]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/mods.c
Add ldap_pvt_thread_pool_retract() to cancel pending threads
[openldap] / servers / slapd / mods.c
index f4c84b4a2ef18f8f18ea6f08d62926f850fba80e..c8d8b9c9e29a27b0116a7768466c84d75b167b58 100644 (file)
@@ -1,7 +1,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2009 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
 #include <ac/string.h>
 
 #include "slap.h"
+#include "lutil.h"
 
 int
 modify_add_values(
-       Entry   *e,
+       Entry           *e,
        Modification    *mod,
-       int     permissive,
+       int             permissive,
        const char      **text,
-       char *textbuf, size_t textlen )
+       char            *textbuf,
+       size_t          textlen )
 {
-       const char *op;
-       Attribute *a;
+       int             rc;
+       const char      *op;
+       Attribute       *a;
+       Modification    pmod = *mod;
 
-       switch( mod->sm_op ) {
+       switch ( mod->sm_op ) {
        case LDAP_MOD_ADD:
                op = "add";
                break;
@@ -52,10 +56,21 @@ modify_add_values(
                assert( 0 );
        }
 
+       /* FIXME: Catch old code that doesn't set sm_numvals.
+        */
+       if ( !BER_BVISNULL( &mod->sm_values[mod->sm_numvals] )) {
+               unsigned i;
+               for ( i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ );
+               assert( mod->sm_numvals == i );
+       }
+
+       /* check if values to add exist in attribute */
        a = attr_find( e->e_attrs, mod->sm_desc );
-       if( a != NULL ) { /* check if values to add exist in attribute */
-               int     rc, i, j;
-               MatchingRule *mr;
+       if ( a != NULL ) {
+               MatchingRule    *mr;
+               struct berval *cvals;
+               int             rc;
+               unsigned i, p, flags;
 
                mr = mod->sm_desc->ad_type->sat_equality;
                if( mr == NULL || !mr->smr_match ) {
@@ -68,46 +83,95 @@ modify_add_values(
                        return LDAP_INAPPROPRIATE_MATCHING;
                }
 
+               if ( permissive ) {
+                       i = mod->sm_numvals;
+                       pmod.sm_values = (BerVarray)ch_malloc(
+                               (i + 1) * sizeof( struct berval ));
+                       if ( pmod.sm_nvalues != NULL ) {
+                               pmod.sm_nvalues = (BerVarray)ch_malloc(
+                                       (i + 1) * sizeof( struct berval ));
+                       }
+               }
+
                /* no normalization is done in this routine nor
                 * in the matching routines called by this routine. 
                 * values are now normalized once on input to the
                 * server (whether from LDAP or from the underlying
                 * database).
                 */
-               for ( i=0; mod->sm_values[i].bv_val; i++ ) {
-                       for ( j=0; a->a_vals[j].bv_val; j++ ) {
-                               int match;
-                               if( mod->sm_nvalues ) {
-                                       rc = value_match( &match, mod->sm_desc, mr,
-                                               SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ASSERTION_SYNTAX
-                                                       | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
-                                                       | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
-                                               &a->a_nvals[j], &mod->sm_nvalues[i], text );
-                               } else {
-                                       rc = value_match( &match, mod->sm_desc, mr,
-                                               SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
-                                               &a->a_vals[j], &mod->sm_values[i], text );
-                               }
+               if ( a->a_desc == slap_schema.si_ad_objectClass ) {
+                       /* Needed by ITS#5517 */
+                       flags = SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX;
+
+               } else {
+                       flags = SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ASSERTION_SYNTAX;
+               }
+               if ( mod->sm_nvalues ) {
+                       flags |= SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH |
+                               SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH;
+                       cvals = mod->sm_nvalues;
+               } else {
+                       cvals = mod->sm_values;
+               }
+               for ( p = i = 0; i < mod->sm_numvals; i++ ) {
+                       unsigned        slot;
 
