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-rw-r--r--src/lib/libcrypto/arch/alpha/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/amd64/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/arm/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/hppa/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/hppa64/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/i386/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/m88k/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/mips64/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/powerpc/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/sh/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/sparc/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/sparc64/opensslconf.h1
-rw-r--r--src/lib/libcrypto/arch/vax/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/alpha/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/amd64/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/arm/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/hppa/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/hppa64/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/i386/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/m88k/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/mips64/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/powerpc/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/sh/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/sparc/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/sparc64/opensslconf.h1
-rw-r--r--src/lib/libcrypto/crypto/arch/vax/opensslconf.h1
-rw-r--r--src/lib/libcrypto/doc/engine.pod8
-rw-r--r--src/lib/libcrypto/engine/eng_all.c3
-rw-r--r--src/lib/libcrypto/engine/eng_dyn.c487
-rw-r--r--src/lib/libcrypto/engine/eng_list.c30
-rw-r--r--src/lib/libssl/src/crypto/engine/eng_all.c3
-rw-r--r--src/lib/libssl/src/crypto/engine/eng_dyn.c487
-rw-r--r--src/lib/libssl/src/crypto/engine/eng_list.c30
-rw-r--r--src/lib/libssl/src/doc/crypto/engine.pod8
34 files changed, 22 insertions, 1060 deletions
diff --git a/src/lib/libcrypto/arch/alpha/opensslconf.h b/src/lib/libcrypto/arch/alpha/opensslconf.h
index 6e1e9b6f53..a74c6df644 100644
--- a/src/lib/libcrypto/arch/alpha/opensslconf.h
+++ b/src/lib/libcrypto/arch/alpha/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/amd64/opensslconf.h b/src/lib/libcrypto/arch/amd64/opensslconf.h
index c64d4d336c..cbd5d53ca4 100644
--- a/src/lib/libcrypto/arch/amd64/opensslconf.h
+++ b/src/lib/libcrypto/arch/amd64/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/arm/opensslconf.h b/src/lib/libcrypto/arch/arm/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/arch/arm/opensslconf.h
+++ b/src/lib/libcrypto/arch/arm/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/hppa/opensslconf.h b/src/lib/libcrypto/arch/hppa/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/arch/hppa/opensslconf.h
+++ b/src/lib/libcrypto/arch/hppa/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/hppa64/opensslconf.h b/src/lib/libcrypto/arch/hppa64/opensslconf.h
index 73df98a2b5..54b8f59b76 100644
--- a/src/lib/libcrypto/arch/hppa64/opensslconf.h
+++ b/src/lib/libcrypto/arch/hppa64/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/i386/opensslconf.h b/src/lib/libcrypto/arch/i386/opensslconf.h
index e47000cf63..37137ff102 100644
--- a/src/lib/libcrypto/arch/i386/opensslconf.h
+++ b/src/lib/libcrypto/arch/i386/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/m88k/opensslconf.h b/src/lib/libcrypto/arch/m88k/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/arch/m88k/opensslconf.h
+++ b/src/lib/libcrypto/arch/m88k/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/mips64/opensslconf.h b/src/lib/libcrypto/arch/mips64/opensslconf.h
index 52159f3013..ef7a679d94 100644
--- a/src/lib/libcrypto/arch/mips64/opensslconf.h
+++ b/src/lib/libcrypto/arch/mips64/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/powerpc/opensslconf.h b/src/lib/libcrypto/arch/powerpc/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/arch/powerpc/opensslconf.h
+++ b/src/lib/libcrypto/arch/powerpc/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/sh/opensslconf.h b/src/lib/libcrypto/arch/sh/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/arch/sh/opensslconf.h
+++ b/src/lib/libcrypto/arch/sh/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/sparc/opensslconf.h b/src/lib/libcrypto/arch/sparc/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/arch/sparc/opensslconf.h
+++ b/src/lib/libcrypto/arch/sparc/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/sparc64/opensslconf.h b/src/lib/libcrypto/arch/sparc64/opensslconf.h
index 52159f3013..ef7a679d94 100644
--- a/src/lib/libcrypto/arch/sparc64/opensslconf.h
+++ b/src/lib/libcrypto/arch/sparc64/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/arch/vax/opensslconf.h b/src/lib/libcrypto/arch/vax/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/arch/vax/opensslconf.h
+++ b/src/lib/libcrypto/arch/vax/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/alpha/opensslconf.h b/src/lib/libcrypto/crypto/arch/alpha/opensslconf.h
index 6e1e9b6f53..a74c6df644 100644
--- a/src/lib/libcrypto/crypto/arch/alpha/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/alpha/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/amd64/opensslconf.h b/src/lib/libcrypto/crypto/arch/amd64/opensslconf.h
index c64d4d336c..cbd5d53ca4 100644
--- a/src/lib/libcrypto/crypto/arch/amd64/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/amd64/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/arm/opensslconf.h b/src/lib/libcrypto/crypto/arch/arm/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/crypto/arch/arm/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/arm/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/hppa/opensslconf.h b/src/lib/libcrypto/crypto/arch/hppa/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/crypto/arch/hppa/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/hppa/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/hppa64/opensslconf.h b/src/lib/libcrypto/crypto/arch/hppa64/opensslconf.h
index 73df98a2b5..54b8f59b76 100644
--- a/src/lib/libcrypto/crypto/arch/hppa64/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/hppa64/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/i386/opensslconf.h b/src/lib/libcrypto/crypto/arch/i386/opensslconf.h
index e47000cf63..37137ff102 100644
--- a/src/lib/libcrypto/crypto/arch/i386/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/i386/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/m88k/opensslconf.h b/src/lib/libcrypto/crypto/arch/m88k/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/crypto/arch/m88k/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/m88k/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/mips64/opensslconf.h b/src/lib/libcrypto/crypto/arch/mips64/opensslconf.h
index 52159f3013..ef7a679d94 100644
--- a/src/lib/libcrypto/crypto/arch/mips64/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/mips64/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/powerpc/opensslconf.h b/src/lib/libcrypto/crypto/arch/powerpc/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/crypto/arch/powerpc/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/powerpc/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/sh/opensslconf.h b/src/lib/libcrypto/crypto/arch/sh/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/crypto/arch/sh/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/sh/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/sparc/opensslconf.h b/src/lib/libcrypto/crypto/arch/sparc/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/crypto/arch/sparc/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/sparc/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/sparc64/opensslconf.h b/src/lib/libcrypto/crypto/arch/sparc64/opensslconf.h
index 52159f3013..ef7a679d94 100644
--- a/src/lib/libcrypto/crypto/arch/sparc64/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/sparc64/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/crypto/arch/vax/opensslconf.h b/src/lib/libcrypto/crypto/arch/vax/opensslconf.h
index afbd54ed3d..e3795ce73a 100644
--- a/src/lib/libcrypto/crypto/arch/vax/opensslconf.h
+++ b/src/lib/libcrypto/crypto/arch/vax/opensslconf.h
@@ -5,7 +5,6 @@
5#undef I386_ONLY 5#undef I386_ONLY
6 6
7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR) 7#if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
8#define ENGINESDIR "/usr/lib/engines"
9#define OPENSSLDIR "/etc/ssl" 8#define OPENSSLDIR "/etc/ssl"
10#endif 9#endif
11 10
diff --git a/src/lib/libcrypto/doc/engine.pod b/src/lib/libcrypto/doc/engine.pod
index 4a6ee59138..578a702371 100644
--- a/src/lib/libcrypto/doc/engine.pod
+++ b/src/lib/libcrypto/doc/engine.pod
@@ -309,11 +309,11 @@ consideration is whether any/all available ENGINE implementations should be
309made visible to OpenSSL - this is controlled by calling the various "load" 309made visible to OpenSSL - this is controlled by calling the various "load"
310functions, eg. 310functions, eg.
