version 1.364, 2019/11/14 21:27:30 |
version 1.374, 2019/12/10 22:37:20 |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include <stdarg.h> |
#include <unistd.h> |
#include <unistd.h> |
#include <limits.h> |
#include <limits.h> |
#include <locale.h> |
#include <locale.h> |
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static u_int64_t cert_valid_to = ~0ULL; |
static u_int64_t cert_valid_to = ~0ULL; |
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/* Certificate options */ |
/* Certificate options */ |
#define CERTOPT_X_FWD (1) |
#define CERTOPT_X_FWD (1) |
#define CERTOPT_AGENT_FWD (1<<1) |
#define CERTOPT_AGENT_FWD (1<<1) |
#define CERTOPT_PORT_FWD (1<<2) |
#define CERTOPT_PORT_FWD (1<<2) |
#define CERTOPT_PTY (1<<3) |
#define CERTOPT_PTY (1<<3) |
#define CERTOPT_USER_RC (1<<4) |
#define CERTOPT_USER_RC (1<<4) |
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#define CERTOPT_NO_REQUIRE_USER_PRESENCE (1<<5) |
#define CERTOPT_DEFAULT (CERTOPT_X_FWD|CERTOPT_AGENT_FWD| \ |
#define CERTOPT_DEFAULT (CERTOPT_X_FWD|CERTOPT_AGENT_FWD| \ |
CERTOPT_PORT_FWD|CERTOPT_PTY|CERTOPT_USER_RC) |
CERTOPT_PORT_FWD|CERTOPT_PTY|CERTOPT_USER_RC) |
static u_int32_t certflags_flags = CERTOPT_DEFAULT; |
static u_int32_t certflags_flags = CERTOPT_DEFAULT; |
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if (sshkey_sign(key, &sig, &slen, data, sizeof(data), |
if (sshkey_sign(key, &sig, &slen, data, sizeof(data), |
NULL, NULL, 0) != 0 || |
NULL, NULL, 0) != 0 || |
sshkey_verify(key, sig, slen, data, sizeof(data), |
sshkey_verify(key, sig, slen, data, sizeof(data), |
NULL, 0) != 0) { |
NULL, 0, NULL) != 0) { |
sshkey_free(key); |
sshkey_free(key); |
free(sig); |
free(sig); |
return NULL; |
return NULL; |
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(certflags_flags & CERTOPT_USER_RC) != 0) |
(certflags_flags & CERTOPT_USER_RC) != 0) |
add_flag_option(c, "permit-user-rc"); |
add_flag_option(c, "permit-user-rc"); |
if ((which & OPTIONS_CRITICAL) != 0 && |
if ((which & OPTIONS_CRITICAL) != 0 && |
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(certflags_flags & CERTOPT_NO_REQUIRE_USER_PRESENCE) != 0) |
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add_flag_option(c, "no-touch-required"); |
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if ((which & OPTIONS_CRITICAL) != 0 && |
certflags_src_addr != NULL) |
certflags_src_addr != NULL) |
add_string_option(c, "source-address", certflags_src_addr); |
add_string_option(c, "source-address", certflags_src_addr); |
for (i = 0; i < ncert_userext; i++) { |
for (i = 0; i < ncert_userext; i++) { |
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int r, i, fd, found, agent_fd = -1; |
int r, i, fd, found, agent_fd = -1; |
u_int n; |
u_int n; |
struct sshkey *ca, *public; |
struct sshkey *ca, *public; |
char valid[64], *otmp, *tmp, *cp, *out, *comment, **plist = NULL; |
char valid[64], *otmp, *tmp, *cp, *out, *comment; |
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char *ca_fp = NULL, **plist = NULL; |
FILE *f; |
FILE *f; |
struct ssh_identitylist *agent_ids; |
struct ssh_identitylist *agent_ids; |
size_t j; |
size_t j; |
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struct notifier_ctx *notifier = NULL; |
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#ifdef ENABLE_PKCS11 |
#ifdef ENABLE_PKCS11 |
pkcs11_init(1); |
pkcs11_init(1); |
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fatal("CA key type %s doesn't match specified %s", |
fatal("CA key type %s doesn't match specified %s", |
sshkey_ssh_name(ca), key_type_name); |
sshkey_ssh_name(ca), key_type_name); |
} |
} |
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ca_fp = sshkey_fingerprint(ca, fingerprint_hash, SSH_FP_DEFAULT); |
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for (i = 0; i < argc; i++) { |
for (i = 0; i < argc; i++) { |
/* Split list of principals */ |
/* Split list of principals */ |
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if ((r = sshkey_load_public(tmp, &public, &comment)) != 0) |
if ((r = sshkey_load_public(tmp, &public, &comment)) != 0) |
fatal("%s: unable to open \"%s\": %s", |
fatal("%s: unable to open \"%s\": %s", |
__func__, tmp, ssh_err(r)); |
__func__, tmp, ssh_err(r)); |
if (public->type != KEY_RSA && public->type != KEY_DSA && |
