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Buffer bump #1446

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merged 2 commits into from
Apr 27, 2023
Merged

Buffer bump #1446

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12e3a48
In func (zl *zlexer) Next() (lex, bool)
systemcrash Mar 29, 2023
79e64f1
Test case for OPENPGPKEY (valid, test pgp public keys)
systemcrash Mar 29, 2023
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18 changes: 16 additions & 2 deletions parse_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1365,8 +1365,8 @@ func TestPrintfVerbsRdata(t *testing.T) {

func TestParseTokenOverflow(t *testing.T) {
_, err := NewRR("_443._tcp.example.org. IN TLSA 0 0 0 308205e8308204d0a00302010202100411de8f53b462f6a5a861b712ec6b59300d06092a864886f70d01010b05003070310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312f302d06035504031326446967694365727420534841322048696768204173737572616e636520536572766572204341301e170d3134313130363030303030305a170d3135313131333132303030305a3081a5310b3009060355040613025553311330110603550408130a43616c69666f726e6961311430120603550407130b4c6f7320416e67656c6573313c303a060355040a1333496e7465726e657420436f72706f726174696f6e20666f722041737369676e6564204e616d657320616e64204e756d6265727331133011060355040b130a546563686e6f6c6f6779311830160603550403130f7777772e6578616d706c652e6f726730820122300d06092a864886f70d01010105000382010f003082010a02820101009e663f52a3d18cb67cdfed547408a4e47e4036538988da2798da3b6655f7240d693ed1cb3fe6d6ad3a9e657ff6efa86b83b0cad24e5d31ff2bf70ec3b78b213f1b4bf61bdc669cbbc07d67154128ca92a9b3cbb4213a836fb823ddd4d7cc04918314d25f06086fa9970ba17e357cca9b458c27eb71760ab95e3f9bc898ae89050ae4d09ba2f7e4259d9ff1e072a6971b18355a8b9e53670c3d5dbdbd283f93a764e71b3a4140ca0746090c08510e2e21078d7d07844bf9c03865b531a0bf2ee766bc401f6451c5a1e6f6fb5d5c1d6a97a0abe91ae8b02e89241e07353909ccd5b41c46de207c06801e08f20713603827f2ae3e68cf15ef881d7e0608f70742e30203010001a382024630820242301f0603551d230418301680145168ff90af0207753cccd9656462a212b859723b301d0603551d0e04160414b000a7f422e9b1ce216117c4c46e7164c8e60c553081810603551d11047a3078820f7777772e6578616d706c652e6f7267820b6578616d706c652e636f6d820b6578616d706c652e656475820b6578616d706c652e6e6574820b6578616d706c652e6f7267820f7777772e6578616d706c652e636f6d820f7777772e6578616d706c652e656475820f7777772e6578616d706c652e6e6574300e0603551d0f0101ff0404030205a0301d0603551d250416301406082b0601050507030106082b0601050507030230750603551d1f046e306c3034a032a030862e687474703a2f2f63726c332e64696769636572742e636f6d2f736861322d68612d7365727665722d67332e63726c3034a032a030862e687474703a2f2f63726c342e64696769636572742e636f6d2f736861322d68612d7365727665722d67332e63726c30420603551d20043b3039303706096086480186fd6c0101302a302806082b06010505070201161c68747470733a2f2f7777772e64696769636572742e636f6d2f43505330818306082b0601050507010104773075302406082b060105050730018618687474703a2f2f6f6373702e64696769636572742e636f6d304d06082b060105050730028641687474703a2f2f636163657274732e64696769636572742e636f6d2f446967694365727453484132486967684173737572616e636553657276657243412e637274300c0603551d130101ff04023000300d06092a864886f70d01010b050003820101005eac2124dedb3978a86ff3608406acb542d3cb54cb83facd63aec88144d6a1bf15dbf1f215c4a73e241e582365cba9ea50dd306541653b3513af1a0756c1b2720e8d112b34fb67181efad9c4609bdc670fb025fa6e6d42188161b026cf3089a08369c2f3609fc84bcc3479140c1922ede430ca8dbac2b2a3cdacb305ba15dc7361c4c3a5e6daa99cb446cb221b28078a7a944efba70d96f31ac143d959bccd2fd50e30c325ea2624fb6b6dbe9344dbcf133bfbd5b4e892d635dbf31596451672c6b65ba5ac9b3cddea92b35dab1065cae3c8cb6bb450a62ea2f72ea7c6bdc7b65fa09b012392543734083c7687d243f8d0375304d99ccd2e148966a8637a6797")
if err == nil {
t.Fatalf("token overflow should return an error")
if err != nil {
t.Fatalf("long token should not return an error")
}
}

Expand Down Expand Up @@ -1961,3 +1961,17 @@ func TestParseAMTRELAY(t *testing.T) {
}
}
}

