libtest: 2308 verifies CURLE_WRITE_ERROR after write callback error

Verifies that the issue in #13669 actually is fixed. This return code is
what the CURLOPT_WRITEFUNCTION manpage docume

libtest: 2308 verifies CURLE_WRITE_ERROR after write callback error

Verifies that the issue in #13669 actually is fixed. This return code is
what the CURLOPT_WRITEFUNCTION manpage documents should be returned.

This code is mostly from the
Source-written-by: Trumeet on github
Closes #13671

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curl_path: make Curl_get_pathname use dynbuf

... instead of malloc and memcpy

- unit test 2604 verifies Curl_get_pathname()

Closes #13550

content_encoding: ignore duplicate chunked encoding

- ignore duplicate "chunked" transfer-encodings from
a server to accomodate for broken implementations
- add test1482 and test14

content_encoding: ignore duplicate chunked encoding

- ignore duplicate "chunked" transfer-encodings from
a server to accomodate for broken implementations
- add test1482 and test1483

Reported-by: Mel Zuser
Fixes #13451
Closes #13461

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mbedTLS: implement CURLOPT_SSL_CIPHER_LIST option

Use a lookup list to set the cipher suites, allowing the
ciphers to be set by either openssl or IANA names.

To keep the binary

mbedTLS: implement CURLOPT_SSL_CIPHER_LIST option

Use a lookup list to set the cipher suites, allowing the
ciphers to be set by either openssl or IANA names.

To keep the binary size of the lookup list down we compress
each entry in the cipher list down to 2 + 6 bytes using the
C preprocessor.

Closes #13442

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tool_operate: don't truncate the etag save file by default

This fixes a regression of 75d79a4486b279100209ddf8c7fdb12955fb66e9. The
code in tool-operate truncated the etag save file, und

tool_operate: don't truncate the etag save file by default

This fixes a regression of 75d79a4486b279100209ddf8c7fdb12955fb66e9. The
code in tool-operate truncated the etag save file, under the assumption
that the file would be written with a new etag value. However since
75d79a4486b279100209ddf8c7fdb12955fb66e9 that might not be the case
anymore and could result in the file being truncated when --etag-compare
and --etag-save was used and that the etag value matched with what the
server responded. Instead the truncation should not be done when a new
etag value should be written.

Test 3204 was added to verify that the file with the etag value doesn't
change the contents when used by --etag-compare and --etage-save and
that value matches with what the server returns on a non 2xx response.

Closes #13432

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test2406: verify -f with HTTP/2

http: reject HTTP major version switch mid connection

A connection that has seen an HTTP major version now refuses any other
major HTTP version in future responses. Previously, a HTTP/1.

http: reject HTTP major version switch mid connection

A connection that has seen an HTTP major version now refuses any other
major HTTP version in future responses. Previously, a HTTP/1.x
connection would just silently accept HTTP/2 or HTTP/3 in the status
lines as long as it had support for those built-in. It would then just
lead to confusion and badness.

Indirectly Spotted by CodeSonar which identified a duplicate assignment
in this function.

Add test 471 to verify

Closes #13421

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http/2, http/3: decouple stream state from easy handle

- add `Curl_hash_offt` as hashmap between a `curl_off_t` and
an object. Use this in h2+h3 connection filters to associate
`

http/2, http/3: decouple stream state from easy handle

- add `Curl_hash_offt` as hashmap between a `curl_off_t` and
an object. Use this in h2+h3 connection filters to associate
`data->id` with the internal stream state.
- changed implementations of all affected connection filters
- removed `h2_ctx*` and `h3_ctx*` from `struct HTTP` and thus
the easy handle
- solves the problem of attaching "foreign protocol" easy handles
during connection shutdown

Test 1616 verifies the new hash functions.

Closes #13204

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file: add support for getting basic directory listings

Not supported on Windows (yet)

Closes #13137

lib: add curl_multi_waitfds

New function call, similar to curl_multi_fdset()

Closes #13135

test1901: verify chunked POST from callback with CURLOPT_POSTFIELDSIZE set

Follow-up to 721941aadf4ad

Ref: #13257
Closes #13262

test470: warn about unicode quote character read from config file

Idea-by: Emanuele Torre

test469: verify warning when argument has unicode quote

tool_getparam: accept a blank -w ""

Added test 468 to verify.

Regression from 07bcae89d5d00 (shipped in 8.6.0)
Reported-by: Thomas Pyle
Fixes #13144
Closes #13145

test 1541: verify getinfo values on first header callback

Reported-by: chensong1211 on github
Ref: #13125
Closes #13128

curl: make --libcurl output better CURLOPT_*SSLVERSION

The option is really two enums ORed together, so it needs special
attention to make the code output nice.

Added test 1481

curl: make --libcurl output better CURLOPT_*SSLVERSION

The option is really two enums ORed together, so it needs special
attention to make the code output nice.

Added test 1481 to verify. Both the server and the proxy versions.

Reported-by: Boris Verkhovskiy
Fixes #13127
Closes #13129

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tool_getparam: handle non-existing (out of range) short-options

... correctly, even when they follow an existing one without a space in
between.

Verify with test 467

Fo

tool_getparam: handle non-existing (out of range) short-options

... correctly, even when they follow an existing one without a space in
between.

Verify with test 467

Follow-up to 07dd60c05b
Reported-by: Geeknik Labs
Fixes #13101
Closes #13102

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test463: HTTP with -d @file with file containing CR, LF and null byte

http: better error message for HTTP/1.x response without status line

If a response without a status line is received, and the connection is
known to use HTTP/1.x (not HTTP/0.9), report t

http: better error message for HTTP/1.x response without status line

If a response without a status line is received, and the connection is
known to use HTTP/1.x (not HTTP/0.9), report the error "Invalid status
line" instead of "Received HTTP/0.9 when not allowed".

Closes #13045

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tests: add test1598 for POST with trailers

- test POST fields with trailers and chunked encoding

Ref: #12938
Closes #13009

setopt: Fix disabling all protocols

When disabling all protocols without enabling any, the resulting
set of allowed protocols remained the default set. Clearing the
allowed set befo

setopt: Fix disabling all protocols

When disabling all protocols without enabling any, the resulting
set of allowed protocols remained the default set. Clearing the
allowed set before inspecting the passed value from --proto make
the set empty even in the errorpath of no protocols enabled.

Co-authored-by: Dan Fandrich <dan@telarity.com>
Reported-by: Dan Fandrich <dan@telarity.com>
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
Closes: #13004

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CURLINFO_USED_PROXY: return bool whether the proxy was used

Adds test536 to verify

Closes #12719

tests: add SHA-512/256 unit test

curl: exit on config file parser errors

Like when trying to import an environment variable that does not exist.

Also fix a bug for reading env variables when there is a default valu

curl: exit on config file parser errors

Like when trying to import an environment variable that does not exist.

Also fix a bug for reading env variables when there is a default value
set.

Bug: https://curl.se/mail/archive-2024-02/0008.html
Reported-by: Brett Buddin

Add test 462 to verify.

Closes #12862

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sendf: ignore response body to HEAD

and mark the stream for close, but return OK since the response this far
was ok - if headers were received. Partly because this is what curl has
d

sendf: ignore response body to HEAD

and mark the stream for close, but return OK since the response this far
was ok - if headers were received. Partly because this is what curl has
done traditionally.

Test 499 verifies. Updates test 689.

Reported-by: Sergey Bronnikov
Bug: https://curl.se/mail/lib-2024-02/0000.html
Closes #12842

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