Fix mixed indentation.
This file uses a mix of tab styles, which gcc6 will warn about because it sees "misleading indentation". Fix the function where this happens. Fixes #12759.
This commit is contained in:
Adrien Destugues
parent
777ff37166
commit
385ee03ba8
@ -201,168 +201,168 @@ static long long atoll( const char* str );
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static void
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check_options( void )
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{
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{
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#if defined(TILDE_MAP_1) && defined(TILDE_MAP_2)
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// syslog( LOG_CRIT, "both TILDE_MAP_1 and TILDE_MAP_2 are defined" );
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exit( 1 );
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exit( 1 );
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#endif /* both */
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}
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}
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static void
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free_httpd_server( httpd_server* hs )
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{
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if ( hs->binding_hostname != (char*) 0 )
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free( (void*) hs->binding_hostname );
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if ( hs->cwd != (char*) 0 )
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free( (void*) hs->cwd );
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if ( hs->cgi_pattern != (char*) 0 )
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free( (void*) hs->cgi_pattern );
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if ( hs->charset != (char*) 0 )
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free( (void*) hs->charset );
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if ( hs->p3p != (char*) 0 )
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free( (void*) hs->p3p );
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if ( hs->url_pattern != (char*) 0 )
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free( (void*) hs->url_pattern );
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if ( hs->local_pattern != (char*) 0 )
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free( (void*) hs->local_pattern );
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free( (void*) hs );
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}
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{
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if ( hs->binding_hostname != (char*) 0 )
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free( (void*) hs->binding_hostname );
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if ( hs->cwd != (char*) 0 )
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free( (void*) hs->cwd );
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if ( hs->cgi_pattern != (char*) 0 )
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free( (void*) hs->cgi_pattern );
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if ( hs->charset != (char*) 0 )
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free( (void*) hs->charset );
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if ( hs->p3p != (char*) 0 )
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free( (void*) hs->p3p );
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if ( hs->url_pattern != (char*) 0 )
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free( (void*) hs->url_pattern );
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if ( hs->local_pattern != (char*) 0 )
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free( (void*) hs->local_pattern );
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free( (void*) hs );
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}
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httpd_server*
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httpd_initialize(
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char* hostname, httpd_sockaddr* sa4P, httpd_sockaddr* sa6P,
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unsigned short port, char* cgi_pattern, int cgi_limit, char* charset,
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char* p3p, int max_age, char* cwd, int no_log, FILE* logfp,
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int no_symlink_check, int vhost, int global_passwd, char* url_pattern,
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char* local_pattern, int no_empty_referers )
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{
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httpd_server* hs;
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static char ghnbuf[256];
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char* cp;
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char* hostname, httpd_sockaddr* sa4P, httpd_sockaddr* sa6P,
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unsigned short port, char* cgi_pattern, int cgi_limit, char* charset,
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char* p3p, int max_age, char* cwd, int no_log, FILE* logfp,
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int no_symlink_check, int vhost, int global_passwd, char* url_pattern,
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char* local_pattern, int no_empty_referers )
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{
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httpd_server* hs;
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static char ghnbuf[256];
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char* cp;
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check_options();
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check_options();
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hs = NEW( httpd_server, 1 );
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if ( hs == (httpd_server*) 0 )
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hs = NEW( httpd_server, 1 );
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if ( hs == (httpd_server*) 0 )
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{
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// syslog( LOG_CRIT, "out of memory allocating an httpd_server" );
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return (httpd_server*) 0;
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// syslog( LOG_CRIT, "out of memory allocating an httpd_server" );
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return (httpd_server*) 0;
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}
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if ( hostname != (char*) 0 )
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if ( hostname != (char*) 0 )
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{
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hs->binding_hostname = strdup( hostname );
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if ( hs->binding_hostname == (char*) 0 )
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{
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// syslog( LOG_CRIT, "out of memory copying hostname" );
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return (httpd_server*) 0;
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}
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hs->server_hostname = hs->binding_hostname;
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hs->binding_hostname = strdup( hostname );
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if ( hs->binding_hostname == (char*) 0 )
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{
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// syslog( LOG_CRIT, "out of memory copying hostname" );
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return (httpd_server*) 0;
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}
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hs->server_hostname = hs->binding_hostname;
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}
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else
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else
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{
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hs->binding_hostname = (char*) 0;
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hs->server_hostname = (char*) 0;
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if ( gethostname( ghnbuf, sizeof(ghnbuf) ) < 0 )
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ghnbuf[0] = '\0';
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hs->binding_hostname = (char*) 0;
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hs->server_hostname = (char*) 0;
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if ( gethostname( ghnbuf, sizeof(ghnbuf) ) < 0 )
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ghnbuf[0] = '\0';
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#ifdef SERVER_NAME_LIST
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if ( ghnbuf[0] != '\0' )
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hs->server_hostname = hostname_map( ghnbuf );
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if ( ghnbuf[0] != '\0' )
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hs->server_hostname = hostname_map( ghnbuf );
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#endif /* SERVER_NAME_LIST */
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if ( hs->server_hostname == (char*) 0 )
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{
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if ( hs->server_hostname == (char*) 0 )