if (sshkey_is_cert(public)) |
public->type != KEY_ECDSA && public->type != KEY_ED25519 && |
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public->type != KEY_XMSS) |
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fatal("%s: key \"%s\" type %s cannot be certified", |
fatal("%s: key \"%s\" type %s cannot be certified", |
__func__, tmp, sshkey_type(public)); |
__func__, tmp, sshkey_type(public)); |
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fatal("Couldn't certify key %s via agent: %s", |
fatal("Couldn't certify key %s via agent: %s", |
tmp, ssh_err(r)); |
tmp, ssh_err(r)); |
} else { |
} else { |
if ((sshkey_certify(public, ca, key_type_name, |
if (sshkey_is_sk(ca) && |
sk_provider)) != 0) |
(ca->sk_flags & SSH_SK_USER_PRESENCE_REQD)) { |
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notifier = notify_start(0, |
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"Confirm user presence for key %s %s", |
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sshkey_type(ca), ca_fp); |
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} |
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r = sshkey_certify(public, ca, key_type_name, |
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sk_provider); |
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notify_complete(notifier); |
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if (r != 0) |
fatal("Couldn't certify key %s: %s", |
fatal("Couldn't certify key %s: %s", |
tmp, ssh_err(r)); |
tmp, ssh_err(r)); |
} |
} |
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if (cert_serial_autoinc) |
if (cert_serial_autoinc) |
cert_serial++; |
cert_serial++; |
} |
} |
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free(ca_fp); |
#ifdef ENABLE_PKCS11 |
#ifdef ENABLE_PKCS11 |
pkcs11_terminate(); |
pkcs11_terminate(); |
#endif |
#endif |
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certflags_flags &= ~CERTOPT_USER_RC; |
certflags_flags &= ~CERTOPT_USER_RC; |
else if (strcasecmp(opt, "permit-user-rc") == 0) |
else if (strcasecmp(opt, "permit-user-rc") == 0) |
certflags_flags |= CERTOPT_USER_RC; |
certflags_flags |= CERTOPT_USER_RC; |
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else if (strcasecmp(opt, "touch-required") == 0) |
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certflags_flags &= ~CERTOPT_NO_REQUIRE_USER_PRESENCE; |
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else if (strcasecmp(opt, "no-touch-required") == 0) |
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certflags_flags |= CERTOPT_NO_REQUIRE_USER_PRESENCE; |
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') |
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strcmp(name, "permit-agent-forwarding") == 0 || |
strcmp(name, "permit-agent-forwarding") == 0 || |
strcmp(name, "permit-port-forwarding") == 0 || |
strcmp(name, "permit-port-forwarding") == 0 || |
strcmp(name, "permit-pty") == 0 || |
strcmp(name, "permit-pty") == 0 || |
strcmp(name, "permit-user-rc") == 0)) |
strcmp(name, "permit-user-rc") == 0 || |
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strcmp(name, "no-touch-required") == 0)) { |
printf("\n"); |
printf("\n"); |
else if (in_critical && |
} else if (in_critical && |
(strcmp(name, "force-command") == 0 || |
(strcmp(name, "force-command") == 0 || |
strcmp(name, "source-address") == 0)) { |
strcmp(name, "source-address") == 0)) { |
if ((r = sshbuf_get_cstring(option, &arg, NULL)) != 0) |
if ((r = sshbuf_get_cstring(option, &arg, NULL)) != 0) |
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struct sshbuf *sigbuf = NULL, *abuf = NULL; |
struct sshbuf *sigbuf = NULL, *abuf = NULL; |
struct sshkey *sign_key = NULL; |
struct sshkey *sign_key = NULL; |
char *fp = NULL; |
char *fp = NULL; |
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struct sshkey_sig_details *sig_details = NULL; |
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memset(&sig_details, 0, sizeof(sig_details)); |
if ((abuf = sshbuf_new()) == NULL) |
if ((abuf = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new() failed", __func__); |
fatal("%s: sshbuf_new() failed", __func__); |
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return r; |
return r; |
} |
} |
if ((r = sshsig_verify_fd(sigbuf, STDIN_FILENO, sig_namespace, |
