version 1.189, 2010/04/23 22:48:31 |
version 1.191, 2010/06/22 04:32:06 |
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u_int64_t cert_valid_to = ~0ULL; |
u_int64_t cert_valid_to = ~0ULL; |
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/* Certificate options */ |
/* Certificate options */ |
#define CRITOPT_X_FWD (1) |
#define CERTOPT_X_FWD (1) |
#define CRITOPT_AGENT_FWD (1<<1) |
#define CERTOPT_AGENT_FWD (1<<1) |
#define CRITOPT_PORT_FWD (1<<2) |
#define CERTOPT_PORT_FWD (1<<2) |
#define CRITOPT_PTY (1<<3) |
#define CERTOPT_PTY (1<<3) |
#define CRITOPT_USER_RC (1<<4) |
#define CERTOPT_USER_RC (1<<4) |
#define CRITOPT_DEFAULT (CRITOPT_X_FWD|CRITOPT_AGENT_FWD| \ |
#define CERTOPT_DEFAULT (CERTOPT_X_FWD|CERTOPT_AGENT_FWD| \ |
CRITOPT_PORT_FWD|CRITOPT_PTY| \ |
CERTOPT_PORT_FWD|CERTOPT_PTY|CERTOPT_USER_RC) |
CRITOPT_USER_RC) |
u_int32_t certflags_flags = CERTOPT_DEFAULT; |
u_int32_t critical_flags = CRITOPT_DEFAULT; |
char *certflags_command = NULL; |
char *critical_command = NULL; |
char *certflags_src_addr = NULL; |
char *critical_src_addr = NULL; |
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/* Dump public key file in format used by real and the original SSH 2 */ |
/* Dump public key file in format used by real and the original SSH 2 */ |
int convert_to_ssh2 = 0; |
int convert_to_ssh2 = 0; |
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perror(identity_file); |
perror(identity_file); |
exit(1); |
exit(1); |
} |
} |
fp = fopen(identity_file, "r"); |
if ((fp = fopen(identity_file, "r")) == NULL) |
if (fp == NULL) { |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
perror(identity_file); |
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exit(1); |
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} |
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encoded[0] = '\0'; |
encoded[0] = '\0'; |
while ((blen = get_line(fp, line, sizeof(line))) != -1) { |
while ((blen = get_line(fp, line, sizeof(line))) != -1) { |
if (line[blen - 1] == '\\') |
if (line[blen - 1] == '\\') |
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comment = NULL; |
comment = NULL; |
} |
} |
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f = fopen(identity_file, "r"); |
if ((f = fopen(identity_file, "r")) == NULL) |
if (f != NULL) { |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
while (fgets(line, sizeof(line), f)) { |
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if ((cp = strchr(line, '\n')) == NULL) { |
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error("line %d too long: %.40s...", |
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num + 1, line); |
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skip = 1; |
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continue; |
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} |
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num++; |
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if (skip) { |
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skip = 0; |
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continue; |
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} |
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*cp = '\0'; |
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/* Skip leading whitespace, empty and comment lines. */ |
while (fgets(line, sizeof(line), f)) { |
for (cp = line; *cp == ' ' || *cp == '\t'; cp++) |
if ((cp = strchr(line, '\n')) == NULL) { |
; |
error("line %d too long: %.40s...", |
if (!*cp || *cp == '\n' || *cp == '#') |
num + 1, line); |
continue; |
skip = 1; |
i = strtol(cp, &ep, 10); |
continue; |
if (i == 0 || ep == NULL || (*ep != ' ' && *ep != '\t')) { |
} |
int quoted = 0; |
num++; |
comment = cp; |
if (skip) { |
for (; *cp && (quoted || (*cp != ' ' && |
skip = 0; |
*cp != '\t')); cp++) { |
continue; |
if (*cp == '\\' && cp[1] == '"') |
} |
cp++; /* Skip both */ |
*cp = '\0'; |
else if (*cp == '"') |
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quoted = !quoted; |
/* Skip leading whitespace, empty and comment lines. */ |
} |
for (cp = line; *cp == ' ' || *cp == '\t'; cp++) |
if (!*cp) |
; |
continue; |
if (!*cp || *cp == '\n' || *cp == '#') |
*cp++ = '\0'; |
continue; |
