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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 dc761924 2021-07-15 op
39 dc761924 2021-07-15 op static struct option longopts[] = {
40 a599eaa6 2021-01-02 op {"colors", no_argument, NULL, 'C'},
41 a599eaa6 2021-01-02 op {"colours", no_argument, NULL, 'C'},
42 dc761924 2021-07-15 op {"help", no_argument, NULL, 'h'},
43 d0971653 2021-09-15 op {"safe", no_argument, NULL, 'S'},
44 dc761924 2021-07-15 op {"version", no_argument, NULL, 'v'},
45 dc761924 2021-07-15 op {NULL, 0, NULL, 0},
46 dc761924 2021-07-15 op };
47 dc761924 2021-07-15 op
48 d0971653 2021-09-15 op static const char *opts = "Cc:hnST:v";
49 a37d1a1c 2021-08-14 op
50 bb28f1c2 2021-12-30 op static int has_url;
51 bb28f1c2 2021-12-30 op static char url[GEMINI_URL_LEN];
52 bb28f1c2 2021-12-30 op
53 a37d1a1c 2021-08-14 op /*
54 a37d1a1c 2021-08-14 op * Used to know when we're finished loading.
55 a37d1a1c 2021-08-14 op */
56 1fce2e75 2021-08-14 op int operating;
57 395b9f4e 2021-07-12 op
58 d0971653 2021-09-15 op /*
59 d0971653 2021-09-15 op * "Safe" (or "sandobox") mode. If enabled, Telescope shouldn't write
60 d0971653 2021-09-15 op * anything to the filesystem or execute external programs.
61 d0971653 2021-09-15 op */
62 d0971653 2021-09-15 op int safe_mode;
63 d0971653 2021-09-15 op
64 bc10f6a5 2021-07-12 op static struct imsgev *iev_fs, *iev_net;
65 ecfbb1d4 2021-08-14 op
66 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
67 6c74799d 2022-01-05 op struct tabshead ktabshead = TAILQ_HEAD_INITIALIZER(ktabshead);
68 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
69 6cc5fcfe 2021-07-08 op
70 6cc5fcfe 2021-07-08 op enum telescope_process {
71 6cc5fcfe 2021-07-08 op PROC_UI,
72 6cc5fcfe 2021-07-08 op PROC_FS,
73 6cc5fcfe 2021-07-08 op PROC_NET,
74 6cc5fcfe 2021-07-08 op };
75 5e11c00c 2021-03-02 op
76 9a8a7402 2021-07-18 op #define CANNOT_FETCH 0
77 9a8a7402 2021-07-18 op #define TOO_MUCH_REDIRECTS 1
78 9a8a7402 2021-07-18 op #define MALFORMED_RESPONSE 2
79 9a8a7402 2021-07-18 op #define UNKNOWN_TYPE_OR_CSET 3
80 9a8a7402 2021-07-18 op #define UNKNOWN_PROTOCOL 4
81 9a8a7402 2021-07-18 op
82 a21e0756 2021-08-14 op /* XXX: keep in sync with normalize_code */
83 9a8a7402 2021-07-18 op const char *err_pages[70] = {
84 9a8a7402 2021-07-18 op [CANNOT_FETCH] = "# Couldn't load the page\n",
85 9a8a7402 2021-07-18 op [TOO_MUCH_REDIRECTS] = "# Too much redirects\n",
86 9a8a7402 2021-07-18 op [MALFORMED_RESPONSE] = "# Got a malformed response\n",
87 9a8a7402 2021-07-18 op [UNKNOWN_TYPE_OR_CSET] = "# Unsupported type or charset\n",
88 9a8a7402 2021-07-18 op [UNKNOWN_PROTOCOL] = "# Unknown protocol\n",
89 9a8a7402 2021-07-18 op
90 9a8a7402 2021-07-18 op [10] = "# Input required\n",
91 9a8a7402 2021-07-18 op [11] = "# Input required\n",
92 9a8a7402 2021-07-18 op [40] = "# Temporary failure\n",
93 9a8a7402 2021-07-18 op [41] = "# Server unavailable\n",
94 9a8a7402 2021-07-18 op [42] = "# CGI error\n",
95 9a8a7402 2021-07-18 op [43] = "# Proxy error\n",
96 9a8a7402 2021-07-18 op [44] = "# Slow down\n",
97 9a8a7402 2021-07-18 op [50] = "# Permanent failure\n",
98 9a8a7402 2021-07-18 op [51] = "# Not found\n",
99 9a8a7402 2021-07-18 op [52] = "# Gone\n",
100 9a8a7402 2021-07-18 op [53] = "# Proxy request refused\n",
101 9a8a7402 2021-07-18 op [59] = "# Bad request\n",
102 9a8a7402 2021-07-18 op [60] = "# Client certificate required\n",
103 9a8a7402 2021-07-18 op [61] = "# Certificate not authorised\n",
104 9a8a7402 2021-07-18 op [62] = "# Certificate not valid\n"
105 9a8a7402 2021-07-18 op };
106 9a8a7402 2021-07-18 op
107 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
108 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
109 69f32f56 2021-08-16 op static void handle_imsg_err(struct imsg *, size_t);
110 69f32f56 2021-08-16 op static void handle_imsg_check_cert(struct imsg *, size_t);
111 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
112 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
113 69f32f56 2021-08-16 op static void handle_imsg_got_code(struct imsg *, size_t);
114 69f32f56 2021-08-16 op static void handle_imsg_got_meta(struct imsg *, size_t);
115 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
116 d1353324 2021-07-13 op static void handle_save_page_path(const char *, struct tab *);
117 69f32f56 2021-08-16 op static void handle_imsg_file_opened(struct imsg *, size_t);
118 69f32f56 2021-08-16 op static void handle_imsg_buf(struct imsg *, size_t);
119 69f32f56 2021-08-16 op static void handle_imsg_eof(struct imsg *, size_t);
120 eb722b50 2022-01-03 op static void handle_imsg_tofu(struct imsg *, size_t);
121 69f32f56 2021-08-16 op static void handle_imsg_bookmark_ok(struct imsg *, size_t);
122 69f32f56 2021-08-16 op static void handle_imsg_save_cert_ok(struct imsg *, size_t);
123 288fd238 2021-04-25 op static void handle_imsg_update_cert_ok(struct imsg *, size_t);
124 bb28f1c2 2021-12-30 op static void handle_imsg_session(struct imsg *, size_t);
125 69f32f56 2021-08-16 op static void handle_dispatch_imsg(int, short, void *);
126 69f32f56 2021-08-16 op static int load_about_url(struct tab *, const char *);
127 0b1053d2 2021-08-13 op static int load_file_url(struct tab *, const char *);
128 1c690d0a 2021-08-03 op static int load_finger_url(struct tab *, const char *);
129 69f32f56 2021-08-16 op static int load_gemini_url(struct tab *, const char *);
130 1c690d0a 2021-08-03 op static int load_gopher_url(struct tab *, const char *);
131 1c690d0a 2021-08-03 op static int load_via_proxy(struct tab *, const char *,
132 dfb5eb39 2021-07-25 op struct proxy *);
133 1c690d0a 2021-08-03 op static int make_request(struct tab *, struct get_req *, int,
134 cf1195ce 2021-07-25 op const char *);
135 c7586aab 2021-08-13 op static int make_fs_request(struct tab *, int, const char *);
136 ed21a9a1 2022-01-11 op static int do_load_url(struct tab *, const char *, const char *, int);
137 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
138 dfb5eb39 2021-07-25 op
139 352e0355 2021-07-25 op static struct proto {
140 352e0355 2021-07-25 op const char *schema;
141 ba782cb8 2021-07-25 op const char *port;
142 69f32f56 2021-08-16 op int (*loadfn)(struct tab *, const char *);
143 352e0355 2021-07-25 op } protos[] = {
144 ba782cb8 2021-07-25 op {"about", NULL, load_about_url},
145 0b1053d2 2021-08-13 op {"file", NULL, load_file_url},
146 ba782cb8 2021-07-25 op {"finger", "79", load_finger_url},
147 ba782cb8 2021-07-25 op {"gemini", "1965", load_gemini_url},
148 1663bf1e 2021-07-25 op {"gopher", "70", load_gopher_url},
149 ba782cb8 2021-07-25 op {NULL, NULL, NULL},
150 dfb5eb39 2021-07-25 op };
151 5e11c00c 2021-03-02 op
152 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
153 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
154 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
155 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
156 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
157 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
158 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
159 eb722b50 2022-01-03 op [IMSG_TOFU] = handle_imsg_tofu,
160 740f578b 2021-03-15 op [IMSG_BOOKMARK_OK] = handle_imsg_bookmark_ok,
161 3a227e9a 2021-03-18 op [IMSG_SAVE_CERT_OK] = handle_imsg_save_cert_ok,
162 288fd238 2021-04-25 op [IMSG_UPDATE_CERT_OK] = handle_imsg_update_cert_ok,
163 de2a69bb 2021-05-17 op [IMSG_FILE_OPENED] = handle_imsg_file_opened,
164 bb28f1c2 2021-12-30 op [IMSG_SESSION_TAB] = handle_imsg_session,
165 1040cc7f 2021-01-02 op [IMSG_SESSION_TAB_HIST] = handle_imsg_session,
166 bb28f1c2 2021-12-30 op [IMSG_SESSION_END] = handle_imsg_session,
167 5e11c00c 2021-03-02 op };
168 5e11c00c 2021-03-02 op
169 cbcc75fb 2021-03-17 op static struct ohash certs;
170 cbcc75fb 2021-03-17 op
