[userv-utils] / www-cgi / ucgicommon.c

/*
 * Copyright (C) 1998-1999 Ian Jackson
 *
 * This 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 userv-utils; if not, write to the Free Software
 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * $Id: ucgicommon.c,v 1.3 1999/11/09 23:04:32 ian Exp $
 */

#include <stdio.h>
#include <string.h>
#include <errno.h>

#include "ucgi.h"

const char *const envok[]= {
  "CONTENT_LENGTH",
  "CONTENT_TYPE",
  "DOCUMENT_ROOT",
  "GATEWAY_INTERFACE",
  "HTTP_ACCEPT",
  "HTTP_ACCEPT_ENCODING",
  "HTTP_ACCEPT_LANGUAGE",
  "HTTP_CACHE_CONTROL",
  "HTTP_HOST",
  "HTTP_NEGOTIATE",
  "HTTP_PRAGMA",
  "HTTP_USER_AGENT",
  "PATH_INFO",
  "PATH_TRANSLATED",
  "QUERY_STRING",
  "REMOTE_ADDR",
  "REMOTE_HOST",
  "REMOTE_USER",
  "REMOTE_IDENT",
  "REQUEST_METHOD",
  "SCRIPT_FILENAME",
  "SCRIPT_NAME",
  "SCRIPT_URI",
  "SCRIPT_URL",
  "SERVER_ADMIN",
  "SERVER_NAME",
  "SERVER_PORT",
  "SERVER_PROTOCOL",
  "SERVER_SOFTWARE",
  0
};
const int nenvok= sizeof(envok)/sizeof(envok[0]);

int debugmode= 0;

static void outerror(void) {
  perror("stdout");
  exit(debugmode ? 0 : -1);
}

void syserror(const char *m) {
  if (printf("Content-Type: text/plain\n\n"
	     "ucgi: system call error:\n"
	     "%s: %s\n",
	     m,strerror(errno))==EOF || fflush(stdout)) outerror();
  exit(0);
}

void error(const char *m) {
  if (printf("Content-Type: text/plain\n\n"
	     "ucgi: error:\n"
	     "%s\n",
	     m)==EOF || fflush(stdout)) outerror();
  exit(0);
}

void *xmalloc(size_t sz) {
  void *r;

  r= malloc(sz);
  if (!r) syserror("malloc failed");
  return r;
}

void xsetenv(const char *en, const char *ev, int overwrite) {
  if (setenv(en,ev,overwrite)) syserror("setenv");
}
Commit	Line	Data
39c4ee86	1	/*
	2	* Copyright (C) 1998-1999 Ian Jackson
	3	*
	4	* This is free software; you can redistribute it and/or modify it
	5	* under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful, but
	10	* WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	* General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with userv-utils; if not, write to the Free Software
	16	* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	17	*
	18	* $Id: ucgicommon.c,v 1.3 1999/11/09 23:04:32 ian Exp $
	19	*/
6a580c17	20
	21	#include <stdio.h>
	22	#include <string.h>
6aaa2ce3	23	#include <errno.h>
6a580c17	24
	25	#include "ucgi.h"
	26
	27	const char *const envok[]= {
	28	"CONTENT_LENGTH",
	29	"CONTENT_TYPE",
	30	"DOCUMENT_ROOT",
	31	"GATEWAY_INTERFACE",
	32	"HTTP_ACCEPT",
	33	"HTTP_ACCEPT_ENCODING",
	34	"HTTP_ACCEPT_LANGUAGE",
	35	"HTTP_CACHE_CONTROL",
	36	"HTTP_HOST",
	37	"HTTP_NEGOTIATE",
	38	"HTTP_PRAGMA",
	39	"HTTP_USER_AGENT",
	40	"PATH_INFO",
	41	"PATH_TRANSLATED",
	42	"QUERY_STRING",
	43	"REMOTE_ADDR",
	44	"REMOTE_HOST",
	45	"REMOTE_USER",
	46	"REMOTE_IDENT",
	47	"REQUEST_METHOD",
	48	"SCRIPT_FILENAME",
	49	"SCRIPT_NAME",
	50	"SCRIPT_URI",
	51	"SCRIPT_URL",
	52	"SERVER_ADMIN",
	53	"SERVER_NAME",
	54	"SERVER_PORT",
	55	"SERVER_PROTOCOL",
	56	"SERVER_SOFTWARE",
	57	0
	58	};
	59	const int nenvok= sizeof(envok)/sizeof(envok[0]);
	60
	61	int debugmode= 0;
	62
	63	static void outerror(void) {
	64	perror("stdout");
	65	exit(debugmode ? 0 : -1);
	66	}
	67
	68	void syserror(const char *m) {
	69	if (printf("Content-Type: text/plain\n\n"
	70	"ucgi: system call error:\n"
	71	"%s: %s\n",
	72	m,strerror(errno))==EOF \|\| fflush(stdout)) outerror();
	73	exit(0);
	74	}
	75
	76	void error(const char *m) {
	77	if (printf("Content-Type: text/plain\n\n"
	78	"ucgi: error:\n"
	79	"%s\n",
	80	m)==EOF \|\| fflush(stdout)) outerror();
	81	exit(0);
	82	}
	83
	84	void *xmalloc(size_t sz) {
	85	void *r;
	86
	87	r= malloc(sz);
88	if (!r) syserror("malloc failed");
89	return r;
90	}
91
92	void xsetenv(const char en, const char ev, int overwrite) {
93	if (setenv(en,ev,overwrite)) syserror("setenv");
94	}