[thirdparty/squid.git] / src / errorpage.cc


/*
 * $Id: errorpage.cc,v 1.37 1996/09/11 22:31:06 wessels Exp $
 *
 * DEBUG: section 4     Error Generation
 * AUTHOR: Duane Wessels
 *
 * SQUID Internet Object Cache  http://www.nlanr.net/Squid/
 * --------------------------------------------------------
 *
 *  Squid is the result of efforts by numerous individuals from the
 *  Internet community.  Development is led by Duane Wessels of the
 *  National Laboratory for Applied Network Research and funded by
 *  the National Science Foundation.
 *
 *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *  
 */

#include "squid.h"

#define SQUID_ERROR_MSG_P1 "\
<HTML><HEAD>\n\
<TITLE>ERROR: The requested URL could not be retrieved</TITLE>\n\
</HEAD><BODY>\n\
<H1>ERROR</H1>\n\
<H2>The requested URL could not be retrieved</H2>\n\
<HR>\n\
<P>\n\
While trying to retrieve the URL:\n\
<A HREF=\"%s\">%s</A>\n\
<P>\n\
The following error was encountered:\n\
<UL>\n\
<LI><STRONG>%s</STRONG>\n\
</UL>\n\
"

#define SQUID_ERROR_MSG_P2 "\
<P>The system returned:\n\
<PRE><I>    %s</I></PRE>\n\
"

#define SQUID_ERROR_MSG_P3 "\
<P>This means that:\n\
<PRE>\n\
    %s\n\
</PRE>\n\
<P>\n\
%s\n\
<HR>\n\
<ADDRESS>\n\
Generated by %s/%s@%s\n\
</ADDRESS></BODY></HTML>\n\
\n"

typedef struct {
    char *tag;
    char *shrt;
    char *lng;
} error_data;

error_data ErrorData[] =
{
    {"ERR_READ_TIMEOUT",
	"Read Timeout",
	"The remote site or network may be down.  Please try again."},
    {"ERR_LIFETIME_EXP",
	"Transaction Timeout",
	"The network or remote site may be down or too slow.  Try again later."},
    {"ERR_NO_CLIENTS_BIG_OBJ",
	"No Client",
	"All Clients went away before tranmission completed and the object is too big to cache."},
    {"ERR_READ_ERROR",
	"Read Error",
	"The remote site or network may be down.  Please try again."},
    {"ERR_CLIENT_ABORT",
	"Client Aborted",
	"Client(s) dropped connection before transmission completed.\nObject fetching is aborted.",},
    {"ERR_CONNECT_FAIL",
	"Connection Failed",
	"The remote site or server may be down.  Please try again soon."},
    {"ERR_INVALID_REQUEST",
	"Invalid HTTP request",
	"Please double check it, or ask for assistance."},
    {"ERR_UNSUP_REQUEST",
	"Unsupported request",
	"This request method is not supported for this protocol."},
    {"ERR_INVALID_URL",
	"Invalid URL syntax",
	"Please double check it, or ask for assistance."},
    {"ERR_NO_FDS",
	"Out of file descriptors",
	"The cache is currently very busy.  Please try again."},
    {"ERR_DNS_FAIL",
	"DNS name lookup failure",
	"The named host probably does not exist."},
    {"ERR_NOT_IMPLEMENTED",
	"Protocol Not Supported",
	"The cache does not know about the requested protocol."},
    {"ERR_CANNOT_FETCH",
	"Unable to Retrieve",
	"The requested URL can not currently be retrieved."},
    {"ERR_NO_RELAY",
	"No WAIS Relay",
	"There is no WAIS relay host defined for this cache."},
    {"ERR_DISK_IO",
	"Cache Disk I/O Failure",
	"The system disk is out of space or failing."},
    {"ERR_ZERO_SIZE_OBJECT",
	"No Object Data",
	"The remote server closed the connection before sending any data."},
    {"ERR_PROXY_DENIED",
	"Access Denied",
	"You must authenticate yourself before accessing this cache."}
};

/* GLOBAL */
char *tmp_error_buf;

