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Overview
| Comment: | Enhance the sqlite3_user_add() interface to initialize the user authentication logic. Add test cases for the extra argument on the end of the authorizer callback. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | user-auth |
| Files: | files | file ages | folders |
| SHA1: | 842c6da8f1a62bd13a1b4089a98b0835 |
| User & Date: | drh 2014-09-11 16:19:31 |
Context
|
2014-09-11
| ||
| 16:36 | Suppress the potential schema error that occurs when a non-user-auth SQLite library tries to parse the sqlite_user table definition in a user-auth database. check-in: cda33c1e user: drh tags: user-auth | |
| 16:19 | Enhance the sqlite3_user_add() interface to initialize the user authentication logic. Add test cases for the extra argument on the end of the authorizer callback. check-in: 842c6da8 user: drh tags: user-auth | |
| 15:25 | All interfaces working and tested. check-in: 96ea5c0b user: drh tags: user-auth | |
Changes
Changes to ext/userauth/userauth.c.
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int sqlite3UserAuthCheckLogin(
sqlite3 *db, /* The database connection to check */
const char *zDb, /* Name of specific database to check */
u8 *peAuth /* OUT: One of UAUTH_* constants */
){
int rc;
u8 savedAuthLevel;
savedAuthLevel = db->auth.authLevel;
db->auth.authLevel = UAUTH_Admin;
rc = userAuthCheckLogin(db, zDb, peAuth);
db->auth.authLevel = savedAuthLevel;
return rc;
}
/*
** Implementation of the sqlite_crypt(X,Y) function.
**
** If Y is NULL then generate a new hash for password X and return that
** hash. If Y is not null, then generate a hash for password X using the
** same salt as the previous hash Y and return the new hash.
................................................................................
const char *zUsername, /* Username to be added */
const char *aPW, /* Password or credentials */
int nPW, /* Number of bytes in aPW[] */
int isAdmin /* True to give new user admin privilege */
){
sqlite3_stmt *pStmt;
int rc;
if( db->auth.authLevel<UAUTH_Admin ) return SQLITE_AUTH;
if( !userTableExists(db, "main") ){
if( !isAdmin ) return SQLITE_AUTH;
pStmt = sqlite3UserAuthPrepare(db,
"CREATE TABLE sqlite_user(\n"
" uname TEXT PRIMARY KEY,\n"
" isAdmin BOOLEAN,\n"
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int sqlite3UserAuthCheckLogin(
sqlite3 *db, /* The database connection to check */
const char *zDb, /* Name of specific database to check */
u8 *peAuth /* OUT: One of UAUTH_* constants */
){
int rc;
u8 savedAuthLevel;
assert( zDb!=0 );
assert( peAuth!=0 );
savedAuthLevel = db->auth.authLevel;
db->auth.authLevel = UAUTH_Admin;
rc = userAuthCheckLogin(db, zDb, peAuth);
db->auth.authLevel = savedAuthLevel;
return rc;
}
/*
** If the current authLevel is UAUTH_Unknown, the take actions to figure
** out what authLevel should be
*/
void sqlite3UserAuthInit(sqlite3 *db){
if( db->auth.authLevel==UAUTH_Unknown ){
u8 authLevel = UAUTH_Fail;
sqlite3UserAuthCheckLogin(db, "main", &authLevel);
db->auth.authLevel = authLevel;
if( authLevel<UAUTH_Admin ) db->flags &= ~SQLITE_WriteSchema;
}
}
/*
** Implementation of the sqlite_crypt(X,Y) function.
**
** If Y is NULL then generate a new hash for password X and return that
** hash. If Y is not null, then generate a hash for password X using the
** same salt as the previous hash Y and return the new hash.
................................................................................
const char *zUsername, /* Username to be added */
const char *aPW, /* Password or credentials */
int nPW, /* Number of bytes in aPW[] */
int isAdmin /* True to give new user admin privilege */
){
sqlite3_stmt *pStmt;
int rc;
sqlite3UserAuthInit(db);
if( db->auth.authLevel<UAUTH_Admin ) return SQLITE_AUTH;
if( !userTableExists(db, "main") ){
if( !isAdmin ) return SQLITE_AUTH;
pStmt = sqlite3UserAuthPrepare(db,
"CREATE TABLE sqlite_user(\n"
" uname TEXT PRIMARY KEY,\n"
" isAdmin BOOLEAN,\n"
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Changes to src/build.c.
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|| sqlite3VdbeAssertMayAbort(v, pParse->mayAbort));
if( v ){
while( sqlite3VdbeDeletePriorOpcode(v, OP_Close) ){}
sqlite3VdbeAddOp0(v, OP_Halt);
#if SQLITE_USER_AUTHENTICATION
if( pParse->nTableLock>0 && db->init.busy==0 ){
if( db->auth.authLevel<UAUTH_User ){
if( db->auth.authLevel==UAUTH_Unknown ){
u8 authLevel = UAUTH_Fail;
sqlite3UserAuthCheckLogin(db, "main", &authLevel);
db->auth.authLevel = authLevel;
if( authLevel<UAUTH_Admin ) db->flags &= ~SQLITE_WriteSchema;
}
if( db->auth.authLevel<UAUTH_User ){
pParse->rc = SQLITE_AUTH_USER;
sqlite3ErrorMsg(pParse, "user not authenticated");
return;
}
}
}
#endif
/* The cookie mask contains one bit for each database file open.