171 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
172 5e11c00c 2021-03-02 op die(void)
173 5e11c00c 2021-03-02 op {
174 5e11c00c 2021-03-02 op abort(); /* TODO */
175 5e11c00c 2021-03-02 op }
176 5e11c00c 2021-03-02 op
177 5e11c00c 2021-03-02 op static struct tab *
178 f6243012 2021-07-19 op tab_by_id(uint32_t id)
179 5e11c00c 2021-03-02 op {
180 5e11c00c 2021-03-02 op struct tab *t;
181 5e11c00c 2021-03-02 op
182 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
183 5e11c00c 2021-03-02 op if (t->id == id)
184 5e11c00c 2021-03-02 op return t;
185 5e11c00c 2021-03-02 op }
186 5e11c00c 2021-03-02 op
187 5d6c2088 2021-07-19 op return NULL;
188 5e11c00c 2021-03-02 op }
189 5e11c00c 2021-03-02 op
190 5e11c00c 2021-03-02 op static void
191 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
192 5e11c00c 2021-03-02 op {
193 3a9b9365 2021-03-09 op struct tab *tab;
194 3a9b9365 2021-03-09 op char *page;
195 3a9b9365 2021-03-09 op
196 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
197 f6243012 2021-07-19 op return;
198 3a9b9365 2021-03-09 op
199 3a9b9365 2021-03-09 op page = imsg->data;
200 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
201 3a9b9365 2021-03-09 op
202 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
203 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
204 3a9b9365 2021-03-09 op die();
205 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
206 3a9b9365 2021-03-09 op free(page);
207 5e11c00c 2021-03-02 op }
208 5e11c00c 2021-03-02 op
209 5e11c00c 2021-03-02 op static void
210 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
211 5e11c00c 2021-03-02 op {
212 984245ce 2021-06-23 op const char *hash, *host, *port;
213 cbcc75fb 2021-03-17 op int tofu_res;
214 cbcc75fb 2021-03-17 op struct tofu_entry *e;
215 cbcc75fb 2021-03-17 op struct tab *tab;
216 5e11c00c 2021-03-02 op
217 cbcc75fb 2021-03-17 op hash = imsg->data;
218 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
219 cbcc75fb 2021-03-17 op abort();
220 cbcc75fb 2021-03-17 op
221 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
222 f6243012 2021-07-19 op return;
223 cbcc75fb 2021-03-17 op
224 984245ce 2021-06-23 op if (tab->proxy != NULL) {
225 984245ce 2021-06-23 op host = tab->proxy->host;
226 984245ce 2021-06-23 op port = tab->proxy->port;
227 984245ce 2021-06-23 op } else {
228 984245ce 2021-06-23 op host = tab->uri.host;
229 984245ce 2021-06-23 op port = tab->uri.port;
230 984245ce 2021-06-23 op }
231 984245ce 2021-06-23 op
232 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
233 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
234 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
235 cbcc75fb 2021-03-17 op * the certs! */
236 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
237 cbcc75fb 2021-03-17 op abort();
238 cbcc75fb 2021-03-17 op
239 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
240 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
241 cbcc75fb 2021-03-17 op abort();
242 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
243 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
244 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
245 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
246 eb4388ee 2021-04-25 op }
247 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
248 3768e50f 2021-04-25 op tofu_add(&certs, e);
249 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SAVE_CERT, tab->id, e, sizeof(*e));
250 cbcc75fb 2021-03-17 op } else
251 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
252 cbcc75fb 2021-03-17 op
253 5d1bac73 2021-03-25 op if (tofu_res) {
254 a2fd3805 2021-07-06 op if (e->verified == -1)
255 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
256 a2fd3805 2021-07-06 op else if (e->verified == 1)
257 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
258 a2fd3805 2021-07-06 op else
259 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
260 a2fd3805 2021-07-06 op
261 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, imsg->hdr.peerid,
262 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
263 5d1bac73 2021-03-25 op } else {
264 cbcc75fb 2021-03-17 op tab->trust = TS_UNTRUSTED;
265 cbcc75fb 2021-03-17 op load_page_from_str(tab, "# Certificate mismatch\n");
266 288fd238 2021-04-25 op if ((tab->cert = strdup(hash)) == NULL)
267 288fd238 2021-04-25 op die();
268 5d1bac73 2021-03-25 op ui_yornp("Certificate mismatch. Proceed?",
269 a2fd3805 2021-07-06 op handle_check_cert_user_choice, tab);
270 cbcc75fb 2021-03-17 op }
271 5d1bac73 2021-03-25 op }
272 5d1bac73 2021-03-25 op
273 5d1bac73 2021-03-25 op static void
274 a2fd3805 2021-07-06 op handle_check_cert_user_choice(int accept, struct tab *tab)
275 5d1bac73 2021-03-25 op {
276 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, tab->id, &accept,
277 bc10f6a5 2021-07-12 op sizeof(accept));
278 288fd238 2021-04-25 op
279 a2fd3805 2021-07-06 op if (accept) {
280 a2fd3805 2021-07-06 op /*
281 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
282 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
283 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
284 7b4e4feb 2021-08-15 op * tabid (one request == one tab id). It also makes
285 7b4e4feb 2021-08-15 op * sense to save it for the current session if the
286 7b4e4feb 2021-08-15 op * user accepted it.
287 a2fd3805 2021-07-06 op */
288 69f32f56 2021-08-16 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port,
289 69f32f56 2021-08-16 op tab->cert);
290 a2fd3805 2021-07-06 op
291 d0971653 2021-09-15 op if (!safe_mode)
292 d0971653 2021-09-15 op ui_yornp("Save the new certificate?",
293 d0971653 2021-09-15 op handle_maybe_save_new_cert, tab);
294 d0971653 2021-09-15 op else
295 d0971653 2021-09-15 op message("Certificate temporarly trusted");
296 a2fd3805 2021-07-06 op } else {
297 288fd238 2021-04-25 op free(tab->cert);
298 288fd238 2021-04-25 op tab->cert = NULL;
299 288fd238 2021-04-25 op }
300 5e11c00c 2021-03-02 op }
301 5e11c00c 2021-03-02 op
302 288fd238 2021-04-25 op static void
303 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
304 288fd238 2021-04-25 op {
305 288fd238 2021-04-25 op struct tofu_entry *e;
306 984245ce 2021-06-23 op const char *host, *port;
307 288fd238 2021-04-25 op
308 984245ce 2021-06-23 op if (tab->proxy != NULL) {
309 984245ce 2021-06-23 op host = tab->proxy->host;
310 984245ce 2021-06-23 op port = tab->proxy->port;
311 984245ce 2021-06-23 op } else {
312 984245ce 2021-06-23 op host = tab->uri.host;
313 984245ce 2021-06-23 op port = tab->uri.port;
314 984245ce 2021-06-23 op }
315 984245ce 2021-06-23 op
316 288fd238 2021-04-25 op if (!accept)
317 288fd238 2021-04-25 op goto end;
318 288fd238 2021-04-25 op
319 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
320 288fd238 2021-04-25 op die();
321 288fd238 2021-04-25 op
322 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
323 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
324 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
325 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
326 288fd238 2021-04-25 op }
327 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
328 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_UPDATE_CERT, 0, e, sizeof(*e));
329 288fd238 2021-04-25 op
330 288fd238 2021-04-25 op tofu_update(&certs, e);
331 288fd238 2021-04-25 op
332 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
333 288fd238 2021-04-25 op
334 288fd238 2021-04-25 op end:
335 288fd238 2021-04-25 op free(tab->cert);
336 288fd238 2021-04-25 op tab->cert = NULL;
337 288fd238 2021-04-25 op }
338 288fd238 2021-04-25 op
339 5cd2ebb1 2021-03-11 op static inline int
340 5cd2ebb1 2021-03-11 op normalize_code(int n)
341 5cd2ebb1 2021-03-11 op {
342 5cd2ebb1 2021-03-11 op if (n < 20) {
343 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
