net-misc/ssvnc: Fix openssl-1.1

Closes: https://bugs.gentoo.org/674580
Package-Manager: Portage-2.3.58, Repoman-2.3.12
Signed-off-by: Pacho Ramos <pacho@gentoo.org>

2 files changed, 214 insertions, 10 deletions

diff --git a/net-misc/ssvnc/files/ssvnc-1.0.29-openssl1.1.patch b/net-misc/ssvnc/files/ssvnc-1.0.29-openssl1.1.patch
new file mode 100644
index 000000000000..0ee278f9eea3
--- /dev/null
+++ b/net-misc/ssvnc/files/ssvnc-1.0.29-openssl1.1.patch
@@ -0,0 +1,199 @@
+--- a/vncstorepw/ultravnc_dsm_helper.c
++++ b/vncstorepw/ultravnc_dsm_helper.c
+@@ -414,7 +414,9 @@ void enc_do(char *ciph, char *keyfile, c
+ 		if (strstr(p, "md5+") == p) {
+ 			Digest = EVP_md5();        p += strlen("md5+");
+ 		} else if (strstr(p, "sha+") == p) {
+-			Digest = EVP_sha();        p += strlen("sha+");
++			fprintf(stderr, "%s: obsolete hash algorithm: SHA-0\n",
++			    prog, s);
++			exit(1);
+ 		} else if (strstr(p, "sha1+") == p) {
+ 			Digest = EVP_sha1();       p += strlen("sha1+");
+ 		} else if (strstr(p, "ripe+") == p) {
+@@ -655,8 +657,10 @@ static void enc_xfer(int sock_fr, int so
+ 	 */
+ 	unsigned char E_keystr[EVP_MAX_KEY_LENGTH];
+ 	unsigned char D_keystr[EVP_MAX_KEY_LENGTH];
+-	EVP_CIPHER_CTX E_ctx, D_ctx;
+-	EVP_CIPHER_CTX *ctx = NULL;
++	//openssl1.1.patch - Do NOT create two context and only use one
++	// - that's silly.
++	//EVP_CIPHER_CTX *E_ctx, *D_ctx;
++	EVP_CIPHER_CTX *ctx;
+ 
+ 	unsigned char buf[BSIZE], out[BSIZE];
+ 	unsigned char *psrc = NULL, *keystr;
+@@ -698,11 +702,14 @@ static void enc_xfer(int sock_fr, int so
+ 	encsym = encrypt ? "+" : "-";
+ 
+ 	/* use the encryption/decryption context variables below */
++	ctx = EVP_CIPHER_CTX_new();
++	if (!ctx) {
++	    fprintf(stderr, "Failed to create encryption/decryption context.\n");
++	    goto finished;
++	}
+ 	if (encrypt) {
+-		ctx = &E_ctx;
+ 		keystr = E_keystr;
+ 	} else {
+-		ctx = &D_ctx;
+ 		keystr = D_keystr;
+ 	}
+ 
+@@ -797,7 +804,6 @@ static void enc_xfer(int sock_fr, int so
+ 		if (whoops) {
+ 			fprintf(stderr, "%s: %s - WARNING: MSRC4 mode and IGNORING random salt\n", prog, encstr);
+ 			fprintf(stderr, "%s: %s - WARNING: and initialization vector!!\n", prog, encstr);
+-			EVP_CIPHER_CTX_init(ctx);
+ 			if (pw_in) {
+ 			    /* for pw=xxxx a md5 hash is used */
+ 			    EVP_BytesToKey(Cipher, Digest, NULL, (unsigned char *) keydata,
+@@ -816,7 +822,6 @@ static void enc_xfer(int sock_fr, int so
+ 
+ 			EVP_BytesToKey(Cipher, Digest, NULL, (unsigned char *) keydata,
+ 			    keydata_len, 1, keystr, ivec); 
+-			EVP_CIPHER_CTX_init(ctx);
+ 			EVP_CipherInit_ex(ctx, Cipher, NULL, keystr, ivec,
+ 			    encrypt);
+ 		}
+@@ -836,9 +841,9 @@ static void enc_xfer(int sock_fr, int so
+ 			in_salt = salt;
+ 		}
+ 
+-		if (ivec_size < Cipher->iv_len && !securevnc) {
++		if (ivec_size < EVP_CIPHER_iv_length(Cipher) && !securevnc) {
+ 			fprintf(stderr, "%s: %s - WARNING: short IV %d < %d\n",
+-			    prog, encstr, ivec_size, Cipher->iv_len);
++			    prog, encstr, ivec_size, EVP_CIPHER_iv_length(Cipher));
+ 		}
+ 
+ 		/* make the hashed value and place in keystr */
+@@ -877,9 +882,6 @@ static void enc_xfer(int sock_fr, int so
+ 		}
+ 
+ 
+-		/* initialize the context */
+-		EVP_CIPHER_CTX_init(ctx);
+-
+ 
+ 		/* set the cipher & initialize */
+ 
+@@ -986,6 +988,7 @@ static void enc_xfer(int sock_fr, int so
+ 	/* transfer done (viewer exited or some error) */
+ 	finished:
+ 
++	if (ctx) EVP_CIPHER_CTX_free(ctx);
+ 	fprintf(stderr, "\n%s: %s - close sock_to\n", prog, encstr);
+ 	close(sock_to);
+ 
+@@ -1060,14 +1063,14 @@ static int securevnc_server_rsa_save_dia
+ }
+ 
+ static char *rsa_md5_sum(unsigned char* rsabuf) {
+-	EVP_MD_CTX md;
++	EVP_MD_CTX *md = EVP_MD_CTX_create();
+ 	char digest[EVP_MAX_MD_SIZE], tmp[16];
+ 	char md5str[EVP_MAX_MD_SIZE * 8];
+ 	unsigned int i, size = 0;
+ 
+-	EVP_DigestInit(&md, EVP_md5());
+-	EVP_DigestUpdate(&md, rsabuf, SECUREVNC_RSA_PUBKEY_SIZE);
+-	EVP_DigestFinal(&md, (unsigned char *)digest, &size);
++	EVP_DigestInit(md, EVP_md5());