if ((r = sshsig_verify_fd(sigbuf, STDIN_FILENO, sig_namespace, |
&sign_key)) != 0) |
&sign_key, &sig_details)) != 0) |
goto done; /* sshsig_verify() prints error */ |
goto done; /* sshsig_verify() prints error */ |
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if ((fp = sshkey_fingerprint(sign_key, fingerprint_hash, |
if ((fp = sshkey_fingerprint(sign_key, fingerprint_hash, |
SSH_FP_DEFAULT)) == NULL) |
SSH_FP_DEFAULT)) == NULL) |
fatal("%s: sshkey_fingerprint failed", __func__); |
fatal("%s: sshkey_fingerprint failed", __func__); |
debug("Valid (unverified) signature from key %s", fp); |
debug("Valid (unverified) signature from key %s", fp); |
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if (sig_details != NULL) { |
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debug2("%s: signature details: counter = %u, flags = 0x%02x", |
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__func__, sig_details->sk_counter, sig_details->sk_flags); |
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} |
free(fp); |
free(fp); |
fp = NULL; |
fp = NULL; |
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sshbuf_free(sigbuf); |
sshbuf_free(sigbuf); |
sshbuf_free(abuf); |
sshbuf_free(abuf); |
sshkey_free(sign_key); |
sshkey_free(sign_key); |
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sshkey_sig_details_free(sig_details); |
free(fp); |
free(fp); |
return ret; |
return ret; |
} |
} |
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{ |
{ |
fprintf(stderr, |
fprintf(stderr, |
"usage: ssh-keygen [-q] [-b bits] [-C comment] [-f output_keyfile] [-m format]\n" |
"usage: ssh-keygen [-q] [-b bits] [-C comment] [-f output_keyfile] [-m format]\n" |
" [-t dsa | ecdsa | ecdsa-sk | ed25519 | rsa]\n" |
" [-t dsa | ecdsa | ecdsa-sk | ed25519 | ed25519-sk | rsa]\n" |
" [-N new_passphrase] [-w provider] [-x flags]\n" |
" [-N new_passphrase] [-w provider] [-x flags]\n" |
" ssh-keygen -p [-f keyfile] [-m format] [-N new_passphrase]\n" |
" ssh-keygen -p [-f keyfile] [-m format] [-N new_passphrase]\n" |
" [-P old_passphrase]\n" |
" [-P old_passphrase]\n" |
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break; |
break; |
case 'Y': |
case 'Y': |
sign_op = optarg; |
sign_op = optarg; |
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break; |
case 'w': |
case 'w': |
sk_provider = optarg; |
sk_provider = optarg; |
break; |
break; |
case 'x': |
case 'x': |
if (*optarg == '\0') |
if (*optarg == '\0') |
fatal("Missing security key flags"); |
fatal("Missing security key flags"); |
ull = strtoull(optarg, &ep, 0); |
if (strcasecmp(optarg, "no-touch-required") == 0) |
if (*ep != '\0') |
sk_flags &= ~SSH_SK_USER_PRESENCE_REQD; |
fatal("Security key flags \"%s\" is not a " |
else { |
"number", optarg); |
ull = strtoull(optarg, &ep, 0); |
if (ull > 0xff) |
if (*ep != '\0') |
fatal("Invalid security key flags 0x%llx", ull); |
fatal("Security key flags \"%s\" is " |
sk_flags = (uint8_t)ull; |
"not a number", optarg); |
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if (ull > 0xff) { |
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fatal("Invalid security key " |
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"flags 0x%llx", ull); |
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} |
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sk_flags = (uint8_t)ull; |
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} |
break; |
break; |
case 'z': |
case 'z': |
errno = 0; |
errno = 0; |
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switch (type) { |
switch (type) { |
case KEY_ECDSA_SK: |
case KEY_ECDSA_SK: |
case KEY_ED25519_SK: |
case KEY_ED25519_SK: |
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if (!quiet) { |
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printf("You may need to touch your security key " |
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"to authorize key generation.\n"); |
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} |
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fflush(stdout); |
if (sshsk_enroll(type, sk_provider, |
if (sshsk_enroll(type, sk_provider, |
cert_key_id == NULL ? "ssh:" : cert_key_id, |
cert_key_id == NULL ? "ssh:" : cert_key_id, |
sk_flags, NULL, &private, NULL) != 0) |
sk_flags, NULL, &private, NULL) != 0) |