1 /* $OpenBSD: cmd.c,v 1.173 2021/09/09 21:55:03 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_clear_prompt_history_entry; 40 extern const struct cmd_entry cmd_clock_mode_entry; 41 extern const struct cmd_entry cmd_command_prompt_entry; 42 extern const struct cmd_entry cmd_confirm_before_entry; 43 extern const struct cmd_entry cmd_copy_mode_entry; 44 extern const struct cmd_entry cmd_customize_mode_entry; 45 extern const struct cmd_entry cmd_delete_buffer_entry; 46 extern const struct cmd_entry cmd_detach_client_entry; 47 extern const struct cmd_entry cmd_display_menu_entry; 48 extern const struct cmd_entry cmd_display_message_entry; 49 extern const struct cmd_entry cmd_display_popup_entry; 50 extern const struct cmd_entry cmd_display_panes_entry; 51 extern const struct cmd_entry cmd_down_pane_entry; 52 extern const struct cmd_entry cmd_find_window_entry; 53 extern const struct cmd_entry cmd_has_session_entry; 54 extern const struct cmd_entry cmd_if_shell_entry; 55 extern const struct cmd_entry cmd_join_pane_entry; 56 extern const struct cmd_entry cmd_kill_pane_entry; 57 extern const struct cmd_entry cmd_kill_server_entry; 58 extern const struct cmd_entry cmd_kill_session_entry; 59 extern const struct cmd_entry cmd_kill_window_entry; 60 extern const struct cmd_entry cmd_last_pane_entry; 61 extern const struct cmd_entry cmd_last_window_entry; 62 extern const struct cmd_entry cmd_link_window_entry; 63 extern const struct cmd_entry cmd_list_buffers_entry; 64 extern const struct cmd_entry cmd_list_clients_entry; 65 extern const struct cmd_entry cmd_list_commands_entry; 66 extern const struct cmd_entry cmd_list_keys_entry; 67 extern const struct cmd_entry cmd_list_panes_entry; 68 extern const struct cmd_entry cmd_list_sessions_entry; 69 extern const struct cmd_entry cmd_list_windows_entry; 70 extern const struct cmd_entry cmd_load_buffer_entry; 71 extern const struct cmd_entry cmd_lock_client_entry; 72 extern const struct cmd_entry cmd_lock_server_entry; 73 extern const struct cmd_entry cmd_lock_session_entry; 74 extern const struct cmd_entry cmd_move_pane_entry; 75 extern const struct cmd_entry cmd_move_window_entry; 76 extern const struct cmd_entry cmd_new_session_entry; 77 extern const struct cmd_entry cmd_new_window_entry; 78 extern const struct cmd_entry cmd_next_layout_entry; 79 extern const struct cmd_entry cmd_next_window_entry; 80 extern const struct cmd_entry cmd_paste_buffer_entry; 81 extern const struct cmd_entry cmd_pipe_pane_entry; 82 extern const struct cmd_entry cmd_previous_layout_entry; 83 extern const struct cmd_entry cmd_previous_window_entry; 84 extern const struct cmd_entry cmd_refresh_client_entry; 85 extern const struct cmd_entry cmd_rename_session_entry; 86 extern const struct cmd_entry cmd_rename_window_entry; 87 extern const struct cmd_entry cmd_resize_pane_entry; 88 extern const struct cmd_entry cmd_resize_window_entry; 89 extern const struct cmd_entry cmd_respawn_pane_entry; 90 extern const struct cmd_entry cmd_respawn_window_entry; 91 extern const struct cmd_entry cmd_rotate_window_entry; 92 extern const struct cmd_entry cmd_run_shell_entry; 93 extern const struct cmd_entry cmd_save_buffer_entry; 94 extern const struct cmd_entry cmd_select_layout_entry; 95 extern const