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r331575 | rmudgett | 2011-08-11 16:39:58 -0500 (Thu, 11 Aug 2011) | 9 lines Segfault in shell_helper in func_shell.c. The return value of popen() was not checked for failure to open. (closes issue ASTERISK-18109) JIRA SWP-3633 Reported by: Michael Myles Tested by: rmudgett ------------------------------------------------------------------------ r332355 | tilghman | 2011-08-17 14:21:36 -0500 (Wed, 17 Aug 2011) | 13 lines Re-add support for spaces in pathnames, including now spaces in DESTDIR. This was initially added to 1.8 prior to release, primarily to support the standard paths on Mac OS X, but was partially reverted recently in Subversion, due to the lack of support for spaces in DESTDIR. This commit restores support for the standard paths on Mac OS X, and also includes support for spaces in DESTDIR. (closes issue ASTERISK-18290) Reported by: pabelanger Review: https://reviewboard.asterisk.org/r/1326/ ------------------------------------------------------------------------ r332559 | twilson | 2011-08-18 16:26:01 -0500 (Thu, 18 Aug 2011) | 7 lines Fix possible error on stringification of IPv4-mapped addrs The FreeBSD netsock2 test has been failing for a while. We were pasing sa->len to getnameinfo instead of sa_tmp->len. ASTERISK-18289 ------------------------------------------------------------------------ git-svn-id: https://origsvn.digium.com/svn/asterisk/tags/1.8.6.0-rc2@332928 65c4cc65-6c06-0410-ace0-fbb531ad65f3
118 lines
2.9 KiB
C
118 lines
2.9 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2006, Digium, Inc.
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* SHELL function to return the value of a system call.
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*
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* \note Inspiration and Guidance from Russell! Thank You!
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*
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* \author Brandon Kruse <bkruse@digium.com>
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*
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* \ingroup functions
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/module.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/utils.h"
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#include "asterisk/app.h"
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static int shell_helper(struct ast_channel *chan, const char *cmd, char *data,
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char *buf, size_t len)
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{
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int res = 0;
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "Missing Argument! Example: Set(foo=${SHELL(echo \"bar\")})\n");
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return -1;
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}
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if (chan) {
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ast_autoservice_start(chan);
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}
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if (len >= 1) {
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FILE *ptr;
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char plbuff[4096];
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ptr = popen(data, "r");
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if (ptr) {
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while (fgets(plbuff, sizeof(plbuff), ptr)) {
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strncat(buf, plbuff, len - strlen(buf) - 1);
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}
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pclose(ptr);
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} else {
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ast_log(LOG_WARNING, "Failed to execute shell command '%s'\n", data);
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res = -1;
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}
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}
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if (chan) {
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ast_autoservice_stop(chan);
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}
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return res;
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}
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/*** DOCUMENTATION
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<function name="SHELL" language="en_US">
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<synopsis>
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Executes a command as if you were at a shell.
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</synopsis>
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<syntax>
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<parameter name="command" required="true">
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<para>This is the argument to the function, the command you want to pass to the shell.</para>
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</parameter>
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</syntax>
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<description>
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<para>Returns the value from a system command</para>
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<para>Example: <literal>Set(foo=${SHELL(echo \bar\)})</literal></para>
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<note><para>When using the SHELL() dialplan function, your \SHELL\ is /bin/sh,
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which may differ as to the underlying shell, depending upon your production
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platform. Also keep in mind that if you are using a common path, you should
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be mindful of race conditions that could result from two calls running
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SHELL() simultaneously.</para></note>
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</description>
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</function>
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***/
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static struct ast_custom_function shell_function = {
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.name = "SHELL",
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.read = shell_helper,
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};
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static int unload_module(void)
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{
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return ast_custom_function_unregister(&shell_function);
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}
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static int load_module(void)
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{
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return ast_custom_function_register(&shell_function);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Returns the output of a shell command");
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