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Let the caller decide how liberal the schema parsing routines will be.

Browse source 
Most flags do nothing yet.
This commit is contained in:
Julio Sánchez Fernández 2000-05-28 22:45:56 +00:00
parent 13daacdbda
commit 3e3acf87c8
5 changed files with 56 additions and 27 deletions
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23
include/ldap_schema.h
View file

@ -40,6 +40,7 @@ typedef struct ldap_schema_extension_item {
typedef struct ldap_syntax {
char *syn_oid; /* REQUIRED */
char **syn_names; /* OPTIONAL */
char *syn_desc; /* OPTIONAL */
LDAP_SCHEMA_EXTENSION_ITEM **syn_extensions; /* OPTIONAL */
} LDAP_SYNTAX;
@ -96,6 +97,16 @@ typedef struct ldap_objectclass {
#define LDAP_SCHEMA_STRUCTURAL 1
#define LDAP_SCHEMA_AUXILIARY 2
/*
* Flags that control how liberal the parsing routines are.
*/
#define LDAP_SCHEMA_ALLOW_NONE 0x00 /* Strict parsing */
#define LDAP_SCHEMA_ALLOW_NO_OID 0x01 /* Allow missing oid */
#define LDAP_SCHEMA_ALLOW_QUOTED 0x02 /* Allow bogus extra quotes */
#define LDAP_SCHEMA_ALLOW_DESCR 0x04 /* Allow descr instead of OID */
#define LDAP_SCHEMA_ALLOW_DESCR_PREFIX 0x08 /* Allow descr as OID prefix */
#define LDAP_SCHEMA_ALLOW_ALL 0x0f /* Be very liberal in parsing */
LIBLDAP_F( LDAP_CONST char * )
ldap_syntax2name LDAP_P((
LDAP_SYNTAX * syn ));
@ -132,25 +143,29 @@ LIBLDAP_F( LDAP_OBJECT_CLASS * )
ldap_str2objectclass LDAP_P((
LDAP_CONST char * s,
int * code,
LDAP_CONST char ** errp ));
LDAP_CONST char ** errp,
LDAP_CONST int flags ));
LIBLDAP_F( LDAP_ATTRIBUTE_TYPE * )
ldap_str2attributetype LDAP_P((
LDAP_CONST char * s,
int * code,
LDAP_CONST char ** errp ));
LDAP_CONST char ** errp,
LDAP_CONST int flags ));
LIBLDAP_F( LDAP_SYNTAX * )
ldap_str2syntax LDAP_P((
LDAP_CONST char * s,
int * code,
LDAP_CONST char ** errp ));
LDAP_CONST char ** errp,
LDAP_CONST int flags ));
LIBLDAP_F( LDAP_MATCHING_RULE * )
ldap_str2matchingrule LDAP_P((
LDAP_CONST char * s,
int * code,
LDAP_CONST char ** errp ));
LDAP_CONST char ** errp,
LDAP_CONST int flags ));
LIBLDAP_F( char *)
ldap_objectclass2str LDAP_P((