struct cmd_entry cmd_select_pane_entry; 96 extern const struct cmd_entry cmd_select_window_entry; 97 extern const struct cmd_entry cmd_send_keys_entry; 98 extern const struct cmd_entry cmd_send_prefix_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_set_buffer_entry, 192 &cmd_set_environment_entry, 193 &cmd_set_hook_entry, 194 &cmd_set_option_entry, 195 &cmd_set_window_option_entry, 196 &cmd_show_buffer_entry, 197 &cmd_show_environment_entry, 198 &cmd_show_hooks_entry, 199 &cmd_show_messages_entry, 200 &cmd_show_options_entry, 201 &cmd_show_prompt_history_entry, 202 &cmd_show_window_options_entry, 203 &cmd_source_file_entry, 204 &cmd_split_window_entry, 205 &cmd_start_server_entry, 206 &cmd_suspend_client_entry, 207 &cmd_swap_pane_entry, 208 &cmd_swap_window_entry, 209 &cmd_switch_client_entry, 210 &cmd_unbind_key_entry, 211 &cmd_unlink_window_entry, 212 &cmd_wait_for_entry, 213 NULL 214 }; 215 216 /* Instance of a command. */ 217 struct cmd { 218 const struct cmd_entry *entry; 219 struct args *args; 220 u_int group; 221 222 char *file; 223 u_int line; 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, const 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, const 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(struct args_value *values, u_int count, const char *file, u_int line, 500 char **cause) 501 { 502 const struct cmd_entry *entry; 503 struct cmd *cmd; 504 struct args *args; 505 char *error = NULL; 506 507 if (count == 0 || values[0].type != ARGS_STRING) { 508 xasprintf(cause, "no command"); 509 return (NULL); 510 } 511 entry = cmd_find(values[0].string, cause); 512 if (entry == NULL) 513 return (NULL); 514 515 args = args_parse(&entry->args, values, count, &error); 516 if (args == NULL && error == NULL) { 517 xasprintf(cause, "usage: %s %s", entry->name, entry->usage); 518 return (NULL); 519 } 520 if (args == NULL) { 521 xasprintf(cause, "command %s: %s", entry->name, error); 522 free(error); 523 return (NULL); 524 } 525 526 cmd = xcalloc(1, sizeof *cmd); 527 cmd->entry = entry; 528 cmd->args = args; 529 530 if (file != NULL) 531 cmd->file = xstrdup(file); 532 cmd->line = line; 533 534 return (cmd); 535 } 536 537 /* Free a command. */ 538 void 539 cmd_free(struct cmd *cmd) 540 { 541 free(cmd->file); 542 543 args_free(cmd->args); 544 free(cmd); 545 } 546 547 /* Copy a command. */ 548 struct cmd * 549 cmd_copy(struct cmd *cmd, int argc, char **argv) 550 { 551 struct cmd *new_cmd; 552 553 new_cmd = xcalloc(1, sizeof *new_cmd); 554 new_cmd->entry = cmd->entry; 555 new_cmd->args = args_copy(cmd->args, argc, argv); 556 557 if (cmd->file != NULL) 558 new_cmd->file = xstrdup(cmd->file); 559 new_cmd->line = cmd->line; 560 561 return (new_cmd); 562 } 563 564 /* Get a command as a string. */ 565 char * 566 cmd_print(struct cmd *cmd) 567 { 568 char *out, *s; 569 570 s = args_print(cmd->args); 571 if (*s != '\0') 572 xasprintf(&out, "%s %s", cmd->entry->name, s); 573 else 574 out = xstrdup(cmd->entry->name); 575 free(s); 576 577 return (out); 578 } 579 580 /* Create a new command list. */ 581 struct cmd_list * 582 cmd_list_new(void) 583 { 584 struct cmd_list *cmdlist; 585 586 cmdlist = xcalloc(1, sizeof *cmdlist); 587 cmdlist->references = 1; 588 cmdlist->group = cmd_list_next_group++; 589 