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{
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#ifdef SERVER_NAME
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hs->server_hostname = SERVER_NAME;
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hs->server_hostname = SERVER_NAME;
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#else /* SERVER_NAME */
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if ( ghnbuf[0] != '\0' )
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hs->server_hostname = ghnbuf;
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if ( ghnbuf[0] != '\0' )
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hs->server_hostname = ghnbuf;
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#endif /* SERVER_NAME */
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}
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}
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}
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hs->port = port;
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if ( cgi_pattern == (char*) 0 )
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hs->port = port;
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if ( cgi_pattern == (char*) 0 )
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hs->cgi_pattern = (char*) 0;
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else
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else
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{
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/* Nuke any leading slashes. */
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if ( cgi_pattern[0] == '/' )
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++cgi_pattern;
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hs->cgi_pattern = strdup( cgi_pattern );
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if ( hs->cgi_pattern == (char*) 0 )
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{
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// syslog( LOG_CRIT, "out of memory copying cgi_pattern" );
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return (httpd_server*) 0;
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}
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/* Nuke any leading slashes in the cgi pattern. */
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while ( ( cp = strstr( hs->cgi_pattern, "|/" ) ) != (char*) 0 )
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(void) strcpy( cp + 1, cp + 2 );
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/* Nuke any leading slashes. */
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if ( cgi_pattern[0] == '/' )
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++cgi_pattern;
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hs->cgi_pattern = strdup( cgi_pattern );
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if ( hs->cgi_pattern == (char*) 0 )
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{
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// syslog( LOG_CRIT, "out of memory copying cgi_pattern" );
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return (httpd_server*) 0;
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}
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/* Nuke any leading slashes in the cgi pattern. */
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while ( ( cp = strstr( hs->cgi_pattern, "|/" ) ) != (char*) 0 )
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(void) strcpy( cp + 1, cp + 2 );
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}
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hs->cgi_limit = cgi_limit;
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hs->cgi_count = 0;
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hs->charset = strdup( charset );
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hs->p3p = strdup( p3p );
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hs->max_age = max_age;
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hs->cwd = strdup( cwd );
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if ( hs->cwd == (char*) 0 )
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hs->cgi_limit = cgi_limit;
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hs->cgi_count = 0;
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hs->charset = strdup( charset );
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hs->p3p = strdup( p3p );
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hs->max_age = max_age;
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hs->cwd = strdup( cwd );
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if ( hs->cwd == (char*) 0 )
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{
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// syslog( LOG_CRIT, "out of memory copying cwd" );
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return (httpd_server*) 0;
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// syslog( LOG_CRIT, "out of memory copying cwd" );
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return (httpd_server*) 0;
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}
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if ( url_pattern == (char*) 0 )
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hs->url_pattern = (char*) 0;
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else
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if ( url_pattern == (char*) 0 )
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hs->url_pattern = (char*) 0;
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else
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{
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hs->url_pattern = strdup( url_pattern );
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if ( hs->url_pattern == (char*) 0 )
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{
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// syslog( LOG_CRIT, "out of memory copying url_pattern" );
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return (httpd_server*) 0;
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}
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hs->url_pattern = strdup( url_pattern );
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if ( hs->url_pattern == (char*) 0 )
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{
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// syslog( LOG_CRIT, "out of memory copying url_pattern" );
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return (httpd_server*) 0;
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}
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}
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if ( local_pattern == (char*) 0 )
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hs->local_pattern = (char*) 0;
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else
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if ( local_pattern == (char*) 0 )
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hs->local_pattern = (char*) 0;
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else
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{
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hs->local_pattern = strdup( local_pattern );
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if ( hs->local_pattern == (char*) 0 )
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{
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// syslog( LOG_CRIT, "out of memory copying local_pattern" );
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return (httpd_server*) 0;
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}
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hs->local_pattern = strdup( local_pattern );
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if ( hs->local_pattern == (char*) 0 )
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{
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// syslog( LOG_CRIT, "out of memory copying local_pattern" );
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return (httpd_server*) 0;
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}
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}
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hs->no_log = no_log;
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hs->logfp = (FILE*) 0;
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httpd_set_logfp( hs, logfp );
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hs->no_symlink_check = no_symlink_check;
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hs->vhost = vhost;
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hs->global_passwd = global_passwd;
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hs->no_empty_referers = no_empty_referers;
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hs->no_log = no_log;
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hs->logfp = (FILE*) 0;
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httpd_set_logfp( hs, logfp );
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hs->no_symlink_check = no_symlink_check;
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hs->vhost = vhost;
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hs->global_passwd = global_passwd;
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hs->no_empty_referers = no_empty_referers;
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/* Initialize listen sockets. Try v6 first because of a Linux peculiarity;
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** like some other systems, it has magical v6 sockets that also listen for
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** v4, but in Linux if you bind a v4 socket first then the v6 bind fails.
