]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/ad.c
unifdef -DLDAP_NULL_IS_NULL
[openldap] / servers / slapd / ad.c
index a3d6ab53c80a161bb6f22709e6a498c8a257e168..7183d5e59fb6f3d5efac1b6e7987d470150f4092 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2003 The OpenLDAP Foundation.
+ * Copyright 1998-2006 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
 #include <ac/string.h>
 #include <ac/time.h>
 
-#include "ldap_pvt.h"
 #include "slap.h"
 #include "lutil.h"
 
+static AttributeName anlist_no_attrs[] = {
+       { BER_BVC( LDAP_NO_ATTRS ), NULL, 0, NULL },
+       { BER_BVNULL, NULL, 0, NULL }
+};
+
+static AttributeName anlist_all_user_attributes[] = {
+       { BER_BVC( LDAP_ALL_USER_ATTRIBUTES ), NULL, 0, NULL },
+       { BER_BVNULL, NULL, 0, NULL }
+};
+
+static AttributeName anlist_all_operational_attributes[] = {
+       { BER_BVC( LDAP_ALL_OPERATIONAL_ATTRIBUTES ), NULL, 0, NULL },
+       { BER_BVNULL, NULL, 0, NULL }
+};
+
+static AttributeName anlist_all_attributes[] = {
+       { BER_BVC( LDAP_ALL_USER_ATTRIBUTES ), NULL, 0, NULL },
+       { BER_BVC( LDAP_ALL_OPERATIONAL_ATTRIBUTES ), NULL, 0, NULL },
+       { BER_BVNULL, NULL, 0, NULL }
+};
+
+AttributeName *slap_anlist_no_attrs = anlist_no_attrs;
+AttributeName *slap_anlist_all_user_attributes = anlist_all_user_attributes;
+AttributeName *slap_anlist_all_operational_attributes = anlist_all_operational_attributes;
+AttributeName *slap_anlist_all_attributes = anlist_all_attributes;
+
 typedef struct Attr_option {
        struct berval name;     /* option name or prefix */
        int           prefix;   /* NAME is a tag and range prefix */
@@ -46,7 +71,7 @@ static int ad_keystring(
 {
        ber_len_t i;
 
-       if( !AD_CHAR( bv->bv_val[0] ) ) {
+       if( !AD_LEADCHAR( bv->bv_val[0] ) ) {
                return 1;
        }
 
@@ -137,24 +162,27 @@ int slap_bv2ad(
        assert( ad != NULL );
        assert( *ad == NULL ); /* temporary */
 
-       if( bv == NULL || bv->bv_len == 0 ) {
-               *text = "empty attribute description";
+       if( bv == NULL || BER_BVISNULL( bv ) || BER_BVISEMPTY( bv ) ) {
+               *text = "empty AttributeDescription";
                return rtn;
        }
 
        /* make sure description is IA5 */
        if( ad_keystring( bv ) ) {
-               *text = "attribute description contains inappropriate characters";
+               *text = "AttributeDescription contains inappropriate characters";
                return rtn;
        }
 
        /* find valid base attribute type; parse in place */
-       memset( &desc, 0, sizeof( desc ));
+       memset( &desc, 0, sizeof( desc ) );
        desc.ad_cname = *bv;
        name = bv->bv_val;
-       options = strchr(name, ';');
-       if( options != NULL ) {
+       options = ber_bvchr( bv, ';' );
+       if ( options != NULL && (unsigned) ( options - name ) < bv->bv_len ) {
+               /* don't go past the end of the berval! */
                desc.ad_cname.bv_len = options - name;
+       } else {
+               options = NULL;
        }
        desc.ad_type = at_bvfind( &desc.ad_cname );
        if( desc.ad_type == NULL ) {
@@ -222,7 +250,7 @@ int slap_bv2ad(
 
