main/lua-ossl: align with latest PEM encryption patch set

wahern/luaossl#128

backwards incompatible

main/lua-ossl/0001-pkey.toPEM-opts-rename-const-array.patch

@@ -0,0 +1,33 @@
+From 4589f5b1a5c2cbeab2069f9cdce605bc3a3096fb Mon Sep 17 00:00:00 2001
+From: Kaarle Ritvanen <[email protected]>
+Date: Sun, 2 Sep 2018 13:07:20 +0300
+Subject: [PATCH 01/10] pkey.toPEM: opts: rename const array
+
+---
+ src/openssl.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/openssl.c b/src/openssl.c
+index 9a9de0f..acb8289 100644
+--- a/src/openssl.c
++++ b/src/openssl.c
+@@ -4675,14 +4675,14 @@ static int pk_toPEM(lua_State *L) {
+ 	bio = getbio(L);
+
+ 	for (i = 2; i <= top; i++) {
+-		static const char *const opts[] = {
++		static const char *const types[] = {
+ 			"public", "PublicKey",
+ 			"private", "PrivateKey",
+ //			"params", "Parameters",
+ 			NULL,
+ 		};
+
+-		switch (auxL_checkoption(L, i, NULL, opts, 1)) {
++		switch (auxL_checkoption(L, i, NULL, types, 1)) {
+ 		case 0: case 1: /* public, PublicKey */
+ 			if (!PEM_write_bio_PUBKEY(bio, key))
+ 				return auxL_error(L, auxL_EOPENSSL, "pkey:__tostring");
+-- 
+2.24.1
+

main/lua-ossl/0002-pkey.toPEM-accept-table-arguments.patch

@@ -0,0 +1,35 @@
+From 2fb6331a5304927fcfe915d5d42535d3d500f540 Mon Sep 17 00:00:00 2001
+From: Kaarle Ritvanen <[email protected]>
+Date: Sun, 2 Sep 2018 13:18:48 +0300
+Subject: [PATCH 02/10] pkey.toPEM: accept table arguments
+
+---
+ src/openssl.c | 11 ++++++++++-
+ 1 file changed, 10 insertions(+), 1 deletion(-)
+
+diff --git a/src/openssl.c b/src/openssl.c
+index acb8289..1905693 100644
+--- a/src/openssl.c
++++ b/src/openssl.c
+@@ -4681,8 +4681,17 @@ static int pk_toPEM(lua_State *L) {
+ //			"params", "Parameters",
+ 			NULL,
+ 		};
++		int type;
+
+-		switch (auxL_checkoption(L, i, NULL, types, 1)) {
++		if (!lua_istable(L, i))
++			lua_pushvalue(L, i);
++		else if (!getfield(L, i, "type"))
++			lua_pushliteral(L, "public");
++
++		type = auxL_checkoption(L, -1, NULL, types, 1);
++		lua_pop(L, 1);
++
++		switch (type) {
+ 		case 0: case 1: /* public, PublicKey */
+ 			if (!PEM_write_bio_PUBKEY(bio, key))
+ 				return auxL_error(L, auxL_EOPENSSL, "pkey:__tostring");
+-- 
+2.24.1
+