/* LOCAL */
static char *tbuf = NULL;
static char *auth_msg = NULL;

void errorInitialize()
{
#ifndef USE_PROXY_AUTH
    tmp_error_buf = xmalloc(MAX_URL * 4);
#else
    tmp_error_buf = xmalloc(8192);
#endif /* USE_PROXY_AUTH */
    meta_data.misc += MAX_URL * 4;
    tbuf = xmalloc(MAX_URL * 3);
    meta_data.misc += MAX_URL * 3;
    auth_msg = xmalloc(MAX_URL * 3);
    meta_data.misc += MAX_URL * 3;
}

void squid_error_entry(entry, type, msg)
     StoreEntry *entry;
     log_type type;
     char *msg;
{
    int index;

    if (type < ERR_MIN || type > ERR_MAX)
	fatal_dump("squid_error_entry: type out of range.");
    index = (int) (type - ERR_MIN);
    debug(4, 1, "%s: %s\n", ErrorData[index].tag, entry->url);
    sprintf(tmp_error_buf, SQUID_ERROR_MSG_P1,
	entry->url,
	entry->url,
	ErrorData[index].shrt);
    if (msg) {
	sprintf(tbuf, SQUID_ERROR_MSG_P2, msg);
	strcat(tmp_error_buf, tbuf);
    }
    sprintf(tbuf, SQUID_ERROR_MSG_P3,
	ErrorData[index].lng,
	Config.errHtmlText,
	appname,
	version_string,
	getMyHostname());
    strcat(tmp_error_buf, tbuf);
    if (entry->mem_obj) {
	entry->mem_obj->abort_code = type;
	if (entry->mem_obj->reply->code == 0)
	    entry->mem_obj->reply->code = 400;
    }
    storeAbort(entry, tmp_error_buf);
}


char *squid_error_url(url, method, type, address, code, msg)
     char *url;
     int method;
     int type;
     char *address;
     int code;
     char *msg;
{
    int index;

    *tmp_error_buf = '\0';
    if (type < ERR_MIN || type > ERR_MAX)
	fatal_dump("squid_error_url: type out of range.");
    index = (int) (type - ERR_MIN);
    debug(4, 1, "%s: %s\n", ErrorData[index].tag, url);
    sprintf(tmp_error_buf, "HTTP/1.0 %d Cache Detected Error\r\nContent-type: text/html\r\n\r\n", code);
    sprintf(tbuf, SQUID_ERROR_MSG_P1,
	url,
	url,
	ErrorData[index].shrt);
    strcat(tmp_error_buf, tbuf);
    if (msg) {
	sprintf(tbuf, SQUID_ERROR_MSG_P2, msg);
	strcat(tmp_error_buf, tbuf);
    }
    sprintf(tbuf, SQUID_ERROR_MSG_P3,
	ErrorData[index].lng,
	Config.errHtmlText,
	appname,
	version_string,
	getMyHostname());
    strcat(tmp_error_buf, tbuf);
    return tmp_error_buf;
}


#define SQUID_REQUEST_ERROR_MSG "\
<HTML><HEAD><TITLE>ERROR: Invalid HTTP Request</TITLE></HEAD>\n\
<BODY><H1>ERROR</H1>\n\
<H2>Invalid HTTP Request</H2>\n\
<HR>\n\
<PRE>\n\
%s\n\
</PRE>\n\
<P>\n\
%s\n\
<HR>\n\
<ADDRESS>\n\
Generated by %s/%s@%s\n\
</ADDRESS></BODY></HTML>\n\
\n"

char *squid_error_request(request, type, address, code)
     char *request;
     int type;
     char *address;
     int code;
{
    int index;