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*/
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/*if ( sa6P == (httpd_sockaddr*) 0 )
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hs->listen6_fd = -1;
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else
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hs->listen6_fd = initialize_listen_socket( sa6P );
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if ( sa4P == (httpd_sockaddr*) 0 )
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hs->listen4_fd = -1;
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else
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hs->listen4_fd = initialize_listen_socket( sa4P );*/
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/* If we didn't get any valid sockets, fail. */
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/*if ( hs->listen4_fd == -1 && hs->listen6_fd == -1 )
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{
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free_httpd_server( hs );
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return (httpd_server*) 0;
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}*/
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/* Initialize listen sockets. Try v6 first because of a Linux peculiarity;
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** like some other systems, it has magical v6 sockets that also listen for
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** v4, but in Linux if you bind a v4 socket first then the v6 bind fails.
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*/
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/*if ( sa6P == (httpd_sockaddr*) 0 )
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hs->listen6_fd = -1;
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else
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hs->listen6_fd = initialize_listen_socket( sa6P );
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if ( sa4P == (httpd_sockaddr*) 0 )
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hs->listen4_fd = -1;
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else
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hs->listen4_fd = initialize_listen_socket( sa4P );*/
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/* If we didn't get any valid sockets, fail. */
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/*if ( hs->listen4_fd == -1 && hs->listen6_fd == -1 )
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{
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free_httpd_server( hs );
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return (httpd_server*) 0;
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}*/
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init_mime();
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init_mime();
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/* Done initializing. */
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/* Done initializing. */
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// if ( hs->binding_hostname == (char*) 0 )
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// syslog(
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// LOG_NOTICE, "%.80s starting on port %d", SERVER_SOFTWARE,
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@ -372,96 +372,96 @@ httpd_initialize(
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// LOG_NOTICE, "%.80s starting on %.80s, port %d", SERVER_SOFTWARE,
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// httpd_ntoa( hs->listen4_fd != -1 ? sa4P : sa6P ),
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// (int) hs->port );
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return hs;
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}
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return hs;
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}
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int
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httpd_initialize_listen_socket( httpd_sockaddr* saP )
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{
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int listen_fd;
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int on/*, flags*/;
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{
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int listen_fd;
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int on/*, flags*/;
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/* Check sockaddr. */
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if ( ! sockaddr_check( saP ) )
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/* Check sockaddr. */
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if ( ! sockaddr_check( saP ) )
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{
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// syslog( LOG_CRIT, "unknown sockaddr family on listen socket" );
