root.c

#include "config.h"

#include <sys/param.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>

#include "root.h"

    int
get_root( char *radmind_path, char *path, char *file_root, char *xattr_root,
	char *tran_root, char *tran_name )
{
    char		real_path[ PATH_MAX ];
    char		test_path[ MAXPATHLEN ];
    char                radmind_real_path[ PATH_MAX ];
    char		*p;

    if ( realpath( radmind_path, radmind_real_path ) == NULL ) {
        perror( radmind_real_path );
        return( -1 );
    }
    if ( realpath( path, real_path ) == NULL ) {
	perror( real_path );
        return( -1 );
    }

    /* Get transcript name */
    if (( p = strrchr( real_path, '/' )) == real_path ) {
	fprintf( stderr, "%s: invalid transcript location\n", real_path );
	return( -1 );
    }
    *p++ = '\0';
    if ( strlen( p ) >= MAXPATHLEN ) {
        fprintf( stderr, "%s: path too long\n", p );
        return( -1 );
    }
    strcpy( tran_name, p );

    if ( snprintf( test_path, MAXPATHLEN, "%s/tmp/transcript",
            radmind_real_path ) >= MAXPATHLEN ) {
        fprintf( stderr, "%s/tmp/transcirpt: path too long\n",
	    radmind_real_path );
        return( -1 );
    }

    if ( strstr( real_path, test_path ) != NULL ) {
        if ( snprintf( file_root, MAXPATHLEN, "%s/tmp/file%s",
		radmind_real_path, &real_path[ strlen( test_path ) ])
		>= MAXPATHLEN ) {
            fprintf( stderr, "%s/tmp/file%s: path too long\n",
		radmind_real_path, &real_path[ strlen( test_path )] );
            return( -1 );
        }
        if ( snprintf( tran_root, MAXPATHLEN, "%s/tmp/transcript%s",
		radmind_real_path, &real_path[ strlen( test_path ) ])
		>= MAXPATHLEN ) {
            fprintf( stderr, "%s/tmp/transcript%s: path too long\n",
		radmind_real_path, &real_path[ strlen( test_path )] );
            return( -1 );
        }
#ifdef ENABLE_XATTR
	if ( snprintf( xattr_root, MAXPATHLEN, "%s/tmp/xattr%s",
		radmind_real_path, &real_path[ strlen( test_path ) ] )
		>= MAXPATHLEN ) {
	    fprintf( stderr, "%s/tmp/xattr%s: path too long\n",
		    radmind_real_path, &real_path[ strlen( test_path ) ] );
	    return( -1 );
	}
#endif /* ENABLE_XATTR */
    } else {
        if ( snprintf( test_path, MAXPATHLEN, "%s/transcript",
		radmind_real_path ) >= MAXPATHLEN ) {
            fprintf( stderr, "%s/transcript: path too long\n",
		radmind_real_path );
            return( -1 );
        }

        if ( strstr( real_path, test_path ) != NULL ) {
            if ( snprintf( file_root, MAXPATHLEN, "%s/file%s",
                    radmind_real_path, &real_path[ strlen( test_path ) ])
		    >= MAXPATHLEN ) {
                fprintf( stderr, "%s/file%s: path too long\n",
                    radmind_real_path, &real_path[ strlen( test_path ) ]);
                return( -1 );
            }
	    if ( snprintf( tran_root, MAXPATHLEN, "%s/transcript%s",
		    radmind_real_path, &real_path[ strlen( test_path ) ])
		    >= MAXPATHLEN ) {
		fprintf( stderr, "%s/transcript%s: path too long\n",
		    radmind_real_path, &real_path[ strlen( test_path )] );
		return( -1 );
	    }
#ifdef ENABLE_XATTR
            if ( snprintf( xattr_root, MAXPATHLEN, "%s/xattr%s",
                    radmind_real_path, &real_path[ strlen( test_path ) ])
		    >= MAXPATHLEN ) {
                fprintf( stderr, "%s/xattr%s: path too long\n",
                    radmind_real_path, &real_path[ strlen( test_path ) ]);
                return( -1 );
            }
#endif /* ENABLE_XATTR */
        } else {
            if ( snprintf( file_root, MAXPATHLEN, "%s/../file",
		    real_path ) >= MAXPATHLEN ) {
		fprintf( stderr, "%s/../file: path too long\n",
		    real_path);
		return( -1);
	    }
            snprintf( tran_root, MAXPATHLEN, "%s", real_path );
#ifdef ENABLE_XATTR
	    snprintf( xattr_root, MAXPATHLEN, "%s/../xattr", real_path );
#endif /* ENABLE_XATTR */
        }
    }

    return( 0 );
}