    *tmp_error_buf = '\0';
    if (type < ERR_MIN || type > ERR_MAX)
	fatal_dump("squid_error_request: type out of range.");
    index = (int) (type - ERR_MIN);
    debug(4, 1, "%s: %s\n", ErrorData[index].tag, request);
    sprintf(tmp_error_buf, "HTTP/1.0 %d Cache Detected Error\r\nContent-type: text/html\r\n\r\n", code);
    sprintf(tbuf, SQUID_REQUEST_ERROR_MSG,
	request,
	Config.errHtmlText,
	appname,
	version_string,
	getMyHostname());
    strcat(tmp_error_buf, tbuf);
    return tmp_error_buf;
}

char *access_denied_msg(code, method, url, client)
     int code;
     int method;
     char *url;
     char *client;
{
    sprintf(tmp_error_buf, "\
HTTP/1.0 %d Cache Access Denied\r\n\
Content-type: text/html\r\n\
\r\n\
<HTML><HEAD><TITLE>Cache Access Denied</TITLE></HEAD>\n\
<BODY><H1>Error</H1>\n\
<H2>Access Denied</H2>\n\
<P>\n\
Sorry, you are not currently allowed to request\n\
<PRE>    %s</PRE>\n\
From this cache.  Please check with the\n\
<A HREF=\"mailto:%s\">cache administrator</A>\n\
if you believe this is incorrect.\n\
<P>\n\
%s\n\
<HR>\n\
<ADDRESS>\n\
Generated by %s/%s@%s\n\
</ADDRESS>\n\
\n",
	code,
	url,
	Config.adminEmail,
	Config.errHtmlText,
	appname,
	version_string,
	getMyHostname());
    return tmp_error_buf;
}

/* maex@space.net (06.09.1996)
 *    the message that is sent on deny_info
 *      add a Location: and for old browsers a HREF to the info page
 */
char *access_denied_redirect(code, method, url, client, redirect)
     int code;
     int method;
     char *url;
     char *client;
     char *redirect;
{
    sprintf(tmp_error_buf, "\
HTTP/1.0 %d Cache Access Deny Redirect\r\n\
Location: %s\r\n\
Content-type: text/html\r\n\
\r\n\
<HTML><HEAD><TITLE>Cache Access Denied</TITLE></HEAD>\n\
<BODY><H1>Error</H1>\n\
<H2>Access Denied</H2>\n\
<P>\n\
Sorry, you are not currently allowed to request\n\
<PRE>    %s</PRE>\n\
from this cache.\n\
<P>\n\
You may take a look at\n\
<PRE> <A HREF=\"%s\">%s</A></PRE>\n\
or check with the cache administrator if you\n\
believe this is incorrect.\n\
<P>\n\
%s\n\
<HR>\n\
<ADDRESS>\n\
Generated by %s/%s@%s\n\
</ADDRESS></BODY></HTML>\n\
\n",
	code,
	redirect,
	url,
	redirect,
	redirect,
	Config.errHtmlText,
	appname,
	version_string,
	getMyHostname());
    return tmp_error_buf;
}

char *authorization_needed_msg(request, realm)
     request_t *request;
     char *realm;
{
    sprintf(auth_msg, "<HTML><HEAD><TITLE>Authorization needed</TITLE>\n\
</HEAD><BODY><H1>Authorization needed</H1>\n\
<P>Sorry, you have to authorize yourself to request\n\
<PRE>    ftp://%s@%s%s</PRE>\n\
<P>from this cache.  Please check with the\n\
<A HREF=\"mailto:%s\">cache administrator</A>\n\
if you believe this is incorrect.\n\
<P>\n\
%s\n\
<HR>\n\
<ADDRESS>\n\
Generated by %s/%s@%s\n\
</ADDRESS></BODY></HTML>\n\
\n",
	request->login,
	request->host,
	request->urlpath,
	Config.adminEmail,
	Config.errHtmlText,
	appname,
	version_string,
	getMyHostname());

    mk_mime_hdr(tbuf,
	(time_t) Config.negativeTtl,
	strlen(auth_msg),
	0,
	"text/html");
    sprintf(tmp_error_buf, "HTTP/1.0 401 Unauthorized\r\n\
%s\
WWW-Authenticate: Basic realm=\"%s\"\r\n\
\r\n\
%s",
	tbuf, realm, auth_msg);
    return tmp_error_buf;
}


