Merge upstream-master into master

Commit ecb2c02d994b3e21994f31a70ff911667c262f1f upstream

This nearly (but not quite) corresponds to V_8_3_P1; subsequent
cherry-picks will correct this.

Bug: 162492243
Change-Id: I3c079d86435b7c25aefff4538dc89a3002b1e25b

1 files changed, 16 insertions, 34 deletions

diff --git a/sshconnect.h b/sshconnect.h
index 0ea6e99f..7c091e2b 100644
--- a/sshconnect.h
+++ b/sshconnect.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshconnect.h,v 1.28 2013/10/16 02:31:47 djm Exp $ */
+/* $OpenBSD: sshconnect.h,v 1.40 2020/01/25 07:17:18 djm Exp $ */
 
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
@@ -26,50 +26,32 @@
 
 typedef struct Sensitive Sensitive;
 struct Sensitive {
-	Key	**keys;
-	int	nkeys;
-	int	external_keysign;
+	struct sshkey	**keys;
+	int		nkeys;
 };
 
 struct addrinfo;
-int	 ssh_connect(const char *, struct addrinfo *, struct sockaddr_storage *,
-    u_short, int, int, int *, int, int);
-void	 ssh_kill_proxy_command(void);
+struct ssh;
 
-void	 ssh_login(Sensitive *, const char *, struct sockaddr *, u_short,
-    struct passwd *, int);
+int	 ssh_connect(struct ssh *, const char *, const char *,
+	    struct addrinfo *, struct sockaddr_storage *, u_short,
+	    int, int, int *, int);
+void	 ssh_kill_proxy_command(void);
 
-void	 ssh_exchange_identification(int);
+void	 ssh_login(struct ssh *, Sensitive *, const char *,
+    struct sockaddr *, u_short, struct passwd *, int);
 
-int	 verify_host_key(char *, struct sockaddr *, Key *);
+int	 verify_host_key(char *, struct sockaddr *, struct sshkey *);
 
 void	 get_hostfile_hostname_ipaddr(char *, struct sockaddr *, u_short,
     char **, char **);
 
-void	 ssh_kex(char *, struct sockaddr *);
-void	 ssh_kex2(char *, struct sockaddr *, u_short);
+void	 ssh_kex2(struct ssh *ssh, char *, struct sockaddr *, u_short);
 
-void	 ssh_userauth1(const char *, const char *, char *, Sensitive *);
-void	 ssh_userauth2(const char *, const char *, char *, Sensitive *);
+void	 ssh_userauth2(struct ssh *ssh, const char *, const char *,
+    char *, Sensitive *);
 
-void	 ssh_put_password(char *);
 int	 ssh_local_cmd(const char *);
 
-/*
- * Macros to raise/lower permissions.
- */
-#define PRIV_START do {					\
-	int save_errno = errno;				\
-	if (seteuid(original_effective_uid) != 0)	\
-		fatal("PRIV_START: seteuid: %s",	\
-		    strerror(errno));			\
-	errno = save_errno;				\
-} while (0)
-
-#define PRIV_END do {					\
-	int save_errno = errno;				\
-	if (seteuid(original_real_uid) != 0)		\
-		fatal("PRIV_END: seteuid: %s",		\
-		    strerror(errno));			\
-	errno = save_errno;				\
-} while (0)
+void	 maybe_add_key_to_agent(const char *, struct sshkey *,
+    const char *, const char *);