mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-13 14:31:59 +02:00
62edfa5584
This avoid a warning during compliaztion and a crash when compiled with -gt* option. git-svn-id: trunk@48228 -
363 lines
12 KiB
ObjectPascal
363 lines
12 KiB
ObjectPascal
program fp37060;
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{$mode objfpc}{$H+}
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uses sockets, Classes, SysUtils;
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procedure BuildBadAddrs4(var bad_addrs: TStringList);
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begin
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bad_addrs.Add('1.1.1.1.1'); // too many octets
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bad_addrs.Add('0xa.3.4.5'); //hex in octets
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bad_addrs.Add('9.$c.4.5'); //hex in octets
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bad_addrs.Add('12.$2.1.1.1'); //hex in octets
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bad_addrs.Add('000001.2.3.4'); // too many digits in octet
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bad_addrs.Add('1.000002.3.4'); // ditto second octet
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bad_addrs.Add('1.2.000003.4'); // ditto third octet
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bad_addrs.Add('1.2.3.000004'); // ditto fourth octet
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bad_addrs.Add('1.2.3.+4'); // math sign in octet
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bad_addrs.Add('1.2.-3.4'); // math sign in octet
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bad_addrs.Add('1.+2.3.4'); // math sign in octet
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bad_addrs.Add('-1.2.3.4'); // math sign in octet
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bad_addrs.Add('192.168.1'); // too few octets
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bad_addrs.Add('192.168'); // fewer still
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bad_addrs.Add('192'); // just one octet
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bad_addrs.Add('172.16.231.25.'); // ends with dot
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bad_addrs.Add('.172.16.231.25'); // starts with dot
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bad_addrs.Add('10...'); // dots but no digits
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bad_addrs.Add('310.259.1.1'); // overflow in octet 1
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bad_addrs.Add('10.259.1.1'); // ditto octet 2
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bad_addrs.Add('10.25.300.1'); // ditto octet 3
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bad_addrs.Add('10.25.30.301'); //ditto octet 4
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bad_addrs.Add('%1111.%11001110.30.4'); // binary
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bad_addrs.Add('&7.&5.30.4'); // octal
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end;
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procedure BuildGoodAddrs4(var good_addrs: TStringList);
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begin
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good_addrs.Add('127.0.0.1|127.0.0.1');
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good_addrs.Add('0.0.0.0|0.0.0.0');
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good_addrs.Add('172.16.31.241|172.16.31.241');
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good_addrs.Add('255.255.255.255|255.255.255.255');
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end;
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procedure BuildBadAddrs6(var bad_addrs: TStringList);
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begin
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// start with some obviously bad formats.
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bad_addrs.Add('');
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bad_addrs.Add(':');
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bad_addrs.Add(':::');
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bad_addrs.Add('::.');
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bad_addrs.Add('::::');
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bad_addrs.Add('fe80:');
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bad_addrs.Add('x:');
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bad_addrs.Add('.');
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bad_addrs.Add('....');
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// invalid chars in all 8 hextets.
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bad_addrs.Add('fe@0:b46c:c2a1:a202:9*6e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b4%c:c2a1:a202:9*6e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2#1:a202:926e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a2^2:926e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a202:9*6e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9!d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a=20:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:41+2');
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// $ sign in hextets.
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bad_addrs.Add('$fe80:b46c:c2a1:a202:926e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b$46c:c2a1:a202:926e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2a1$:a202:926e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926$e:9d2f:a520:4172');
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// last char is :
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:4172:');
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// first char is :
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bad_addrs.Add(':fe80:b46c:c2a1:a202:926e:9d2f:a520:4172');
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// two sequences of collapsed zeroes. :: is the Highlander
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// sequence. There can be only one.
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bad_addrs.Add('fe80::c2a1:a202::9d2f:a520:4172');
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// 8 hextets plus collapsed zeroes, which means at least 1 hextet
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// of all zeroes, equaling 9 hextets.
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bad_addrs.Add('fe80:b46c:c2a1::a202:926e:9d2f:a520:4172');
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// try the same with the :: at the start.
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bad_addrs.Add('::b46c:c2a1:8fcb:a202:926e:9d2f:a520:4172');
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// and now try the same with the :: at the ned.
