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mapservutil.c
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mapservutil.c
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/******************************************************************************
* $id$
*
* Project: MapServer
* Purpose: MapServer CGI utility functions.
* Author: Steve Lime and the MapServer team.
*
******************************************************************************
* Copyright (c) 1996-2005 Regents of the University of Minnesota.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of this Software or works derived from this Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "mapserver.h"
#include "mapserv.h"
#include "maptime.h"
#include "mapows.h"
#include "cpl_conv.h"
/*
** Enumerated types, keep the query modes in sequence and at the end of the enumeration (mode enumeration is in maptemplate.h).
*/
static int numModes = 23;
static char *modeStrings[23] = {"BROWSE","ZOOMIN","ZOOMOUT","MAP","LEGEND","LEGENDICON","REFERENCE","SCALEBAR","COORDINATE",
"QUERY","NQUERY","ITEMQUERY","ITEMNQUERY",
"FEATUREQUERY","FEATURENQUERY","ITEMFEATUREQUERY","ITEMFEATURENQUERY",
"INDEXQUERY","TILE","OWS", "WFS", "MAPLEGEND", "MAPLEGENDICON"
};
int msCGIWriteLog(mapservObj *mapserv, int show_error)
{
FILE *stream;
int i;
time_t t;
char szPath[MS_MAXPATHLEN];
if(!mapserv) return(MS_SUCCESS);
if(!mapserv->map) return(MS_SUCCESS);
if(!mapserv->map->web.log) return(MS_SUCCESS);
if((stream = fopen(msBuildPath(szPath, mapserv->map->mappath,
mapserv->map->web.log),"a")) == NULL) {
msSetError(MS_IOERR, "%s", "msCGIWriteLog()", mapserv->map->web.log);
return(MS_FAILURE);
}
t = time(NULL);
fprintf(stream,"%s,",msStringChop(ctime(&t)));
fprintf(stream,"%d,",(int)getpid());
if(getenv("REMOTE_ADDR") != NULL)
fprintf(stream,"%s,",getenv("REMOTE_ADDR"));
else
fprintf(stream,"NULL,");
fprintf(stream,"%s,",mapserv->map->name);
fprintf(stream,"%d,",mapserv->Mode);
fprintf(stream,"%f %f %f %f,", mapserv->map->extent.minx, mapserv->map->extent.miny, mapserv->map->extent.maxx, mapserv->map->extent.maxy);
fprintf(stream,"%f %f,", mapserv->mappnt.x, mapserv->mappnt.y);
for(i=0; i<mapserv->NumLayers; i++)
fprintf(stream, "%s ", mapserv->Layers[i]);
fprintf(stream,",");
if(show_error == MS_TRUE)
msWriteError(stream);
else
fprintf(stream, "normal execution");
fprintf(stream,"\n");
fclose(stream);
return(MS_SUCCESS);
}
void msCGIWriteError(mapservObj *mapserv)
{
errorObj *ms_error = msGetErrorObj();
if(!ms_error || ms_error->code == MS_NOERR || ms_error->isreported) {
/* either we have no error, or it was already reported by other means */
return;
}
msCGIWriteLog(mapserv,MS_TRUE);
if(!mapserv || !mapserv->map) {
msIO_setHeader("Content-Type","text/html");
msIO_sendHeaders();
msIO_printf("<HTML>\n");
msIO_printf("<HEAD><TITLE>MapServer Message</TITLE></HEAD>\n");
msIO_printf("<!-- %s -->\n", msGetVersion());
msIO_printf("<BODY BGCOLOR=\"#FFFFFF\">\n");
msWriteErrorXML(stdout);
msIO_printf("</BODY></HTML>");
return;
}
if((ms_error->code == MS_NOTFOUND) && (mapserv->map->web.empty)) {
/* msRedirect(mapserv->map->web.empty); */
if(msReturnURL(mapserv, mapserv->map->web.empty, BROWSE) != MS_SUCCESS) {
msIO_setHeader("Content-Type","text/html");
msIO_sendHeaders();
msIO_printf("<HTML>\n");
msIO_printf("<HEAD><TITLE>MapServer Message</TITLE></HEAD>\n");
msIO_printf("<!-- %s -->\n", msGetVersion());
