xxxterm.h

   1 /*
   2  * Copyright (c) 2011 Conformal Systems LLC <info@conformal.com>
   3  * Copyright (c) 2011 Marco Peereboom <marco@peereboom.us>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <ctype.h>
  19 #include <dlfcn.h>
  20 #include <err.h>
  21 #include <errno.h>
  22 #include <libgen.h>
  23 #include <pwd.h>
  24 #include <regex.h>
  25 #include <signal.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <unistd.h>
  30 #include <dirent.h>
  31
  32 #include <sys/types.h>
  33 #include <sys/wait.h>
  34 #if defined(__linux__)
  35 #include "linux/util.h"
  36 #include "linux/tree.h"
  37 #include <bsd/stdlib.h>
  38 # if !defined(sane_libbsd_headers)
  39 void            arc4random_buf(void *, size_t);
  40 u_int32_t       arc4random_uniform(u_int32_t);
  41 # endif
  42 #elif defined(__FreeBSD__)
  43 #include <libutil.h>
  44 #include "freebsd/util.h"
  45 #include <sys/tree.h>
  46 #else /* OpenBSD */
  47 #include <util.h>
  48 #include <sys/tree.h>
  49 #endif
  50 #include <sys/queue.h>
  51 #include <sys/resource.h>
  52 #include <sys/socket.h>
  53 #include <sys/stat.h>
  54 #include <sys/time.h>
  55 #include <sys/un.h>
  56
  57 #include <gtk/gtk.h>
  58 #include <gdk/gdkkeysyms.h>
  59
  60 #if GTK_CHECK_VERSION(3,0,0)
  61 /* we still use GDK_* instead of GDK_KEY_* */
  62 #include <gdk/gdkkeysyms-compat.h>
  63 #endif
  64
  65 #include <webkit/webkit.h>
  66 #include <libsoup/soup.h>
  67 #include <JavaScriptCore/JavaScript.h>
  68 #include <gnutls/gnutls.h>
  69 #include <gnutls/x509.h>
  70
  71 /* comment if you don't want to use threads */
  72 #define USE_THREADS
  73
  74 #ifdef USE_THREADS
  75 #include <gcrypt.h>
  76 #include <pthread.h>
  77 #endif
  78
  79 #include "version.h"
  80 #include "javascript.h"
  81 /*
  82 javascript.h borrowed from vimprobable2 under the following license:
  83
  84 Copyright (c) 2009 Leon Winter
  85 Copyright (c) 2009-2011 Hannes Schueller
  86 Copyright (c) 2009-2010 Matto Fransen
  87 Copyright (c) 2010-2011 Hans-Peter Deifel
  88 Copyright (c) 2010-2011 Thomas Adam
  89 Copyright (c) 2011 Albert Kim
  90 Copyright (c) 2011 Daniel Carl
  91
  92 Permission is hereby granted, free of charge, to any person obtaining a copy
  93 of this software and associated documentation files (the "Software"), to deal
  94 in the Software without restriction, including without limitation the rights
  95 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  96 copies of the Software, and to permit persons to whom the Software is
  97 furnished to do so, subject to the following conditions:
  98
  99 The above copyright notice and this permission notice shall be included in
 100 all copies or substantial portions of the Software.
 101
 102 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 103 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 104 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 105 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 106 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 107 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 108 THE SOFTWARE.
 109 */
 110
 111 /*#define XT_DEBUG*/
 112 #ifdef XT_DEBUG
 113 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 114 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 115 #define XT_D_MOVE               0x0001
 116 #define XT_D_KEY                0x0002
 117 #define XT_D_TAB                0x0004
 118 #define XT_D_URL                0x0008
 119 #define XT_D_CMD                0x0010
 120 #define XT_D_NAV                0x0020
 121 #define XT_D_DOWNLOAD           0x0040
 122 #define XT_D_CONFIG             0x0080
 123 #define XT_D_JS                 0x0100
 124 #define XT_D_FAVORITE           0x0200
 125 #define XT_D_PRINTING           0x0400
 126 #define XT_D_COOKIE             0x0800
 127 #define XT_D_KEYBINDING         0x1000
 128 #define XT_D_CLIP               0x2000
 129 #define XT_D_BUFFERCMD          0x4000
 130 #define XT_D_INSPECTOR          0x8000
 131 extern u_int32_t        swm_debug;
 132 #else
 133 #define DPRINTF(x...)
 134 #define DNPRINTF(n,x...)