311 311
312 /* Make the "dynamic" ENGINE available */
313 void ENGINE_load_dynamic(void);
314 ...
315 /* Make ALL ENGINE implementations bundled with OpenSSL available */ 312 /* Make ALL ENGINE implementations bundled with OpenSSL available */
316 void ENGINE_load_builtin_engines(void); 313 ENGINE_load_builtin_engines();
314
315Note that ENGINE_load_dynamic(void) is a placeholder and does not enable
316dynamic engine loading support.
317 317
318Having called any of these functions, ENGINE objects would have been 318Having called any of these functions, ENGINE objects would have been
319dynamically allocated and populated with these implementations and linked 319dynamically allocated and populated with these implementations and linked
diff --git a/src/lib/libcrypto/engine/eng_all.c b/src/lib/libcrypto/engine/eng_all.c
index 014bcb132e..b428300e76 100644
--- a/src/lib/libcrypto/engine/eng_all.c
+++ b/src/lib/libcrypto/engine/eng_all.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: eng_all.c,v 1.27 2015/02/07 13:19:15 doug Exp $ */ 1/* $OpenBSD: eng_all.c,v 1.28 2015/06/19 06:05:11 bcook Exp $ */
2/* Written by Richard Levitte <richard@levitte.org> for the OpenSSL 2/* Written by Richard Levitte <richard@levitte.org> for the OpenSSL
3 * project 2000. 3 * project 2000.
4 */ 4 */
@@ -70,7 +70,6 @@ ENGINE_load_builtin_engines(void)
70#ifndef OPENSSL_NO_RSAX 70#ifndef OPENSSL_NO_RSAX
71 ENGINE_load_rsax(); 71 ENGINE_load_rsax();
72#endif 72#endif
73 ENGINE_load_dynamic();
74#ifndef OPENSSL_NO_STATIC_ENGINE 73#ifndef OPENSSL_NO_STATIC_ENGINE
75#ifndef OPENSSL_NO_HW 74#ifndef OPENSSL_NO_HW
76#ifndef OPENSSL_NO_HW_PADLOCK 75#ifndef OPENSSL_NO_HW_PADLOCK
diff --git a/src/lib/libcrypto/engine/eng_dyn.c b/src/lib/libcrypto/engine/eng_dyn.c
index c78d9f6856..400ce72681 100644
--- a/src/lib/libcrypto/engine/eng_dyn.c
+++ b/src/lib/libcrypto/engine/eng_dyn.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: eng_dyn.c,v 1.13 2015/02/11 03:19:37 doug Exp $ */ 1/* $OpenBSD: eng_dyn.c,v 1.14 2015/06/19 06:05:11 bcook Exp $ */
2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL 2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
3 * project 2001. 3 * project 2001.
4 */ 4 */
@@ -56,492 +56,9 @@
56 * 56 *
57 */ 57 */
58 58
59#include <string.h> 59#include <openssl/engine.h>
60
61#include <openssl/err.h>
62
63#include "eng_int.h"
64#include <openssl/dso.h>
65
66/* Shared libraries implementing ENGINEs for use by the "dynamic" ENGINE loader
67 * should implement the hook-up functions with the following prototypes. */
68
69/* Our ENGINE handlers */
70static int dynamic_init(ENGINE *e);
71static int dynamic_finish(ENGINE *e);
72static int dynamic_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
73/* Predeclare our context type */
74typedef struct st_dynamic_data_ctx dynamic_data_ctx;
75/* The implementation for the important control command */
76static int dynamic_load(ENGINE *e, dynamic_data_ctx *ctx);
77
78#define DYNAMIC_CMD_SO_PATH ENGINE_CMD_BASE
79#define DYNAMIC_CMD_NO_VCHECK (ENGINE_CMD_BASE + 1)
80#define DYNAMIC_CMD_ID (ENGINE_CMD_BASE + 2)
81#define DYNAMIC_CMD_LIST_ADD (ENGINE_CMD_BASE + 3)
82#define DYNAMIC_CMD_DIR_LOAD (ENGINE_CMD_BASE + 4)
83#define DYNAMIC_CMD_DIR_ADD (ENGINE_CMD_BASE + 5)
84#define DYNAMIC_CMD_LOAD (ENGINE_CMD_BASE + 6)
85
86/* The constants used when creating the ENGINE */
87static const char *engine_dynamic_id = "dynamic";
88static const char *engine_dynamic_name = "Dynamic engine loading support";
89static const ENGINE_CMD_DEFN dynamic_cmd_defns[] = {
90 {
91 DYNAMIC_CMD_SO_PATH,
92 "SO_PATH",
93 "Specifies the path to the new ENGINE shared library",
94 ENGINE_CMD_FLAG_STRING},
95 {
96 DYNAMIC_CMD_NO_VCHECK,
97 "NO_VCHECK",
98 "Specifies to continue even if version checking fails (boolean)",
99 ENGINE_CMD_FLAG_NUMERIC},
100 {
101 DYNAMIC_CMD_ID,
102 "ID",
103 "Specifies an ENGINE id name for loading",
104 ENGINE_CMD_FLAG_STRING},
105 {
106 DYNAMIC_CMD_LIST_ADD,
107 "LIST_ADD",
108 "Whether to add a loaded ENGINE to the internal list (0=no,1=yes,2=mandatory)",
109 ENGINE_CMD_FLAG_NUMERIC},
110 {
111 DYNAMIC_CMD_DIR_LOAD,
112 "DIR_LOAD",
113 "Specifies whether to load from 'DIR_ADD' directories (0=no,1=yes,2=mandatory)",
114 ENGINE_CMD_FLAG_NUMERIC},
115 {
116 DYNAMIC_CMD_DIR_ADD,
117 "DIR_ADD",
118 "Adds a directory from which ENGINEs can be loaded",
119 ENGINE_CMD_FLAG_STRING},
120 {
121 DYNAMIC_CMD_LOAD,
122 "LOAD",
123 "Load up the ENGINE specified by other settings",
124 ENGINE_CMD_FLAG_NO_INPUT},
125
126 {0, NULL, NULL, 0}
127};
128
129/* Loading code stores state inside the ENGINE structure via the "ex_data"
130 * element. We load all our state into a single structure and use that as a
131 * single context in the "ex_data" stack. */
132struct st_dynamic_data_ctx {
133 /* The DSO object we load that supplies the ENGINE code */
134 DSO *dynamic_dso;
135 /* The function pointer to the version checking shared library function */
136 dynamic_v_check_fn v_check;
137 /* The function pointer to the engine-binding shared library function */
138 dynamic_bind_engine bind_engine;
139 /* The default name/path for loading the shared library */
140 const char *DYNAMIC_LIBNAME;
141 /* Whether to continue loading on a version check failure */
142 int no_vcheck;
143 /* If non-NULL, stipulates the 'id' of the ENGINE to be loaded */
144 const char *engine_id;
145 /* If non-zero, a successfully loaded ENGINE should be added to the internal
146 * ENGINE list. If 2, the add must succeed or the entire load should fail. */
147 int list_add_value;
148 /* The symbol name for the version checking function */
149 const char *DYNAMIC_F1;
150 /* The symbol name for the "initialise ENGINE structure" function */
151 const char *DYNAMIC_F2;
152 /* Whether to never use 'dirs', use 'dirs' as a fallback, or only use
153 * 'dirs' for loading. Default is to use 'dirs' as a fallback. */
154 int dir_load;
155 /* A stack of directories from which ENGINEs could be loaded */
156 STACK_OF(OPENSSL_STRING) *dirs;
157};
158
159/* This is the "ex_data" index we obtain and reserve for use with our context
160 * structure. */
161static int dynamic_ex_data_idx = -1;
162
163static void
164int_free_str(char *s)
165{
166 free(s);
167}
168
169/* Because our ex_data element may or may not get allocated depending on whether
170 * a "first-use" occurs before the ENGINE is freed, we have a memory leak
