diff options
author | Matthieu Herrb <matthieu@herrb.eu> | 2017-02-28 19:18:25 +0100 |
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committer | Adam Jackson <ajax@redhat.com> | 2017-02-28 14:18:26 -0500 |
commit | 3f61c7a09b220805ee6778f4bf2f429e3df8e37a (patch) | |
tree | 4b119438f15df58a307b668a34cb7bbac6eb4566 /include | |
parent | b5c98aa6779b97882246b03c5dea646bd1355991 (diff) |
Use timingsafe_memcmp() to compare MIT-MAGIC-COOKIES CVE-2017-2624
Provide the function definition for systems that don't have it.
Signed-off-by: Matthieu Herrb <matthieu@herrb.eu>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
(cherry picked from commit d7ac755f0b618eb1259d93c8a16ec6e39a18627c)
Diffstat (limited to 'include')
-rw-r--r-- | include/dix-config.h.in | 3 | ||||
-rw-r--r-- | include/os.h | 5 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/dix-config.h.in b/include/dix-config.h.in index 4f020e5d8..4b86c1a3c 100644 --- a/include/dix-config.h.in +++ b/include/dix-config.h.in @@ -238,6 +238,9 @@ /* Define to 1 if you have the <sys/utsname.h> header file. */ #undef HAVE_SYS_UTSNAME_H +/* Define to 1 if you have the `timingsafe_memcmp' function. */ +#undef HAVE_TIMINGSAFE_MEMCMP + /* Define to 1 if you have the <tslib.h> header file. */ #undef HAVE_TSLIB_H diff --git a/include/os.h b/include/os.h index d2c41b402..aa231f550 100644 --- a/include/os.h +++ b/include/os.h @@ -590,6 +590,11 @@ extern _X_EXPORT char * strndup(const char *str, size_t n); #endif +#ifndef HAVE_TIMINGSAFE_MEMCMP +extern _X_EXPORT int +timingsafe_memcmp(const void *b1, const void *b2, size_t len); +#endif + /* Logging. */ typedef enum _LogParameter { XLOG_FLUSH, |