sqlcipher/ext/misc/showauth.c

104 lines
4.0 KiB
C

/*
** 2014-09-21
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
******************************************************************************
**
** This SQLite extension adds a debug "authorizer" callback to the database
** connection. The callback merely writes the authorization request to
** standard output and returns SQLITE_OK.
**
** This extension can be used (for example) in the command-line shell to
** trace the operation of the authorizer.
*/
#include "sqlite3ext.h"
SQLITE_EXTENSION_INIT1
#include <stdio.h>
/*
** Display the authorization request
*/
static int authCallback(
void *pClientData,
int op,
const char *z1,
const char *z2,
const char *z3,
const char *z4
){
const char *zOp;
char zOpSpace[50];
switch( op ){
case SQLITE_CREATE_INDEX: zOp = "CREATE_INDEX"; break;
case SQLITE_CREATE_TABLE: zOp = "CREATE_TABLE"; break;
case SQLITE_CREATE_TEMP_INDEX: zOp = "CREATE_TEMP_INDEX"; break;
case SQLITE_CREATE_TEMP_TABLE: zOp = "CREATE_TEMP_TABLE"; break;
case SQLITE_CREATE_TEMP_TRIGGER: zOp = "CREATE_TEMP_TRIGGER"; break;
case SQLITE_CREATE_TEMP_VIEW: zOp = "CREATE_TEMP_VIEW"; break;
case SQLITE_CREATE_TRIGGER: zOp = "CREATE_TRIGGER"; break;
case SQLITE_CREATE_VIEW: zOp = "CREATE_VIEW"; break;
case SQLITE_DELETE: zOp = "DELETE"; break;
case SQLITE_DROP_INDEX: zOp = "DROP_INDEX"; break;
case SQLITE_DROP_TABLE: zOp = "DROP_TABLE"; break;
case SQLITE_DROP_TEMP_INDEX: zOp = "DROP_TEMP_INDEX"; break;
case SQLITE_DROP_TEMP_TABLE: zOp = "DROP_TEMP_TABLE"; break;
case SQLITE_DROP_TEMP_TRIGGER: zOp = "DROP_TEMP_TRIGGER"; break;
case SQLITE_DROP_TEMP_VIEW: zOp = "DROP_TEMP_VIEW"; break;
case SQLITE_DROP_TRIGGER: zOp = "DROP_TRIGGER"; break;
case SQLITE_DROP_VIEW: zOp = "DROP_VIEW"; break;
case SQLITE_INSERT: zOp = "INSERT"; break;
case SQLITE_PRAGMA: zOp = "PRAGMA"; break;
case SQLITE_READ: zOp = "READ"; break;
case SQLITE_SELECT: zOp = "SELECT"; break;
case SQLITE_TRANSACTION: zOp = "TRANSACTION"; break;
case SQLITE_UPDATE: zOp = "UPDATE"; break;
case SQLITE_ATTACH: zOp = "ATTACH"; break;
case SQLITE_DETACH: zOp = "DETACH"; break;
case SQLITE_ALTER_TABLE: zOp = "ALTER_TABLE"; break;
case SQLITE_REINDEX: zOp = "REINDEX"; break;
case SQLITE_ANALYZE: zOp = "ANALYZE"; break;
case SQLITE_CREATE_VTABLE: zOp = "CREATE_VTABLE"; break;
case SQLITE_DROP_VTABLE: zOp = "DROP_VTABLE"; break;
case SQLITE_FUNCTION: zOp = "FUNCTION"; break;
case SQLITE_SAVEPOINT: zOp = "SAVEPOINT"; break;
case SQLITE_COPY: zOp = "COPY"; break;
case SQLITE_RECURSIVE: zOp = "RECURSIVE"; break;
default: {
sqlite3_snprintf(sizeof(zOpSpace), zOpSpace, "%d", op);
zOp = zOpSpace;
break;
}
}
if( z1==0 ) z1 = "NULL";
if( z2==0 ) z2 = "NULL";
if( z3==0 ) z3 = "NULL";
if( z4==0 ) z4 = "NULL";
printf("AUTH: %s,%s,%s,%s,%s\n", zOp, z1, z2, z3, z4);
return SQLITE_OK;
}
#ifdef _WIN32
__declspec(dllexport)
#endif
int sqlite3_showauth_init(
sqlite3 *db,
char **pzErrMsg,
const sqlite3_api_routines *pApi
){
int rc = SQLITE_OK;
SQLITE_EXTENSION_INIT2(pApi);
(void)pzErrMsg; /* Unused parameter */
rc = sqlite3_set_authorizer(db, authCallback, 0);
return rc;
}