main/lua-ossl/0003-pkey.toPEM-private-key-encryption.patch

@@ -0,0 +1,63 @@
+From 367597c9fbbd8c0179a8b2a75e5b0819ef5bc5d6 Mon Sep 17 00:00:00 2001
+From: Kaarle Ritvanen <[email protected]>
+Date: Mon, 30 Apr 2018 13:26:16 +0300
+Subject: [PATCH 03/10] pkey.toPEM: private key encryption
+
+---
+ src/openssl.c | 25 +++++++++++++++++++------
+ 1 file changed, 19 insertions(+), 6 deletions(-)
+
+diff --git a/src/openssl.c b/src/openssl.c
+index 1905693..9b10165 100644
+--- a/src/openssl.c
++++ b/src/openssl.c
+@@ -31,7 +31,7 @@
+
+ #include <limits.h>       /* INT_MAX INT_MIN LLONG_MAX LLONG_MIN UCHAR_MAX ULLONG_MAX */
+ #include <stdint.h>       /* uintptr_t */
+-#include <string.h>       /* memset(3) strerror_r(3) */
++#include <string.h>       /* memset(3) strerror_r(3) strlen(3) */
+ #include <math.h>         /* INFINITY fabs(3) floor(3) frexp(3) fmod(3) round(3) isfinite(3) */
+ #include <time.h>         /* struct tm time_t strptime(3) time(2) */
+ #include <ctype.h>        /* isdigit(3), isxdigit(3), tolower(3) */
+@@ -4682,11 +4682,16 @@ static int pk_toPEM(lua_State *L) {
+ 			NULL,
+ 		};
+ 		int type;
+-
+-		if (!lua_istable(L, i))
++		const char *cname = NULL;
++		const EVP_CIPHER *cipher = NULL;
++		const char *pass = NULL;
++
++		if (lua_istable(L, i)) {
++			loadfield(L, i, "cipher", LUA_TSTRING, &cname);
++			if (!getfield(L, i, "type"))
++				lua_pushstring(L, cname ? "private" : "public");
++		} else
+ 			lua_pushvalue(L, i);
+-		else if (!getfield(L, i, "type"))
+-			lua_pushliteral(L, "public");
+
+ 		type = auxL_checkoption(L, -1, NULL, types, 1);
+ 		lua_pop(L, 1);
+@@ -4702,7 +4707,15 @@ static int pk_toPEM(lua_State *L) {
+
+ 			break;
+ 		case 2: case 3: /* private, PrivateKey */
+-			if (!PEM_write_bio_PrivateKey(bio, key, 0, 0, 0, 0, 0))
++			if (cname) {
++				cipher = EVP_get_cipherbyname(cname);
++				if (!cipher)
++					return luaL_error(L, "pkey:toPEM: unknown cipher: %s", cname);
++				if (!loadfield(L, i, "password", LUA_TSTRING, &pass))
++					return luaL_error(L, "pkey:toPEM: password not defined");
++			}
++
++			if (!PEM_write_bio_PrivateKey(bio, key, cipher, pass, pass ? strlen(pass) : 0, 0, 0))
+ 				return auxL_error(L, auxL_EOPENSSL, "pkey:__tostring");
+
+ 			len = BIO_get_mem_data(bio, &pem);
+-- 
+2.24.1
+

main/lua-ossl/0004-pkey.new-type-rename-variable.patch

@@ -0,0 +1,43 @@
+From f287bd7a314458a3870ee4e7fbdfc7e0ea41a4b6 Mon Sep 17 00:00:00 2001
+From: Kaarle Ritvanen <[email protected]>
+Date: Sun, 2 Sep 2018 14:22:43 +0300
+Subject: [PATCH 04/10] pkey.new: type: rename variable
+
+---
+ src/openssl.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/openssl.c b/src/openssl.c
+index 9b10165..ed18e60 100644
+--- a/src/openssl.c
++++ b/src/openssl.c
+@@ -4299,7 +4299,7 @@ static int pk_new(lua_State *L) {
+ #endif
+ 		} /* switch() */
+ 	} else if (lua_isstring(L, 1)) {
+-		int type = optencoding(L, 2, "*", X509_ANY|X509_PEM|X509_DER);
++		int format = optencoding(L, 2, "*", X509_ANY|X509_PEM|X509_DER);
+ 		int pubonly = 0, prvtonly = 0;
+ 		const char *opt, *data;
+ 		size_t len;
+@@ -4325,7 +4325,7 @@ static int pk_new(lua_State *L) {
+ 		if (!(bio = BIO_new_mem_buf((void *)data, len)))
+ 			return auxL_error(L, auxL_EOPENSSL, "pkey.new");
+
+-		if (type == X509_PEM || type == X509_ANY) {
++		if (format == X509_PEM || format == X509_ANY) {
+ 			if (!prvtonly && !pub) {
+ 				/*
+ 				 * BIO_reset is a rewind for read-only
+@@ -4346,7 +4346,7 @@ static int pk_new(lua_State *L) {
+ 			}
+ 		}
+
+-		if (type == X509_DER || type == X509_ANY) {
++		if (format == X509_DER || format == X509_ANY) {
+ 			if (!prvtonly && !pub) {
+ 				BIO_reset(bio);
+
+-- 
+2.24.1
+