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-rw-r--r--crypto/openssh/readconf.c778
1 files changed, 0 insertions, 778 deletions
diff --git a/crypto/openssh/readconf.c b/crypto/openssh/readconf.c
deleted file mode 100644
index 2053c67aa2bc9..0000000000000
--- a/crypto/openssh/readconf.c
+++ /dev/null
@@ -1,778 +0,0 @@
-/*
- *
- * readconf.c
- *
- * Author: Tatu Ylonen <ylo@cs.hut.fi>
- *
- * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
- * All rights reserved
- *
- * Created: Sat Apr 22 00:03:10 1995 ylo
- *
- * Functions for reading the configuration files.
- *
- */
-
-#include "includes.h"
-RCSID("$Id: readconf.c,v 1.31 2000/05/08 17:12:15 markus Exp $");
-
-#include "ssh.h"
-#include "cipher.h"
-#include "readconf.h"
-#include "match.h"
-#include "xmalloc.h"
-#include "compat.h"
-
-/* Format of the configuration file:
-
- # Configuration data is parsed as follows:
- # 1. command line options
- # 2. user-specific file
- # 3. system-wide file
- # Any configuration value is only changed the first time it is set.
- # Thus, host-specific definitions should be at the beginning of the
- # configuration file, and defaults at the end.
-
- # Host-specific declarations. These may override anything above. A single
- # host may match multiple declarations; these are processed in the order
- # that they are given in.
-
- Host *.ngs.fi ngs.fi
- FallBackToRsh no
-
- Host fake.com
- HostName another.host.name.real.org
- User blaah
- Port 34289
- ForwardX11 no
- ForwardAgent no
-
- Host books.com
- RemoteForward 9999 shadows.cs.hut.fi:9999
- Cipher 3des
-
- Host fascist.blob.com
- Port 23123
- User tylonen
- RhostsAuthentication no
- PasswordAuthentication no
-
- Host puukko.hut.fi
- User t35124p
- ProxyCommand ssh-proxy %h %p
-
- Host *.fr
- UseRsh yes
-
- Host *.su
- Cipher none
- PasswordAuthentication no
-
- # Defaults for various options
- Host *
- ForwardAgent no
- ForwardX11 yes
- RhostsAuthentication yes
- PasswordAuthentication yes
- RSAAuthentication yes
- RhostsRSAAuthentication yes
- FallBackToRsh no
- UseRsh no
- StrictHostKeyChecking yes
- KeepAlives no
- IdentityFile ~/.ssh/identity
- Port 22
- EscapeChar ~
-
-*/
-
-/* Keyword tokens. */
-
-typedef enum {
- oBadOption,
- oForwardAgent, oForwardX11, oGatewayPorts, oRhostsAuthentication,
- oPasswordAuthentication, oRSAAuthentication, oFallBackToRsh, oUseRsh,
- oSkeyAuthentication,
-#ifdef KRB4
- oKerberosAuthentication,
-#endif /* KRB4 */
-#ifdef AFS
- oKerberosTgtPassing, oAFSTokenPassing,
-#endif
- oIdentityFile, oHostName, oPort, oCipher, oRemoteForward, oLocalForward,
- oUser, oHost, oEscapeChar, oRhostsRSAAuthentication, oProxyCommand,
- oGlobalKnownHostsFile, oUserKnownHostsFile, oConnectionAttempts,
- oBatchMode, oCheckHostIP, oStrictHostKeyChecking, oCompression,
- oCompressionLevel, oKeepAlives, oNumberOfPasswordPrompts, oTISAuthentication,
- oUsePrivilegedPort, oLogLevel, oCiphers, oProtocol, oIdentityFile2,
- oGlobalKnownHostsFile2, oUserKnownHostsFile2, oDSAAuthentication
-} OpCodes;
-
-/* Textual representations of the tokens. */
-
-static struct {
- const char *name;
- OpCodes opcode;
-} keywords[] = {
- { "forwardagent", oForwardAgent },
- { "forwardx11", oForwardX11 },
- { "gatewayports", oGatewayPorts },
- { "useprivilegedport", oUsePrivilegedPort },
- { "rhostsauthentication", oRhostsAuthentication },
- { "passwordauthentication", oPasswordAuthentication },