344 5cd2ebb1 2021-03-11 op return n;
345 5cd2ebb1 2021-03-11 op return 10;
346 5cd2ebb1 2021-03-11 op } else if (n < 30) {
347 5cd2ebb1 2021-03-11 op return 20;
348 5cd2ebb1 2021-03-11 op } else if (n < 40) {
349 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
350 5cd2ebb1 2021-03-11 op return n;
351 5cd2ebb1 2021-03-11 op return 30;
352 5cd2ebb1 2021-03-11 op } else if (n < 50) {
353 5cd2ebb1 2021-03-11 op if (n <= 44)
354 5cd2ebb1 2021-03-11 op return n;
355 5cd2ebb1 2021-03-11 op return 40;
356 5cd2ebb1 2021-03-11 op } else if (n < 60) {
357 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
358 5cd2ebb1 2021-03-11 op return n;
359 5cd2ebb1 2021-03-11 op return 50;
360 5cd2ebb1 2021-03-11 op } else if (n < 70) {
361 5cd2ebb1 2021-03-11 op if (n <= 62)
362 5cd2ebb1 2021-03-11 op return n;
363 5cd2ebb1 2021-03-11 op return 60;
364 5cd2ebb1 2021-03-11 op } else
365 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
366 5cd2ebb1 2021-03-11 op }
367 5cd2ebb1 2021-03-11 op
368 5e11c00c 2021-03-02 op static void
369 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
370 5e11c00c 2021-03-02 op {
371 0972d8b2 2021-03-02 op struct tab *tab;
372 5e11c00c 2021-03-02 op
373 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
374 f6243012 2021-07-19 op return;
375 0972d8b2 2021-03-02 op
376 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
377 5e11c00c 2021-03-02 op die();
378 5e11c00c 2021-03-02 op
379 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
380 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
381 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
382 0972d8b2 2021-03-02 op tab->redirect_count = 0;
383 5e11c00c 2021-03-02 op }
384 5e11c00c 2021-03-02 op
385 5e11c00c 2021-03-02 op static void
386 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
387 5e11c00c 2021-03-02 op {
388 0972d8b2 2021-03-02 op struct tab *tab;
389 fcd99a0d 2021-11-05 op char buf[128];
390 0972d8b2 2021-03-02 op
391 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
392 f6243012 2021-07-19 op return;
393 0972d8b2 2021-03-02 op
394 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
395 0972d8b2 2021-03-02 op die();
396 5cd2ebb1 2021-03-11 op
397 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
398 0972d8b2 2021-03-02 op
399 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
400 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
401 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
402 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
403 9a28e7e5 2021-08-03 op ui_require_input(tab, tab->code == 11, PROTO_GEMINI);
404 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
405 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
406 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
407 fcd99a0d 2021-11-05 op } else if (safe_mode) {
408 69f32f56 2021-08-16 op load_page_from_str(tab,
409 69f32f56 2021-08-16 op err_pages[UNKNOWN_TYPE_OR_CSET]);
410 fcd99a0d 2021-11-05 op } else {
411 fcd99a0d 2021-11-05 op struct hist *h;
412 fcd99a0d 2021-11-05 op
413 fcd99a0d 2021-11-05 op if ((h = hist_pop(&tab->hist)) != NULL)
414 fcd99a0d 2021-11-05 op tab->hist_cur = h;
415 fcd99a0d 2021-11-05 op snprintf(buf, sizeof(buf),
416 fcd99a0d 2021-11-05 op "Can't display \"%s\", save it?", tab->meta);
417 fcd99a0d 2021-11-05 op ui_yornp(buf, handle_maybe_save_page, tab);
418 c07ac996 2021-03-12 op }
419 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
420 3a9b9365 2021-03-09 op tab->redirect_count++;
421 0972d8b2 2021-03-02 op
422 3a9b9365 2021-03-09 op /* TODO: make customizable? */
423 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
424 3a9b9365 2021-03-09 op load_page_from_str(tab,
425 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
426 5cd2ebb1 2021-03-11 op } else
427 ed21a9a1 2022-01-11 op do_load_url(tab, tab->meta, NULL, LU_MODE_NOCACHE);
428 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
429 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
430 3a9b9365 2021-03-09 op }
431 de2a69bb 2021-05-17 op }
432 de2a69bb 2021-05-17 op
433 de2a69bb 2021-05-17 op static void
434 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
435 de2a69bb 2021-05-17 op {
436 bb9912eb 2021-08-29 op const char *f;
437 bb9912eb 2021-08-29 op char input[PATH_MAX];
438 bb9912eb 2021-08-29 op
439 fcd99a0d 2021-11-05 op /* XXX: this print a message that is confusing */
440 fcd99a0d 2021-11-05 op ui_on_tab_loaded(tab);
441 fcd99a0d 2021-11-05 op
442 bb9912eb 2021-08-29 op if (!dosave) {
443 a2fd3805 2021-07-06 op stop_tab(tab);
444 bb9912eb 2021-08-29 op return;
445 bb9912eb 2021-08-29 op }
446 bb9912eb 2021-08-29 op
447 bb9912eb 2021-08-29 op if ((f = strrchr(tab->uri.path, '/')) == NULL)
448 bb9912eb 2021-08-29 op f = "";
449 bb9912eb 2021-08-29 op else
450 bb9912eb 2021-08-29 op f++;
451 bb9912eb 2021-08-29 op
452 112b9046 2021-08-29 op strlcpy(input, download_path, sizeof(input));
453 bb9912eb 2021-08-29 op strlcat(input, f, sizeof(input));
454 bb9912eb 2021-08-29 op
455 bb9912eb 2021-08-29 op ui_read("Save to path", handle_save_page_path, tab, input);
456 de2a69bb 2021-05-17 op }
457 de2a69bb 2021-05-17 op
458 de2a69bb 2021-05-17 op static void
459 d1353324 2021-07-13 op handle_save_page_path(const char *path, struct tab *tab)
460 d1353324 2021-07-13 op {
461 de2a69bb 2021-05-17 op if (path == NULL) {
462 d1353324 2021-07-13 op stop_tab(tab);
463 de2a69bb 2021-05-17 op return;
464 de2a69bb 2021-05-17 op }
465 de2a69bb 2021-05-17 op
466 fcd99a0d 2021-11-05 op ui_show_downloads_pane();
467 de2a69bb 2021-05-17 op
468 fcd99a0d 2021-11-05 op enqueue_download(tab->id, path);
469 d1353324 2021-07-13 op ui_send_fs(IMSG_FILE_OPEN, tab->id, path, strlen(path)+1);
470 fcd99a0d 2021-11-05 op
471 fcd99a0d 2021-11-05 op /*
472 fcd99a0d 2021-11-05 op * Change this tab id, the old one is associated with the
473 fcd99a0d 2021-11-05 op * download now.
474 fcd99a0d 2021-11-05 op */
475 fcd99a0d 2021-11-05 op tab->id = tab_new_id();
476 5e11c00c 2021-03-02 op }
477 5e11c00c 2021-03-02 op
478 5e11c00c 2021-03-02 op static void
479 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
480 de2a69bb 2021-05-17 op {
481 fcd99a0d 2021-11-05 op struct download *d;
482 de2a69bb 2021-05-17 op const char *e;
483 de2a69bb 2021-05-17 op
484 fcd99a0d 2021-11-05 op /*
485 fcd99a0d 2021-11-05 op * There are no reason we shouldn't be able to find the
486 fcd99a0d 2021-11-05 op * required download.
487 fcd99a0d 2021-11-05 op */
488 fcd99a0d 2021-11-05 op if ((d = download_by_id(imsg->hdr.peerid)) == NULL)
489 fcd99a0d 2021-11-05 op die();
490 de2a69bb 2021-05-17 op
491 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
492 de2a69bb 2021-05-17 op e = imsg->data;
493 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
494 de2a69bb 2021-05-17 op die();
495 fcd99a0d 2021-11-05 op message("Can't open file %s: %s", d->path, e);
496 de2a69bb 2021-05-17 op } else {
497 fcd99a0d 2021-11-05 op d->fd = imsg->fd;
498 fcd99a0d 2021-11-05 op ui_send_net(IMSG_PROCEED, d->id, NULL, 0);
499 bb28f1c2 2021-12-30 op }
500 bb28f1c2 2021-12-30 op }
501 bb28f1c2 2021-12-30 op
502 bb28f1c2 2021-12-30 op static void
503 bb28f1c2 2021-12-30 op handle_imsg_session(struct imsg *imsg, size_t datalen)
504 bb28f1c2 2021-12-30 op {
505 bb28f1c2 2021-12-30 op static struct tab *curr;
506 1040cc7f 2021-01-02 op static struct tab *tab;
507 bb28f1c2 2021-12-30 op struct session_tab st;
508 1040cc7f 2021-01-02 op struct session_tab_hist sth;
509 1040cc7f 2021-01-02 op struct hist *h;
510 bb28f1c2 2021-12-30 op int first_time;
511 bb28f1c2 2021-12-30 op
512 bb28f1c2 2021-12-30 op /*
513 bb28f1c2 2021-12-30 op * The fs process tried to send tabs after it has announced
514 bb28f1c2 2021-12-30 op * that he's done. Something fishy is going on, better die.
