1 /* $OpenBSD$ */ 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 <pwd.h> 24 #include <stdlib.h> 25 #include <string.h> 26 #include <unistd.h> 27 28 #include "tmux.h" 29 30 extern const struct cmd_entry cmd_attach_session_entry; 31 extern const struct cmd_entry cmd_bind_key_entry; 32 extern const struct cmd_entry cmd_break_pane_entry; 33 extern const struct cmd_entry cmd_capture_pane_entry; 34 extern const struct cmd_entry cmd_choose_buffer_entry; 35 extern const struct cmd_entry cmd_choose_client_entry; 36 extern const struct cmd_entry cmd_choose_tree_entry; 37 extern const struct cmd_entry cmd_clear_history_entry; 38 extern const struct cmd_entry cmd_clear_prompt_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_server_access_entry; 99 extern const struct cmd_entry cmd_set_buffer_entry; 100 extern const struct cmd_entry cmd_set_environment_entry; 101 extern const struct cmd_entry cmd_set_hook_entry; 102 extern const struct cmd_entry cmd_set_option_entry; 103 extern const struct cmd_entry cmd_set_window_option_entry; 104 extern const struct cmd_entry cmd_show_buffer_entry; 105 extern const struct cmd_entry cmd_show_environment_entry; 106 extern const struct cmd_entry cmd_show_hooks_entry; 107 extern const struct cmd_entry cmd_show_messages_entry; 108 extern const struct cmd_entry cmd_show_options_entry; 109 extern const struct cmd_entry cmd_show_prompt_history_entry; 110 extern const struct cmd_entry cmd_show_window_options_entry; 111 extern const struct cmd_entry cmd_source_file_entry; 112 extern const struct cmd_entry cmd_split_window_entry; 113 extern const struct cmd_entry cmd_start_server_entry; 114 extern const struct cmd_entry cmd_suspend_client_entry; 115 extern const struct cmd_entry cmd_swap_pane_entry; 116 extern const struct cmd_entry cmd_swap_window_entry; 117 extern const struct cmd_entry cmd_switch_client_entry; 118 extern const struct cmd_entry cmd_unbind_key_entry; 119 extern const struct cmd_entry cmd_unlink_window_entry; 120 extern const struct cmd_entry cmd_up_pane_entry; 121 extern const struct cmd_entry cmd_wait_for_entry; 122 123 const struct cmd_entry *cmd_table[] = { 124 &cmd_attach_session_entry, 125 &cmd_bind_key_entry, 126 &cmd_break_pane_entry, 127 &cmd_capture_pane_entry, 128 &cmd_choose_buffer_entry, 129 &cmd_choose_client_entry, 130 &cmd_choose_tree_entry, 131 &cmd_clear_history_entry, 132 &cmd_clear_prompt_history_entry, 133 &cmd_clock_mode_entry, 134 &cmd_command_prompt_entry, 135 &cmd_confirm_before_entry, 136 &cmd_copy_mode_entry, 137 &cmd_customize_mode_entry, 138 &cmd_delete_buffer_entry, 139 &cmd_detach_client_entry, 140 &cmd_display_menu_entry, 141 &cmd_display_message_entry, 142 &cmd_display_popup_entry, 143 &cmd_display_panes_entry, 144 &cmd_find_window_entry, 145 &cmd_has_session_entry, 146 &cmd_if_shell_entry, 147 &cmd_join_pane_entry, 148 &cmd_kill_pane_entry, 149 &cmd_kill_server_entry, 150 &cmd_kill_session_entry, 151 &cmd_kill_window_entry, 152 &cmd_last_pane_entry, 153 &cmd_last_window_entry, 154 &cmd_link_window_entry, 155 &cmd_list_buffers_entry, 156 &cmd_list_clients_entry, 157 &cmd_list_commands_entry, 158 &cmd_list_keys_entry, 159 &cmd_list_panes_entry, 160 &cmd_list_sessions_entry, 161 &cmd_list_windows_entry, 162 &cmd_load_buffer_entry, 