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Commit141b898

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More carefully validate xlog location string inputs
Now that we have validate_xlog_location, call it from the previouslyexisting functions taking xlog locatoins as a string input.Suggested by Fujii Masao
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‎src/backend/access/transam/xlogfuncs.c

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@@ -30,6 +30,10 @@
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#include"utils/guc.h"
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#include"utils/timestamp.h"
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staticvoidvalidate_xlog_location(char*str);
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/*
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* pg_start_backup: set up for taking an on-line backup dump
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*
@@ -289,6 +293,8 @@ pg_xlogfile_name_offset(PG_FUNCTION_ARGS)
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*/
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locationstr=text_to_cstring(location);
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validate_xlog_location(locationstr);
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if (sscanf(locationstr,"%X/%X",&uxlogid,&uxrecoff)!=2)
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
@@ -361,6 +367,8 @@ pg_xlogfile_name(PG_FUNCTION_ARGS)
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locationstr=text_to_cstring(location);
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validate_xlog_location(locationstr);
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if (sscanf(locationstr,"%X/%X",&uxlogid,&uxrecoff)!=2)
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_PARAMETER_VALUE),

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