msIO_printf("<BODY BGCOLOR=\"#FFFFFF\">\n");
msWriteErrorXML(stdout);
msIO_printf("</BODY></HTML>");
}
} else {
if(mapserv->map->web.error) {
/* msRedirect(mapserv->map->web.error); */
if(msReturnURL(mapserv, mapserv->map->web.error, BROWSE) != MS_SUCCESS) {
msIO_setHeader("Content-Type","text/html");
msIO_sendHeaders();
msIO_printf("<HTML>\n");
msIO_printf("<HEAD><TITLE>MapServer Message</TITLE></HEAD>\n");
msIO_printf("<!-- %s -->\n", msGetVersion());
msIO_printf("<BODY BGCOLOR=\"#FFFFFF\">\n");
msWriteErrorXML(stdout);
msIO_printf("</BODY></HTML>");
}
} else {
msIO_setHeader("Content-Type","text/html");
msIO_sendHeaders();
msIO_printf("<HTML>\n");
msIO_printf("<HEAD><TITLE>MapServer Message</TITLE></HEAD>\n");
msIO_printf("<!-- %s -->\n", msGetVersion());
msIO_printf("<BODY BGCOLOR=\"#FFFFFF\">\n");
msWriteErrorXML(stdout);
msIO_printf("</BODY></HTML>");
}
}
}
/*
** Converts a string (e.g. form parameter) to a double, first checking the format against
** a regular expression. returns an error if the format test fails.
*/
#define GET_NUMERIC(string,dbl) do { \
dbl = strtod((string), &strtoderr);\
if (*strtoderr) {\
msSetError(MS_TYPEERR, NULL, "GET_NUMERIC()");\
return MS_FAILURE;\
}\
} while (0)
#define GET_NUMERIC_NO_ERROR(string,dbl) dbl = strtod((string), &strtoderr);
#define FREE_TOKENS_ON_ERROR(ntok) if(!strtoderr) {\
msSetError(MS_TYPEERR, "invalid number", "msCGILoadForm()");\
msFreeCharArray(tokens,(ntok));\
return MS_FAILURE;\
}
static void setClassGroup(layerObj *layer, char *classgroup)
{
int i;
if(!layer || !classgroup) return;
for(i=0; i<layer->numclasses; i++) {
if(layer->class[i]->group && strcmp(layer->class[i]->group, classgroup) == 0) {
msFree(layer->classgroup);
layer->classgroup = msStrdup(classgroup);
return; /* bail */
}
}
}
/*
** Extract Map File name from params and load it.
** Returns map object or NULL on error.
*/
mapObj *msCGILoadMap(mapservObj *mapserv)
{
int i, j;
mapObj *map = NULL;
const char *ms_mapfile = CPLGetConfigOption("MS_MAPFILE", NULL);
const char *ms_map_no_path = CPLGetConfigOption("MS_MAP_NO_PATH", NULL);
const char *ms_map_pattern = CPLGetConfigOption("MS_MAP_PATTERN", NULL);
for(i=0; i<mapserv->request->NumParams; i++) /* find the mapfile parameter first */
if(strcasecmp(mapserv->request->ParamNames[i], "map") == 0) break;
if(i == mapserv->request->NumParams) {
if(ms_mapfile != NULL) {
map = msLoadMap(ms_mapfile,NULL);
} else {
msSetError(MS_WEBERR, "CGI variable \"map\" is not set.", "msCGILoadMap()"); /* no default, outta here */
return NULL;
}
} else {
if(getenv(mapserv->request->ParamValues[i])) /* an environment variable references the actual file to use */
map = msLoadMap(getenv(mapserv->request->ParamValues[i]), NULL);
else {
/* by here we know the request isn't for something in an environment variable */
if(ms_map_no_path != NULL) {
msSetError(MS_WEBERR, "Mapfile not found in environment variables and this server is not configured for full paths.", "msCGILoadMap()");
return NULL;
}
if(ms_map_pattern != NULL && msEvalRegex(ms_map_pattern, mapserv->request->ParamValues[i]) != MS_TRUE) {
msSetError(MS_WEBERR, "Parameter 'map' value fails to validate.", "msCGILoadMap()");
return NULL;
}
/* ok to try to load now */
map = msLoadMap(mapserv->request->ParamValues[i], NULL);
}
}
if(!map) return NULL;
if(!msLookupHashTable(&(map->web.validation), "immutable")) {