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i = strtol(cp, &ep, 10); |
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if (i == 0 || ep == NULL || (*ep != ' ' && *ep != '\t')) { |
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int quoted = 0; |
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comment = cp; |
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for (; *cp && (quoted || (*cp != ' ' && |
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*cp != '\t')); cp++) { |
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if (*cp == '\\' && cp[1] == '"') |
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cp++; /* Skip both */ |
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else if (*cp == '"') |
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quoted = !quoted; |
} |
} |
ep = cp; |
if (!*cp) |
public = key_new(KEY_RSA1); |
continue; |
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*cp++ = '\0'; |
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} |
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ep = cp; |
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public = key_new(KEY_RSA1); |
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if (key_read(public, &cp) != 1) { |
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cp = ep; |
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key_free(public); |
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public = key_new(KEY_UNSPEC); |
if (key_read(public, &cp) != 1) { |
if (key_read(public, &cp) != 1) { |
cp = ep; |
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key_free(public); |
key_free(public); |
public = key_new(KEY_UNSPEC); |
continue; |
if (key_read(public, &cp) != 1) { |
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key_free(public); |
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continue; |
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} |
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} |
} |
comment = *cp ? cp : comment; |
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fp = key_fingerprint(public, fptype, rep); |
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ra = key_fingerprint(public, SSH_FP_MD5, SSH_FP_RANDOMART); |
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printf("%u %s %s (%s)\n", key_size(public), fp, |
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comment ? comment : "no comment", key_type(public)); |
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if (log_level >= SYSLOG_LEVEL_VERBOSE) |
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printf("%s\n", ra); |
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xfree(ra); |
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xfree(fp); |
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key_free(public); |
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invalid = 0; |
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} |
} |
fclose(f); |
comment = *cp ? cp : comment; |
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fp = key_fingerprint(public, fptype, rep); |
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ra = key_fingerprint(public, SSH_FP_MD5, SSH_FP_RANDOMART); |
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printf("%u %s %s (%s)\n", key_size(public), fp, |
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comment ? comment : "no comment", key_type(public)); |
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if (log_level >= SYSLOG_LEVEL_VERBOSE) |
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printf("%s\n", ra); |
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xfree(ra); |
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xfree(fp); |
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key_free(public); |
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invalid = 0; |
} |
} |
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fclose(f); |
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if (invalid) { |
if (invalid) { |
printf("%s is not a public key file.\n", identity_file); |
printf("%s is not a public key file.\n", identity_file); |
exit(1); |
exit(1); |
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have_identity = 1; |
have_identity = 1; |
