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2023-08-30encoding/xml: overriding by empty namespace when no new name declarationxuri
The unmarshal and marshal XML text should be consistent if not modified deserialize variable. Fixes #61881 Change-Id: I475f7b05211b618685597d3ff20b97e3bbeaf8f8 GitHub-Last-Rev: 6831c770c384831798cb1c6dc4674e5d4caa5e3c GitHub-Pull-Request: golang/go#58401 Reviewed-on: https://go-review.googlesource.com/c/go/+/466295 Reviewed-by: ri xu <xuri.me@gmail.com> Auto-Submit: Ian Lance Taylor <iant@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Russ Cox <rsc@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-04-20std: fix various nilness findingsAlan Donovan
Found by running $ go run golang.org/x/tools/go/analysis/passes/nilness/cmd/nilness@latest std No actual bugs--other than one panic(nil)--but a few places where error nilness was unclear. Change-Id: Ia916ba30f46f29c1bcf928cc62280169b922463a Reviewed-on: https://go-review.googlesource.com/c/go/+/486675 Reviewed-by: Ian Lance Taylor <iant@google.com> Run-TryBot: Alan Donovan <adonovan@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Auto-Submit: Alan Donovan <adonovan@google.com>
2023-01-31encoding/xml: allow overriding by empty namespaceConstantin Konstantinidis
The namespace defined by xmlns="value" can be overridden in every included tag by the empty namespace xmlns="" without a prefix. Method to calculate indent of XML handles depth of tag and its associated namespace is still active even when no indent is required. An XMLName field in a struct means that namespace must be enforced even if empty. This occurs only on an inner tag as an override of any non-empty namespace of its outer tag. An attribute is added to have the required namespace display. Fixes #7113 Change-Id: I57f2308e98c66f04108ab136d350bdc3a6091e98 Reviewed-on: https://go-review.googlesource.com/c/go/+/108796 TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Michael Knyszek <mknyszek@google.com> Run-TryBot: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com>
2022-11-29Revert "encoding/xml: disallow empty namespace when prefix is set"Ian Lance Taylor
This reverts CL 105636. Reason for revert: Fails with existing XML data. At this stage in the release cycle we should revert, and try again next time with some way to support existing XML. For #8068 Change-Id: Ia84cbf3a84878ac7190f72998545dee22c36c45e Reviewed-on: https://go-review.googlesource.com/c/go/+/453996 Auto-Submit: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Heschi Kreinick <heschi@google.com> Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Run-TryBot: Ian Lance Taylor <iant@golang.org>
2022-11-09encoding/xml: error when more than one colon in qualified namesConstantin Konstantinidis
Add test. Fixes #20396 Change-Id: I89e9013eb338f831e1908e390b284794df78fb6b Reviewed-on: https://go-review.googlesource.com/c/go/+/103875 Auto-Submit: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Ian Lance Taylor <iant@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com>
2022-11-09encoding/xml: disallow empty namespace when prefix is setConstantin Konstantinidis
Non-regression tests are added. Fixes #8068 Change-Id: Icb36c910bbf4955743b7aa8382002b2d9246fadc Reviewed-on: https://go-review.googlesource.com/c/go/+/105636 TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Michael Knyszek <mknyszek@google.com> Run-TryBot: Ian Lance Taylor <iant@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com>
2022-11-09encoding/xml: error when closing tag does not match opening tagConstantin Konstantinidis
Comparing opening and closing tag is done using the prefix when available. Documentation states that Token returns URI in the Space part of the Name. Translation has been moved for the End tag before the namespace is removed from the stack. After closing a tag using a namespace, the valid namespace must be taken from the opening tag. Tests added. Fixes #20685 Change-Id: I4d90b19f7e21a76663f0ea1c1db6c6bf9fd2a389 Reviewed-on: https://go-review.googlesource.com/c/go/+/107255 Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com> Run-TryBot: Ian Lance Taylor <iant@google.com>
2022-11-09encoding/xml: add check of namespaces to detect field names conflictsConstantin Konstantinidis
Test added. Fixes #8535 Change-Id: Ic89c2781e81d963a653180812748b3fc95fb7fae Reviewed-on: https://go-review.googlesource.com/c/go/+/106575 Run-TryBot: Ian Lance Taylor <iant@google.com> Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com>
2022-09-06encoding: use strings.Buildercuiweixie
Change-Id: Ib07699df8ea41fd8d1bca8ad050859fac24623de Reviewed-on: https://go-review.googlesource.com/c/go/+/428258 Reviewed-by: Robert Griesemer <gri@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Ian Lance Taylor <iant@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com>
2022-03-27encoding/xml: expose decoder line and columnPatrick Gundlach
