07-12 op /* Setup event handlers for pipes to fs/net */
1297 bc10f6a5 2021-07-12 op iev_fs->events = EV_READ;
1298 bc10f6a5 2021-07-12 op event_set(&iev_fs->ev, iev_fs->ibuf.fd, iev_fs->events,
1299 bc10f6a5 2021-07-12 op iev_fs->handler, iev_fs);
1300 bc10f6a5 2021-07-12 op event_add(&iev_fs->ev, NULL);
1301 5e11c00c 2021-03-02 op
1302 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
1303 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
1304 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
1305 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
1306 d2544989 2021-07-08 op
1307 bb28f1c2 2021-12-30 op if (ui_init()) {
1308 941b3761 2021-03-18 op sandbox_ui_process();
1309 50f03682 2022-01-03 op ui_send_fs(IMSG_INIT, 0, NULL, 0);
1310 bb28f1c2 2021-12-30 op event_dispatch();
1311 941b3761 2021-03-18 op ui_end();
1312 941b3761 2021-03-18 op }
1313 5e11c00c 2021-03-02 op
1314 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_QUIT, 0, NULL, 0);
1315 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
1316 3e5fd7be 2021-07-13 op imsg_flush(&iev_fs->ibuf);
1317 a9925134 2021-07-15 op imsg_flush(&iev_net->ibuf);
1318 be97d6e6 2021-08-15 op
1319 be97d6e6 2021-08-15 op /* wait for children to terminate */
1320 be97d6e6 2021-08-15 op do {
1321 be97d6e6 2021-08-15 op pid = wait(&status);
1322 be97d6e6 2021-08-15 op if (pid == -1) {
1323 be97d6e6 2021-08-15 op if (errno != EINTR && errno != ECHILD)
1324 be97d6e6 2021-08-15 op err(1, "wait");
1325 be97d6e6 2021-08-15 op } else if (WIFSIGNALED(status))
1326 be97d6e6 2021-08-15 op warnx("child terminated; signal %d", WTERMSIG(status));
1327 be97d6e6 2021-08-15 op } while (pid != -1 || (pid == -1 && errno == EINTR));
1328 5e11c00c 2021-03-02 op
1329 5d7c642a 2021-09-15 op if (!safe_mode && close(sessionfd) == -1)
1330 5d7c642a 2021-09-15 op err(1, "close(sessionfd = %d)", sessionfd);
1331 d0fd368a 2021-07-15 op
1332 5e11c00c 2021-03-02 op return 0;
1333 5e11c00c 2021-03-02 op }