cmdlist->list = xcalloc(1, sizeof *cmdlist->list); 590 TAILQ_INIT(cmdlist->list); 591 return (cmdlist); 592 } 593 594 /* Append a command to a command list. */ 595 void 596 cmd_list_append(struct cmd_list *cmdlist, struct cmd *cmd) 597 { 598 cmd->group = cmdlist->group; 599 TAILQ_INSERT_TAIL(cmdlist->list, cmd, qentry); 600 } 601 602 /* Append all commands from one list to another. */ 603 void 604 cmd_list_append_all(struct cmd_list *cmdlist, struct cmd_list *from) 605 { 606 struct cmd *cmd; 607 608 TAILQ_FOREACH(cmd, from->list, qentry) 609 cmd->group = cmdlist->group; 610 TAILQ_CONCAT(cmdlist->list, from->list, qentry); 611 } 612 613 /* Move all commands from one command list to another. */ 614 void 615 cmd_list_move(struct cmd_list *cmdlist, struct cmd_list *from) 616 { 617 TAILQ_CONCAT(cmdlist->list, from->list, qentry); 618 cmdlist->group = cmd_list_next_group++; 619 } 620 621 /* Free a command list. */ 622 void 623 cmd_list_free(struct cmd_list *cmdlist) 624 { 625 struct cmd *cmd, *cmd1; 626 627 if (--cmdlist->references != 0) 628 return; 629 630 TAILQ_FOREACH_SAFE(cmd, cmdlist->list, qentry, cmd1) { 631 TAILQ_REMOVE(cmdlist->list, cmd, qentry); 632 cmd_free(cmd); 633 } 634 free(cmdlist->list); 635 free(cmdlist); 636 } 637 638 /* Copy a command list, expanding %s in arguments. */ 639 struct cmd_list * 640 cmd_list_copy(struct cmd_list *cmdlist, int argc, char **argv) 641 { 642 struct cmd *cmd; 643 struct cmd_list *new_cmdlist; 644 struct cmd *new_cmd; 645 u_int group = cmdlist->group; 646 char *s; 647 648 s = cmd_list_print(cmdlist, 0); 649 log_debug("%s: %s", __func__, s); 650 free(s); 651 652 new_cmdlist = cmd_list_new(); 653 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 654 if (cmd->group != group) { 655 new_cmdlist->group = cmd_list_next_group++; 656 group = cmd->group; 657 } 658 new_cmd = cmd_copy(cmd, argc, argv); 659 cmd_list_append(new_cmdlist, new_cmd); 660 } 661 662 s = cmd_list_print(new_cmdlist, 0); 663 log_debug("%s: %s", __func__, s); 664 free(s); 665 666 return (new_cmdlist); 667 } 668 669 /* Get a command list as a string. */ 670 char * 671 cmd_list_print(struct cmd_list *cmdlist, int escaped) 672 { 673 struct cmd *cmd, *next; 674 char *buf, *this; 675 size_t len; 676 677 len = 1; 678 buf = xcalloc(1, len); 679 680 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 681 this = cmd_print(cmd); 682 683 len += strlen(this) + 6; 684 buf = xrealloc(buf, len); 685 686 strlcat(buf, this, len); 687 688 next = TAILQ_NEXT(cmd, qentry); 689 if (next != NULL) { 690 if (cmd->group != next->group) { 691 if (escaped) 692 strlcat(buf, " \\;\\; ", len); 693 else 694 strlcat(buf, " ;; ", len); 695 } else { 696 if (escaped) 697 strlcat(buf, " \\; ", len); 698 else 699 strlcat(buf, " ; ", len); 700 } 701 } 702 703 free(this); 704 } 705 706 return (buf); 707 } 708 709 /* Get first command in list. */ 710 struct cmd * 711 cmd_list_first(struct cmd_list *cmdlist) 712 { 713 return (TAILQ_FIRST(cmdlist->list)); 714 } 715 716 /* Get next command in list. */ 717 struct cmd * 718 cmd_list_next(struct cmd *cmd) 719 { 720 return (TAILQ_NEXT(cmd, qentry)); 721 } 722 723 /* Do all of the commands in this command list have this flag? */ 724 int 725 cmd_list_all_have(struct cmd_list *cmdlist, int flag) 726 { 