++	EVP_DigestUpdate(md, rsabuf, SECUREVNC_RSA_PUBKEY_SIZE);
++	EVP_DigestFinal(md, (unsigned char *)digest, &size);
+ 
+ 	memset(md5str, 0, sizeof(md5str));
+ 	for (i=0; i < size; i++) {
+@@ -1075,6 +1078,7 @@ static char *rsa_md5_sum(unsigned char*
+ 		sprintf(tmp, "%02x", (int) uc);
+ 		strcat(md5str, tmp);
+ 	}
++	EVP_MD_CTX_destroy(md);
+ 	return strdup(md5str);
+ }
+ 
+@@ -1184,7 +1188,7 @@ static void sslexit(char *msg) {
+ 
+ static void securevnc_setup(int conn1, int conn2) {
+ 	RSA *rsa = NULL;
+-	EVP_CIPHER_CTX init_ctx;
++	EVP_CIPHER_CTX *init_ctx = EVP_CIPHER_CTX_new();
+ 	unsigned char keystr[EVP_MAX_KEY_LENGTH];
+ 	unsigned char *rsabuf, *rsasav;
+ 	unsigned char *encrypted_keybuf;
+@@ -1203,6 +1207,8 @@ static void securevnc_setup(int conn1, i
+ 
+ 	ERR_load_crypto_strings();
+ 
++	if (!init_ctx) sslexit("securevnc_setup: EVP_CIPHER_CTX_new() failed");
++	
+ 	/* alloc and read from server the 270 comprising the rsa public key: */
+ 	rsabuf = (unsigned char *) calloc(SECUREVNC_RSA_PUBKEY_SIZE, 1);
+ 	rsasav = (unsigned char *) calloc(SECUREVNC_RSA_PUBKEY_SIZE, 1);
+@@ -1323,8 +1329,7 @@ static void securevnc_setup(int conn1, i
+ 	/*
+ 	 * Back to the work involving the tmp obscuring key:
+ 	 */
+-	EVP_CIPHER_CTX_init(&init_ctx);
+-	rc = EVP_CipherInit_ex(&init_ctx, EVP_rc4(), NULL, initkey, NULL, 1);
++	rc = EVP_CipherInit_ex(init_ctx, EVP_rc4(), NULL, initkey, NULL, 1);
+ 	if (rc == 0) {
+ 		sslexit("securevnc_setup: EVP_CipherInit_ex(init_ctx) failed");
+ 	}
+@@ -1340,13 +1345,13 @@ static void securevnc_setup(int conn1, i
+ 	/* decode with the tmp key */
+ 	if (n > 0) {
+ 		memset(to_viewer, 0, sizeof(to_viewer));
+-		if (EVP_CipherUpdate(&init_ctx, to_viewer, &len, buf, n) == 0) {
++		if (EVP_CipherUpdate(init_ctx, to_viewer, &len, buf, n) == 0) {
+ 			sslexit("securevnc_setup: EVP_CipherUpdate(init_ctx) failed");
+ 			exit(1);
+ 		}
+ 		to_viewer_len = len;
+ 	}
+-	EVP_CIPHER_CTX_cleanup(&init_ctx);
++	EVP_CIPHER_CTX_free(init_ctx);
+ 	free(initkey);
+ 
+ 	/* print what we would send to the viewer (sent below): */
+@@ -1407,7 +1412,7 @@ static void securevnc_setup(int conn1, i
+ 
+ 	if (client_auth_req && client_auth) {
+ 		RSA *client_rsa = load_client_auth(client_auth);
+-		EVP_MD_CTX dctx;
++		EVP_MD_CTX *dctx = EVP_MD_CTX_create();
+ 		unsigned char digest[EVP_MAX_MD_SIZE], *signature;
+ 		unsigned int ndig = 0, nsig = 0;
+ 
+@@ -1421,8 +1426,8 @@ static void securevnc_setup(int conn1, i
+ 			exit(1);
+ 		}
+ 
+-		EVP_DigestInit(&dctx, EVP_sha1());
+-		EVP_DigestUpdate(&dctx, keystr, SECUREVNC_KEY_SIZE);
++		EVP_DigestInit(dctx, EVP_sha1());
++		EVP_DigestUpdate(dctx, keystr, SECUREVNC_KEY_SIZE);
+ 		/*
+ 		 * Without something like the following MITM is still possible.
+ 		 * This is because the MITM knows keystr and can use it with
+@@ -1433,7 +1438,7 @@ static void securevnc_setup(int conn1, i
+ 		 * he doesn't have Viewer_ClientAuth.pkey.
+ 		 */
+ 		if (0) {
+-			EVP_DigestUpdate(&dctx, rsasav, SECUREVNC_RSA_PUBKEY_SIZE);
++			EVP_DigestUpdate(dctx, rsasav, SECUREVNC_RSA_PUBKEY_SIZE);
+ 			if (!keystore_verified) {
+ 				fprintf(stderr, "securevnc_setup:\n");
+ 				fprintf(stderr, "securevnc_setup: Warning: even *WITH* Client Authentication in SecureVNC,\n");
+@@ -1456,7 +1461,8 @@ static void securevnc_setup(int conn1, i
+ 				fprintf(stderr, "securevnc_setup:\n");
+ 			}
+ 		}
+-		EVP_DigestFinal(&dctx, (unsigned char *)digest, &ndig);
++		EVP_DigestFinal(dctx, (unsigned char *)digest, &ndig);
++		EVP_MD_CTX_destroy(dctx);
+ 
+ 		signature = (unsigned char *) calloc(RSA_size(client_rsa), 1);
+ 		RSA_sign(NID_sha1, digest, ndig, signature, &nsig, client_rsa);
diff --git a/net-misc/ssvnc/ssvnc-1.0.29-r2.ebuild b/net-misc/ssvnc/ssvnc-1.0.29-r2.ebuild
index 0304a7237897..fbd99ff15127 100644
--- a/net-misc/ssvnc/ssvnc-1.0.29-r2.ebuild
+++ b/net-misc/ssvnc/ssvnc-1.0.29-r2.ebuild
@@ -1,9 +1,8 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=6
-
-inherit eutils multilib toolchain-funcs
+EAPI=7
+inherit toolchain-funcs
 
