curl: support -w '%{num_retries}

Suggested-by: Jay Guerette
Ref: https://github.com/curl/curl/discussions/13901
Closes #13910

tool_writeout: bsearch the variable name

As the list of variable names grows, doing a simple loop to find the
name get increasingly worse. This switches to a bsearch.

Also: do a

tool_writeout: bsearch the variable name

As the list of variable names grows, doing a simple loop to find the
name get increasingly worse. This switches to a bsearch.

Also: do a case sensitive check for the variable name. The names have
not been documented to be case insensitive and there is no point in
having them so.

Closes #13914

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lib: make protocol handlers store scheme name lowercase

- saves a lowercase operation when the "[scheme]_proxy" name is
generated
- appears less "shouting"
- update test 970, 9

lib: make protocol handlers store scheme name lowercase

- saves a lowercase operation when the "[scheme]_proxy" name is
generated
- appears less "shouting"
- update test 970, 972, 1438 and 1536

Closes #13553

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write-out: add '%{proxy_used}'

Returns 1 if the previous transfer used a proxy, otherwise 0. Useful to
for example determine if a `NOPROXY` pattern matched the hostname or
not.

write-out: add '%{proxy_used}'

Returns 1 if the previous transfer used a proxy, otherwise 0. Useful to
for example determine if a `NOPROXY` pattern matched the hostname or
not.

Extended test 970 and 972

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lib: add CURLINFO_CONN_ID and CURLINFO_XFER_ID

- add an `id` long to Curl_easy, -1 on init
- once added to a multi (or its own multi), it gets
a non-negative number assigned by the

lib: add CURLINFO_CONN_ID and CURLINFO_XFER_ID

- add an `id` long to Curl_easy, -1 on init
- once added to a multi (or its own multi), it gets
a non-negative number assigned by the connection cache
- `id` is unique among all transfers using the same
cache until reaching LONG_MAX where it will wrap
around. So, not unique eternally.
- CURLINFO_CONN_ID returns the connection id attached to
data or, if none present, data->state.lastconnect_id
- variables and type declared in tool for write out

Closes #11185

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tool_writeout: add URL component variables

Output specific components from the used URL. The following variables
are added for this purpose:

url.scheme, url.user, url.password

tool_writeout: add URL component variables

Output specific components from the used URL. The following variables
are added for this purpose:

url.scheme, url.user, url.password, url.options, url.host, url.port,
url.path, url.query, url.fragment, url.zoneid

Add the following for outputting parts of the "effective URL":

urle.scheme, urle.user, urle.password, urle.options, urle.host, urle.port,
urle.path, urle.query, urle.fragment, urle.zoneid

Added test 423 and 424 to verify.

Closes #10853

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tests: use %LOGDIR to refer to the log directory

This will allow it be set dynamically.

Ref: #10818

writeout: add %{certs} and %{num_certs}

Let users get the server certificate chain using the command line

Closes #10019

tool_writeout: fix the HTTP_CODE json output

Update test 970 accordingly.

Reported-by: Michal Rus
Fixes #6905
Closes #6906

tests: use %TESTNUMBER instead of fixed number

This makes the tests easier to copy and relocate to other test numbers
without having to update content.

Closes #6738

http: add support to read and store the referrer header

- add CURLINFO_REFERER libcurl option
- add --write-out '%{referer}' command-line option
- extend --xattr command-line option

http: add support to read and store the referrer header

- add CURLINFO_REFERER libcurl option
- add --write-out '%{referer}' command-line option
- extend --xattr command-line option to fill user.xdg.referrer.url extended
attribute with the referrer (if there was any)

Closes #6591

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tool_writeout: refactor write-out and write-out json

- Deduplicate the logic used by write-out and write-out json.

Rather than have separate writeLong, writeString, etc, logic for

tool_writeout: refactor write-out and write-out json

- Deduplicate the logic used by write-out and write-out json.