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return -1;
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// syslog( LOG_CRIT, "unknown sockaddr family on listen socket" );
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return -1;
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}
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/* Create socket. */
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listen_fd = socket( saP->sa.sa_family, SOCK_STREAM, 0 );
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if ( listen_fd < 0 )
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/* Create socket. */
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listen_fd = socket( saP->sa.sa_family, SOCK_STREAM, 0 );
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if ( listen_fd < 0 )
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{
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// syslog( LOG_CRIT, "socket %.80s - %m", httpd_ntoa( saP ) );
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poorman_log("can't create socket.\n", false, INADDR_NONE, RED);
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return -1;
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poorman_log("can't create socket.\n", false, INADDR_NONE, RED);
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return -1;
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}
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(void) fcntl( listen_fd, F_SETFD, 1 );
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(void) fcntl( listen_fd, F_SETFD, 1 );
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/* Allow reuse of local addresses. */
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on = 1;
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if ( setsockopt(
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listen_fd, SOL_SOCKET, SO_REUSEADDR, (char*) &on,
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sizeof(on) ) < 0 )
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/*syslog( LOG_CRIT, "setsockopt SO_REUSEADDR - %m" )*/;
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/* Allow reuse of local addresses. */
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on = 1;
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if ( setsockopt(
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listen_fd, SOL_SOCKET, SO_REUSEADDR, (char*) &on,
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sizeof(on) ) < 0 )
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/*syslog( LOG_CRIT, "setsockopt SO_REUSEADDR - %m" )*/;
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/* Bind to it. */
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if ( bind( listen_fd, &saP->sa, sockaddr_len( saP ) ) < 0 )
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/* Bind to it. */
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if ( bind( listen_fd, &saP->sa, sockaddr_len( saP ) ) < 0 )
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{
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// syslog(
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// LOG_CRIT, "bind %.80s - %m", httpd_ntoa( saP ) );
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poorman_log("can't bind to socket.\n", false, INADDR_NONE, RED);
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(void) close( listen_fd );
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return -1;
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// syslog(
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// LOG_CRIT, "bind %.80s - %m", httpd_ntoa( saP ) );
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poorman_log("can't bind to socket.\n", false, INADDR_NONE, RED);
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(void) close( listen_fd );
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return -1;
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}
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/* Start a listen going. */
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if ( listen( listen_fd, LISTEN_BACKLOG ) < 0 )
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/* Start a listen going. */
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if ( listen( listen_fd, LISTEN_BACKLOG ) < 0 )
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{
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// syslog( LOG_CRIT, "listen - %m" );
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poorman_log("can't listen to socket.\n", false, INADDR_NONE, RED);
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(void) close( listen_fd );
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return -1;
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// syslog( LOG_CRIT, "listen - %m" );
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poorman_log("can't listen to socket.\n", false, INADDR_NONE, RED);
