1 /* $OpenBSD: cmd.c,v 1.162 2020/06/04 07:12:05 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 #include <sys/time.h> 21 22 #include <fnmatch.h> 23 #include <paths.h> 24 #include <pwd.h> 25 #include <stdlib.h> 26 #include <string.h> 27 #include <unistd.h> 28 29 #include "tmux.h" 30 31 extern const struct cmd_entry cmd_attach_session_entry; 32 extern const struct cmd_entry cmd_bind_key_entry; 33 extern const struct cmd_entry cmd_break_pane_entry; 34 extern const struct cmd_entry cmd_capture_pane_entry; 35 extern const struct cmd_entry cmd_choose_buffer_entry; 36 extern const struct cmd_entry cmd_choose_client_entry; 37 extern const struct cmd_entry cmd_choose_tree_entry; 38 extern const struct cmd_entry cmd_clear_history_entry; 39 extern const struct cmd_entry cmd_clock_mode_entry; 40 extern const struct cmd_entry cmd_command_prompt_entry; 41 extern const struct cmd_entry cmd_confirm_before_entry; 42 extern const struct cmd_entry cmd_copy_mode_entry; 43 extern const struct cmd_entry cmd_customize_mode_entry; 44 extern const struct cmd_entry cmd_delete_buffer_entry; 45 extern const struct cmd_entry cmd_detach_client_entry; 46 extern const struct cmd_entry cmd_display_menu_entry; 47 extern const struct cmd_entry cmd_display_message_entry; 48 extern const struct cmd_entry cmd_display_popup_entry; 49 extern const struct cmd_entry cmd_display_panes_entry; 50 extern const struct cmd_entry cmd_down_pane_entry; 51 extern const struct cmd_entry cmd_find_window_entry; 52 extern const struct cmd_entry cmd_has_session_entry; 53 extern const struct cmd_entry cmd_if_shell_entry; 54 extern const struct cmd_entry cmd_join_pane_entry; 55 extern const struct cmd_entry cmd_kill_pane_entry; 56 extern const struct cmd_entry cmd_kill_server_entry; 57 extern const struct cmd_entry cmd_kill_session_entry; 58 extern const struct cmd_entry cmd_kill_window_entry; 59 extern const struct cmd_entry cmd_last_pane_entry; 60 extern const struct cmd_entry cmd_last_window_entry; 61 extern const struct cmd_entry cmd_link_window_entry; 62 extern const struct cmd_entry cmd_list_buffers_entry; 63 extern const struct cmd_entry cmd_list_clients_entry; 64 extern const struct cmd_entry cmd_list_commands_entry; 65 extern const struct cmd_entry cmd_list_keys_entry; 66 extern const struct cmd_entry cmd_list_panes_entry; 67 extern const struct cmd_entry cmd_list_sessions_entry; 68 extern const struct cmd_entry cmd_list_windows_entry; 69 extern const struct cmd_entry cmd_load_buffer_entry; 70 extern const struct cmd_entry cmd_lock_client_entry; 71 extern const struct cmd_entry cmd_lock_server_entry; 72 extern const struct cmd_entry cmd_lock_session_entry; 73 extern const struct cmd_entry cmd_move_pane_entry; 74 extern const struct cmd_entry cmd_move_window_entry; 75 extern const struct cmd_entry cmd_new_session_entry; 76 extern const struct cmd_entry cmd_new_window_entry; 77 extern const struct cmd_entry cmd_next_layout_entry; 78 extern const struct cmd_entry cmd_next_window_entry; 79 extern const struct cmd_entry cmd_paste_buffer_entry; 80 extern const struct