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First phase of FE/BE protocol modifications: new StartupPacket layout

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with variable-width fields.  No more truncation of long user names.
Also, libpq can now send its environment-variable-driven SET commands
as part of the startup packet, saving round trips to server.
This commit is contained in:
Tom Lane
2003-04-17 22:26:02 +00:00
parent 76fd678c06
commit cb7fb3ca95
16 changed files with 436 additions and 300 deletions
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16
src/backend/libpq/crypt.c
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@ -9,7 +9,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/libpq/crypt.c,v 1.51 2002/12/05 18:52:42 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/libpq/crypt.c,v 1.52 2003/04/17 22:26:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -87,15 +87,19 @@ md5_crypt_verify(const Port *port, const char *user, char *client_pass)
/* pg_shadow plain, double-encrypt */
char *crypt_pwd2 = palloc(MD5_PASSWD_LEN + 1);
if (!EncryptMD5(shadow_pass, port->user, strlen(port->user),
if (!EncryptMD5(shadow_pass,
port->user_name,
strlen(port->user_name),
crypt_pwd2))
{
pfree(crypt_pwd);
pfree(crypt_pwd2);
return STATUS_ERROR;
}
if (!EncryptMD5(crypt_pwd2 + strlen("md5"), port->md5Salt,
sizeof(port->md5Salt), crypt_pwd))
if (!EncryptMD5(crypt_pwd2 + strlen("md5"),
port->md5Salt,
sizeof(port->md5Salt),
crypt_pwd))
{
pfree(crypt_pwd);
pfree(crypt_pwd2);
@ -117,7 +121,9 @@ md5_crypt_verify(const Port *port, const char *user, char *client_pass)
{
/* Encrypt user-supplied password to match MD5 in pg_shadow */
crypt_client_pass = palloc(MD5_PASSWD_LEN + 1);
if (!EncryptMD5(client_pass, port->user, strlen(port->user),
if (!EncryptMD5(client_pass,
port->user_name,
strlen(port->user_name),
crypt_client_pass))
{
pfree(crypt_client_pass);