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bad_addrs.Add('b46c:a771:8fcb:a202:926e:9d2f:a520:4172::');
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// too many hextets
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:4172:1211');
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// too few hextets
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bad_addrs.Add('fe80:b46c:9d2f:a520:4172:1211');
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// too many digits in each of the 8 hextets
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bad_addrs.Add('fe801:b46c:c2a1:a202:926e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46cb:c2a1:a202:926e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:0c2ad:a202:926e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a2022:926e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e6:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:09d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a5209:4172');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:04172');
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// math signs in hextets. naive parsing of hextets with
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// math signs produces a positive result, but these are not
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// valid.
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bad_addrs.Add('fe80:-b46c:c2a1:a202:926e:9d2f:a520:4172');
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bad_addrs.Add('fe80:b46c:-c2a1:a202:926e:9d2f:a520:4172');
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// Hybrid 6 and 4 addresses.
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// ipv4 octet can't contain hex
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:19F.168.1.2');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.1A8.1.2');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.B.2');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.C');
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// ipv4 octets can't contain math signs
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:-192.168.1.1');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.-168.1.1');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.-1.1');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.-1');
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// invalid hybrid ipv6/ipv4 address, because there are 7
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// hextets before the ipv4. there can be only 6, as the 4
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// octets make up 2 hextets, and there can be no more than 8
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// hextets in total.
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:192.168.1.2');
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// 5 hextets plus 2 hextets (4 octets) = 7. Must be 8.
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bad_addrs.Add('fe80:b46c:926e:9d2f:a520:192.168.1.2');
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// too few octets in ipv4 bit.
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192');
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// 7 hextets plus two octets of ipv4 = 8 hextets, but still must
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// not be parsed as valid because there must be 4 octets.
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:e2fc:192.168');
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// too many ipv4 octets
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.17.32');
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// addr starts with .
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bad_addrs.Add('.fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.17');
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// addr ends with .
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.17.');
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// 6 hextets + 2 hextets (4 octets) plus collapsed zero sequence = 9 hextets.
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bad_addrs.Add('fe80:b46c::c2a1:a202:926e:9d2f:72.16.32.1');
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// repeat with :: at start
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bad_addrs.Add('::fe80:b46c:c2a1:a202:926e:9d2f:72.16.32.1');
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// and at end
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f::72.16.32.1');
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// ipv4 octets > 255
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:351.16.32.1');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:72.123216.32.1');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:72.16.9999999999999999999.1');
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:72.16.32.5e21');
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// dot sequence
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192..168.1.17');
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// start with dot
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:.192.168.1.17');
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// end with dot
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.17.');
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// ipv4 octets followed by hextet
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bad_addrs.Add('fe80:b46c:c2a1:a202:926e:192.168.1.1:a2c1');
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// all zeroes but for mathematical operator.
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bad_addrs.Add('::-');
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// end on colon, but with earlier collapsed section.
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bad_addrs.Add('fe80::a202:926e:a2c1:');
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// too many digits in ipv4 octet
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bad_addrs.Add('21ac:d349:07c4:198e:6fab:df5a:0192.168.1.17');
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bad_addrs.Add('21ac:d349:07c4:198e:6fab:df5a:192.0168.1.17');
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bad_addrs.Add('21ac:d349:07c4:198e:6fab:df5a:192.168.0001.17');
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bad_addrs.Add('21ac:d349:07c4:198e:6fab:df5a:192.0168.1.0017');
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// just ipv4 address
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bad_addrs.Add('127.0.0.2');
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end;
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procedure BuildGoodAddrs6(var addrlist: TStringList);
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begin
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// Each str is two parts, separated by a pipe. The left part is the input
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// address to be parsed, and the right is the expected result of taking the
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// resulting address and converting back to a string. This provides an
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// easy way to verify that the StrToHostAddr6 function parsed the address
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// correctly.
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// The values on the right have been double-checked with libc's inet_pton.