The existing implementation of the xml decoder uses the line number only for reporting syntax errors. The line number of the last read token and the column within the line is useful for the users even in non-error conditions. Fixes #45628 Change-Id: I37b5033ff5ff8411793d8f5180f96aa4537e83f5 Reviewed-on: https://go-review.googlesource.com/c/go/+/311270 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com> Trust: Emmanuel Odeke <emmanuel@orijtech.com>
2022-03-04encoding/xml: improve the test coverage, fix minor bugsIskander Sharipov
Improve the test coverage of encoding/xml package by adding the test cases for the execution paths that were not covered before. Since it reveals a couple of issues, fix them as well while we're at it. As I used an `strings.EqualFold` instead of adding one more `strings.ToLower`, our fix to `autoClose()` tends to run faster as well as a result. name old time/op new time/op delta HTMLAutoClose-8 5.93µs ± 2% 5.75µs ± 3% -3.16% (p=0.000 n=10+10) name old alloc/op new alloc/op delta HTMLAutoClose-8 2.60kB ± 0% 2.58kB ± 0% -0.46% (p=0.000 n=10+10) name old allocs/op new allocs/op delta HTMLAutoClose-8 72.0 ± 0% 67.0 ± 0% -6.94% (p=0.000 n=10+10) The overall `encoding/xml` test coverage increase is `88.1% -> 89.9%`; although it may look insignificant, this CL covers some important corner cases, like `autoClose()` functionality (that was not tested at all). Fixes #49635 Fixes #49636 Change-Id: I50b2769896c197eb285672313b7148f4fe8bdb38 Reviewed-on: https://go-review.googlesource.com/c/go/+/364734 Trust: Bryan Mills <bcmills@google.com> Reviewed-by: Daniel Martí <mvdan@mvdan.cc> Trust: Daniel Martí <mvdan@mvdan.cc> Run-TryBot: Daniel Martí <mvdan@mvdan.cc> TryBot-Result: Gopher Robot <gobot@golang.org>
2021-03-15encoding/xml: replace comments inside directives with a spaceFilippo Valsorda
A Directive (like <!ENTITY xxx []>) can't have other nodes nested inside it (in our data structure representation), so there is no way to preserve comments. The previous behavior was to just elide them, which however might change the semantic meaning of the surrounding markup. Instead, replace them with a space which hopefully has the same semantic effect of the comment. Directives are not actually a node type in the XML spec, which instead specifies each of them separately (<!ENTITY, <!DOCTYPE, etc.), each with its own grammar. The rules for where and when the comments are allowed are not straightforward, and can't be implemented without implementing custom logic for each of the directives. Simply preserving the comments in the body of the directive would be problematic, as there can be unmatched quotes inside the comment. Whether those quotes are considered meaningful semantically or not, other parsers might disagree and interpret the output differently. This issue was reported by Juho Nurminen of Mattermost as it leads to round-trip mismatches. See #43168. It's not being fixed in a security release because round-trip stability is not a currently supported security property of encoding/xml, and we don't believe these fixes would be sufficient to reliably guarantee it in the future. Fixes CVE-2020-29510 Updates #43168 Change-Id: Icd86c75beff3e1e0689543efebdad10ed5178ce3 Reviewed-on: https://go-review.googlesource.com/c/go/+/277893 Run-TryBot: Filippo Valsorda <filippo@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Trust: Filippo Valsorda <filippo@golang.org> Reviewed-by: Katie Hockman <katie@golang.org>
2021-03-15encoding/xml: handle leading, trailing, or double colons in namesFilippo Valsorda
Before this change, <:name> would parse as <name>, which could cause issues in applications that rely on the parse-encode cycle to round-trip. Similarly, <x name:=""> would parse as expected but then have the attribute dropped when serializing because its name was empty. Finally, <a:b:c> would parse and get serialized incorrectly. All these values are invalid XML, but to minimize the impact of this change, we parse them whole into Name.Local. This issue was reported by Juho Nurminen of Mattermost as it leads to round-trip mismatches. See #43168. It's not being fixed in a security release because round-trip stability is not a currently supported security property of encoding/xml, and we don't believe these fixes would be sufficient to reliably guarantee it in the future. Fixes CVE-2020-29509 Fixes CVE-2020-29511 Updates #43168 Change-Id: I68321c4d867305046f664347192948a889af3c7f Reviewed-on: https://go-review.googlesource.com/c/go/+/277892 Run-TryBot: Filippo Valsorda <filippo@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Trust: Filippo Valsorda <filippo@golang.org> Reviewed-by: Katie Hockman <katie@golang.org>
2021-03-13all: use HTML5 br tagsJohn Bampton
In HTML5 br tags don't need a closing slash Change-Id: Ic53c43faee08c5b1267daa9a02cc186b1c255ca1 GitHub-Last-Rev: 652208116944d01b23b8af8f1af485da5e916d32 GitHub-Pull-Request: golang/go#44283 Reviewed-on: https://go-review.googlesource.com/c/go/+/292370 Reviewed-by: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Trust: Emmanuel Odeke <emmanuel@orijtech.com>
2021-03-10encoding/xml: prevent infinite loop while decodingKatie Hockman