                                rc = strncasecmp( opt, tags[i].bv_val,
                                        (unsigned) optlen < tags[i].bv_len
-                                               ? optlen : tags[i].bv_len );
+                                               ? (unsigned) optlen : tags[i].bv_len );
 
                                if( rc == 0 && (unsigned)optlen == tags[i].bv_len ) {
                                        /* duplicate (ignore) */
@@ -360,7 +388,7 @@ done:;
                                        if( lp != desc.ad_tags.bv_val ) {
                                                *cp++ = ';';
                                                j = (lp
-                                                    ? lp - desc.ad_tags.bv_val - 1
+                                                    ? (unsigned) (lp - desc.ad_tags.bv_val - 1)
                                                     : strlen( desc.ad_tags.bv_val ));
                                                cp = lutil_strncopy(cp, desc.ad_tags.bv_val, j);
                                        }
@@ -485,7 +513,6 @@ int ad_inlist(
        for( ; attrs->an_name.bv_val; attrs++ ) {
                AttributeType *a;
                ObjectClass *oc;
-               int rc;
                
                if ( attrs->an_desc ) {
                        int lr;
@@ -530,9 +557,25 @@ int ad_inlist(
                        continue;
                }
 
+               if ( ber_bvccmp( &attrs->an_name, '*' ) ) {
+                       if ( !is_at_operational( desc->ad_type ) ) {
+                               return 1;
+                       }
+                       continue;
+               }
+
+               if ( ber_bvccmp( &attrs->an_name, '+' ) ) {
+                       if ( is_at_operational( desc->ad_type ) ) {
+                               return 1;
+                       }
+                       continue;
+               }
+
                /*
                 * EXTENSION: see if requested description is @objectClass
                 * if so, return attributes which the class requires/allows
+                * else if requested description is !objectClass, return
+                * attributes which the class does not require/allow
                 */
                oc = attrs->an_oc;
                if( oc == NULL && attrs->an_name.bv_val ) {
@@ -557,8 +600,6 @@ int ad_inlist(
                }
                if( oc != NULL ) {
                        if ( attrs->an_oc_exclude ) {
-                               int gotit = 0;
-
                                if ( oc == slap_schema.si_oc_extensibleObject ) {
                                        /* extensibleObject allows the return of anything */
                                        return 0;
@@ -623,15 +664,12 @@ int ad_inlist(
                        }
 
                } else {
-                       /* short-circuit this search next time around */
-                       if (!slap_schema.si_at_undefined->sat_ad) {
-                               const char *text;
-                               slap_bv2undef_ad(&attrs->an_name,
-                                       &attrs->an_desc, &text);
-                       } else {
-                               attrs->an_desc =
-                                       slap_schema.si_at_undefined->sat_ad;
-                       }
+                       const char      *text;
+
+                       /* give it a chance of being retrieved by a proxy... */
+                       (void)slap_bv2undef_ad( &attrs->an_name,
+                               &attrs->an_desc, &text,
+                               SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
                }
        }
 
@@ -642,52 +680,65 @@ int ad_inlist(
 int slap_str2undef_ad(
        const char *str,
        AttributeDescription **ad,
-       const char **text )
+       const char **text,
+       unsigned flags )
 {
        struct berval bv;
        bv.bv_val = (char *) str;
        bv.bv_len = strlen( str );
 
-       return slap_bv2undef_ad( &bv, ad, text );
+       return slap_bv2undef_ad( &bv, ad, text, flags );
 }
 
 int slap_bv2undef_ad(
        struct berval *bv,
        AttributeDescription **ad,
-       const char **text )
+       const char **text,
+       unsigned flags )
 {
        AttributeDescription *desc;
+       AttributeType *at;
 
        assert( ad != NULL );
 
        if( bv == NULL || bv->bv_len == 0 ) {
-               *text = "empty attribute description";
+               *text = "empty AttributeDescription";
                return LDAP_UNDEFINED_TYPE;
        }
 
