X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/6a17f9c26618db5e9592adabbd53c0d5729c63ea..HEAD:/servconf.h diff --git a/servconf.h b/servconf.h index 86bad5bf..c9b8619c 100644 --- a/servconf.h +++ b/servconf.h @@ -1,85 +1,169 @@ +/* $OpenBSD: servconf.h,v 1.90 2010/01/13 03:48:13 djm Exp $ */ + /* + * Author: Tatu Ylonen + * Copyright (c) 1995 Tatu Ylonen , Espoo, Finland + * All rights reserved + * Definitions for server configuration data and for the functions reading it. + * + * 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". + */ -servconf.h +#ifndef SERVCONF_H +#define SERVCONF_H -Author: Tatu Ylonen +#define MAX_PORTS 256 /* Max # ports. */ -Copyright (c) 1995 Tatu Ylonen , Espoo, Finland - All rights reserved +#define MAX_ALLOW_USERS 256 /* Max # users on allow list. */ +#define MAX_DENY_USERS 256 /* Max # users on deny list. */ +#define MAX_ALLOW_GROUPS 256 /* Max # groups on allow list. */ +#define MAX_DENY_GROUPS 256 /* Max # groups on deny list. */ +#define MAX_SUBSYSTEMS 256 /* Max # subsystems. */ +#define MAX_HOSTKEYS 256 /* Max # hostkeys. */ +#define MAX_ACCEPT_ENV 256 /* Max # of env vars. */ +#define MAX_MATCH_GROUPS 256 /* Max # of groups for Match. */ -Created: Mon Aug 21 15:35:03 1995 ylo +/* permit_root_login */ +#define PERMIT_NOT_SET -1 +#define PERMIT_NO 0 +#define PERMIT_FORCED_ONLY 1 +#define PERMIT_NO_PASSWD 2 +#define PERMIT_YES 3 -Definitions for server configuration data and for the functions reading it. +#define DEFAULT_AUTH_FAIL_MAX 6 /* Default for MaxAuthTries */ +#define DEFAULT_SESSIONS_MAX 10 /* Default for MaxSessions */ -*/ +/* Magic name for internal sftp-server */ +#define INTERNAL_SFTP_NAME "internal-sftp" -/* RCSID("$Id$"); */ +typedef struct { + u_int num_ports; + u_int ports_from_cmdline; + int ports[MAX_PORTS]; /* Port number to listen on. */ + char *listen_addr; /* Address on which the server listens. */ + struct addrinfo *listen_addrs; /* Addresses on which the server listens. */ + int address_family; /* Address family used by the server. */ + char *host_key_files[MAX_HOSTKEYS]; /* Files containing host keys. */ + int num_host_key_files; /* Number of files for host keys. */ + char *pid_file; /* Where to put our pid */ + int server_key_bits;/* Size of the server key. */ + int login_grace_time; /* Disconnect if no auth in this time + * (sec). */ + int key_regeneration_time; /* Server key lifetime (seconds). */ + int permit_root_login; /* PERMIT_*, see above */ + int ignore_rhosts; /* Ignore .rhosts and .shosts. */ + int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts + * for RhostsRsaAuth */ + int print_motd; /* If true, print /etc/motd. */ + int print_lastlog; /* If true, print lastlog */ + int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */ + int x11_display_offset; /* What DISPLAY number to start + * searching at */ + int x11_use_localhost; /* If true, use localhost for fake X11 server. */ + char *xauth_location; /* Location of xauth program */ + int strict_modes; /* If true, require string home dir modes. */ + int tcp_keep_alive; /* If true, set SO_KEEPALIVE. */ + char *ciphers; /* Supported SSH2 ciphers. */ + char *macs; /* Supported SSH2 macs. */ + int protocol; /* Supported protocol versions. */ + int gateway_ports; /* If true, allow remote connects to forwarded ports. */ + SyslogFacility log_facility; /* Facility for system logging. */ + LogLevel log_level; /* Level for system logging. */ + int rhosts_rsa_authentication; /* If true, permit rhosts RSA + * authentication. */ + int hostbased_authentication; /* If true, permit ssh2 hostbased auth */ + int hostbased_uses_name_from_packet_only; /* experimental */ + int rsa_authentication; /* If true, permit RSA authentication. */ + int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */ + int kerberos_authentication; /* If true, permit Kerberos + * authentication. */ + int kerberos_or_local_passwd; /* If true, permit kerberos + * and any other password + * authentication mechanism, + * such as SecurID or + * /etc/passwd */ + int kerberos_ticket_cleanup; /* If true, destroy ticket + * file on logout. */ + int kerberos_get_afs_token; /* If true, try to get AFS token if + * authenticated with Kerberos. */ + int gss_authentication; /* If true, permit GSSAPI authentication */ + int gss_cleanup_creds; /* If true, destroy cred cache on logout */ + int password_authentication; /* If true, permit password + * authentication. */ + int kbd_interactive_authentication; /* If true, permit */ + int challenge_response_authentication; + int zero_knowledge_password_authentication; + /* If true, permit jpake auth */ + int permit_empty_passwd; /* If false, do not permit empty + * passwords. */ + int permit_user_env; /* If true, read ~/.ssh/environment */ + int use_login; /* If true, login(1) is used */ + int compression; /* If true, compression is allowed */ + int allow_tcp_forwarding; + int