cmd_entry cmd_pipe_pane_entry; 81 extern const struct cmd_entry cmd_previous_layout_entry; 82 extern const struct cmd_entry cmd_previous_window_entry; 83 extern const struct cmd_entry cmd_refresh_client_entry; 84 extern const struct cmd_entry cmd_rename_session_entry; 85 extern const struct cmd_entry cmd_rename_window_entry; 86 extern const struct cmd_entry cmd_resize_pane_entry; 87 extern const struct cmd_entry cmd_resize_window_entry; 88 extern const struct cmd_entry cmd_respawn_pane_entry; 89 extern const struct cmd_entry cmd_respawn_window_entry; 90 extern const struct cmd_entry cmd_rotate_window_entry; 91 extern const struct cmd_entry cmd_run_shell_entry; 92 extern const struct cmd_entry cmd_save_buffer_entry; 93 extern const struct cmd_entry cmd_select_layout_entry; 94 extern const struct cmd_entry cmd_select_pane_entry; 95 extern const struct cmd_entry cmd_select_window_entry; 96 extern const struct cmd_entry cmd_send_keys_entry; 97 extern const struct cmd_entry cmd_send_prefix_entry; 98 extern const struct cmd_entry cmd_set_buffer_entry; 99 extern const struct cmd_entry cmd_set_environment_entry; 100 extern const struct cmd_entry cmd_set_hook_entry; 101 extern const struct cmd_entry cmd_set_option_entry; 102 extern const struct cmd_entry cmd_set_window_option_entry; 103 extern const struct cmd_entry cmd_show_buffer_entry; 104 extern const struct cmd_entry cmd_show_environment_entry; 105 extern const struct cmd_entry cmd_show_hooks_entry; 106 extern const struct cmd_entry cmd_show_messages_entry; 107 extern const struct cmd_entry cmd_show_options_entry; 108 extern const struct cmd_entry cmd_show_window_options_entry; 109 extern const struct cmd_entry cmd_source_file_entry; 110 extern const struct cmd_entry cmd_split_window_entry; 111 extern const struct cmd_entry cmd_start_server_entry; 112 extern const struct cmd_entry cmd_suspend_client_entry; 113 extern const struct cmd_entry cmd_swap_pane_entry; 114 extern const struct cmd_entry cmd_swap_window_entry; 115 extern const struct cmd_entry cmd_switch_client_entry; 116 extern const struct cmd_entry cmd_unbind_key_entry; 117 extern const struct cmd_entry cmd_unlink_window_entry; 118 extern const struct cmd_entry cmd_up_pane_entry; 119 extern const struct cmd_entry cmd_wait_for_entry; 120 121 const struct cmd_entry *cmd_table[] = { 122 &cmd_attach_session_entry, 123 &cmd_bind_key_entry, 124 &cmd_break_pane_entry, 125 &cmd_capture_pane_entry, 126 &cmd_choose_buffer_entry, 127 &cmd_choose_client_entry, 128 &cmd_choose_tree_entry, 129 &cmd_clear_history_entry, 130 &cmd_clock_mode_entry, 131 &cmd_command_prompt_entry, 132 &cmd_confirm_before_entry, 133 &cmd_copy_mode_entry, 134 &cmd_customize_mode_entry, 135 &cmd_delete_buffer_entry, 136 &cmd_detach_client_entry, 137 &cmd_display_menu_entry, 138 &cmd_display_message_entry, 139 &cmd_display_popup_entry, 140 &cmd_display_panes_entry, 141 &cmd_find_window_entry, 142 &cmd_has_session_entry, 143 &cmd_if_shell_entry, 144 &cmd_join_pane_entry, 145 &cmd_kill_pane_entry, 146 &cmd_kill_server_entry, 147 &cmd_kill_session_entry, 148 &cmd_kill_window_entry, 149 &cmd_last_pane_entry, 150 &cmd_last_window_entry, 151 &cmd_link_window_entry, 152 &cmd_list_buffers_entry, 153 &cmd_list_clients_entry, 154 &cmd_list_commands_entry, 155 &cmd_list_keys_entry, 156 &cmd_list_panes_entry, 157 &cmd_list_sessions_entry, 158 &cmd_list_windows_entry, 159 &cmd_load_buffer_entry, 160 &cmd_lock_client_entry, 161 &cmd_lock_server_entry, 162 &cmd_lock_session_entry, 163 &cmd_move_pane_entry, 164 &cmd_move_window_entry, 165 &cmd_new_session_entry, 166 &cmd_new_window_entry, 167 &cmd_next_layout_entry, 168 &cmd_next_window_entry, 169 &cmd_paste_buffer_entry, 170 &cmd_pipe_pane_entry, 171 &cmd_previous_layout_entry, 172 &cmd_previous_window_entry, 173 &cmd_refresh_client_entry, 174 &cmd_rename_session_entry, 175 &cmd_rename_window_entry, 176 &cmd_resize_pane_entry, 177 &cmd_resize_window_entry, 178 &cmd_respawn_pane_entry, 179 &cmd_respawn_window_entry, 180 &cmd_rotate_window_entry, 181 &cmd_run_shell_entry, 182 &cmd_save_buffer_entry, 183 &cmd_select_layout_entry, 184 &cmd_select_pane_entry, 185 &cmd_select_window_entry, 186 &cmd_send_keys_entry, 187 &cmd_send_prefix_entry, 188 &cmd_set_buffer_entry, 189 &cmd_set_environment_entry, 190 &cmd_set_hook_entry, 191 &cmd_set_option_entry, 192 &cmd_set_window_option_entry, 193 &cmd_show_buffer_entry, 194 &cmd_show_environment_entry, 195 &cmd_show_hooks_entry, 196 &cmd_show_messages_entry, 197 &cmd_show_options_entry, 198 &cmd_show_window_options_entry, 199 &cmd_source_file_entry, 200 &cmd_split_window_entry, 201 &cmd_start_server_entry, 202 &cmd_suspend_client_entry, 203 &cmd_swap_pane_entry, 204 &cmd_swap_window_entry, 205 &cmd_switch_client_entry, 206 &cmd_unbind_key_entry, 207 &cmd_unlink_window_entry, 208 &cmd_wait_for_entry, 209 NULL 210 }; 211 212 /* Instance of a command. */ 213 struct cmd { 214 const struct cmd_entry *entry; 215 struct args *args; 216 u_int group; 217 218 char *file; 219 u_int line; 220 221 char *alias; 222 int argc; 223 char **argv; 224 225 TAILQ_ENTRY(cmd) qentry; 226 }; 227 TAILQ_HEAD(cmds, cmd); 228 229 /* Next group number for new command list. */ 230 static u_int cmd_list_next_group = 1; 231 232 /* Log an argument vector. */ 233 void printflike(3, 4) 234 cmd_log_argv(int argc, char **argv, const char *fmt, ...) 235 { 236 char *prefix; 237 va_list ap; 238 int i; 239 240 va_start(ap, fmt); 241 xvasprintf(&prefix, fmt, ap); 242 va_end(ap); 243 244 for (i = 0; i < argc; i++) 245 log_debug("%s: argv[%d]=%s", prefix, i, argv[i]); 246 free(prefix); 247 } 248 249 /* Prepend to an argument vector. */ 250 void 251 cmd_prepend_argv(int *argc, char ***argv, char *arg) 252 { 253 char **new_argv; 254 int i; 255 256 new_argv = xreallocarray(NULL, (*argc) + 1, sizeof *new_argv); 257 new_argv[0] = xstrdup(arg); 258 for (i = 0; i < *argc; i++) 259 new_argv[1 + i] = (*argv)[i]; 260 261 free(*argv); 262 *argv = new_argv; 263 (*argc)++; 264 } 265 266 /* Append to an argument vector. */ 267 void 268 cmd_append_argv(int *argc, char ***argv, char *arg) 269 { 270 *argv = xreallocarray(*argv, (*argc) + 1, sizeof **argv); 271 (*argv)[(*argc)++] = xstrdup(arg); 272 } 273 274 /* Pack an argument vector up into a buffer. */ 275 int 276 cmd_pack_argv(int argc, char **argv, char *buf, size_t len) 277 { 278 size_t arglen; 279 int i; 280 281 if (argc == 0) 282 return (0); 283 cmd_log_argv(argc, argv, "%s", __func__); 284 285 *buf = '\0'; 286 for (i = 0; i < argc; i++) { 287 if (strlcpy(buf, argv[i], len) >= len) 288 return (-1); 289 arglen = strlen(argv[i]) + 1; 290 buf += arglen; 291 len -= arglen; 292 } 293 294 return (0); 295 } 296 297 /* Unpack an argument vector from a packed buffer. */ 298 int 299 cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv) 300 { 301 int i; 302 size_t arglen; 303 304 if (argc == 0) 305 return (0); 306 *argv = xcalloc(argc, sizeof **argv); 307 308 buf[len - 1] = '\0'; 309 for (i = 0; i < argc; i++) { 310 if (len == 0) { 311 cmd_free_argv(argc, *argv); 312 return (-1); 313 } 314 315 arglen = strlen(buf) + 1; 316 (*argv)[i] = xstrdup(buf); 317 318 buf += arglen; 319 len -= arglen; 320 } 321 cmd_log_argv(argc, *argv, "%s", __func__); 322 323 return (0); 324 } 325 326 /* Copy an argument vector, ensuring it is terminated by NULL. */ 327 char ** 328 cmd_copy_argv(int argc, char **argv) 329 { 330 char **new_argv; 331 int i; 332 333 if (argc == 0) 334 return (NULL); 335 new_argv = xcalloc(argc + 1, sizeof *new_argv); 336 for (i = 0; i < argc; i++) { 337 if (argv[i] != NULL) 338 new_argv[i] = xstrdup(argv[i]); 339 } 340 return (new_argv); 341 } 342 343 /* Free an argument vector. */ 344 void 345 cmd_free_argv(int argc, char **argv) 346 { 347 int i; 348 349 if (argc == 0) 350 return; 351 for (i = 0; i < argc; i++) 352 free(argv[i]); 353 free(argv); 354 } 355 356 /* Convert argument vector to a string. */ 357 char * 358 cmd_stringify_argv(int argc, char **argv) 359 { 360 char *buf = NULL, *s; 361 size_t len = 0; 362 int i; 363 364 if (argc == 0) 365 return (xstrdup("")); 366 367 for (i = 0; i < argc; i++) { 368 s = args_escape(argv[i]); 369 log_debug("%s: %u %s = %s", __func__, i, argv[i], s); 370 371 len += strlen(s) + 1; 372 buf = xrealloc(buf, len); 373 374 if (i == 0) 375 *buf = '\0'; 376 else 377 strlcat(buf, " ", len); 378 strlcat(buf, s, len); 379 380 free(s); 381 } 382 return (buf); 383 } 384 385 /* Get entry for command. */ 386 const struct cmd_entry * 387 cmd_get_entry(struct cmd *cmd) 388 { 389 return (cmd->entry); 390 } 391 392 /* Get arguments for command. */ 393 struct args * 394 cmd_get_args(struct cmd *cmd) 395 { 396 return (cmd->args); 397 } 398 399 /* Get group for command. */ 400 u_int 401 cmd_get_group(struct cmd *cmd) 402 { 403 return (cmd->group); 404 } 405 406 /* Get file and line for command. */ 407 void 408 cmd_get_source(struct cmd *cmd, const char **file, u_int *line) 409 { 410 if (file != NULL) 411 *file = cmd->file; 412 if (line != NULL) 413 *line = cmd->line; 414 } 415 416 /* Look for an alias for a command. */ 417 char * 418 cmd_get_alias(const char *name) 419 { 420 struct options_entry *o; 421 struct options_array_item *a; 422 union options_value *ov; 423 size_t wanted, n; 424 const char *equals; 425 