#define PROXY_AUTH_ERR_MSG "\
HTTP/1.0 %d Cache Access Denied\r\n\
Proxy-Authenticate: Basic realm=\"Squid proxy-caching web server\"\r\n\
Content-type: text/html\r\n\
\r\n\
<TITLE>Cache Access Denied</TITLE>\n\
<H2>Cache Access Denied</H2>\n\
<P>\n\
Sorry, you are not currently allowed to request\n\
<PRE>    %s</PRE>\n\
from this cache until you have authenticated yourself.\n\
\n<p>\
You need to use Netscape version 2.0 or greater, or Microsoft Internet Explorer 3.0\n\
or an HTTP/1.1 compliant browser for this to work.\n\
Please contact the <a href=\"mailto:%s\">cache administrator</a>\n\
if you have difficulties authenticating yourself, or\n\
<a href=\"http://%s/cgi-bin/chpasswd.cgi\">change</a>\n\
your default password.\n\
<P>\n\
%s\n\
<HR>\n\
<ADDRESS>\n\
Generated by %s/%s@%s\n\
</ADDRESS>\n\
"

char *proxy_denied_msg(code, method, url, client)
     int code;
     int method;
     char *url;
     char *client;
{
    sprintf(tmp_error_buf, PROXY_AUTH_ERR_MSG,
	code,
	url,
	Config.adminEmail,
	getMyHostname(),
	Config.errHtmlText,
	appname,
	version_string,
	getMyHostname());
    return tmp_error_buf;
}
Commit	Line	Data
4a9a952e	1
30a4f2a8	2	/*
e92d33a5	3	* $Id: errorpage.cc,v 1.37 1996/09/11 22:31:06 wessels Exp $
30a4f2a8	4	*
	5	* DEBUG: section 4 Error Generation
	6	* AUTHOR: Duane Wessels
	7	*
	8	* SQUID Internet Object Cache http://www.nlanr.net/Squid/
	9	* --------------------------------------------------------
	10	*
	11	* Squid is the result of efforts by numerous individuals from the
	12	* Internet community. Development is led by Duane Wessels of the
	13	* National Laboratory for Applied Network Research and funded by
	14	* the National Science Foundation.
	15	*
	16	* This program is free software; you can redistribute it and/or modify
	17	* it under the terms of the GNU General Public License as published by
	18	* the Free Software Foundation; either version 2 of the License, or
	19	* (at your option) any later version.
	20	*
	21	* This program is distributed in the hope that it will be useful,
	22	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	23	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	24	* GNU General Public License for more details.
	25	*
	26	* You should have received a copy of the GNU General Public License
	27	* along with this program; if not, write to the Free Software
	28	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	29	*
	30	*/
1e74c110	31
44a47c6e	32	#include "squid.h"
1e74c110	33
b8de7ebe	34	#define SQUID_ERROR_MSG_P1 "\
a8f7d3ee	35	<HTML><HEAD>\n\
1e74c110	36	<TITLE>ERROR: The requested URL could not be retrieved</TITLE>\n\
a8f7d3ee	37	</HEAD><BODY>\n\
a8f7d3ee	38	<H1>ERROR</H1>\n\
1e74c110	39	<H2>The requested URL could not be retrieved</H2>\n\
	40	<HR>\n\
	41	<P>\n\
	42	While trying to retrieve the URL:\n\
	43	<A HREF=\"%s\">%s</A>\n\
	44	<P>\n\
	45	The following error was encountered:\n\
	46	<UL>\n\
	47	<LI><STRONG>%s</STRONG>\n\
	48	</UL>\n\
	49	"
	50
