Annotation of src/crypto/external/bsd/openssh/dist/readconf.h, Revision 1.1.1.18
1.1.1.18! christos 1: /* $OpenBSD: readconf.h,v 1.133 2020/04/03 02:27:12 dtucker Exp $ */
1.1 christos 2:
3: /*
4: * Author: Tatu Ylonen <ylo@cs.hut.fi>
5: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6: * All rights reserved
7: * Functions for reading the configuration file.
8: *
9: * As far as I am concerned, the code I have written for this software
10: * can be used freely for any purpose. Any derived versions of this
11: * software must be clearly marked as such, and if the derived work is
12: * incompatible with the protocol description in the RFC file, it must be
13: * called by a name other than "ssh" or "Secure Shell".
14: */
15:
16: #ifndef READCONF_H
17: #define READCONF_H
18:
19: /* Data structure for representing option data. */
20:
1.1.1.8 christos 21: #define SSH_MAX_HOSTS_FILES 32
22: #define MAX_CANON_DOMAINS 32
23: #define PATH_MAX_SUN (sizeof((struct sockaddr_un *)0)->sun_path)
24:
25: struct allowed_cname {
26: char *source_list;
27: char *target_list;
28: };
1.1 christos 29:
30: typedef struct {
31: int forward_agent; /* Forward authentication agent. */
1.1.1.17 christos 32: char *forward_agent_sock_path; /* Optional path of the agent. */
1.1 christos 33: int forward_x11; /* Forward X11 display. */
1.1.1.3 adam 34: int forward_x11_timeout; /* Expiration for Cookies */
1.1 christos 35: int forward_x11_trusted; /* Trust Forward X11 display. */
36: int exit_on_forward_failure; /* Exit if bind(2) fails for -L/-R */
37: char *xauth_location; /* Location for xauth program */
1.1.1.8 christos 38: struct ForwardOptions fwd_opts; /* forwarding options */
1.1 christos 39: int pubkey_authentication; /* Try ssh2 pubkey authentication. */
40: int hostbased_authentication; /* ssh2's rhosts_rsa */
41: int challenge_response_authentication;
42: /* Try S/Key or TIS, authentication. */
43: int gss_authentication; /* Try GSS authentication */
44: int gss_deleg_creds; /* Delegate GSS credentials */
45: int password_authentication; /* Try password
46: * authentication. */
47: int kbd_interactive_authentication; /* Try keyboard-interactive auth. */
48: char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */
49: int batch_mode; /* Batch mode: do not ask for passwords. */
50: int check_host_ip; /* Also keep track of keys for IP address */
51: int strict_host_key_checking; /* Strict host key checking. */
52: int compression; /* Compress packets in both directions. */
53: int tcp_keep_alive; /* Set SO_KEEPALIVE. */
1.1.1.4 christos 54: int ip_qos_interactive; /* IP ToS/DSCP/class for interactive */
55: int ip_qos_bulk; /* IP ToS/DSCP/class for bulk traffic */
1.1.1.13 christos 56: SyslogFacility log_facility; /* Facility for system logging. */
1.1 christos 57: LogLevel log_level; /* Level for logging. */
58:
59: int port; /* Port to connect. */
60: int address_family;
61: int connection_attempts; /* Max attempts (seconds) before
62: * giving up */
63: int connection_timeout; /* Max time (seconds) before
64: * aborting connection attempt */
65: int number_of_password_prompts; /* Max number of password
66: * prompts. */
67: char *ciphers; /* SSH2 ciphers in order of preference. */
68: char *macs; /* SSH2 macs in order of preference. */
69: char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */
1.1.1.4 christos 70: char *kex_algorithms; /* SSH2 kex methods in order of preference. */
1.1.1.16 christos 71: char *ca_sign_algorithms; /* Allowed CA signature algorithms */
1.1 christos 72: char *hostname; /* Real host to connect. */
73: char *host_key_alias; /* hostname alias for .ssh/known_hosts */
74: char *proxy_command; /* Proxy command for connecting the host. */
75: char *user; /* User to log in as. */
76: int escape_char; /* Escape character; -2 = none */
77:
1.1.1.5 christos 78: u_int num_system_hostfiles; /* Paths for /etc/ssh/ssh_known_hosts */
79: char *system_hostfiles[SSH_MAX_HOSTS_FILES];
80: u_int num_user_hostfiles; /* Path for $HOME/.ssh/known_hosts */
81: char *user_hostfiles[SSH_MAX_HOSTS_FILES];
1.1 christos 82: char *preferred_authentications;
83: char *bind_address; /* local socket address for connection to sshd */
1.1.1.14 christos 84: char *bind_interface; /* local interface for bind address */
1.1.1.3 adam 85: char *pkcs11_provider; /* PKCS#11 provider */
1.1.1.17 christos 86: char *sk_provider; /* Security key provider */
1.1 christos 87: int verify_host_key_dns; /* Verify host key using DNS */
88:
89: int num_identity_files; /* Number of files for RSA/DSA identities. */
90: char *identity_files[SSH_MAX_IDENTITY_FILES];
1.1.1.7 christos 91: int identity_file_userprovided[SSH_MAX_IDENTITY_FILES];
1.1.1.9 christos 92: struct sshkey *identity_keys[SSH_MAX_IDENTITY_FILES];
1.1 christos 93:
1.1.1.11 christos 94: int num_certificate_files; /* Number of extra certificates for ssh. */
95: char *certificate_files[SSH_MAX_CERTIFICATE_FILES];
96: int certificate_file_userprovided[SSH_MAX_CERTIFICATE_FILES];
97: struct sshkey *certificates[SSH_MAX_CERTIFICATE_FILES];
98:
99: int add_keys_to_agent;
1.1.1.12 christos 100: char *identity_agent; /* Optional path to ssh-agent socket */
1.1.1.11 christos 101:
1.1 christos 102: /* Local TCP/IP forward requests. */
103: int num_local_forwards;
1.1.1.8 christos 104: struct Forward *local_forwards;
1.1 christos 105:
106: /* Remote TCP/IP forward requests. */
107: int num_remote_forwards;
1.1.1.8 christos 108: struct Forward *remote_forwards;
1.1 christos 109: int clear_forwardings;
110:
1.1.1.12 christos 111: /* stdio forwarding (-W) host and port */
112: char *stdio_forward_host;
113: int stdio_forward_port;
114:
1.1 christos 115: int enable_ssh_keysign;
116: int64_t rekey_limit;
1.1.1.7 christos 117: int rekey_interval;
1.1 christos 118: int no_host_authentication_for_localhost;
119: int identities_only;
120: int server_alive_interval;
121: int server_alive_count_max;
122:
123: int num_send_env;
1.1.1.15 christos 124: char **send_env;
125: int num_setenv;
126: char **setenv;
1.1 christos 127:
128: char *control_path;
129: int control_master;
1.1.1.3 adam 130: int control_persist; /* ControlPersist flag */
131: int control_persist_timeout; /* ControlPersist timeout (seconds) */
1.1 christos 132:
133: int hash_known_hosts;
134:
135: int tun_open; /* tun(4) */
136: int tun_local; /* force tun device (optional) */
137: int tun_remote; /* force tun device (optional) */
138:
139: char *local_command;
140: int permit_local_command;
1.1.1.13 christos 141: char *remote_command;
1.1 christos 142: int visual_host_key;
143:
1.1.1.5 christos 144: int request_tty;
1.1.1.7 christos 145:
1.1.1.8 christos 146: int proxy_use_fdpass;
147:
148: int num_canonical_domains;
149: char *canonical_domains[MAX_CANON_DOMAINS];