171 * problem to solve. We can't declare a "new" handler for the ex_data as we
172 * don't want a dynamic_data_ctx in *all* ENGINE structures of all types (this
173 * is a bug in the design of CRYPTO_EX_DATA). As such, we just declare a "free"
174 * handler and that will get called if an ENGINE is being destroyed and there
175 * was an ex_data element corresponding to our context type. */
176static void
177dynamic_data_ctx_free_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
178 int idx, long argl, void *argp)
179{
180 if (ptr) {
181 dynamic_data_ctx *ctx = (dynamic_data_ctx *)ptr;
182 if (ctx->dynamic_dso)
183 DSO_free(ctx->dynamic_dso);
184 free((void *)ctx->DYNAMIC_LIBNAME);
185 free((void *)ctx->engine_id);
186 if (ctx->dirs)
187 sk_OPENSSL_STRING_pop_free(ctx->dirs, int_free_str);
188 free(ctx);
189 }
190}
191
192/* Construct the per-ENGINE context. We create it blindly and then use a lock to
193 * check for a race - if so, all but one of the threads "racing" will have
194 * wasted their time. The alternative involves creating everything inside the
195 * lock which is far worse. */
196static int
197dynamic_set_data_ctx(ENGINE *e, dynamic_data_ctx **ctx)
198{
199 dynamic_data_ctx *c;
200
201 c = malloc(sizeof(dynamic_data_ctx));
202 if (!c) {
203 ENGINEerr(ENGINE_F_DYNAMIC_SET_DATA_CTX, ERR_R_MALLOC_FAILURE);
204 return 0;
205 }
206 memset(c, 0, sizeof(dynamic_data_ctx));
207 c->dynamic_dso = NULL;
208 c->v_check = NULL;
209 c->bind_engine = NULL;
210 c->DYNAMIC_LIBNAME = NULL;
211 c->no_vcheck = 0;
212 c->engine_id = NULL;
213 c->list_add_value = 0;
214 c->DYNAMIC_F1 = "v_check";
215 c->DYNAMIC_F2 = "bind_engine";
216 c->dir_load = 1;
217 c->dirs = sk_OPENSSL_STRING_new_null();
218 if (!c->dirs) {
219 ENGINEerr(ENGINE_F_DYNAMIC_SET_DATA_CTX, ERR_R_MALLOC_FAILURE);
220 free(c);
221 return 0;
222 }
223 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
224 if ((*ctx = (dynamic_data_ctx *)ENGINE_get_ex_data(e,
225 dynamic_ex_data_idx)) == NULL) {
226 /* Good, we're the first */
227 ENGINE_set_ex_data(e, dynamic_ex_data_idx, c);
228 *ctx = c;
229 c = NULL;
230 }
231 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
232 /* If we lost the race to set the context, c is non-NULL and *ctx is the
233 * context of the thread that won. */
234 free(c);
235 return 1;
236}
237
238/* This function retrieves the context structure from an ENGINE's "ex_data", or
239 * if it doesn't exist yet, sets it up. */
240static dynamic_data_ctx *
241dynamic_get_data_ctx(ENGINE *e)
242{
243 dynamic_data_ctx *ctx;
244 if (dynamic_ex_data_idx < 0) {
245 /* Create and register the ENGINE ex_data, and associate our
246 * "free" function with it to ensure any allocated contexts get
247 * freed when an ENGINE goes underground. */
248 int new_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL,
249 dynamic_data_ctx_free_func);
250 if (new_idx == -1) {
251 ENGINEerr(ENGINE_F_DYNAMIC_GET_DATA_CTX,
252 ENGINE_R_NO_INDEX);
253 return NULL;
254 }
255 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
256 /* Avoid a race by checking again inside this lock */
257 if (dynamic_ex_data_idx < 0) {
258 /* Good, someone didn't beat us to it */
259 dynamic_ex_data_idx = new_idx;
260 new_idx = -1;
261 }
262 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
263 /* In theory we could "give back" the index here if
264 * (new_idx>-1), but it's not possible and wouldn't gain us much
265 * if it were. */
266 }
267 ctx = (dynamic_data_ctx *)ENGINE_get_ex_data(e, dynamic_ex_data_idx);
268 /* Check if the context needs to be created */
269 if ((ctx == NULL) && !dynamic_set_data_ctx(e, &ctx))
270 /* "set_data" will set errors if necessary */
271 return NULL;
272 return ctx;
273}
274
275static ENGINE *
276engine_dynamic(void)
277{
278 ENGINE *ret = ENGINE_new();
279
280 if (!ret)
281 return NULL;
282
283 if (!ENGINE_set_id(ret, engine_dynamic_id) ||
284 !ENGINE_set_name(ret, engine_dynamic_name) ||
285 !ENGINE_set_init_function(ret, dynamic_init) ||
286 !ENGINE_set_finish_function(ret, dynamic_finish) ||
287 !ENGINE_set_ctrl_function(ret, dynamic_ctrl) ||
288 !ENGINE_set_flags(ret, ENGINE_FLAGS_BY_ID_COPY) ||
289 !ENGINE_set_cmd_defns(ret, dynamic_cmd_defns)) {
290 ENGINE_free(ret);
291 return NULL;
292 }
293 return ret;
294}
295 60
296void 61void
297ENGINE_load_dynamic(void) 62ENGINE_load_dynamic(void)
298{ 63{
299 ENGINE *toadd = engine_dynamic();
300
301 if (!toadd)
302 return;
303
304 ENGINE_add(toadd);
305 /* If the "add" worked, it gets a structural reference. So either way,
306 * we release our just-created reference. */
307 ENGINE_free(toadd);
308 /* If the "add" didn't work, it was probably a conflict because it was
309 * already added (eg. someone calling ENGINE_load_blah then calling
310 * ENGINE_load_builtin_engines() perhaps). */
311 ERR_clear_error();
312}
313
314static int
315dynamic_init(ENGINE *e)
316{
317 /* We always return failure - the "dyanamic" engine itself can't be used
318 * for anything. */
319 return 0;
320}
321
322static int
323dynamic_finish(ENGINE *e)
324{
325 /* This should never be called on account of "dynamic_init" always
326 * failing. */
327 return 0;
328}
329
330static int
331dynamic_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
332{
333 dynamic_data_ctx *ctx = dynamic_get_data_ctx(e);
334 int initialised;
335
336 if (!ctx) {
337 ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_NOT_LOADED);
338 return 0;
339 }
340 initialised = ((ctx->dynamic_dso == NULL) ? 0 : 1);
341 /* All our control commands require the ENGINE to be uninitialised */
342 if (initialised) {
343 ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_ALREADY_LOADED);
344 return 0;
345 }
346 switch (cmd) {
347 case DYNAMIC_CMD_SO_PATH:
348 /* a NULL 'p' or a string of zero-length is the same thing */
349 if (p && (strlen((const char *)p) < 1))
350 p = NULL;
351 free((void *)ctx->DYNAMIC_LIBNAME);
352 if (p)
353 ctx->DYNAMIC_LIBNAME = strdup(p);
354 else
355 ctx->DYNAMIC_LIBNAME = NULL;
356 return (ctx->DYNAMIC_LIBNAME ? 1 : 0);
357 case DYNAMIC_CMD_NO_VCHECK:
358 ctx->no_vcheck = ((i == 0) ? 0 : 1);
359 return 1;
360 case DYNAMIC_CMD_ID:
361 /* a NULL 'p' or a string of zero-length is the same thing */
362 if (p && (strlen((const char *)p) < 1))
363 p = NULL;
364 free((void *)ctx->engine_id);
365 if (p)
366 ctx->engine_id = strdup(p);
367 else