52
libraries/libldap/schema.c
View file

@ -21,7 +21,6 @@
#include <ldap_schema.h>
static LDAP_CONST char *
choose_name( char *names[], LDAP_CONST char *fallback )
{
@ -680,7 +679,7 @@ parse_whsp(const char **sp)
/* Parse a sequence of dot-separated decimal strings */
static char *
parse_numericoid(const char **sp, int *code, const int allow_quoted)
parse_numericoid(const char **sp, int *code, const int flags)
{
char * res;
const char * start = *sp;
@ -688,7 +687,7 @@ parse_numericoid(const char **sp, int *code, const int allow_quoted)
int quoted = 0;
/* Netscape puts the SYNTAX value in quotes (incorrectly) */
if ( allow_quoted && **sp == '\'' ) {
if ( flags & LDAP_SCHEMA_ALLOW_QUOTED && **sp == '\'' ) {
quoted = 1;
(*sp)++;
start++;
@ -720,7 +719,7 @@ parse_numericoid(const char **sp, int *code, const int allow_quoted)
}
strncpy(res,start,len);
res[len] = '\0';
if ( allow_quoted && quoted ) {
if ( flags & LDAP_SCHEMA_ALLOW_QUOTED && quoted ) {
if ( **sp == '\'' ) {
(*sp)++;
} else {
@ -1025,11 +1024,12 @@ ldap_syntax_free( LDAP_SYNTAX * syn )
}
LDAP_SYNTAX *
ldap_str2syntax( const char * s, int * code, const char ** errp )
ldap_str2syntax( const char * s, int * code, const char ** errp, const int flags )
{
int kind;
const char * ss = s;
char * sval;
int seen_name = 0;
int seen_desc = 0;
LDAP_SYNTAX * syn;
char ** ext_vals;
@ -1080,7 +1080,24 @@ ldap_str2syntax( const char * s, int * code, const char ** errp )
case TK_RIGHTPAREN:
return syn;
case TK_BAREWORD:
if ( !strcmp(sval,"DESC") ) {
if ( !strcmp(sval,"NAME") ) {
LDAP_FREE(sval);
if ( seen_name ) {
*code = LDAP_SCHERR_DUPOPT;
*errp = ss;
ldap_syntax_free(syn);
return(NULL);
}
seen_name = 1;
syn->syn_names = parse_qdescrs(&ss,code);
if ( !syn->syn_names ) {
if ( *code != LDAP_SCHERR_OUTOFMEM )
*code = LDAP_SCHERR_BADNAME;
*errp = ss;
ldap_syntax_free(syn);
return NULL;
}
} else if ( !strcmp(sval,"DESC") ) {
LDAP_FREE(sval);
if ( seen_desc ) {
*code = LDAP_SCHERR_DUPOPT;
@ -1146,12 +1163,11 @@ ldap_matchingrule_free( LDAP_MATCHING_RULE * mr )
}
LDAP_MATCHING_RULE *
ldap_str2matchingrule( const char * s, int * code, const char ** errp )
ldap_str2matchingrule( const char * s, int * code, const char ** errp, const int flags )
{
int kind;
const char * ss = s;
char * sval;
int be_liberal = 1; /* Future additional argument */
int seen_name = 0;
int seen_desc = 0;
int seen_obsolete = 0;
@ -1184,9 +1200,9 @@ ldap_str2matchingrule( const char * s, int * code, const char ** errp )
parse_whsp(&ss);
savepos = ss;
mr->mr_oid = parse_numericoid(&ss,code,be_liberal);
mr->mr_oid = parse_numericoid(&ss,code,flags);
if ( !mr->mr_oid ) {
if ( be_liberal ) {
if ( flags & LDAP_SCHEMA_ALLOW_NO_OID ) {
/* Backtracking */
ss = savepos;
kind = get_token(&ss,&sval);
@ -1285,7 +1301,7 @@ ldap_str2matchingrule( const char * s, int * code, const char ** errp )
seen_syntax = 1;
parse_whsp(&ss);
mr->mr_syntax_oid =
parse_numericoid(&ss,code,be_liberal);
parse_numericoid(&ss,code,flags);
if ( !mr->mr_syntax_oid ) {
*errp = ss;
ldap_matchingrule_free(mr);
@ -1342,12 +1358,11 @@ ldap_attributetype_free(LDAP_ATTRIBUTE_TYPE * at)
}
LDAP_ATTRIBUTE_TYPE *
ldap_str2attributetype( const char * s, int * code, const char ** errp )
ldap_str2attributetype( const char * s, int * code, const char ** errp, const int flags )
{
int kind;
const char * ss = s;
char * sval;
int be_liberal = 1; /* Future additional argument */
int seen_name = 0;
int seen_desc = 0;
int seen_obsolete = 0;
@ -1394,7 +1409,7 @@ ldap_str2attributetype( const char * s, int * code, const char ** errp )
savepos = ss;
at->at_oid = parse_numericoid(&ss,code,0);
if ( !at->at_oid ) {
if ( be_liberal ) {
if ( flags & LDAP_SCHEMA_ALLOW_NO_OID ) {
/* Backtracking */
ss = savepos;
kind = get_token(&ss,&sval);
@ -1564,7 +1579,7 @@ ldap_str2attributetype( const char * s, int * code, const char ** errp )
parse_noidlen(&ss,
code,
&at->at_syntax_len,
be_liberal);
flags);
if ( !at->at_syntax_oid ) {
*errp = ss;
ldap_attributetype_free(at);
@ -1688,12 +1703,11 @@ ldap_objectclass_free(LDAP_OBJECT_CLASS * oc)
}
LDAP_OBJECT_CLASS *
ldap_str2objectclass( const char * s, int * code, const char ** errp )
ldap_str2objectclass( const char * s, int * code, const char ** errp, const int flags )
{
int kind;
const char * ss = s;
char * sval;
int be_liberal = 1; /* Future additional argument */
int seen_name = 0;
int seen_desc = 0;
int seen_obsolete = 0;
@ -1738,7 +1752,7 @@ ldap_str2objectclass( const char * s, int * code, const char ** errp )
savepos = ss;
oc->oc_oid = parse_numericoid(&ss,code,0);
if ( !oc->oc_oid ) {
if ( be_liberal ) {
if ( flags & LDAP_SCHEMA_ALLOW_ALL ) {
/* Backtracking */
ss = savepos;
kind = get_token(&ss,&sval);
@ -1841,7 +1855,7 @@ ldap_str2objectclass( const char * s, int * code, const char ** errp )
seen_sup = 1;
oc->oc_sup_oids = parse_oids(&ss,
code,
be_liberal);
flags);
if ( !oc->oc_sup_oids ) {
*errp = ss;
ldap_objectclass_free(oc);

2
servers/slapd/mr.c
View file

@ -169,7 +169,7 @@ register_matching_rule(
return -1;
}
mr = ldap_str2matchingrule( desc, &code, &err);
mr = ldap_str2matchingrule( desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
if ( !mr ) {
Debug( LDAP_DEBUG_ANY, "Error in register_matching_rule: %s before %s in %s\n",
ldap_scherr2str(code), err, desc );

4
servers/slapd/schemaparse.c
View file

@ -273,7 +273,7 @@ parse_oc(
const char *err;
char *oid = NULL;
oc = ldap_str2objectclass(line,&code,&err);
oc = ldap_str2objectclass(line,&code,&err,LDAP_SCHEMA_ALLOW_ALL);
if ( !oc ) {
fprintf( stderr, "%s: line %d: %s before %s\n",
fname, lineno, ldap_scherr2str(code), err );
@ -398,7 +398,7 @@ parse_at(
break;
}
}
at = ldap_str2attributetype(line,&code,&err);
at = ldap_str2attributetype(line,&code,&err,LDAP_SCHEMA_ALLOW_ALL);
if ( !at ) {
fprintf( stderr, "%s: line %d: %s before %s\n",
fname, lineno, ldap_scherr2str(code), err );

2
servers/slapd/syntax.c
View file

@ -148,7 +148,7 @@ register_syntax(
int code;
const char *err;
syn = ldap_str2syntax( desc, &code, &err);
syn = ldap_str2syntax( desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
if ( !syn ) {
Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s before %s in %s\n",
ldap_scherr2str(code), err, desc );