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RFC 6265 section 4.2.1 does not set restrictions on cookie names.
This is a follow-up to commit 7f7fcd0.
Also explicitly check proper syntax of cookie name/value pair.
New test 1155 checks that cookie names are not reserved words.
Reported-By: anshnd at github
Fixes #2564
Closes #2566
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The jar should be written iff there are cookies, so ensure that we still
have cookies after expiration to avoid creating an empty file.
Closes #2529
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... since they return size_t anyway!
closes #2462
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closes #2458
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This fixes a segfault occurring when a name of the (invalid) form "domain..tld"
is processed.
test46 updated to cover this case.
Follow-up to commit c990ead.
Ref: https://github.com/curl/curl/pull/2440
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This makes libcurl handle thousands of cookies much better and speedier.
Closes #2440
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This drops the cookie load time for 8k cookies from 178ms to 15ms.
Closes #2441
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It was once used for some debugging/verifying logic but should never have
ended up in git!
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... when expiring old cookies.
Reported-by: Pavel Gushchin
Fixes #2032
Closes #2035
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... this will let the second occurance override the first.
Added test 1161 to verify.
Reported-by: Max Dymond
Fixes #1932
Closes #1933
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Regression brought by 2bc230de63b
Detected by OSS-fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3513
Assisted-by: Max Dymond
Closes #1930
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Closes #1896
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... instead of truncating them.
There's no fixed limit for acceptable cookie names in RFC 6265, but the
entire cookie is said to be less than 4096 bytes (section 6.1). This is
also what browsers seem to implement.
We now allow max 5000 bytes cookie header. Max 4095 bytes length per
cookie name and value. Name + value together may not exceed 4096 bytes.
Added test 1151 to verify
Bug: https://curl.haxx.se/mail/lib-2017-09/0062.html
Reported-by: Kevin Smith
Closes #1894
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... make sure we bail out on overflows.
Reported-by: Brian Carpenter
Closes #1758
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... by removing the else branch after a return, break or continue.
Closes #1310
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This repairs cookies for localhost.
Non-PSL builds will now only accept "localhost" without dots, while PSL
builds okeys everything not listed as PSL.
Added test 1258 to verify.
This was a regression brought in a76825a5efa6b4
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... they're already frowned upon in our source code style guide, this
now enforces the rule harder.
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... that will ignore lines that are too long to fit in the buffer.
CVE-2016-8615
Bug: https://curl.haxx.se/docs/adv_20161102A.html
Reported-by: Cure53
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We had some confusions on when each function was used. We should not act
differently on different locales anyway.
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... to make it less likely that we forget that the function actually
does case insentive compares. Also replaced several invokes of the
function with a plain strcmp when case sensitivity is not an issue (like
comparing with "-").
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Previously it only held references to them, which was reckless as the
thread lock was released so the cookies could get modified by other
handles that share the same cookie jar over the share interface.
CVE-2016-8623
Bug: https://curl.haxx.se/docs/adv_20161102I.html
Reported-by: Cure53
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Cokie with the same domain but different tailmatching property are now
considered different and do not replace each other. If header contains
following lines then two cookies will be set: Set-Cookie: foo=bar;
domain=.foo.com; expires=Thu Mar 3 GMT 8:56:27 2033 Set-Cookie: foo=baz;
domain=foo.com; expires=Thu Mar 3 GMT 8:56:27 2033
This matches Chrome, Opera, Safari, and Firefox behavior. When sending
stored tokens to foo.com Chrome, Opera, Firefox store send them in the
stored order, while Safari pre-sort the cookies.
Closes #1050
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Closes https://github.com/curl/curl/pull/911
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curl_printf.h defines printf to curl_mprintf, etc. This can cause
problems with external headers which may use
__attribute__((format(printf, ...))) markers etc.
To avoid that they cause problems with system includes, we include
curl_printf.h after any system headers. That makes the three last
headers to always be, and we keep them in this order:
curl_printf.h
curl_memory.h
memdebug.h
None of them include system headers, they all do funny #defines.
Reported-by: David Benjamin
Fixes #743
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RFC 6265 section 4.1.1 spells out that the first name/value pair in the
header is the actual cookie name and content, while the following are
the parameters.
libcurl previously had a more liberal approach which causes significant
problems when introducing new cookie parameters, like the suggested new
cookie priority draft.
The previous logic read all n/v pairs from left-to-right and the first
name used that wassn't a known parameter name would be used as the
cookie name, thus accepting "Set-Cookie: Max-Age=2; person=daniel" to be
a cookie named 'person' while an RFC 6265 compliant parser should
consider that to be a cookie named 'Max-Age' with an (unknown) parameter
'person'.