func TestParseOPENPGPKEY(t *testing.T) {
dt := map[string]string{
"2bd806c97f0e00af1a1fc3328fa763a9269723c8db8fac4f93af71db._openpgpkey 3600 IN OPENPGPKEY mDMEZCMu8xYJKwYBBAHaRw8BAQdAH4FTbN/H5SoMBl9Ez2cFQ1NuzymK894fq2ffsYDvRkG0EWFsaWNlQGV4YW1wbGUuY29tiJYEExYKAD4CGwMFCwkIBwMFFQoJCAsFFgIDAQACHgECF4AWIQRjw8oAQytQxDz5Q/Io7xpohfeBngUCZCMv5gUJAAk7ZgAKCRAo7xpohfeBnlmVAP9k0slIpLwddCD1bZ9qVjqzNcS743OIDny7XuH6x02L2wEAwxqAotO7/oUm0L4wyYR6hvGlhuGMSZXc9xMwZ1wVcA8=": "2bd806c97f0e00af1a1fc3328fa763a9269723c8db8fac4f93af71db._openpgpkey.\t3600\tIN\tOPENPGPKEY\tmDMEZCMu8xYJKwYBBAHaRw8BAQdAH4FTbN/H5SoMBl9Ez2cFQ1NuzymK894fq2ffsYDvRkG0EWFsaWNlQGV4YW1wbGUuY29tiJYEExYKAD4CGwMFCwkIBwMFFQoJCAsFFgIDAQACHgECF4AWIQRjw8oAQytQxDz5Q/Io7xpohfeBngUCZCMv5gUJAAk7ZgAKCRAo7xpohfeBnlmVAP9k0slIpLwddCD1bZ9qVjqzNcS743OIDny7XuH6x02L2wEAwxqAotO7/oUm0L4wyYR6hvGlhuGMSZXc9xMwZ1wVcA8=",
"2bb5bc4202aaecd48dcb54967c8e7f1b7574a436f04e0d15534b20e5._openpgpkey 3600 IN OPENPGPKEY mDMEZCMxgRYJKwYBBAHaRw8BAQdA/fgtlQjGflt2MUMWhRZRnH5Hg+BY9sQTeePmqqUs+lK0Fem6u+iho+WtkEBleGFtcGxlLmNvbYiWBBMWCgA+AhsDBQsJCAcDBRUKCQgLBRYCAwEAAh4BAheAFiEEIWsEkWx5wygGCb61+tJ3q3m88E0FAmQjMbMFCQAJOqwACgkQ+tJ3q3m88E0z4gEAtowKJMPefyV5YCW8VubgXK7Fa+hjwXOPSsHnEnJw9pUBAL+VZvNZv/VZvyGGMd31Yivqerzl6q+VIkZ6XffVb2AB": "2bb5bc4202aaecd48dcb54967c8e7f1b7574a436f04e0d15534b20e5._openpgpkey.\t3600\tIN\tOPENPGPKEY\tmDMEZCMxgRYJKwYBBAHaRw8BAQdA/fgtlQjGflt2MUMWhRZRnH5Hg+BY9sQTeePmqqUs+lK0Fem6u+iho+WtkEBleGFtcGxlLmNvbYiWBBMWCgA+AhsDBQsJCAcDBRUKCQgLBRYCAwEAAh4BAheAFiEEIWsEkWx5wygGCb61+tJ3q3m88E0FAmQjMbMFCQAJOqwACgkQ+tJ3q3m88E0z4gEAtowKJMPefyV5YCW8VubgXK7Fa+hjwXOPSsHnEnJw9pUBAL+VZvNZv/VZvyGGMd31Yivqerzl6q+VIkZ6XffVb2AB",
"2bb5bc4202aaecd48dcb54967c8e7f1b7574a436f04e0d15534b20e5._openpgpkey 3600 IN OPENPGPKEY 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": "2bb5bc4202aaecd48dcb54967c8e7f1b7574a436f04e0d15534b20e5._openpgpkey.\t3600\tIN\tOPENPGPKEY\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",
}
for i, o := range dt {
rr := testRR(i).(*OPENPGPKEY)
if s := rr.String(); s != o {
t.Errorf("input %#v does not match expected output %#v", s, o)
}
}
}
20 changes: 9 additions & 11 deletions scan.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,13 +10,13 @@ import (
"strings"
)

const maxTok = 2048 // Largest token we can return.
const maxTok = 512 // Token buffer start size, and growth size amount.

// The maximum depth of $INCLUDE directives supported by the
// ZoneParser API.
const maxIncludeDepth = 7

// Tokinize a RFC 1035 zone file. The tokenizer will normalize it:
// Tokenize a RFC 1035 zone file. The tokenizer will normalize it:
// * Add ownernames if they are left blank;
// * Suppress sequences of spaces;
// * Make each RR fit on one line (_NEWLINE is send as last)
Expand Down Expand Up @@ -765,8 +765,8 @@ func (zl *zlexer) Next() (lex, bool) {
}

var (
str [maxTok]byte // Hold string text
com [maxTok]byte // Hold comment text
str = make([]byte, maxTok) // Hold string text
com = make([]byte, maxTok) // Hold comment text

stri int // Offset in str (0 means empty)
comi int // Offset in com (0 means empty)
Expand All @@ -785,14 +785,12 @@ func (zl *zlexer) Next() (lex, bool) {
l.line, l.column = zl.line, zl.column

if stri >= len(str) {
l.token = "token length insufficient for parsing"
l.err = true
return *l, true
// if buffer length is insufficient, increase it.
str = append(str[:], make([]byte, maxTok)...)
}
if comi >= len(com) {
l.token = "comment length insufficient for parsing"
l.err = true
return *l, true
// if buffer length is insufficient, increase it.
com = append(com[:], make([]byte, maxTok)...)
}

switch x {
Expand All @@ -816,7 +814,7 @@ func (zl *zlexer) Next() (lex, bool) {
if stri == 0 {
// Space directly in the beginning, handled in the grammar
} else if zl.owner {
// If we have a string and its the first, make it an owner
// If we have a string and it's the first, make it an owner
l.value = zOwner
l.token = string(str[:stri])

Expand Down