forked from Mirrors/freeswitch
0488a5109a
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3733 d0543943-73ff-0310-b7d9-9358b9ac24b2
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <kernel/OS.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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struct pipefd {
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int in;
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int out;
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int err;
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};
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int main(int argc, char *argv[]) {
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/* we expect the following...
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*
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* argv[0] = this stub
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* argv[1] = directory to run in...
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* argv[2] = progname to execute
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* rest of arguments to be passed to program
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*/
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char *progname = argv[2];
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char *directory = argv[1];
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struct pipefd *pfd;
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thread_id sender;
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void *buffer;
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char ** newargs;
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int i = 0;
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newargs = (char**)malloc(sizeof(char*) * (argc - 1));
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buffer = (void*)malloc(sizeof(struct pipefd));
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/* this will block until we get the data */
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receive_data(&sender, buffer, sizeof(struct pipefd));
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pfd = (struct pipefd*)buffer;
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if (pfd->in > STDERR_FILENO) {
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if (dup2(pfd->in, STDIN_FILENO) != STDIN_FILENO) return (-1);
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close (pfd->in);
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}
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if (pfd->out > STDERR_FILENO) {
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if (dup2(pfd->out, STDOUT_FILENO) != STDOUT_FILENO) return (-1);
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close (pfd->out);
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}
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if (pfd->err > STDERR_FILENO) {
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if (dup2(pfd->err, STDERR_FILENO) != STDERR_FILENO) return (-1);
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close (pfd->err);
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}
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for (i=3;i<=argc;i++){
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newargs[i-3] = argv[i];
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}
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/* tell the caller we're OK to start */
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send_data(sender,1,NULL,0);
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if (directory != NULL)
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chdir(directory);
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execve (progname, newargs, environ);
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return (-1);
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}
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