426 o = options_get_only(global_options, "command-alias"); 427 if (o == NULL) 428 return (NULL); 429 wanted = strlen(name); 430 431 a = options_array_first(o); 432 while (a != NULL) { 433 ov = options_array_item_value(a); 434 435 equals = strchr(ov->string, '='); 436 if (equals != NULL) { 437 n = equals - ov->string; 438 if (n == wanted && strncmp(name, ov->string, n) == 0) 439 return (xstrdup(equals + 1)); 440 } 441 442 a = options_array_next(a); 443 } 444 return (NULL); 445 } 446 447 /* Look up a command entry by name. */ 448 static const struct cmd_entry * 449 cmd_find(const char *name, char **cause) 450 { 451 const struct cmd_entry **loop, *entry, *found = NULL; 452 int ambiguous; 453 char s[8192]; 454 455 ambiguous = 0; 456 for (loop = cmd_table; *loop != NULL; loop++) { 457 entry = *loop; 458 if (entry->alias != NULL && strcmp(entry->alias, name) == 0) { 459 ambiguous = 0; 460 found = entry; 461 break; 462 } 463 464 if (strncmp(entry->name, name, strlen(name)) != 0) 465 continue; 466 if (found != NULL) 467 ambiguous = 1; 468 found = entry; 469 470 if (strcmp(entry->name, name) == 0) 471 break; 472 } 473 if (ambiguous) 474 goto ambiguous; 475 if (found == NULL) { 476 xasprintf(cause, "unknown command: %s", name); 477 return (NULL); 478 } 479 return (found); 480 481 ambiguous: 482 *s = '\0'; 483 for (loop = cmd_table; *loop != NULL; loop++) { 484 entry = *loop; 485 if (strncmp(entry->name, name, strlen(name)) != 0) 486 continue; 487 if (strlcat(s, entry->name, sizeof s) >= sizeof s) 488 break; 489 if (strlcat(s, ", ", sizeof s) >= sizeof s) 490 break; 491 } 492 s[strlen(s) - 2] = '\0'; 493 xasprintf(cause, "ambiguous command: %s, could be: %s", name, s); 494 return (NULL); 495 } 496 497 /* Parse a single command from an argument vector. */ 498 struct cmd * 499 cmd_parse(int argc, char **argv, const char *file, u_int line, char **cause) 500 { 501 const struct cmd_entry *entry; 502 const char *name; 503 struct cmd *cmd; 504 struct args *args; 505 506 if (argc == 0) { 507 xasprintf(cause, "no command"); 508 return (NULL); 509 } 510 name = argv[0]; 511 512 entry = cmd_find(name, cause); 513 if (entry == NULL) 514 return (NULL); 515 cmd_log_argv(argc, argv, "%s: %s", __func__, entry->name); 516 517 args = args_parse(entry->args.template, argc, argv); 518 if (args == NULL) 519 goto usage; 520 if (entry->args.lower != -1 && args->argc < entry->args.lower) 521 goto usage; 522 if (entry->args.upper != -1 && args->argc > entry->args.upper) 523 goto usage; 524 525 cmd = xcalloc(1, sizeof *cmd); 526 cmd->entry = entry; 527 cmd->args = args; 528 529 if (file != NULL) 530 cmd->file = xstrdup(file); 531 cmd->line = line; 532 533 cmd->alias = NULL; 534 cmd->argc = argc; 535 cmd->argv = cmd_copy_argv(argc, argv); 536 537 return (cmd); 538 539 usage: 540 if (args != NULL) 541 args_free(args); 542 xasprintf(cause, "usage: %s %s", entry->name, entry->usage); 543 return (NULL); 544 } 545 546 /* Free a command. */ 547 void 548 cmd_free(struct cmd *cmd) 549 { 550 free(cmd->alias); 551 cmd_free_argv(cmd->argc, cmd->argv); 552 553 free(cmd->file); 