- { "rsaauthentication", oRSAAuthentication },
- { "dsaauthentication", oDSAAuthentication },
- { "skeyauthentication", oSkeyAuthentication },
-#ifdef KRB4
- { "kerberosauthentication", oKerberosAuthentication },
-#endif /* KRB4 */
-#ifdef AFS
- { "kerberostgtpassing", oKerberosTgtPassing },
- { "afstokenpassing", oAFSTokenPassing },
-#endif
- { "fallbacktorsh", oFallBackToRsh },
- { "usersh", oUseRsh },
- { "identityfile", oIdentityFile },
- { "identityfile2", oIdentityFile2 },
- { "hostname", oHostName },
- { "proxycommand", oProxyCommand },
- { "port", oPort },
- { "cipher", oCipher },
- { "ciphers", oCiphers },
- { "protocol", oProtocol },
- { "remoteforward", oRemoteForward },
- { "localforward", oLocalForward },
- { "user", oUser },
- { "host", oHost },
- { "escapechar", oEscapeChar },
- { "rhostsrsaauthentication", oRhostsRSAAuthentication },
- { "globalknownhostsfile", oGlobalKnownHostsFile },
- { "userknownhostsfile", oUserKnownHostsFile },
- { "globalknownhostsfile2", oGlobalKnownHostsFile2 },
- { "userknownhostsfile2", oUserKnownHostsFile2 },
- { "connectionattempts", oConnectionAttempts },
- { "batchmode", oBatchMode },
- { "checkhostip", oCheckHostIP },
- { "stricthostkeychecking", oStrictHostKeyChecking },
- { "compression", oCompression },
- { "compressionlevel", oCompressionLevel },
- { "keepalive", oKeepAlives },
- { "numberofpasswordprompts", oNumberOfPasswordPrompts },
- { "tisauthentication", oTISAuthentication },
- { "loglevel", oLogLevel },
- { NULL, 0 }
-};
-
-/* Characters considered whitespace in strtok calls. */
-#define WHITESPACE " \t\r\n"
-
-
-/*
- * Adds a local TCP/IP port forward to options. Never returns if there is an
- * error.
- */
-
-void
-add_local_forward(Options *options, u_short port, const char *host,
- u_short host_port)
-{
- Forward *fwd;
- extern uid_t original_real_uid;
- if (port < IPPORT_RESERVED && original_real_uid != 0)
- fatal("Privileged ports can only be forwarded by root.\n");
- if (options->num_local_forwards >= SSH_MAX_FORWARDS_PER_DIRECTION)
- fatal("Too many local forwards (max %d).", SSH_MAX_FORWARDS_PER_DIRECTION);
- fwd = &options->local_forwards[options->num_local_forwards++];
- fwd->port = port;
- fwd->host = xstrdup(host);
- fwd->host_port = host_port;
-}
-
-/*
- * Adds a remote TCP/IP port forward to options. Never returns if there is
- * an error.
- */
-
-void
-add_remote_forward(Options *options, u_short port, const char *host,
- u_short host_port)
-{
- Forward *fwd;
- if (options->num_remote_forwards >= SSH_MAX_FORWARDS_PER_DIRECTION)
- fatal("Too many remote forwards (max %d).",
- SSH_MAX_FORWARDS_PER_DIRECTION);
- fwd = &options->remote_forwards[options->num_remote_forwards++];
- fwd->port = port;
- fwd->host = xstrdup(host);
- fwd->host_port = host_port;
-}
-
-/*
- * Returns the number of the token pointed to by cp of length len. Never
- * returns if the token is not known.
- */
-
-static OpCodes
-parse_token(const char *cp, const char *filename, int linenum)
-{
- unsigned int i;
-
- for (i = 0; keywords[i].name; i++)
- if (strcasecmp(cp, keywords[i].name) == 0)
- return keywords[i].opcode;
-
- fprintf(stderr, "%s: line %d: Bad configuration option: %s\n",
- filename, linenum, cp);
- return oBadOption;
-}
-
-/*
- * Processes a single option line as used in the configuration files. This
- * only sets those values that have not already been set.