-                               if( rc == LDAP_SUCCESS && match == 0 ) {
+                       rc = attr_valfind( a, flags, &cvals[i], &slot, NULL );
+                       if ( rc == LDAP_SUCCESS ) {
+                               if ( !permissive ) {
                                        /* value already exists */
                                        *text = textbuf;
                                        snprintf( textbuf, textlen,
-                                               "modify/%s: %s: value #%d already exists",
+                                               "modify/%s: %s: value #%u already exists",
                                                op, mod->sm_desc->ad_cname.bv_val, i );
                                        return LDAP_TYPE_OR_VALUE_EXISTS;
                                }
+                       } else if ( rc != LDAP_NO_SUCH_ATTRIBUTE ) {
+                               return rc;
+                       }
+
+                       if ( permissive && rc ) {
+                               if ( pmod.sm_nvalues ) {
+                                       pmod.sm_nvalues[p] = mod->sm_nvalues[i];
+                               }
+                               pmod.sm_values[p++] = mod->sm_values[i];
+                       }
+               }
+
+               if ( permissive ) {
+                       if ( p == 0 ) {
+                               /* all new values match exist */
+                               ch_free( pmod.sm_values );
+                               if ( pmod.sm_nvalues ) ch_free( pmod.sm_nvalues );
+                               return LDAP_SUCCESS;
+                       }
+
+                       BER_BVZERO( &pmod.sm_values[p] );
+                       if ( pmod.sm_nvalues ) {
+                               BER_BVZERO( &pmod.sm_nvalues[p] );
                        }
                }
        }
 
        /* no - add them */
-       if( attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues ) != 0 ) {
+       if ( mod->sm_desc->ad_type->sat_flags & SLAP_AT_ORDERED_VAL ) {
+               rc = ordered_value_add( e, mod->sm_desc, a,
+                       pmod.sm_values, pmod.sm_nvalues );
+       } else {
+               rc = attr_merge( e, mod->sm_desc, pmod.sm_values, pmod.sm_nvalues );
+       }
+
+       if ( a != NULL && permissive ) {
+               ch_free( pmod.sm_values );
+               if ( pmod.sm_nvalues ) ch_free( pmod.sm_nvalues );
+       }
+
+       if ( rc != 0 ) {
                /* this should return result of attr_merge */
                *text = textbuf;
                snprintf( textbuf, textlen,
-                       "modify/%s: %s: merge error",
-                       op, mod->sm_desc->ad_cname.bv_val );
+                       "modify/%s: %s: merge error (%d)",
+                       op, mod->sm_desc->ad_cname.bv_val, rc );
                return LDAP_OTHER;
        }
 
@@ -116,17 +180,31 @@ modify_add_values(
 
 int
 modify_delete_values(
+       Entry   *e,
+       Modification    *m,
+       int     perm,
+       const char      **text,
+       char *textbuf, size_t textlen )
+{
+       return modify_delete_vindex( e, m, perm, text, textbuf, textlen, NULL );
+}
+
+int
+modify_delete_vindex(
        Entry   *e,
        Modification    *mod,
        int     permissive,
        const char      **text,
-       char *textbuf, size_t textlen )
+       char *textbuf, size_t textlen,
+       int *idx )
 {
-       int             i, j, k, rc = LDAP_SUCCESS;
        Attribute       *a;
        MatchingRule    *mr = mod->sm_desc->ad_type->sat_equality;
+       struct berval *cvals;
+       int             *id2 = NULL;
+       int             rc = 0;
+       unsigned i, j, flags;
        char            dummy = '\0';
-       int                     match = 0;
 
        /*
         * If permissive is set, then the non-existence of an 
@@ -149,6 +227,17 @@ modify_delete_values(
                return rc;
        }
 
+       /* FIXME: Catch old code that doesn't set sm_numvals.
+        */
+       if ( !BER_BVISNULL( &mod->sm_values[mod->sm_numvals] )) {
+               for ( i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ );
+               assert( mod->sm_numvals == i );
+       }
+       if ( !idx ) {
+               id2 = ch_malloc( mod->sm_numvals * sizeof( int ));
+               idx = id2;
+       }
+
        if( mr == NULL || !mr->smr_match ) {
                /* disallow specific attributes from being deleted if
                        no equality rule */
@@ -156,117 +245,120 @@ modify_delete_values(
                snprintf( textbuf, textlen,
                        "modify/delete: %s: no equality matching rule",
                        mod->sm_desc->ad_cname.bv_val );
-               return LDAP_INAPPROPRIATE_MATCHING;
+               rc = LDAP_INAPPROPRIATE_MATCHING;
+               goto return_result;
        }
 
        /* delete specific values - find the attribute first */
        if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
                if( permissive ) {
-                       return LDAP_SUCCESS;
+                       rc = LDAP_SUCCESS;
+                       goto return_result;
                }
                *text = textbuf;
                snprintf( textbuf, textlen,
                        "modify/delete: %s: no such attribute",
                        mod->sm_desc->ad_cname.bv_val );
-               return LDAP_NO_SUCH_ATTRIBUTE;
+               rc = LDAP_NO_SUCH_ATTRIBUTE;
+               goto return_result;
        }
 
