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181 Commits

Author SHA1 Message Date
Daniel P. Berrangé
80798c406c xmlschemastypes: ensure thread safe global initialization 
Relying on a plain integer flag, with no synchronization primitives does
not give thread-safe initialization. All reads & writes of the
xmlSchemaTypesInitialized flag need to be protected by a mutex to ensure
suitable memory barriers & thus correct ordering wrt any speculative
execution.

A separate internal initializer tied to xmlParserInit is used to create
the mutex used for synchronization, similarly to how catalog.c works.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
 2025-06-26 17:46:01 +01:00
Nick Wellnhofer
22246f21c5 schemas: Fix compilation with pre-C99 MSVC 
Regressed with f307237e.

Fixes #944.
 2025-06-23 23:03:02 +02:00
Nick Wellnhofer
7bd8d1d9cc doc: Prefix autolinks with '#' 
Use `#func` instead of `func()` to ignore parameters and make all
autolinks work.
 2025-05-28 16:01:52 +02:00
Nick Wellnhofer
adfbeb7e08 doc: Stop using *Ptr typedefs in documentation 2025-05-16 18:03:12 +02:00
Nick Wellnhofer
a40f36e7f2 include: Stop using *Ptr typedefs in public headers 2025-05-16 18:03:12 +02:00
Nick Wellnhofer
2d83a84ca6 doc: Misc improvements 2025-05-16 18:03:12 +02:00
Nick Wellnhofer
442c1903af doc: Fix some damage from automated conversions 
Add some newlines, fix returns.
 2025-05-11 20:29:25 +02:00
Nick Wellnhofer
967df734c5 malloc-fail: Handle malloc failure in xmlSchemaCopyValue 
Avoid null pointer dereference. Fixes #905.
 2025-05-11 20:29:25 +02:00
Nick Wellnhofer
9bbffec568 doc: Move brief to top, params to bottom of doc comments 2025-05-06 19:51:38 +02:00
Nick Wellnhofer
e78e05c990 doc: Fix autolinks to functions 
Unfortunately, autolinks in .c files aren't converted by Doxygen for
some reason.
 2025-05-02 17:45:31 +02:00
Nick Wellnhofer
f7c412874b doc: Remove more comment block headers 2025-05-02 17:41:26 +02:00
Nick Wellnhofer
e525564f65 doc: Remove empty lines at start of block 
These lines were left over after automatic conversion.
 2025-05-02 11:42:05 +02:00
Nick Wellnhofer
e549622bc5 doc: Convert documentation to Doxygen 
Automated conversion based on a few regexes.
 2025-05-01 23:23:42 +02:00
Nick Wellnhofer
69879da88f doc: Remove email addresses from documentation 
Also remove authorship information from generated files, hash.c and
globals.c which were rewritten.
 2025-05-01 23:23:42 +02:00
Nick Wellnhofer
61890e399d doc: Prepare for conversion to Doxygen 
Fix many params in internal functions (not really necessary but Doxygen
warns about that in XML mode).

Fix formatting in a few corner cases that automatic conversion can't
handle.

Rearrange some DOC_DISABLE blocks.
 2025-05-01 23:23:42 +02:00
Himanshibansal
fe7f835f32 Fix C4296 warning: Resolve comparison of unsigned int with 0 2025-02-20 10:24:50 +00:00
Nick Wellnhofer
9c16a153d8 Revert "include: Make most IS_* macros private" 
This reverts commit 84a6c82ff8.
 2025-02-13 20:20:17 +01:00
Nick Wellnhofer
84a6c82ff8 include: Make most IS_* macros private 
Macros like IS_DIGIT or IS_LETTER severely pollute the C namespace.
 2024-12-21 20:01:30 +01:00
Nick Wellnhofer
3f0bac4820 malloc-fail: Handle more malloc failures in schema code 
These issues can only arise after a memory allocation failed.