 135 #endif
 136
 137 #define LENGTH(x)               (sizeof x / sizeof x[0])
 138 #define CLEAN(mask)             (mask & ~(GDK_MOD2_MASK) &      \
 139                                     ~(GDK_BUTTON1_MASK) &       \
 140                                     ~(GDK_BUTTON2_MASK) &       \
 141                                     ~(GDK_BUTTON3_MASK) &       \
 142                                     ~(GDK_BUTTON4_MASK) &       \
 143                                     ~(GDK_BUTTON5_MASK))
 144
 145 #define XT_NOMARKS              (('z' - 'a' + 1) * 2 + 10)
 146
 147 struct tab {
 148         TAILQ_ENTRY(tab)        entry;
 149         GtkWidget               *vbox;
 150         GtkWidget               *tab_content;
 151         struct {
 152                 GtkWidget       *label;
 153                 GtkWidget       *eventbox;
 154                 GtkWidget       *box;
 155                 GtkWidget       *sep;
 156         } tab_elems;
 157         GtkWidget               *label;
 158         GtkWidget               *spinner;
 159         GtkWidget               *uri_entry;
 160         GtkWidget               *search_entry;
 161         GtkWidget               *toolbar;
 162         GtkWidget               *browser_win;
 163         GtkWidget               *statusbar_box;
 164         struct {
 165                 GtkWidget       *statusbar;
 166                 GtkWidget       *buffercmd;
 167                 GtkWidget       *zoom;
 168                 GtkWidget       *position;
 169         } sbe;
 170         GtkWidget               *cmd;
 171         GtkWidget               *buffers;
 172         GtkWidget               *oops;
 173         GtkWidget               *backward;
 174         GtkWidget               *forward;
 175         GtkWidget               *stop;
 176         GtkWidget               *gohome;
 177         GtkWidget               *js_toggle;
 178         GtkEntryCompletion      *completion;
 179         guint                   tab_id;
 180         WebKitWebView           *wv;
 181
 182         WebKitWebHistoryItem            *item;
 183         WebKitWebBackForwardList        *bfl;
 184
 185         /* favicon */
 186         WebKitNetworkRequest    *icon_request;
 187         WebKitDownload          *icon_download;
 188         gchar                   *icon_dest_uri;
 189
 190         /* adjustments for browser */
 191         GtkScrollbar            *sb_h;
 192         GtkScrollbar            *sb_v;
 193         GtkAdjustment           *adjust_h;
 194         GtkAdjustment           *adjust_v;
 195
 196         /* flags */
 197         int                     mode;
 198 #define XT_MODE_COMMAND         (0)
 199 #define XT_MODE_INSERT          (1)
 200 #define XT_MODE_HINT            (2)
 201         int                     focus_wv;
 202         int                     ctrl_click;
 203         gchar                   *status;
 204         int                     xtp_meaning; /* identifies dls/favorites */
 205         gchar                   *tmp_uri;
 206         int                     popup; /* 1 if cmd_entry has popup visible */
 207 #ifdef USE_THREADS
 208         /* https thread stuff */
 209         GThread                 *thread;
 210 #endif
 211         /* hints */
 212         int                     script_init;
 213         int                     new_tab;
 214
 215         /* custom stylesheet */
 216         int                     styled;
 217         char                    *stylesheet;
 218
 219         /* search */
 220         char                    *search_text;
 221         int                     search_forward;
 222         guint                   search_id;
 223
 224         /* settings */
 225         WebKitWebSettings       *settings;
 226         gchar                   *user_agent;
 227
 228         /* marks */
 229         double                  mark[XT_NOMARKS];
 230
 231         /* inspector */
 232         WebKitWebInspector      *inspector;
 233         GtkWidget               *inspector_window;
 234         GtkWidget               *inspector_view;
 235 };
 236 TAILQ_HEAD(tab_list, tab);
 237
 238 struct karg {
 239         int             i;
 240         char            *s;
 241         int             precount;
 242 };
 243
 244 struct download {
 245         RB_ENTRY(download)      entry;
 246         int                     id;
