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authorstratakis <cstratak@redhat.com>2018-01-23 16:11:24 +0100
committerVictor Stinner <victor.stinner@gmail.com>2018-01-23 16:11:24 +0100
commite768c86ef442ef89004089a8a34ce5909ffb90f2 (patch)
treed332469497ed5a11fb27db5c7dce129544766476
parent370d04d1dcca50a52d59f40aff4d11434f71df6b (diff)
downloadcpython-git-e768c86ef442ef89004089a8a34ce5909ffb90f2.tar.gz
bpo-32635: Fix a segfault when importing the crypt module with libxcrypt. (#5284)
glibc is deprecating libcrypt in favor of libxcrypt, however python assumes that crypt.h will always be included. This change makes the header inclusion explicit when libxcrypt is present on the system.
-rw-r--r--Include/Python.h3
-rw-r--r--Misc/NEWS.d/next/Build/2018-01-23-15-33-40.bpo-32635.qHwIZy.rst2
-rwxr-xr-xconfigure2
-rw-r--r--configure.ac2
-rw-r--r--pyconfig.h.in3
5 files changed, 10 insertions, 2 deletions
diff --git a/Include/Python.h b/Include/Python.h
index dd595ea5e4..1feb1531cc 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -35,6 +35,9 @@
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
+#ifdef HAVE_CRYPT_H
+#include <crypt.h>
+#endif
/* For size_t? */
#ifdef HAVE_STDDEF_H
diff --git a/Misc/NEWS.d/next/Build/2018-01-23-15-33-40.bpo-32635.qHwIZy.rst b/Misc/NEWS.d/next/Build/2018-01-23-15-33-40.bpo-32635.qHwIZy.rst
new file mode 100644
index 0000000000..d411890f5d
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2018-01-23-15-33-40.bpo-32635.qHwIZy.rst
@@ -0,0 +1,2 @@
+Fix segfault of the crypt module when libxcrypt is provided instead of
+libcrypt at the system.
diff --git a/configure b/configure
index a9b0ab9646..5904b54c3e 100755
--- a/configure
+++ b/configure
@@ -7682,7 +7682,7 @@ $as_echo "#define STDC_HEADERS 1" >>confdefs.h
fi
-for ac_header in asm/types.h conio.h direct.h dlfcn.h errno.h \
+for ac_header in asm/types.h crypt.h conio.h direct.h dlfcn.h errno.h \
fcntl.h grp.h \
ieeefp.h io.h langinfo.h libintl.h process.h pthread.h \
sched.h shadow.h signal.h stropts.h termios.h \
diff --git a/configure.ac b/configure.ac
index 03b0f501af..15ef872a53 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2041,7 +2041,7 @@ dnl AC_MSG_RESULT($cpp_type)
# checks for header files
AC_HEADER_STDC
-AC_CHECK_HEADERS(asm/types.h conio.h direct.h dlfcn.h errno.h \
+AC_CHECK_HEADERS(asm/types.h crypt.h conio.h direct.h dlfcn.h errno.h \
fcntl.h grp.h \
ieeefp.h io.h langinfo.h libintl.h process.h pthread.h \
sched.h shadow.h signal.h stropts.h termios.h \
diff --git a/pyconfig.h.in b/pyconfig.h.in
index dd7c62bad1..fd5a0c38d8 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -140,6 +140,9 @@
/* Define to 1 if you have the `copysign' function. */
#undef HAVE_COPYSIGN
+/* Define to 1 if you have the <crypt.h> header file. */
+#undef HAVE_CRYPT_H
+
/* Define to 1 if you have the `ctermid' function. */
#undef HAVE_CTERMID