554 555 args_free(cmd->args); 556 free(cmd); 557 } 558 559 /* Get a command as a string. */ 560 char * 561 cmd_print(struct cmd *cmd) 562 { 563 char *out, *s; 564 565 s = args_print(cmd->args); 566 if (*s != '\0') 567 xasprintf(&out, "%s %s", cmd->entry->name, s); 568 else 569 out = xstrdup(cmd->entry->name); 570 free(s); 571 572 return (out); 573 } 574 575 /* Create a new command list. */ 576 struct cmd_list * 577 cmd_list_new(void) 578 { 579 struct cmd_list *cmdlist; 580 581 cmdlist = xcalloc(1, sizeof *cmdlist); 582 cmdlist->references = 1; 583 cmdlist->group = cmd_list_next_group++; 584 cmdlist->list = xcalloc(1, sizeof *cmdlist->list); 585 TAILQ_INIT(cmdlist->list); 586 return (cmdlist); 587 } 588 589 /* Append a command to a command list. */ 590 void 591 cmd_list_append(struct cmd_list *cmdlist, struct cmd *cmd) 592 { 593 cmd->group = cmdlist->group; 594 TAILQ_INSERT_TAIL(cmdlist->list, cmd, qentry); 595 } 596 597 /* Move all commands from one command list to another */ 598 void 599 cmd_list_move(struct cmd_list *cmdlist, struct cmd_list *from) 600 { 601 struct cmd *cmd, *cmd1; 602 603 TAILQ_FOREACH_SAFE(cmd, from->list, qentry, cmd1) { 604 TAILQ_REMOVE(from->list, cmd, qentry); 605 TAILQ_INSERT_TAIL(cmdlist->list, cmd, qentry); 606 } 607 cmdlist->group = cmd_list_next_group++; 608 } 609 610 /* Free a command list. */ 611 void 612 cmd_list_free(struct cmd_list *cmdlist) 613 { 614 struct cmd *cmd, *cmd1; 615 616 if (--cmdlist->references != 0) 617 return; 618 619 TAILQ_FOREACH_SAFE(cmd, cmdlist->list, qentry, cmd1) { 620 TAILQ_REMOVE(cmdlist->list, cmd, qentry); 621 cmd_free(cmd); 622 } 623 free(cmdlist->list); 624 free(cmdlist); 625 } 626 627 /* Get a command list as a string. */ 628 char * 629 cmd_list_print(struct cmd_list *cmdlist, int escaped) 630 { 631 struct cmd *cmd, *next; 632 char *buf, *this; 633 size_t len; 634 635 len = 1; 636 buf = xcalloc(1, len); 637 638 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 639 this = cmd_print(cmd); 640 641 len += strlen(this) + 6; 642 buf = xrealloc(buf, len); 643 644 strlcat(buf, this, len); 645 646 next = TAILQ_NEXT(cmd, qentry); 647 if (next != NULL) { 648 if (cmd->group != next->group) { 649 if (escaped) 650 strlcat(buf, " \\;\\; ", len); 651 else 652 strlcat(buf, " ;; ", len); 653 } else { 654 if (escaped) 655 strlcat(buf, " \\; ", len); 656 else 657 strlcat(buf, " ; ", len); 658 } 659 } 660 661 free(this); 662 } 663 664 return (buf); 665 } 666 667 /* Get first command in list. */ 668 struct cmd * 669 cmd_list_first(struct cmd_list *cmdlist) 670 { 671 return (TAILQ_FIRST(cmdlist->list)); 672 } 673 674 /* Get next command in list. */ 675 struct cmd * 676 cmd_list_next(struct cmd *cmd) 677 { 678 return (TAILQ_NEXT(cmd, qentry)); 679 } 680 681 /* Do all of the commands in this command list have this flag? */ 682 int 683 cmd_list_all_have(struct cmd_list *cmdlist, int flag) 684 { 685 struct cmd *cmd; 686 687 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 688 if (~cmd->entry->flags & flag) 689 return (0); 690 } 691 return (1); 692 } 693 694 /* Do any of the