        /* make sure description is IA5 */
        if( ad_keystring( bv ) ) {
-               *text = "attribute description contains inappropriate characters";
+               *text = "AttributeDescription contains inappropriate characters";
                return LDAP_UNDEFINED_TYPE;
        }
 
-       for( desc = slap_schema.si_at_undefined->sat_ad; desc;
-               desc=desc->ad_next ) 
-       {
+       /* use the appropriate type */
+       if ( flags & SLAP_AD_PROXIED ) {
+               at = slap_schema.si_at_proxied;
+
+       } else {
+               at = slap_schema.si_at_undefined;
+       }
+
+       for( desc = at->sat_ad; desc; desc=desc->ad_next ) {
                if( desc->ad_cname.bv_len == bv->bv_len &&
-                   !strcasecmp( desc->ad_cname.bv_val, bv->bv_val ))
+                   !strcasecmp( desc->ad_cname.bv_val, bv->bv_val ) )
                {
                        break;
                }
        }
-       
+
        if( !desc ) {
+               if ( flags & SLAP_AD_NOINSERT ) {
+                       *text = NULL;
+                       return LDAP_UNDEFINED_TYPE;
+               }
+       
                desc = ch_malloc(sizeof(AttributeDescription) + 1 +
                        bv->bv_len);
                
                desc->ad_flags = SLAP_DESC_NONE;
-               desc->ad_tags.bv_val = NULL;
-               desc->ad_tags.bv_len = 0;
+               BER_BVZERO( &desc->ad_tags );
 
                desc->ad_cname.bv_len = bv->bv_len;
                desc->ad_cname.bv_val = (char *)(desc+1);
@@ -696,9 +747,17 @@ int slap_bv2undef_ad(
                /* canonical to upper case */
                ldap_pvt_str2upper( desc->ad_cname.bv_val );
 
-               desc->ad_type = slap_schema.si_at_undefined;
+               /* shouldn't we protect this for concurrency? */
+               desc->ad_type = at;
+               ldap_pvt_thread_mutex_lock( &ad_undef_mutex );
                desc->ad_next = desc->ad_type->sat_ad;
                desc->ad_type->sat_ad = desc;
+               ldap_pvt_thread_mutex_unlock( &ad_undef_mutex );
+
+               Debug( LDAP_DEBUG_ANY,
+                       "%s attributeDescription \"%s\" inserted.\n",
+                       ( flags & SLAP_AD_PROXIED ) ? "PROXIED" : "UNKNOWN",
+                       desc->ad_cname.bv_val, 0 );
        }
 
        if( !*ad ) {
@@ -710,6 +769,62 @@ int slap_bv2undef_ad(
        return LDAP_SUCCESS;
 }
 
+static int
+undef_promote(
+       AttributeType   *at,
+       char            *name,
+       AttributeType   *nat )
+{
+       AttributeDescription    **u_ad, **n_ad;
+
+       /* Get to last ad on the new type */
+       for ( n_ad = &nat->sat_ad; *n_ad; n_ad = &(*n_ad)->ad_next ) ;
+
+       for ( u_ad = &at->sat_ad; *u_ad; ) {
+               struct berval   bv;
+
+               ber_str2bv( name, 0, 0, &bv );
+
+               /* remove iff undef == name or undef == name;tag */
+               if ( (*u_ad)->ad_cname.bv_len >= bv.bv_len
+                       && strncasecmp( (*u_ad)->ad_cname.bv_val, bv.bv_val, bv.bv_len ) == 0
+                       && ( (*u_ad)->ad_cname.bv_val[ bv.bv_len ] == '\0'
+                               || (*u_ad)->ad_cname.bv_val[ bv.bv_len ] == ';' ) )
+               {
+                       AttributeDescription    *tmp = *u_ad;
+
+                       *u_ad = (*u_ad)->ad_next;
+
+                       tmp->ad_next = NULL;
+                       *n_ad = tmp;
+                       n_ad = &tmp->ad_next;
+               } else {
+                       u_ad = &(*u_ad)->ad_next;
+               }
+       }
+
+       return 0;
+}
+
+int
+slap_ad_undef_promote(
+       char *name,
+       AttributeType *at )
+{
+       int     rc;
+
+       ldap_pvt_thread_mutex_lock( &ad_undef_mutex );
+
+       rc = undef_promote( slap_schema.si_at_undefined, name, at );
+       if ( rc == 0 ) {
+               rc = undef_promote( slap_schema.si_at_proxied, name, at );
+       }
+
+       ldap_pvt_thread_mutex_unlock( &ad_undef_mutex );
+
+       return rc;
+}
+
 int
 an_find(
     AttributeName *a,
@@ -751,13 +866,17 @@ str2anlist( AttributeName *an, char *in, const char *brkstr )
        AttributeName *anew;
 
