version 1.183, 2010/03/04 23:27:25 |
version 1.189, 2010/04/23 22:48:31 |
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/* Path to CA key when certifying keys. */ |
/* Path to CA key when certifying keys. */ |
char *ca_key_path = NULL; |
char *ca_key_path = NULL; |
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/* Certificate serial number */ |
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long long cert_serial = 0; |
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/* Key type when certifying */ |
/* Key type when certifying */ |
u_int cert_key_type = SSH2_CERT_TYPE_USER; |
u_int cert_key_type = SSH2_CERT_TYPE_USER; |
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u_int64_t cert_valid_from = 0; |
u_int64_t cert_valid_from = 0; |
u_int64_t cert_valid_to = ~0ULL; |
u_int64_t cert_valid_to = ~0ULL; |
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/* Certificate constraints */ |
/* Certificate options */ |
#define CONSTRAINT_X_FWD (1) |
#define CRITOPT_X_FWD (1) |
#define CONSTRAINT_AGENT_FWD (1<<1) |
#define CRITOPT_AGENT_FWD (1<<1) |
#define CONSTRAINT_PORT_FWD (1<<2) |
#define CRITOPT_PORT_FWD (1<<2) |
#define CONSTRAINT_PTY (1<<3) |
#define CRITOPT_PTY (1<<3) |
#define CONSTRAINT_USER_RC (1<<4) |
#define CRITOPT_USER_RC (1<<4) |
#define CONSTRAINT_DEFAULT (CONSTRAINT_X_FWD|CONSTRAINT_AGENT_FWD| \ |
#define CRITOPT_DEFAULT (CRITOPT_X_FWD|CRITOPT_AGENT_FWD| \ |
CONSTRAINT_PORT_FWD|CONSTRAINT_PTY| \ |
CRITOPT_PORT_FWD|CRITOPT_PTY| \ |
CONSTRAINT_USER_RC) |
CRITOPT_USER_RC) |
u_int32_t constraint_flags = CONSTRAINT_DEFAULT; |
u_int32_t critical_flags = CRITOPT_DEFAULT; |
char *constraint_command = NULL; |
char *critical_command = NULL; |
char *constraint_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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case KEY_RSA1: |
case KEY_RSA1: |
name = _PATH_SSH_CLIENT_IDENTITY; |
name = _PATH_SSH_CLIENT_IDENTITY; |
break; |
break; |
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case KEY_DSA_CERT: |
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case KEY_DSA_CERT_V00: |
case KEY_DSA: |
case KEY_DSA: |
name = _PATH_SSH_CLIENT_ID_DSA; |
name = _PATH_SSH_CLIENT_ID_DSA; |
break; |
break; |
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case KEY_RSA_CERT: |
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case KEY_RSA_CERT_V00: |
case KEY_RSA: |
case KEY_RSA: |
name = _PATH_SSH_CLIENT_ID_RSA; |
name = _PATH_SSH_CLIENT_ID_RSA; |
break; |
break; |
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} |
} |
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static void |
static void |
add_flag_constraint(Buffer *c, const char *name) |
add_flag_option(Buffer *c, const char *name) |
{ |
{ |
debug3("%s: %s", __func__, name); |
debug3("%s: %s", __func__, name); |
buffer_put_cstring(c, name); |
buffer_put_cstring(c, name); |
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} |
} |
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static void |
static void |
add_string_constraint(Buffer *c, const char *name, const char *value) |
add_string_option(Buffer *c, const char *name, const char *value) |
{ |
{ |
Buffer b; |
Buffer b; |
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} |
} |
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static void |
static void |
prepare_constraint_buf(Buffer *c) |
prepare_options_buf(Buffer *c) |
{ |
{ |
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buffer_clear(c); |
buffer_clear(c); |
if ((constraint_flags & CONSTRAINT_X_FWD) != 0) |
if ((critical_flags & CRITOPT_X_FWD) != 0) |
add_flag_constraint(c, "permit-X11-forwarding"); |
add_flag_option(c, "permit-X11-forwarding"); |
if ((constraint_flags & CONSTRAINT_AGENT_FWD) != 0) |
if ((critical_flags & CRITOPT_AGENT_FWD) != 0) |
add_flag_constraint(c, "permit-agent-forwarding"); |
add_flag_option(c, "permit-agent-forwarding"); |
if ((constraint_flags & CONSTRAINT_PORT_FWD) != 0) |
if ((critical_flags & CRITOPT_PORT_FWD) != 0) |
add_flag_constraint(c, "permit-port-forwarding"); |
add_flag_option(c, "permit-port-forwarding"); |
if ((constraint_flags & CONSTRAINT_PTY) != 0) |