 247         WebKitDownload          *download;
 248         struct tab              *tab;
 249 };
 250 RB_HEAD(download_list, download);
 251 RB_PROTOTYPE(download_list, download, entry, download_rb_cmp);
 252
 253 struct history {
 254         RB_ENTRY(history)       entry;
 255         const gchar             *uri;
 256         const gchar             *title;
 257 };
 258 RB_HEAD(history_list, history);
 259 RB_PROTOTYPE(history_list, history, entry, history_rb_cmp);
 260
 261 /* utility */
 262 #define XT_NAME                 ("XXXTerm")
 263 #define XT_CB_HANDLED           (TRUE)
 264 #define XT_CB_PASSTHROUGH       (FALSE)
 265 #define XT_FAVS_FILE            ("favorites")
 266
 267 int                     run_script(struct tab *, char *);
 268 void                    xt_icon_from_file(struct tab *, char *);
 269 GtkWidget               *create_window(const gchar *);
 270 void                    show_oops(struct tab *, const char *, ...);
 271 gchar                   *get_html_page(gchar *, gchar *, gchar *, bool);
 272 const gchar             *get_uri(struct tab *);
 273 const gchar             *get_title(struct tab *, bool);
 274
 275 void                    load_webkit_string(struct tab *, const char *, gchar *);
 276 void                    button_set_stockid(GtkWidget *, char *);
 277
 278 /* cookies */
 279 int                     remove_cookie(int);
 280 void                    print_cookie(char *msg, SoupCookie *);
 281 void                    setup_cookies(void);
 282
 283 /* proxy */
 284 #define XT_PRXY_SHOW            (1<<0)
 285 #define XT_PRXY_TOGGLE          (1<<1)
 286
 287 /* inspector */
 288 #define XT_INS_SHOW             (1<<0)
 289 #define XT_INS_HIDE             (1<<1)
 290 #define XT_INS_CLOSE            (1<<2)
 291
 292 WebKitWebView*          inspector_inspect_web_view_cb(WebKitWebInspector *,
 293                             WebKitWebView*, struct tab *);
 294 void                    setup_inspector(struct tab *);
 295 int                     inspector_cmd(struct tab *, struct karg *);
 296
 297 /* about */
 298 #define XT_XTP_STR              "xxxt://"
 299 #define XT_URI_ABOUT            ("about:")
 300 #define XT_URI_ABOUT_LEN        (strlen(XT_URI_ABOUT))
 301 #define XT_URI_ABOUT_ABOUT      ("about")
 302 #define XT_URI_ABOUT_BLANK      ("blank")
 303 #define XT_URI_ABOUT_CERTS      ("certs")
 304 #define XT_URI_ABOUT_COOKIEWL   ("cookiewl")
 305 #define XT_URI_ABOUT_COOKIEJAR  ("cookiejar")
 306 #define XT_URI_ABOUT_DOWNLOADS  ("downloads")
 307 #define XT_URI_ABOUT_FAVORITES  ("favorites")
 308 #define XT_URI_ABOUT_HELP       ("help")
 309 #define XT_URI_ABOUT_HISTORY    ("history")
 310 #define XT_URI_ABOUT_JSWL       ("jswl")
 311 #define XT_URI_ABOUT_PLUGINWL   ("plwl")
 312 #define XT_URI_ABOUT_SET        ("set")
 313 #define XT_URI_ABOUT_STATS      ("stats")
 314 #define XT_URI_ABOUT_MARCO      ("marco")
 315 #define XT_URI_ABOUT_STARTPAGE  ("startpage")
 316
 317 struct about_type {
 318         char            *name;
 319         int             (*func)(struct tab *, struct karg *);
 320 };
 321
 322 struct sp {
 323         char                    *line;
 324         TAILQ_ENTRY(sp)         entry;
 325 };
 326 TAILQ_HEAD(sp_list, sp);
 327
 328 int                     blank(struct tab *, struct karg *);
 329 int                     help(struct tab *, struct karg *);
 330 int                     about(struct tab *, struct karg *);
 331 int                     stats(struct tab *, struct karg *);
 332 void                    show_certs(struct tab *, gnutls_x509_crt_t *,
 333                             size_t, char *);
 334 int                     ca_cmd(struct tab *, struct karg *);
 335 int                     cookie_show_wl(struct tab *, struct karg *);
 336 int                     xtp_page_cl(struct tab *, struct karg *);
 337 int                     xtp_page_dl(struct tab *, struct karg *);
 338 int                     xtp_page_fl(struct tab *, struct karg *);
 339 int                     xtp_page_hl(struct tab *, struct karg *);
 340 int                     parse_xtp_url(struct tab *, const char *);
 341 int                     add_favorite(struct tab *, struct karg *);
 342 void                    update_favorite_tabs(struct tab *);
 343 void                    update_history_tabs(struct tab *);
 344 void                    update_download_tabs(struct tab *);
 345 void                    xtp_generate_keys(void);