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(void) close( listen_fd );
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return -1;
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}
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/* Use accept filtering, if available. */
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/* Use accept filtering, if available. */
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#ifdef SO_ACCEPTFILTER
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{
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{
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#if ( __FreeBSD_version >= 411000 )
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#define ACCEPT_FILTER_NAME "httpready"
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#else
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#define ACCEPT_FILTER_NAME "dataready"
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#endif
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struct accept_filter_arg af;
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(void) bzero( &af, sizeof(af) );
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(void) strcpy( af.af_name, ACCEPT_FILTER_NAME );
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(void) setsockopt(
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listen_fd, SOL_SOCKET, SO_ACCEPTFILTER, (char*) &af, sizeof(af) );
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}
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struct accept_filter_arg af;
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(void) bzero( &af, sizeof(af) );
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(void) strcpy( af.af_name, ACCEPT_FILTER_NAME );
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(void) setsockopt(
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listen_fd, SOL_SOCKET, SO_ACCEPTFILTER, (char*) &af, sizeof(af) );
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}
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#endif /* SO_ACCEPTFILTER */
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return listen_fd;
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}
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return listen_fd;
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}
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void
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httpd_set_logfp( httpd_server* hs, FILE* logfp )
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{
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if ( hs->logfp != (FILE*) 0 )
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(void) fclose( hs->logfp );
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hs->logfp = logfp;
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}
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{
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if ( hs->logfp != (FILE*) 0 )
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(void) fclose( hs->logfp );
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hs->logfp = logfp;
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}
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void
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httpd_terminate( httpd_server* hs )
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{
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httpd_unlisten( hs );
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if ( hs->logfp != (FILE*) 0 )
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(void) fclose( hs->logfp );
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free_httpd_server( hs );
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}
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{
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httpd_unlisten( hs );
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if ( hs->logfp != (FILE*) 0 )
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(void) fclose( hs->logfp );
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free_httpd_server( hs );
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}
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void
|
||||
@ -1437,231 +1437,231 @@ vhost_map( httpd_conn* hc )
|
||||
*/
|
||||
static char*
|
||||
expand_symlinks( char* path, char** freethis, char** restP, int no_symlink_check, int tildemapped )
|
||||
{
|
||||
char* checked;
|
||||
char* rest;
|
||||
char link[5000];
|
||||
size_t maxchecked = 0, maxrest = 0;
|
||||
size_t checkedlen , restlen, prevcheckedlen, prevrestlen;
|
||||
ssize_t linklen;
|
||||
int nlinks, i;
|
||||
char* r;
|
||||
char* cp1;
|
||||
char* cp2;
|
||||
{
|
||||
char* checked;
|
||||
char* rest;
|
||||
char link[5000];
|
||||
size_t maxchecked = 0, maxrest = 0;
|
||||
size_t checkedlen , restlen, prevcheckedlen, prevrestlen;
|
||||
ssize_t linklen;
|
||||
int nlinks, i;
|
||||
char* r;
|
||||
char* cp1;
|
||||
char* cp2;
|