368 ctx->engine_id = NULL;
369 return (ctx->engine_id ? 1 : 0);
370 case DYNAMIC_CMD_LIST_ADD:
371 if ((i < 0) || (i > 2)) {
372 ENGINEerr(ENGINE_F_DYNAMIC_CTRL,
373 ENGINE_R_INVALID_ARGUMENT);
374 return 0;
375 }
376 ctx->list_add_value = (int)i;
377 return 1;
378 case DYNAMIC_CMD_LOAD:
379 return dynamic_load(e, ctx);
380 case DYNAMIC_CMD_DIR_LOAD:
381 if ((i < 0) || (i > 2)) {
382 ENGINEerr(ENGINE_F_DYNAMIC_CTRL,
383 ENGINE_R_INVALID_ARGUMENT);
384 return 0;
385 }
386 ctx->dir_load = (int)i;
387 return 1;
388 case DYNAMIC_CMD_DIR_ADD:
389 /* a NULL 'p' or a string of zero-length is the same thing */
390 if (!p || (strlen((const char *)p) < 1)) {
391 ENGINEerr(ENGINE_F_DYNAMIC_CTRL,
392 ENGINE_R_INVALID_ARGUMENT);
393 return 0;
394 }
395 {
396 char *tmp_str = strdup(p);
397 if (!tmp_str) {
398 ENGINEerr(ENGINE_F_DYNAMIC_CTRL,
399 ERR_R_MALLOC_FAILURE);
400 return 0;
401 }
402 sk_OPENSSL_STRING_insert(ctx->dirs, tmp_str, -1);
403 }
404 return 1;
405 default:
406 break;
407 }
408 ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
409 return 0;
410}
411
412static int
413int_load(dynamic_data_ctx *ctx)
414{
415 int num, loop;
416
417 /* Unless told not to, try a direct load */
418 if ((ctx->dir_load != 2) && (DSO_load(ctx->dynamic_dso,
419 ctx->DYNAMIC_LIBNAME, NULL, 0)) != NULL)
420 return 1;
421 /* If we're not allowed to use 'dirs' or we have none, fail */
422 if (!ctx->dir_load || (num = sk_OPENSSL_STRING_num(ctx->dirs)) < 1)
423 return 0;
424 for (loop = 0; loop < num; loop++) {
425 const char *s = sk_OPENSSL_STRING_value(ctx->dirs, loop);
426 char *merge = DSO_merge(ctx->dynamic_dso,
427 ctx->DYNAMIC_LIBNAME, s);
428 if (!merge)
429 return 0;
430 if (DSO_load(ctx->dynamic_dso, merge, NULL, 0)) {
431 /* Found what we're looking for */
432 free(merge);
433 return 1;
434 }
435 free(merge);
436 }
437 return 0;
438}
439
440static int
441dynamic_load(ENGINE *e, dynamic_data_ctx *ctx)
442{
443 ENGINE cpy;
444 dynamic_fns fns;
445
446 if (!ctx->dynamic_dso)
447 ctx->dynamic_dso = DSO_new();
448 if (!ctx->DYNAMIC_LIBNAME) {
449 if (!ctx->engine_id)
450 return 0;
451 ctx->DYNAMIC_LIBNAME = DSO_convert_filename(ctx->dynamic_dso,
452 ctx->engine_id);
453 }
454 if (!int_load(ctx)) {
455 ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
456 ENGINE_R_DSO_NOT_FOUND);
457 DSO_free(ctx->dynamic_dso);
458 ctx->dynamic_dso = NULL;
459 return 0;
460 }
461 /* We have to find a bind function otherwise it'll always end badly */
462 if (!(ctx->bind_engine = (dynamic_bind_engine)DSO_bind_func(
463 ctx->dynamic_dso, ctx->DYNAMIC_F2))) {
464 ctx->bind_engine = NULL;
465 DSO_free(ctx->dynamic_dso);
466 ctx->dynamic_dso = NULL;
467 ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
468 ENGINE_R_DSO_FAILURE);
469 return 0;
470 }
471 /* Do we perform version checking? */
472 if (!ctx->no_vcheck) {
473 unsigned long vcheck_res = 0;
474 /* Now we try to find a version checking function and decide how
475 * to cope with failure if/when it fails. */
476 ctx->v_check = (dynamic_v_check_fn)DSO_bind_func(
477 ctx->dynamic_dso, ctx->DYNAMIC_F1);
478 if (ctx->v_check)
479 vcheck_res = ctx->v_check(OSSL_DYNAMIC_VERSION);
480 /* We fail if the version checker veto'd the load *or* if it is
481 * deferring to us (by returning its version) and we think it is
482 * too old. */
483 if (vcheck_res < OSSL_DYNAMIC_OLDEST) {
484 /* Fail */
485 ctx->bind_engine = NULL;
486 ctx->v_check = NULL;
487 DSO_free(ctx->dynamic_dso);
488 ctx->dynamic_dso = NULL;
489 ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
490 ENGINE_R_VERSION_INCOMPATIBILITY);
491 return 0;
492 }
493 }
494 /* First binary copy the ENGINE structure so that we can roll back if
495 * the hand-over fails */
496 memcpy(&cpy, e, sizeof(ENGINE));
497 /* Provide the ERR, "ex_data", memory, and locking callbacks so the
498 * loaded library uses our state rather than its own. FIXME: As noted in
499 * engine.h, much of this would be simplified if each area of code
500 * provided its own "summary" structure of all related callbacks. It
501 * would also increase opaqueness. */
502 fns.static_state = ENGINE_get_static_state();
503 fns.err_fns = ERR_get_implementation();
504 fns.ex_data_fns = CRYPTO_get_ex_data_implementation();
505 CRYPTO_get_mem_functions(&fns.mem_fns.malloc_cb,
506 &fns.mem_fns.realloc_cb,
507 &fns.mem_fns.free_cb);
508 fns.lock_fns.lock_locking_cb = CRYPTO_get_locking_callback();
509 fns.lock_fns.lock_add_lock_cb = CRYPTO_get_add_lock_callback();
510 fns.lock_fns.dynlock_create_cb = CRYPTO_get_dynlock_create_callback();
511 fns.lock_fns.dynlock_lock_cb = CRYPTO_get_dynlock_lock_callback();
512 fns.lock_fns.dynlock_destroy_cb = CRYPTO_get_dynlock_destroy_callback();
513 /* Now that we've loaded the dynamic engine, make sure no "dynamic"
514 * ENGINE elements will show through. */
515 engine_set_all_null(e);
516
517 /* Try to bind the ENGINE onto our own ENGINE structure */
518 if (!ctx->bind_engine(e, ctx->engine_id, &fns)) {
519 ctx->bind_engine = NULL;
520 ctx->v_check = NULL;
521 DSO_free(ctx->dynamic_dso);
522 ctx->dynamic_dso = NULL;
523 ENGINEerr(ENGINE_F_DYNAMIC_LOAD, ENGINE_R_INIT_FAILED);
524 /* Copy the original ENGINE structure back */
525 memcpy(e, &cpy, sizeof(ENGINE));
526 return 0;
527 }
528 /* Do we try to add this ENGINE to the internal list too? */
529 if (ctx->list_add_value > 0) {
530 if (!ENGINE_add(e)) {
531 /* Do we tolerate this or fail? */
532 if (ctx->list_add_value > 1) {
533 /* Fail - NB: By this time, it's too late to
534 * rollback, and trying to do so allows the
535 * bind_engine() code to have created leaks. We
536 * just have to fail where we are, after the
537 * ENGINE has changed. */
538 ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
539 ENGINE_R_CONFLICTING_ENGINE_ID);
540 return 0;
541 }
542 /* Tolerate */
543 ERR_clear_error();
544 }
545 }
546 return 1;
547} 64}
diff --git a/src/lib/libcrypto/engine/eng_list.c b/src/lib/libcrypto/engine/eng_list.c
index 939cc82b17..7f3cb35515 100644
--- a/src/lib/libcrypto/engine/eng_list.c
+++ b/src/lib/libcrypto/engine/eng_list.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: eng_list.c,v 1.18 2015/04/11 16:03:21 deraadt Exp $ */ 1/* $OpenBSD: eng_list.c,v 1.19 2015/06/19 06:05:11 bcook Exp $ */
2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL 2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
3 * project 2000. 3 * project 2000.