b8de7ebe	51	#define SQUID_ERROR_MSG_P2 "\
1e74c110	52	<P>The system returned:\n\
	53	<PRE><I> %s</I></PRE>\n\
	54	"
	55
b8de7ebe	56	#define SQUID_ERROR_MSG_P3 "\
1e74c110	57	<P>This means that:\n\
	58	<PRE>\n\
	59	%s\n\
	60	</PRE>\n\
6e40f263	61	<P>\n\
	62	%s\n\
	63	<HR>\n\
1e74c110	64	<ADDRESS>\n\
b8de7ebe	65	Generated by %s/%s@%s\n\
a8f7d3ee	66	</ADDRESS></BODY></HTML>\n\
1e74c110	67	\n"
	68
	69	typedef struct {
	70	char *tag;
	71	char *shrt;
	72	char *lng;
	73	} error_data;
	74
	75	error_data ErrorData[] =
	76	{
1e74c110	77	{"ERR_READ_TIMEOUT",
	78	"Read Timeout",
	79	"The remote site or network may be down. Please try again."},
	80	{"ERR_LIFETIME_EXP",
	81	"Transaction Timeout",
	82	"The network or remote site may be down or too slow. Try again later."},
	83	{"ERR_NO_CLIENTS_BIG_OBJ",
	84	"No Client",
	85	"All Clients went away before tranmission completed and the object is too big to cache."},
	86	{"ERR_READ_ERROR",
	87	"Read Error",
	88	"The remote site or network may be down. Please try again."},
	89	{"ERR_CLIENT_ABORT",
	90	"Client Aborted",
	91	"Client(s) dropped connection before transmission completed.\nObject fetching is aborted.",},
	92	{"ERR_CONNECT_FAIL",
	93	"Connection Failed",
	94	"The remote site or server may be down. Please try again soon."},
6eb42cae	95	{"ERR_INVALID_REQUEST",
	96	"Invalid HTTP request",
	97	"Please double check it, or ask for assistance."},
a8f7d3ee	98	{"ERR_UNSUP_REQUEST",
	99	"Unsupported request",
	100	"This request method is not supported for this protocol."},
1e74c110	101	{"ERR_INVALID_URL",
	102	"Invalid URL syntax",
	103	"Please double check it, or ask for assistance."},
	104	{"ERR_NO_FDS",
	105	"Out of file descriptors",
	106	"The cache is currently very busy. Please try again."},
	107	{"ERR_DNS_FAIL",
	108	"DNS name lookup failure",
	109	"The named host probably does not exist."},
	110	{"ERR_NOT_IMPLEMENTED",
3988ba3f	111	"Protocol Not Supported",
3988ba3f	112	"The cache does not know about the requested protocol."},
1e74c110	113	{"ERR_CANNOT_FETCH",
3988ba3f	114	"Unable to Retrieve",
3988ba3f	115	"The requested URL can not currently be retrieved."},
1e74c110	116	{"ERR_NO_RELAY",
3988ba3f	117	"No WAIS Relay",
3988ba3f	118	"There is no WAIS relay host defined for this cache."},
1e74c110	119	{"ERR_DISK_IO",
	120	"Cache Disk I/O Failure",
	121	"The system disk is out of space or failing."},
ba718c8f	122	{"ERR_ZERO_SIZE_OBJECT",
ba718c8f	123	"No Object Data",
a8f7d3ee	124	"The remote server closed the connection before sending any data."},
	125	{"ERR_PROXY_DENIED",
	126	"Access Denied",
	127	"You must authenticate yourself before accessing this cache."}
1e74c110	128	};
1e74c110	129
44a47c6e	130	/* GLOBAL */
1e69e30f	131	char *tmp_error_buf;
44a47c6e	132
44a47c6e	133	/* LOCAL */
30a4f2a8	134	static char *tbuf = NULL;
1b0124ff	135	static char *auth_msg = NULL;
1e74c110	136
fa966b74	137	void errorInitialize()
fa966b74	138	{
e81957b7	139	#ifndef USE_PROXY_AUTH
30a4f2a8	140	tmp_error_buf = xmalloc(MAX_URL * 4);
