openssl: show "proper" version number for libressl builds

Closes #2989

openssl: assume engine support in 0.9.8 or later

Fixes #2983
Closes #2988

sendf: use failf() rather than Curl_failf()

The failf() macro is the name used for invoking Curl_failf(). While
there isn't a way to turn off failf like there is for infof, but it's

sendf: use failf() rather than Curl_failf()

The failf() macro is the name used for invoking Curl_failf(). While
there isn't a way to turn off failf like there is for infof, but it's
still a good idea to use the macro.

Reviewed-by: Daniel Stenberg <daniel@haxx.se>

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sendf: Fix whitespace in infof/failf concatenation

Strings broken on multiple rows in the .c file need to have appropriate
whitespace padding on either side of the concatenation point to

sendf: Fix whitespace in infof/failf concatenation

Strings broken on multiple rows in the .c file need to have appropriate
whitespace padding on either side of the concatenation point to render
a correct amalgamated string. Fix by adding a space at the occurrences
found.

Closes #2986
Reviewed-by: Daniel Stenberg <daniel@haxx.se>

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krb5: fix memory leak in krb_auth

The FTP command allocated by aprintf() must be freed after usage.

Reviewed-by: Daniel Stenberg <daniel@haxx.se>

ftp: include command in Curl_ftpsend sendbuffer

Commit 8238ba9c5f10414a88f502bf3f5d5a42d632984c inadvertently removed
the actual command to be sent from the send buffer in a refactoring.

ftp: include command in Curl_ftpsend sendbuffer

Commit 8238ba9c5f10414a88f502bf3f5d5a42d632984c inadvertently removed
the actual command to be sent from the send buffer in a refactoring.
Add back copying the command into the buffer. Also add more guards
against malformed input while at it.

Closes #2985
Reviewed-by: Daniel Stenberg <daniel@haxx.se>

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ntlm_wb: Fix memory leaks in ntlm_wb_response

When erroring out on a request being too large, the existing buffer was
leaked. Fix by explicitly freeing on the way out.

Closes #2

ntlm_wb: Fix memory leaks in ntlm_wb_response

When erroring out on a request being too large, the existing buffer was
leaked. Fix by explicitly freeing on the way out.

Closes #2966
Reviewed-by: Daniel Stenberg <daniel@haxx.se>

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travis: build the MesaLink vtls backend with MesaLink 0.7.1

runtests.pl: run tests against the MesaLink vtls backend

vtls: add a MesaLink vtls backend

Closes #2984

configure.ac: add a MesaLink vtls backend

curl_url_set.3: properly escape \n in example code

This yields

"the scheme is %s\n"

instead of

"the scheme is %s0

Closes #2970

curl_url_set.3: fix typo in reference to CURLU_APPENDQUERY

urlglob: improve error message

to help user understand what the problem is

Reported-by: Daniel Shahaf

Fixes #2763
Closes #2977

tests/certs: rebuild certs with 2048-bit RSA keys

The previous test certificates contained RSA keys of only 1024 bits.
However, RSA claims that 1024-bit RSA keys are likely to become

tests/certs: rebuild certs with 2048-bit RSA keys

The previous test certificates contained RSA keys of only 1024 bits.
However, RSA claims that 1024-bit RSA keys are likely to become
crackable some time before 2010. The NIST recommends at least 2048-bit
keys for RSA for now.

Better use full 2048 also for testing.

Closes #2973

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TODO: fix typo in item

Closes #2968
Reviewed-by: Daniel Stenberg <daniel@haxx.se>

anyauthput: fix compiler warning on 64-bit Windows

On Windows, the read function from <io.h> is used, which has its byte
count parameter as unsigned int instead of size_t.

Close

anyauthput: fix compiler warning on 64-bit Windows

On Windows, the read function from <io.h> is used, which has its byte
count parameter as unsigned int instead of size_t.

Closes https://github.com/curl/curl/pull/2972

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lib: fix gcc8 warning on Windows

Closes https://github.com/curl/curl/pull/2979

openssl: fix gcc8 warning

- Use memcpy instead of strncpy to copy a string without termination,
since gcc8 warns about using strncpy to copy as many bytes from a
string as its le

openssl: fix gcc8 warning

- Use memcpy instead of strncpy to copy a string without termination,
since gcc8 warns about using strncpy to copy as many bytes from a
string as its length.

Suggested-by: Viktor Szakats

Closes https://github.com/curl/curl/issues/2980

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libcurl-url.3: overview man page for the URL API

Closes #2967

example/asiohiper: insert warning comment about its status

This example is simply not working correctly but there's nobody around
with the skills and energy to fix it.

Closes #2

example/asiohiper: insert warning comment about its status

This example is simply not working correctly but there's nobody around
with the skills and energy to fix it.

Closes #2407

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docs/cmdline-opts: update the documentation of --tlsv1.0

... to reflect the changes in 6015cefb1b2cfde4b4850121c42405275e5e77d9

Closes #2955

docs/examples: do not wait when no transfers are running

Closes #2948

cookies: Move failure case label to end of function

Rather than jumping backwards to where failure cleanup happens
to be performed, move the failure case to end of the function
where

cookies: Move failure case label to end of function

Rather than jumping backwards to where failure cleanup happens
to be performed, move the failure case to end of the function
where it is expected per existing coding convention.

Closes #2965

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misc: fix typos in comments

Closes #2963