/* check for any %variable% substitutions here, also do any map_ changes, we do this here so WMS/WFS */
/* services can take advantage of these "vendor specific" extensions */
for(i=0; i<mapserv->request->NumParams; i++) {
/*
** a few CGI variables should be skipped altogether
**
** qstring: there is separate per layer validation for attribute queries and the substitution checks
** below conflict with that so we avoid it here
*/
if(strncasecmp(mapserv->request->ParamNames[i],"qstring",7) == 0) continue;
/* check to see if there are any additions to the mapfile */
if(strncasecmp(mapserv->request->ParamNames[i],"map_",4) == 0 || strncasecmp(mapserv->request->ParamNames[i],"map.",4) == 0) {
if(msUpdateMapFromURL(map, mapserv->request->ParamNames[i], mapserv->request->ParamValues[i]) != MS_SUCCESS) {
msFreeMap(map);
return NULL;
}
continue;
}
if(strncasecmp(mapserv->request->ParamNames[i],"classgroup",10) == 0) { /* #4207 */
for(j=0; j<map->numlayers; j++) {
setClassGroup(GET_LAYER(map, j), mapserv->request->ParamValues[i]);
}
continue;
}
}
msApplySubstitutions(map, mapserv->request->ParamNames, mapserv->request->ParamValues, mapserv->request->NumParams);
msApplyDefaultSubstitutions(map);
/* check to see if a ogc map context is passed as argument. if there */
/* is one load it */
for(i=0; i<mapserv->request->NumParams; i++) {
if(strcasecmp(mapserv->request->ParamNames[i],"context") == 0) {
if(mapserv->request->ParamValues[i] && strlen(mapserv->request->ParamValues[i]) > 0) {
if(strncasecmp(mapserv->request->ParamValues[i],"http",4) == 0) {
if(msGetConfigOption(map, "CGI_CONTEXT_URL"))
msLoadMapContextURL(map, mapserv->request->ParamValues[i], MS_FALSE);
} else
msLoadMapContext(map, mapserv->request->ParamValues[i], MS_FALSE);
}
}
}
}
/*
* RFC-42 HTTP Cookie Forwarding
* Here we set the http_cookie_data metadata to handle the
* HTTP Cookie Forwarding. The content of this metadata is the cookie
* content. In the future, this metadata will probably be replaced
* by an object that is part of the mapObject that would contain
* information on the application status (such as cookie).
*/
if( mapserv->request->httpcookiedata != NULL ) {
msInsertHashTable( &(map->web.metadata), "http_cookie_data",
mapserv->request->httpcookiedata );
}
return map;
}
/*
** Set operation mode. First look in MS_MODE env. var. as a
** default value that can be overridden by the mode=... CGI param.
** Returns silently, leaving mapserv->Mode unchanged if mode param not set.
*/
int msCGISetMode(mapservObj *mapserv)
{
const char *mode = NULL;
int i, j;
mode = getenv("MS_MODE");
for( i=0; i<mapserv->request->NumParams; i++ ) {
if(strcasecmp(mapserv->request->ParamNames[i], "mode") == 0) {
mode = mapserv->request->ParamValues[i];
break;
}
}
if (mode) {
for(j=0; j<numModes; j++) {
if(strcasecmp(mode, modeStrings[j]) == 0) {
mapserv->Mode = j;
break;
}
}
if(j == numModes) {
msSetError(MS_WEBERR, "Invalid mode.", "msCGISetMode()");
return MS_FAILURE;
}
}
if (mapserv->Mode >= 0)
{
int disabled = MS_FALSE;
const char* enable_modes = msLookupHashTable(&mapserv->map->web.metadata, "ms_enable_modes");
if (!msOWSParseRequestMetadata(enable_modes, mode, &disabled) && disabled) {
/* the current mode is disabled */
msSetError(MS_WEBERR, "The specified mode '%s' is not supported by the current map configuration", "msCGISetMode()", mode);
return MS_FAILURE;
}
}
return MS_SUCCESS;
