/* * Unix SMB/CIFS implementation. * RPC Pipe client / server routines * Copyright (C) Gerald Carter 2002. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Implementation of registry frontend view functions. */ #include "includes.h" #undef DBGC_CLASS #define DBGC_CLASS DBGC_RPC_SRV /*********************************************************************** Init the talloc context held by a REGSUBKEY_CTR structure **********************************************************************/ void regsubkey_ctr_init( REGSUBKEY_CTR *ctr ) { if ( !ctr->ctx ) ctr->ctx = talloc_init("regsubkey_ctr_init for ctr %p", ctr); } /*********************************************************************** Add a new key to the array **********************************************************************/ int regsubkey_ctr_addkey( REGSUBKEY_CTR *ctr, const char *keyname ) { uint32 len; char **pp; if ( keyname ) { len = strlen( keyname ); /* allocate a space for the char* in the array */ if ( ctr->subkeys == 0 ) ctr->subkeys = talloc( ctr->ctx, sizeof(char*) ); else { pp = talloc_realloc( ctr->ctx, ctr->subkeys, sizeof(char*)*(ctr->num_subkeys+1) ); if ( pp ) ctr->subkeys = pp; } /* allocate the string and save it in the array */ ctr->subkeys[ctr->num_subkeys] = talloc( ctr->ctx, len+1 ); strncpy( ctr->subkeys[ctr->num_subkeys], keyname, len+1 ); ctr->num_subkeys++; } return ctr->num_subkeys; } /*********************************************************************** How many keys does the container hold ? **********************************************************************/ int regsubkey_ctr_numkeys( REGSUBKEY_CTR *ctr ) { return ctr->num_subkeys; } /*********************************************************************** Retreive a specific key string **********************************************************************/ char* regsubkey_ctr_specific_key( REGSUBKEY_CTR *ctr, uint32 key_index ) { if ( ! (key_index < ctr->num_subkeys) ) return NULL; return ctr->subkeys[key_index]; } /*********************************************************************** free memory held by a REGSUBKEY_CTR structure **********************************************************************/ void regsubkey_ctr_destroy( REGSUBKEY_CTR *ctr ) { if ( ctr ) { talloc_destroy( ctr->ctx ); ZERO_STRUCTP( ctr ); } } /* * Utility functions for REGVAL_CTR */ /*********************************************************************** Init the talloc context held by a REGSUBKEY_CTR structure **********************************************************************/ void regval_ctr_init( REGVAL_CTR *ctr ) { if ( !ctr->ctx ) ctr->ctx = talloc_init("regval_ctr_init for ctr %p", ctr); } /*********************************************************************** How many keys does the container hold ? **********************************************************************/ int regval_ctr_numvals( REGVAL_CTR *ctr ) { return ctr->num_values; } /*********************************************************************** allocate memory for and duplicate a REGISTRY_VALUE. This is malloc'd memory so the caller should free it when done **********************************************************************/ REGISTRY_VALUE* dup_registry_value( REGISTRY_VALUE *val ) { REGISTRY_VALUE *copy = NULL; if ( !val ) return NULL; if ( !(copy = malloc( sizeof(REGISTRY_VALUE) )) ) { DEBUG(0,("dup_registry_value: malloc() failed!\n")); return NULL; } /* copy all the non-pointer initial data */ memcpy( copy, val, sizeof(REGISTRY_VALUE) ); if ( val->data_p ) { if ( !(copy->data_p = memdup( val->data_p, val->size )) ) { DEBUG(0,("dup_registry_value: memdup() failed for [%d] bytes!\n", val->size)); SAFE_FREE( copy ); } } return copy; } /********************************************************************** free the memory allocated to a REGISTRY_VALUE *********************************************************************/ void free_registry_value( REGISTRY_VALUE *val ) { if ( !val ) return; SAFE_FREE( val->data_p ); SAFE_FREE( val ); return; } /********************************************************************** *********************************************************************/ uint8* regval_data_p( REGISTRY_VALUE *val ) { return val->data_p; } /********************************************************************** *********************************************************************/ int regval_size( REGISTRY_VALUE *val ) { return val->size; } /********************************************************************** *********************************************************************/ char* regval_name( REGISTRY_VALUE *val ) { return val->valuename; } /********************************************************************** *********************************************************************/ uint32 regval_type( REGISTRY_VALUE *val ) { return val->type; } /*********************************************************************** Retreive a pointer to a specific value. Caller shoud dup the structure since this memory may go away with a regval_ctr_destroy() **********************************************************************/ REGISTRY_VALUE* regval_ctr_specific_value( REGVAL_CTR *ctr, uint32 idx ) { if ( !