/* $OpenLDAP$ */
/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/* Portions
* scope is one of these three strings: base one sub (default=base)
* filter is an string-represented filter as in RFC 2254
*
- * e.g., ldap://host:port/dc=com?o,cn?base?o=openldap?extension
+ * e.g., ldap://host:port/dc=com?o,cn?base?(o=openldap)?extension
*
* We also tolerate URLs that look like: <ldapurl> and <URL:ldapurl>
*/
#include "ldap-int.h"
-
/* local functions */
static const char* skip_url_prefix LDAP_P((
const char *url,
if( strcmp("ldaps", scheme) == 0 ) {
return LDAP_PROTO_TCP;
}
+#ifdef LDAP_CONNECTIONLESS
+ if( strcmp("cldap", scheme) == 0 ) {
+ return LDAP_PROTO_UDP;
+ }
+#endif
return -1;
}
-int ldap_pvt_url_scheme2tls( const char *scheme )
+int
+ldap_pvt_url_scheme2tls( const char *scheme )
{
assert( scheme );
return strcmp(scheme, "ldapi") == 0;
}
+#ifdef LDAP_CONNECTIONLESS
+int
+ldap_is_ldapc_url( LDAP_CONST char *url )
+{
+ int enclosed;
+ const char * scheme;
+
+ if( url == NULL ) {
+ return 0;
+ }
+
+ if( skip_url_prefix( url, &enclosed, &scheme ) == NULL ) {
+ return 0;
+ }
+
+ return strcmp(scheme, "cldap") == 0;
+}
+#endif
+
static const char*
skip_url_prefix(
const char *url,
int *enclosedp,
const char **scheme )
{
-/*
- * return non-zero if this looks like a LDAP URL; zero if not
- * if non-zero returned, *urlp will be moved past "ldap://" part of URL
- */
+ /*
+ * return non-zero if this looks like a LDAP URL; zero if not
+ * if non-zero returned, *urlp will be moved past "ldap://" part of URL
+ */
const char *p;
if ( url == NULL ) {
}
/* skip leading "URL:" (if any) */
- if ( strncasecmp( p, LDAP_URL_URLCOLON, LDAP_URL_URLCOLON_LEN ) == 0 )
- {
+ if ( strncasecmp( p, LDAP_URL_URLCOLON, LDAP_URL_URLCOLON_LEN ) == 0 ) {
p += LDAP_URL_URLCOLON_LEN;
}
return( p );
}
+#ifdef LDAP_CONNECTIONLESS
+ /* check for "cldap://" prefix */
+ if ( strncasecmp( p, LDAPC_URL_PREFIX, LDAPC_URL_PREFIX_LEN ) == 0 ) {
+ /* skip over "cldap://" prefix and return success */
+ p += LDAPC_URL_PREFIX_LEN;
+ *scheme = "cldap";
+ return( p );
+ }
+#endif
+
return( NULL );
}
return( -1 );
}
+static int hex_escape( char *buf, const char *s, int list )
+{
+ int i;
+ int pos;
+ static const char hex[] = "0123456789ABCDEF";
+
+ if( s == NULL ) return 0;
+
+ for( pos=0,i=0; s[i]; i++ ) {
+ int escape = 0;
+ switch( s[i] ) {
+ case ',':
+ escape = list;
+ break;
+ case '%':
+ case '?':
+ case ' ':
+ case '<':
+ case '>':
+ case '"':
+ case '#':
+ case '{':
+ case '}':
+ case '|':
+ case '\\':
+ case '^':
+ case '~':
+ case '`':
+ case '[':
+ case ']':
+ escape = 1;
+ break;
+
+ default:
+ escape = s[i] < 0x20 || 0x1f >= s[i];
+ }
+
+ if( escape ) {
+ buf[pos++] = '%';
+ buf[pos++] = hex[ (s[i] >> 4) & 0x0f ];
