don't pay attention to special characters if they don't come from the command

line (from jmcneill)
This commit is contained in:
christos 2014-10-26 16:21:59 +00:00
parent 8933a7a2ee
commit d138fe3e34
1 changed files with 25 additions and 17 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: fetch.c,v 1.205 2013/11/07 02:06:51 christos Exp $ */
/* $NetBSD: fetch.c,v 1.206 2014/10/26 16:21:59 christos Exp $ */
/*-
* Copyright (c) 1997-2009 The NetBSD Foundation, Inc.
@ -34,7 +34,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: fetch.c,v 1.205 2013/11/07 02:06:51 christos Exp $");
__RCSID("$NetBSD: fetch.c,v 1.206 2014/10/26 16:21:59 christos Exp $");
#endif /* not lint */
/*
@ -571,7 +571,7 @@ fetch_url(const char *url, const char *proxyenv, char *proxyauth, char *wwwauth)
url_decode(decodedpath);
if (outfile)
savefile = ftp_strdup(outfile);
savefile = outfile;
else {
cp = strrchr(decodedpath, '/'); /* find savefile */
if (cp != NULL)
@ -595,8 +595,7 @@ fetch_url(const char *url, const char *proxyenv, char *proxyauth, char *wwwauth)
rangestart = rangeend = entitylen = -1;
mtime = -1;
if (restartautofetch) {
if (strcmp(savefile, "-") != 0 && *savefile != '|' &&
stat(savefile, &sb) == 0)
if (stat(savefile, &sb) == 0)
restart_point = sb.st_size;
}
if (urltype == FILE_URL_T) { /* file:// URLs */
@ -1150,18 +1149,26 @@ fetch_url(const char *url, const char *proxyenv, char *proxyauth, char *wwwauth)
}
} /* end of ftp:// or http:// specific setup */
/* Open the output file. */
if (strcmp(savefile, "-") == 0) {
fout = stdout;
} else if (*savefile == '|') {
oldpipe = xsignal(SIGPIPE, SIG_IGN);
fout = popen(savefile + 1, "w");
if (fout == NULL) {
warn("Can't execute `%s'", savefile + 1);
goto cleanup_fetch_url;
/* Open the output file. */
/*
* Only trust filenames with special meaning if they came from
* the command line
*/
if (outfile == savefile) {
if (strcmp(savefile, "-") == 0) {
fout = stdout;
} else if (*savefile == '|') {
oldpipe = xsignal(SIGPIPE, SIG_IGN);
fout = popen(savefile + 1, "w");
if (fout == NULL) {
warn("Can't execute `%s'", savefile + 1);
goto cleanup_fetch_url;
}
closefunc = pclose;
}
closefunc = pclose;
} else {
}
if (fout == NULL) {
if ((rangeend != -1 && rangeend <= restart_point) ||
(rangestart == -1 && filesize != -1 && filesize <= restart_point)) {
/* already done */
@ -1379,7 +1386,8 @@ fetch_url(const char *url, const char *proxyenv, char *proxyauth, char *wwwauth)
(*closefunc)(fout);
if (res0)
freeaddrinfo(res0);
FREEPTR(savefile);
if (savefile != outfile)
FREEPTR(savefile);
FREEPTR(uuser);
if (pass != NULL)
memset(pass, 0, strlen(pass));