 346 size_t                  about_list_size(void);
 347 int                     cookie_cmd(struct tab *, struct karg *);
 348 int                     js_cmd(struct tab *, struct karg *);
 349 int                     pl_cmd(struct tab *, struct karg *);
 350 void                    startpage_add(const char *, ...);
 351
 352 /*
 353  * xtp tab meanings
 354  * identifies which tabs have xtp pages in (corresponding to about_list indices)
 355  */
 356 #define XT_XTP_TAB_MEANING_NORMAL       (-1) /* normal url */
 357 #define XT_XTP_TAB_MEANING_BL           (1)  /* about:blank in this tab */
 358 #define XT_XTP_TAB_MEANING_CL           (4)  /* cookie manager in this tab */
 359 #define XT_XTP_TAB_MEANING_DL           (5)  /* download manager in this tab */
 360 #define XT_XTP_TAB_MEANING_FL           (6)  /* favorite manager in this tab */
 361 #define XT_XTP_TAB_MEANING_HL           (8)  /* history manager in this tab */
 362
 363 /* whitelists */
 364 #define XT_WL_TOGGLE            (1<<0)
 365 #define XT_WL_ENABLE            (1<<1)
 366 #define XT_WL_DISABLE           (1<<2)
 367 #define XT_WL_FQDN              (1<<3) /* default */
 368 #define XT_WL_TOPLEVEL          (1<<4)
 369 #define XT_WL_PERSISTENT        (1<<5)
 370 #define XT_WL_SESSION           (1<<6)
 371 #define XT_WL_RELOAD            (1<<7)
 372 #define XT_SHOW                 (1<<8)
 373 #define XT_DELETE               (1<<9)
 374 #define XT_SAVE                 (1<<10)
 375 #define XT_OPEN                 (1<<11)
 376
 377 #define XT_WL_INVALID           (0)
 378 #define XT_WL_JAVASCRIPT        (1)
 379 #define XT_WL_COOKIE            (2)
 380 #define XT_WL_PLUGIN            (3)
 381
 382 struct domain {
 383         RB_ENTRY(domain)        entry;
 384         gchar                   *d;
 385         int                     handy; /* app use */
 386 };
 387 RB_HEAD(domain_list, domain);
 388 RB_PROTOTYPE(domain_list, domain, entry, domain_rb_cmp);
 389
 390 int                     wl_show(struct tab *, struct karg *, char *,
 391                             struct domain_list *);
 392
 393 /* uri aliases */
 394 struct alias {
 395         char                    *a_name;
 396         char                    *a_uri;
 397         TAILQ_ENTRY(alias)       entry;
 398 };
 399 TAILQ_HEAD(alias_list, alias);
 400
 401 /* mime types */
 402 struct mime_type {
 403         char                    *mt_type;
 404         char                    *mt_action;
 405         int                     mt_default;
 406         int                     mt_download;
 407         TAILQ_ENTRY(mime_type)  entry;
 408 };
 409 TAILQ_HEAD(mime_type_list, mime_type);
 410
 411 struct domain * wl_find(const gchar *, struct domain_list *);
 412 int             wl_save(struct tab *, struct karg *, int);
 413 int             toggle_cwl(struct tab *, struct karg *);
 414 int             toggle_js(struct tab *, struct karg *);
 415 int             toggle_pl(struct tab *, struct karg *);
 416
 417 /* input autofocus */
 418 void            input_autofocus(struct tab *);
 419 void            input_focus_blur(struct tab *, void *);
 420 void            *input_check_mode(struct tab *);
 421 int             command_mode(struct tab *, struct karg *);
 422
 423 /* settings */
 424 #define XT_BM_NORMAL            (0)
 425 #define XT_BM_WHITELIST         (1)
 426 #define XT_BM_KIOSK             (2)
 427
 428 #define XT_TABS_NORMAL          (0)
 429 #define XT_TABS_COMPACT         (1)
 430
 431 #define XT_EM_HYBRID            (0)
 432 #define XT_EM_VI                (1)
 433
 434 #define CTRL                    GDK_CONTROL_MASK
 435 #define MOD1                    GDK_MOD1_MASK
 436 #define SHFT                    GDK_SHIFT_MASK
 437
 438 struct key_binding {
 439         char                            *cmd;
 440         guint                           mask;
 441         guint                           use_in_entry;
 442         guint                           key;
 443         TAILQ_ENTRY(key_binding)        entry;  /* in bss so no need to init */
 444 };
 445 TAILQ_HEAD(keybinding_list, key_binding);
 446
 447 struct settings {
 448         char            *name;
 449         int             type;
 450 #define XT_S_INVALID    (0)
 451 #define XT_S_INT        (1)
 452 #define XT_S_STR        (2)
 453 #define XT_S_FLOAT      (3)
 454         uint32_t        flags;
