Adding upstream version 1:9.2p1.upstream/1%9.2p1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 248 insertions, 0 deletions

diff --git a/readconf.h b/readconf.h
new file mode 100644
index 0000000..2ce1b4c
--- /dev/null
+++ b/readconf.h
@@ -0,0 +1,248 @@
+/* $OpenBSD: readconf.h,v 1.150 2023/01/13 02:58:20 dtucker Exp $ */
+
+/*
+ * Author: Tatu Ylonen <ylo@cs.hut.fi>
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ *                    All rights reserved
+ * Functions for reading the configuration file.
+ *
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose.  Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
+ */
+
+#ifndef READCONF_H
+#define READCONF_H
+
+/* Data structure for representing option data. */
+
+#define SSH_MAX_HOSTS_FILES	32
+#define MAX_CANON_DOMAINS	32
+#define PATH_MAX_SUN		(sizeof((struct sockaddr_un *)0)->sun_path)
+
+struct allowed_cname {
+	char *source_list;
+	char *target_list;
+};
+
+typedef struct {
+	char   *host_arg;	/* Host arg as specified on command line. */
+	int     forward_agent;	/* Forward authentication agent. */
+	char   *forward_agent_sock_path; /* Optional path of the agent. */
+	int     forward_x11;	/* Forward X11 display. */
+	int     forward_x11_timeout;	/* Expiration for Cookies */
+	int     forward_x11_trusted;	/* Trust Forward X11 display. */
+	int     exit_on_forward_failure;	/* Exit if bind(2) fails for -L/-R */
+	char   *xauth_location;	/* Location for xauth program */
+	struct ForwardOptions fwd_opts;	/* forwarding options */
+	int     pubkey_authentication;	/* Try ssh2 pubkey authentication. */
+	int     hostbased_authentication;	/* ssh2's rhosts_rsa */
+	int     gss_authentication;	/* Try GSS authentication */
+	int     gss_deleg_creds;	/* Delegate GSS credentials */
+	int     password_authentication;	/* Try password
+						 * authentication. */
+	int     kbd_interactive_authentication; /* Try keyboard-interactive auth. */
+	char	*kbd_interactive_devices; /* Keyboard-interactive auth devices. */
+	int     batch_mode;	/* Batch mode: do not ask for passwords. */
+	int     check_host_ip;	/* Also keep track of keys for IP address */
+	int     strict_host_key_checking;	/* Strict host key checking. */
+	int     compression;	/* Compress packets in both directions. */
+	int     tcp_keep_alive;	/* Set SO_KEEPALIVE. */
+	int	ip_qos_interactive;	/* IP ToS/DSCP/class for interactive */
+	int	ip_qos_bulk;		/* IP ToS/DSCP/class for bulk traffic */
+	SyslogFacility log_facility;	/* Facility for system logging. */
+	LogLevel log_level;	/* Level for logging. */
+	u_int	num_log_verbose;	/* Verbose log overrides */
+	char   **log_verbose;
+	int     port;		/* Port to connect. */
+	int     address_family;
+	int     connection_attempts;	/* Max attempts (seconds) before
+					 * giving up */
+	int     connection_timeout;	/* Max time (seconds) before
+					 * aborting connection attempt */
+	int     number_of_password_prompts;	/* Max number of password
+						 * prompts. */
+	char   *ciphers;	/* SSH2 ciphers in order of preference. */
+	char   *macs;		/* SSH2 macs in order of preference. */
+	char   *hostkeyalgorithms;	/* SSH2 server key types in order of preference. */
+	char   *kex_algorithms;	/* SSH2 kex methods in order of preference. */
+	char   *ca_sign_algorithms;	/* Allowed CA signature algorithms */
+	char   *hostname;	/* Real host to connect. */
+	char   *host_key_alias;	/* hostname alias for .ssh/known_hosts */
+	char   *proxy_command;	/* Proxy command for connecting the host. */
+	char   *user;		/* User to log in as. */
+	int     escape_char;	/* Escape character; -2 = none */
+
+	u_int	num_system_hostfiles;	/* Paths for /etc/ssh/ssh_known_hosts */
+	char   *system_hostfiles[SSH_MAX_HOSTS_FILES];
+	u_int	num_user_hostfiles;	/* Path for $HOME/.ssh/known_hosts */
+	char   *user_hostfiles[SSH_MAX_HOSTS_FILES];
+	char   *preferred_authentications;
+	char   *bind_address;	/* local socket address for connection to sshd */
+	char   *bind_interface;	/* local interface for bind address */
+	char   *pkcs11_provider; /* PKCS#11 provider */
+	char   *sk_provider; /* Security key provider */
+	int	verify_host_key_dns;	/* Verify host key using DNS */
+
+	int     num_identity_files;	/* Number of files for RSA/DSA identities. */
+	char   *identity_files[SSH_MAX_IDENTITY_FILES];
+	int    identity_file_userprovided[SSH_MAX_IDENTITY_FILES];
+	struct sshkey *identity_keys[SSH_MAX_IDENTITY_FILES];
+
+	int	num_certificate_files; /* Number of extra certificates for ssh. */
+	char	*certificate_files[SSH_MAX_CERTIFICATE_FILES];
+	int	certificate_file_userprovided[SSH_MAX_CERTIFICATE_FILES];
