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From: Phil Thompson <phil@river-bank.demon.co.uk>

Browse Source 
I've completed the patch to fix the protocol and authentication issues I
was discussing a couple of weeks ago.  The particular changes are:

- the protocol has a version number
- network byte order is used throughout
- the pg_hba.conf file is used to specify what method is used to
  authenticate a frontend (either password, ident, trust, reject, krb4
  or krb5)
- support for multiplexed backends is removed
- appropriate changes to man pages
- the -a switch to many programs to specify an authentication service
  no longer has any effect
- the libpq.so version number has changed to 1.1

The new backend still supports the old protocol so old interfaces won't
break.
This commit is contained in:
Marc G. Fournier
1998-01-26 01:42:53 +00:00
parent 91d983aa11
commit d5bbe2aca5
41 changed files with 1611 additions and 2288 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
src/interfaces/libpq/fe-misc.c
View File

@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-misc.c,v 1.8 1997/09/08 21:55:44 momjian Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-misc.c,v 1.9 1998/01/26 01:42:36 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
@ -51,38 +51,28 @@ pqGetc(FILE *fin, FILE *debug)
int
pqPutnchar(const char *s, int len, FILE *f, FILE *debug)
{
if (f == NULL)
return 1;
if (debug)
fprintf(debug, "To backend> %s\n", s);
if (fwrite(s, 1, len, f) != len)
return 1;
return 0;
return (pqPutNBytes(s, len, f) == EOF ? 1 : 0);
}
/* --------------------------------------------------------------------- */
/* pqGetnchar:
get a string of exactly len length from stream f
get a string of exactly len bytes in buffer s (which must be 1 byte
longer) from stream f and terminate it with a '\0'.
*/
int
pqGetnchar(char *s, int len, FILE *f, FILE *debug)
{
int cnt;
int status;
if (f == NULL)
return 1;
cnt = fread(s, 1, len, f);
s[cnt] = '\0';
/* mjl: actually needs up to len+1 bytes, is this okay? XXX */
status = pqGetNBytes(s, len, f);
if (debug)
fprintf(debug, "From backend (%d)> %s\n", len, s);
return 0;
return (status == EOF ? 1 : 0);
}
/* --------------------------------------------------------------------- */
@ -92,21 +82,14 @@ pqGetnchar(char *s, int len, FILE *f, FILE *debug)
int
pqGets(char *s, int len, FILE *f, FILE *debug)
{
int c;
const char *str = s;
int status;
if (f == NULL)
return 1;
while (len-- && (c = getc(f)) != EOF && c)
*s++ = c;
*s = '\0';
/* mjl: actually needs up to len+1 bytes, is this okay? XXX */
status = pqGetString(s, len, f);
if (debug)
fprintf(debug, "From backend> \"%s\"\n", str);
fprintf(debug, "From backend> \"%s\"\n", s);
return 0;
return (status == EOF ? 1 : 0);
}
/* --------------------------------------------------------------------- */
@ -173,20 +156,13 @@ pqGetInt(int *result, int bytes, FILE *f, FILE *debug)
int
pqPuts(const char *s, FILE *f, FILE *debug)
{
if (f == NULL)
if (pqPutString(s, f) == EOF)
return 1;
if (fputs(s, f) == EOF)
return 1;
fputc('\0', f); /* important to send an ending \0 since
* backend expects it */
fflush(f);
if (debug)
{
fprintf(debug, "To backend> %s\n", s);
}
return 0;
}