- WXS_ADD_*: Add NULL check and raise error
- XML_SCHEMA_*: Make macros safe
- xmlSchemaParseUnion: Fix leak, raise error, commit after success to
  avoid memory corruption
- xmlSchemaVAddNodeQName: Restore nbItems after partial success,
  raise error
- xmlSchemaIDCAcquireTargetList: Raise error
- xmlSchemaXPathProcessHistory: Handle errors
- xmlSchemaIDCFillNodeTables: Fix leak
- xmlSchemaCheckCVCIDCKeyRef: Handle errors
- xmlSchemaVPushText: Reset flag to avoid memory corruption
- xmlSchemaNewValidCtxt: Handle errors
- xmlSchemaVDocWalk: Fix leak
- xmlSchemaInitBasicType: Handle error
- xmlSchemaCleanupTypesInternal: Fix null deref
- xmlSchemaWhiteSpaceReplace: Handle error
- xmlSchemaParseUInt: Handle error
- xmlSchemaValAtomicType: Fix leak, handle error
- xmlSchemaDateNormalize: Fix leak
 2024-12-21 19:41:16 +01:00
Nick Wellnhofer
5d36664fc9 memory: Deprecate xmlGcMemSetup 2024-07-16 17:42:10 +02:00
Nick Wellnhofer
1b6403583b schemas: Stop using xmlValidateNotationUse 
Simplify symbol availability logic.
 2024-06-16 18:47:12 +02:00
Nick Wellnhofer
f307237e14 schemas: Use private copy of global NaN and Inf 
Simplify symbol availability logic.
 2024-06-16 18:47:12 +02:00
Tomáš Ženčák
ae960cac96 Allow unlimited length decimals, integers etc. 2024-04-30 12:33:47 +02:00
Nick Wellnhofer
d0d6174e81 valid: Rework xmlAddID 2024-03-15 19:47:07 +01:00
Maks Mishin
25afd931fc xmlschemastypes: Remove unreachable if statement 
Pointer `cur` is created by `value` variable and there is no
need to check `cur` for NULL because of `value` is checked
in the beginning of function.

Found by RASU JSC.
 2024-02-29 12:06:43 +00:00
Nick Wellnhofer
06c00f6582 schemas: Improve error handling 
Introduce xmlSchema*ErrFull which checks for memory allocation failures
during error reporting.

Remove arguments from memory error handlers.

Use xmlRaiseMemoryError.

Remove TODO macro.
 2023-12-21 02:46:27 +01:00
makise-homura
595c19a592 Avoid EDG -Wtype-limits warnings on unsigned comparisons with zero by conversion from unsigned int to int 2023-11-22 05:34:56 +00:00
Nick Wellnhofer
9b5cce7a71 include: Remove more unnecessary includes 2023-09-21 01:50:53 +02:00
Nick Wellnhofer
4e1c13ebfd debug: Remove debugging code 
This is barely useful these days and only clutters the code base.
 2023-09-19 17:35:09 +02:00
Nick Wellnhofer
f8efa589e8 malloc-fail: Handle malloc failures in xmlSchemaInitTypes 
Note that this changes the return value of public function
xmlSchemaInitTypes from void to int. This shouldn't break the ABI on
most platforms.

Found when investigating #500.
 2023-03-14 15:14:38 +01:00
Nick Wellnhofer
19b197b616 malloc-fail: Fix null deref after xmlSchemaCompareDates 
Found with libFuzzer, see #344.
 2023-03-08 13:17:49 +01:00
Nick Wellnhofer
7762e8eda1 malloc-fail: Fix null deref in xmlSchemaValAtomicType 
Found with libFuzzer, see #344.
 2023-03-08 13:17:47 +01:00
Nick Wellnhofer
112340c6c0 malloc-fail: Fix null deref in xmlSchemaInitTypes 
Found with libFuzzer, see #344.
 2023-03-08 13:17:47 +01:00
Nick Wellnhofer
2cac626976 Don't use sizeof(xmlChar) or sizeof(char) 2022-09-01 03:35:19 +02:00
Nick Wellnhofer
0f568c0b73 Consolidate private header files 
Private functions were previously declared

- in header files in the root directory
- in public headers guarded with IN_LIBXML
- in libxml.h
- redundantly in source files that used them.

