curl: Made --metalink option toggle Metalink functionality

In this change, --metalink option no longer takes argument. If
it is specified, given URIs are processed as Metalink XML file.

curl: Made --metalink option toggle Metalink functionality

In this change, --metalink option no longer takes argument. If
it is specified, given URIs are processed as Metalink XML file.
If given URIs are remote (e.g., http URI), curl downloads it
first. Regardless URI is local file (e.g., file URI scheme) or
remote, Metalink XML file is not written to local file system and
the received data is fed into Metalink XML parser directly. This
means with --metalink option, filename related options like -O
and -o are ignored.

Usage examples:

$ curl --metalink http://example.org/foo.metalink

This will download foo.metalink and parse it and then download
the URI described there.

$ curl --metalink file://foo.metalink

This will parse local file foo.metalink and then download the URI
described there.

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Fixes allowing 26 more test cases in 1334 to 1393 range to succeed

metalink: build fixes and adjustments II

Additionally, make hash checking ability mandatory in order to allow metalink
support in curl.

A command line option could be introduced

metalink: build fixes and adjustments II

Additionally, make hash checking ability mandatory in order to allow metalink
support in curl.

A command line option could be introduced to skip hash checking at runtime,
but the ability to check hashes should always be built-in when providing
metalink support.

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metalink: build fixes and adjustments I

Fixes allowing HTTP test cases 1338, 1339, 1368 and 1369 to succeed

Reduced #ifdef HAVE_METALINK

Disable hash check if neither OpenSSL nor GNUTLS is installed.

Minimize usage of structs from libmetalink

Check checksum of downloaded file if checksum is available

Metalink file contains several hash types of checksums, such as
md5, sha-1, sha-256, etc. To deal with these checksums, I creat

Check checksum of downloaded file if checksum is available

Metalink file contains several hash types of checksums, such as
md5, sha-1, sha-256, etc. To deal with these checksums, I created
abstraction layer based on lib/curl_md5.h and
lib/md5.c. Basically, they are almost the same but I changed the
code so that it is not hash type dependent. Currently,
GNUTLS(nettle or gcrypt) and OpenSSL functions are supported.

Checksum checking is done by reopening download file. If there
is an I/O error, the current implementation just prints error
message and does not try next resource.

In this patch, the supported hash types are: md5, sha-1 and sha-256.

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Always create directory hierarchy for Metalink.

Filenames contained in Metalink file can include directory information.
Filenames are unique in Metalink file, taking into account the dir

Always create directory hierarchy for Metalink.

Filenames contained in Metalink file can include directory information.
Filenames are unique in Metalink file, taking into account the directory
information. So we need to create the directory hierarchy.

Curl has --create-dirs option, but we create directory hierarchy for
Metalink downloads regardless of the option value.

This patch also put metalink int variable outside of HAVE_LIBMETALINK
guard. This reduces the number of #ifdefs.

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Support media-type parameter in Content-Type

metalink: parse downloaded Metalink file

Parse downloaded Metalink file and add downloads described there. Fixed
compile error without metalink support.

metalink: minor metalinkfile fix

Don't update config->metalinkfile_last in operate(). Use local variable
to point to the current metalinkfile.

metalink: show help message even if disabled

Print message if --metalink is used while metalink support is not
enabled. Migrated Metalink support in tool_operate.c and removed
operat

metalink: show help message even if disabled

Print message if --metalink is used while metalink support is not
enabled. Migrated Metalink support in tool_operate.c and removed
operatemetalink().

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Support Metalink.

This change adds experimental Metalink support to curl.
To enable Metalink support, run configure with --with-libmetalink.
To feed Metalink file to curl, use --meta

Support Metalink.

This change adds experimental Metalink support to curl.
To enable Metalink support, run configure with --with-libmetalink.
To feed Metalink file to curl, use --metalink option like this:

$ curl -O --metalink foo.metalink

We use libmetalink to parse Metalink files.

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Made -D option work with -O and -J.

To achieve this, first new structure HeaderData is defined to hold
necessary data to perform header-related work. Then tool_header_cb now
receive

Made -D option work with -O and -J.

To achieve this, first new structure HeaderData is defined to hold
necessary data to perform header-related work. Then tool_header_cb now
receives HeaderData pointer as userdata. All header-related work
(currently, dumping header and Content-Disposition inspection) are done
in this callback function. HeaderData.outs->config is used to determine
whether each work is done.

Unit tests were also updated because after this change, curl code always
sets CURLOPT_HEADERFUNCTION and CURLOPT_HEADERDATA.

Tested with -O -J -D, -O -J -i and -O -J -D -i and all worked fine.

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Take in account that CURLAUTH_* bitmasks are now 'unsigned long' - follow-up

MIPSPro compiler detected curl_easy_getinfo() related missing adjustments.
SunPro compiler detected curl tool

Take in account that CURLAUTH_* bitmasks are now 'unsigned long' - follow-up

MIPSPro compiler detected curl_easy_getinfo() related missing adjustments.
SunPro compiler detected curl tool --libcurl option related missing adjustments.

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Take in account that CURLAUTH_* bitmasks are now 'unsigned long'

Data type of internal vars holding CURLAUTH_* bitmasks changed from 'long' to
'unsigned long' for proper handling and ope

Take in account that CURLAUTH_* bitmasks are now 'unsigned long'

Data type of internal vars holding CURLAUTH_* bitmasks changed from 'long' to
'unsigned long' for proper handling and operating.

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Some explicit conversion to 'long' of curl_easy_setopt() third argument

Explicit conversion to 'long' of curl_easy_setopt() third argument for options
CURLOPT_HTTPAUTH and CURLOPT_PROXYA

Some explicit conversion to 'long' of curl_easy_setopt() third argument

Explicit conversion to 'long' of curl_easy_setopt() third argument for options
CURLOPT_HTTPAUTH and CURLOPT_PROXYAUTH given that this is how its bitmasks are
docummented to be used.

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tool_operate.c: fix compiler warning

curl tool: make curl.h first header included in tool_setup.h

curl tool: use configuration files from lib directory

Configuration files such as curl_config.h and all config-*.h no longer exist
nor are generated/copied into 'src' directory, now thes

curl tool: use configuration files from lib directory

Configuration files such as curl_config.h and all config-*.h no longer exist
nor are generated/copied into 'src' directory, now these only exist in 'lib'
directory from where curl tool sources uses them.

Additionally old src/setup.h has been refactored into src/tool_setup.h which
now pulls lib/setup.h

The possibility of a makefile needing an include path adjustment exists.

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curl: add --post303 to set the CURL_REDIR_POST_303 option

curl tool: add filename_effective token for --write-out

By modifying the parameter list for ourWriteOut() and passing the
OutStruct that collects data in tool_operate, we get access to t

curl tool: add filename_effective token for --write-out

By modifying the parameter list for ourWriteOut() and passing the
OutStruct that collects data in tool_operate, we get access to the
remote name that we're writing to. Shell scripters should find this
useful when used in conjuntion with the --remote-header-name option.

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Generate lists and use symbols in --libcurl code output.

This patch improves the output of curl's --libcurl option by
generating code which builds curl_httppost and curl_slist lists, and

Generate lists and use symbols in --libcurl code output.

This patch improves the output of curl's --libcurl option by
generating code which builds curl_httppost and curl_slist lists, and
uses symbolic names for enum and flag values. Variants of the
my_setopt macro in tool_setopt.h are added in order to pass extra type
information to the code-generation step in tool_setopt.c.

If curl is configured with --disable-libcurl-option then the macros
call curl_easy_setopt directly.

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