- */
-
-int
-process_config_line(Options *options, const char *host,
- char *line, const char *filename, int linenum,
- int *activep)
-{
- char buf[256], *cp, *string, **charptr, *cp2;
- int opcode, *intptr, value;
- u_short fwd_port, fwd_host_port;
-
- /* Skip leading whitespace. */
- cp = line + strspn(line, WHITESPACE);
- if (!*cp || *cp == '\n' || *cp == '#')
- return 0;
-
- /* Get the keyword. (Each line is supposed to begin with a keyword). */
- cp = strtok(cp, WHITESPACE);
- opcode = parse_token(cp, filename, linenum);
-
- switch (opcode) {
- case oBadOption:
- /* don't panic, but count bad options */
- return -1;
- /* NOTREACHED */
- case oForwardAgent:
- intptr = &options->forward_agent;
-parse_flag:
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%.200s line %d: Missing yes/no argument.", filename, linenum);
- value = 0; /* To avoid compiler warning... */
- if (strcmp(cp, "yes") == 0 || strcmp(cp, "true") == 0)
- value = 1;
- else if (strcmp(cp, "no") == 0 || strcmp(cp, "false") == 0)
- value = 0;
- else
- fatal("%.200s line %d: Bad yes/no argument.", filename, linenum);
- if (*activep && *intptr == -1)
- *intptr = value;
- break;
-
- case oForwardX11:
- intptr = &options->forward_x11;
- goto parse_flag;
-
- case oGatewayPorts:
- intptr = &options->gateway_ports;
- goto parse_flag;
-
- case oUsePrivilegedPort:
- intptr = &options->use_privileged_port;
- goto parse_flag;
-
- case oRhostsAuthentication:
- intptr = &options->rhosts_authentication;
- goto parse_flag;
-
- case oPasswordAuthentication:
- intptr = &options->password_authentication;
- goto parse_flag;
-
- case oDSAAuthentication:
- intptr = &options->dsa_authentication;
- goto parse_flag;
-
- case oRSAAuthentication:
- intptr = &options->rsa_authentication;
- goto parse_flag;
-
- case oRhostsRSAAuthentication:
- intptr = &options->rhosts_rsa_authentication;
- goto parse_flag;
-
- case oTISAuthentication:
- /* fallthrough, there is no difference on the client side */
- case oSkeyAuthentication:
- intptr = &options->skey_authentication;
- goto parse_flag;
-
-#ifdef KRB4
- case oKerberosAuthentication:
- intptr = &options->kerberos_authentication;
- goto parse_flag;
-#endif /* KRB4 */
-
-#ifdef AFS
- case oKerberosTgtPassing:
- intptr = &options->kerberos_tgt_passing;
- goto parse_flag;
-
- case oAFSTokenPassing:
- intptr = &options->afs_token_passing;
- goto parse_flag;
-#endif
-
- case oFallBackToRsh:
- intptr = &options->fallback_to_rsh;
- goto parse_flag;
-
- case oUseRsh:
- intptr = &options->use_rsh;
- goto parse_flag;
-
- case oBatchMode:
- intptr = &options->batch_mode;
- goto parse_flag;
-
- case oCheckHostIP:
- intptr = &options->check_host_ip;
- goto parse_flag;
-
- case oStrictHostKeyChecking:
- intptr = &options->strict_host_key_checking;
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%.200s line %d: Missing yes/no argument.",
- filename, linenum);
- value = 0; /* To avoid compiler warning... */
- if (strcmp(cp, "yes") == 0 || strcmp(cp, "true") == 0)
- value = 1;
- else if (strcmp(cp, "no") == 0 || strcmp(cp, "false") == 0)
- value = 0;
- else if (strcmp(cp, "ask") == 0)
- value = 2;
- else
- fatal("%.200s line %d: Bad yes/no/ask argument.", filename, linenum);
- if (*activep && *intptr == -1)
- *intptr = value;
- break;
-
- case oCompression:
- intptr = &options->compression;
- goto parse_flag;
-
- case oKeepAlives:
- intptr = &options->keepalives;
- goto parse_flag;
-
- case oNumberOfPasswordPrompts:
- intptr = &options->number_of_password_prompts;
- goto parse_int;
-
- case oCompressionLevel:
- intptr = &options->compression_level;
- goto parse_int;
-
- case oIdentityFile:
- case oIdentityFile2:
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%.200s line %d: Missing argument.", filename, linenum);
- if (*activep) {
- intptr = (opcode == oIdentityFile) ?
- &options->num_identity_files :
- &options->num_identity_files2;
- if (*intptr >= SSH_MAX_IDENTITY_FILES)
- fatal("%.200s line %d: Too many identity files specified (max %d).",
- filename, linenum, SSH_MAX_IDENTITY_FILES);
- charptr = (opcode == oIdentityFile) ?