+ buf[pos++] = hex[ s[i] & 0x0f ];
+ } else {
+ buf[pos++] = s[i];
+ }
+ }
+
+ buf[pos] = '\0';
+ return pos;
+}
+
+static int hex_escape_args( char *buf, char **s )
+{
+ int pos;
+ int i;
+
+ if( s == NULL ) return 0;
+
+ pos = 0;
+ for( i=0; s[i] != NULL; i++ ) {
+ if( pos ) {
+ buf[pos++] = ',';
+ }
+ pos += hex_escape( &buf[pos], s[i], 1 );
+ }
+
+ return pos;
+}
+
+char * ldap_url_desc2str( LDAPURLDesc *u )
+{
+ char *s;
+ int i;
+ int sep = 0;
+ int sofar;
+ size_t len = 0;
+ if( u == NULL ) return NULL;
+
+ if( u->lud_exts ) {
+ for( i=0; u->lud_exts[i]; i++ ) {
+ len += strlen( u->lud_exts[i] ) + 1;
+ }
+ if( !sep ) sep = 5;
+ }
+
+ if( u->lud_filter ) {
+ len += strlen( u->lud_filter );
+ if( !sep ) sep = 4;
+ }
+ if ( len ) len++; /* ? */
+
+ switch( u->lud_scope ) {
+ case LDAP_SCOPE_ONELEVEL:
+ case LDAP_SCOPE_SUBTREE:
+ case LDAP_SCOPE_BASE:
+ len += sizeof("base");
+ if( !sep ) sep = 3;
+ break;
+
+ default:
+ if ( len ) len++; /* ? */
+ }
+
+ if( u->lud_attrs ) {
+ for( i=0; u->lud_attrs[i]; i++ ) {
+ len += strlen( u->lud_attrs[i] ) + 1;
+ }
+ if( !sep ) sep = 2;
+ } else if ( len ) len++; /* ? */
+
+ if( u->lud_dn ) {
+ len += strlen( u->lud_dn ) + 1;
+ if( !sep ) sep = 1;
+ };
+
+ if( u->lud_port ) {
+ len+=6;
+ }
+
+ if( u->lud_host ) {
+ len+=strlen( u->lud_host );
+ }
+
+ len += strlen( u->lud_scheme ) + sizeof("://");
+
+ /* allocate enough to hex escape everything -- overkill */
+ s = LDAP_MALLOC( 3*len );
+
+ if( s == NULL ) return NULL;
+
+ if( u->lud_port ) {
+ sprintf( s, "%s://%s:%d%n", u->lud_scheme,
+ u->lud_host, u->lud_port, &sofar );
+ } else {
+ sprintf( s, "%s://%s%n", u->lud_scheme,
+ u->lud_host, &sofar );
+ }
+
+ if( sep < 1 ) goto done;
+ s[sofar++] = '/';
+
+ sofar += hex_escape( &s[sofar], u->lud_dn, 0 );
+
+ if( sep < 2 ) goto done;
+ s[sofar++] = '?';
+
+ sofar += hex_escape_args( &s[sofar], u->lud_attrs );
+
+ if( sep < 3 ) goto done;
+ s[sofar++] = '?';
+
+ switch( u->lud_scope ) {
+ case LDAP_SCOPE_BASE:
+ strcpy( &s[sofar], "base" );
+ sofar += sizeof("base") - 1;
+ break;
+ case LDAP_SCOPE_ONELEVEL:
+ strcpy( &s[sofar], "one" );
+ sofar += sizeof("one") - 1;
+ break;
+ case LDAP_SCOPE_SUBTREE:
+ strcpy( &s[sofar], "sub" );
+ sofar += sizeof("sub") - 1;
+ break;
+ }
+
+ if( sep < 4 ) goto done;
+ s[sofar++] = '?';
+
+ sofar += hex_escape( &s[sofar], u->lud_filter, 0 );
+
+ if( sep < 5 ) goto done;
+ s[sofar++] = '?';
+
+ sofar += hex_escape_args( &s[sofar], u->lud_exts );
+
+done:
+ s[sofar] = '\0';
+ return s;
+}
int
-ldap_url_parse( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
+ldap_url_parse_ext( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
{
/*
* Pick apart the pieces of an LDAP URL.
