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From: Dan McGuirk <mcguirk@indirect.com>

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Subject: [HACKERS] password authentication

This patch adds support for plaintext password authentication.  To use
it, you add a line like

host         all         0.0.0.0       0.0.0.0           password  pg_pwd.conf


to your pg_hba.conf, where 'pg_pwd.conf' is the name of a file containing
the usernames and password hashes in the format of the first two fields
of a Unix /etc/passwd file.  (Of course, you can use a specific database
name or IP instead.)

Then, to connect with a password through libpq, you use the PQconnectdb()
function, specifying the "password=" tag in the connect string and also
adding the tag "authtype=password".

I also added a command-line switch '-u' to psql that tells it to prompt
for a username and password and use password authentication.
This commit is contained in:
Marc G. Fournier
1997-03-12 21:23:16 +00:00
parent 5dde558ce6
commit 3a7c93e7f3
13 changed files with 345 additions and 85 deletions
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11
src/include/libpq/pqcomm.h
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@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: pqcomm.h,v 1.7 1997/02/11 15:37:18 momjian Exp $
* $Id: pqcomm.h,v 1.8 1997/03/12 21:22:19 scrappy Exp $
*
* NOTES
* Some of this should move to libpq.h
@ -52,10 +52,15 @@ typedef enum _MsgType {
STARTUP_KRB4_MSG=10, /* krb4 session follows startup packet */
STARTUP_KRB5_MSG=11, /* krb5 session follows startup packet */
STARTUP_HBA_MSG=12, /* use host-based authentication */
STARTUP_UNAUTH_MSG=13 /* use unauthenticated connection */
STARTUP_UNAUTH_MSG=13, /* use unauthenticated connection */
STARTUP_PASSWORD_MSG=14 /* use plaintext password authentication */
/* insert new values here -- DO NOT REORDER OR DELETE ENTRIES */
/* also change LAST_AUTHENTICATION_TYPE below and add to the */
/* authentication_type_name[] array in pqcomm.c */
} MsgType;
#define LAST_AUTHENTICATION_TYPE 14
typedef char *Addr;
typedef int PacketLen; /* packet length */
@ -126,6 +131,6 @@ extern int PacketSend(Port *port, PacketBuf *buf,
PacketLen len, char nonBlocking);
/* extern PacketBuf* StartupInfo2PacketBuf(StartupInfo*); */
/* extern StartupInfo* PacketBuf2StartupInfo(PacketBuf*); */
extern char *name_of_authentication_type(int type);
#endif /* PQCOMM_H */