Consolidate all private header files in include/private.
 2022-08-26 02:11:56 +02:00
Nick Wellnhofer
2070ade6df Undeprecate schema init functions 
These functions aren't called from xmlInitParser, so it's better to keep
them public for now.
 2022-03-10 01:24:31 +01:00
Nick Wellnhofer
40483d0ce2 Deprecate module init and cleanup functions 
These functions shouldn't be part of the public API. Most init
functions are only thread-safe when called from xmlInitParser. Global
variables should only be cleaned up by calling xmlCleanupParser.
 2022-03-06 15:59:43 +01:00
Damjan Jovanovic
966b0f21c1 Add whitespace folding for some atomic data types that it's missing on. 
XSD validation fails when some atomic types contain surrounding whitespace
even though XML Schema Part 2: Datatypes Second Edition, section 4.3.6
says they should be collapsed. Fix this.

(I am not sure whether the test is correct.)

Issue: #278
 2022-03-02 14:05:51 +00:00
Nick Wellnhofer
776d15d383 Don't check for standard C89 headers 
Don't check for

- ctype.h
- errno.h
- float.h
- limits.h
- math.h
- signal.h
- stdarg.h
- stdlib.h
- string.h
- time.h

Stop including non-standard headers

- malloc.h
- strings.h
 2022-03-02 00:43:54 +01:00
Nick Wellnhofer
346c3a930c Remove elfgcchack.h 
The same optimization can be enabled with -fno-semantic-interposition
since GCC 5. clang has always used this option by default.
 2022-02-20 21:49:04 +01:00
Nick Wellnhofer
daf2d9c3de Fix regression in RelaxNG pattern matching 
XML_SCHEMAS_QNAME is not a string-derived type. Other types up to
XML_SCHEMAS_ENTITIES are.

Should fix #224.
 2022-02-13 23:04:29 +01:00
PaulHiggs
33468d7e70 update for xsd:language type check 
Fixes #242.
 2021-05-03 18:10:51 +02:00
Xiaoming Ni
cb7a572b3e xmlschemastypes.c: xmlSchemaGetFacetValueAsULong add, check "facet->val" 
The xmlSchemaGetFacetValueAsUlong() API is an external API.
The validity of external input parameters must be strictly verified.
Before accessing "facet->val->value", we need check whether "facet->val" is
a null pointer.

Signed-off-by: wuqing <wuqing30@huawei.com>
Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
 2020-12-07 14:37:55 +01:00
Nick Wellnhofer
8e7c20a1af Fix integer overflow when comparing schema dates 
Found by OSS-Fuzz.
 2020-08-03 17:35:53 +02:00
Nick Wellnhofer
c0440868c3 Copy xs:duration parser from libexslt 
The duration parser in libexslt checks for integer overflows.
 2020-06-23 16:20:28 +02:00
Nick Wellnhofer
18425d3ad5 Fix integer overflow in _xmlSchemaParseGYear 
Found with libFuzzer and UBSan.
 2020-06-23 16:20:28 +02:00
Nick Wellnhofer
50f18830e1 Fix another memory leak in xmlSchemaValAtomicType 
Don't collapse language IDs twice.

Found with libFuzzer and ASan.
 2020-06-23 16:20:28 +02:00
Nick Wellnhofer
20c60886e4 Fix typos 
Resolves #133.
 2020-03-08 17:41:53 +01:00
Kevin Puetz
e45e06de90 Fix xmlSchemaGetCanonValue formatting for date and dateTime 
Per https://www.w3.org/TR/xmlschema-2/#dateTime-lexical-representation,
the date portion is supposed to use '-' as the delimiter
 2020-02-11 11:35:46 +01:00
Nick Wellnhofer
5eeb9d5fbb Fix memory leak in xmlSchemaValAtomicType 
Don't collapse anyUris twice.

Closes #104.
 2019-10-14 16:35:00 +02:00