-       for ( i = 0; mod->sm_values[i].bv_val != NULL; i++ ) {
-               int     found = 0;
-               for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
-
-                       if( mod->sm_nvalues ) {
-                               assert( a->a_nvals );
-                               rc = (*mr->smr_match)( &match,
-                                       SLAP_MR_VALUE_OF_ASSERTION_SYNTAX
-                                               | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
-                                               | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
-                                       a->a_desc->ad_type->sat_syntax,
-                                       mr, &a->a_nvals[j],
-                                       &mod->sm_nvalues[i] );
-                       } else {
-#if 0
-                               assert( a->a_nvals == NULL );
-#endif
-                               rc = (*mr->smr_match)( &match,
-                                       SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
-                                       a->a_desc->ad_type->sat_syntax,
-                                       mr, &a->a_vals[j],
-                                       &mod->sm_values[i] );
-                       }
+       if ( a->a_desc == slap_schema.si_ad_objectClass ) {
+               /* Needed by ITS#5517,ITS#5963 */
+               flags = SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX;
 
-                       if ( rc != LDAP_SUCCESS ) {
-                               *text = textbuf;
-                               snprintf( textbuf, textlen,
-                                       "%s: matching rule failed",
-                                       mod->sm_desc->ad_cname.bv_val );
-                               break;
-                       }
+       } else {
+               flags = SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ASSERTION_SYNTAX;
+       }
+       if ( mod->sm_nvalues ) {
+               flags |= SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
+                       | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH;
+               cvals = mod->sm_nvalues;
+       } else {
+               cvals = mod->sm_values;
+       }
 
-                       if ( match != 0 ) {
+       /* Locate values to delete */
+       for ( i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ ) {
+               unsigned sort;
+               rc = attr_valfind( a, flags, &cvals[i], &sort, NULL );
+               if ( rc == LDAP_SUCCESS ) {
+                       idx[i] = sort;
+               } else if ( rc == LDAP_NO_SUCH_ATTRIBUTE ) {
+                       if ( permissive ) {
+                               idx[i] = -1;
                                continue;
                        }
-
-                       found = 1;
-
-                       /* delete value and mark it as dummy */
-                       free( a->a_vals[j].bv_val );
-                       a->a_vals[j].bv_val = &dummy;
-                       if( a->a_nvals != a->a_vals ) {
-                               free( a->a_nvals[j].bv_val );
-                               a->a_nvals[j].bv_val = &dummy;
-                       }
-
-                       break;
-               }
-
-               if ( found == 0 ) {
                        *text = textbuf;
                        snprintf( textbuf, textlen,
                                "modify/delete: %s: no such value",
                                mod->sm_desc->ad_cname.bv_val );
-                       rc = LDAP_NO_SUCH_ATTRIBUTE;
-                       if ( i > 0 ) {
-                               break;
-                       } else {
-                               goto return_results;
-                       }
+                       goto return_result;
+               } else {
+                       *text = textbuf;
+                       snprintf( textbuf, textlen,
+                               "modify/delete: %s: matching rule failed",
+                               mod->sm_desc->ad_cname.bv_val );
+                       goto return_result;
+               }
+       }
+
+       /* Delete the values */
+       for ( i = 0; i < mod->sm_numvals; i++ ) {
+               /* Skip permissive values that weren't found */
+               if ( idx[i] < 0 )
+                       continue;
+               /* Skip duplicate delete specs */
+               if ( a->a_vals[idx[i]].bv_val == &dummy )
+                       continue;
+               /* delete value and mark it as gone */
+               free( a->a_vals[idx[i]].bv_val );
+               a->a_vals[idx[i]].bv_val = &dummy;
+               if( a->a_nvals != a->a_vals ) {
+                       free( a->a_nvals[idx[i]].bv_val );
+                       a->a_nvals[idx[i]].bv_val = &dummy;
                }
+               a->a_numvals--;
        }
 
        /* compact array skipping dummies */
-       for ( k = 0, j = 0; a->a_vals[k].bv_val != NULL; k++ ) {
+       for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
                /* skip dummies */
-               if( a->a_vals[k].bv_val == &dummy ) {
-                       assert( a->a_nvals == NULL || a->a_nvals[k].bv_val == &dummy );
+               if( a->a_vals[i].bv_val == &dummy ) {
+                       assert( a->a_nvals[i].bv_val == &dummy );
                        continue;
                }
-               if ( j != k ) {
-                       a->a_vals[ j ] = a->a_vals[ k ];
+               if ( j != i ) {
+                       a->a_vals[ j ] = a->a_vals[ i ];
                        if (a->a_nvals != a->a_vals) {
-                               a->a_nvals[ j ] = a->a_nvals[ k ];
+                               a->a_nvals[ j ] = a->a_nvals[ i ];
                        }
                }
-
                j++;
        }
 