}
/*
** Process CGI parameters.
*/
int msCGILoadForm(mapservObj *mapserv)
{
int i,n;
char **tokens=NULL;
int rosa_type=0;
double tmpval;
char *strtoderr;
for(i=0; i<mapserv->request->NumParams; i++) { /* now process the rest of the form variables */
if(strlen(mapserv->request->ParamValues[i]) == 0)
continue;
if(strcasecmp(mapserv->request->ParamNames[i],"icon") == 0) {
mapserv->icon = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"queryfile") == 0) {
mapserv->QueryFile = msStrdup(mapserv->request->ParamValues[i]);
if(msValidateParameter(mapserv->QueryFile, msLookupHashTable(&(mapserv->map->web.validation), "queryfile"), NULL, NULL, NULL) != MS_SUCCESS) {
msSetError(MS_WEBERR, "Parameter 'queryfile' value fails to validate.", "mapserv()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"savequery") == 0) {
mapserv->savequery = MS_TRUE;
continue;
}
/* Insecure as implemented, need to save someplace non accessible by everyone in the universe
if(strcasecmp(mapserv->request->ParamNames[i],"savemap") == 0) {
mapserv->savemap = MS_TRUE;
continue;
}
*/
if(strcasecmp(mapserv->request->ParamNames[i],"zoom") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->Zoom);
if((mapserv->Zoom > MAXZOOM) || (mapserv->Zoom < MINZOOM)) {
msSetError(MS_WEBERR, "Zoom value out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"zoomdir") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],tmpval);
mapserv->ZoomDirection = (int)tmpval;
if((mapserv->ZoomDirection != -1) && (mapserv->ZoomDirection != 1) && (mapserv->ZoomDirection != 0)) {
msSetError(MS_WEBERR, "Zoom direction must be 1, 0 or -1.", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"zoomsize") == 0) { /* absolute zoom magnitude */
GET_NUMERIC(mapserv->request->ParamValues[i],tmpval);
mapserv->ZoomSize = (int)tmpval;
if((mapserv->ZoomSize > MAXZOOM) || (mapserv->ZoomSize < 1)) {
msSetError(MS_WEBERR, "Invalid zoom size.", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"imgext") == 0) { /* extent of an existing image in a web application */
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 4) {
msSetError(MS_WEBERR, "Not enough arguments for imgext.", "msCGILoadForm()");
msFreeCharArray(tokens,n);
return MS_FAILURE;
}
GET_NUMERIC_NO_ERROR(tokens[0],mapserv->ImgExt.minx);
FREE_TOKENS_ON_ERROR(4);
GET_NUMERIC_NO_ERROR(tokens[1],mapserv->ImgExt.miny);
FREE_TOKENS_ON_ERROR(4);
GET_NUMERIC_NO_ERROR(tokens[2],mapserv->ImgExt.maxx);
FREE_TOKENS_ON_ERROR(4);
GET_NUMERIC_NO_ERROR(tokens[3],mapserv->ImgExt.maxy);
FREE_TOKENS_ON_ERROR(4);
msFreeCharArray(tokens, 4);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"searchmap") == 0) {
mapserv->SearchMap = MS_TRUE;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"id") == 0) {
if(msEvalRegex(IDPATTERN, mapserv->request->ParamValues[i]) == MS_FALSE) {
msSetError(MS_WEBERR, "Parameter 'id' value fails to validate.", "msCGILoadForm()");
return MS_FAILURE;
}
strlcpy(mapserv->Id, mapserv->request->ParamValues[i], IDSIZE);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"mapext") == 0) { /* extent of the new map or query */
if(strncasecmp(mapserv->request->ParamValues[i],"shape",5) == 0)
mapserv->UseShapes = MS_TRUE;
else {
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 4) {
msSetError(MS_WEBERR, "Not enough arguments for mapext.", "msCGILoadForm()");
msFreeCharArray(tokens,n);
return MS_FAILURE;
}
GET_NUMERIC_NO_ERROR(tokens[0],mapserv->map->extent.minx);
FREE_TOKENS_ON_ERROR(4);
GET_NUMERIC_NO_ERROR(tokens[1],mapserv->map->extent.miny);
FREE_TOKENS_ON_ERROR(4);
GET_NUMERIC_NO_ERROR(tokens[2],mapserv->map->extent.maxx);
FREE_TOKENS_ON_ERROR(4);
GET_NUMERIC_NO_ERROR(tokens[3],mapserv->map->extent.maxy);
FREE_TOKENS_ON_ERROR(4);
msFreeCharArray(tokens, 4);
#ifdef USE_PROJ
/*
* If there is a projection in the map file, and it is not lon/lat, and the
* extents "look like" they *are* lon/lat, based on their size,
* then convert the extents to the map file projection.