} |
} |
if ((in = fopen(identity_file, "r")) == NULL) |
if ((in = fopen(identity_file, "r")) == NULL) |
fatal("fopen: %s", strerror(errno)); |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
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/* |
/* |
* Find hosts goes to stdout, hash and deletions happen in-place |
* Find hosts goes to stdout, hash and deletions happen in-place |
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buffer_free(&b); |
buffer_free(&b); |
} |
} |
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#define OPTIONS_CRITICAL 1 |
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#define OPTIONS_EXTENSIONS 2 |
static void |
static void |
prepare_options_buf(Buffer *c) |
prepare_options_buf(Buffer *c, int which) |
{ |
{ |
buffer_clear(c); |
buffer_clear(c); |
if ((critical_flags & CRITOPT_X_FWD) != 0) |
if ((which & OPTIONS_EXTENSIONS) != 0 && |
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(certflags_flags & CERTOPT_X_FWD) != 0) |
add_flag_option(c, "permit-X11-forwarding"); |
add_flag_option(c, "permit-X11-forwarding"); |
if ((critical_flags & CRITOPT_AGENT_FWD) != 0) |
if ((which & OPTIONS_EXTENSIONS) != 0 && |
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(certflags_flags & CERTOPT_AGENT_FWD) != 0) |
add_flag_option(c, "permit-agent-forwarding"); |
add_flag_option(c, "permit-agent-forwarding"); |
if ((critical_flags & CRITOPT_PORT_FWD) != 0) |
if ((which & OPTIONS_EXTENSIONS) != 0 && |
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(certflags_flags & CERTOPT_PORT_FWD) != 0) |
add_flag_option(c, "permit-port-forwarding"); |
add_flag_option(c, "permit-port-forwarding"); |
if ((critical_flags & CRITOPT_PTY) != 0) |
if ((which & OPTIONS_EXTENSIONS) != 0 && |
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(certflags_flags & CERTOPT_PTY) != 0) |
add_flag_option(c, "permit-pty"); |
add_flag_option(c, "permit-pty"); |
if ((critical_flags & CRITOPT_USER_RC) != 0) |
if ((which & OPTIONS_EXTENSIONS) != 0 && |
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(certflags_flags & CERTOPT_USER_RC) != 0) |
add_flag_option(c, "permit-user-rc"); |
add_flag_option(c, "permit-user-rc"); |
if (critical_command != NULL) |
if ((which & OPTIONS_CRITICAL) != 0 && |
add_string_option(c, "force-command", critical_command); |
certflags_command != NULL) |
if (critical_src_addr != NULL) |
add_string_option(c, "force-command", certflags_command); |
add_string_option(c, "source-address", critical_src_addr); |
if ((which & OPTIONS_CRITICAL) != 0 && |
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certflags_src_addr != NULL) |
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add_string_option(c, "source-address", certflags_src_addr); |
} |
} |
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static void |
static void |
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public->cert->principals = plist; |
public->cert->principals = plist; |
public->cert->valid_after = cert_valid_from; |
public->cert->valid_after = cert_valid_from; |
public->cert->valid_before = cert_valid_to; |
public->cert->valid_before = cert_valid_to; |
prepare_options_buf(&public->cert->critical); |
if (v00) { |
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prepare_options_buf(&public->cert->critical, |
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OPTIONS_CRITICAL|OPTIONS_EXTENSIONS); |
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} else { |
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prepare_options_buf(&public->cert->critical, |
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OPTIONS_CRITICAL); |
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prepare_options_buf(&public->cert->extensions, |
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OPTIONS_EXTENSIONS); |
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} |
public->cert->signature_key = key_from_private(ca); |
public->cert->signature_key = key_from_private(ca); |
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if (key_certify(public, ca) != 0) |
if (key_certify(public, ca) != 0) |
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char *val; |
char *val; |
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if (strcmp(opt, "clear") == 0) |