-       a->a_vals[j].bv_val = NULL;
-       if (a->a_nvals != a->a_vals) a->a_nvals[j].bv_val = NULL;
+       BER_BVZERO( &a->a_vals[j] );
+       if (a->a_nvals != a->a_vals) {
+               BER_BVZERO( &a->a_nvals[j] );
+       }
 
        /* if no values remain, delete the entire attribute */
-       if ( a->a_vals[0].bv_val == NULL ) {
+       if ( !a->a_numvals ) {
                if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
+                       /* Can never happen */
                        *text = textbuf;
                        snprintf( textbuf, textlen,
                                "modify/delete: %s: no such attribute",
                                mod->sm_desc->ad_cname.bv_val );
                        rc = LDAP_NO_SUCH_ATTRIBUTE;
                }
+       } else if ( a->a_desc->ad_type->sat_flags & SLAP_AT_ORDERED_VAL ) {
+               /* For an ordered attribute, renumber the value indices */
+               ordered_value_sort( a, 1 );
        }
-
-return_results:;
-
+return_result:
+       if ( id2 )
+               ch_free( id2 );
        return rc;
 }
 
@@ -299,32 +391,50 @@ modify_increment_values(
 
        a = attr_find( e->e_attrs, mod->sm_desc );
        if( a == NULL ) {
-               *text = textbuf;
-               snprintf( textbuf, textlen,
-                       "modify/increment: %s: no such attribute",
-                       mod->sm_desc->ad_cname.bv_val );
-               return LDAP_NO_SUCH_ATTRIBUTE;
+               if ( permissive ) {
+                       Modification modReplace = *mod;
+
+                       modReplace.sm_op = LDAP_MOD_REPLACE;
+
+                       return modify_add_values(e, &modReplace, permissive, text, textbuf, textlen);
+               } else {
+                       *text = textbuf;
+                       snprintf( textbuf, textlen,
+                               "modify/increment: %s: no such attribute",
+                               mod->sm_desc->ad_cname.bv_val );
+                       return LDAP_NO_SUCH_ATTRIBUTE;
+               }
        }
 
        if ( !strcmp( a->a_desc->ad_type->sat_syntax_oid, SLAPD_INTEGER_SYNTAX )) {
                int i;
                char str[sizeof(long)*3 + 2]; /* overly long */
-               long incr = atol( mod->sm_values[0].bv_val );
+               long incr;
+
+               if ( lutil_atol( &incr, mod->sm_values[0].bv_val ) != 0 ) {
+                       *text = "modify/increment: invalid syntax of increment";
+                       return LDAP_INVALID_SYNTAX;
+               }
 
                /* treat zero and errors as a no-op */
                if( incr == 0 ) {
                        return LDAP_SUCCESS;
                }
 
-               for( i=0; a->a_nvals[i].bv_val != NULL; i++ ) {
+               for( i = 0; !BER_BVISNULL( &a->a_nvals[i] ); i++ ) {
                        char *tmp;
-                       long value = atol( a->a_nvals[i].bv_val );
-                       size_t strln = snprintf( str, sizeof(str), "%ld", value+incr );
+                       long value;
+                       size_t strln;
+                       if ( lutil_atol( &value, a->a_nvals[i].bv_val ) != 0 ) {
+                               *text = "modify/increment: invalid syntax of original value";
+                               return LDAP_INVALID_SYNTAX;
+                       }
+                       strln = snprintf( str, sizeof(str), "%ld", value+incr );
 
                        tmp = SLAP_REALLOC( a->a_nvals[i].bv_val, strln+1 );
                        if( tmp == NULL ) {
                                *text = "modify/increment: reallocation error";
-                               return LDAP_OTHER;;
+                               return LDAP_OTHER;
                        }
                        a->a_nvals[i].bv_val = tmp;
                        a->a_nvals[i].bv_len = strln;
@@ -359,14 +469,16 @@ slap_mod_free(
 
 void
 slap_mods_free(
-    Modifications      *ml )
+    Modifications      *ml,
+    int                        freevals )
 {
        Modifications *next;
 
        for ( ; ml != NULL; ml = next ) {
                next = ml->sml_next;
 
-               slap_mod_free( &ml->sml_mod, 0 );
+               if ( freevals )
+                       slap_mod_free( &ml->sml_mod, 0 );
                free( ml );
        }
 }