*
* DANGER: If the extents are legitimately in the mapfile projection
* and coincidentally fall in the lon/lat range, bad things
* will ensue.
*/
if(mapserv->map->projection.proj && !pj_is_latlong(mapserv->map->projection.proj)
&& (mapserv->map->extent.minx >= -180.0 && mapserv->map->extent.minx <= 180.0)
&& (mapserv->map->extent.miny >= -90.0 && mapserv->map->extent.miny <= 90.0)
&& (mapserv->map->extent.maxx >= -180.0 && mapserv->map->extent.maxx <= 180.0)
&& (mapserv->map->extent.maxy >= -90.0 && mapserv->map->extent.maxy <= 90.0)) {
msProjectRect(&(mapserv->map->latlon), &(mapserv->map->projection), &(mapserv->map->extent)); /* extent is a in lat/lon */
}
#endif
if((mapserv->map->extent.minx != mapserv->map->extent.maxx) && (mapserv->map->extent.miny != mapserv->map->extent.maxy)) { /* extent seems ok */
mapserv->CoordSource = FROMUSERBOX;
mapserv->QueryCoordSource = FROMUSERBOX;
}
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"minx") == 0) { /* extent of the new map, in pieces */
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->map->extent.minx);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"maxx") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->map->extent.maxx);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"miny") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->map->extent.miny);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"maxy") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->map->extent.maxy);
mapserv->CoordSource = FROMUSERBOX;
mapserv->QueryCoordSource = FROMUSERBOX;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"mapxy") == 0) { /* user map coordinate */
if(strncasecmp(mapserv->request->ParamValues[i],"shape",5) == 0) {
mapserv->UseShapes = MS_TRUE;
} else {
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 2) {
msSetError(MS_WEBERR, "Not enough arguments for mapxy.", "msCGILoadForm()");
msFreeCharArray(tokens,n);
return MS_FAILURE;
}
GET_NUMERIC_NO_ERROR(tokens[0],mapserv->mappnt.x );
FREE_TOKENS_ON_ERROR(2);
GET_NUMERIC_NO_ERROR(tokens[1],mapserv->mappnt.y );
FREE_TOKENS_ON_ERROR(2);
msFreeCharArray(tokens, 2);
#ifdef USE_PROJ
if(mapserv->map->projection.proj && !pj_is_latlong(mapserv->map->projection.proj)
&& (mapserv->mappnt.x >= -180.0 && mapserv->mappnt.x <= 180.0)
&& (mapserv->mappnt.y >= -90.0 && mapserv->mappnt.y <= 90.0)) {
msProjectPoint(&(mapserv->map->latlon), &(mapserv->map->projection), &mapserv->mappnt); /* point is a in lat/lon */
}
#endif
if(mapserv->CoordSource == NONE) { /* don't override previous settings (i.e. buffer or scale ) */
mapserv->CoordSource = FROMUSERPNT;
mapserv->QueryCoordSource = FROMUSERPNT;
}
}
continue;
}
/*
** Query shape consisting of map or image coordinates. It's almost identical processing so we'll do either in this block...