515 bb28f1c2 2021-12-30 op */
516 bb28f1c2 2021-12-30 op if (operating)
517 bb28f1c2 2021-12-30 op die();
518 bb28f1c2 2021-12-30 op
519 92ce02e2 2021-01-02 op switch (imsg->hdr.type) {
520 92ce02e2 2021-01-02 op case IMSG_SESSION_TAB:
521 92ce02e2 2021-01-02 op if (datalen != sizeof(st))
522 92ce02e2 2021-01-02 op die();
523 92ce02e2 2021-01-02 op
524 92ce02e2 2021-01-02 op memcpy(&st, imsg->data, sizeof(st));
525 92ce02e2 2021-01-02 op if ((tab = new_tab(st.uri, NULL, NULL)) == NULL)
526 92ce02e2 2021-01-02 op die();
527 92ce02e2 2021-01-02 op strlcpy(tab->buffer.page.title, st.title,
528 92ce02e2 2021-01-02 op sizeof(tab->buffer.page.title));
529 92ce02e2 2021-01-02 op if (st.flags & TAB_CURRENT)
530 92ce02e2 2021-01-02 op curr = tab;
531 6c74799d 2022-01-05 op if (st.flags & TAB_KILLED)
532 05de8ac3 2022-01-06 op kill_tab(tab, 1);
533 92ce02e2 2021-01-02 op break;
534 92ce02e2 2021-01-02 op
535 1040cc7f 2021-01-02 op case IMSG_SESSION_TAB_HIST:
536 1040cc7f 2021-01-02 op if (tab == NULL || datalen != sizeof(sth))
537 1040cc7f 2021-01-02 op die();
538 1040cc7f 2021-01-02 op
539 1040cc7f 2021-01-02 op memcpy(&sth, imsg->data, sizeof(sth));
540 1040cc7f 2021-01-02 op if (sth.uri[sizeof(sth.uri)-1] != '\0')
541 1040cc7f 2021-01-02 op die();
542 1040cc7f 2021-01-02 op
543 1040cc7f 2021-01-02 op if ((h = calloc(1, sizeof(*h))) == NULL)
544 1040cc7f 2021-01-02 op die();
545 1040cc7f 2021-01-02 op strlcpy(h->h, sth.uri, sizeof(h->h));
546 1040cc7f 2021-01-02 op
547 1040cc7f 2021-01-02 op if (sth.future)
548 1040cc7f 2021-01-02 op hist_push(&tab->hist, h);
549 1040cc7f 2021-01-02 op else
550 1040cc7f 2021-01-02 op hist_add_before(&tab->hist, tab->hist_cur, h);
551 1040cc7f 2021-01-02 op break;
552 1040cc7f 2021-01-02 op
553 92ce02e2 2021-01-02 op case IMSG_SESSION_END:
554 bb28f1c2 2021-12-30 op if (datalen != sizeof(first_time))
555 bb28f1c2 2021-12-30 op die();
556 bb28f1c2 2021-12-30 op memcpy(&first_time, imsg->data, sizeof(first_time));
557 bb28f1c2 2021-12-30 op if (first_time) {
558 bb28f1c2 2021-12-30 op new_tab("about:new", NULL, NULL);
559 bb28f1c2 2021-12-30 op curr = new_tab("about:help", NULL, NULL);
560 bb28f1c2 2021-12-30 op }
561 bb28f1c2 2021-12-30 op
562 bb28f1c2 2021-12-30 op operating = 1;
563 bb28f1c2 2021-12-30 op if (curr != NULL)
564 bb28f1c2 2021-12-30 op switch_to_tab(curr);
565 bb28f1c2 2021-12-30 op if (has_url || TAILQ_EMPTY(&tabshead))
566 bb28f1c2 2021-12-30 op new_tab(url, NULL, NULL);
567 bb28f1c2 2021-12-30 op ui_main_loop();
568 92ce02e2 2021-01-02 op break;
569 bb28f1c2 2021-12-30 op
570 92ce02e2 2021-01-02 op default:
571 bb28f1c2 2021-12-30 op die();
572 92ce02e2 2021-01-02 op }
573 de2a69bb 2021-05-17 op }
574 de2a69bb 2021-05-17 op
575 de2a69bb 2021-05-17 op static void
576 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
577 5e11c00c 2021-03-02 op {
578 fcd99a0d 2021-11-05 op struct tab *tab = NULL;
579 fcd99a0d 2021-11-05 op struct download *d = NULL;
580 5e11c00c 2021-03-02 op
581 fcd99a0d 2021-11-05 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL &&
582 fcd99a0d 2021-11-05 op (d = download_by_id(imsg->hdr.peerid)) == NULL)
583 5d6c2088 2021-07-19 op return;
584 5e11c00c 2021-03-02 op
585 fcd99a0d 2021-11-05 op if (tab != NULL) {
586 8c1b0837 2021-07-25 op if (!parser_parse(tab, imsg->data, datalen))
587 de2a69bb 2021-05-17 op die();
588 fcd99a0d 2021-11-05 op ui_on_tab_refresh(tab);
589 de2a69bb 2021-05-17 op } else {
590 fcd99a0d 2021-11-05 op d->bytes += datalen;
591 fcd99a0d 2021-11-05 op write(d->fd, imsg->data, datalen);
592 fcd99a0d 2021-11-05 op ui_on_download_refresh();
593 de2a69bb 2021-05-17 op }
594 5e11c00c 2021-03-02 op }
595 5e11c00c 2021-03-02 op
596 5e11c00c 2021-03-02 op static void
597 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
598 5e11c00c 2021-03-02 op {
599 fcd99a0d 2021-11-05 op struct tab *tab = NULL;
600 fcd99a0d 2021-11-05 op struct download *d = NULL;
601 a5c3e03d 2021-03-02 op
602 fcd99a0d 2021-11-05 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL &&
603 fcd99a0d 2021-11-05 op (d = download_by_id(imsg->hdr.peerid)) == NULL)
604 f6243012 2021-07-19 op return;
605 de2a69bb 2021-05-17 op
606 fcd99a0d 2021-11-05 op if (tab != NULL) {
607 8c1b0837 2021-07-25 op if (!parser_free(tab))
608 de2a69bb 2021-05-17 op die();
609 dc8e7bf6 2022-01-11 op if (has_prefix(tab->hist_cur->h, "gemini://") ||
610 dc8e7bf6 2022-01-11 op has_prefix(tab->hist_cur->h, "gopher://"))
611 8f3c9af8 2022-01-11 op mcache_tab(tab);
612 fcd99a0d 2021-11-05 op ui_on_tab_refresh(tab);
613 fcd99a0d 2021-11-05 op ui_on_tab_loaded(tab);
614 de2a69bb 2021-05-17 op } else {
615 fcd99a0d 2021-11-05 op close(d->fd);
616 fcd99a0d 2021-11-05 op d->fd = -1;
617 fcd99a0d 2021-11-05 op ui_on_download_refresh();
618 de2a69bb 2021-05-17 op }
619 5e11c00c 2021-03-02 op }
620 5e11c00c 2021-03-02 op
621 5e11c00c 2021-03-02 op static void
622 eb722b50 2022-01-03 op handle_imsg_tofu(struct imsg *imsg, size_t datalen)
623 eb722b50 2022-01-03 op {
624 eb722b50 2022-01-03 op struct tofu_entry *e;
625 eb722b50 2022-01-03 op
626 eb722b50 2022-01-03 op if (operating)
627 eb722b50 2022-01-03 op die();
628 eb722b50 2022-01-03 op
629 eb722b50 2022-01-03 op if ((e = calloc(1, sizeof(*e))) == NULL)
630 eb722b50 2022-01-03 op die();
631 eb722b50 2022-01-03 op
632 eb722b50 2022-01-03 op if (datalen != sizeof(*e))
633 eb722b50 2022-01-03 op die();
634 eb722b50 2022-01-03 op memcpy(e, imsg->data, sizeof(*e));
635 eb722b50 2022-01-03 op if (e->domain[sizeof(e->domain)-1] != '\0' ||
636 eb722b50 2022-01-03 op e->hash[sizeof(e->hash)-1] != '\0')
637 eb722b50 2022-01-03 op die();
638 eb722b50 2022-01-03 op tofu_add(&certs, e);
639 eb722b50 2022-01-03 op }
640 eb722b50 2022-01-03 op
641 eb722b50 2022-01-03 op static void
642 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
643 740f578b 2021-03-15 op {
644 740f578b 2021-03-15 op int res;
645 740f578b 2021-03-15 op
646 740f578b 2021-03-15 op if (datalen != sizeof(res))
647 740f578b 2021-03-15 op die();
648 740f578b 2021-03-15 op
649 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
650 740f578b 2021-03-15 op if (res == 0)
651 7f963c41 2021-06-20 op message("Added to bookmarks!");
652 740f578b 2021-03-15 op else
653 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
654 740f578b 2021-03-15 op strerror(res));
655 740f578b 2021-03-15 op }
656 740f578b 2021-03-15 op
657 740f578b 2021-03-15 op static void
658 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
659 3a227e9a 2021-03-18 op {
660 3a227e9a 2021-03-18 op int res;
661 3a227e9a 2021-03-18 op
662 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
663 3a227e9a 2021-03-18 op die();
664 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
665 3a227e9a 2021-03-18 op if (res != 0)
666 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
667 3a227e9a 2021-03-18 op strerror(res));
668 288fd238 2021-04-25 op }
669 288fd238 2021-04-25 op
670 288fd238 2021-04-25 op static void
671 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
672 288fd238 2021-04-25 op {
673 288fd238 2021-04-25 op int res;
674 288fd238 2021-04-25 op
675 288fd238 2021-04-25 op if (datalen != sizeof(res))
676 288fd238 2021-04-25 op die();
677 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
678 288fd238 2021-04-25 op if (!res)
679 7f963c41 2021-06-20 op message("Failed to update the certificate");
680 3a227e9a 2021-03-18 op }
681 3a227e9a 2021-03-18 op
682 3a227e9a 2021-03-18 op static void
683 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
684 5e11c00c 2021-03-02 op {
685 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
686 ea080950 2021-07-20 op
687 ea080950 2021-07-20 op if (dispatch_imsg(iev, ev, handlers, sizeof(handlers)) == -1)
688 ea080950 2021-07-20 op err(1, "connection closed");
689 0972d8b2 2021-03-02 op }
690 0972d8b2 2021-03-02 op
691 1c690d0a 2021-08-03 op static int
692 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
693 0972d8b2 2021-03-02 op {
694 7b2aac84 2021-08-13 op tab->trust = TS_UNKNOWN;
695 8c1b0837 2021-07-25 op parser_init(tab, gemtext_initparser);
696 c7586aab 2021-08-13 op return make_fs_request(tab, IMSG_GET, url);
697 4d3785b1 2021-03-09 op }
698 0972d8b2 2021-03-02 op
699 1c690d0a 2021-08-03 op static int
700 0b1053d2 2021-08-13 op load_file_url(struct tab *tab, const char *url)
701 0b1053d2 2021-08-13 op {
702 0b1053d2 2021-08-13 op tab->trust = TS_UNKNOWN;
703 0b1053d2 2021-08-13 op return make_fs_request(tab, IMSG_GET_FILE, tab->uri.path);
704 0b1053d2 2021-08-13 op }
705 0b1053d2 2021-08-13 op
706 0b1053d2 2021-08-13 op static int
707 5fb52fc0 2021-07-25 op load_finger_url(struct tab *tab, const char *url)
708 5fb52fc0 2021-07-25 op {
709 5fb52fc0 2021-07-25 op struct get_req req;
710 5fb52fc0 2021-07-25 op size_t len;
711 5fb52fc0 2021-07-25 op char *at;
712 5fb52fc0 2021-07-25 op
713 5fb52fc0 2021-07-25 op memset(&req, 0, sizeof(req));
714 ba782cb8 2021-07-25 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
715 5fb52fc0 2021-07-25 op
716 5fb52fc0 2021-07-25 op /*
717 5fb52fc0 2021-07-25 op * Sometimes the finger url have the user as path component
718 5fb52fc0 2021-07-25 op * (e.g. finger://thelambdalab.xyz/plugd), sometimes as
719 5fb52fc0 2021-07-25 op * userinfo (e.g. finger://cobradile@finger.farm).
