version 1.320, 2018/09/12 01:21:34 |
version 1.334, 2019/07/05 04:55:40 |
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#include "xmalloc.h" |
#include "xmalloc.h" |
#include "sshkey.h" |
#include "sshkey.h" |
#include "authfile.h" |
#include "authfile.h" |
#include "uuencode.h" |
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#include "sshbuf.h" |
#include "sshbuf.h" |
#include "pathnames.h" |
#include "pathnames.h" |
#include "log.h" |
#include "log.h" |
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# define DEFAULT_KEY_TYPE_NAME "ed25519" |
# define DEFAULT_KEY_TYPE_NAME "ed25519" |
#endif |
#endif |
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/* Number of bits in the RSA/DSA key. This value can be set on the command line. */ |
/* |
#define DEFAULT_BITS 2048 |
* Default number of bits in the RSA, DSA and ECDSA keys. These value can be |
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* overridden on the command line. |
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* |
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* These values, with the exception of DSA, provide security equivalent to at |
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* least 128 bits of security according to NIST Special Publication 800-57: |
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* Recommendation for Key Management Part 1 rev 4 section 5.6.1. |
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* For DSA it (and FIPS-186-4 section 4.2) specifies that the only size for |
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* which a 160bit hash is acceptable is 1kbit, and since ssh-dss specifies only |
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* SHA1 we limit the DSA key size 1k bits. |
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*/ |
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#define DEFAULT_BITS 3072 |
#define DEFAULT_BITS_DSA 1024 |
#define DEFAULT_BITS_DSA 1024 |
#define DEFAULT_BITS_ECDSA 256 |
#define DEFAULT_BITS_ECDSA 256 |
u_int32_t bits = 0; |
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/* |
static int quiet = 0; |
* Flag indicating that we just want to change the passphrase. This can be |
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* set on the command line. |
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*/ |
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int change_passphrase = 0; |
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/* |
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* Flag indicating that we just want to change the comment. This can be set |
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* on the command line. |
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*/ |
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int change_comment = 0; |
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int quiet = 0; |
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int log_level = SYSLOG_LEVEL_INFO; |
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/* Flag indicating that we want to hash a known_hosts file */ |
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int hash_hosts = 0; |
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/* Flag indicating that we want lookup a host in known_hosts file */ |
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int find_host = 0; |
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/* Flag indicating that we want to delete a host from a known_hosts file */ |
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int delete_host = 0; |
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/* Flag indicating that we want to show the contents of a certificate */ |
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int show_cert = 0; |
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/* Flag indicating that we just want to see the key fingerprint */ |
/* Flag indicating that we just want to see the key fingerprint */ |
int print_fingerprint = 0; |
static int print_fingerprint = 0; |
int print_bubblebabble = 0; |
static int print_bubblebabble = 0; |
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/* Hash algorithm to use for fingerprints. */ |
/* Hash algorithm to use for fingerprints. */ |
int fingerprint_hash = SSH_FP_HASH_DEFAULT; |
static int fingerprint_hash = SSH_FP_HASH_DEFAULT; |
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/* The identity file name, given on the command line or entered by the user. */ |
/* The identity file name, given on the command line or entered by the user. */ |
char identity_file[1024]; |
static char identity_file[1024]; |
int have_identity = 0; |
static int have_identity = 0; |
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/* This is set to the passphrase if given on the command line. */ |
/* This is set to the passphrase if given on the command line. */ |
char *identity_passphrase = NULL; |
static char *identity_passphrase = NULL; |
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/* This is set to the new passphrase if given on the command line. */ |
/* This is set to the new passphrase if given on the command line. */ |
char *identity_new_passphrase = NULL; |
static char *identity_new_passphrase = NULL; |
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/* This is set to the new comment if given on the command line. */ |
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char *identity_comment = NULL; |
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/* Path to CA key when certifying keys. */ |
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char *ca_key_path = NULL; |