const char *url_tmp;
char *url;
- if( url_in == NULL && ludpp == NULL ) {
+ if( url_in == NULL || ludpp == NULL ) {
return LDAP_URL_ERR_PARAM;
}
* because a call to LDAP_INT_GLOBAL_OPT() will try to allocate
* the options and cause infinite recursion
*/
- Debug( LDAP_DEBUG_TRACE, "ldap_url_parse(%s)\n", url_in, 0, 0 );
+#ifdef NEW_LOGGING
+ LDAP_LOG ( OPERATION, ENTRY, "ldap_url_parse_ext(%s)\n", url_in, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "ldap_url_parse_ext(%s)\n", url_in, 0, 0 );
+#endif
#endif
*ludpp = NULL; /* pessimistic */
ludp->lud_next = NULL;
ludp->lud_host = NULL;
- ludp->lud_port = LDAP_PORT;
+ ludp->lud_port = 0;
ludp->lud_dn = NULL;
ludp->lud_attrs = NULL;
ludp->lud_filter = NULL;
- ludp->lud_scope = LDAP_SCOPE_BASE;
+ ludp->lud_scope = LDAP_SCOPE_DEFAULT;
ludp->lud_filter = NULL;
+ ludp->lud_exts = NULL;
ludp->lud_scheme = LDAP_STRDUP( scheme );
return LDAP_URL_ERR_MEM;
}
- if( strcasecmp( ludp->lud_scheme, "ldaps" ) == 0 ) {
- ludp->lud_port = LDAPS_PORT;
- }
-
/* scan forward for '/' that marks end of hostport and begin. of dn */
p = strchr( url, '/' );
for( i=0; ludp->lud_exts[i] != NULL; i++ ) {
ldap_pvt_hex_unescape( ludp->lud_exts[i] );
+
+ if( *ludp->lud_exts[i] == '!' ) {
+ /* count the number of critical extensions */
+ ludp->lud_crit_exts++;
+ }
}
if( i == 0 ) {
/* must have 1 or more */
- ldap_charray_free( ludp->lud_exts );
LDAP_FREE( url );
ldap_free_urldesc( ludp );
return LDAP_URL_ERR_BADEXTS;
return LDAP_URL_SUCCESS;
}
+int
+ldap_url_parse( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
+{
+ int rc = ldap_url_parse_ext( url_in, ludpp );
+
+ if( rc != LDAP_URL_SUCCESS ) {
+ return rc;
+ }
+
+ if ((*ludpp)->lud_scope == LDAP_SCOPE_DEFAULT) {
+ (*ludpp)->lud_scope = LDAP_SCOPE_BASE;
+ }
+
+ if ((*ludpp)->lud_host != NULL && *(*ludpp)->lud_host == '\0') {
+ LDAP_FREE( (*ludpp)->lud_host );
+ (*ludpp)->lud_host = NULL;
+ }
+
+ if ((*ludpp)->lud_port == 0) {
+ if( strcmp((*ludpp)->lud_scheme, "ldap") == 0 ) {
+ (*ludpp)->lud_port = LDAP_PORT;
+#ifdef LDAP_CONNECTIONLESS
+ } else if( strcmp((*ludpp)->lud_scheme, "cldap") == 0 ) {
+ (*ludpp)->lud_port = LDAP_PORT;
+#endif
+ } else if( strcmp((*ludpp)->lud_scheme, "ldaps") == 0 ) {
+ (*ludpp)->lud_port = LDAPS_PORT;
+ }
+ }
+
+ return rc;
+}
+
LDAPURLDesc *
ldap_url_dup ( LDAPURLDesc *ludp )
{
int
ldap_url_parselist (LDAPURLDesc **ludlist, const char *url )
+{
+ return ldap_url_parselist_ext( ludlist, url, ", " );
+}
+
+int
+ldap_url_parselist_ext (LDAPURLDesc **ludlist, const char *url, const char *sep )
{
int i, rc;
LDAPURLDesc *ludp;
char **urls;
- *ludlist = NULL;
+ assert( ludlist != NULL );
+ assert( url != NULL );
- if (url == NULL)
- return LDAP_PARAM_ERROR;
+ *ludlist = NULL;
- urls = ldap_str2charray((char *)url, ", ");
+ urls = ldap_str2charray(url, sep);
if (urls == NULL)
return LDAP_NO_MEMORY;
LDAPURLDesc *ludp;
char **specs, *p;
- *ludlist = NULL;
+ assert( ludlist != NULL );
+ assert( hosts != NULL );
- if (hosts == NULL)
- return LDAP_PARAM_ERROR;
+ *ludlist = NULL;
- specs = ldap_str2charray((char *)hosts, ", ");
+ specs = ldap_str2charray(hosts, ", ");
if (specs == NULL)
return LDAP_NO_MEMORY;
/* figure out how big the string is */
size = 1; /* nul-term */
for (ludp = ludlist; ludp != NULL; ludp = ludp->lud_next) {
- size += strlen(ludp->lud_scheme) + strlen(ludp->lud_host);