720 5fb52fc0 2021-07-25 op */
721 5fb52fc0 2021-07-25 op if ((at = strchr(tab->uri.host, '@')) != NULL) {
722 5fb52fc0 2021-07-25 op len = at - tab->uri.host;
723 5fb52fc0 2021-07-25 op memcpy(req.req, tab->uri.host, len);
724 5fb52fc0 2021-07-25 op
725 5fb52fc0 2021-07-25 op if (len >= sizeof(req.req))
726 5fb52fc0 2021-07-25 op die();
727 5fb52fc0 2021-07-25 op req.req[len] = '\0';
728 5fb52fc0 2021-07-25 op
729 5fb52fc0 2021-07-25 op strlcpy(req.host, at+1, sizeof(req.host));
730 5fb52fc0 2021-07-25 op } else {
731 5fb52fc0 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
732 5fb52fc0 2021-07-25 op
733 5fb52fc0 2021-07-25 op /* +1 to skip the initial `/' */
734 5fb52fc0 2021-07-25 op strlcpy(req.req, tab->uri.path+1, sizeof(req.req));
735 5fb52fc0 2021-07-25 op }
736 5fb52fc0 2021-07-25 op strlcat(req.req, "\r\n", sizeof(req.req));
737 5fb52fc0 2021-07-25 op
738 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
739 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_FINGER, NULL);
740 5fb52fc0 2021-07-25 op }
741 5fb52fc0 2021-07-25 op
742 1c690d0a 2021-08-03 op static int
743 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
744 4d3785b1 2021-03-09 op {
745 984245ce 2021-06-23 op struct get_req req;
746 2eef3403 2021-04-22 op
747 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
748 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
749 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
750 984245ce 2021-06-23 op
751 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_GEMINI, tab->hist_cur->h);
752 ca190c99 2021-08-14 op }
753 ca190c99 2021-08-14 op
754 ca190c99 2021-08-14 op static inline const char *
755 ca190c99 2021-08-14 op gopher_skip_selector(const char *path, int *ret_type)
756 ca190c99 2021-08-14 op {
757 ca190c99 2021-08-14 op *ret_type = 0;
758 ca190c99 2021-08-14 op
759 ca190c99 2021-08-14 op if (!strcmp(path, "/") || *path == '\0') {
760 ca190c99 2021-08-14 op *ret_type = '1';
761 ca190c99 2021-08-14 op return path;
762 ca190c99 2021-08-14 op }
763 ca190c99 2021-08-14 op
764 ca190c99 2021-08-14 op if (*path != '/')
765 ca190c99 2021-08-14 op return path;
766 ca190c99 2021-08-14 op path++;
767 ca190c99 2021-08-14 op
768 ca190c99 2021-08-14 op switch (*ret_type = *path) {
769 ca190c99 2021-08-14 op case '0':
770 ca190c99 2021-08-14 op case '1':
771 ca190c99 2021-08-14 op case '7':
772 ca190c99 2021-08-14 op break;
773 ca190c99 2021-08-14 op
774 ca190c99 2021-08-14 op default:
775 ca190c99 2021-08-14 op *ret_type = 0;
776 ca190c99 2021-08-14 op path -= 1;
777 ca190c99 2021-08-14 op return path;
778 ca190c99 2021-08-14 op }
779 ca190c99 2021-08-14 op
780 95bb01e2 2021-08-28 op return ++path;
781 1663bf1e 2021-07-25 op }
782 1663bf1e 2021-07-25 op
783 1c690d0a 2021-08-03 op static int
784 1663bf1e 2021-07-25 op load_gopher_url(struct tab *tab, const char *url)
785 1663bf1e 2021-07-25 op {
786 81839fee 2021-07-25 op struct get_req req;
787 ca190c99 2021-08-14 op int type;
788 81839fee 2021-07-25 op const char *path;
789 1663bf1e 2021-07-25 op
790 1663bf1e 2021-07-25 op memset(&req, 0, sizeof(req));
791 1663bf1e 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
792 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
793 1663bf1e 2021-07-25 op
794 ca190c99 2021-08-14 op path = gopher_skip_selector(tab->uri.path, &type);
795 ca190c99 2021-08-14 op switch (type) {
796 ca190c99 2021-08-14 op case '0':
797 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
798 ca190c99 2021-08-14 op break;
799 ca190c99 2021-08-14 op case '1':
800 ca190c99 2021-08-14 op parser_init(tab, gophermap_initparser);
801 ca190c99 2021-08-14 op break;
802 ca190c99 2021-08-14 op case '7':
803 9a28e7e5 2021-08-03 op ui_require_input(tab, 0, PROTO_GOPHER);
804 9a28e7e5 2021-08-03 op return load_page_from_str(tab, err_pages[10]);
805 ca190c99 2021-08-14 op default:
806 ca190c99 2021-08-14 op return load_page_from_str(tab, "Unknown gopher selector");
807 81839fee 2021-07-25 op }
808 81839fee 2021-07-25 op
809 9a28e7e5 2021-08-03 op strlcpy(req.req, path, sizeof(req.req));
810 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
811 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
812 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
813 9a28e7e5 2021-08-03 op }
814 767da05c 2021-08-13 op strlcat(req.req, "\r\n", sizeof(req.req));
815 9a28e7e5 2021-08-03 op
816 767da05c 2021-08-13 op return make_request(tab, &req, PROTO_GOPHER, NULL);
817 0972d8b2 2021-03-02 op }
818 0972d8b2 2021-03-02 op
819 1c690d0a 2021-08-03 op static int
820 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
821 984245ce 2021-06-23 op {
822 984245ce 2021-06-23 op struct get_req req;
823 984245ce 2021-06-23 op
824 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
825 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
826 f94c7ac1 2021-11-24 op strlcpy(req.port, p->port, sizeof(req.port));
827 984245ce 2021-06-23 op
828 cf1195ce 2021-07-25 op tab->proxy = p;
829 984245ce 2021-06-23 op
830 1c690d0a 2021-08-03 op return make_request(tab, &req, p->proto, tab->hist_cur->h);
831 cf1195ce 2021-07-25 op }
832 984245ce 2021-06-23 op
833 1c690d0a 2021-08-03 op static int
834 cf1195ce 2021-07-25 op make_request(struct tab *tab, struct get_req *req, int proto, const char *r)
835 cf1195ce 2021-07-25 op {
836 cf1195ce 2021-07-25 op stop_tab(tab);
837 cf1195ce 2021-07-25 op tab->id = tab_new_id();
838 cf1195ce 2021-07-25 op req->proto = proto;
839 cf1195ce 2021-07-25 op
840 cf1195ce 2021-07-25 op if (r != NULL) {
841 cf1195ce 2021-07-25 op strlcpy(req->req, r, sizeof(req->req));
842 cf1195ce 2021-07-25 op strlcat(req->req, "\r\n", sizeof(req->req));
843 cf1195ce 2021-07-25 op }
844 cf1195ce 2021-07-25 op
845 5df02e0d 2022-01-11 op start_loading_anim(tab);
846 cf1195ce 2021-07-25 op ui_send_net(IMSG_GET_RAW, tab->id, req, sizeof(*req));
847 1c690d0a 2021-08-03 op
848 1c690d0a 2021-08-03 op /*
849 1c690d0a 2021-08-03 op * So the various load_*_url can `return make_request` and
850 1c690d0a 2021-08-03 op * do_load_url is happy.
