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authorChristian Heimes <christian@python.org>2017-02-22 11:12:00 (GMT)
committerVictor Stinner <victor.stinner@gmail.com>2017-02-22 11:12:00 (GMT)
commitd37c068e695f8ec72b5c1b5a5a5ece2337fda768 (patch)
tree6ee6d4e58277a96445e53b1ac02caa91e6a7ed4a /Modules/socketmodule.h
parent03f68b60e17b57f6f13729ff73245dbb37b30a4c (diff)
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Add sockaddr_alg to sock_addr_t (#234)
sock_addr_t is used to define the minimum size of any socket address on the stack. Let's make sure that an AF_ALG address always fits. Coverity complains because in theory, AF_ALG might be larger than any of the other structs. In practice it already fits. Closes Coverity CID 1398948, 1398949, 1398950 Signed-off-by: Christian Heimes <christian@python.org>
Diffstat (limited to 'Modules/socketmodule.h')
-rw-r--r--Modules/socketmodule.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/Modules/socketmodule.h b/Modules/socketmodule.h
index 3cce927..03f982b 100644
--- a/Modules/socketmodule.h
+++ b/Modules/socketmodule.h
@@ -98,6 +98,37 @@ typedef int socklen_t;
#include <sys/kern_control.h>
#endif
+#ifdef HAVE_SOCKADDR_ALG
+#include <linux/if_alg.h>
+#ifndef AF_ALG
+#define AF_ALG 38
+#endif
+#ifndef SOL_ALG
+#define SOL_ALG 279
+#endif
+
+/* Linux 3.19 */
+#ifndef ALG_SET_AEAD_ASSOCLEN
+#define ALG_SET_AEAD_ASSOCLEN 4
+#endif
+#ifndef ALG_SET_AEAD_AUTHSIZE
+#define ALG_SET_AEAD_AUTHSIZE 5
+#endif
+/* Linux 4.8 */
+#ifndef ALG_SET_PUBKEY
+#define ALG_SET_PUBKEY 6
+#endif
+
+#ifndef ALG_OP_SIGN
+#define ALG_OP_SIGN 2
+#endif
+#ifndef ALG_OP_VERIFY
+#define ALG_OP_VERIFY 3
+#endif
+
+#endif /* HAVE_SOCKADDR_ALG */
+
+
#ifndef Py__SOCKET_H
#define Py__SOCKET_H
#ifdef __cplusplus
@@ -159,6 +190,9 @@ typedef union sock_addr {
#ifdef HAVE_SYS_KERN_CONTROL_H
struct sockaddr_ctl ctl;
#endif
+#ifdef HAVE_SOCKADDR_ALG
+ struct sockaddr_alg alg;
+#endif
} sock_addr_t;
/* The object holding a socket. It holds some extra information,