if ((critical_flags & CRITOPT_PTY) != 0) |
add_flag_constraint(c, "permit-pty"); |
add_flag_option(c, "permit-pty"); |
if ((constraint_flags & CONSTRAINT_USER_RC) != 0) |
if ((critical_flags & CRITOPT_USER_RC) != 0) |
add_flag_constraint(c, "permit-user-rc"); |
add_flag_option(c, "permit-user-rc"); |
if (constraint_command != NULL) |
if (critical_command != NULL) |
add_string_constraint(c, "force-command", constraint_command); |
add_string_option(c, "force-command", critical_command); |
if (constraint_src_addr != NULL) |
if (critical_src_addr != NULL) |
add_string_constraint(c, "source-address", constraint_src_addr); |
add_string_option(c, "source-address", critical_src_addr); |
} |
} |
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static void |
static void |
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Key *ca, *public; |
Key *ca, *public; |
char *otmp, *tmp, *cp, *out, *comment, **plist = NULL; |
char *otmp, *tmp, *cp, *out, *comment, **plist = NULL; |
FILE *f; |
FILE *f; |
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int v00 = 0; /* legacy keys */ |
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tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
if ((ca = load_identity(tmp)) == NULL) |
if ((ca = load_identity(tmp)) == NULL) |
fatal("Couldn't load CA key \"%s\"", tmp); |
fatal("Couldn't load CA key \"%s\"", tmp); |
xfree(tmp); |
xfree(tmp); |
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if (key_type_name != NULL) { |
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switch (key_type_from_name(key_type_name)) { |
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case KEY_RSA_CERT_V00: |
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case KEY_DSA_CERT_V00: |
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v00 = 1; |
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break; |
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case KEY_UNSPEC: |
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if (strcasecmp(key_type_name, "v00") == 0) { |
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v00 = 1; |
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break; |
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} else if (strcasecmp(key_type_name, "v01") == 0) |
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break; |
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/* FALLTHROUGH */ |
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default: |
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fprintf(stderr, "unknown key type %s\n", key_type_name); |
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exit(1); |
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} |
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} |
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for (i = 0; i < argc; i++) { |
for (i = 0; i < argc; i++) { |
/* Split list of principals */ |
/* Split list of principals */ |
n = 0; |
n = 0; |
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__func__, tmp, key_type(public)); |
__func__, tmp, key_type(public)); |
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/* Prepare certificate to sign */ |
/* Prepare certificate to sign */ |
if (key_to_certified(public) != 0) |
if (key_to_certified(public, v00) != 0) |
fatal("Could not upgrade key %s to certificate", tmp); |
fatal("Could not upgrade key %s to certificate", tmp); |
public->cert->type = cert_key_type; |
public->cert->type = cert_key_type; |
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public->cert->serial = (u_int64_t)cert_serial; |
public->cert->key_id = xstrdup(cert_key_id); |
public->cert->key_id = xstrdup(cert_key_id); |
public->cert->nprincipals = n; |
public->cert->nprincipals = n; |
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_constraint_buf(&public->cert->constraints); |
prepare_options_buf(&public->cert->critical); |
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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fprintf(f, " %s\n", comment); |
fprintf(f, " %s\n", comment); |
fclose(f); |
fclose(f); |