4 */ 4 */
@@ -351,7 +351,6 @@ ENGINE *
351ENGINE_by_id(const char *id) 351ENGINE_by_id(const char *id)
352{ 352{
353 ENGINE *iterator; 353 ENGINE *iterator;
354 char *load_dir = NULL;
355 354
356 if (id == NULL) { 355 if (id == NULL) {
357 ENGINEerr(ENGINE_F_ENGINE_BY_ID, 356 ENGINEerr(ENGINE_F_ENGINE_BY_ID,
@@ -381,30 +380,9 @@ ENGINE_by_id(const char *id)
381 } 380 }
382 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 381 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
383 382
384 /* EEK! Experimental code starts */ 383 if (iterator == NULL)
385 if (iterator) 384 ENGINEerr(ENGINE_F_ENGINE_BY_ID, ENGINE_R_NO_SUCH_ENGINE);
386 return iterator; 385 return iterator;
387 /* Prevent infinite recusrion if we're looking for the dynamic engine. */
388 if (strcmp(id, "dynamic")) {
389 load_dir = ENGINESDIR;
390
391 iterator = ENGINE_by_id("dynamic");
392 if (!iterator ||
393 !ENGINE_ctrl_cmd_string(iterator, "ID", id, 0) ||
394 !ENGINE_ctrl_cmd_string(iterator, "DIR_LOAD", "2", 0) ||
395 !ENGINE_ctrl_cmd_string(iterator, "DIR_ADD", load_dir, 0) ||
396 !ENGINE_ctrl_cmd_string(iterator, "LIST_ADD", "1", 0) ||
397 !ENGINE_ctrl_cmd_string(iterator, "LOAD", NULL, 0))
398 goto notfound;
399 return iterator;
400 }
401
402notfound:
403 ENGINE_free(iterator);
404 ENGINEerr(ENGINE_F_ENGINE_BY_ID, ENGINE_R_NO_SUCH_ENGINE);
405 ERR_asprintf_error_data("id=%s", id);
406 return NULL;
407 /* EEK! Experimental code ends */
408} 386}
409 387
410int 388int
diff --git a/src/lib/libssl/src/crypto/engine/eng_all.c b/src/lib/libssl/src/crypto/engine/eng_all.c
index 014bcb132e..b428300e76 100644
--- a/src/lib/libssl/src/crypto/engine/eng_all.c
+++ b/src/lib/libssl/src/crypto/engine/eng_all.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: eng_all.c,v 1.27 2015/02/07 13:19:15 doug Exp $ */ 1/* $OpenBSD: eng_all.c,v 1.28 2015/06/19 06:05:11 bcook Exp $ */
2/* Written by Richard Levitte <richard@levitte.org> for the OpenSSL 2/* Written by Richard Levitte <richard@levitte.org> for the OpenSSL
3 * project 2000. 3 * project 2000.
4 */ 4 */
@@ -70,7 +70,6 @@ ENGINE_load_builtin_engines(void)
70#ifndef OPENSSL_NO_RSAX 70#ifndef OPENSSL_NO_RSAX
71 ENGINE_load_rsax(); 71 ENGINE_load_rsax();
72#endif 72#endif
73 ENGINE_load_dynamic();
74#ifndef OPENSSL_NO_STATIC_ENGINE 73#ifndef OPENSSL_NO_STATIC_ENGINE
75#ifndef OPENSSL_NO_HW 74#ifndef OPENSSL_NO_HW
76#ifndef OPENSSL_NO_HW_PADLOCK 75#ifndef OPENSSL_NO_HW_PADLOCK
diff --git a/src/lib/libssl/src/crypto/engine/eng_dyn.c b/src/lib/libssl/src/crypto/engine/eng_dyn.c
index c78d9f6856..400ce72681 100644
--- a/src/lib/libssl/src/crypto/engine/eng_dyn.c
+++ b/src/lib/libssl/src/crypto/engine/eng_dyn.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: eng_dyn.c,v 1.13 2015/02/11 03:19:37 doug Exp $ */ 1/* $OpenBSD: eng_dyn.c,v 1.14 2015/06/19 06:05:11 bcook Exp $ */
2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL 2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
3 * project 2001. 3 * project 2001.