||||
|
||||
if ( no_symlink_check )
|
||||
if ( no_symlink_check )
|
||||
{
|
||||
/* If we are chrooted, we can actually skip the symlink-expansion,
|
||||
** since it's impossible to get out of the tree. However, we still
|
||||
** need to do the pathinfo check, and the existing symlink expansion
|
||||
** code is a pretty reasonable way to do this. So, what we do is
|
||||
** a single stat() of the whole filename - if it exists, then we
|
||||
** return it as is with nothing in restP. If it doesn't exist, we
|
||||
** fall through to the existing code.
|
||||
**
|
||||
** One side-effect of this is that users can't symlink to central
|
||||
** approved CGIs any more. The workaround is to use the central
|
||||
** URL for the CGI instead of a local symlinked one.
|
||||
*/
|
||||
struct stat sb;
|
||||
if ( stat( path, &sb ) != -1 )
|
||||
{
|
||||
checkedlen = strlen( path );
|
||||
httpd_realloc_str( &checked, &maxchecked, checkedlen );
|
||||
(void) strcpy( checked, path );
|
||||
/* Trim trailing slashes. */
|
||||
while ( checked[checkedlen - 1] == '/' )
|
||||
/* If we are chrooted, we can actually skip the symlink-expansion,
|
||||
** since it's impossible to get out of the tree. However, we still
|
||||
** need to do the pathinfo check, and the existing symlink expansion
|
||||
** code is a pretty reasonable way to do this. So, what we do is
|
||||
** a single stat() of the whole filename - if it exists, then we
|
||||
** return it as is with nothing in restP. If it doesn't exist, we
|
||||
** fall through to the existing code.
|
||||
**
|
||||
** One side-effect of this is that users can't symlink to central
|
||||
** approved CGIs any more. The workaround is to use the central
|
||||
** URL for the CGI instead of a local symlinked one.
|
||||
*/
|
||||
struct stat sb;
|
||||
if ( stat( path, &sb ) != -1 )
|
||||
{
|
||||
checked[checkedlen - 1] = '\0';
|
||||
--checkedlen;
|
||||
checkedlen = strlen( path );
|
||||
httpd_realloc_str( &checked, &maxchecked, checkedlen );
|
||||
(void) strcpy( checked, path );
|
||||
/* Trim trailing slashes. */
|
||||
while ( checked[checkedlen - 1] == '/' )
|
||||
{
|
||||
checked[checkedlen - 1] = '\0';
|
||||
--checkedlen;
|
||||
}
|
||||
httpd_realloc_str( &rest, &maxrest, 0 );
|
||||
rest[0] = '\0';
|
||||
*restP = rest;
|
||||
*freethis = rest;
|
||||
return checked;
|
||||
}
|
||||
httpd_realloc_str( &rest, &maxrest, 0 );
|
||||
rest[0] = '\0';
|
||||
*restP = rest;
|
||||
*freethis = rest;
|
||||
return checked;
|
||||
}
|
||||
}
|
||||
|
||||
/* Start out with nothing in checked and the whole filename in rest. */
|
||||
httpd_realloc_str( &checked, &maxchecked, 1 );
|
||||
checked[0] = '\0';
|
||||
checkedlen = 0;
|
||||
restlen = strlen( path );
|
||||
httpd_realloc_str( &rest, &maxrest, restlen );
|
||||
(void) strcpy( rest, path );
|
||||
if ( rest[restlen - 1] == '/' )
|
||||
rest[--restlen] = '\0'; /* trim trailing slash */
|
||||
if ( ! tildemapped )
|
||||
/* Remove any leading slashes. */
|
||||
while ( rest[0] == '/' )
|
||||
{
|
||||
(void) strcpy( rest, &(rest[1]) );
|
||||
--restlen;
|
||||
}
|
||||
r = rest;
|
||||
nlinks = 0;
|
||||
/* Start out with nothing in checked and the whole filename in rest. */
|
||||
httpd_realloc_str( &checked, &maxchecked, 1 );
|
||||
checked[0] = '\0';
|
||||
checkedlen = 0;
|
||||
restlen = strlen( path );
|
||||
httpd_realloc_str( &rest, &maxrest, restlen );
|
||||
(void) strcpy( rest, path );
|
||||
if ( rest[restlen - 1] == '/' )
|
||||
rest[--restlen] = '\0'; /* trim trailing slash */
|
||||
if ( ! tildemapped )
|
||||
/* Remove any leading slashes. */
|
||||
while ( rest[0] == '/' )
|
||||
{
|
||||
(void) strcpy( rest, &(rest[1]) );
|
||||
--restlen;
|
||||
}
|
||||
r = rest;
|
||||
nlinks = 0;
|
||||
|
||||
/* While there are still components to check... */
|
||||
while ( restlen > 0 )
|
||||
/* While there are still components to check... */
|
||||
while ( restlen > 0 )
|
||||
{
|
||||
/* Save current checkedlen in case we get a symlink. Save current
|
||||
** restlen in case we get a non-existant component.
|
||||
*/
|
||||
prevcheckedlen = checkedlen;
|
||||
prevrestlen = restlen;
|
||||
/* Save current checkedlen in case we get a symlink. Save current
|
||||
** restlen in case we get a non-existant component.
|
||||
*/
|
||||
prevcheckedlen = checkedlen;
|
||||
prevrestlen = restlen;
|
||||
|
||||
/* Grab one component from r and transfer it to checked. */
|
||||
cp1 = strchr( r, '/' );
|
||||
if ( cp1 != (char*) 0 )
|
||||
{
|
||||
i = cp1 - r;
|
||||
if ( i == 0 )
|
||||
/* Grab one component from r and transfer it to checked. */
|
||||
cp1 = strchr( r, '/' );
|
||||
if ( cp1 != (char*) 0 )
|
||||
{
|
||||
/* Special case for absolute paths. */
|
||||
httpd_realloc_str( &checked, &maxchecked, checkedlen + 1 );
|
||||
(void) strncpy( &checked[checkedlen], r, 1 );
|
||||
checkedlen += 1;
|
||||
i = cp1 - r;
|
||||
if ( i == 0 )
|
||||
{
|
||||
/* Special case for absolute paths. */