*/
if(strcasecmp(mapserv->request->ParamNames[i], "mapshape") == 0 || strcasecmp(mapserv->request->ParamNames[i], "imgshape") == 0) {
if(strcasecmp(mapserv->request->ParamNames[i],"mapshape") == 0)
mapserv->QueryCoordSource = FROMUSERSHAPE;
else
mapserv->QueryCoordSource = FROMIMGSHAPE;
if(strchr(mapserv->request->ParamValues[i], '(') != NULL) { /* try WKT */
if((mapserv->map->query.shape = msShapeFromWKT(mapserv->request->ParamValues[i])) == NULL) {
msSetError(MS_WEBERR, "WKT parse failed for mapshape/imgshape.", "msCGILoadForm()");
return MS_FAILURE;
}
} else {
lineObj line= {0,NULL};
char **tmp=NULL;
int n, j;
tmp = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(n%2 != 0 || n<8) { /* n must be even and be at least 8 */
msSetError(MS_WEBERR, "Malformed polygon geometry for mapshape/imgshape.", "msCGILoadForm()");
msFreeCharArray(tmp,n);
return MS_FAILURE;
}
line.numpoints = n/2;
line.point = (pointObj *)msSmallMalloc(sizeof(pointObj)*line.numpoints);
mapserv->map->query.shape = (shapeObj *) msSmallMalloc(sizeof(shapeObj));
msInitShape(mapserv->map->query.shape);
mapserv->map->query.shape->type = MS_SHAPE_POLYGON;
for(j=0; j<line.numpoints; j++) {
line.point[j].x = atof(tmp[2*j]);
line.point[j].y = atof(tmp[2*j+1]);
#ifdef USE_PROJ
if(mapserv->QueryCoordSource == FROMUSERSHAPE && mapserv->map->projection.proj && !pj_is_latlong(mapserv->map->projection.proj)
&& (line.point[j].x >= -180.0 && line.point[j].x <= 180.0)
&& (line.point[j].y >= -90.0 && line.point[j].y <= 90.0)) {
msProjectPoint(&(mapserv->map->latlon), &(mapserv->map->projection), &line.point[j]); /* point is a in lat/lon */
}
#endif
}
if(msAddLine(mapserv->map->query.shape, &line) == -1) {
msFree(line.point);
msFreeCharArray(tmp, n);
return MS_FAILURE;
}
msFree(line.point);
msFreeCharArray(tmp, n);
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"img.x") == 0) { /* mouse click, in pieces */
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->ImgPnt.x);
if((mapserv->ImgPnt.x > (2*mapserv->map->maxsize)) || (mapserv->ImgPnt.x < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMIMGPNT;
mapserv->QueryCoordSource = FROMIMGPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"img.y") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->ImgPnt.y);
if((mapserv->ImgPnt.y > (2*mapserv->map->maxsize)) || (mapserv->ImgPnt.y < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMIMGPNT;
mapserv->QueryCoordSource = FROMIMGPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"imgxy") == 0) { /* mouse click, single variable */
if(mapserv->CoordSource == FROMIMGPNT)
continue;
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 2) {
msSetError(MS_WEBERR, "Not enough arguments for imgxy.", "msCGILoadForm()");
msFreeCharArray(tokens,n);
return MS_FAILURE;
}
GET_NUMERIC_NO_ERROR(tokens[0],mapserv->ImgPnt.x );
FREE_TOKENS_ON_ERROR(2);
GET_NUMERIC_NO_ERROR(tokens[1],mapserv->ImgPnt.y );
FREE_TOKENS_ON_ERROR(2);
msFreeCharArray(tokens, 2);
if((mapserv->ImgPnt.x > (2*mapserv->map->maxsize)) || (mapserv->ImgPnt.x < (-2*mapserv->map->maxsize)) || (mapserv->ImgPnt.y > (2*mapserv->map->maxsize)) || (mapserv->ImgPnt.y < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Reference map coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
if(mapserv->CoordSource == NONE) { /* override nothing since this parameter is usually used to hold a default value */
mapserv->CoordSource = FROMIMGPNT;
mapserv->QueryCoordSource = FROMIMGPNT;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"imgbox") == 0) { /* selection box (eg. mouse drag) */
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 4) {
msSetError(MS_WEBERR, "Not enough arguments for imgbox.", "msCGILoadForm()");
msFreeCharArray(tokens,n);
return MS_FAILURE;
}
GET_NUMERIC_NO_ERROR(tokens[0],mapserv->ImgBox.minx);
FREE_TOKENS_ON_ERROR(4);
GET_NUMERIC_NO_ERROR(tokens[1],mapserv->ImgBox.miny);
FREE_TOKENS_ON_ERROR(4);
GET_NUMERIC_NO_ERROR(tokens[2],mapserv->ImgBox.maxx);
FREE_TOKENS_ON_ERROR(4);
GET_NUMERIC_NO_ERROR(tokens[3],mapserv->ImgBox.maxy);
FREE_TOKENS_ON_ERROR(4);