 DESCRIPTION="VNC viewer that adds encryption security to VNC connections"
 HOMEPAGE="http://www.karlrunge.com/x11vnc/ssvnc.html"
@@ -14,10 +13,11 @@ SLOT="0"
 KEYWORDS="amd64 x86 ~amd64-linux ~x86-linux"
 IUSE="java"
 
-RDEPEND="sys-libs/zlib
+RDEPEND="
+	sys-libs/zlib:0=
 	virtual/jpeg:0
 	dev-libs/openssl:0=
-	dev-lang/tk:0
+	dev-lang/tk:0=
 	net-misc/stunnel
 	java? ( virtual/jre:* )
 	x11-terms/xterm
@@ -25,11 +25,16 @@ RDEPEND="sys-libs/zlib
 	x11-libs/libX11
 	x11-libs/libXext
 	x11-libs/libXmu
-	x11-libs/libXt"
+	x11-libs/libXt
+"
 DEPEND="${RDEPEND}
-	java? ( virtual/jdk )"
+	java? ( virtual/jdk )
+"
 
-PATCHES=( "${FILESDIR}"/${PN}-1.0.29-build.patch )
+PATCHES=(
+	"${FILESDIR}"/${PN}-1.0.29-build.patch
+	"${FILESDIR}"/${PN}-1.0.29-openssl1.1.patch
+)
 
 src_prepare() {
 	default
@@ -55,5 +60,5 @@ src_compile() {
 
 src_install() {
 	emake DESTDIR="${D}" PREFIX="${EPREFIX}/usr" install
-	dodoc README
+	einstalldocs
 }