|
||||
httpd_realloc_str( &checked, &maxchecked, checkedlen + 1 );
|
||||
(void) strncpy( &checked[checkedlen], r, 1 );
|
||||
checkedlen += 1;
|
||||
}
|
||||
else if ( strncmp( r, "..", MAX( i, 2 ) ) == 0 )
|
||||
{
|
||||
/* Ignore ..'s that go above the start of the path. */
|
||||
if ( checkedlen != 0 )
|
||||
{
|
||||
cp2 = strrchr( checked, '/' );
|
||||
if ( cp2 == (char*) 0 )
|
||||
checkedlen = 0;
|
||||
else if ( cp2 == checked )
|
||||
checkedlen = 1;
|
||||
else
|
||||
checkedlen = cp2 - checked;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
httpd_realloc_str( &checked, &maxchecked, checkedlen + 1 + i );
|
||||
if ( checkedlen > 0 && checked[checkedlen-1] != '/' )
|
||||
checked[checkedlen++] = '/';
|
||||
(void) strncpy( &checked[checkedlen], r, i );
|
||||
checkedlen += i;
|
||||
}
|
||||
checked[checkedlen] = '\0';
|
||||
r += i + 1;
|
||||
restlen -= i + 1;
|
||||
}
|
||||
else if ( strncmp( r, "..", MAX( i, 2 ) ) == 0 )
|
||||
{
|
||||
/* Ignore ..'s that go above the start of the path. */
|
||||
if ( checkedlen != 0 )
|
||||
{
|
||||
cp2 = strrchr( checked, '/' );
|
||||
if ( cp2 == (char*) 0 )
|
||||
checkedlen = 0;
|
||||
else if ( cp2 == checked )
|
||||
checkedlen = 1;
|
||||
else
|
||||
checkedlen = cp2 - checked;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
httpd_realloc_str( &checked, &maxchecked, checkedlen + 1 + i );
|
||||
if ( checkedlen > 0 && checked[checkedlen-1] != '/' )
|
||||
checked[checkedlen++] = '/';
|
||||
(void) strncpy( &checked[checkedlen], r, i );
|
||||
checkedlen += i;
|
||||
}
|
||||
checked[checkedlen] = '\0';
|
||||
r += i + 1;
|
||||
restlen -= i + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* No slashes remaining, r is all one component. */
|
||||
if ( strcmp( r, ".." ) == 0 )
|
||||
{
|
||||
/* Ignore ..'s that go above the start of the path. */
|
||||
if ( checkedlen != 0 )
|
||||
{
|
||||
cp2 = strrchr( checked, '/' );
|
||||
if ( cp2 == (char*) 0 )
|
||||
checkedlen = 0;
|
||||
else if ( cp2 == checked )
|
||||
checkedlen = 1;
|
||||
else
|
||||
checkedlen = cp2 - checked;
|
||||
checked[checkedlen] = '\0';
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
httpd_realloc_str(
|
||||
&checked, &maxchecked, checkedlen + 1 + restlen );
|
||||
if ( checkedlen > 0 && checked[checkedlen-1] != '/' )
|
||||
checked[checkedlen++] = '/';
|
||||
(void) strcpy( &checked[checkedlen], r );
|
||||
checkedlen += restlen;
|
||||
}
|
||||
r += restlen;
|
||||
restlen = 0;
|
||||
}
|
||||
|
||||
/* Try reading the current filename as a symlink */
|
||||
if ( checked[0] == '\0' )
|
||||
continue;
|
||||
linklen = readlink( checked, link, sizeof(link) - 1 );
|
||||
if ( linklen == -1 )
|
||||
{
|
||||
if ( errno == EINVAL )
|
||||
continue; /* not a symlink */
|
||||
if ( errno == EACCES || errno == ENOENT || errno == ENOTDIR )
|
||||
{
|
||||
/* That last component was bogus. Restore and return. */
|
||||
*restP = r - ( prevrestlen - restlen );
|
||||
if ( prevcheckedlen == 0 )
|
||||
(void) strcpy( checked, "." );
|
||||
else
|
||||
checked[prevcheckedlen] = '\0';
|
||||
*freethis = rest;
|
||||
return checked;
|
||||
{
|
||||
/* No slashes remaining, r is all one component. */
|
||||
if ( strcmp( r, ".." ) == 0 )
|
||||
{
|
||||
/* Ignore ..'s that go above the start of the path. */
|
||||
if ( checkedlen != 0 )
|
||||
{
|
||||
cp2 = strrchr( checked, '/' );
|
||||
if ( cp2 == (char*) 0 )
|
||||
checkedlen = 0;
|
||||
else if ( cp2 == checked )
|
||||
checkedlen = 1;
|
||||
else
|
||||
checkedlen = cp2 - checked;
|
||||
checked[checkedlen] = '\0';
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
httpd_realloc_str(
|
||||
&checked, &maxchecked, checkedlen + 1 + restlen );
|
||||
if ( checkedlen > 0 && checked[checkedlen-1] != '/' )
|
||||
checked[checkedlen++] = '/';
|
||||
(void) strcpy( &checked[checkedlen], r );
|
||||
checkedlen += restlen;
|
||||
}
|
||||
r += restlen;
|
||||
restlen = 0;
|
||||
}
|
||||
// syslog( LOG_ERR, "readlink %.80s - %m", checked );
|
||||
free(checked);
|
||||
free(rest);
|
||||
*freethis = 0;
|
||||
return (char*) 0;
|
||||
}
|
||||
++nlinks;
|
||||
if ( nlinks > MAX_LINKS )
|
||||
{
|
||||
// syslog( LOG_ERR, "too many symlinks in %.80s", path );
|
||||
free(checked);
|
||||
free(rest);
|
||||
*freethis = 0;
|
||||
return (char*) 0;
|
||||
}
|
||||
link[linklen] = '\0';
|
||||
if ( link[linklen - 1] == '/' )
|
||||
link[--linklen] = '\0'; /* trim trailing slash */
|
||||
|
||||
/* Insert the link contents in front of the rest of the filename. */
|
||||
if ( restlen != 0 )
|
||||
{
|
||||
(void) strcpy( rest, r );
|
||||
httpd_realloc_str( &rest, &maxrest, restlen + linklen + 1 );
|
||||
for ( i = restlen; i >= 0; --i )
|
||||
rest[i + linklen + 1] = rest[i];
|
||||
(void) strcpy( rest, link );
|
||||
rest[linklen] = '/';
|
||||
restlen += linklen + 1;
|
||||
r = rest;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* There's nothing left in the filename, so the link contents
