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static char *rcsid="$Id: fetch.c,v 1.6 1996/05/31 19:19:11 nneul Exp $";
/**
** File: fetch.c
** Purpose: Routines to extract the user and script name from request
**/
#include "cgiwrap.h" /* Headers for all CGIwrap source files */
char *FetchUserString(void)
{
char *pathInfoString;
char *queryString;
char *userStr;
DEBUG_Msg("\n");
userStr = (char *) 0;
pathInfoString = getenv("PATH_INFO");
if ( pathInfoString ) /* use PATH_INFO */
{
if ( pathInfoString[0] != 0 )
{
DEBUG_Msg("Trying to extract user from PATH_INFO.");
userStr = GetPathComponents(1, pathInfoString);
}
else
{
DEBUG_Msg("PATH_INFO is empty, can't check.");
}
}
queryString = getenv("QUERY_STRING");
if ( !userStr && queryString ) /* or use QUERY_STRING */
{
if ( queryString[0] != 0 )
{
DEBUG_Msg("Trying to extract user from QUERY_STRING");
DEBUG_Msg("Read in user keyword value");
userStr = GetValue("user", getenv("QUERY_STRING") );
}
else
{
DEBUG_Msg("QUERY_STRING is empty, can't check.");
}
}
/* Handle ~ notation */
if (userStr)
{
if (userStr[0] == '~')
{
userStr++;
}
}
if ( !userStr ) /* nothing at all found */
{
DoError("Couldn't find user and script name, check your URL.");
}
return userStr;
}
char *FetchScriptString( char *basedir )
{
char *tempStr, *tempStr2;
char *pathInfoString;
char *queryString;
char *scrStr;
struct stat fstat;
int i, max;
scrStr = 0;
pathInfoString = getenv("PATH_INFO");
if ( pathInfoString ) /* use PATH_INFO */
{
if ( pathInfoString[0] != 0 )
{
DEBUG_Msg("Trying to extract script from PATH_INFO");
scrStr = StripPathComponents(1,pathInfoString);
if ( ! strlen(scrStr) ) { scrStr = 0; }
}
else
{
DEBUG_Msg("PATH_INFO is empty, can't check.");
}
}
queryString = getenv("QUERY_STRING");
if ( !scrStr && queryString ) /* or use QUERY_STRING */
{
if ( queryString[0] != 0 )
{
DEBUG_Msg("Trying to extract script from QUERY_STRING");
DEBUG_Msg("Read in script keyword value");
scrStr = GetValue("script", getenv("QUERY_STRING") );
DEBUG_Str("Value", scrStr);
}
else
{
DEBUG_Msg("QUERY_STRING is empty, can't check.");
}
}
if ( !scrStr ) /* nothing at all found */
{
DoError("Couldn't find script name, check your URL.");
}
/** Now, need to split out PATH_INFO from the script name */
max = 0;
for (i=1; i<=(CountSubDirs(scrStr)+1) && i>0; i++)
{
tempStr = GetPathComponents(i, scrStr);
tempStr2 = BuildScriptPath(basedir,tempStr);
if ( !stat( tempStr2, &fstat ) )
{
max = i;
}
else
{
i = -1;
}
free(tempStr);
free(tempStr2);
}
if ( max < 1 )
{
DoError("Script File Not Found!");
}
/* Figure out the PATH_INFO and the script name */
tempStr = StripPathComponents(max, scrStr);
tempStr2 = (char *) malloc( strlen(tempStr) + 12 );
if ( !strcmp("", tempStr) )
{
strcpy(tempStr2, "PATH_INFO=");
}
else
{
sprintf(tempStr2, "PATH_INFO=/%s", tempStr);
}
putenv(tempStr2);
free(tempStr);
return GetPathComponents(max, scrStr);
}
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