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if (!quiet) |
if (!quiet) { |
logit("Signed %s key %s: id \"%s\"%s%s valid %s", |
logit("Signed %s key %s: id \"%s\" serial %llu%s%s " |
cert_key_type == SSH2_CERT_TYPE_USER?"user":"host", |
"valid %s", key_cert_type(public), |
out, cert_key_id, |
out, public->cert->key_id, public->cert->serial, |
cert_principals != NULL ? " for " : "", |
cert_principals != NULL ? " for " : "", |
cert_principals != NULL ? cert_principals : "", |
cert_principals != NULL ? cert_principals : "", |
fmt_validity(cert_valid_from, cert_valid_to)); |
fmt_validity(cert_valid_from, cert_valid_to)); |
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} |
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key_free(public); |
key_free(public); |
xfree(out); |
xfree(out); |
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*/ |
*/ |
switch (strlen(s)) { |
switch (strlen(s)) { |
case 8: |
case 8: |
fmt = "%Y/%m/%d"; |
fmt = "%Y-%m-%d"; |
snprintf(buf, sizeof(buf), "%.4s/%.2s/%.2s", s, s + 4, s + 6); |
snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2s", s, s + 4, s + 6); |
break; |
break; |
case 14: |
case 14: |
fmt = "%Y/%m/%d %H:%M:%S"; |
fmt = "%Y-%m-%dT%H:%M:%S"; |
snprintf(buf, sizeof(buf), "%.4s/%.2s/%.2s %.2s:%.2s:%.2s", |
snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2sT%.2s:%.2s:%.2s", |
s, s + 4, s + 6, s + 8, s + 10, s + 12); |
s, s + 4, s + 6, s + 8, s + 10, s + 12); |
break; |
break; |
default: |
default: |
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} |
} |
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static void |
static void |
add_cert_constraint(char *opt) |
add_cert_option(char *opt) |
{ |
{ |
char *val; |
char *val; |
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if (strcmp(opt, "clear") == 0) |
if (strcmp(opt, "clear") == 0) |
constraint_flags = 0; |
critical_flags = 0; |
else if (strcasecmp(opt, "no-x11-forwarding") == 0) |
else if (strcasecmp(opt, "no-x11-forwarding") == 0) |
constraint_flags &= ~CONSTRAINT_X_FWD; |
critical_flags &= ~CRITOPT_X_FWD; |
else if (strcasecmp(opt, "permit-x11-forwarding") == 0) |
else if (strcasecmp(opt, "permit-x11-forwarding") == 0) |
constraint_flags |= CONSTRAINT_X_FWD; |
critical_flags |= CRITOPT_X_FWD; |
else if (strcasecmp(opt, "no-agent-forwarding") == 0) |
else if (strcasecmp(opt, "no-agent-forwarding") == 0) |
constraint_flags &= ~CONSTRAINT_AGENT_FWD; |
critical_flags &= ~CRITOPT_AGENT_FWD; |
else if (strcasecmp(opt, "permit-agent-forwarding") == 0) |
else if (strcasecmp(opt, "permit-agent-forwarding") == 0) |
constraint_flags |= CONSTRAINT_AGENT_FWD; |
critical_flags |= CRITOPT_AGENT_FWD; |
else if (strcasecmp(opt, "no-port-forwarding") == 0) |
else if (strcasecmp(opt, "no-port-forwarding") == 0) |
constraint_flags &= ~CONSTRAINT_PORT_FWD; |
critical_flags &= ~CRITOPT_PORT_FWD; |
else if (strcasecmp(opt, "permit-port-forwarding") == 0) |
else if (strcasecmp(opt, "permit-port-forwarding") == 0) |
constraint_flags |= CONSTRAINT_PORT_FWD; |
critical_flags |= CRITOPT_PORT_FWD; |
else if (strcasecmp(opt, "no-pty") == 0) |
else if (strcasecmp(opt, "no-pty") == 0) |
constraint_flags &= ~CONSTRAINT_PTY; |
critical_flags &= ~CRITOPT_PTY; |
else if (strcasecmp(opt, "permit-pty") == 0) |
else if (strcasecmp(opt, "permit-pty") == 0) |
constraint_flags |= CONSTRAINT_PTY; |
critical_flags |= CRITOPT_PTY; |
else if (strcasecmp(opt, "no-user-rc") == 0) |
else if (strcasecmp(opt, "no-user-rc") == 0) |
constraint_flags &= ~CONSTRAINT_USER_RC; |
critical_flags &= ~CRITOPT_USER_RC; |
else if (strcasecmp(opt, "permit-user-rc") == 0) |
else if (strcasecmp(opt, "permit-user-rc") == 0) |
constraint_flags |= CONSTRAINT_USER_RC; |
critical_flags |= CRITOPT_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 constraint"); |
fatal("Empty force-command option"); |
if (constraint_command != NULL) |
if (critical_command != NULL) |
fatal("force-command already specified"); |
fatal("force-command already specified"); |
constraint_command = xstrdup(val); |
critical_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 constraint"); |
fatal("Empty source-address option"); |
