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[1999-07-27 17:50 UTC] bfranklin at dct dot com
quoted_printable_decode doesn't properly handle soft line breaks or encoded data that has been padded with whitespace at the end of a line.
Here is a patch to fix this problem:
--- php-3.0.11/functions/quot_print.c.orig Wed Jun 16 06:34:22 1999
+++ php-3.0.11/functions/quot_print.c Tue Jul 27 16:47:45 1999
@@ -94,11 +94,18 @@
+ _php3_hex2int((int)str[i+2]);
i += 3;
}
- else if ( str[i] == 13 )
+ else if ( str[i] == '=' && str[i+1] == 13 )
{
- i++;
+ i+=2;
}
- else
+ else if ( str[i] == 13 && (str[i-1] == 9 || str[i-1] == 32) )
+ {
+ while ( str[j] == 9 || str[j] == 32 )
+ j--;
+ j++;
+ str[j++] = str[i++];
+ }
+ else
{
str[j++] = str[i++];
}
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Last updated: Thu Nov 06 13:00:01 2025 UTC |
quoted_printable_decode doesn't properly handle soft line breaks or encoded data that has been padded with whitespace at the end of a line. The first patch I gave has some major flaws in it. Here is a much improved one: --- functions/quot_print.c.orig Wed Jun 16 06:34:22 1999 +++ functions/quot_print.c Wed Jul 28 19:15:29 1999 @@ -94,11 +94,23 @@ + _php3_hex2int((int)str[i+2]); i += 3; } - else if ( str[i] == 13 ) - { - i++; - } - else + else if ( str[i] == '=' ) + { + if( str[i+1] == 10 || str[i+1] == 13 ) + i+=2; + else if( str[i+1] == 13 && str[i+2] == 10 ) + i+=3; + else + str[j++] = str[i++]; /* prevent infinite loop on invalid input */ + } + else if ( (str[i] == 9 || str[i] == 32) && str[i+1] == 13 ) + { + while ( (str[j] == 9 || str[j] == 32) && j>0 ) + j--; + j++; i++; + str[j++] = str[i++]; + } + else { str[j++] = str[i++]; }quoted_printable_decode doesn't properly handle soft line breaks or encoded data that has been padded with whitespace at the end of a line. The first patch I gave has some major flaws in it. Here is a much improved one: --- functions/quot_print.c.orig Wed Jun 16 06:34:22 1999 +++ functions/quot_print.c Wed Jul 28 19:15:29 1999 @@ -94,11 +94,23 @@ + _php3_hex2int((int)str[i+2]); i += 3; } - else if ( str[i] == 13 ) - { - i++; - } - else + else if ( str[i] == '=' ) + { + if( str[i+1] == 10 || str[i+1] == 13 ) + i+=2; + else if( str[i+1] == 13 && str[i+2] == 10 ) + i+=3; + else + str[j++] = str[i++]; /* prevent infinite loop on invalid input */ + } + else if ( (str[i] == 9 || str[i] == 32) && str[i+1] == 13 ) + { + while ( (str[j] == 9 || str[j] == 32) && j>0 ) + j--; + j++; i++; + str[j++] = str[i++]; + } + else { str[j++] = str[i++]; }