+	struct sshkey *certificates[SSH_MAX_CERTIFICATE_FILES];
+
+	int	add_keys_to_agent;
+	int	add_keys_to_agent_lifespan;
+	char   *identity_agent;		/* Optional path to ssh-agent socket */
+
+	/* Local TCP/IP forward requests. */
+	int     num_local_forwards;
+	struct Forward *local_forwards;
+
+	/* Remote TCP/IP forward requests. */
+	int     num_remote_forwards;
+	struct Forward *remote_forwards;
+	int	clear_forwardings;
+
+	/* Restrict remote dynamic forwarding */
+	char  **permitted_remote_opens;
+	u_int	num_permitted_remote_opens;
+
+	/* stdio forwarding (-W) host and port */
+	char   *stdio_forward_host;
+	int	stdio_forward_port;
+
+	int	enable_ssh_keysign;
+	int64_t rekey_limit;
+	int	rekey_interval;
+	int	no_host_authentication_for_localhost;
+	int	identities_only;
+	int	server_alive_interval;
+	int	server_alive_count_max;
+
+	u_int	num_send_env;
+	char	**send_env;
+	u_int	num_setenv;
+	char	**setenv;
+
+	char	*control_path;
+	int	control_master;
+	int     control_persist; /* ControlPersist flag */
+	int     control_persist_timeout; /* ControlPersist timeout (seconds) */
+
+	int	hash_known_hosts;
+
+	int	tun_open;	/* tun(4) */
+	int     tun_local;	/* force tun device (optional) */
+	int     tun_remote;	/* force tun device (optional) */
+
+	char	*local_command;
+	int	permit_local_command;
+	char	*remote_command;
+	int	visual_host_key;
+
+	int	request_tty;
+	int	session_type;
+	int	stdin_null;
+	int	fork_after_authentication;
+
+	int	proxy_use_fdpass;
+
+	int	num_canonical_domains;
+	char	*canonical_domains[MAX_CANON_DOMAINS];
+	int	canonicalize_hostname;
+	int	canonicalize_max_dots;
+	int	canonicalize_fallback_local;
+	int	num_permitted_cnames;
+	struct allowed_cname permitted_cnames[MAX_CANON_DOMAINS];
+
+	char	*revoked_host_keys;
+
+	int	 fingerprint_hash;
+
+	int	 update_hostkeys; /* one of SSH_UPDATE_HOSTKEYS_* */
+
+	char   *hostbased_accepted_algos;
+	char   *pubkey_accepted_algos;
+
+	char   *jump_user;
+	char   *jump_host;
+	int	jump_port;
+	char   *jump_extra;
+
+	char   *known_hosts_command;
+
+	int	required_rsa_size;	/* minimum size of RSA keys */
+	int	enable_escape_commandline;	/* ~C commandline */
+
+	char	*ignored_unknown; /* Pattern list of unknown tokens to ignore */
+}       Options;
+
+#define SSH_PUBKEY_AUTH_NO	0x00
+#define SSH_PUBKEY_AUTH_UNBOUND	0x01
+#define SSH_PUBKEY_AUTH_HBOUND	0x02
+#define SSH_PUBKEY_AUTH_ALL	0x03
+
+#define SSH_CANONICALISE_NO	0
+#define SSH_CANONICALISE_YES	1
+#define SSH_CANONICALISE_ALWAYS	2
+
+#define SSHCTL_MASTER_NO	0
+#define SSHCTL_MASTER_YES	1
+#define SSHCTL_MASTER_AUTO	2
+#define SSHCTL_MASTER_ASK	3
+#define SSHCTL_MASTER_AUTO_ASK	4
+
+#define REQUEST_TTY_AUTO	0
+#define REQUEST_TTY_NO		1
+#define REQUEST_TTY_YES		2
+#define REQUEST_TTY_FORCE	3
+
+#define SESSION_TYPE_NONE	0
+#define SESSION_TYPE_SUBSYSTEM	1
+#define SESSION_TYPE_DEFAULT	2
+
+#define SSHCONF_CHECKPERM	1  /* check permissions on config file */
+#define SSHCONF_USERCONF	2  /* user provided config file not system */
+#define SSHCONF_FINAL		4  /* Final pass over config, after canon. */
+#define SSHCONF_NEVERMATCH	8  /* Match/Host never matches; internal only */
+
+#define SSH_UPDATE_HOSTKEYS_NO	0
+#define SSH_UPDATE_HOSTKEYS_YES	1
+#define SSH_UPDATE_HOSTKEYS_ASK	2
+
+#define SSH_STRICT_HOSTKEY_OFF	0
+#define SSH_STRICT_HOSTKEY_NEW	1
+#define SSH_STRICT_HOSTKEY_YES	2
+#define SSH_STRICT_HOSTKEY_ASK	3
+
+const char *kex_default_pk_alg(void);
+char	*ssh_connection_hash(const char *thishost, const char *host,
+    const char *portstr, const char *user);
+void     initialize_options(Options *);
+int      fill_default_options(Options *);
+void	 fill_default_options_for_canonicalization(Options *);
+void	 free_options(Options *o);
+int	 process_config_line(Options *, struct passwd *, const char *,
+    const char *, char *, const char *, int, int *, int);
+int	 read_config_file(const char *, struct passwd *, const char *,
+    const char *, Options *, int, int *);
+int	 parse_forward(struct Forward *, const char *, int, int);
+int	 parse_jump(const char *, Options *, int);
+int	 parse_ssh_uri(const char *, char **, char **, int *);
+int	 default_ssh_port(void);
+int	 option_clear_or_none(const char *);
+int	 config_has_permitted_cnames(Options *);
+void	 dump_client_config(Options *o, const char *host);
+
+void	 add_local_forward(Options *, const struct Forward *);
+void	 add_remote_forward(Options *, const struct Forward *);
+void	 add_identity_file(Options *, const char *, const char *, int);
+void	 add_certificate_file(Options *, const char *, int);
+
+#endif				/* READCONF_H */