851 1c690d0a 2021-08-03 op */
852 1c690d0a 2021-08-03 op return 1;
853 984245ce 2021-06-23 op }
854 984245ce 2021-06-23 op
855 c7586aab 2021-08-13 op static int
856 c7586aab 2021-08-13 op make_fs_request(struct tab *tab, int type, const char *r)
857 c7586aab 2021-08-13 op {
858 c7586aab 2021-08-13 op stop_tab(tab);
859 c7586aab 2021-08-13 op tab->id = tab_new_id();
860 c7586aab 2021-08-13 op
861 c7586aab 2021-08-13 op ui_send_fs(type, tab->id, r, strlen(r)+1);
862 c7586aab 2021-08-13 op
863 c7586aab 2021-08-13 op /*
864 c7586aab 2021-08-13 op * So load_{about,file}_url can `return make_fs_request` and
865 c7586aab 2021-08-13 op * do_load_url is happy.
866 c7586aab 2021-08-13 op */
867 c7586aab 2021-08-13 op return 1;
868 c7586aab 2021-08-13 op }
869 c7586aab 2021-08-13 op
870 9a28e7e5 2021-08-03 op void
871 9a28e7e5 2021-08-03 op gopher_send_search_req(struct tab *tab, const char *text)
872 9a28e7e5 2021-08-03 op {
873 9a28e7e5 2021-08-03 op struct get_req req;
874 1b0e6efc 2021-08-08 op
875 9a28e7e5 2021-08-03 op memset(&req, 0, sizeof(req));
876 9a28e7e5 2021-08-03 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
877 f94c7ac1 2021-11-24 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
878 9a28e7e5 2021-08-03 op
879 9a28e7e5 2021-08-03 op /* +2 to skip /7 */
880 9a28e7e5 2021-08-03 op strlcpy(req.req, tab->uri.path+2, sizeof(req.req));
881 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
882 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
883 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
884 9a28e7e5 2021-08-03 op }
885 9a28e7e5 2021-08-03 op
886 9a28e7e5 2021-08-03 op strlcat(req.req, "\t", sizeof(req.req));
887 9a28e7e5 2021-08-03 op strlcat(req.req, text, sizeof(req.req));
888 9a28e7e5 2021-08-03 op strlcat(req.req, "\r\n", sizeof(req.req));
889 9a28e7e5 2021-08-03 op
890 9a28e7e5 2021-08-03 op erase_buffer(&tab->buffer);
891 9a28e7e5 2021-08-03 op parser_init(tab, gophermap_initparser);
892 9a28e7e5 2021-08-03 op
893 9a28e7e5 2021-08-03 op make_request(tab, &req, PROTO_GOPHER, NULL);
894 9a28e7e5 2021-08-03 op }
895 9a28e7e5 2021-08-03 op
896 adea4eec 2021-07-16 op /*
897 adea4eec 2021-07-16 op * Effectively load the given url in the given tab. Return 1 when
898 adea4eec 2021-07-16 op * loading the page asynchronously, and thus when an erase_buffer can
899 adea4eec 2021-07-16 op * be done right after this function return, or 0 when loading the
900 9eca3d7c 2021-11-02 op * page synchronously.
901 adea4eec 2021-07-16 op */
902 adea4eec 2021-07-16 op static int
903 ed21a9a1 2022-01-11 op do_load_url(struct tab *tab, const char *url, const char *base, int mode)
904 4d3785b1 2021-03-09 op {
905 31f1a758 2021-04-22 op struct phos_uri uri;
906 31f1a758 2021-04-22 op struct proto *p;
907 984245ce 2021-06-23 op struct proxy *proxy;
908 8f3c9af8 2022-01-11 op int nocache = mode & LU_MODE_NOCACHE;
909 31f1a758 2021-04-22 op char *t;
910 7943bb81 2021-07-10 op
911 7943bb81 2021-07-10 op tab->proxy = NULL;
912 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
913 10346511 2021-03-17 op
914 bd3a3a95 2021-07-20 op if (base == NULL)
915 bd3a3a95 2021-07-20 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
916 bd3a3a95 2021-07-20 op else
917 bd3a3a95 2021-07-20 op phos_parse_absolute_uri(base, &uri);
918 bd3a3a95 2021-07-20 op
919 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
920 902fc2c2 2021-07-25 op if (asprintf(&t, "#error loading %s\n>%s\n",
921 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
922 31f1a758 2021-04-22 op die();
923 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
924 31f1a758 2021-04-22 op load_page_from_str(tab, t);
925 31f1a758 2021-04-22 op free(t);
926 adea4eec 2021-07-16 op return 0;
927 31f1a758 2021-04-22 op }
928 31f1a758 2021-04-22 op
929 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
930 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
931 31f1a758 2021-04-22 op
932 8f3c9af8 2022-01-11 op if (!nocache && mcache_lookup(tab->hist_cur->h, tab)) {
933 8f3c9af8 2022-01-11 op ui_on_tab_refresh(tab);
934 8f3c9af8 2022-01-11 op ui_on_tab_loaded(tab);
935 d5af38cc 2022-01-10 op return 0;
936 8f3c9af8 2022-01-11 op }
937 d5af38cc 2022-01-10 op
938 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
939 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
940 ba782cb8 2021-07-25 op /* patch the port */
941 ba782cb8 2021-07-25 op if (*tab->uri.port == '\0' && p->port != NULL)
942 ba782cb8 2021-07-25 op strlcpy(tab->uri.port, p->port,
943 ba782cb8 2021-07-25 op sizeof(tab->uri.port));
944 ba782cb8 2021-07-25 op
945 1c690d0a 2021-08-03 op return p->loadfn(tab, url);
946 4d3785b1 2021-03-09 op }
947 4d3785b1 2021-03-09 op }
948 4d3785b1 2021-03-09 op
949 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
950 1c690d0a 2021-08-03 op if (!strcmp(tab->uri.scheme, proxy->match_proto))
951 1c690d0a 2021-08-03 op return load_via_proxy(tab, url, proxy);
952 984245ce 2021-06-23 op }
953 984245ce 2021-06-23 op
954 b38cd1f7 2021-08-03 op return load_page_from_str(tab, err_pages[UNKNOWN_PROTOCOL]);
955 4d3785b1 2021-03-09 op }
956 4d3785b1 2021-03-09 op
957 2ddbda6b 2021-07-17 op /*
958 ea639250 2021-01-02 op * Load url in tab and handle history. If a tab is marked as lazy, only
959 ea639250 2021-01-02 op * prepare the url but don't load it.
