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http_aws_sigv4: handle no-value user header entries

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- Handle user headers in format 'name:' and 'name;' with no value.

The former is used when the user wants to remove an internal libcurl
header and the latter is used when the user actually wants to send a
no-value header in the format 'name:' (note the semi-colon is converted
by libcurl to a colon).

Prior to this change the AWS header import code did not special case
either of those and the generated AWS SignedHeaders would be incorrect.

Reported-by: apparentorder@users.noreply.github.com

Ref: https://curl.se/docs/manpage.html#-H

Fixes https://github.com/curl/curl/issues/11664
Closes https://github.com/curl/curl/pull/11668
This commit is contained in:
Jay Satiro 2023-08-12 15:06:08 -04:00
parent 14108c1b80
commit b5c65f8b7b
3 changed files with 51 additions and 5 deletions
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5
tests/data/test1955
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@ -64,9 +64,10 @@ http://exam.ple.com:9000/aws_sigv4/testapi/test exam.ple.com:9000:%HOSTIP:%HTTPP
<protocol>
GET /aws_sigv4/testapi/test HTTP/1.1
Host: exam.ple.com:9000
Authorization: XXX4-HMAC-SHA256 Credential=xxx/19700101/ple/exam/xxx4_request, SignedHeaders=content-type;host;tesmixcase;test0;test1;test2;test_space;x-xxx-date, Signature=779a8ff876528aece8bf03b1296702af0644a4745aa5feabb6ebb1a7bb0d907e
Authorization: XXX4-HMAC-SHA256 Credential=xxx/19700101/ple/exam/xxx4_request, SignedHeaders=content-type;host;tesmixcase;test2;test3;test_space;x-xxx-date, Signature=dd39202e9fb7b836ebf2abb83b114cae11ff3b6a169f0c64b290a774a873db9d
X-Xxx-Date: 19700101T000000Z
test2: 1234
test3: 1234
test2:
test_space: t s m end
tesMixCase: MixCase