Fixes #709
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Closes #658
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Prior to this change cookies with an expiry date that failed parsing
and were converted to session cookies could be purged in remove_expired.
Bug: https://github.com/curl/curl/issues/697
Reported-by: Seth Mos
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... as it was already checked previously within the function.
Reported-by: Dmitry-Me
Closes #695
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It turns out Firefox and Chrome both allow spaces in cookie names and
there are sites out there using that.
Turned out the code meant to strip off trailing space from cookie names
didn't work. Fixed now.
Test case 8 modified to verify both these changes.
Closes #639
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Use libpsl to check the domain value of Set-Cookie headers (and cookie
jar entries) for not being a Publix Suffix.
The configure script checks for "libpsl" by default. Disable the check
with --without-libpsl.
Ref: https://publicsuffix.org/
Ref: https://github.com/publicsuffix/list
Ref: https://github.com/rockdaboot/libpsl
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In 3013bb6 I had changed cookie export to ignore any-domain cookies,
however the logic I used to do so was incorrect, and would lead to a
busy loop in the case of exporting a cookie list that contained
any-domain cookies. The result of that is worse though, because in that
case the other cookies would not be written resulting in an empty file
once the application is terminated to stop the busy loop.
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Prior to this change any-domain cookies (cookies without a domain that
are sent to any domain) were exported with domain name "unknown".
Bug: https://github.com/bagder/curl/issues/292
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- Change fopen calls to use FOPEN_READTEXT instead of "r" or "rt"
- Change fopen calls to use FOPEN_WRITETEXT instead of "w" or "wt"
This change is to explicitly specify when we need to read/write text.
Unfortunately 't' is not part of POSIX fopen so we can't specify it
directly. Instead we now have FOPEN_READTEXT, FOPEN_WRITETEXT.
Prior to this change we had an issue on Windows if an application that
uses libcurl overrides the default file mode to binary. The default file
mode in Windows is normally text mode (translation mode) and that's what
libcurl expects.
Bug: https://github.com/bagder/curl/pull/258#issuecomment-107093055
Reported-by: Orgad Shaneh
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The internal libcurl function called sanitize_cookie_path() that cleans
up the path element as given to it from a remote site or when read from
a file, did not properly validate the input. If given a path that
consisted of a single double-quote, libcurl would index a newly
allocated memory area with index -1 and assign a zero to it, thus
destroying heap memory it wasn't supposed to.
CVE-2015-3145
Bug: http://curl.haxx.se/docs/adv_20150422C.html
Reported-by: Hanno Böck
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"name =value" is fine and the space should just be skipped.
Updated test 31 to also test for this.
Bug: https://github.com/bagder/curl/issues/195
Reported-by: cromestant
Help-by: Frank Gevaerts
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This header file must be included after all header files except
memdebug.h, as it does similar memory function redefinitions and can be
similarly affected by conflicting definitions in system or dependent
library headers.
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Since we just started make use of free(NULL) in order to simplify code,
this change takes it a step further and:
- converts lots of Curl_safefree() calls to good old free()
- makes Curl_safefree() not check the pointer before free()
The (new) rule of thumb is: if you really want a function call that
frees a pointer and then assigns it to NULL, then use Curl_safefree().
But we will prefer just using free() from now on.
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The function "free" is documented in the way that no action shall occur for
a passed null pointer. It is therefore not needed that a function caller
repeats a corresponding check.
http://stackoverflow.com/questions/18775608/free-a-null-pointer-anyway-or-check-first
This issue was fixed by using the software Coccinelle 1.0.0-rc24.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
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... and as a consequence, introduce curl_printf.h with that re-define
magic instead and make all libcurl code use that instead.
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This fixes the test 506 torture test. The internal cookie API really
ought to be improved to separate cookie parsing errors (which may be
ignored) with OOM errors (which should be fatal).
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Also, fixed the outdated comments on the cookie API.
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Test 61 was modified to verify this.
CVE-2014-3620
Reported-by: Tim Ruehsen
URL: http://curl.haxx.se/docs/adv_20140910B.html
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By not detecting and rejecting domain names for partial literal IP
addresses properly when parsing received HTTP cookies, libcurl can be
fooled to both send cookies to wrong sites and to allow arbitrary sites
to set cookies for others.
CVE-2014-3613
Bug: http://curl.haxx.se/docs/adv_20140910A.html
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1 - allow >31 bit max-age values
2 - don't overflow on extremely large max-age values when we add the
value to the current time
3 - make sure max-age takes precedence over expires as dictated by
RFC6265
Bug: http://curl.haxx.se/mail/lib-2014-01/0130.html
Reported-by: Chen Prog
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