- &options->identity_files[*intptr] :
- &options->identity_files2[*intptr];
- *charptr = xstrdup(cp);
- *intptr = *intptr + 1;
- }
- break;
-
- case oUser:
- charptr = &options->user;
-parse_string:
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%.200s line %d: Missing argument.", filename, linenum);
- if (*activep && *charptr == NULL)
- *charptr = xstrdup(cp);
- break;
-
- case oGlobalKnownHostsFile:
- charptr = &options->system_hostfile;
- goto parse_string;
-
- case oUserKnownHostsFile:
- charptr = &options->user_hostfile;
- goto parse_string;
-
- case oGlobalKnownHostsFile2:
- charptr = &options->system_hostfile2;
- goto parse_string;
-
- case oUserKnownHostsFile2:
- charptr = &options->user_hostfile2;
- goto parse_string;
-
- case oHostName:
- charptr = &options->hostname;
- goto parse_string;
-
- case oProxyCommand:
- charptr = &options->proxy_command;
- string = xstrdup("");
- while ((cp = strtok(NULL, WHITESPACE)) != NULL) {
- string = xrealloc(string, strlen(string) + strlen(cp) + 2);
- strcat(string, " ");
- strcat(string, cp);
- }
- if (*activep && *charptr == NULL)
- *charptr = string;
- else
- xfree(string);
- return 0;
-
- case oPort:
- intptr = &options->port;
-parse_int:
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%.200s line %d: Missing argument.", filename, linenum);
- if (cp[0] < '0' || cp[0] > '9')
- fatal("%.200s line %d: Bad number.", filename, linenum);
-
- /* Octal, decimal, or hex format? */
- value = strtol(cp, &cp2, 0);
- if (cp == cp2)
- fatal("%.200s line %d: Bad number.", filename, linenum);
- if (*activep && *intptr == -1)
- *intptr = value;
- break;
-
- case oConnectionAttempts:
- intptr = &options->connection_attempts;
- goto parse_int;
-
- case oCipher:
- intptr = &options->cipher;
- cp = strtok(NULL, WHITESPACE);
- value = cipher_number(cp);
- if (value == -1)
- fatal("%.200s line %d: Bad cipher '%s'.",
- filename, linenum, cp ? cp : "<NONE>");
- if (*activep && *intptr == -1)
- *intptr = value;
- break;
-
- case oCiphers:
- cp = strtok(NULL, WHITESPACE);
- if (!ciphers_valid(cp))
- fatal("%.200s line %d: Bad SSH2 cipher spec '%s'.",
- filename, linenum, cp ? cp : "<NONE>");
- if (*activep && options->ciphers == NULL)
- options->ciphers = xstrdup(cp);
- break;
-
- case oProtocol:
- intptr = &options->protocol;
- cp = strtok(NULL, WHITESPACE);
- value = proto_spec(cp);
- if (value == SSH_PROTO_UNKNOWN)
- fatal("%.200s line %d: Bad protocol spec '%s'.",
- filename, linenum, cp ? cp : "<NONE>");
- if (*activep && *intptr == SSH_PROTO_UNKNOWN)
- *intptr = value;
- break;
-
- case oLogLevel:
- intptr = (int *) &options->log_level;
- cp = strtok(NULL, WHITESPACE);
- value = log_level_number(cp);
- if (value == (LogLevel) - 1)
- fatal("%.200s line %d: unsupported log level '%s'\n",
- filename, linenum, cp ? cp : "<NONE>");
- if (*activep && (LogLevel) * intptr == -1)
- *intptr = (LogLevel) value;
- break;
-
- case oRemoteForward:
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%.200s line %d: Missing argument.", filename, linenum);
- if (cp[0] < '0' || cp[0] > '9')
- fatal("%.200s line %d: Badly formatted port number.",
- filename, linenum);
- fwd_port = atoi(cp);
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%.200s line %d: Missing second argument.",
- filename, linenum);
- if (sscanf(cp, "%255[^:]:%hu", buf, &fwd_host_port) != 2)
- fatal("%.200s line %d: Badly formatted host:port.",
- filename, linenum);
- if (*activep)
- add_remote_forward(options, fwd_port, buf, fwd_host_port);
- break;
-
- case oLocalForward:
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%.200s line %d: Missing argument.", filename, linenum);
- if (cp[0] < '0' || cp[0] > '9')
- fatal("%.200s line %d: Badly formatted port number.",
- filename, linenum);
- fwd_port = atoi(cp);
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%.200s line %d: Missing second argument.",
- filename, linenum);
- if (sscanf(cp, "%255[^:]:%hu", buf, &fwd_host_port) != 2)
- fatal("%.200s line %d: Badly formatted host:port.",
- filename, linenum);
- if (*activep)
- add_local_forward(options, fwd_port, buf, fwd_host_port);