This change properly handles a TokenReader which returns an EOF in the middle of an open XML element. Thanks to Sam Whited for reporting this. Fixes CVE-2021-27918 Fixes #44913 Change-Id: Id02a3f3def4a1b415fa2d9a8e3b373eb6cb0f433 Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1004594 Reviewed-by: Russ Cox <rsc@google.com> Reviewed-by: Roland Shoemaker <bracewell@google.com> Reviewed-by: Filippo Valsorda <valsorda@google.com> Reviewed-on: https://go-review.googlesource.com/c/go/+/300391 Trust: Katie Hockman <katie@golang.org> Run-TryBot: Katie Hockman <katie@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Alexander Rakoczy <alex@golang.org> Reviewed-by: Filippo Valsorda <filippo@golang.org>
2019-10-30encoding/xml: fix token decoder on early EOFSam Whited
The documentation for TokenReader suggests that implementations of the interface may return a token and io.EOF together, indicating that it is the last token in the stream. This is similar to io.Reader. However, if you wrap such a TokenReader in a Decoder it complained about the EOF. A test was added to ensure this behavior on Decoder's. Change-Id: I9083c91d9626180d3bcf5c069a017050f3c7c4a8 Reviewed-on: https://go-review.googlesource.com/c/go/+/130556 Run-TryBot: Sam Whited <sam@samwhited.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-09encoding/xml: fix valid character rangeArtyom Pervukhin
Section 2.2 of the referenced spec http://www.xml.com/axml/testaxml.htm defines 0xD7FF as a (sub)range boundary, not 0xDF77. Fixes #25172 Change-Id: Ic5a3328cd46ef6474b8e93c4a343dcfba0e6511f Reviewed-on: https://go-review.googlesource.com/109495 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2017-10-30encoding/xml: don't panic when custom Unmarshaler sees StartElementSam Whited
Change-Id: I90aa0a983abd0080f3de75d3340fdb15c1f9ca35 Reviewed-on: https://go-review.googlesource.com/70891 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Sam Whited <sam@samwhited.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-09-13encoding/xml: add decode wrapperSam Whited
Fixes #19480 Change-Id: I5a621507279d5bb1f3991b7a412d9a63039d464b Reviewed-on: https://go-review.googlesource.com/38791 Run-TryBot: Sam Whited <sam@samwhited.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2017-08-24encoding/xml: improve package based on the suggestions from metalinterKarel Pazdera
Existing code in encoding/xml packages contains code which breaks various linter rules (comments, constant and variable naming, variable shadowing, etc). Fixes #21578 Change-Id: Id4bd9a9be6d5728ce88fb6efe33030ef943c078c Reviewed-on: https://go-review.googlesource.com/58210 Reviewed-by: Sam Whited <sam@samwhited.com> Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Sam Whited <sam@samwhited.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-03-21all: delete dead test codeDominik Honnef
This deletes unused code and helpers from tests. Change-Id: Ie31d46115f558ceb8da6efbf90c3c204e03b0d7e Reviewed-on: https://go-review.googlesource.com/20927 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-03-01all: make copyright headers consistent with one space after periodBrad Fitzpatrick
This is a subset of https://golang.org/cl/20022 with only the copyright header lines, so the next CL will be smaller and more reviewable. Go policy has been single space after periods in comments for some time. The copyright header template at: https://golang.org/doc/contribute.html#copyright also uses a single space. Make them all consistent. Change-Id: Icc26c6b8495c3820da6b171ca96a74701b4a01b0 Reviewed-on: https://go-review.googlesource.com/20111 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2015-11-25encoding/xml: case-insensitive encoding recognitionGiulio Iotti
From the XML spec: "XML processors should match character encoding names in a case-insensitive way" Fixes #12417. Change-Id: I678c50152a49c14364be62b3f21ab9b9b009b24b Reviewed-on: https://go-review.googlesource.com/14084 Reviewed-by: Russ Cox <rsc@golang.org>
2015-09-10encoding/xml: Return SyntaxError for unmatched root start elements.Robert Stepanek
Currently, the xml.Decoder's Token routine returns successfully for XML input that does not properly close root start elements (and any unclosed descendants). For example, all the following inputs <root> <root><foo> <root><foo></foo> cause Token to return with nil and io.EOF, indicating a successful parse. This change fixes that. It leaves the semantics of RawToken intact. Fixes #11405 Change-Id: I6f1328c410cf41e17de0a93cf357a69f12c2a9f7 Reviewed-on: https://go-review.googlesource.com/14315 Reviewed-by: Nigel Tao <nigeltao@golang.org>
2015-06-18xml: add check of version in document declarationGiulio Iotti
Check that if a version is declared, for example in '<?xml version="XX" ?>', version must be '1.0'. Change-Id: I16ba9f78873a5f31977dcf75ac8e671fe6c08280 Reviewed-on: https://go-review.googlesource.com/8961 Reviewed-by: Russ Cox <rsc@golang.org>
2014-09-08build: move package sources from src/pkg to srcRuss Cox
Preparation was in CL 134570043. This CL contains only the effect of 'hg mv src/pkg/* src'. For more about the move, see golang.org/s/go14nopkg.
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