allow_agent_forwarding; + u_int num_allow_users; + char *allow_users[MAX_ALLOW_USERS]; + u_int num_deny_users; + char *deny_users[MAX_DENY_USERS]; + u_int num_allow_groups; + char *allow_groups[MAX_ALLOW_GROUPS]; + u_int num_deny_groups; + char *deny_groups[MAX_DENY_GROUPS]; -#ifndef SERVCONF_H -#define SERVCONF_H + u_int num_subsystems; + char *subsystem_name[MAX_SUBSYSTEMS]; + char *subsystem_command[MAX_SUBSYSTEMS]; + char *subsystem_args[MAX_SUBSYSTEMS]; + + u_int num_accept_env; + char *accept_env[MAX_ACCEPT_ENV]; + + int max_startups_begin; + int max_startups_rate; + int max_startups; + int max_authtries; + int max_sessions; + char *banner; /* SSH-2 banner message */ + int use_dns; + int client_alive_interval; /* + * poke the client this often to + * see if it's still there + */ + int client_alive_count_max; /* + * If the client is unresponsive + * for this many intervals above, + * disconnect the session + */ + + char *authorized_keys_file; /* File containing public keys */ + char *authorized_keys_file2; + + char *adm_forced_command; + + int use_pam; /* Enable auth via PAM */ + + int permit_tun; + + int num_permitted_opens; + + char *chroot_directory; +} ServerOptions; + +void initialize_server_options(ServerOptions *); +void fill_default_server_options(ServerOptions *); +int process_server_config_line(ServerOptions *, char *, const char *, int, + int *, const char *, const char *, const char *); +void load_server_config(const char *, Buffer *); +void parse_server_config(ServerOptions *, const char *, Buffer *, + const char *, const char *, const char *); +void parse_server_match_config(ServerOptions *, const char *, const char *, + const char *); +void copy_set_server_options(ServerOptions *, ServerOptions *, int); +void dump_config(ServerOptions *); +char *derelativise_path(const char *); -#define MAX_ALLOW_USERS 256 /* Max # users on allow list. */ -#define MAX_DENY_USERS 256 /* Max # users on deny list. */ -#define MAX_ALLOW_GROUPS 256 /* Max # groups on allow list. */ -#define MAX_DENY_GROUPS 256 /* Max # groups on deny list. */ - -typedef struct -{ - int port; /* Port number to listen on. */ - struct in_addr listen_addr; /* Address on which the server listens. */ - char *host_key_file; /* File containing host key. */ - int server_key_bits; /* Size of the server key. */ - int login_grace_time; /* Disconnect if no auth in this time (sec). */ - int key_regeneration_time; /* Server key lifetime (seconds). */ - int permit_root_login; /* If true, permit root login. */ - int ignore_rhosts; /* Ignore .rhosts and .shosts. */ - int print_motd; /* If true, print /etc/motd. */ - int check_mail; /* If true, check for new mail. */ - int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */ - int x11_display_offset; /* What DISPLAY number to start searching at */ - int strict_modes; /* If true, require string home dir modes. */ - int keepalives; /* If true, set SO_KEEPALIVE. */ - SyslogFacility log_facility; /* Facility for system logging. */ - LogLevel log_level; /* Level for system logging. */ - int rhosts_authentication; /* If true, permit rhosts authentication. */ - int rhosts_rsa_authentication;/* If true, permit rhosts RSA authentication.*/ - int rsa_authentication; /* If true, permit RSA authentication. */ -#ifdef KRB4 - int kerberos_authentication; /* If true, permit Kerberos authentication. */ - int kerberos_or_local_passwd; /* If true, permit kerberos and any other - password authentication mechanism, such - as SecurID or /etc/passwd */ - int kerberos_ticket_cleanup; /* If true, destroy ticket file on logout. */ -#endif -#ifdef AFS - int kerberos_tgt_passing; /* If true, permit Kerberos tgt passing. */ - int afs_token_passing; /* If true, permit AFS token passing. */ -#endif - int password_authentication; /* If true, permit password authentication. */ -#ifdef SKEY - int skey_authentication; /* If true, permit s/key authentication. */ -#endif - int permit_empty_passwd; /* If false, do not permit empty passwords. */ - int use_login; /* If true, login(1) is used */ - unsigned int num_allow_users; - char *allow_users[MAX_ALLOW_USERS]; - unsigned int num_deny_users; - char *deny_users[MAX_DENY_USERS]; - unsigned int num_allow_groups; - char *allow_groups[MAX_ALLOW_GROUPS]; - unsigned int num_deny_groups; - char *deny_groups[MAX_DENY_GROUPS]; -} ServerOptions; - -/* Initializes the server options to special values that indicate that they - have not yet been set. */ -void initialize_server_options(ServerOptions *options); - -/* Reads the server configuration file. This only sets the values for those - options that have the special value indicating they have not been set. */ -void read_server_config(ServerOptions *options, const char *filename); - -/* Sets values for those values that have not yet been set. */ -void fill_default_server_options(ServerOptions *options); - -#endif /* SERVCONF_H */ +#endif /* SERVCONF_H */