if (constraint_src_addr != NULL) |
if (critical_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"); |
constraint_src_addr = xstrdup(val); |
critical_src_addr = xstrdup(val); |
} else |
} else |
fatal("Unsupported certificate constraint \"%s\"", opt); |
fatal("Unsupported certificate option \"%s\"", opt); |
} |
} |
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static void |
static void |
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Key *key; |
Key *key; |
struct stat st; |
struct stat st; |
char *key_fp, *ca_fp; |
char *key_fp, *ca_fp; |
Buffer constraints, constraint; |
Buffer options, option; |
u_char *name, *data; |
u_char *name, *data; |
u_int i, dlen; |
u_int i, dlen, v00; |
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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"); |
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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)) |
fatal("%s is not a certificate", identity_file); |
fatal("%s is not a certificate", identity_file); |
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v00 = key->type == KEY_RSA_CERT_V00 || key->type == KEY_DSA_CERT_V00; |
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key_fp = key_fingerprint(key, SSH_FP_MD5, SSH_FP_HEX); |
key_fp = key_fingerprint(key, SSH_FP_MD5, SSH_FP_HEX); |
ca_fp = key_fingerprint(key->cert->signature_key, |
ca_fp = key_fingerprint(key->cert->signature_key, |
SSH_FP_MD5, SSH_FP_HEX); |
SSH_FP_MD5, SSH_FP_HEX); |
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printf("%s:\n", identity_file); |
printf("%s:\n", identity_file); |
printf(" %s certificate %s\n", key_type(key), key_fp); |
printf(" Type: %s %s certificate\n", key_ssh_name(key), |
printf(" Signed by %s CA %s\n", |
key_cert_type(key)); |
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printf(" Public key: %s %s\n", key_type(key), key_fp); |
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printf(" Signing CA: %s %s\n", |
key_type(key->cert->signature_key), ca_fp); |
key_type(key->cert->signature_key), ca_fp); |
printf(" Key ID \"%s\"\n", key->cert->key_id); |
printf(" Key ID: \"%s\"\n", key->cert->key_id); |
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if (!v00) |
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printf(" Serial: %llu\n", key->cert->serial); |
printf(" Valid: %s\n", |
printf(" Valid: %s\n", |
fmt_validity(key->cert->valid_after, key->cert->valid_before)); |
fmt_validity(key->cert->valid_after, key->cert->valid_before)); |
printf(" Principals: "); |
printf(" Principals: "); |
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key->cert->principals[i]); |
key->cert->principals[i]); |
printf("\n"); |
printf("\n"); |
} |
} |
printf(" Constraints: "); |
printf(" Critical Options: "); |
if (buffer_len(&key->cert->constraints) == 0) |
if (buffer_len(&key->cert->critical) == 0) |
printf("(none)\n"); |
printf("(none)\n"); |
else { |
else { |
printf("\n"); |
printf("\n"); |
buffer_init(&constraints); |
buffer_init(&options); |
buffer_append(&constraints, |
buffer_append(&options, |
buffer_ptr(&key->cert->constraints), |
buffer_ptr(&key->cert->critical), |
buffer_len(&key->cert->constraints)); |
buffer_len(&key->cert->critical)); |
buffer_init(&constraint); |
buffer_init(&option); |
while (buffer_len(&constraints) != 0) { |
while (buffer_len(&options) != 0) { |
name = buffer_get_string(&constraints, NULL); |
name = buffer_get_string(&options, NULL); |
data = buffer_get_string_ptr(&constraints, &dlen); |
data = buffer_get_string_ptr(&options, &dlen); |
buffer_append(&constraint, data, dlen); |
buffer_append(&option, data, dlen); |
printf(" %s", name); |
printf(" %s", name); |
if (strcmp(name, "permit-X11-forwarding") == 0 || |
if (strcmp(name, "permit-X11-forwarding") == 0 || |
strcmp(name, "permit-agent-forwarding") == 0 || |
strcmp(name, "permit-agent-forwarding") == 0 || |
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printf("\n"); |
printf("\n"); |
else if (strcmp(name, "force-command") == 0 || |
else if (strcmp(name, "force-command") == 0 || |
strcmp(name, "source-address") == 0) { |
strcmp(name, "source-address") == 0) { |