e81957b7	141	#else
	142	tmp_error_buf = xmalloc(8192);
	143	#endif /* USE_PROXY_AUTH */
5162fc3c	144	meta_data.misc += MAX_URL * 4;
30a4f2a8	145	tbuf = xmalloc(MAX_URL * 3);
5162fc3c	146	meta_data.misc += MAX_URL * 3;
e381a13d	147	auth_msg = xmalloc(MAX_URL * 3);
e381a13d	148	meta_data.misc += MAX_URL * 3;
1e69e30f	149	}
1e69e30f	150
b8de7ebe	151	void squid_error_entry(entry, type, msg)
1e74c110	152	StoreEntry *entry;
620da955	153	log_type type;
1e74c110	154	char *msg;
1e74c110	155	{
6350239f	156	int index;
e92d33a5	157
6350239f	158	if (type < ERR_MIN \|\| type > ERR_MAX)
b8de7ebe	159	fatal_dump("squid_error_entry: type out of range.");
6350239f	160	index = (int) (type - ERR_MIN);
e4209be8	161	debug(4, 1, "%s: %s\n", ErrorData[index].tag, entry->url);
b8de7ebe	162	sprintf(tmp_error_buf, SQUID_ERROR_MSG_P1,
1e74c110	163	entry->url,
1e74c110	164	entry->url,
6350239f	165	ErrorData[index].shrt);
1e74c110	166	if (msg) {
b8de7ebe	167	sprintf(tbuf, SQUID_ERROR_MSG_P2, msg);
1e74c110	168	strcat(tmp_error_buf, tbuf);
1e74c110	169	}
b8de7ebe	170	sprintf(tbuf, SQUID_ERROR_MSG_P3,
6350239f	171	ErrorData[index].lng,
6e40f263	172	Config.errHtmlText,
b8de7ebe	173	appname,
8213067d	174	version_string,
44a47c6e	175	getMyHostname());
1e74c110	176	strcat(tmp_error_buf, tbuf);
6e40f263	177	if (entry->mem_obj) {
	178	entry->mem_obj->abort_code = type;
	179	if (entry->mem_obj->reply->code == 0)
	180	entry->mem_obj->reply->code = 400;
	181	}
1e74c110	182	storeAbort(entry, tmp_error_buf);
1e74c110	183	}
	184
	185
	186
b8de7ebe	187	char *squid_error_url(url, method, type, address, code, msg)
1e74c110	188	char *url;
6eb42cae	189	int method;
6350239f	190	int type;
6eb42cae	191	char *address;
f98fc672	192	int code;
1e74c110	193	char *msg;
1e74c110	194	{
6350239f	195	int index;
e92d33a5	196
1e69e30f	197	*tmp_error_buf = '\0';
234967c9	198	if (type < ERR_MIN \|\| type > ERR_MAX)
b8de7ebe	199	fatal_dump("squid_error_url: type out of range.");
6350239f	200	index = (int) (type - ERR_MIN);
e4209be8	201	debug(4, 1, "%s: %s\n", ErrorData[index].tag, url);
f98fc672	202	sprintf(tmp_error_buf, "HTTP/1.0 %d Cache Detected Error\r\nContent-type: text/html\r\n\r\n", code);
b8de7ebe	203	sprintf(tbuf, SQUID_ERROR_MSG_P1,
1e74c110	204	url,
1e74c110	205	url,
6350239f	206	ErrorData[index].shrt);
f98fc672	207	strcat(tmp_error_buf, tbuf);
1e74c110	208	if (msg) {
b8de7ebe	209	sprintf(tbuf, SQUID_ERROR_MSG_P2, msg);
1e74c110	210	strcat(tmp_error_buf, tbuf);
1e74c110	211	}
b8de7ebe	212	sprintf(tbuf, SQUID_ERROR_MSG_P3,
6350239f	213	ErrorData[index].lng,
6e40f263	214	Config.errHtmlText,
b8de7ebe	215	appname,
8213067d	216	version_string,
44a47c6e	217	getMyHostname());
30a4f2a8	218	strcat(tmp_error_buf, tbuf);
6eb42cae	219	return tmp_error_buf;
	220	}
	221
	222
b8de7ebe	223	#define SQUID_REQUEST_ERROR_MSG "\
a8f7d3ee	224	<HTML><HEAD><TITLE>ERROR: Invalid HTTP Request</TITLE></HEAD>\n\
a8f7d3ee	225	<BODY><H1>ERROR</H1>\n\
6eb42cae	226	<H2>Invalid HTTP Request</H2>\n\
	227	<HR>\n\