- if (strchr(ludp->lud_host, ':')) /* will add [ ] below */
- size += 2;
+ size += strlen(ludp->lud_scheme);
+ if ( ludp->lud_host ) {
+ size += strlen(ludp->lud_host);
+ /* will add [ ] below */
+ if (strchr(ludp->lud_host, ':'))
+ size += 2;
+ }
size += sizeof(":/// ");
if (ludp->lud_port != 0) {
p = s;
for (ludp = ludlist; ludp != NULL; ludp = ludp->lud_next) {
- p += sprintf(p,
- strchr(ludp->lud_host, ':') ? "%s://[%s]" : "%s://%s",
- ludp->lud_scheme, ludp->lud_host);
+ p += sprintf(p, "%s://", ludp->lud_scheme);
+ if ( ludp->lud_host ) {
+ p += sprintf(p, strchr(ludp->lud_host, ':')
+ ? "[%s]" : "%s", ludp->lud_host);
+ }
if (ludp->lud_port != 0)
p += sprintf(p, ":%d", ludp->lud_port);
*p++ = '/';
LDAP_FREE( ludp );
}
-
-
-int
-ldap_url_search( LDAP *ld, LDAP_CONST char *url, int attrsonly )
-{
- int err;
- LDAPURLDesc *ludp;
- BerElement *ber;
- LDAPreqinfo bind;
-
- if ( ldap_url_parse( url, &ludp ) != 0 ) {
- ld->ld_errno = LDAP_PARAM_ERROR;
- return( -1 );
- }
-
- ber = ldap_build_search_req( ld, ludp->lud_dn, ludp->lud_scope,
- ludp->lud_filter, ludp->lud_attrs, attrsonly, NULL, NULL,
- -1, -1 );
-
- if ( ber == NULL ) {
- err = -1;
- } else {
- bind.ri_request = LDAP_REQ_SEARCH;
- bind.ri_msgid = ld->ld_msgid;
- bind.ri_url = (char *)url;
- err = ldap_send_server_request(
- ld, ber, ld->ld_msgid, NULL,
- (ludp->lud_host != NULL || ludp->lud_port != 0)
- ? ludp : NULL,
- NULL, &bind );
- }
-
- ldap_free_urldesc( ludp );
- return( err );
-}
-
-
-int
-ldap_url_search_st( LDAP *ld, LDAP_CONST char *url, int attrsonly,
- struct timeval *timeout, LDAPMessage **res )
-{
- int msgid;
-
- if (( msgid = ldap_url_search( ld, url, attrsonly )) == -1 ) {
- return( ld->ld_errno );
- }
-
- if ( ldap_result( ld, msgid, 1, timeout, res ) == -1 ) {
- return( ld->ld_errno );
- }
-
- if ( ld->ld_errno == LDAP_TIMEOUT ) {
- (void) ldap_abandon( ld, msgid );
- ld->ld_errno = LDAP_TIMEOUT;
- return( ld->ld_errno );
- }
-
- return( ldap_result2error( ld, *res, 0 ));
-}
-
-
-int
-ldap_url_search_s(
- LDAP *ld, LDAP_CONST char *url, int attrsonly, LDAPMessage **res )
+static int
+ldap_int_unhex( int c )
{
- int msgid;
-
- if (( msgid = ldap_url_search( ld, url, attrsonly )) == -1 ) {
- return( ld->ld_errno );
- }
-
- if ( ldap_result( ld, msgid, 1, (struct timeval *)NULL, res ) == -1 ) {
- return( ld->ld_errno );
- }
-
- return( ldap_result2error( ld, *res, 0 ));
+ return( c >= '0' && c <= '9' ? c - '0'
+ : c >= 'A' && c <= 'F' ? c - 'A' + 10
+ : c - 'a' + 10 );
}
-
void
ldap_pvt_hex_unescape( char *s )
{
-/*
-* Remove URL hex escapes from s... done in place. The basic concept for
-* this routine is borrowed from the WWW library HTUnEscape() routine.
-*/
+ /*
+ * Remove URL hex escapes from s... done in place. The basic concept for
+ * this routine is borrowed from the WWW library HTUnEscape() routine.
+ */
char *p;
for ( p = s; *s != '\0'; ++s ) {
if ( *s == '%' ) {
- if ( *++s != '\0' ) {
- *p = ldap_pvt_unhex( *s ) << 4;
+ if ( *++s == '\0' ) {
+ break;
}
- if ( *++s != '\0' ) {
- *p++ += ldap_pvt_unhex( *s );
+ *p = ldap_int_unhex( *s ) << 4;
+ if ( *++s == '\0' ) {
+ break;
}
+ *p++ += ldap_int_unhex( *s );
} else {
*p++ = *s;
}
}
-int
-ldap_pvt_unhex( int c )
-{
- return( c >= '0' && c <= '9' ? c - '0'
- : c >= 'A' && c <= 'F' ? c - 'A' + 10
- : c - 'a' + 10 );
-}
projects / openldap / blobdiff