220 lines
5.9 KiB
C
220 lines
5.9 KiB
C
/*
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* wee-hook-command-run.c - WeeChat command_run hook
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*
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* Copyright (C) 2003-2018 Sébastien Helleu <flashcode@flashtux.org>
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*
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* This file is part of WeeChat, the extensible chat client.
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*
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* WeeChat is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* WeeChat is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include "../weechat.h"
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#include "../wee-hook.h"
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#include "../wee-infolist.h"
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#include "../wee-log.h"
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#include "../wee-string.h"
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#include "../wee-utf8.h"
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#include "../../plugins/plugin.h"
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/*
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* Hooks a command when it's run by WeeChat.
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*
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* Returns pointer to new hook, NULL if error.
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*/
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struct t_hook *
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hook_command_run (struct t_weechat_plugin *plugin,
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const char *command,
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t_hook_callback_command_run *callback,
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const void *callback_pointer,
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void *callback_data)
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{
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struct t_hook *new_hook;
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struct t_hook_command_run *new_hook_command_run;
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int priority;
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const char *ptr_command;
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if (!callback)
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return NULL;
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new_hook = malloc (sizeof (*new_hook));
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if (!new_hook)
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return NULL;
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new_hook_command_run = malloc (sizeof (*new_hook_command_run));
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if (!new_hook_command_run)
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{
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free (new_hook);
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return NULL;
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}
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hook_get_priority_and_name (command, &priority, &ptr_command);
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hook_init_data (new_hook, plugin, HOOK_TYPE_COMMAND_RUN, priority,
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callback_pointer, callback_data);
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new_hook->hook_data = new_hook_command_run;
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new_hook_command_run->callback = callback;
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new_hook_command_run->command = strdup ((ptr_command) ? ptr_command :
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((command) ? command : ""));
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hook_add_to_list (new_hook);
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return new_hook;
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}
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/*
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* Executes a command_run hook.
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*/
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int
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hook_command_run_exec (struct t_gui_buffer *buffer, const char *command)
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{
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struct t_hook *ptr_hook, *next_hook;
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int rc, hook_matching, length;
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char *command2;
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const char *ptr_command;
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if (!weechat_hooks[HOOK_TYPE_COMMAND_RUN])
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return WEECHAT_RC_OK;
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ptr_command = command;
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command2 = NULL;
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if (command[0] != '/')
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{
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length = strlen (command) + 1;
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command2 = malloc (length);
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if (command2)
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{
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snprintf (command2, length, "/%s", command + 1);
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ptr_command = command2;
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}
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}
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ptr_hook = weechat_hooks[HOOK_TYPE_COMMAND_RUN];
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while (ptr_hook)
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{
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next_hook = ptr_hook->next_hook;
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if (!ptr_hook->deleted
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&& !ptr_hook->running
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&& HOOK_COMMAND_RUN(ptr_hook, command))
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{
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hook_matching = string_match (ptr_command,
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HOOK_COMMAND_RUN(ptr_hook, command),
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0);
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if (!hook_matching
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&& !strchr (HOOK_COMMAND_RUN(ptr_hook, command), ' '))
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{
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length = strlen (HOOK_COMMAND_RUN(ptr_hook, command));
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hook_matching = ((string_strncasecmp (ptr_command,
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HOOK_COMMAND_RUN(ptr_hook, command),
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utf8_strlen (HOOK_COMMAND_RUN(ptr_hook, command))) == 0)
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&& ((ptr_command[length] == ' ')
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|| (ptr_command[length] == '\0')));
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}
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if (hook_matching)
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{
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ptr_hook->running = 1;
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rc = (HOOK_COMMAND_RUN(ptr_hook, callback)) (
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ptr_hook->callback_pointer,
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ptr_hook->callback_data,
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buffer,
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ptr_command);
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ptr_hook->running = 0;
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if (rc == WEECHAT_RC_OK_EAT)
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{
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if (command2)
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free (command2);
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return rc;
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}
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}
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}
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ptr_hook = next_hook;
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}
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if (command2)
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free (command2);
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return WEECHAT_RC_OK;
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}
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/*
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* Frees data in a command_run hook.
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*/
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void
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hook_command_run_free_data (struct t_hook *hook)
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{
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if (!hook || !hook->hook_data)
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return;
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if (HOOK_COMMAND_RUN(hook, command))
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{
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free (HOOK_COMMAND_RUN(hook, command));
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HOOK_COMMAND_RUN(hook, command) = NULL;
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}
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free (hook->hook_data);
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hook->hook_data = NULL;
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}
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/*
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* Adds command_run hook data in the infolist item.
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*
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* Returns:
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* 1: OK
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* 0: error
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*/
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int
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hook_command_run_add_to_infolist (struct t_infolist_item *item,
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struct t_hook *hook)
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{
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if (!item || !hook || !hook->hook_data)
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return 0;
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if (!infolist_new_var_pointer (item, "callback", HOOK_COMMAND_RUN(hook, callback)))
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return 0;
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if (!infolist_new_var_string (item, "command", HOOK_COMMAND_RUN(hook, command)))
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return 0;
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return 1;
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}
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/*
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* Prints command_run hook data in WeeChat log file (usually for crash dump).
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*/
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void
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hook_command_run_print_log (struct t_hook *hook)
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{
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if (!hook || !hook->hook_data)
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return;
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log_printf (" command_run data:");
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log_printf (" callback. . . . . . . : 0x%lx", HOOK_COMMAND_RUN(hook, callback));
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log_printf (" command . . . . . . . : '%s'", HOOK_COMMAND_RUN(hook, command));
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}
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