if (strcmp(opt, "clear") == 0) |
critical_flags = 0; |
certflags_flags = 0; |
else if (strcasecmp(opt, "no-x11-forwarding") == 0) |
else if (strcasecmp(opt, "no-x11-forwarding") == 0) |
critical_flags &= ~CRITOPT_X_FWD; |
certflags_flags &= ~CERTOPT_X_FWD; |
else if (strcasecmp(opt, "permit-x11-forwarding") == 0) |
else if (strcasecmp(opt, "permit-x11-forwarding") == 0) |
critical_flags |= CRITOPT_X_FWD; |
certflags_flags |= CERTOPT_X_FWD; |
else if (strcasecmp(opt, "no-agent-forwarding") == 0) |
else if (strcasecmp(opt, "no-agent-forwarding") == 0) |
critical_flags &= ~CRITOPT_AGENT_FWD; |
certflags_flags &= ~CERTOPT_AGENT_FWD; |
else if (strcasecmp(opt, "permit-agent-forwarding") == 0) |
else if (strcasecmp(opt, "permit-agent-forwarding") == 0) |
critical_flags |= CRITOPT_AGENT_FWD; |
certflags_flags |= CERTOPT_AGENT_FWD; |
else if (strcasecmp(opt, "no-port-forwarding") == 0) |
else if (strcasecmp(opt, "no-port-forwarding") == 0) |
critical_flags &= ~CRITOPT_PORT_FWD; |
certflags_flags &= ~CERTOPT_PORT_FWD; |
else if (strcasecmp(opt, "permit-port-forwarding") == 0) |
else if (strcasecmp(opt, "permit-port-forwarding") == 0) |
critical_flags |= CRITOPT_PORT_FWD; |
certflags_flags |= CERTOPT_PORT_FWD; |
else if (strcasecmp(opt, "no-pty") == 0) |
else if (strcasecmp(opt, "no-pty") == 0) |
critical_flags &= ~CRITOPT_PTY; |
certflags_flags &= ~CERTOPT_PTY; |
else if (strcasecmp(opt, "permit-pty") == 0) |
else if (strcasecmp(opt, "permit-pty") == 0) |
critical_flags |= CRITOPT_PTY; |
certflags_flags |= CERTOPT_PTY; |
else if (strcasecmp(opt, "no-user-rc") == 0) |
else if (strcasecmp(opt, "no-user-rc") == 0) |
critical_flags &= ~CRITOPT_USER_RC; |
certflags_flags &= ~CERTOPT_USER_RC; |
else if (strcasecmp(opt, "permit-user-rc") == 0) |
else if (strcasecmp(opt, "permit-user-rc") == 0) |
critical_flags |= CRITOPT_USER_RC; |
certflags_flags |= CERTOPT_USER_RC; |
else if (strncasecmp(opt, "force-command=", 14) == 0) { |
else if (strncasecmp(opt, "force-command=", 14) == 0) { |
val = opt + 14; |
val = opt + 14; |
if (*val == '\0') |
if (*val == '\0') |
fatal("Empty force-command option"); |
fatal("Empty force-command option"); |
if (critical_command != NULL) |
if (certflags_command != NULL) |
fatal("force-command already specified"); |
fatal("force-command already specified"); |
critical_command = xstrdup(val); |
certflags_command = xstrdup(val); |
} else if (strncasecmp(opt, "source-address=", 15) == 0) { |
} else if (strncasecmp(opt, "source-address=", 15) == 0) { |
val = opt + 15; |
val = opt + 15; |
if (*val == '\0') |
if (*val == '\0') |
fatal("Empty source-address option"); |
fatal("Empty source-address option"); |
if (critical_src_addr != NULL) |
if (certflags_src_addr != NULL) |
fatal("source-address already specified"); |
fatal("source-address already specified"); |
if (addr_match_cidr_list(NULL, val) != 0) |
if (addr_match_cidr_list(NULL, val) != 0) |
fatal("Invalid source-address list"); |
fatal("Invalid source-address list"); |
critical_src_addr = xstrdup(val); |
certflags_src_addr = xstrdup(val); |
} else |
} else |
fatal("Unsupported certificate option \"%s\"", opt); |
fatal("Unsupported certificate option \"%s\"", opt); |
} |
} |
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if (!have_identity) |
if (!have_identity) |
ask_filename(pw, "Enter file in which the key is"); |
ask_filename(pw, "Enter file in which the key is"); |
if (stat(identity_file, &st) < 0) { |
if (stat(identity_file, &st) < 0) |
perror(identity_file); |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
exit(1); |
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} |
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if ((key = key_load_public(identity_file, NULL)) == NULL) |
if ((key = key_load_public(identity_file, NULL)) == NULL) |
fatal("%s is not a public key", identity_file); |
fatal("%s is not a public key", identity_file); |
if (!key_is_cert(key)) |
if (!key_is_cert(key)) |
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break; |
break; |
case 'h': |
case 'h': |
cert_key_type = SSH2_CERT_TYPE_HOST; |
cert_key_type = SSH2_CERT_TYPE_HOST; |
critical_flags = 0; |
certflags_flags = 0; |
break; |
break; |
case 'i': |
case 'i': |
case 'X': |
case 'X': |