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/** BEGIN COPYRIGHT BLOCK
* 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; version 2 of the License.
*
* 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.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* do so, delete this exception statement from your version.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#if defined( XP_WIN32 )
#include <windows.h>
#endif
#include "dsalib.h"
#include "prprf.h"
#include <sys/types.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
/* holds the contents of the POSTed data from stdin as an array
of key/value pairs parsed from the key=value input */
static char **input = 0;
/* This variable is true if the program should assume stdout is connected
to an HTML context e.g. if this is being run as a normal CGI. It is
false to indicate that output should not contain HTML formatting,
Javascript, etc. put plain ol' ASCII only
*/
static int formattedOutput = 1;
DS_EXPORT_SYMBOL int
ds_get_formatted_output(void)
{
return formattedOutput;
}
DS_EXPORT_SYMBOL void
ds_set_formatted_output(int val)
{
formattedOutput = val;
}
DS_EXPORT_SYMBOL void
ds_print_file_name(char *fileptr)
{
char *meaning;
fprintf(stdout, "%s", fileptr);
if ( (meaning = ds_get_file_meaning(fileptr)) != NULL ) {
fprintf(stdout, " (%s)", meaning);
}
}
/*
* Get a CGI variable.
*/
DS_EXPORT_SYMBOL char *
ds_get_cgi_var(char *cgi_var_name)
{
char *cgi_var_value;
cgi_var_value = (char *) ds_a_get_cgi_var(cgi_var_name, NULL, NULL);
if ( cgi_var_value == NULL ) {
/*
* The ds_a_get_cgi_var() lies! It gives a NULL even if the
* value is "". So assume the variable is there and
* return an empty string.
*/
return("");
}
return(cgi_var_value);
}
/* parse POST input to a CGI program */
DS_EXPORT_SYMBOL int
ds_post_begin(FILE *in)
{
char *vars = NULL, *tmp = NULL, *decoded_vars = NULL;
int cl;
if(!(tmp = getenv("CONTENT_LENGTH")))
{
ds_report_error(DS_INCORRECT_USAGE, "Browser Error", "Your browser"
" sent no content length with a POST command."
" Please be sure to use a fully compliant browser.");
return 1;
}
cl = atoi(tmp);
vars = (char *)malloc(cl+1);
if( !(fread(vars, 1, cl, in)) )
{
ds_report_error(DS_SYSTEM_ERROR, "CGI error",
"The POST variables could not be read from stdin.");
return 1;
}
vars[cl] = '\0';
decoded_vars = ds_URL_decode(vars);
free(vars);
input = ds_string_to_vec(decoded_vars);
free(decoded_vars);
/*
for (cl = 0; input[cl]; ++cl)
printf("ds_post_begin: read cgi var=[%s]\n", input[cl]);
*/
return 0;
}
/* parse GET input to a CGI program */
DS_EXPORT_SYMBOL void
ds_get_begin(char *query_string)
{
char *decoded_input = ds_URL_decode(query_string);
input = ds_string_to_vec(decoded_input);
free(decoded_input);
}
/*
Borrowed from libadmin/form_post.c
*/
DS_EXPORT_SYMBOL char *
ds_a_get_cgi_var(char *varname, char *elem_id, char *bongmsg)
{
register int x = 0;
int len = strlen(varname);
char *ans = NULL;
while(input[x]) {
/* We want to get rid of the =, so len, len+1 */
if((!strncmp(input[x], varname, len)) && (*(input[x]+len) == '=')) {
ans = strdup(input[x] + len + 1);
if(!strcmp(ans, ""))
ans = NULL;
break;
} else
x++;
}
if(ans == NULL) {
if ((bongmsg) && strlen(bongmsg))
{
/* prefix error with varname so output interpreters can determine */
/* which parameter is in error */
char *msg;
if (!ds_get_formatted_output() && (varname != NULL))
{
msg = PR_smprintf("%s.error: %s %s", varname, elem_id, bongmsg);
}
else
{
msg = PR_smprintf("error: %s %s", elem_id, bongmsg);
}
ds_show_message(msg);
PR_smprintf_free(msg);
}
else
return NULL;
}
else
return(ans);
/* shut up gcc */
return NULL;
}
DS_EXPORT_SYMBOL char **
ds_string_to_vec(char *in)
{
char **ans;
int vars = 0;
register int x = 0;
char *tmp;
in = strdup(in);
while(in[x])
if(in[x++]=='=')
vars++;
ans = (char **)calloc(vars+1, sizeof(char *));
x=0;
/* strtok() is not MT safe, but it is okay to call here because it is used in monothreaded env */
tmp = strtok(in, "&");
ans[x++]=strdup(tmp);
while((tmp = strtok(NULL, "&"))) {
ans[x++] = strdup(tmp);
}
free(in);
return(ans);
}
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