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addrlist.Add('::1|::0001');
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addrlist.Add('::|::');
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addrlist.Add('2001:4860:4000::|2001:4860:4000::');
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addrlist.Add('21ac:d349:07c4:198e:6fab:df5a:192.168.1.17|21AC:D349:07C4:198E:6FAB:DF5A:C0A8:0111');
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addrlist.Add('21ac:d349:07c4:198e:6fab:df5a:0.0.0.0|21AC:D349:07C4:198E:6FAB:DF5A::');
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addrlist.Add('::213.41.35.14|::D529:230E');
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addrlist.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:4172|FE80:B46C:C2A1:A202:926E:9D2F:A520:4172');
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addrlist.Add('a:b:c:d:e:f:0:1|000A:000B:000C:000D:000E:000F::0001');
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addrlist.Add('a:B:c:D:e:f:9:1|000A:000B:000C:000D:000E:000F:0009:0001');
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addrlist.Add('::0.0.0.0|::');
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end;
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function TestAddrs4(al: TStringList): Cardinal;
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var
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bad_addr: String;
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i4: in_addr;
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res: Boolean;
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begin
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Result := 0;
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for bad_addr in al do
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begin
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res := TryStrToHostAddr(bad_addr, i4);
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if res = True then
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begin
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writeln(' [x] '+bad_addr);
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Inc(Result);
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end;
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end;
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end;
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function TestGoodAddrs4(al: TStringList): Cardinal;
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var
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addr,instr,parsed_addr,expected: String;
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i4: in_addr;
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idx: Cardinal;
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res: Boolean;
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begin
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Result := 0;
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for addr in al do
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begin
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idx := Pos('|', addr);
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if idx > 0 then
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begin
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instr := Copy(addr,1,idx-1);
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res := TryStrToHostAddr(instr, i4);
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if res = False then
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begin
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writeln(' [x] '+instr);
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exit;
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end;
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expected := Copy(addr, idx+1, Length(addr)-idx);
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parsed_addr := HostAddrToStr(i4);
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if parsed_addr <> expected then
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writeln(' [X] "'+instr+' -> '+parsed_addr)
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else
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Inc(Result);
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end;
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end;
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end;
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function TestAddrs6(al: TStringList): Cardinal;
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var
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bad_addr: String;
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i6: in6_addr;
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res: Boolean;
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begin
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Result := 0;
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for bad_addr in al do
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begin
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res := TryStrToHostAddr6(bad_addr, i6);
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if res = True then
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begin
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writeln(' [x] '+bad_addr);
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Inc(Result);
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end;
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end;
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end;
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function TestGoodAddrs6(al: TStringList): Cardinal;
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var
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addr,instr,parsed_addr,expected: String;
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i6: in6_addr;
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idx: Cardinal;
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res: Boolean;
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begin
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Result := 0;
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for addr in al do
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begin
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idx := Pos('|', addr);
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if idx > 0 then
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begin
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instr := Copy(addr,1,idx-1);
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res := TryStrToHostAddr6(instr, i6);
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if res = False then
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begin
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writeln(' [x] '+instr);
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exit;
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end;
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expected := Copy(addr, idx+1, Length(addr)-idx);
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parsed_addr := HostAddrToStr6(i6);
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if parsed_addr <> expected then
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writeln(' [X] "'+instr+' -> '+parsed_addr)
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else
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Inc(Result);
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end;
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end;
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end;
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var
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addrlist: TStringList;
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count: Cardinal;
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begin
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ExitCode := 0;
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addrlist := TStringList.Create;
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// IPv4 Tests
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writeln('IPv4');
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BuildBadAddrs4(addrlist);
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count := TestAddrs4(addrlist);
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writeln('Got True result for '+inttostr(count)+' out of '+
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inttostr(addrlist.Count)+' ip4 bad addresses.');
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// if we successfully parsed any bad addresses
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if count > 0 then ExitCode := 1;
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addrlist.Clear;
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BuildGoodAddrs4(addrlist);
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count := TestGoodAddrs4(addrlist);
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writeln('Got True result for '+inttostr(count)+' out of '+
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inttostr(addrlist.Count)+' good ip4 addresses.');
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writeln();
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// if we didn't parse all the good addresses.
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if count < addrlist.Count then
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ExitCode := 1;
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// IPv6 Tests
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writeln('IPv6');
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BuildBadAddrs6(addrlist);
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count := TestAddrs6(addrlist);
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writeln('Got True result for '+inttostr(count)+' out of '+
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inttostr(addrlist.Count)+' ip6 bad addresses.');
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// if we successfully parsed any bad addresses
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if count > 0 then ExitCode := 1;
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addrlist.Clear;
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BuildGoodAddrs6(addrlist);
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count := TestGoodAddrs6(addrlist);
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writeln('Got True result for '+inttostr(count)+' out of '+
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inttostr(addrlist.Count)+' good ip6 addresses.');
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// if we didn't parse all the good addresses.
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if count < addrlist.Count then
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ExitCode := 1;
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addrlist.Free;
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end.
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