        /* find last element in list */
-       for (i = 0; an && an[i].an_name.bv_val; i++);
+       i = 0;
+       if ( an != NULL ) {
+               for ( i = 0; !BER_BVISNULL( &an[ i ].an_name ) ; i++)
+                       ;
+       }
        
        /* protect the input string from strtok */
        str = ch_strdup( in );
 
        /* Count words in string */
-       j=1;
+       j = 1;
        for ( s = str; *s; s++ ) {
                if ( strchr( brkstr, *s ) != NULL ) {
                        j++;
@@ -765,6 +884,7 @@ str2anlist( AttributeName *an, char *in, const char *brkstr )
        }
 
        an = ch_realloc( an, ( i + j + 1 ) * sizeof( AttributeName ) );
+       BER_BVZERO( &an[i + j].an_name );
        anew = an + i;
        for ( s = ldap_pvt_strtok( str, brkstr, &lasts );
                s != NULL;
@@ -783,13 +903,7 @@ str2anlist( AttributeName *an, char *in, const char *brkstr )
                                        adname.bv_val = &anew->an_name.bv_val[1];
                                        slap_bv2ad(&adname, &anew->an_desc, &text);
                                        if ( !anew->an_desc ) {
-                                               free( an );
-                                               /*
-                                                * overwrites input string
-                                                * on error!
-                                                */
-                                               strcpy( in, s );
-                                               return NULL;
+                                               goto reterr;
                                        }
                                } break;
 
@@ -801,13 +915,7 @@ str2anlist( AttributeName *an, char *in, const char *brkstr )
                                        ocname.bv_val = &anew->an_name.bv_val[1];
                                        anew->an_oc = oc_bvfind( &ocname );
                                        if ( !anew->an_oc ) {
-                                               free( an );
-                                               /*
-                                                * overwrites input string
-                                                * on error!
-                                                */
-                                               strcpy( in, s );
-                                               return NULL;
+                                               goto reterr;
                                        }
 
                                        if ( anew->an_name.bv_val[0] == '!' ) {
@@ -819,21 +927,196 @@ str2anlist( AttributeName *an, char *in, const char *brkstr )
                                /* old (deprecated) way */
                                anew->an_oc = oc_bvfind( &anew->an_name );
                                if ( !anew->an_oc ) {
-                                       free( an );
-                                       /* overwrites input string on error! */
-                                       strcpy( in, s );
-                                       return NULL;
+                                       goto reterr;
                                }
                        }
                }
                anew++;
        }
 