	228	<PRE>\n\
	229	%s\n\
	230	</PRE>\n\
6e40f263	231	<P>\n\
6e40f263	232	%s\n\
6eb42cae	233	<HR>\n\
6eb42cae	234	<ADDRESS>\n\
b8de7ebe	235	Generated by %s/%s@%s\n\
a8f7d3ee	236	</ADDRESS></BODY></HTML>\n\
6eb42cae	237	\n"
6eb42cae	238
b8de7ebe	239	char *squid_error_request(request, type, address, code)
6eb42cae	240	char *request;
	241	int type;
	242	char *address;
f98fc672	243	int code;
6eb42cae	244	{
0ed8bcfc	245	int index;
e92d33a5	246
1e69e30f	247	*tmp_error_buf = '\0';
234967c9	248	if (type < ERR_MIN \|\| type > ERR_MAX)
30a4f2a8	249	fatal_dump("squid_error_request: type out of range.");
0ed8bcfc	250	index = (int) (type - ERR_MIN);
e4209be8	251	debug(4, 1, "%s: %s\n", ErrorData[index].tag, request);
f98fc672	252	sprintf(tmp_error_buf, "HTTP/1.0 %d Cache Detected Error\r\nContent-type: text/html\r\n\r\n", code);
b8de7ebe	253	sprintf(tbuf, SQUID_REQUEST_ERROR_MSG,
6eb42cae	254	request,
6e40f263	255	Config.errHtmlText,
b8de7ebe	256	appname,
8213067d	257	version_string,
6eb42cae	258	getMyHostname());
f98fc672	259	strcat(tmp_error_buf, tbuf);
1e74c110	260	return tmp_error_buf;
1e74c110	261	}
8213067d	262
20c9fc21	263	char *access_denied_msg(code, method, url, client)
	264	int code;
	265	int method;
	266	char *url;
	267	char *client;
8213067d	268	{
20c9fc21	269	sprintf(tmp_error_buf, "\
92a6f4b1	270	HTTP/1.0 %d Cache Access Denied\r\n\
8213067d	271	Content-type: text/html\r\n\
8213067d	272	\r\n\
a8f7d3ee	273	<HTML><HEAD><TITLE>Cache Access Denied</TITLE></HEAD>\n\
a8f7d3ee	274	<BODY><H1>Error</H1>\n\
8213067d	275	<H2>Access Denied</H2>\n\
8213067d	276	<P>\n\
92a6f4b1	277	Sorry, you are not currently allowed to request\n\
8213067d	278	<PRE> %s</PRE>\n\
71f857d4	279	From this cache. Please check with the\n\
4a9a952e	280	<A HREF=\"mailto:%s\">cache administrator</A>\n\
4a9a952e	281	if you believe this is incorrect.\n\
6e40f263	282	<P>\n\
6e40f263	283	%s\n\
8213067d	284	<HR>\n\
8213067d	285	<ADDRESS>\n\
b8de7ebe	286	Generated by %s/%s@%s\n\
8213067d	287	</ADDRESS>\n\
	288	\n",
	289	code,
	290	url,
b6f794d6	291	Config.adminEmail,
6e40f263	292	Config.errHtmlText,
b8de7ebe	293	appname,
8213067d	294	version_string,
8213067d	295	getMyHostname());
20c9fc21	296	return tmp_error_buf;
8213067d	297	}
e381a13d	298
e92d33a5	299	/* maex@space.net (06.09.1996)
	300	* the message that is sent on deny_info
	301	* add a Location: and for old browsers a HREF to the info page
	302	*/
	303	char *access_denied_redirect(code, method, url, client, redirect)
	304	int code;
	305	int method;
	306	char *url;
	307	char *client;
	308	char *redirect;
	309	{
	310	sprintf(tmp_error_buf, "\
	311	HTTP/1.0 %d Cache Access Deny Redirect\r\n\
	312	Location: %s\r\n\
	313	Content-type: text/html\r\n\
	314	\r\n\
	315	<HTML><HEAD><TITLE>Cache Access Denied</TITLE></HEAD>\n\
	316	<BODY><H1>Error</H1>\n\
	317	<H2>Access Denied</H2>\n\
	318	<P>\n\
	319	Sorry, you are not currently allowed to request\n\
	320	<PRE> %s</PRE>\n\
	321	from this cache.\n\
	322	<P>\n\
	323	You may take a look at\n\