|
||||
** becomes the rest.
|
||||
*/
|
||||
httpd_realloc_str( &rest, &maxrest, linklen );
|
||||
(void) strcpy( rest, link );
|
||||
restlen = linklen;
|
||||
r = rest;
|
||||
}
|
||||
/* Try reading the current filename as a symlink */
|
||||
if ( checked[0] == '\0' )
|
||||
continue;
|
||||
linklen = readlink( checked, link, sizeof(link) - 1 );
|
||||
if ( linklen == -1 )
|
||||
{
|
||||
if ( errno == EINVAL )
|
||||
continue; /* not a symlink */
|
||||
if ( errno == EACCES || errno == ENOENT || errno == ENOTDIR )
|
||||
{
|
||||
/* That last component was bogus. Restore and return. */
|
||||
*restP = r - ( prevrestlen - restlen );
|
||||
if ( prevcheckedlen == 0 )
|
||||
(void) strcpy( checked, "." );
|
||||
else
|
||||
checked[prevcheckedlen] = '\0';
|
||||
*freethis = rest;
|
||||
return checked;
|
||||
}
|
||||
// syslog( LOG_ERR, "readlink %.80s - %m", checked );
|
||||
free(checked);
|
||||
free(rest);
|
||||
*freethis = 0;
|
||||
return (char*) 0;
|
||||
}
|
||||
++nlinks;
|
||||
if ( nlinks > MAX_LINKS )
|
||||
{
|
||||
// syslog( LOG_ERR, "too many symlinks in %.80s", path );
|
||||
free(checked);
|
||||
free(rest);
|
||||
*freethis = 0;
|
||||
return (char*) 0;
|
||||
}
|
||||
link[linklen] = '\0';
|
||||
if ( link[linklen - 1] == '/' )
|
||||
link[--linklen] = '\0'; /* trim trailing slash */
|
||||
|
||||
if ( rest[0] == '/' )
|
||||
{
|
||||
/* There must have been an absolute symlink - zero out checked. */
|
||||
checked[0] = '\0';
|
||||
checkedlen = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Re-check this component. */
|
||||
checkedlen = prevcheckedlen;
|
||||
checked[checkedlen] = '\0';
|
||||
}
|
||||
/* Insert the link contents in front of the rest of the filename. */
|
||||
if ( restlen != 0 )
|
||||
{
|
||||
(void) strcpy( rest, r );
|
||||
httpd_realloc_str( &rest, &maxrest, restlen + linklen + 1 );
|
||||
for ( i = restlen; i >= 0; --i )
|
||||
rest[i + linklen + 1] = rest[i];
|
||||
(void) strcpy( rest, link );
|
||||
rest[linklen] = '/';
|
||||
restlen += linklen + 1;
|
||||
r = rest;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* There's nothing left in the filename, so the link contents
|
||||
** becomes the rest.
|
||||
*/
|
||||
httpd_realloc_str( &rest, &maxrest, linklen );
|
||||
(void) strcpy( rest, link );
|
||||
restlen = linklen;
|
||||
r = rest;
|
||||
}
|
||||
|
||||
if ( rest[0] == '/' )
|
||||
{
|
||||
/* There must have been an absolute symlink - zero out checked. */
|
||||
checked[0] = '\0';
|
||||
checkedlen = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Re-check this component. */
|
||||
checkedlen = prevcheckedlen;
|
||||
checked[checkedlen] = '\0';
|
||||
}
|
||||
}
|
||||
|
||||
/* Ok. */
|
||||
*restP = r;
|
||||
if ( checked[0] == '\0' )
|
||||
(void) strcpy( checked, "." );
|
||||
/* Ok. */
|
||||
*restP = r;
|
||||
if ( checked[0] == '\0' )
|
||||
(void) strcpy( checked, "." );
|
||||
*freethis = rest;
|
||||
return checked;
|
||||
}
|
||||
return checked;
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
|
||||
Loading…
Reference in New Issue
Block a user