4 */ 4 */
@@ -56,492 +56,9 @@
56 * 56 *
57 */ 57 */
58 58
59#include <string.h> 59#include <openssl/engine.h>
60
61#include <openssl/err.h>
62
63#include "eng_int.h"
64#include <openssl/dso.h>
65
66/* Shared libraries implementing ENGINEs for use by the "dynamic" ENGINE loader
67 * should implement the hook-up functions with the following prototypes. */
68
69/* Our ENGINE handlers */
70static int dynamic_init(ENGINE *e);
71static int dynamic_finish(ENGINE *e);
72static int dynamic_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
73/* Predeclare our context type */
74typedef struct st_dynamic_data_ctx dynamic_data_ctx;
75/* The implementation for the important control command */
76static int dynamic_load(ENGINE *e, dynamic_data_ctx *ctx);
77
78#define DYNAMIC_CMD_SO_PATH ENGINE_CMD_BASE
79#define DYNAMIC_CMD_NO_VCHECK (ENGINE_CMD_BASE + 1)
80#define DYNAMIC_CMD_ID (ENGINE_CMD_BASE + 2)
81#define DYNAMIC_CMD_LIST_ADD (ENGINE_CMD_BASE + 3)
82#define DYNAMIC_CMD_DIR_LOAD (ENGINE_CMD_BASE + 4)
83#define DYNAMIC_CMD_DIR_ADD (ENGINE_CMD_BASE + 5)
84#define DYNAMIC_CMD_LOAD (ENGINE_CMD_BASE + 6)
85
86/* The constants used when creating the ENGINE */
87static const char *engine_dynamic_id = "dynamic";
88static const char *engine_dynamic_name = "Dynamic engine loading support";
89static const ENGINE_CMD_DEFN dynamic_cmd_defns[] = {
90 {
91 DYNAMIC_CMD_SO_PATH,
92 "SO_PATH",
93 "Specifies the path to the new ENGINE shared library",
94 ENGINE_CMD_FLAG_STRING},
95 {
96 DYNAMIC_CMD_NO_VCHECK,
97 "NO_VCHECK",
98 "Specifies to continue even if version checking fails (boolean)",
99 ENGINE_CMD_FLAG_NUMERIC},
100 {
101 DYNAMIC_CMD_ID,
102 "ID",
103 "Specifies an ENGINE id name for loading",
104 ENGINE_CMD_FLAG_STRING},
105 {
106 DYNAMIC_CMD_LIST_ADD,
107 "LIST_ADD",
108 "Whether to add a loaded ENGINE to the internal list (0=no,1=yes,2=mandatory)",
109 ENGINE_CMD_FLAG_NUMERIC},
110 {
111 DYNAMIC_CMD_DIR_LOAD,
112 "DIR_LOAD",
113 "Specifies whether to load from 'DIR_ADD' directories (0=no,1=yes,2=mandatory)",
114 ENGINE_CMD_FLAG_NUMERIC},
115 {
116 DYNAMIC_CMD_DIR_ADD,
117 "DIR_ADD",
118 "Adds a directory from which ENGINEs can be loaded",
119 ENGINE_CMD_FLAG_STRING},
120 {
121 DYNAMIC_CMD_LOAD,
122 "LOAD",
123 "Load up the ENGINE specified by other settings",
124 ENGINE_CMD_FLAG_NO_INPUT},
125
126 {0, NULL, NULL, 0}
127};
128
129/* Loading code stores state inside the ENGINE structure via the "ex_data"
130 * element. We load all our state into a single structure and use that as a
131 * single context in the "ex_data" stack. */
132struct st_dynamic_data_ctx {
133 /* The DSO object we load that supplies the ENGINE code */
134 DSO *dynamic_dso;
135 /* The function pointer to the version checking shared library function */
136 dynamic_v_check_fn v_check;
137 /* The function pointer to the engine-binding shared library function */
138 dynamic_bind_engine bind_engine;
139 /* The default name/path for loading the shared library */
140 const char *DYNAMIC_LIBNAME;
141 /* Whether to continue loading on a version check failure */
142 int no_vcheck;
143 /* If non-NULL, stipulates the 'id' of the ENGINE to be loaded */
144 const char *engine_id;
145 /* If non-zero, a successfully loaded ENGINE should be added to the internal
146 * ENGINE list. If 2, the add must succeed or the entire load should fail. */
147 int list_add_value;
148 /* The symbol name for the version checking function */
149 const char *DYNAMIC_F1;
150 /* The symbol name for the "initialise ENGINE structure" function */
151 const char *DYNAMIC_F2;
152 /* Whether to never use 'dirs', use 'dirs' as a fallback, or only use
153 * 'dirs' for loading. Default is to use 'dirs' as a fallback. */
154 int dir_load;
155 /* A stack of directories from which ENGINEs could be loaded */
156 STACK_OF(OPENSSL_STRING) *dirs;
157};
158
159/* This is the "ex_data" index we obtain and reserve for use with our context
160 * structure. */
161static int dynamic_ex_data_idx = -1;
162
163static void
164int_free_str(char *s)
165{
166 free(s);
167}
168
169/* Because our ex_data element may or may not get allocated depending on whether
170 * a "first-use" occurs before the ENGINE is freed, we have a memory leak
171 * problem to solve. We can't declare a "new" handler for the ex_data as we
172 * don't want a dynamic_data_ctx in *all* ENGINE structures of all types (this
173 * is a bug in the design of CRYPTO_EX_DATA). As such, we just declare a "free"
174 * handler and that will get called if an ENGINE is being destroyed and there
175 * was an ex_data element corresponding to our context type. */
176static void
177dynamic_data_ctx_free_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
178 int idx, long argl, void *argp)
179{
180 if (ptr) {
181 dynamic_data_ctx *ctx = (dynamic_data_ctx *)ptr;
182 if (ctx->dynamic_dso)
183 DSO_free(ctx->dynamic_dso);
184 free((void *)ctx->DYNAMIC_LIBNAME);
185 free((void *)ctx->engine_id);
186 if (ctx->dirs)
187 sk_OPENSSL_STRING_pop_free(ctx->dirs, int_free_str);
188 free(ctx);
189 }
190}
191
192/* Construct the per-ENGINE context. We create it blindly and then use a lock to
193 * check for a race - if so, all but one of the threads "racing" will have
194 * wasted their time. The alternative involves creating everything inside the
195 * lock which is far worse. */
196static int
197dynamic_set_data_ctx(ENGINE *e, dynamic_data_ctx **ctx)
198{
199 dynamic_data_ctx *c;
200
201 c = malloc(sizeof(dynamic_data_ctx));
202 if (!c) {
203 ENGINEerr(ENGINE_F_DYNAMIC_SET_DATA_CTX, ERR_R_MALLOC_FAILURE);
204 return 0;
205 }
206 memset(c, 0, sizeof(dynamic_data_ctx));
207 c->dynamic_dso = NULL;
208 c->v_check = NULL;
209 c->bind_engine = NULL;
210 c->DYNAMIC_LIBNAME = NULL;
211 c->no_vcheck = 0;
212 c->engine_id = NULL;
213 c->list_add_value = 0;
214 c->DYNAMIC_F1 = "v_check";
215 c->DYNAMIC_F2 = "bind_engine";
216 c->dir_load = 1;
217 c->dirs = sk_OPENSSL_STRING_new_null();
218 if (!c->dirs) {
219 ENGINEerr(ENGINE_F_DYNAMIC_SET_DATA_CTX, ERR_R_MALLOC_FAILURE);
220 free(c);
221 return 0;
222 }
223 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
224 if ((*ctx = (dynamic_data_ctx *)ENGINE_get_ex_data(e,
225 dynamic_ex_data_idx)) == NULL) {
226 /* Good, we're the first */
227 ENGINE_set_ex_data(e, dynamic_ex_data_idx, c);
228 *ctx = c;
229 c = NULL;
230 }
231 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
232 /* If we lost the race to set the context, c is non-NULL and *ctx is the
233 * context of the thread that won. */
234 free(c);
235 return 1;
236}
237
238/* This function retrieves the context structure from an ENGINE's "ex_data", or