727 struct cmd *cmd; 728 729 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 730 if (~cmd->entry->flags & flag) 731 return (0); 732 } 733 return (1); 734 } 735 736 /* Do any of the commands in this command list have this flag? */ 737 int 738 cmd_list_any_have(struct cmd_list *cmdlist, int flag) 739 { 740 struct cmd *cmd; 741 742 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 743 if (cmd->entry->flags & flag) 744 return (1); 745 } 746 return (0); 747 } 748 749 /* Adjust current mouse position for a pane. */ 750 int 751 cmd_mouse_at(struct window_pane *wp, struct mouse_event *m, u_int *xp, 752 u_int *yp, int last) 753 { 754 u_int x, y; 755 756 if (last) { 757 x = m->lx + m->ox; 758 y = m->ly + m->oy; 759 } else { 760 x = m->x + m->ox; 761 y = m->y + m->oy; 762 } 763 log_debug("%s: x=%u, y=%u%s", __func__, x, y, last ? " (last)" : ""); 764 765 if (m->statusat == 0 && y >= m->statuslines) 766 y -= m->statuslines; 767 768 if (x < wp->xoff || x >= wp->xoff + wp->sx) 769 return (-1); 770 if (y < wp->yoff || y >= wp->yoff + wp->sy) 771 return (-1); 772 773 if (xp != NULL) 774 *xp = x - wp->xoff; 775 if (yp != NULL) 776 *yp = y - wp->yoff; 777 return (0); 778 } 779 780 /* Get current mouse window if any. */ 781 struct winlink * 782 cmd_mouse_window(struct mouse_event *m, struct session **sp) 783 { 784 struct session *s; 785 struct window *w; 786 struct winlink *wl; 787 788 if (!m->valid) 789 return (NULL); 790 if (m->s == -1 || (s = session_find_by_id(m->s)) == NULL) 791 return (NULL); 792 if (m->w == -1) 793 wl = s->curw; 794 else { 795 if ((w = window_find_by_id(m->w)) == NULL) 796 return (NULL); 797 wl = winlink_find_by_window(&s->windows, w); 798 } 799 if (sp != NULL) 800 *sp = s; 801 return (wl); 802 } 803 804 /* Get current mouse pane if any. */ 805 struct window_pane * 806 cmd_mouse_pane(struct mouse_event *m, struct session **sp, 807 struct winlink **wlp) 808 { 809 struct winlink *wl; 810 struct window_pane *wp; 811 812 if ((wl = cmd_mouse_window(m, sp)) == NULL) 813 return (NULL); 814 if ((wp = window_pane_find_by_id(m->wp)) == NULL) 815 return (NULL); 816 if (!window_has_pane(wl->window, wp)) 817 return (NULL); 818 819 if (wlp != NULL) 820 *wlp = wl; 821 return (wp); 822 } 823 824 /* Replace the first %% or %idx in template by s. */ 825 char * 826 cmd_template_replace(const char *template, const char *s, int idx) 827 { 828 char ch, *buf; 829 const char *ptr, *cp, quote[] = "\"\\$;~"; 830 int replaced, quoted; 831 size_t len; 832 833 if (strchr(template, '%') == NULL) 834 return (xstrdup(template)); 835 836 buf = xmalloc(1); 837 *buf = '\0'; 838 len = 0; 839 replaced = 0; 840 841 ptr = template; 842 while (*ptr != '\0') { 843 switch (ch = *ptr++) { 844 case '%': 845 if (*ptr < '1' || *ptr > '9' || *ptr - '0' != idx) { 846 if (*ptr != '%' || replaced) 847 break; 848 replaced = 1; 849 } 850 ptr++; 851 852 quoted = (*ptr == '%'); 853 if (quoted) 854 ptr++; 855 856 buf = xrealloc(buf, len + (strlen(s) * 3) + 1); 857 for (cp = s; *cp != '\0'; cp++) { 858 if (quoted && strchr(quote, *cp) != NULL) 859 buf[len++] = '\\'; 860 buf[len++] = *cp; 861 } 862 buf[len] = '\0'; 863 continue; 864 } 865 buf = xrealloc(buf, len + 2); 866 buf[len++] = ch; 867 buf[len] = '\0'; 868 } 869 870 return (buf); 871 } 872