- break;
-
- case oHost:
- *activep = 0;
- while ((cp = strtok(NULL, WHITESPACE)) != NULL)
- if (match_pattern(host, cp)) {
- debug("Applying options for %.100s", cp);
- *activep = 1;
- break;
- }
- /* Avoid garbage check below, as strtok already returned NULL. */
- return 0;
-
- case oEscapeChar:
- intptr = &options->escape_char;
- cp = strtok(NULL, WHITESPACE);
- if (!cp)
- fatal("%.200s line %d: Missing argument.", filename, linenum);
- if (cp[0] == '^' && cp[2] == 0 &&
- (unsigned char) cp[1] >= 64 && (unsigned char) cp[1] < 128)
- value = (unsigned char) cp[1] & 31;
- else if (strlen(cp) == 1)
- value = (unsigned char) cp[0];
- else if (strcmp(cp, "none") == 0)
- value = -2;
- else {
- fatal("%.200s line %d: Bad escape character.",
- filename, linenum);
- /* NOTREACHED */
- value = 0; /* Avoid compiler warning. */
- }
- if (*activep && *intptr == -1)
- *intptr = value;
- break;
-
- default:
- fatal("process_config_line: Unimplemented opcode %d", opcode);
- }
-
- /* Check that there is no garbage at end of line. */
- if (strtok(NULL, WHITESPACE) != NULL)
- fatal("%.200s line %d: garbage at end of line.",
- filename, linenum);
- return 0;
-}
-
-
-/*
- * Reads the config file and modifies the options accordingly. Options
- * should already be initialized before this call. This never returns if
- * there is an error. If the file does not exist, this returns immediately.
- */
-
-void
-read_config_file(const char *filename, const char *host, Options *options)
-{
- FILE *f;
- char line[1024];
- int active, linenum;
- int bad_options = 0;
-
- /* Open the file. */
- f = fopen(filename, "r");
- if (!f)
- return;
-
- debug("Reading configuration data %.200s", filename);
-
- /*
- * Mark that we are now processing the options. This flag is turned
- * on/off by Host specifications.
- */
- active = 1;
- linenum = 0;
- while (fgets(line, sizeof(line), f)) {
- /* Update line number counter. */
- linenum++;
- if (process_config_line(options, host, line, filename, linenum, &active) != 0)
- bad_options++;
- }
- fclose(f);
- if (bad_options > 0)
- fatal("%s: terminating, %d bad configuration options\n",
- filename, bad_options);
-}
-
-/*
- * Initializes options to special values that indicate that they have not yet
- * been set. Read_config_file will only set options with this value. Options
- * are processed in the following order: command line, user config file,
- * system config file. Last, fill_default_options is called.
- */
-
-void
-initialize_options(Options * options)
-{
- memset(options, 'X', sizeof(*options));
- options->forward_agent = -1;
- options->forward_x11 = -1;
- options->gateway_ports = -1;
- options->use_privileged_port = -1;
- options->rhosts_authentication = -1;
- options->rsa_authentication = -1;
- options->dsa_authentication = -1;
- options->skey_authentication = -1;
-#ifdef KRB4
- options->kerberos_authentication = -1;
-#endif
-#ifdef AFS
- options->kerberos_tgt_passing = -1;
- options->afs_token_passing = -1;
-#endif
- options->password_authentication = -1;
- options->rhosts_rsa_authentication = -1;
- options->fallback_to_rsh = -1;
- options->use_rsh = -1;
- options->batch_mode = -1;
- options->check_host_ip = -1;
- options->strict_host_key_checking = -1;
- options->compression = -1;
- options->keepalives = -1;
- options->compression_level = -1;
- options->port = -1;
- options->connection_attempts = -1;
- options->number_of_password_prompts = -1;
- options->cipher = -1;
- options->ciphers = NULL;
- options->protocol = SSH_PROTO_UNKNOWN;
- options->num_identity_files = 0;
- options->num_identity_files2 = 0;
- options->hostname = NULL;
- options->proxy_command = NULL;
- options->user = NULL;
- options->escape_char = -1;
- options->system_hostfile = NULL;
- options->user_hostfile = NULL;
- options->system_hostfile2 = NULL;
- options->user_hostfile2 = NULL;
- options->num_local_forwards = 0;
- options->num_remote_forwards = 0;
- options->log_level = (LogLevel) - 1;
-}
-
-/*
- * Called after processing other sources of option data, this fills those
- * options for which no value has been specified with their default values.