	324	<PRE> <A HREF=\"%s\">%s</A></PRE>\n\
	325	or check with the cache administrator if you\n\
	326	believe this is incorrect.\n\
	327	<P>\n\
	328	%s\n\
	329	<HR>\n\
	330	<ADDRESS>\n\
	331	Generated by %s/%s@%s\n\
	332	</ADDRESS></BODY></HTML>\n\
	333	\n",
	334	code,
	335	redirect,
	336	url,
	337	redirect,
	338	redirect,
	339	Config.errHtmlText,
	340	appname,
	341	version_string,
	342	getMyHostname());
	343	return tmp_error_buf;
	344	}
	345
e381a13d	346	char *authorization_needed_msg(request, realm)
	347	request_t *request;
	348	char *realm;
	349	{
db9f331f	350	sprintf(auth_msg, "<HTML><HEAD><TITLE>Authorization needed</TITLE>\n\
	351	</HEAD><BODY><H1>Authorization needed</H1>\n\
	352	<P>Sorry, you have to authorize yourself to request\n\
e381a13d	353	<PRE> ftp://%s@%s%s</PRE>\n\
db9f331f	354	<P>from this cache. Please check with the\n\
71f857d4	355	<A HREF=\"mailto:%s\">cache administrator</A>\n\
71f857d4	356	if you believe this is incorrect.\n\
6e40f263	357	<P>\n\
6e40f263	358	%s\n\
e381a13d	359	<HR>\n\
	360	<ADDRESS>\n\
	361	Generated by %s/%s@%s\n\
db9f331f	362	</ADDRESS></BODY></HTML>\n\
e381a13d	363	\n",
	364	request->login,
	365	request->host,
	366	request->urlpath,
b6f794d6	367	Config.adminEmail,
6e40f263	368	Config.errHtmlText,
e381a13d	369	appname,
	370	version_string,
	371	getMyHostname());
	372
	373	mk_mime_hdr(tbuf,
b6f794d6	374	(time_t) Config.negativeTtl,
e381a13d	375	strlen(auth_msg),
	376	0,
	377	"text/html");
	378	sprintf(tmp_error_buf, "HTTP/1.0 401 Unauthorized\r\n\
	379	%s\
	380	WWW-Authenticate: Basic realm=\"%s\"\r\n\
	381	\r\n\
	382	%s",
	383	tbuf, realm, auth_msg);
	384	return tmp_error_buf;
	385	}
e81957b7	386
	387
	388	#define PROXY_AUTH_ERR_MSG "\
	389	HTTP/1.0 %d Cache Access Denied\r\n\
	390	Proxy-Authenticate: Basic realm=\"Squid proxy-caching web server\"\r\n\
	391	Content-type: text/html\r\n\
	392	\r\n\
	393	<TITLE>Cache Access Denied</TITLE>\n\
	394	<H2>Cache Access Denied</H2>\n\
	395	<P>\n\
	396	Sorry, you are not currently allowed to request\n\
	397	<PRE> %s</PRE>\n\
	398	from this cache until you have authenticated yourself.\n\
	399	\n<p>\
	400	You need to use Netscape version 2.0 or greater, or Microsoft Internet Explorer 3.0\n\
	401	or an HTTP/1.1 compliant browser for this to work.\n\
	402	Please contact the <a href=\"mailto:%s\">cache administrator</a>\n\
	403	if you have difficulties authenticating yourself, or\n\
	404	<a href=\"http://%s/cgi-bin/chpasswd.cgi\">change</a>\n\
	405	your default password.\n\
	406	<P>\n\
	407	%s\n\
	408	<HR>\n\
	409	<ADDRESS>\n\
	410	Generated by %s/%s@%s\n\
	411	</ADDRESS>\n\
	412	"
	413
	414	char *proxy_denied_msg(code, method, url, client)
	415	int code;
	416	int method;
	417	char *url;
	418	char *client;
	419	{
	420	sprintf(tmp_error_buf, PROXY_AUTH_ERR_MSG,
	421	code,
	422	url,
	423	Config.adminEmail,
	424	getMyHostname(),
	425	Config.errHtmlText,
	426	appname,
	427	version_string,
	428	getMyHostname());
	429	return tmp_error_buf;
	430	}