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More carefully validate xlog location string inputs 

Now that we have validate_xlog_location, call it from the previously
existing functions taking xlog locatoins as a string input.

Suggested by Fujii Masao
This commit is contained in:
Magnus Hagander 2012-03-04 12:24:09 +01:00
parent bc5ac36865
commit 141b89826d
1 changed files with 8 additions and 0 deletions
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8
src/backend/access/transam/xlogfuncs.c
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@ -30,6 +30,10 @@
#include "utils/guc.h"
#include "utils/timestamp.h"
static void validate_xlog_location(char *str);
/*
* pg_start_backup: set up for taking an on-line backup dump
*
@ -289,6 +293,8 @@ pg_xlogfile_name_offset(PG_FUNCTION_ARGS)
*/
locationstr = text_to_cstring(location);
validate_xlog_location(locationstr);
if (sscanf(locationstr, "%X/%X", &uxlogid, &uxrecoff) != 2)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
@ -361,6 +367,8 @@ pg_xlogfile_name(PG_FUNCTION_ARGS)
locationstr = text_to_cstring(location);
validate_xlog_location(locationstr);
if (sscanf(locationstr, "%X/%X", &uxlogid, &uxrecoff) != 2)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),