163 &cmd_lock_client_entry, 164 &cmd_lock_server_entry, 165 &cmd_lock_session_entry, 166 &cmd_move_pane_entry, 167 &cmd_move_window_entry, 168 &cmd_new_session_entry, 169 &cmd_new_window_entry, 170 &cmd_next_layout_entry, 171 &cmd_next_window_entry, 172 &cmd_paste_buffer_entry, 173 &cmd_pipe_pane_entry, 174 &cmd_previous_layout_entry, 175 &cmd_previous_window_entry, 176 &cmd_refresh_client_entry, 177 &cmd_rename_session_entry, 178 &cmd_rename_window_entry, 179 &cmd_resize_pane_entry, 180 &cmd_resize_window_entry, 181 &cmd_respawn_pane_entry, 182 &cmd_respawn_window_entry, 183 &cmd_rotate_window_entry, 184 &cmd_run_shell_entry, 185 &cmd_save_buffer_entry, 186 &cmd_select_layout_entry, 187 &cmd_select_pane_entry, 188 &cmd_select_window_entry, 189 &cmd_send_keys_entry, 190 &cmd_send_prefix_entry, 191 &cmd_server_access_entry, 192 &cmd_set_buffer_entry, 193 &cmd_set_environment_entry, 194 &cmd_set_hook_entry, 195 &cmd_set_option_entry, 196 &cmd_set_window_option_entry, 197 &cmd_show_buffer_entry, 198 &cmd_show_environment_entry, 199 &cmd_show_hooks_entry, 200 &cmd_show_messages_entry, 201 &cmd_show_options_entry, 202 &cmd_show_prompt_history_entry, 203 &cmd_show_window_options_entry, 204 &cmd_source_file_entry, 205 &cmd_split_window_entry, 206 &cmd_start_server_entry, 207 &cmd_suspend_client_entry, 208 &cmd_swap_pane_entry, 209 &cmd_swap_window_entry, 210 &cmd_switch_client_entry, 211 &cmd_unbind_key_entry, 212 &cmd_unlink_window_entry, 213 &cmd_wait_for_entry, 214 NULL 215 }; 216 217 /* Instance of a command. */ 218 struct cmd { 219 const struct cmd_entry *entry; 220 struct args *args; 221 u_int group; 222 223 char *file; 224 u_int line; 225 226 TAILQ_ENTRY(cmd) qentry; 227 }; 228 TAILQ_HEAD(cmds, cmd); 229 230 /* Next group number for new command list. */ 231 static u_int cmd_list_next_group = 1; 232 233 /* Log an argument vector. */ 234 void printflike(3, 4) 235 cmd_log_argv(int argc, char **argv, const char *fmt, ...) 236 { 237 char *prefix; 238 va_list ap; 239 int i; 240 241 va_start(ap, fmt); 242 xvasprintf(&prefix, fmt, ap); 243 va_end(ap); 244 245 for (i = 0; i < argc; i++) 246 log_debug("%s: argv[%d]=%s", prefix, i, argv[i]); 247 free(prefix); 248 } 249 250 /* Prepend to an argument vector. */ 251 void 252 cmd_prepend_argv(int *argc, char ***argv, const char *arg) 253 { 254 char **new_argv; 255 int i; 256 257 new_argv = xreallocarray(NULL, (*argc) + 1, sizeof *new_argv); 258 new_argv[0] = xstrdup(arg); 259 for (i = 0; i < *argc; i++) 260 new_argv[1 + i] = (*argv)[i]; 261 262 free(*argv); 263 *argv = new_argv; 264 (*argc)++; 265 } 266 267 /* Append to an argument vector. */ 268 void 269 cmd_append_argv(int *argc, char ***argv, const char *arg) 270 { 271 *argv = xreallocarray(*argv, (*argc) + 1, sizeof **argv); 272 (*argv)[(*argc)++] = xstrdup(arg); 273 } 274 275 /* Pack an argument vector up into a buffer. */ 276 int 277 cmd_pack_argv(int argc, char **argv, char *buf, size_t len) 278 { 279 size_t arglen; 280 int i; 281 282 if (argc == 0) 283 return (0); 284 cmd_log_argv(argc, argv, "%s", __func__); 285 286 *buf = '\0'; 287 for (i = 0; i < argc; i++) { 288 if (strlcpy(buf, argv[i], len) >= len) 289 return (-1); 290 arglen = strlen(argv[i]) + 1; 291 buf += arglen; 292 len -= arglen; 293 } 294 295 return (0); 296 } 297 298 /* Unpack an argument vector from a packed buffer. */ 299 int 300 cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv) 301 { 302 int i; 303 size_t arglen; 304 305 if (argc == 0) 306 return (0); 307 *argv = xcalloc(argc, sizeof **argv); 308 309 buf[len - 1] = '\0'; 310 for (i = 0; i < argc; i++) { 311 if (len == 0) { 312 cmd_free_argv(argc, *argv); 313 return (-1); 314 } 315 316 arglen = strlen(buf) + 1; 317 (*argv)[i] = xstrdup(buf); 318 319 buf += arglen; 320 len -= arglen; 321 } 322 cmd_log_argv(argc, *argv, "%s", __func__); 323 324 return (0); 325 } 326 327 /* Copy an argument vector, ensuring it is terminated by NULL. */ 328 char ** 329 cmd_copy_argv(int argc, char **argv) 330 { 331 char **new_argv; 332 int i; 333 334 if (argc == 0) 335 return (NULL); 336 new_argv = xcalloc(argc + 1, sizeof *new_argv); 337 for (i = 0; i < argc; i++) { 338 if (argv[i] != NULL) 339 new_argv[i] = xstrdup(argv[i]); 340 } 341 return (new_argv); 342 } 343 344 /* Free an argument vector. */ 345 void 346 cmd_free_argv(int argc, char **argv) 347 { 348 int i; 349 350 if (argc == 0) 351 return; 352 for (i = 0; i < argc; i++) 353 free(argv[i]); 354 free(argv); 355 } 356 357 /* Convert argument vector to a string. */ 358 char * 359 cmd_stringify_argv(int argc, char **argv) 360 { 361 char *buf = NULL, *s; 362 size_t len = 0; 363 int i; 364 365 if (argc == 0) 366 return (xstrdup("")); 367 368 for (i = 0; i < argc; i++) { 369 s = args_escape(argv[i]); 370 log_debug("%s: %u %s = %s", __func__, i, argv[i], s); 371 372 len += strlen(s) + 1; 373 buf = xrealloc(buf, len); 374 375 if (i == 0) 376 *buf = '\0'; 377 else 378 strlcat(buf, " ", len); 379 strlcat(buf, s, len); 380 381 free(s); 382 } 383 return (buf); 384 } 385 386 /* Get entry for command. */ 387 const struct cmd_entry * 388 cmd_get_entry(struct cmd *cmd) 389 { 390 return (cmd->entry); 391 } 392 393 /* Get arguments for command. */ 394 struct args * 395 cmd_get_args(struct cmd *cmd) 396 { 397 return (cmd->args); 398 } 399 400 /* Get group for command. */ 401 u_int 402 cmd_get_group(struct cmd *cmd) 403 { 404 return (cmd->group); 405 } 406 407 /* Get file and line for command. */ 408 void 409 cmd_get_source(struct cmd *cmd, const char **file, u_int *line) 410 { 411 if (file != NULL) 412 *file = cmd->file; 413 if (line != NULL) 414 *line = cmd->line; 415 } 416 417 /* Look for an alias for a command. */ 418 char * 419 cmd_get_alias(const char *name) 420 { 421 struct options_entry *o; 422 struct options_array_item *a; 423 union options_value *ov; 424 size_t wanted, n; 425 const char *equals; 426 427 o = options_get_only(global_options, "command-alias"); 428 if (o == NULL) 429 return (NULL); 430 wanted = strlen(name); 431 432 a = options_array_first(o); 433 while (a != NULL) { 434 ov = options_array_item_value(a); 435 436 equals = strchr(ov->string, '='); 437 if (equals != NULL) { 438 n = equals - ov->string; 439 if (n == wanted && strncmp(name, ov->string, n) == 0) 440 return (xstrdup(equals + 1)); 441 } 442 443 a = options_array_next(a); 444 } 445 return (NULL); 446 } 447 448 /* Look up a command entry by name. */ 449 static const struct cmd_entry * 450 cmd_find(const char *name, char **cause) 451 { 452 const struct cmd_entry **loop, *entry, *found = NULL; 453 int ambiguous; 454 char s[8192]; 455 456 ambiguous = 0; 457 for (loop = cmd_table; *loop != NULL; loop++) { 458 entry = *loop; 459 if (entry->alias != NULL && strcmp(entry->alias, name) == 0) { 460 ambiguous = 0; 461 found = entry; 462 break; 463 } 464 465 if (strncmp(entry->name, name, strlen(name)) != 0) 466 continue; 467 if (found != NULL) 468 ambiguous = 1; 469 found = entry; 470 471 if (strcmp(entry->name, name) == 0) 472 break; 473 } 474 if (ambiguous) 475 goto ambiguous; 476 if (found == NULL) { 477 xasprintf(cause, "unknown command: %s", name); 478 return (NULL); 479 } 480 return (found); 481 482 ambiguous: 483 *s = '\0'; 484 for (loop = cmd_table; *loop != NULL; loop++) { 485 entry = *loop; 486 if (strncmp(entry->name, name, strlen(name)) != 0) 487 continue; 488 if (strlcat(s, entry->name, sizeof s) >= sizeof s) 489 break; 490 if (strlcat(s, ", ", sizeof s) >= sizeof s) 491 break; 492 } 493 s[strlen(s) - 2] = '\0'; 494 xasprintf(cause, "ambiguous command: %s, could be: %s", name, s); 495 return (NULL); 496 } 497 498 /* Parse a single command from an argument vector. */ 499 struct cmd * 500 cmd_parse(struct args_value *values, u_int count, const char *file, u_int line, 501 char **cause) 502 { 503 const struct cmd_entry *entry; 504 struct cmd *cmd; 505 struct args *args; 506 char *error = NULL; 507 508 if (count == 0 || values[0].type != ARGS_STRING) { 509 xasprintf(cause, "no command"); 510 return (NULL); 511 } 512 entry = cmd_find(values[0].string, cause); 513 if (entry == NULL) 514 return (NULL); 515 516 args = args_parse(&entry->args, values, count, &error); 517 if (args == NULL && error == NULL) { 518 xasprintf(cause, "usage: %s %s", entry->name, entry->usage); 519 return (NULL); 520 } 521 if (args == NULL) { 522 xasprintf(cause, "command %s: %s", entry->name, error); 523 free(error); 524 return (NULL); 525 } 526 527 cmd = xcalloc(1, sizeof *cmd); 528 cmd->entry = entry; 529 cmd->args = args; 530 531 if (file != NULL) 532 cmd->file = xstrdup(file); 533 cmd->line = line; 534 535 return (cmd); 536 } 537 538 /* Free a command. */ 539 void 540 cmd_free(struct cmd *cmd) 541 { 542 free(cmd->file); 543 544 args_free(cmd->args); 545 free(cmd); 546 } 547 548 /* Copy a command. */ 549 struct cmd * 550 cmd_copy(struct cmd *cmd, int argc, char **argv) 551 { 552 struct cmd *new_cmd; 553 554 new_cmd = xcalloc(1, sizeof *new_cmd); 555 new_cmd->entry = cmd->entry; 556 new_cmd->args = args_copy(cmd->args, argc, argv); 557 558 if (cmd->file != NULL) 559 new_cmd->file = xstrdup(cmd->file); 560 new_cmd->line = cmd->line; 561 562 return (new_cmd); 563 } 564 565 /* Get a command as a string. */ 566 char * 567 cmd_print(struct cmd *cmd) 568 { 569 char *out, *s; 570 571 s = args_print(cmd->args); 572 if (*s != '\0') 573 xasprintf(&out, "%s %s", cmd->entry->name, s); 574 else 575 out = xstrdup(cmd->entry->name); 576 free(s); 577 578 return (out); 579 } 580 581 /* Create a new command list. */ 582 struct cmd_list * 583 cmd_list_new(void) 584 { 585 struct cmd_list *cmdlist; 586 587 cmdlist = xcalloc(1, sizeof *cmdlist); 588 cmdlist->references = 1; 589 cmdlist->group = cmd_list_next_group++; 590 cmdlist->list = xcalloc(1, sizeof *cmdlist->list); 591 TAILQ_INIT(cmdlist->list); 592 