-       anew->an_name.bv_val = NULL;
+       BER_BVZERO( &anew->an_name );
        free( str );
        return( an );
+
+reterr:
+       for ( i = 0; an[i].an_name.bv_val; i++ ) {
+               free( an[i].an_name.bv_val );
+       }
+       free( an );
+       /*
+        * overwrites input string
+        * on error!
+        */
+       strcpy( in, s );
+       free( str );
+       return NULL;
+}
+
+char **anlist2charray_x( AttributeName *an, int dup, void *ctx )
+{
+    char **attrs;
+    int i;
+                                                                                
+    if ( an != NULL ) {
+        for ( i = 0; !BER_BVISNULL( &an[i].an_name ); i++ )
+            ;
+               attrs = (char **) slap_sl_malloc( (i + 1) * sizeof(char *), ctx );
+        for ( i = 0; !BER_BVISNULL( &an[i].an_name ); i++ ) {
+                       if ( dup )
+                   attrs[i] = ch_strdup( an[i].an_name.bv_val );
+                       else
+                   attrs[i] = an[i].an_name.bv_val;
+        }
+        attrs[i] = NULL;
+    } else {
+        attrs = NULL;
+    }
+                                                                                
+    return attrs;
+}
+
+char **anlist2charray( AttributeName *an, int dup )
+{
+       return anlist2charray_x( an, dup, NULL );
+}
+
+char**
+anlist2attrs( AttributeName * anlist )
+{
+       int i, j, k = 0;
+       int n;
+       char **attrs;
+       ObjectClass *oc;
+
+       if ( anlist == NULL )
+               return NULL;
+
+       for ( i = 0; anlist[i].an_name.bv_val; i++ ) {
+               if ( ( oc = anlist[i].an_oc ) ) {
+                       for ( j = 0; oc->soc_required && oc->soc_required[j]; j++ ) ;
+                       k += j;
+                       for ( j = 0; oc->soc_allowed && oc->soc_allowed[j]; j++ ) ;
+                       k += j;
+               }
+       }
+
+       if ( i == 0 )
+               return NULL;
+                                                                                
+       attrs = anlist2charray( anlist, 1 );
+                                                                                
+       n = i;
+                                                                                
+       if ( k )
+               attrs = (char **) ch_realloc( attrs, (i + k + 1) * sizeof( char * ));
+
+       for ( i = 0; anlist[i].an_name.bv_val; i++ ) {
+               if ( ( oc = anlist[i].an_oc ) ) {
+                       for ( j = 0; oc->soc_required && oc->soc_required[j]; j++ ) {
+                               attrs[n++] = ch_strdup(
+                                                               oc->soc_required[j]->sat_cname.bv_val );
+                       }
+                       for ( j = 0; oc->soc_allowed && oc->soc_allowed[j]; j++ ) {
+                               attrs[n++] = ch_strdup(
+                                                               oc->soc_allowed[j]->sat_cname.bv_val );
+                       }
+               }
+       }
+       
+       if ( attrs )
+               attrs[n] = NULL;
+
+       i = 0;
+       while ( attrs && attrs[i] ) {
+               if ( *attrs[i] == '@' ) {
+                       ch_free( attrs[i] );
+                       for ( j = i; attrs[j]; j++ ) {
+                               attrs[j] = attrs[j+1];
+                       }
+               } else {
+                       i++;
+               }
+       }
+
+       for ( i = 0; attrs && attrs[i]; i++ ) {
+               j = i + 1;
+               while ( attrs && attrs[j] ) {
+                       if ( !strcmp( attrs[i], attrs[j] )) {
+                               ch_free( attrs[j] );
+                               for ( k = j; attrs && attrs[k]; k++ ) {
+                                       attrs[k] = attrs[k+1];
+                               }
+                       } else {
+                               j++;
+                       }
+               }
+       }
+
+       if ( i != n )
+               attrs = (char **) ch_realloc( attrs, (i+1) * sizeof( char * ));
+
+       return attrs;
 }
 
