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This is a preparatory refactoring for upcoming JSON format support
in access log.
No functional changes.
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This commit introduces a new flag to control the addition of newline
characters in access log entries. This is prepared for fixing the issue
where log entries lack newlines when using JS configuration.
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This nxt_tstr_cond_t will be reused for the feature of adding "if"
option to the "match" object. The two "if" options have the same usage.
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Initially, variable query was designed to accomodate both synchronous
and asynchronous operations. However, upon consideration of actual
requirements, we recognized that asynchronous support was not needed.
The refactoring ensures that the success or failure of the variable
query operation is now directly indicated by its return value. This
change streamlines the function's usage and enhances code clarity,
as it facilitates immediate error handling without the need for
asynchronous callbacks or additional error checking functions.
Note the patch only works for Unit native variables but not njs
variables.
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This issue was found with oss-fuzz.
==18420==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x55dd798a5797 in nxt_vsprintf unit/src/nxt_sprintf.c:163:31
#1 0x55dd798d5bdb in nxt_conf_vldt_error unit/src/nxt_conf_validation.c:1525:11
#2 0x55dd798dd4cd in nxt_conf_vldt_var unit/src/nxt_conf_validation.c:1560:16
#3 0x55dd798dd4cd in nxt_conf_vldt_if unit/src/nxt_conf_validation.c:1592:16
#4 0x55dd798d55f4 in nxt_conf_vldt_object unit/src/nxt_conf_validation.c:2815:23
#5 0x55dd798d6f84 in nxt_conf_vldt_access_log unit/src/nxt_conf_validation.c:3426:11
#6 0x55dd798d55f4 in nxt_conf_vldt_object unit/src/nxt_conf_validation.c:2815:23
#7 0x55dd798d47bd in nxt_conf_validate unit/src/nxt_conf_validation.c:1421:11
#8 0x55dd79871c82 in LLVMFuzzerTestOneInput unit/fuzzing/nxt_json_fuzz.c:67:5
#9 0x55dd79770620 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:614:13
#10 0x55dd7975adb4 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:327:6
#11 0x55dd7976084a in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:862:9
#12 0x55dd7978cc42 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10
#13 0x7e8192213082 in __libc_start_main /build/glibc-SzIz7B/glibc-2.31/csu/libc-start.c:308:16
#14 0x55dd7975188d in _start
Uninitialized value was created by an allocation of 'error.i' in the stack frame
#0 0x55dd798dd42b in nxt_conf_vldt_var unit/src/nxt_conf_validation.c:1557:5
#1 0x55dd798dd42b in nxt_conf_vldt_if unit/src/nxt_conf_validation.c:1592:16
The issue was in nxt_tstr_test() where we create an error message with
nxt_sprintf(), where this error message is then later used with the
'%s' format specifier which expects a nul-terminated string, but by
default nxt_sprintf() doesn't nul-terminate, you must use the '%Z'
specifier to signify a '\0' at the end of the string.
Signed-off-by: Arjun <pkillarjun@protonmail.com>
Co-developed-by: Zhidao HONG <z.hong@f5.com>
Signed-off-by: Zhidao HONG <z.hong@f5.com>
Link: <https://github.com/google/oss-fuzz>
Reviewed-by: Andrew Clayton <a.clayton@nginx.com>
[ Commit message/subject - Andrew ]
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>
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This allows you to then define strings like
static const nxt_str_t my_str = nxt_string("string");
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>
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This commit is to reimplement the variables with an unknown field
such as $header_{name} to make the parsing more generic,
it's a preparation for supporting response header variables.
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Signed-off-by: Alejandro Colomar <alx@nginx.com>
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This commit introduced the basic URI rewrite. It allows users to change request URI. Note the "rewrite" option ignores the contained query if any and the query from the request is preserverd.
An example:
"routes": [
{
"match": {
"uri": "/v1/test"
},
"action": {
"return": 200
}
},
{
"action": {
"rewrite": "/v1$uri",
"pass": "routes"
}
}
]
Reviewed-by: Alejandro Colomar <alx@nginx.com>
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This commit fixed the njs memory leak happened in the config validation, updating and http requests.
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It's for the introduction of njs support.
For each option that supports native variable and JS template literals introduced next,
it's unified as template string.
No functional changes.
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