return (cmdlist); 593 } 594 595 /* Append a command to a command list. */ 596 void 597 cmd_list_append(struct cmd_list *cmdlist, struct cmd *cmd) 598 { 599 cmd->group = cmdlist->group; 600 TAILQ_INSERT_TAIL(cmdlist->list, cmd, qentry); 601 } 602 603 /* Append all commands from one list to another. */ 604 void 605 cmd_list_append_all(struct cmd_list *cmdlist, struct cmd_list *from) 606 { 607 struct cmd *cmd; 608 609 TAILQ_FOREACH(cmd, from->list, qentry) 610 cmd->group = cmdlist->group; 611 TAILQ_CONCAT(cmdlist->list, from->list, qentry); 612 } 613 614 /* Move all commands from one command list to another. */ 615 void 616 cmd_list_move(struct cmd_list *cmdlist, struct cmd_list *from) 617 { 618 TAILQ_CONCAT(cmdlist->list, from->list, qentry); 619 cmdlist->group = cmd_list_next_group++; 620 } 621 622 /* Free a command list. */ 623 void 624 cmd_list_free(struct cmd_list *cmdlist) 625 { 626 struct cmd *cmd, *cmd1; 627 628 if (--cmdlist->references != 0) 629 return; 630 631 TAILQ_FOREACH_SAFE(cmd, cmdlist->list, qentry, cmd1) { 632 TAILQ_REMOVE(cmdlist->list, cmd, qentry); 633 cmd_free(cmd); 634 } 635 free(cmdlist->list); 636 free(cmdlist); 637 } 638 639 /* Copy a command list, expanding %s in arguments. */ 640 struct cmd_list * 641 cmd_list_copy(struct cmd_list *cmdlist, int argc, char **argv) 642 { 643 struct cmd *cmd; 644 struct cmd_list *new_cmdlist; 645 struct cmd *new_cmd; 646 u_int group = cmdlist->group; 647 char *s; 648 649 s = cmd_list_print(cmdlist, 0); 650 log_debug("%s: %s", __func__, s); 651 free(s); 652 653 new_cmdlist = cmd_list_new(); 654 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 655 if (cmd->group != group) { 656 new_cmdlist->group = cmd_list_next_group++; 657 group = cmd->group; 658 } 659 new_cmd = cmd_copy(cmd, argc, argv); 660 cmd_list_append(new_cmdlist, new_cmd); 661 } 662 663 s = cmd_list_print(new_cmdlist, 0); 664 log_debug("%s: %s", __func__, s); 665 free(s); 666 667 return (new_cmdlist); 668 } 669 670 /* Get a command list as a string. */ 671 char * 672 cmd_list_print(struct cmd_list *cmdlist, int escaped) 673 { 674 struct cmd *cmd, *next; 675 char *buf, *this; 676 size_t len; 677 678 len = 1; 679 buf = xcalloc(1, len); 680 681 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 682 this = cmd_print(cmd); 683 684 len += strlen(this) + 6; 685 buf = xrealloc(buf, len); 686 687 strlcat(buf, this, len); 688 689 next = TAILQ_NEXT(cmd, qentry); 690 if (next != NULL) { 691 if (cmd->group != next->group) { 692 if (escaped) 693 strlcat(buf, " \\;\\; ", len); 694 else 695 strlcat(buf, " ;; ", len); 696 } else { 697 if (escaped) 698 strlcat(buf, " \\; ", len); 699 else 700 strlcat(buf, " ; ", len); 701 } 702 } 703 704 free(this); 705 } 706 707 return (buf); 708 } 709 710 /* Get first command in list. */ 711 struct cmd * 712 cmd_list_first(struct cmd_list *cmdlist) 713 { 714 return (TAILQ_FIRST(cmdlist->list)); 715 } 716 717 /* Get next command in list. */ 718 struct cmd * 719 cmd_list_next(struct cmd *cmd) 720 { 721 return (TAILQ_NEXT(cmd, qentry)); 722 } 723 724 /* Do all of the commands in this command list have this flag? */ 725 int 726 cmd_list_all_have(struct cmd_list *cmdlist, int flag) 727 { 728 struct cmd *cmd; 729 730 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 