- */
-
-void
-fill_default_options(Options * options)
-{
- if (options->forward_agent == -1)
- options->forward_agent = 1;
- if (options->forward_x11 == -1)
- options->forward_x11 = 0;
- if (options->gateway_ports == -1)
- options->gateway_ports = 0;
- if (options->use_privileged_port == -1)
- options->use_privileged_port = 1;
- if (options->rhosts_authentication == -1)
- options->rhosts_authentication = 1;
- if (options->rsa_authentication == -1)
- options->rsa_authentication = 1;
- if (options->dsa_authentication == -1)
- options->dsa_authentication = 1;
- if (options->skey_authentication == -1)
- options->skey_authentication = 0;
-#ifdef KRB4
- if (options->kerberos_authentication == -1)
- options->kerberos_authentication = 1;
-#endif /* KRB4 */
-#ifdef AFS
- if (options->kerberos_tgt_passing == -1)
- options->kerberos_tgt_passing = 1;
- if (options->afs_token_passing == -1)
- options->afs_token_passing = 1;
-#endif /* AFS */
- if (options->password_authentication == -1)
- options->password_authentication = 1;
- if (options->rhosts_rsa_authentication == -1)
- options->rhosts_rsa_authentication = 1;
- if (options->fallback_to_rsh == -1)
- options->fallback_to_rsh = 1;
- if (options->use_rsh == -1)
- options->use_rsh = 0;
- if (options->batch_mode == -1)
- options->batch_mode = 0;
- if (options->check_host_ip == -1)
- options->check_host_ip = 1;
- if (options->strict_host_key_checking == -1)
- options->strict_host_key_checking = 2; /* 2 is default */
- if (options->compression == -1)
- options->compression = 0;
- if (options->keepalives == -1)
- options->keepalives = 1;
- if (options->compression_level == -1)
- options->compression_level = 6;
- if (options->port == -1)
- options->port = 0; /* Filled in ssh_connect. */
- if (options->connection_attempts == -1)
- options->connection_attempts = 4;
- if (options->number_of_password_prompts == -1)
- options->number_of_password_prompts = 3;
- /* Selected in ssh_login(). */
- if (options->cipher == -1)
- options->cipher = SSH_CIPHER_NOT_SET;
- /* options->ciphers, default set in myproposals.h */
- if (options->protocol == SSH_PROTO_UNKNOWN)
- options->protocol = SSH_PROTO_1|SSH_PROTO_2|SSH_PROTO_1_PREFERRED;
- if (options->num_identity_files == 0) {
- options->identity_files[0] =
- xmalloc(2 + strlen(SSH_CLIENT_IDENTITY) + 1);
- sprintf(options->identity_files[0], "~/%.100s", SSH_CLIENT_IDENTITY);
- options->num_identity_files = 1;
- }
- if (options->num_identity_files2 == 0) {
- options->identity_files2[0] =
- xmalloc(2 + strlen(SSH_CLIENT_ID_DSA) + 1);
- sprintf(options->identity_files2[0], "~/%.100s", SSH_CLIENT_ID_DSA);
- options->num_identity_files2 = 1;
- }
- if (options->escape_char == -1)
- options->escape_char = '~';
- if (options->system_hostfile == NULL)
- options->system_hostfile = SSH_SYSTEM_HOSTFILE;
- if (options->user_hostfile == NULL)
- options->user_hostfile = SSH_USER_HOSTFILE;
- if (options->system_hostfile2 == NULL)
- options->system_hostfile2 = SSH_SYSTEM_HOSTFILE2;
- if (options->user_hostfile2 == NULL)
- options->user_hostfile2 = SSH_USER_HOSTFILE2;
- if (options->log_level == (LogLevel) - 1)
- options->log_level = SYSLOG_LEVEL_INFO;
- /* options->proxy_command should not be set by default */
- /* options->user will be set in the main program if appropriate */
- /* options->hostname will be set in the main program if appropriate */
-}