commands in this command list have this flag? */ 695 int 696 cmd_list_any_have(struct cmd_list *cmdlist, int flag) 697 { 698 struct cmd *cmd; 699 700 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 701 if (cmd->entry->flags & flag) 702 return (1); 703 } 704 return (0); 705 } 706 707 /* Adjust current mouse position for a pane. */ 708 int 709 cmd_mouse_at(struct window_pane *wp, struct mouse_event *m, u_int *xp, 710 u_int *yp, int last) 711 { 712 u_int x, y; 713 714 if (last) { 715 x = m->lx + m->ox; 716 y = m->ly + m->oy; 717 } else { 718 x = m->x + m->ox; 719 y = m->y + m->oy; 720 } 721 log_debug("%s: x=%u, y=%u%s", __func__, x, y, last ? " (last)" : ""); 722 723 if (m->statusat == 0 && y >= m->statuslines) 724 y -= m->statuslines; 725 726 if (x < wp->xoff || x >= wp->xoff + wp->sx) 727 return (-1); 728 if (y < wp->yoff || y >= wp->yoff + wp->sy) 729 return (-1); 730 731 if (xp != NULL) 732 *xp = x - wp->xoff; 733 if (yp != NULL) 734 *yp = y - wp->yoff; 735 return (0); 736 } 737 738 /* Get current mouse window if any. */ 739 struct winlink * 740 cmd_mouse_window(struct mouse_event *m, struct session **sp) 741 { 742 struct session *s; 743 struct window *w; 744 struct winlink *wl; 745 746 if (!m->valid) 747 return (NULL); 748 if (m->s == -1 || (s = session_find_by_id(m->s)) == NULL) 749 return (NULL); 750 if (m->w == -1) 751 wl = s->curw; 752 else { 753 if ((w = window_find_by_id(m->w)) == NULL) 754 return (NULL); 755 wl = winlink_find_by_window(&s->windows, w); 756 } 757 if (sp != NULL) 758 *sp = s; 759 return (wl); 760 } 761 762 /* Get current mouse pane if any. */ 763 struct window_pane * 764 cmd_mouse_pane(struct mouse_event *m, struct session **sp, 765 struct winlink **wlp) 766 { 767 struct winlink *wl; 768 struct window_pane *wp; 769 770 if ((wl = cmd_mouse_window(m, sp)) == NULL) 771 return (NULL); 772 if ((wp = window_pane_find_by_id(m->wp)) == NULL) 773 return (NULL); 774 if (!window_has_pane(wl->window, wp)) 775 return (NULL); 776 777 if (wlp != NULL) 778 *wlp = wl; 779 return (wp); 780 } 781 782 /* Replace the first %% or %idx in template by s. */ 783 char * 784 cmd_template_replace(const char *template, const char *s, int idx) 785 { 786 char ch, *buf; 787 const char *ptr, *cp, quote[] = "\"\\$;~"; 788 int replaced, quoted; 789 size_t len; 790 791 if (strchr(template, '%') == NULL) 792 return (xstrdup(template)); 793 794 buf = xmalloc(1); 795 *buf = '\0'; 796 len = 0; 797 replaced = 0; 798 799 ptr = template; 800 while (*ptr != '\0') { 801 switch (ch = *ptr++) { 802 case '%': 803 if (*ptr < '1' || *ptr > '9' || *ptr - '0' != idx) { 804 if (*ptr != '%' || replaced) 805 break; 806 replaced = 1; 807 } 808 ptr++; 809 810 quoted = (*ptr == '%'); 811 if (quoted) 812 ptr++; 813 814 buf = xrealloc(buf, len + (strlen(s) * 3) + 1); 815 for (cp = s; *cp != '\0'; cp++) { 816 if (quoted && strchr(quote, *cp) != NULL) 817 buf[len++] = '\\'; 818 buf[len++] = *cp; 819 } 820 buf[len] = '\0'; 821 continue; 822 } 823 buf = xrealloc(buf, len + 2); 824 buf[len++] = ch; 825 buf[len] = '\0'; 826 } 827 828 return (buf); 829 } 830