** (Bit 0 is for main, bit 1 is for temp, and so forth.) Bits are
** set for each database that is used. Generate code to start a
|
< < < | < < < | | | | < |
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|| sqlite3VdbeAssertMayAbort(v, pParse->mayAbort));
if( v ){
while( sqlite3VdbeDeletePriorOpcode(v, OP_Close) ){}
sqlite3VdbeAddOp0(v, OP_Halt);
#if SQLITE_USER_AUTHENTICATION
if( pParse->nTableLock>0 && db->init.busy==0 ){
sqlite3UserAuthInit(db);
if( db->auth.authLevel<UAUTH_User ){
pParse->rc = SQLITE_AUTH_USER;
sqlite3ErrorMsg(pParse, "user not authenticated");
return;
}
}
#endif
/* The cookie mask contains one bit for each database file open.
** (Bit 0 is for main, bit 1 is for temp, and so forth.) Bits are
** set for each database that is used. Generate code to start a
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Changes to src/shell.c.
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#if SQLITE_USER_AUTHENTICATION
if( c=='u' && strncmp(azArg[0], "user", n)==0 ){
if( nArg<2 ){
fprintf(stderr, "Usage: .user SUBCOMMAND ...\n");
rc = 1;
goto meta_command_exit;
}
if( strcmp(azArg[1],"login")==0 ){
if( nArg!=4 ){
fprintf(stderr, "Usage: .user login USER PASSWORD\n");
rc = 1;
goto meta_command_exit;
}
rc = sqlite3_user_authenticate(p->db, azArg[2], azArg[3],
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> |
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#if SQLITE_USER_AUTHENTICATION
if( c=='u' && strncmp(azArg[0], "user", n)==0 ){
if( nArg<2 ){
fprintf(stderr, "Usage: .user SUBCOMMAND ...\n");
rc = 1;
goto meta_command_exit;
}
open_db(p, 0);
if( strcmp(azArg[1],"login")==0 ){
if( nArg!=4 ){
fprintf(stderr, "Usage: .user login USER PASSWORD\n");
rc = 1;
goto meta_command_exit;
}
rc = sqlite3_user_authenticate(p->db, azArg[2], azArg[3],
|
Changes to src/sqliteInt.h.
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#define UAUTH_Fail 1 /* User authentication failed */ #define UAUTH_User 2 /* Authenticated as a normal user */ #define UAUTH_Admin 3 /* Authenticated as an administrator */ /* Functions used only by user authorization logic */ int sqlite3UserAuthTable(const char*); int sqlite3UserAuthCheckLogin(sqlite3*,const char*,u8*); void sqlite3CryptFunc(sqlite3_context*,int,sqlite3_value**); #endif /* SQLITE_USER_AUTHENTICATION */ /* ** typedef for the authorization callback function. */ |
> |
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#define UAUTH_Fail 1 /* User authentication failed */
#define UAUTH_User 2 /* Authenticated as a normal user */
#define UAUTH_Admin 3 /* Authenticated as an administrator */
/* Functions used only by user authorization logic */
int sqlite3UserAuthTable(const char*);
int sqlite3UserAuthCheckLogin(sqlite3*,const char*,u8*);
void sqlite3UserAuthInit(sqlite3*);
void sqlite3CryptFunc(sqlite3_context*,int,sqlite3_value**);
#endif /* SQLITE_USER_AUTHENTICATION */
/*
** typedef for the authorization callback function.
*/
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Changes to test/userauth01.test.
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# database that is an authentication-required database is checked using
# the same username and password as supplied to the main database. If that
# check fails, then the ATTACH command fails with an SQLITE_AUTH error.
#
do_test userauth01-1.60 {
forcedelete test3.db
sqlite3 db3 test3.db
db3 eval {
CREATE TABLE t3(a,b,c); INSERT INTO t3 VALUES(1,2,3);
SELECT * FROM t3;
}
} {1 2 3}
do_test userauth01-1.61 {
sqlite3_user_add db3 alice xyzzy-alice 1
} {SQLITE_OK}
do_test userauth01-1.62 {
db eval {
ATTACH 'test3.db' AS aux;
SELECT * FROM t1, t3 ORDER BY x LIMIT 1;
DETACH aux;
}
} {{} 1 2 3}
................................................................................
} {1 {unable to open database: test3.db}}
do_test userauth01-1.64 {
sqlite3_extended_errcode db
} {SQLITE_AUTH}
do_test userauth01-1.65 {
db eval {PRAGMA database_list}
} {~/test3.db/}
finish_test
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# database that is an authentication-required database is checked using
# the same username and password as supplied to the main database. If that
# check fails, then the ATTACH command fails with an SQLITE_AUTH error.
#
do_test userauth01-1.60 {
forcedelete test3.db
sqlite3 db3 test3.db
sqlite3_user_add db3 alice xyzzy-alice 1
} {SQLITE_OK}
do_test userauth01-1.61 {
db3 eval {
CREATE TABLE t3(a,b,c); INSERT INTO t3 VALUES(1,2,3);
SELECT * FROM t3;
}
} {1 2 3}
do_test userauth01-1.62 {
db eval {
ATTACH 'test3.db' AS aux;
SELECT * FROM t1, t3 ORDER BY x LIMIT 1;
DETACH aux;
}
} {{} 1 2 3}
................................................................................
} {1 {unable to open database: test3.db}}
do_test userauth01-1.64 {
sqlite3_extended_errcode db
} {SQLITE_AUTH}
do_test userauth01-1.65 {
db eval {PRAGMA database_list}
} {~/test3.db/}
# The sqlite3_set_authorizer() callback is modified to take a 7th parameter
# which is the username of the currently logged in user, or NULL for a
# no-authentication-required database.
#
proc auth {args} {
lappend ::authargs $args
return SQLITE_OK
}
do_test authuser01-2.1 {
unset -nocomplain ::authargs
db auth auth
db eval {SELECT x FROM t1}
set ::authargs
} {/SQLITE_SELECT {} {} {} {} alice/}
finish_test
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