239 * if it doesn't exist yet, sets it up. */
240static dynamic_data_ctx *
241dynamic_get_data_ctx(ENGINE *e)
242{
243 dynamic_data_ctx *ctx;
244 if (dynamic_ex_data_idx < 0) {
245 /* Create and register the ENGINE ex_data, and associate our
246 * "free" function with it to ensure any allocated contexts get
247 * freed when an ENGINE goes underground. */
248 int new_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL,
249 dynamic_data_ctx_free_func);
250 if (new_idx == -1) {
251 ENGINEerr(ENGINE_F_DYNAMIC_GET_DATA_CTX,
252 ENGINE_R_NO_INDEX);
253 return NULL;
254 }
255 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
256 /* Avoid a race by checking again inside this lock */
257 if (dynamic_ex_data_idx < 0) {
258 /* Good, someone didn't beat us to it */
259 dynamic_ex_data_idx = new_idx;
260 new_idx = -1;
261 }
262 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
263 /* In theory we could "give back" the index here if
264 * (new_idx>-1), but it's not possible and wouldn't gain us much
265 * if it were. */
266 }
267 ctx = (dynamic_data_ctx *)ENGINE_get_ex_data(e, dynamic_ex_data_idx);
268 /* Check if the context needs to be created */
269 if ((ctx == NULL) && !dynamic_set_data_ctx(e, &ctx))
270 /* "set_data" will set errors if necessary */
271 return NULL;
272 return ctx;
273}
274
275static ENGINE *
276engine_dynamic(void)
277{
278 ENGINE *ret = ENGINE_new();
279
280 if (!ret)
281 return NULL;
282
283 if (!ENGINE_set_id(ret, engine_dynamic_id) ||
284 !ENGINE_set_name(ret, engine_dynamic_name) ||
285 !ENGINE_set_init_function(ret, dynamic_init) ||
286 !ENGINE_set_finish_function(ret, dynamic_finish) ||
287 !ENGINE_set_ctrl_function(ret, dynamic_ctrl) ||
288 !ENGINE_set_flags(ret, ENGINE_FLAGS_BY_ID_COPY) ||
289 !ENGINE_set_cmd_defns(ret, dynamic_cmd_defns)) {
290 ENGINE_free(ret);
291 return NULL;
292 }
293 return ret;
294}
295 60
296void 61void
297ENGINE_load_dynamic(void) 62ENGINE_load_dynamic(void)
298{ 63{
299 ENGINE *toadd = engine_dynamic();
300
301 if (!toadd)
302 return;
303
304 ENGINE_add(toadd);
305 /* If the "add" worked, it gets a structural reference. So either way,
306 * we release our just-created reference. */
307 ENGINE_free(toadd);
308 /* If the "add" didn't work, it was probably a conflict because it was
309 * already added (eg. someone calling ENGINE_load_blah then calling
310 * ENGINE_load_builtin_engines() perhaps). */
311 ERR_clear_error();
312}
313
314static int
315dynamic_init(ENGINE *e)
316{
317 /* We always return failure - the "dyanamic" engine itself can't be used
318 * for anything. */
319 return 0;
320}
321
322static int
323dynamic_finish(ENGINE *e)
324{
325 /* This should never be called on account of "dynamic_init" always
326 * failing. */
327 return 0;
328}
329
330static int
331dynamic_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
332{
333 dynamic_data_ctx *ctx = dynamic_get_data_ctx(e);
334 int initialised;
335
336 if (!ctx) {
337 ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_NOT_LOADED);
338 return 0;
339 }
340 initialised = ((ctx->dynamic_dso == NULL) ? 0 : 1);
341 /* All our control commands require the ENGINE to be uninitialised */
342 if (initialised) {
343 ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_ALREADY_LOADED);
344 return 0;
345 }
346 switch (cmd) {
347 case DYNAMIC_CMD_SO_PATH:
348 /* a NULL 'p' or a string of zero-length is the same thing */
349 if (p && (strlen((const char *)p) < 1))
350 p = NULL;
351 free((void *)ctx->DYNAMIC_LIBNAME);
352 if (p)
353 ctx->DYNAMIC_LIBNAME = strdup(p);
354 else
355 ctx->DYNAMIC_LIBNAME = NULL;
356 return (ctx->DYNAMIC_LIBNAME ? 1 : 0);
357 case DYNAMIC_CMD_NO_VCHECK:
358 ctx->no_vcheck = ((i == 0) ? 0 : 1);
359 return 1;
360 case DYNAMIC_CMD_ID:
361 /* a NULL 'p' or a string of zero-length is the same thing */
362 if (p && (strlen((const char *)p) < 1))
363 p = NULL;
364 free((void *)ctx->engine_id);
365 if (p)
366 ctx->engine_id = strdup(p);
367 else
368 ctx->engine_id = NULL;
369 return (ctx->engine_id ? 1 : 0);
370 case DYNAMIC_CMD_LIST_ADD:
371 if ((i < 0) || (i > 2)) {
372 ENGINEerr(ENGINE_F_DYNAMIC_CTRL,
373 ENGINE_R_INVALID_ARGUMENT);
374 return 0;
375 }
376 ctx->list_add_value = (int)i;
377 return 1;
378 case DYNAMIC_CMD_LOAD:
379 return dynamic_load(e, ctx);
380 case DYNAMIC_CMD_DIR_LOAD:
381 if ((i < 0) || (i > 2)) {
382 ENGINEerr(ENGINE_F_DYNAMIC_CTRL,
383 ENGINE_R_INVALID_ARGUMENT);
384 return 0;
385 }
386 ctx->dir_load = (int)i;
387 return 1;
388 case DYNAMIC_CMD_DIR_ADD:
389 /* a NULL 'p' or a string of zero-length is the same thing */
390 if (!p || (strlen((const char *)p) < 1)) {
391 ENGINEerr(ENGINE_F_DYNAMIC_CTRL,
392 ENGINE_R_INVALID_ARGUMENT);
393 return 0;
394 }
395 {
396 char *tmp_str = strdup(p);
397 if (!tmp_str) {
398 ENGINEerr(ENGINE_F_DYNAMIC_CTRL,
399 ERR_R_MALLOC_FAILURE);
400 return 0;
401 }
402 sk_OPENSSL_STRING_insert(ctx->dirs, tmp_str, -1);
403 }
404 return 1;
405 default:
406 break;
407 }
408 ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
409 return 0;
410}
411
412static int
413int_load(dynamic_data_ctx *ctx)
414{
415 int num, loop;
416
417 /* Unless told not to, try a direct load */
418 if ((ctx->dir_load != 2) && (DSO_load(ctx->dynamic_dso,
419 ctx->DYNAMIC_LIBNAME, NULL, 0)) != NULL)
420 return 1;
421 /* If we're not allowed to use 'dirs' or we have none, fail */
422 if (!ctx->dir_load || (num = sk_OPENSSL_STRING_num(ctx->dirs)) < 1)
423 return 0;
424 for (loop = 0; loop < num; loop++) {
425 const char *s = sk_OPENSSL_STRING_value(ctx->dirs, loop);
426 char *merge = DSO_merge(ctx->dynamic_dso,
427 ctx->DYNAMIC_LIBNAME, s);
428 if (!merge)
429 return 0;
430 if (DSO_load(ctx->dynamic_dso, merge, NULL, 0)) {
431 /* Found what we're looking for */
432 free(merge);
433 return 1;
434 }
435 free(merge);
436 }
437 return 0;
438}
439
440static int
441dynamic_load(ENGINE *e, dynamic_data_ctx *ctx)
442{
443 ENGINE cpy;
444 dynamic_fns fns;
445
446 if (!ctx->dynamic_dso)
447 ctx->dynamic_dso = DSO_new();
448 if (!ctx->DYNAMIC_LIBNAME) {
449 if (!ctx->engine_id)
450 return 0;
451 ctx->DYNAMIC_LIBNAME = DSO_convert_filename(ctx->dynamic_dso,
452 ctx->engine_id);
453 }
454 if (!int_load(ctx)) {
455 ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
456 ENGINE_R_DSO_NOT_FOUND);
457 DSO_free(ctx->dynamic_dso);
458 ctx->dynamic_dso = NULL;
459 return 0;
460 }
461 /* We have to find a bind function otherwise it'll always end badly */
462 if (!(ctx->bind_engine = (dynamic_bind_engine)DSO_bind_func(
463 ctx->dynamic_dso, ctx->DYNAMIC_F2))) {
464 ctx->bind_engine = NULL;
465 DSO_free(ctx->dynamic_dso);
