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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author : Richard GAYRAUD - 04 Nov 2003
* Olivier Jacques
* From Hewlett Packard Company.
* Charles P Wright from IBM Research
*/
#include "sipp.hpp"
/* This is a fun sample of creating your own extensible keyword. */
int fortune(call *call, MessageComponent *comp, char *buf, int len) {
int pipes[2];
char localbuf[SIPP_MAX_MSG_SIZE];
char *p = localbuf;
int ret;
int written = 0;
if (pipe(pipes) == -1) {
ERROR("Could not create pipes!\n");
}
switch (fork()) {
case -1:
ERROR("Fork failed: %s\n", strerror(errno));
case 0:
/* We are the child. */
close(pipes[0]);
dup2(pipes[1], fileno(stdout));
dup2(pipes[1], fileno(stderr));
close(fileno(stdin));
system("/usr/bin/fortune");
exit (127);
default:
/* We are the parent*/
close(pipes[1]);
while ((ret = read(pipes[0], p, sizeof(localbuf) - (p - localbuf))) > 0) {
p += ret;
}
*p = '\0';
close(pipes[0]);
if (len > p - localbuf) {
len = p -localbuf;
}
p = localbuf;
while(len-- > 0) {
if (*p == '\n') {
if (len < 3) {
break;
}
*buf++ = '\r';
*buf++ = '\n';
*buf++ = ' ';
written += 3;
p++;
} else {
*buf++ = *p++;
written++;
}
}
break;
}
return written;
}
/* On initialization we register our keywords. */
extern "C" int init(void) {
registerKeyword("fortune", fortune);
return 0;
}
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