150: int canonicalize_hostname;
151: int canonicalize_max_dots;
152: int canonicalize_fallback_local;
153: int num_permitted_cnames;
154: struct allowed_cname permitted_cnames[MAX_CANON_DOMAINS];
155:
1.1.1.9 christos 156: char *revoked_host_keys;
157:
158: int fingerprint_hash;
159:
160: int update_hostkeys; /* one of SSH_UPDATE_HOSTKEYS_* */
161:
1.1.1.10 christos 162: char *hostbased_key_types;
163: char *pubkey_key_types;
1.1.1.9 christos 164:
1.1.1.12 christos 165: char *jump_user;
166: char *jump_host;
167: int jump_port;
168: char *jump_extra;
169:
1.1.1.7 christos 170: char *ignored_unknown; /* Pattern list of unknown tokens to ignore */
1.1 christos 171: } Options;
172:
1.1.1.8 christos 173: #define SSH_CANONICALISE_NO 0
174: #define SSH_CANONICALISE_YES 1
175: #define SSH_CANONICALISE_ALWAYS 2
176:
1.1 christos 177: #define SSHCTL_MASTER_NO 0
178: #define SSHCTL_MASTER_YES 1
179: #define SSHCTL_MASTER_AUTO 2
180: #define SSHCTL_MASTER_ASK 3
181: #define SSHCTL_MASTER_AUTO_ASK 4
182:
1.1.1.5 christos 183: #define REQUEST_TTY_AUTO 0
184: #define REQUEST_TTY_NO 1
185: #define REQUEST_TTY_YES 2
186: #define REQUEST_TTY_FORCE 3
187:
1.1.1.7 christos 188: #define SSHCONF_CHECKPERM 1 /* check permissions on config file */
189: #define SSHCONF_USERCONF 2 /* user provided config file not system */
1.1.1.16 christos 190: #define SSHCONF_FINAL 4 /* Final pass over config, after canon. */
1.1.1.12 christos 191: #define SSHCONF_NEVERMATCH 8 /* Match/Host never matches; internal only */
1.1.1.9 christos 192:
193: #define SSH_UPDATE_HOSTKEYS_NO 0
194: #define SSH_UPDATE_HOSTKEYS_YES 1
195: #define SSH_UPDATE_HOSTKEYS_ASK 2
1.1.1.7 christos 196:
1.1.1.13 christos 197: #define SSH_STRICT_HOSTKEY_OFF 0
198: #define SSH_STRICT_HOSTKEY_NEW 1
199: #define SSH_STRICT_HOSTKEY_YES 2
200: #define SSH_STRICT_HOSTKEY_ASK 3
201:
1.1.1.17 christos 202: const char *kex_default_pk_alg(void);
1.1.1.18! christos 203: char *ssh_connection_hash(const char *thishost, const char *host,
! 204: const char *portstr, const char *user);
1.1 christos 205: void initialize_options(Options *);
206: void fill_default_options(Options *);
1.1.1.8 christos 207: void fill_default_options_for_canonicalization(Options *);
1.1.1.9 christos 208: int process_config_line(Options *, struct passwd *, const char *,
209: const char *, char *, const char *, int, int *, int);
1.1.1.8 christos 210: int read_config_file(const char *, struct passwd *, const char *,
1.1.1.16 christos 211: const char *, Options *, int, int *);
1.1.1.8 christos 212: int parse_forward(struct Forward *, const char *, int, int);
1.1.1.12 christos 213: int parse_jump(const char *, Options *, int);
1.1.1.14 christos 214: int parse_ssh_uri(const char *, char **, char **, int *);
1.1.1.8 christos 215: int default_ssh_port(void);
216: int option_clear_or_none(const char *);
1.1.1.9 christos 217: void dump_client_config(Options *o, const char *host);
1.1 christos 218:
1.1.1.8 christos 219: void add_local_forward(Options *, const struct Forward *);
220: void add_remote_forward(Options *, const struct Forward *);
1.1.1.7 christos 221: void add_identity_file(Options *, const char *, const char *, int);
1.1.1.11 christos 222: void add_certificate_file(Options *, const char *, int);
1.1 christos 223:
224: #endif /* READCONF_H */
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