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Add flag for stderr to popen.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@769 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1996-09-27 17:34:01 +00:00
parent fdc2861066
commit f47872b1fd
2 changed files with 19 additions and 17 deletions
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34
appl/ftp/ftpd/popen.c
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@@ -41,12 +41,13 @@
#if 0
static char sccsid[] = "@(#)popen.c 8.3 (Berkeley) 4/6/94";
#else
static char rcsid[] = "$NetBSD: popen.c,v 1.5 1995/04/11 02:45:00 cgd Exp $";
static char xrcsid[] = "$NetBSD: popen.c,v 1.5 1995/04/11 02:45:00 cgd Exp $";
#endif
#endif /* not lint */
#ifdef HAVE_CONFIG_H
#include <config.h>
RCSID("$Id$");
#endif
#include <sys/types.h>
@@ -68,16 +69,16 @@ static char rcsid[] = "$NetBSD: popen.c,v 1.5 1995/04/11 02:45:00 cgd Exp $";
#include <roken.h>
/*
* Special version of popen which avoids call to shell. This ensures noone
* may create a pipe to a hidden program as a side effect of a list or dir
* command.
/*
* Special version of popen which avoids call to shell. This ensures
* no one may create a pipe to a hidden program as a side effect of a
* list or dir command.
*/
static int *pids;
static int fds;
FILE *
ftpd_popen(char *program, char *type)
ftpd_popen(char *program, char *type, int do_stderr)
{
char *cp;
FILE *iop;
@@ -126,24 +127,25 @@ ftpd_popen(char *program, char *type)
iop = NULL;
switch(pid = fork()) {
case -1: /* error */
(void)close(pdes[0]);
(void)close(pdes[1]);
close(pdes[0]);
close(pdes[1]);
goto pfree;
/* NOTREACHED */
case 0: /* child */
if (*type == 'r') {
if (pdes[1] != STDOUT_FILENO) {
dup2(pdes[1], STDOUT_FILENO);
(void)close(pdes[1]);
close(pdes[1]);
}
dup2(STDOUT_FILENO, STDERR_FILENO); /* stderr too! */
(void)close(pdes[0]);
if(do_stderr)
dup2(STDOUT_FILENO, STDERR_FILENO);
close(pdes[0]);
} else {
if (pdes[0] != STDIN_FILENO) {
dup2(pdes[0], STDIN_FILENO);
(void)close(pdes[0]);
close(pdes[0]);
}
(void)close(pdes[1]);
close(pdes[1]);
}
execv(gargv[0], gargv);
_exit(1);
@@ -151,10 +153,10 @@ ftpd_popen(char *program, char *type)
/* parent; assume fdopen can't fail... */
if (*type == 'r') {
iop = fdopen(pdes[0], type);
(void)close(pdes[1]);
close(pdes[1]);
} else {
iop = fdopen(pdes[1], type);
(void)close(pdes[0]);
close(pdes[0]);
}
pids[fileno(iop)] = pid;
@@ -177,7 +179,7 @@ ftpd_pclose(FILE *iop)
*/
if (pids == 0 || pids[fdes = fileno(iop)] == 0)
return (-1);
(void)fclose(iop);
fclose(iop);
sigemptyset(&sigset);
sigaddset(&sigset, SIGINT);
sigaddset(&sigset, SIGQUIT);