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97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/*
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** 2014-09-08
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**
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** The author disclaims copyright to this source code. In place of
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** a legal notice, here is a blessing:
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**
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** May you do good and not evil.
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** May you find forgiveness for yourself and forgive others.
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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**
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** This file contains the application interface definitions for the
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** user-authentication extension feature.
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**
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** To compile with the user-authentication feature, append this file to
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** end of an SQLite amalgamation header file ("sqlite3.h"), then add
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** the SQLITE_USER_AUTHENTICATION compile-time option. See the
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** user-auth.txt file in the same source directory as this file for
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** additional information.
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*/
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#ifdef SQLITE_USER_AUTHENTICATION
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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** If a database contains the SQLITE_USER table, then the
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** sqlite3_user_authenticate() interface must be invoked with an
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** appropriate username and password prior to enable read and write
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** access to the database.
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**
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** Return SQLITE_OK on success or SQLITE_ERROR if the username/password
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** combination is incorrect or unknown.
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**
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** If the SQLITE_USER table is not present in the database file, then
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** this interface is a harmless no-op returnning SQLITE_OK.
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*/
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int sqlite3_user_authenticate(
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sqlite3 *db, /* The database connection */
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const char *zUsername, /* Username */
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const char *aPW, /* Password or credentials */
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int nPW /* Number of bytes in aPW[] */
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);
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/*
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** The sqlite3_user_add() interface can be used (by an admin user only)
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** to create a new user. When called on a no-authentication-required
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** database, this routine converts the database into an authentication-
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** required database, automatically makes the added user an
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** administrator, and logs in the current connection as that user.
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** The sqlite3_user_add() interface only works for the "main" database, not
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** for any ATTACH-ed databases. Any call to sqlite3_user_add() by a
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** non-admin user results in an error.
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*/
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int sqlite3_user_add(
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sqlite3 *db, /* Database connection */
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const char *zUsername, /* Username to be added */
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const char *aPW, /* Password or credentials */
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int nPW, /* Number of bytes in aPW[] */
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int isAdmin /* True to give new user admin privilege */
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);
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/*
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** The sqlite3_user_change() interface can be used to change a users
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** login credentials or admin privilege. Any user can change their own
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** login credentials. Only an admin user can change another users login
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** credentials or admin privilege setting. No user may change their own
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** admin privilege setting.
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*/
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int sqlite3_user_change(
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sqlite3 *db, /* Database connection */
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const char *zUsername, /* Username to change */
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const char *aPW, /* New password or credentials */
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int nPW, /* Number of bytes in aPW[] */
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int isAdmin /* Modified admin privilege for the user */
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);
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/*
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** The sqlite3_user_delete() interface can be used (by an admin user only)
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** to delete a user. The currently logged-in user cannot be deleted,
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** which guarantees that there is always an admin user and hence that
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** the database cannot be converted into a no-authentication-required
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** database.
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*/
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int sqlite3_user_delete(
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sqlite3 *db, /* Database connection */
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const char *zUsername /* Username to remove */
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);
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#ifdef __cplusplus
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} /* end of the 'extern "C"' block */
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#endif
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#endif /* SQLITE_USER_AUTHENTICATION */
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