(idx < ctr->num_values) ) return NULL; return ctr->values[idx]; } /*********************************************************************** Retrive the TALLOC_CTX associated with a REGISTRY_VALUE **********************************************************************/ TALLOC_CTX* regval_ctr_getctx( REGVAL_CTR *val ) { if ( !val ) return NULL; return val->ctx; } /*********************************************************************** Add a new registry value to the array **********************************************************************/ int regval_ctr_addvalue( REGVAL_CTR *ctr, const char *name, uint16 type, const char *data_p, size_t size ) { REGISTRY_VALUE **ppreg; if ( name ) { /* allocate a slot in the array of pointers */ if ( ctr->num_values == 0 ) ctr->values = talloc( ctr->ctx, sizeof(REGISTRY_VALUE*) ); else { ppreg = talloc_realloc( ctr->ctx, ctr->values, sizeof(REGISTRY_VALUE*)*(ctr->num_values+1) ); if ( ppreg ) ctr->values = ppreg; } /* allocate a new value and store the pointer in the arrya */ ctr->values[ctr->num_values] = talloc( ctr->ctx, sizeof(REGISTRY_VALUE) ); /* init the value */ fstrcpy( ctr->values[ctr->num_values]->valuename, name ); ctr->values[ctr->num_values]->type = type; ctr->values[ctr->num_values]->data_p = talloc_memdup( ctr->ctx, data_p, size ); ctr->values[ctr->num_values]->size = size; ctr->num_values++; } return ctr->num_values; } /*********************************************************************** Add a new registry value to the array **********************************************************************/ int regval_ctr_copyvalue( REGVAL_CTR *ctr, REGISTRY_VALUE *val ) { REGISTRY_VALUE **ppreg; if ( val ) { /* allocate a slot in the array of pointers */ if ( ctr->num_values == 0 ) ctr->values = talloc( ctr->ctx, sizeof(REGISTRY_VALUE*) ); else { ppreg = talloc_realloc( ctr->ctx, ctr->values, sizeof(REGISTRY_VALUE*)*(ctr->num_values+1) ); if ( ppreg ) ctr->values = ppreg; } /* allocate a new value and store the pointer in the arrya */ ctr->values[ctr->num_values] = talloc( ctr->ctx, sizeof(REGISTRY_VALUE) ); /* init the value */ fstrcpy( ctr->values[ctr->num_values]->valuename, val->valuename ); ctr->values[ctr->num_values]->type = val->type; ctr->values[ctr->num_values]->data_p = talloc_memdup( ctr->ctx, val->data_p, val->size ); ctr->values[ctr->num_values]->size = val->size; ctr->num_values++; } return ctr->num_values; } /*********************************************************************** Delete a single value from the registry container. No need to free memory since it is talloc'd. **********************************************************************/ int regval_ctr_delvalue( REGVAL_CTR *ctr, const char *name ) { int i; /* search for the value */ if (!(ctr->num_values)) return 0; for ( i=0; i<ctr->num_values; i++ ) { if ( strcmp( ctr->values[i]->valuename, name ) == 0) break; } /* just return if we don't find it */ if ( i == ctr->num_values ) return ctr->num_values; /* just shift everything down one */ for ( /* use previous i */; i<(ctr->num_values-1); i++ ) memcpy( ctr->values[i], ctr->values[i+1], sizeof(REGISTRY_VALUE) ); /* paranoia */ ZERO_STRUCTP( ctr->values[i] ); ctr->num_values--; return ctr->num_values; } /*********************************************************************** Delete a single value from the registry container. No need to free memory since it is talloc'd. **********************************************************************/ REGISTRY_VALUE* regval_ctr_getvalue( REGVAL_CTR *ctr, const char *name ) { int i; /* search for the value */ for ( i=0; i<ctr->num_values; i++ ) { if ( strequal( ctr->values[i]->valuename, name ) ) return ctr->values[i]; } return NULL; } /*********************************************************************** free memory held by a REGVAL_CTR structure **********************************************************************/ void regval_ctr_destroy( REGVAL_CTR *ctr ) { if ( ctr ) { talloc_destroy( ctr->ctx ); ZERO_STRUCTP( ctr ); } }