731 if (~cmd->entry->flags & flag) 732 return (0); 733 } 734 return (1); 735 } 736 737 /* Do any of the commands in this command list have this flag? */ 738 int 739 cmd_list_any_have(struct cmd_list *cmdlist, int flag) 740 { 741 struct cmd *cmd; 742 743 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 744 if (cmd->entry->flags & flag) 745 return (1); 746 } 747 return (0); 748 } 749 750 /* Adjust current mouse position for a pane. */ 751 int 752 cmd_mouse_at(struct window_pane *wp, struct mouse_event *m, u_int *xp, 753 u_int *yp, int last) 754 { 755 u_int x, y; 756 757 if (last) { 758 x = m->lx + m->ox; 759 y = m->ly + m->oy; 760 } else { 761 x = m->x + m->ox; 762 y = m->y + m->oy; 763 } 764 log_debug("%s: x=%u, y=%u%s", __func__, x, y, last ? " (last)" : ""); 765 766 if (m->statusat == 0 && y >= m->statuslines) 767 y -= m->statuslines; 768 769 if (x < wp->xoff || x >= wp->xoff + wp->sx) 770 return (-1); 771 if (y < wp->yoff || y >= wp->yoff + wp->sy) 772 return (-1); 773 774 if (xp != NULL) 775 *xp = x - wp->xoff; 776 if (yp != NULL) 777 *yp = y - wp->yoff; 778 return (0); 779 } 780 781 /* Get current mouse window if any. */ 782 struct winlink * 783 cmd_mouse_window(struct mouse_event *m, struct session **sp) 784 { 785 struct session *s; 786 struct window *w; 787 struct winlink *wl; 788 789 if (!m->valid) 790 return (NULL); 791 if (m->s == -1 || (s = session_find_by_id(m->s)) == NULL) 792 return (NULL); 793 if (m->w == -1) 794 wl = s->curw; 795 else { 796 if ((w = window_find_by_id(m->w)) == NULL) 797 return (NULL); 798 wl = winlink_find_by_window(&s->windows, w); 799 } 800 if (sp != NULL) 801 *sp = s; 802 return (wl); 803 } 804 805 /* Get current mouse pane if any. */ 806 struct window_pane * 807 cmd_mouse_pane(struct mouse_event *m, struct session **sp, 808 struct winlink **wlp) 809 { 810 struct winlink *wl; 811 struct window_pane *wp; 812 813 if ((wl = cmd_mouse_window(m, sp)) == NULL) 814 return (NULL); 815 if (m->wp == -1) 816 wp = wl->window->active; 817 else { 818 if ((wp = window_pane_find_by_id(m->wp)) == NULL) 819 return (NULL); 820 if (!window_has_pane(wl->window, wp)) 821 return (NULL); 822 } 823 824 if (wlp != NULL) 825 *wlp = wl; 826 return (wp); 827 } 828 829 /* Replace the first %% or %idx in template by s. */ 830 char * 831 cmd_template_replace(const char *template, const char *s, int idx) 832 { 833 char ch, *buf; 834 const char *ptr, *cp, quote[] = "\"\\$;~"; 835 int replaced, quoted; 836 size_t len; 837 838 if (strchr(template, '%') == NULL) 839 return (xstrdup(template)); 840 841 buf = xmalloc(1); 842 *buf = '\0'; 843 len = 0; 844 replaced = 0; 845 846 ptr = template; 847 while (*ptr != '\0') { 848 switch (ch = *ptr++) { 849 case '%': 850 if (*ptr < '1' || *ptr > '9' || *ptr - '0' != idx) { 851 if (*ptr != '%' || replaced) 852 break; 853 replaced = 1; 854 } 855 ptr++; 856 857 quoted = (*ptr == '%'); 858 if (quoted) 859 ptr++; 860 861 buf = xrealloc(buf, len + (strlen(s) * 3) + 1); 862 for (cp = s; *cp != '\0'; cp++) { 863 if (quoted && strchr(quote, *cp) != NULL) 864 buf[len++] = '\\'; 865 buf[len++] = *cp; 866 } 867 buf[len] = '\0'; 868 continue; 869 } 870 buf = xrealloc(buf, len + 2); 871 buf[len++] = ch; 872 buf[len] = '\0'; 873 } 874 875 return (buf); 876 } 877