data = buffer_get_string(&constraint, NULL); |
data = buffer_get_string(&option, NULL); |
printf(" %s\n", data); |
printf(" %s\n", data); |
xfree(data); |
xfree(data); |
} else { |
} else { |
printf(" UNKNOWN CONSTRAINT (len %u)\n", |
printf(" UNKNOWN OPTION (len %u)\n", |
buffer_len(&constraint)); |
buffer_len(&option)); |
buffer_clear(&constraint); |
buffer_clear(&option); |
} |
} |
xfree(name); |
xfree(name); |
if (buffer_len(&constraint) != 0) |
if (buffer_len(&option) != 0) |
fatal("Constraint corrupt: extra data at end"); |
fatal("Option corrupt: extra data at end"); |
} |
} |
buffer_free(&constraint); |
buffer_free(&option); |
buffer_free(&constraints); |
buffer_free(&options); |
} |
} |
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if (!v00) { |
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printf(" Extensions: "); |
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if (buffer_len(&key->cert->extensions) == 0) |
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printf("(none)\n"); |
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else { |
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printf("\n"); |
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buffer_init(&options); |
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buffer_append(&options, |
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buffer_ptr(&key->cert->extensions), |
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buffer_len(&key->cert->extensions)); |
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buffer_init(&option); |
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while (buffer_len(&options) != 0) { |
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name = buffer_get_string(&options, NULL); |
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(void)buffer_get_string_ptr(&options, &dlen); |
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printf(" %s UNKNOWN OPTION " |
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"(len %u)\n", name, dlen); |
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xfree(name); |
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} |
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buffer_free(&option); |
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buffer_free(&options); |
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} |
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} |
exit(0); |
exit(0); |
} |
} |
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fprintf(stderr, " -M memory Amount of memory (MB) to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -M memory Amount of memory (MB) to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -n name,... User/host principal names to include in certificate\n"); |
fprintf(stderr, " -n name,... User/host principal names to include in certificate\n"); |
fprintf(stderr, " -N phrase Provide new passphrase.\n"); |
fprintf(stderr, " -N phrase Provide new passphrase.\n"); |
fprintf(stderr, " -O cnstr Specify a certificate constraint.\n"); |
fprintf(stderr, " -O option Specify a certificate option.\n"); |
fprintf(stderr, " -P phrase Provide old passphrase.\n"); |
fprintf(stderr, " -P phrase Provide old passphrase.\n"); |
fprintf(stderr, " -p Change passphrase of private key file.\n"); |
fprintf(stderr, " -p Change passphrase of private key file.\n"); |
fprintf(stderr, " -q Quiet.\n"); |
fprintf(stderr, " -q Quiet.\n"); |
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fprintf(stderr, " -v Verbose.\n"); |
fprintf(stderr, " -v Verbose.\n"); |
fprintf(stderr, " -W gen Generator to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -W gen Generator to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -y Read private key file and print public key.\n"); |
fprintf(stderr, " -y Read private key file and print public key.\n"); |
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fprintf(stderr, " -z serial Specify a serial number.\n"); |
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exit(1); |
exit(1); |
} |
} |
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struct passwd *pw; |