960 2ddbda6b 2021-07-17 op */
961 9ad4627d 2021-03-10 op void
962 ed21a9a1 2022-01-11 op load_url(struct tab *tab, const char *url, const char *base, int mode)
963 2051e653 2021-03-13 op {
964 ea639250 2021-01-02 op int lazy = tab->flags & TAB_LAZY;
965 ed21a9a1 2022-01-11 op int nohist = mode & LU_MODE_NOHIST;
966 bc55cdb9 2021-08-12 op
967 bc55cdb9 2021-08-12 op if (!nohist && (!lazy || tab->hist_cur == NULL)) {
968 2ddbda6b 2021-07-17 op if (tab->hist_cur != NULL)
969 2ddbda6b 2021-07-17 op hist_clear_forward(&tab->hist,
970 2ddbda6b 2021-07-17 op TAILQ_NEXT(tab->hist_cur, entries));
971 2ddbda6b 2021-07-17 op
972 69f32f56 2021-08-16 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur)))
973 69f32f56 2021-08-16 op == NULL) {
974 2ddbda6b 2021-07-17 op event_loopbreak();
975 2ddbda6b 2021-07-17 op return;
976 2ddbda6b 2021-07-17 op }
977 2ddbda6b 2021-07-17 op
978 2ddbda6b 2021-07-17 op strlcpy(tab->buffer.page.title, url,
979 2ddbda6b 2021-07-17 op sizeof(tab->buffer.page.title));
980 2ddbda6b 2021-07-17 op hist_push(&tab->hist, tab->hist_cur);
981 2ddbda6b 2021-07-17 op
982 2ddbda6b 2021-07-17 op if (lazy)
983 2ddbda6b 2021-07-17 op strlcpy(tab->hist_cur->h, url,
984 2ddbda6b 2021-07-17 op sizeof(tab->hist_cur->h));
985 2ddbda6b 2021-07-17 op }
986 2ddbda6b 2021-07-17 op
987 9eca3d7c 2021-11-02 op if (!lazy)
988 ed21a9a1 2022-01-11 op do_load_url(tab, url, base, mode);
989 2051e653 2021-03-13 op }
990 2051e653 2021-03-13 op
991 a37d1a1c 2021-08-14 op void
992 ed21a9a1 2022-01-11 op load_url_in_tab(struct tab *tab, const char *url, const char *base, int mode)
993 a37d1a1c 2021-08-14 op {
994 a37d1a1c 2021-08-14 op if (!operating) {
995 ed21a9a1 2022-01-11 op load_url(tab, url, base, mode);
996 a37d1a1c 2021-08-14 op return;
997 a37d1a1c 2021-08-14 op }
998 a37d1a1c 2021-08-14 op
999 a37d1a1c 2021-08-14 op autosave_hook();
1000 a37d1a1c 2021-08-14 op
1001 a37d1a1c 2021-08-14 op message("Loading %s...", url);
1002 ed21a9a1 2022-01-11 op load_url(tab, url, base, mode);
1003 a37d1a1c 2021-08-14 op }
1004 a37d1a1c 2021-08-14 op
1005 2051e653 2021-03-13 op int
1006 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
1007 2051e653 2021-03-13 op {
1008 2051e653 2021-03-13 op struct hist *h;
1009 2051e653 2021-03-13 op
1010 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
1011 2051e653 2021-03-13 op return 0;
1012 2051e653 2021-03-13 op tab->hist_cur = h;
1013 ed21a9a1 2022-01-11 op do_load_url(tab, h->h, NULL, LU_MODE_NONE);
1014 2051e653 2021-03-13 op return 1;
1015 2051e653 2021-03-13 op }
1016 2051e653 2021-03-13 op
1017 2051e653 2021-03-13 op int
1018 2051e653 2021-03-13 op load_next_page(struct tab *tab)
1019 2051e653 2021-03-13 op {
1020 2051e653 2021-03-13 op struct hist *h;
1021 2051e653 2021-03-13 op
1022 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
1023 2051e653 2021-03-13 op return 0;
1024 2051e653 2021-03-13 op tab->hist_cur = h;
1025 ed21a9a1 2022-01-11 op do_load_url(tab, h->h, NULL, LU_MODE_NONE);
1026 2051e653 2021-03-13 op return 1;
1027 a37d1a1c 2021-08-14 op }
1028 a37d1a1c 2021-08-14 op
1029 2051e653 2021-03-13 op void
1030 740f578b 2021-03-15 op add_to_bookmarks(const char *str)
1031 740f578b 2021-03-15 op {
1032 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_BOOKMARK_PAGE, 0,
1033 bc10f6a5 2021-07-12 op str, strlen(str)+1);
1034 c7107cec 2021-04-01 op }
1035 c6efff96 2021-08-16 op
1036 c6efff96 2021-08-16 op /*
1037 f6d7d047 2021-12-30 op * Given a user-entered URL, apply some heuristics to use it:
1038 c6efff96 2021-08-16 op *
1039 f6d7d047 2021-12-30 op * - if it's a proper url use it
1040 f6d7d047 2021-12-30 op * - if it starts with a `./' or a `/' assume its a file:// url
1041 f6d7d047 2021-12-30 op * - assume it's a gemini:// url
1042 c6efff96 2021-08-16 op *
1043 f6d7d047 2021-12-30 op * `ret' (of which len is the size) will be filled with the resulting
1044 f6d7d047 2021-12-30 op * url.
1045 c6efff96 2021-08-16 op */
1046 c6efff96 2021-08-16 op void
1047 c6efff96 2021-08-16 op humanify_url(const char *raw, char *ret, size_t len)
1048 c6efff96 2021-08-16 op {
1049 c6efff96 2021-08-16 op struct phos_uri uri;
1050 c6efff96 2021-08-16 op char buf[PATH_MAX];
1051 c7107cec 2021-04-01 op
1052 c6efff96 2021-08-16 op if (phos_parse_absolute_uri(raw, &uri)) {
1053 c6efff96 2021-08-16 op strlcpy(ret, raw, len);
1054 c6efff96 2021-08-16 op return;
1055 c6efff96 2021-08-16 op }
1056 c6efff96 2021-08-16 op
1057 c6efff96 2021-08-16 op if (has_prefix(raw, "./")) {
1058 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
1059 c6efff96 2021-08-16 op getcwd(buf, sizeof(buf));
1060 c6efff96 2021-08-16 op strlcat(ret, buf, len);
1061 c6efff96 2021-08-16 op strlcat(ret, "/", len);
1062 c6efff96 2021-08-16 op strlcat(ret, raw+2, len);
1063 c6efff96 2021-08-16 op return;
1064 c6efff96 2021-08-16 op }
1065 c6efff96 2021-08-16 op
1066 c6efff96 2021-08-16 op if (*raw == '/') {
1067 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
1068 c6efff96 2021-08-16 op strlcat(ret, raw, len);
1069 c6efff96 2021-08-16 op return;
1070 c6efff96 2021-08-16 op }
1071 c6efff96 2021-08-16 op
1072 c6efff96 2021-08-16 op strlcpy(ret, "gemini://", len);
1073 c6efff96 2021-08-16 op strlcat(ret, raw, len);
1074 c6efff96 2021-08-16 op }
1075 c6efff96 2021-08-16 op
1076 6cc5fcfe 2021-07-08 op static pid_t
1077 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
1078 6cc5fcfe 2021-07-08 op {
1079 55ccd6d0 2021-09-15 op const char *argv[5];
1080 6cc5fcfe 2021-07-08 op int argc = 0;
1081 6cc5fcfe 2021-07-08 op pid_t pid;
1082 6cc5fcfe 2021-07-08 op
1083 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
1084 6cc5fcfe 2021-07-08 op case -1:
1085 6cc5fcfe 2021-07-08 op die();
1086 6cc5fcfe 2021-07-08 op case 0:
1087 6cc5fcfe 2021-07-08 op break;
1088 6cc5fcfe 2021-07-08 op default:
1089 6cc5fcfe 2021-07-08 op close(fd);
1090 6cc5fcfe 2021-07-08 op return pid;
1091 6cc5fcfe 2021-07-08 op }
1092 6cc5fcfe 2021-07-08 op
1093 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
1094 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
1095 6cc5fcfe 2021-07-08 op
1096 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
1097 6cc5fcfe 2021-07-08 op switch (p) {
1098 6cc5fcfe 2021-07-08 op case PROC_UI:
1099 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
1100 6cc5fcfe 2021-07-08 op case PROC_FS:
1101 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
1102 6cc5fcfe 2021-07-08 op break;
1103 6cc5fcfe 2021-07-08 op case PROC_NET:
1104 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
1105 6cc5fcfe 2021-07-08 op break;
1106 6cc5fcfe 2021-07-08 op }
1107 6cc5fcfe 2021-07-08 op
1108 55ccd6d0 2021-09-15 op if (safe_mode)
1109 55ccd6d0 2021-09-15 op argv[argc++] = "-S";
1110 55ccd6d0 2021-09-15 op
1111 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
1112 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
1113 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
1114 6cc5fcfe 2021-07-08 op }
1115 6cc5fcfe 2021-07-08 op
1116 1fce2e75 2021-08-14 op int
1117 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
1118 bc10f6a5 2021-07-12 op uint16_t datalen)
1119 bc10f6a5 2021-07-12 op {
1120 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
1121 bc10f6a5 2021-07-12 op datalen);
1122 bc10f6a5 2021-07-12 op }
1123 bc10f6a5 2021-07-12 op
1124 1fce2e75 2021-08-14 op int
1125 bc10f6a5 2021-07-12 op ui_send_fs(int type, uint32_t peerid, const void *data, uint16_t datalen)
1126 bc10f6a5 2021-07-12 op {
1127 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_fs, type, peerid, 0, -1, data,
1128 bc10f6a5 2021-07-12 op datalen);
1129 bc10f6a5 2021-07-12 op }
1130 bc10f6a5 2021-07-12 op
1131 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
1132 6cc5fcfe 2021-07-08 op usage(int r)
1133 d2544989 2021-07-08 op {
1134 335cfaec 2021-09-15 op fprintf(stderr, "USAGE: %s [-ChnSv] [-c config] [url]\n",
1135 dc761924 2021-07-15 op getprogname());