msFreeCharArray(tokens, 4);
if((mapserv->ImgBox.minx != mapserv->ImgBox.maxx) && (mapserv->ImgBox.miny != mapserv->ImgBox.maxy)) { /* must not degenerate into a point */
mapserv->CoordSource = FROMIMGBOX;
mapserv->QueryCoordSource = FROMIMGBOX;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"ref.x") == 0) { /* mouse click in reference image, in pieces */
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->RefPnt.x);
if((mapserv->RefPnt.x > (2*mapserv->map->maxsize)) || (mapserv->RefPnt.x < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMREFPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"ref.y") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->RefPnt.y);
if((mapserv->RefPnt.y > (2*mapserv->map->maxsize)) || (mapserv->RefPnt.y < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMREFPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"refxy") == 0) { /* mouse click in reference image, single variable */
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 2) {
msSetError(MS_WEBERR, "Not enough arguments for imgxy.", "msCGILoadForm()");
msFreeCharArray(tokens,n);
return MS_FAILURE;
}
GET_NUMERIC_NO_ERROR(tokens[0],mapserv->RefPnt.x);
FREE_TOKENS_ON_ERROR(2);
GET_NUMERIC_NO_ERROR(tokens[1],mapserv->RefPnt.y);
FREE_TOKENS_ON_ERROR(2);
msFreeCharArray(tokens, 2);
if((mapserv->RefPnt.x > (2*mapserv->map->maxsize)) || (mapserv->RefPnt.x < (-2*mapserv->map->maxsize)) || (mapserv->RefPnt.y > (2*mapserv->map->maxsize)) || (mapserv->RefPnt.y < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Reference map coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMREFPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"buffer") == 0) { /* radius (map units), actually 1/2 square side */
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->Buffer);
mapserv->CoordSource = FROMBUF;
mapserv->QueryCoordSource = FROMUSERPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"scale") == 0 || strcasecmp(mapserv->request->ParamNames[i],"scaledenom") == 0) { /* scale for new map */
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->ScaleDenom);
if(mapserv->ScaleDenom <= 0) {
msSetError(MS_WEBERR, "Scale out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMSCALE;
mapserv->QueryCoordSource = FROMUSERPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"imgsize") == 0) { /* size of existing image (pixels) */
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 2) {
msSetError(MS_WEBERR, "Not enough arguments for imgsize.", "msCGILoadForm()");
msFreeCharArray(tokens,n);
return MS_FAILURE;
}
GET_NUMERIC_NO_ERROR(tokens[0],tmpval);
FREE_TOKENS_ON_ERROR(2);
mapserv->ImgCols = (int)tmpval;
GET_NUMERIC_NO_ERROR(tokens[1],tmpval);
FREE_TOKENS_ON_ERROR(2);
mapserv->ImgRows = (int)tmpval;
msFreeCharArray(tokens, 2);
if(mapserv->ImgCols > mapserv->map->maxsize || mapserv->ImgRows > mapserv->map->maxsize || mapserv->ImgCols <= 0 || mapserv->ImgRows <= 0) {
msSetError(MS_WEBERR, "Image size out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"mapsize") == 0) { /* size of new map (pixels) */
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 2) {
msSetError(MS_WEBERR, "Not enough arguments for mapsize.", "msCGILoadForm()");
msFreeCharArray(tokens,n);
return MS_FAILURE;
}
GET_NUMERIC_NO_ERROR(tokens[0],tmpval);
FREE_TOKENS_ON_ERROR(2);
mapserv->map->width = (int)tmpval;
GET_NUMERIC_NO_ERROR(tokens[1],tmpval);
FREE_TOKENS_ON_ERROR(2);
mapserv->map->height = (int)tmpval;
msFreeCharArray(tokens, 2);
if(mapserv->map->width > mapserv->map->maxsize || mapserv->map->height > mapserv->map->maxsize || mapserv->map->width <= 0 || mapserv->map->height <= 0) {
msSetError(MS_WEBERR, "Image size out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strncasecmp(mapserv->request->ParamNames[i],"layers", 6) == 0) { /* turn a set of layers, delimited by spaces, on */
/* If layers=all then turn on all layers */
if (strcasecmp(mapserv->request->ParamValues[i], "all") == 0) {
int l;
/* Reset NumLayers=0. If individual layers were already selected then free the previous values. */