 455 #define XT_SF_RESTART   (1<<0)
 456 #define XT_SF_RUNTIME   (1<<1)
 457         int             *ival;
 458         char            **sval;
 459         struct special  *s;
 460         gfloat          *fval;
 461         int             (*activate)(char *);
 462 };
 463
 464 int             set(struct tab *, struct karg *);
 465 size_t          get_settings_size(void);
 466 int             settings_add(char *, char *);
 467 void            setup_proxy(char *);
 468 int             set_browser_mode(struct settings *, char *);
 469 int             set_cookie_policy(struct settings *, char *);
 470 char            *get_browser_mode(struct settings *);
 471 char            *get_cookie_policy(struct settings *);
 472 void            init_keybindings(void);
 473 void            config_parse(char *, int);
 474 char            *get_setting_name(int);
 475
 476 extern int      tabless;
 477 extern int      enable_socket;
 478 extern int      single_instance;
 479 extern int      fancy_bar;
 480 extern int      browser_mode;
 481 extern int      enable_localstorage;
 482 extern char     *statusbar_elems;
 483
 484 extern int      show_tabs;
 485 extern int      tab_style;
 486 extern int      show_url;
 487 extern int      show_statusbar;
 488 extern int      ctrl_click_focus;
 489 extern int      cookies_enabled;
 490 extern int      read_only_cookies;
 491 extern int      enable_scripts;
 492 extern int      enable_plugins;
 493 extern gfloat   default_zoom_level;
 494 extern char     default_script[PATH_MAX];
 495 extern int      window_height;
 496 extern int      window_width;
 497 extern int      icon_size;
 498 extern int      refresh_interval;
 499 extern int      enable_plugin_whitelist;
 500 extern int      enable_cookie_whitelist;
 501 extern int      enable_js_whitelist;
 502 extern int      session_timeout;
 503 extern int      cookie_policy;
 504 extern char     *ssl_ca_file;
 505 extern char     *resource_dir;
 506 extern gboolean ssl_strict_certs;
 507 extern int      append_next;
 508 extern char     *home;
 509 extern char     *search_string;
 510 extern char     *http_proxy;
 511 extern char     download_dir[PATH_MAX];
 512 extern char     runtime_settings[PATH_MAX];
 513 extern int      allow_volatile_cookies;
 514 extern int      save_global_history;
 515 extern char     *user_agent;
 516 extern int      save_rejected_cookies;
 517 extern int      session_autosave;
 518 extern int      guess_search;
 519 extern int      dns_prefetch;
 520 extern gint     max_connections;
 521 extern gint     max_host_connections;
 522 extern gint     enable_spell_checking;
 523 extern char     *spell_check_languages;
 524 extern int      xterm_workaround;
 525 extern char     *url_regex;
 526 extern int      history_autosave;
 527 extern char     search_file[PATH_MAX];
 528 extern char     command_file[PATH_MAX];
 529 extern char     *encoding;
 530 extern int      autofocus_onload;
 531 extern int      js_autorun_enabled;
 532 extern char     *cmd_font_name;
 533 extern char     *oops_font_name;
 534 extern char     *statusbar_font_name;
 535 extern char     *tabbar_font_name;
 536 extern int      edit_mode;
 537
 538 /* globals */
 539 extern char             *version;
 540 extern char             *icons[];
 541 extern char             rc_fname[PATH_MAX];
 542 extern char             work_dir[PATH_MAX];
 543 extern struct passwd    *pwd;
 544 long long unsigned int  blocked_cookies;
 545 extern SoupCookieJar    *s_cookiejar;
 546 extern SoupCookieJar    *p_cookiejar;
 547 extern SoupSession      *session;
 548 extern GtkNotebook      *notebook;
 549
 550 extern void     (*_soup_cookie_jar_add_cookie)(SoupCookieJar *, SoupCookie *);
 551
 552 extern struct history_list      hl;
 553 extern struct download_list     downloads;
 554 extern struct tab_list          tabs;
 555 extern struct about_type        about_list[];
 556 extern struct domain_list       c_wl;
 557 extern struct domain_list       js_wl;
 558 extern struct domain_list       pl_wl;
 559 extern struct alias_list        aliases;
 560 extern struct mime_type_list    mtl;
 561 extern struct keybinding_list   kbl;
 562 extern struct sp_list           spl;
 563
 564 extern PangoFontDescription     *cmd_font;
 565 extern PangoFontDescription     *oops_font;
 566 extern PangoFontDescription     *statusbar_font;
 567 extern PangoFontDescription     *tabbar_font;