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test1521: verify setting options better #14634

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@bagder bagder commented Aug 21, 2024

Previously this test allowed several error values when setting options. This made this test miss #14629.

Now, errors are generally not accepted for setopts:

  • numerical setopts accept CURLE_BAD_FUNCTION_ARGUMENT for funny input
  • the first setopt to an option accepts CURLE_NOT_BUILT_IN or CURLE_UNKNOWN_OPTION for when they are disabled/not built-in
  • there is an allowlist concept for some return code for some variables, managed at the top of the mk-lib1521.pl script

In curl.h: remove the OBSOLETE named values from the setopt list.

@bagder bagder marked this pull request as draft August 21, 2024 14:03
@bagder bagder marked this pull request as ready for review August 22, 2024 07:24
bagder added a commit that referenced this pull request Aug 22, 2024
instead of returning an error code to the getinfo() call

Closes #14634
bagder added a commit that referenced this pull request Aug 22, 2024
Previously this test allowed a few error values when setting a pointer
setopt to NULL, which made this test miss #14629.

Now, no errors are accepted for setopts - but now we also check that the
variable exists before setting it.

As a consequence, CURLOPT_PROTOCOLS_STR and CURLOPT_REDIR_PROTOCOLS_STR
both now also support NULL as a way to restore back to default values.

In curl.h: remove the OBSOLETE named values from the setopt list.

Closes #14634
bagder added a commit that referenced this pull request Aug 22, 2024
instead of returning an error code to the getinfo() call

Closes #14634
bagder added a commit that referenced this pull request Aug 22, 2024
Previously this test allowed several error values when setting options.
This made this test miss #14629.

Now, errors are generally not accepted for setopts:

 - numerical setopts accept CURLE_BAD_FUNCTION_ARGUMENT for funny input
 - the first setopt to an option accepts CURLE_NOT_BUILT_IN or
   CURLE_UNKNOWN_OPTION for when they are disabled/not built-in
 - there is an allowlist concept for some return code for some variables,
   managed at the top of the mk-lib1521.pl script

In curl.h: remove the OBSOLETE named values from the setopt list.

Closes #14634
@bagder bagder changed the title test1521: verify setting options to NULL better test1521: verify setting options better Aug 22, 2024
@bagder bagder marked this pull request as draft August 22, 2024 14:48
@bagder bagder marked this pull request as ready for review August 22, 2024 21:46
instead of returning an error code to the getinfo() call

Closes #14634
... and just move them into the accepted range.
Previously this test allowed several error values when setting options.
This made this test miss #14629.

Now, errors are generally not accepted for setopts:

 - numerical setopts accept CURLE_BAD_FUNCTION_ARGUMENT for funny input
 - the first setopt to an option accepts CURLE_NOT_BUILT_IN or
   CURLE_UNKNOWN_OPTION for when they are disabled/not built-in
 - there is an allowlist concept for some return code for some variables,
   managed at the top of the mk-lib1521.pl script

In curl.h: remove the OBSOLETE named values from the setopt list.

Closes #14634
@bagder bagder closed this in 20d447c Aug 23, 2024
bagder added a commit that referenced this pull request Aug 23, 2024
Because NULL is documented as default and most options that take
pointers accept NULL to reset back to internal default.

Closes #14634
bagder added a commit that referenced this pull request Aug 23, 2024
... and just move them into the accepted range. Like how buffersize and
a few other options work.

Closes #14634
bagder added a commit that referenced this pull request Aug 23, 2024
Previously this test allowed several error values when setting options.
This made this test miss #14629.

Now, errors are generally not accepted for setopts:

 - numerical setopts accept CURLE_BAD_FUNCTION_ARGUMENT for funny input
 - the first setopt to an option accepts CURLE_NOT_BUILT_IN or
   CURLE_UNKNOWN_OPTION for when they are disabled/not built-in
 - there is an allowlist concept for some return code for some variables,
   managed at the top of the mk-lib1521.pl script

In curl.h: remove the OBSOLETE named values from the setopt list.

Closes #14634
@bagder bagder deleted the bagder/1521-NULL-check branch August 25, 2024 21:32
Comment on lines -1355 to +1354
/* OBSOLETE, do not use! */
CURLOPT(CURLOPT_OBSOLETE72, CURLOPTTYPE_LONG, 72),

/* 72 = OBSOLETE */
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Noticed in vpckg CI run on CURL HEAD:

CURLOPT_OBSOLETE72 is still used in the header for

#define CURLOPT_CLOSEPOLICY CURLOPT_OBSOLETE72

and CURLOPT_CLOSEPOLICY is used downstream in curlpp and curlcpp.

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