+#define LBUFSIZ        80
+AttributeName*
+file2anlist( AttributeName *an, const char *fname, const char *brkstr )
+{
+       FILE    *fp;
+       char    *line = NULL;
+       char    *lcur = NULL;
+       char    *c;
+       size_t  lmax = LBUFSIZ;
+
+       fp = fopen( fname, "r" );
+       if ( fp == NULL ) {
+               Debug( LDAP_DEBUG_ANY,
+                       "get_attrs_from_file: failed to open attribute list file "
+                       "\"%s\": %s\n", fname, strerror(errno), 0 );
+               return NULL;
+       }
+
+       lcur = line = (char *) ch_malloc( lmax );
+       if ( !line ) {
+               Debug( LDAP_DEBUG_ANY,
+                       "get_attrs_from_file: could not allocate memory\n",
+                       0, 0, 0 );
+               fclose(fp);
+               return NULL;
+       }
+
+       while ( fgets( lcur, LBUFSIZ, fp ) != NULL ) {
+               if ( ( c = strchr( lcur, '\n' ) ) ) {
+                       if ( c == line ) {
+                               *c = '\0';
+                       } else if ( *(c-1) == '\r' ) {
+                               *(c-1) = '\0';
+                       } else {
+                               *c = '\0';
+                       }
+               } else {
+                       lmax += LBUFSIZ;
+                       line = (char *) ch_realloc( line, lmax );
+                       if ( !line ) {
+                               Debug( LDAP_DEBUG_ANY,
+                                       "get_attrs_from_file: could not allocate memory\n",
+                                       0, 0, 0 );
+                               fclose(fp);
+                               return NULL;
+                       }
+                       lcur = line + strlen( line );
+                       continue;
+               }
+               an = str2anlist( an, line, brkstr );
+               if ( an == NULL )
+                       return NULL;
+               lcur = line;
+       }
+       ch_free( line );
+       fclose(fp);
+       return an;
+}
+#undef LBUFSIZ
 
 /* Define an attribute option. */
 int
@@ -852,15 +1135,9 @@ ad_define_option( const char *name, const char *fname, int lineno )
        optlen = 0;
        do {
                if ( !DESC_CHAR( name[optlen] ) ) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( CONFIG, CRIT,
-                                 "%s: line %d: illegal option name \"%s\"\n",
-                                 fname, lineno, name );
-#else
                        Debug( LDAP_DEBUG_ANY,
                               "%s: line %d: illegal option name \"%s\"\n",
                                    fname, lineno, name );
-#endif
                        return 1;
                }
        } while ( name[++optlen] );
@@ -870,15 +1147,9 @@ ad_define_option( const char *name, const char *fname, int lineno )
 
        if ( strcasecmp( name, "binary" ) == 0
             || ad_find_option_definition( name, optlen ) ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( CONFIG, CRIT,
-                         "%s: line %d: option \"%s\" is already defined\n",
-                         fname, lineno, name );
-#else
                Debug( LDAP_DEBUG_ANY,
                       "%s: line %d: option \"%s\" is already defined\n",
                       fname, lineno, name );
-#endif
                return 1;
        }
 
@@ -896,15 +1167,9 @@ ad_define_option( const char *name, const char *fname, int lineno )
             options[i].prefix &&
             optlen < options[i+1].name.bv_len &&
             strncasecmp( name, options[i+1].name.bv_val, optlen ) == 0 ) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( CONFIG, CRIT,
-                                 "%s: line %d: option \"%s\" overrides previous option\n",
-                                 fname, lineno, name );
-#else
                        Debug( LDAP_DEBUG_ANY,
                               "%s: line %d: option \"%s\" overrides previous option\n",
                                    fname, lineno, name );
-#endif
                        return 1;
        }
 
@@ -912,6 +1177,13 @@ ad_define_option( const char *name, const char *fname, int lineno )
        return 0;
 }
 
+void ad_unparse_options( BerVarray *res ){
+       int i;
+    for ( i=0; i < option_count; i++ ) {
+       ber_bvarray_add( res, ber_bvdup( &(options[i].name) ));
+    }
+}
+
 /* Find the definition of the option name or prefix matching the arguments */
 static Attr_option *
 ad_find_option_definition( const char *opt, int optlen )