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libpq can now talk to either 3.0 or 2.0 protocol servers. It first tries

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protocol 3, then falls back to 2 if postmaster rejects the startup packet
with an old-format error message.  A side benefit of the rewrite is that
SSL-encrypted connections can now be made without blocking.  (I think,
anyway, but do not have a good way to test.)
This commit is contained in:
Tom Lane
2003-06-08 17:43:00 +00:00
parent 152ce7a490
commit 6bdb7aa4db
13 changed files with 3334 additions and 1554 deletions
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8
src/interfaces/libpq/fe-auth.c
View File

@ -10,7 +10,7 @@
* exceed INITIAL_EXPBUFFER_SIZE (currently 256 bytes).
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-auth.c,v 1.78 2003/05/16 04:58:03 tgl Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-auth.c,v 1.79 2003/06/08 17:43:00 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -559,7 +559,11 @@ pg_password_sendauth(PGconn *conn, const char *password, AuthRequest areq)
default:
return STATUS_ERROR;
}
ret = pqPacketSend(conn, 'p', crypt_pwd, strlen(crypt_pwd) + 1);
/* Packet has a message type as of protocol 3.0 */
if (PG_PROTOCOL_MAJOR(conn->pversion) >= 3)
ret = pqPacketSend(conn, 'p', crypt_pwd, strlen(crypt_pwd) + 1);
else
ret = pqPacketSend(conn, 0, crypt_pwd, strlen(crypt_pwd) + 1);
if (areq == AUTH_REQ_MD5)
free(crypt_pwd);
return ret;