Rather than have separate writeLong, writeString, etc, logic for
each of write-out and write-out json instead have respective shared
functions that can output either format and a 'use_json' parameter to
indicate whether it is json that is output.

This will make it easier to maintain. Rather than have to go through
two sets of logic now we only have to go through one.

- Support write-out %{errormsg} and %{exitcode} in json.

- Clarify in the doc that %{exitcode} is the exit code of the transfer.

Prior to this change it just said "The numerical exitcode" which
implies it's the exit code of the tool, and it's not necessarily that.

Closes https://github.com/curl/curl/pull/6544

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tests: fixup several tests

missing CRs and modified %hostip

lib556/test556: use a real HTTP version to make test reuse more convenient

make sure the weekday in Date headers

tests: fixup several tests

missing CRs and modified %hostip

lib556/test556: use a real HTTP version to make test reuse more convenient

make sure the weekday in Date headers matches the date

test61: replace stray "^M" (5e 4d) at the end of a cookie with a '^M' (0d)

Gets the test working with external proxies like Privoxy again.

Closes #6463

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test970: adapted to the new internal order of variables

runtests: provide curl's version string as %VERSION for tests

... so that we can check HTTP requests for User-Agent: curl/%VERSION

Update 600+ test cases accordingly.

Close

runtests: provide curl's version string as %VERSION for tests

... so that we can check HTTP requests for User-Agent: curl/%VERSION

Update 600+ test cases accordingly.

Closes #6037

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tool_writeout: add new writeout variable, %{num_headers}

This variable gives the number of headers.

Closes #5947

curl: add %{method} to the -w variables

Gets the CURLINFO_EFFECTIVE_METHOD from libcurl.

Added test 1197 to verify.

test970: make it require proxy support

This test verifies the -w %json output and the test case includes a full
generated "blob". If there's no proxy support built into libcurl, it
w

test970: make it require proxy support

This test verifies the -w %json output and the test case includes a full
generated "blob". If there's no proxy support built into libcurl, it
will return an error for proxy related info variables and they will not
be included in the json, thus causing a mismatch and this test fails.

Reported-by: Marc Hörsken
Fixes #5501
Closes #5502

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writeout_json: Fix data type issues

Load long values correctly (e.g. for http_code).

Use curl_off_t (not long) for:
- size_download (CURLINFO_SIZE_DOWNLOAD_T)
- size_upload

writeout_json: Fix data type issues

Load long values correctly (e.g. for http_code).

Use curl_off_t (not long) for:
- size_download (CURLINFO_SIZE_DOWNLOAD_T)
- size_upload (CURLINFO_SIZE_UPLOAD_T)

The unit for these values is bytes/second, not microseconds:
- speed_download (CURLINFO_SPEED_DOWNLOAD_T)
- speed_upload (CURLINFO_SPEED_UPLOAD_T)

Fixes #5131
Closes #5152

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getinfo: provide CURLINFO_HEADER_SIZE and CURLINFO_REQUEST_SIZE override

To let debug-builds return fake values, like in test 970.

Ref: #5131
Closes #5136

test970: improve the test

- send more data to make problems more obvious
- don't start the data with minus, it makes diffs harder to read
- skip the headers in the stdout comparison

test970: improve the test

- send more data to make problems more obvious
- don't start the data with minus, it makes diffs harder to read
- skip the headers in the stdout comparison
- save to a file name to also verify 'filename_effective'

Ref: #5131

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test970: fix static ip:port instead of dynamic values being used

test 970: verify --write-out '%{json}'

Makes curl_easy_getinfo() of "variable" numerical content instead return
the number set in the env variable `CURL_TIME`.

Makes curl_versio

test 970: verify --write-out '%{json}'

Makes curl_easy_getinfo() of "variable" numerical content instead return
the number set in the env variable `CURL_TIME`.

Makes curl_version() of "variable" textual content. This guarantees a
stable version string which can be tested against. Environment variable
`CURL_VERSION` defines the content.

Assisted-by: Mathias Gumz

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