struct passwd *pw; |
struct stat st; |
struct stat st; |
int opt, type, fd; |
int opt, type, fd; |
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u_int maxbits; |
u_int32_t memory = 0, generator_wanted = 0, trials = 100; |
u_int32_t memory = 0, generator_wanted = 0, trials = 100; |
int do_gen_candidates = 0, do_screen_candidates = 0; |
int do_gen_candidates = 0, do_screen_candidates = 0; |
BIGNUM *start = NULL; |
BIGNUM *start = NULL; |
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} |
} |
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while ((opt = getopt(argc, argv, "degiqpclBHLhvxXyF:b:f:t:D:I:P:N:n:" |
while ((opt = getopt(argc, argv, "degiqpclBHLhvxXyF:b:f:t:D:I:P:N:n:" |
"O:C:r:g:R:T:G:M:S:s:a:V:W:")) != -1) { |
"O:C:r:g:R:T:G:M:S:s:a:V:W:z:")) != -1) { |
switch (opt) { |
switch (opt) { |
case 'b': |
case 'b': |
bits = (u_int32_t)strtonum(optarg, 768, 32768, &errstr); |
bits = (u_int32_t)strtonum(optarg, 768, 32768, &errstr); |
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identity_new_passphrase = optarg; |
identity_new_passphrase = optarg; |
break; |
break; |
case 'O': |
case 'O': |
add_cert_constraint(optarg); |
add_cert_option(optarg); |
break; |
break; |
case 'C': |
case 'C': |
identity_comment = optarg; |
identity_comment = optarg; |
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break; |
break; |
case 'h': |
case 'h': |
cert_key_type = SSH2_CERT_TYPE_HOST; |
cert_key_type = SSH2_CERT_TYPE_HOST; |
constraint_flags = 0; |
critical_flags = 0; |
break; |
break; |
case 'i': |
case 'i': |
case 'X': |
case 'X': |
|
|
break; |
break; |
case 'M': |
case 'M': |
memory = (u_int32_t)strtonum(optarg, 1, UINT_MAX, &errstr); |
memory = (u_int32_t)strtonum(optarg, 1, UINT_MAX, &errstr); |
if (errstr) { |
if (errstr) |
fatal("Memory limit is %s: %s", errstr, optarg); |
fatal("Memory limit is %s: %s", errstr, optarg); |
} |
|
break; |
break; |
case 'G': |
case 'G': |
do_gen_candidates = 1; |
do_gen_candidates = 1; |
|
|
case 'V': |
case 'V': |
parse_cert_times(optarg); |
parse_cert_times(optarg); |
break; |
break; |
|
case 'z': |
|
cert_serial = strtonum(optarg, 0, LLONG_MAX, &errstr); |
|
if (errstr) |
|
fatal("Invalid serial number: %s", errstr); |
|
break; |
case '?': |
case '?': |
default: |
default: |
usage(); |
usage(); |
|
|
} |
} |
if (bits == 0) |
if (bits == 0) |
bits = (type == KEY_DSA) ? DEFAULT_BITS_DSA : DEFAULT_BITS; |
bits = (type == KEY_DSA) ? DEFAULT_BITS_DSA : DEFAULT_BITS; |
|
maxbits = (type == KEY_DSA) ? |
|
OPENSSL_DSA_MAX_MODULUS_BITS : OPENSSL_RSA_MAX_MODULUS_BITS; |
|
if (bits > maxbits) { |
|
fprintf(stderr, "key bits exceeds maximum %d\n", maxbits); |
|
exit(1); |
|
} |
if (type == KEY_DSA && bits != 1024) |
if (type == KEY_DSA && bits != 1024) |
fatal("DSA keys must be 1024 bits"); |
fatal("DSA keys must be 1024 bits"); |
if (!quiet) |
if (!quiet) |
|
|
ask_filename(pw, "Enter file in which to save the key"); |
ask_filename(pw, "Enter file in which to save the key"); |
|
|
/* Create ~/.ssh directory if it doesn't already exist. */ |
/* Create ~/.ssh directory if it doesn't already exist. */ |
snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", pw->pw_dir, _PATH_SSH_USER_DIR); |
snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", |
if (strstr(identity_file, dotsshdir) != NULL && |
pw->pw_dir, _PATH_SSH_USER_DIR); |
stat(dotsshdir, &st) < 0) { |
if (strstr(identity_file, dotsshdir) != NULL) { |
if (mkdir(dotsshdir, 0700) < 0) |
if (stat(dotsshdir, &st) < 0) { |
error("Could not create directory '%s'.", dotsshdir); |
if (errno != ENOENT) { |
else if (!quiet) |
error("Could not stat %s: %s", dotsshdir, |
printf("Created directory '%s'.\n", dotsshdir); |
strerror(errno)); |
|
} else if (mkdir(dotsshdir, 0700) < 0) { |
|
error("Could not create directory '%s': %s", |
|
dotsshdir, strerror(errno)); |
|
} else if (!quiet) |
|
printf("Created directory '%s'.\n", dotsshdir); |
|
} |
} |
} |
/* If the file already exists, ask the user to confirm. */ |
/* If the file already exists, ask the user to confirm. */ |
if (stat(identity_file, &st) >= 0) { |
if (stat(identity_file, &st) >= 0) { |