466 ctx->dynamic_dso = NULL;
467 ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
468 ENGINE_R_DSO_FAILURE);
469 return 0;
470 }
471 /* Do we perform version checking? */
472 if (!ctx->no_vcheck) {
473 unsigned long vcheck_res = 0;
474 /* Now we try to find a version checking function and decide how
475 * to cope with failure if/when it fails. */
476 ctx->v_check = (dynamic_v_check_fn)DSO_bind_func(
477 ctx->dynamic_dso, ctx->DYNAMIC_F1);
478 if (ctx->v_check)
479 vcheck_res = ctx->v_check(OSSL_DYNAMIC_VERSION);
480 /* We fail if the version checker veto'd the load *or* if it is
481 * deferring to us (by returning its version) and we think it is
482 * too old. */
483 if (vcheck_res < OSSL_DYNAMIC_OLDEST) {
484 /* Fail */
485 ctx->bind_engine = NULL;
486 ctx->v_check = NULL;
487 DSO_free(ctx->dynamic_dso);
488 ctx->dynamic_dso = NULL;
489 ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
490 ENGINE_R_VERSION_INCOMPATIBILITY);
491 return 0;
492 }
493 }
494 /* First binary copy the ENGINE structure so that we can roll back if
495 * the hand-over fails */
496 memcpy(&cpy, e, sizeof(ENGINE));
497 /* Provide the ERR, "ex_data", memory, and locking callbacks so the
498 * loaded library uses our state rather than its own. FIXME: As noted in
499 * engine.h, much of this would be simplified if each area of code
500 * provided its own "summary" structure of all related callbacks. It
501 * would also increase opaqueness. */
502 fns.static_state = ENGINE_get_static_state();
503 fns.err_fns = ERR_get_implementation();
504 fns.ex_data_fns = CRYPTO_get_ex_data_implementation();
505 CRYPTO_get_mem_functions(&fns.mem_fns.malloc_cb,
506 &fns.mem_fns.realloc_cb,
507 &fns.mem_fns.free_cb);
508 fns.lock_fns.lock_locking_cb = CRYPTO_get_locking_callback();
509 fns.lock_fns.lock_add_lock_cb = CRYPTO_get_add_lock_callback();
510 fns.lock_fns.dynlock_create_cb = CRYPTO_get_dynlock_create_callback();
511 fns.lock_fns.dynlock_lock_cb = CRYPTO_get_dynlock_lock_callback();
512 fns.lock_fns.dynlock_destroy_cb = CRYPTO_get_dynlock_destroy_callback();
513 /* Now that we've loaded the dynamic engine, make sure no "dynamic"
514 * ENGINE elements will show through. */
515 engine_set_all_null(e);
516
517 /* Try to bind the ENGINE onto our own ENGINE structure */
518 if (!ctx->bind_engine(e, ctx->engine_id, &fns)) {
519 ctx->bind_engine = NULL;
520 ctx->v_check = NULL;
521 DSO_free(ctx->dynamic_dso);
522 ctx->dynamic_dso = NULL;
523 ENGINEerr(ENGINE_F_DYNAMIC_LOAD, ENGINE_R_INIT_FAILED);
524 /* Copy the original ENGINE structure back */
525 memcpy(e, &cpy, sizeof(ENGINE));
526 return 0;
527 }
528 /* Do we try to add this ENGINE to the internal list too? */
529 if (ctx->list_add_value > 0) {
530 if (!ENGINE_add(e)) {
531 /* Do we tolerate this or fail? */
532 if (ctx->list_add_value > 1) {
533 /* Fail - NB: By this time, it's too late to
534 * rollback, and trying to do so allows the
535 * bind_engine() code to have created leaks. We
536 * just have to fail where we are, after the
537 * ENGINE has changed. */
538 ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
539 ENGINE_R_CONFLICTING_ENGINE_ID);
540 return 0;
541 }
542 /* Tolerate */
543 ERR_clear_error();
544 }
545 }
546 return 1;
547} 64}
diff --git a/src/lib/libssl/src/crypto/engine/eng_list.c b/src/lib/libssl/src/crypto/engine/eng_list.c
index 939cc82b17..7f3cb35515 100644
--- a/src/lib/libssl/src/crypto/engine/eng_list.c
+++ b/src/lib/libssl/src/crypto/engine/eng_list.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: eng_list.c,v 1.18 2015/04/11 16:03:21 deraadt Exp $ */ 1/* $OpenBSD: eng_list.c,v 1.19 2015/06/19 06:05:11 bcook Exp $ */
2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL 2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
3 * project 2000. 3 * project 2000.
4 */ 4 */
@@ -351,7 +351,6 @@ ENGINE *
351ENGINE_by_id(const char *id) 351ENGINE_by_id(const char *id)
352{ 352{
353 ENGINE *iterator; 353 ENGINE *iterator;
354 char *load_dir = NULL;
355 354
356 if (id == NULL) { 355 if (id == NULL) {
357 ENGINEerr(ENGINE_F_ENGINE_BY_ID, 356 ENGINEerr(ENGINE_F_ENGINE_BY_ID,
@@ -381,30 +380,9 @@ ENGINE_by_id(const char *id)
381 } 380 }
382 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 381 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
383 382
384 /* EEK! Experimental code starts */ 383 if (iterator == NULL)
385 if (iterator) 384 ENGINEerr(ENGINE_F_ENGINE_BY_ID, ENGINE_R_NO_SUCH_ENGINE);
386 return iterator; 385 return iterator;
387 /* Prevent infinite recusrion if we're looking for the dynamic engine. */
388 if (strcmp(id, "dynamic")) {
389 load_dir = ENGINESDIR;
390
391 iterator = ENGINE_by_id("dynamic");
392 if (!iterator ||
393 !ENGINE_ctrl_cmd_string(iterator, "ID", id, 0) ||
394 !ENGINE_ctrl_cmd_string(iterator, "DIR_LOAD", "2", 0) ||
395 !ENGINE_ctrl_cmd_string(iterator, "DIR_ADD", load_dir, 0) ||
396 !ENGINE_ctrl_cmd_string(iterator, "LIST_ADD", "1", 0) ||
397 !ENGINE_ctrl_cmd_string(iterator, "LOAD", NULL, 0))
398 goto notfound;
399 return iterator;
400 }
401
402notfound:
403 ENGINE_free(iterator);
404 ENGINEerr(ENGINE_F_ENGINE_BY_ID, ENGINE_R_NO_SUCH_ENGINE);
405 ERR_asprintf_error_data("id=%s", id);
406 return NULL;
407 /* EEK! Experimental code ends */
408} 386}
409 387
410int 388int
diff --git a/src/lib/libssl/src/doc/crypto/engine.pod b/src/lib/libssl/src/doc/crypto/engine.pod
index 4a6ee59138..578a702371 100644
--- a/src/lib/libssl/src/doc/crypto/engine.pod
+++ b/src/lib/libssl/src/doc/crypto/engine.pod
@@ -309,11 +309,11 @@ consideration is whether any/all available ENGINE implementations should be
309made visible to OpenSSL - this is controlled by calling the various "load" 309made visible to OpenSSL - this is controlled by calling the various "load"
310functions, eg. 310functions, eg.
311 311
312 /* Make the "dynamic" ENGINE available */
313 void ENGINE_load_dynamic(void);
314 ...
315 /* Make ALL ENGINE implementations bundled with OpenSSL available */ 312 /* Make ALL ENGINE implementations bundled with OpenSSL available */
316 void ENGINE_load_builtin_engines(void); 313 ENGINE_load_builtin_engines();
314
315Note that ENGINE_load_dynamic(void) is a placeholder and does not enable
316dynamic engine loading support.
317 317
318Having called any of these functions, ENGINE objects would have been 318Having called any of these functions, ENGINE objects would have been
319dynamically allocated and populated with these implementations and linked 319dynamically allocated and populated with these implementations and linked
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-22 23:29:43 +0000