1136 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
1137 6cc5fcfe 2021-07-08 op exit(r);
1138 740f578b 2021-03-15 op }
1139 740f578b 2021-03-15 op
1140 5e11c00c 2021-03-02 op int
1141 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
1142 5e11c00c 2021-03-02 op {
1143 bc10f6a5 2021-07-12 op struct imsgev net_ibuf, fs_ibuf;
1144 be97d6e6 2021-08-15 op pid_t pid;
1145 bc10f6a5 2021-07-12 op int pipe2net[2], pipe2fs[2];
1146 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
1147 6cc5fcfe 2021-07-08 op int proc = -1;
1148 5d7c642a 2021-09-15 op int sessionfd = -1;
1149 be97d6e6 2021-08-15 op int status;
1150 6cc5fcfe 2021-07-08 op const char *argv0;
1151 5e11c00c 2021-03-02 op
1152 6cc5fcfe 2021-07-08 op argv0 = argv[0];
1153 6cc5fcfe 2021-07-08 op
1154 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
1155 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
1156 5e11c00c 2021-03-02 op
1157 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
1158 d2544989 2021-07-08 op enable_colors = 0;
1159 d2544989 2021-07-08 op
1160 eb2ed626 2021-10-07 op fs_init();
1161 d2544989 2021-07-08 op
1162 dc761924 2021-07-15 op while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
1163 d2544989 2021-07-08 op switch (ch) {
1164 1853ee50 2021-07-15 op case 'C':
1165 1853ee50 2021-07-15 op exit(ui_print_colors());
1166 d2544989 2021-07-08 op case 'c':
1167 d2544989 2021-07-08 op fail = 1;
1168 eb2ed626 2021-10-07 op strlcpy(config_path, optarg, sizeof(config_path));
1169 d2544989 2021-07-08 op break;
1170 d2544989 2021-07-08 op case 'n':
1171 d2544989 2021-07-08 op configtest = 1;
1172 d2544989 2021-07-08 op break;
1173 d2544989 2021-07-08 op case 'h':
1174 6cc5fcfe 2021-07-08 op usage(0);
1175 d0971653 2021-09-15 op case 'S':
1176 d0971653 2021-09-15 op safe_mode = 1;
1177 d0971653 2021-09-15 op break;
1178 6cc5fcfe 2021-07-08 op case 'T':
1179 6cc5fcfe 2021-07-08 op switch (*optarg) {
1180 6cc5fcfe 2021-07-08 op case 'f':
1181 6cc5fcfe 2021-07-08 op proc = PROC_FS;
1182 6cc5fcfe 2021-07-08 op break;
1183 6cc5fcfe 2021-07-08 op case 'n':
1184 6cc5fcfe 2021-07-08 op proc = PROC_NET;
1185 6cc5fcfe 2021-07-08 op break;
1186 6cc5fcfe 2021-07-08 op default:
1187 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
1188 6cc5fcfe 2021-07-08 op *optarg);
1189 6cc5fcfe 2021-07-08 op }
1190 6cc5fcfe 2021-07-08 op break;
1191 dc761924 2021-07-15 op case 'v':
1192 dc761924 2021-07-15 op printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
1193 dc761924 2021-07-15 op exit(0);
1194 dc761924 2021-07-15 op break;
1195 d2544989 2021-07-08 op default:
1196 6cc5fcfe 2021-07-08 op usage(1);
1197 d2544989 2021-07-08 op }
1198 d2544989 2021-07-08 op }
1199 d2544989 2021-07-08 op
1200 d2544989 2021-07-08 op argc -= optind;
1201 d2544989 2021-07-08 op argv += optind;
1202 d2544989 2021-07-08 op
1203 6cc5fcfe 2021-07-08 op if (proc != -1) {
1204 6cc5fcfe 2021-07-08 op if (argc > 0)
1205 6cc5fcfe 2021-07-08 op usage(1);
1206 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
1207 6cc5fcfe 2021-07-08 op return fs_main();
1208 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
1209 f45bd2e3 2021-07-24 op return net_main();
1210 6cc5fcfe 2021-07-08 op else
1211 6cc5fcfe 2021-07-08 op usage(1);
1212 6cc5fcfe 2021-07-08 op }
1213 6cc5fcfe 2021-07-08 op
1214 d2544989 2021-07-08 op if (argc != 0) {
1215 d2544989 2021-07-08 op has_url = 1;
1216 c6efff96 2021-08-16 op humanify_url(argv[0], url, sizeof(url));
1217 d2544989 2021-07-08 op }
1218 d2544989 2021-07-08 op
1219 d5bdf203 2021-07-08 op /* setup keys before reading the config */
1220 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
1221 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
1222 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
1223 d5bdf203 2021-07-08 op
1224 d2544989 2021-07-08 op config_init();
1225 eb2ed626 2021-10-07 op parseconfig(config_path, fail);
1226 69f32f56 2021-08-16 op if (configtest) {
1227 d2544989 2021-07-08 op puts("config OK");
1228 d2544989 2021-07-08 op exit(0);
1229 d2544989 2021-07-08 op }
1230 d2544989 2021-07-08 op
1231 112b9046 2021-08-29 op if (download_path == NULL &&
1232 112b9046 2021-08-29 op (download_path = strdup("/tmp/")) == NULL)
1233 112b9046 2021-08-29 op errx(1, "strdup");
1234 112b9046 2021-08-29 op
1235 5d7c642a 2021-09-15 op if (!safe_mode && (sessionfd = lock_session()) == -1)
1236 d0fd368a 2021-07-15 op errx(1, "can't lock session, is another instance of "
1237 d0fd368a 2021-07-15 op "telescope already running?");
1238 d0fd368a 2021-07-15 op
1239 6cc5fcfe 2021-07-08 op /* Start children. */
1240 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2fs) == -1)
1241 5e11c00c 2021-03-02 op err(1, "socketpair");
1242 bc10f6a5 2021-07-12 op start_child(PROC_FS, argv0, pipe2fs[1]);
1243 bc10f6a5 2021-07-12 op imsg_init(&fs_ibuf.ibuf, pipe2fs[0]);
1244 bc10f6a5 2021-07-12 op iev_fs = &fs_ibuf;
1245 bc10f6a5 2021-07-12 op iev_fs->handler = handle_dispatch_imsg;
1246 5e11c00c 2021-03-02 op
1247 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
1248 35e1f40a 2021-03-14 op err(1, "socketpair");
1249 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
1250 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
1251 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
1252 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
1253 5e11c00c 2021-03-02 op
1254 37d429b0 2021-04-01 op setproctitle("ui");
1255 35e1f40a 2021-03-14 op
1256 eb722b50 2022-01-03 op /* initialize tofu store */
1257 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
1258 cbcc75fb 2021-03-17 op
1259 5e11c00c 2021-03-02 op event_init();
1260 5e11c00c 2021-03-02 op
1261 d5af38cc 2022-01-10 op /* initialize the in-memory cache store */
1262 d5af38cc 2022-01-10 op mcache_init();
1263 d5af38cc 2022-01-10 op
1264 ecfbb1d4 2021-08-14 op /* Setup event handler for the autosave */
1265 1fce2e75 2021-08-14 op autosave_init();
1266 ecfbb1d4 2021-08-14 op
1267 bc10f6a5 2021-07-12 op /* Setup event handlers for pipes to fs/net */
1268 bc10f6a5 2021-07-12 op iev_fs->events = EV_READ;
1269 bc10f6a5 2021-07-12 op event_set(&iev_fs->ev, iev_fs->ibuf.fd, iev_fs->events,
1270 bc10f6a5 2021-07-12 op iev_fs->handler, iev_fs);
1271 bc10f6a5 2021-07-12 op event_add(&iev_fs->ev, NULL);
1272 5e11c00c 2021-03-02 op
1273 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
1274 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
1275 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
1276 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
1277 d2544989 2021-07-08 op
1278 bb28f1c2 2021-12-30 op if (ui_init()) {
1279 941b3761 2021-03-18 op sandbox_ui_process();
1280 50f03682 2022-01-03 op ui_send_fs(IMSG_INIT, 0, NULL, 0);
1281 bb28f1c2 2021-12-30 op event_dispatch();
1282 941b3761 2021-03-18 op ui_end();
1283 941b3761 2021-03-18 op }
1284 5e11c00c 2021-03-02 op
1285 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_QUIT, 0, NULL, 0);
1286 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
1287 3e5fd7be 2021-07-13 op imsg_flush(&iev_fs->ibuf);
1288 a9925134 2021-07-15 op imsg_flush(&iev_net->ibuf);
1289 be97d6e6 2021-08-15 op
1290 be97d6e6 2021-08-15 op /* wait for children to terminate */
1291 be97d6e6 2021-08-15 op do {
1292 be97d6e6 2021-08-15 op pid = wait(&status);
1293 be97d6e6 2021-08-15 op if (pid == -1) {
1294 be97d6e6 2021-08-15 op if (errno != EINTR && errno != ECHILD)
1295 be97d6e6 2021-08-15 op err(1, "wait");
1296 be97d6e6 2021-08-15 op } else if (WIFSIGNALED(status))
1297 be97d6e6 2021-08-15 op warnx("child terminated; signal %d", WTERMSIG(status));
1298 be97d6e6 2021-08-15 op } while (pid != -1 || (pid == -1 && errno == EINTR));
1299 5e11c00c 2021-03-02 op
1300 5d7c642a 2021-09-15 op if (!safe_mode && close(sessionfd) == -1)
1301 5d7c642a 2021-09-15 op err(1, "close(sessionfd = %d)", sessionfd);
1302 d0fd368a 2021-07-15 op
1303 5e11c00c 2021-03-02 op return 0;
1304 5e11c00c 2021-03-02 op }