for(l=0; l<mapserv->NumLayers; l++)
msFree(mapserv->Layers[l]);
mapserv->NumLayers=0;
for(mapserv->NumLayers=0; mapserv->NumLayers < mapserv->map->numlayers; mapserv->NumLayers++) {
if(msGrowMapservLayers(mapserv) == MS_FAILURE)
return MS_FAILURE;
if(GET_LAYER(mapserv->map, mapserv->NumLayers)->name) {
mapserv->Layers[mapserv->NumLayers] = msStrdup(GET_LAYER(mapserv->map, mapserv->NumLayers)->name);
} else {
mapserv->Layers[mapserv->NumLayers] = msStrdup("");
}
}
} else {
int num_layers=0, l;
char **layers=NULL;
layers = msStringSplit(mapserv->request->ParamValues[i], ' ', &(num_layers));
for(l=0; l<num_layers; l++) {
if(msGrowMapservLayers(mapserv) == MS_FAILURE) {
msFreeCharArray(layers, num_layers);
return MS_FAILURE;
}
mapserv->Layers[mapserv->NumLayers++] = msStrdup(layers[l]);
}
msFreeCharArray(layers, num_layers);
num_layers = 0;
}
continue;
}
if(strncasecmp(mapserv->request->ParamNames[i],"layer", 5) == 0) { /* turn a single layer/group on */
if(msGrowMapservLayers(mapserv) == MS_FAILURE)
return MS_FAILURE;
mapserv->Layers[mapserv->NumLayers] = msStrdup(mapserv->request->ParamValues[i]);
mapserv->NumLayers++;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"qlayer") == 0) { /* layer to query (i.e search) */
mapserv->QueryLayer = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"qitem") == 0) { /* attribute to query on (optional) */
mapserv->QueryItem = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"qstring") == 0) { /* attribute query string */
mapserv->QueryString = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"qformat") == 0) { /* format to apply to query results (shortcut instead of having to use "map.web=QUERYFORMAT+foo") */
if(mapserv->map->web.queryformat) free(mapserv->map->web.queryformat); /* avoid leak */
mapserv->map->web.queryformat = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"slayer") == 0) { /* layer to select (for feature based search) */
mapserv->SelectLayer = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"shapeindex") == 0) { /* used for index queries */
GET_NUMERIC(mapserv->request->ParamValues[i],tmpval);
mapserv->ShapeIndex = (int)tmpval;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"tileindex") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],tmpval);
mapserv->TileIndex = (int)tmpval;
continue;
}
/* --------------------------------------------------------------------
* The following code is used to support mode=tile
* -------------------------------------------------------------------- */
if(strcasecmp(mapserv->request->ParamNames[i], "tilemode") == 0) {
/* currently, only valid tilemode is "spheremerc" */
if( strcasecmp(mapserv->request->ParamValues[i], "gmap") == 0) {
mapserv->TileMode = TILE_GMAP;
} else if ( strcasecmp(mapserv->request->ParamValues[i], "ve") == 0 ) {
mapserv->TileMode = TILE_VE;
} else {
msSetError(MS_WEBERR, "Invalid tilemode. Use one of: gmap, ve", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"tile") == 0) {
if( strlen(mapserv->request->ParamValues[i]) < 1 ) {
msSetError(MS_WEBERR, "Empty tile parameter.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMTILE;
mapserv->TileCoords = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
/* -------------------------------------------------------------------- */
/* The following code is used to support the rosa applet (for */
/* more information on Rosa, please consult : */
/* http://www.maptools.org/rosa/) . */
/* This code was provided by Tim.Mackey@agso.gov.au. */
/* */
/* For Application using it can be seen at : */
/* http://www.agso.gov.au/map/pilbara/ */
/* */
/* -------------------------------------------------------------------- */
if(strcasecmp(mapserv->request->ParamNames[i],"INPUT_TYPE") == 0) {
/* Rosa input type */
if(strcasecmp(mapserv->request->ParamValues[i],"auto_rect") == 0) {
rosa_type=1; /* rectangle */
continue;
}
if(strcasecmp(mapserv->request->ParamValues[i],"auto_point") == 0) {
rosa_type=2; /* point */
continue;
}
}
if(strcasecmp(mapserv->request->ParamNames[i],"INPUT_COORD") == 0) {
/* Rosa coordinates */