Upgraded code to use the current version 1 calling conventions.

This commit is contained in:
D'Arcy J.M. Cain 2001-05-28 15:34:27 +00:00
parent 2ba48262b9
commit 505d9037cd
1 changed files with 54 additions and 39 deletions

View File

@ -4,7 +4,7 @@
* darcy@druid.net
* http://www.druid.net/darcy/
*
* $Header: /cvsroot/pgsql/contrib/chkpass/chkpass.c,v 1.2 2001/05/27 19:06:20 darcy Exp $
* $Id: chkpass.c,v 1.3 2001/05/28 15:34:27 darcy Exp $
* best viewed with tabs set to 4
*/
@ -14,7 +14,7 @@
#include <unistd.h>
#include <postgres.h>
#include <utils/palloc.h>
#include <fmgr.h>
/*
* This type encrypts it's input unless the first character is a colon.
@ -38,13 +38,14 @@ typedef struct chkpass
* Various forward declarations:
*/
chkpass *chkpass_in(char *str);
char *chkpass_out(chkpass * addr);
text *chkpass_rout(chkpass * addr);
Datum chkpass_in(PG_FUNCTION_ARGS);
Datum chkpass_out(PG_FUNCTION_ARGS);
Datum chkpass_rout(PG_FUNCTION_ARGS);
/* Only equal or not equal make sense */
bool chkpass_eq(chkpass * a1, text * a2);
bool chkpass_ne(chkpass * a1, text * a2);
Datum chkpass_eq(PG_FUNCTION_ARGS);
Datum chkpass_ne(PG_FUNCTION_ARGS);
/* This function checks that the password is a good one
* It's just a placeholder for now */
@ -57,9 +58,11 @@ verify_pass(const char *str)
/*
* CHKPASS reader.
*/
chkpass *
chkpass_in(char *str)
PG_FUNCTION_INFO_V1(chkpass_in)
Datum
chkpass_in(PG_FUNCTION_ARGS)
{
char *str = PG_GETARG_CSTRING(0);
chkpass *result;
char mysalt[4];
static bool random_initialized = false;
@ -72,14 +75,14 @@ chkpass_in(char *str)
result = (chkpass *) palloc(sizeof(chkpass));
strncpy(result->password, str + 1, 13);
result->password[13] = 0;
return (result);
return PointerGetDatum(result);
}
if (verify_pass(str) != 0)
{
elog(ERROR, "chkpass_in: purported CHKPASS \"%s\" is a weak password",
str);
return NULL;
return PointerGetDatum(NULL);
}
result = (chkpass *) palloc(sizeof(chkpass));
@ -95,7 +98,7 @@ chkpass_in(char *str)
mysalt[2] = 0; /* technically the terminator is not
* necessary but I like to play safe */
strcpy(result->password, crypt(str, mysalt));
return (result);
return PointerGetDatum(result);
}
/*
@ -103,13 +106,15 @@ chkpass_in(char *str)
* Just like any string but we know it is max 15 (13 plus colon and terminator.)
*/
char *
chkpass_out(chkpass * password)
PG_FUNCTION_INFO_V1(chkpass_out)
Datum
chkpass_out(PG_FUNCTION_ARGS)
{
chkpass *password = (chkpass *) PG_GETARG_POINTER(0);
char *result;
if (password == NULL)
return (NULL);
return PointerGetDatum(NULL);
if ((result = (char *) palloc(16)) != NULL)
{
@ -117,7 +122,7 @@ chkpass_out(chkpass * password)
strcpy(result + 1, password->password);
}
return (result);
PG_RETURN_CSTRING(result);
}
@ -125,21 +130,23 @@ chkpass_out(chkpass * password)
* special output function that doesn't output the colon
*/
text *
chkpass_rout(chkpass *password)
PG_FUNCTION_INFO_V1(chkpass_rout)
Datum
chkpass_rout(PG_FUNCTION_ARGS)
{
chkpass *password = (chkpass *) PG_GETARG_POINTER(0);
text *result = NULL;
if (password == NULL)
return (NULL);
return PointerGetDatum(NULL);
if ((result = (text *) palloc(VARHDRSZ + 16)) != NULL)
{
result->vl_len = VARHDRSZ + strlen(password->password);
memcpy(result->vl_dat, password->password, strlen(password->pass
memcpy(result->vl_dat, password->password, strlen(password->password));
}
return (result);
PG_RETURN_CSTRING(result);
}
@ -147,29 +154,37 @@ chkpass_rout(chkpass *password)
* Boolean tests
*/
bool
chkpass_eq(chkpass * a1, text *a2)
PG_FUNCTION_INFO_V1(chkpass_eq)
Datum
chkpass_eq(PG_FUNCTION_ARGS)
{
char str[10];
int sz = 8;
chkpass *a1 = (chkpass *) PG_GETARG_POINTER(0);
text *a2 = (text *) PG_GETARG_TEXT_P(1);
char str[10];
int sz = 8;
if (!a1 || !a2)
PG_RETURN_BOOL(0);
if (a2->vl_len < 12) sz = a2->vl_len - 4;
strncpy(str, a2->vl_dat, sz);
str[sz] = 0;
PG_RETURN_BOOL (strcmp(a1->password, crypt(str, a1->password)) == 0);
}
PG_FUNCTION_INFO_V1(chkpass_ne)
Datum
chkpass_ne(PG_FUNCTION_ARGS)
{
chkpass *a1 = (chkpass *) PG_GETARG_POINTER(0);
text *a2 = (text *) PG_GETARG_TEXT_P(1);
char str[10];
int sz = 8;
if (!a1 || !a2) return 0;
if (a2->vl_len < 12) sz = a2->vl_len - 4;
strncpy(str, a2->vl_dat, sz);
str[sz] = 0;
return (strcmp(a1->password, crypt(str, a1->password)) == 0);
}
bool
chkpass_ne(chkpass * a1, text *a2)
{
char str[10];
int sz = 8;
if (!a1 || !a2) return 0;
if (a2->vl_len < 12) sz = a2->vl_len - 4;
strncpy(str, a2->vl_dat, sz);
str[sz] = 0;
return (strcmp(a1->password, crypt(str, a1->password)) != 0);
PG_RETURN_BOOL (strcmp(a1->password, crypt(str, a1->password)) != 0);
}