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/* Prefer to use agent keys for CA signing */ |
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int prefer_agent = 0; |
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/* Certificate serial number */ |
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unsigned 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; |
static u_int cert_key_type = SSH2_CERT_TYPE_USER; |
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/* "key ID" of signed key */ |
/* "key ID" of signed key */ |
char *cert_key_id = NULL; |
static char *cert_key_id = NULL; |
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/* Comma-separated list of principal names for certifying keys */ |
/* Comma-separated list of principal names for certifying keys */ |
char *cert_principals = NULL; |
static char *cert_principals = NULL; |
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/* Validity period for certificates */ |
/* Validity period for certificates */ |
u_int64_t cert_valid_from = 0; |
static u_int64_t cert_valid_from = 0; |
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) |
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#define CERTOPT_USER_RC (1<<4) |
#define CERTOPT_USER_RC (1<<4) |
#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) |
u_int32_t certflags_flags = CERTOPT_DEFAULT; |
static u_int32_t certflags_flags = CERTOPT_DEFAULT; |
char *certflags_command = NULL; |
static char *certflags_command = NULL; |
char *certflags_src_addr = NULL; |
static char *certflags_src_addr = NULL; |
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/* Arbitrary extensions specified by user */ |
/* Arbitrary extensions specified by user */ |
struct cert_userext { |
struct cert_userext { |
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char *val; |
char *val; |
int crit; |
int crit; |
}; |
}; |
struct cert_userext *cert_userext; |
static struct cert_userext *cert_userext; |
size_t ncert_userext; |
static size_t ncert_userext; |
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/* Conversion to/from various formats */ |
/* Conversion to/from various formats */ |
int convert_to = 0; |
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int convert_from = 0; |
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enum { |
enum { |
FMT_RFC4716, |
FMT_RFC4716, |
FMT_PKCS8, |
FMT_PKCS8, |
FMT_PEM |
FMT_PEM |
} convert_format = FMT_RFC4716; |
} convert_format = FMT_RFC4716; |
int print_public = 0; |
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int print_generic = 0; |
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char *key_type_name = NULL; |
static char *key_type_name = NULL; |
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/* Load key from this PKCS#11 provider */ |
/* Load key from this PKCS#11 provider */ |
char *pkcs11provider = NULL; |
static char *pkcs11provider = NULL; |
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/* Use new OpenSSH private key format when writing SSH2 keys instead of PEM */ |
/* Use new OpenSSH private key format when writing SSH2 keys instead of PEM */ |
int use_new_format = 1; |
static int use_new_format = 1; |
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/* Cipher for new-format private keys */ |
/* Cipher for new-format private keys */ |
char *new_format_cipher = NULL; |
static char *new_format_cipher = NULL; |
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/* |
/* |
* Number of KDF rounds to derive new format keys / |
* Number of KDF rounds to derive new format keys / |
* number of primality trials when screening moduli. |
* number of primality trials when screening moduli. |
*/ |
*/ |
int rounds = 0; |
static int rounds = 0; |
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/* argv0 */ |
/* argv0 */ |
extern char *__progname; |
extern char *__progname; |
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char hostname[NI_MAXHOST]; |
static char hostname[NI_MAXHOST]; |
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#ifdef WITH_OPENSSL |
#ifdef WITH_OPENSSL |
/* moduli.c */ |
/* moduli.c */ |
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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) == -1) |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
if ((r = sshkey_load_public(identity_file, &k, NULL)) != 0) |
if ((r = sshkey_load_public(identity_file, &k, NULL)) != 0) |
k = load_identity(identity_file); |
k = load_identity(identity_file); |
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u_int magic, i1, i2, i3, i4; |
u_int magic, i1, i2, i3, i4; |
size_t slen; |
size_t slen; |
u_long e; |
u_long e; |
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BIGNUM *dsa_p = NULL, *dsa_q = NULL, *dsa_g = NULL; |
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BIGNUM *dsa_pub_key = NULL, *dsa_priv_key = NULL; |
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BIGNUM *rsa_n = NULL, *rsa_e = NULL, *rsa_d = NULL; |
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BIGNUM *rsa_p = NULL, *rsa_q = NULL, *rsa_iqmp = NULL; |
if ((b = sshbuf_from(blob, blen)) == NULL) |
if ((b = sshbuf_from(blob, blen)) == NULL) |
fatal("%s: sshbuf_from failed", __func__); |
fatal("%s: sshbuf_from failed", __func__); |
if ((r = sshbuf_get_u32(b, &magic)) != 0) |
if ((r = sshbuf_get_u32(b, &magic)) != 0) |
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free(type); |
free(type); |
return NULL; |
return NULL; |
} |
} |
if ((key = sshkey_new_private(ktype)) == NULL) |
if ((key = sshkey_new(ktype)) == NULL) |
fatal("sshkey_new_private failed"); |
fatal("sshkey_new failed"); |
free(type); |
free(type); |
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switch (key->type) { |
switch (key->type) { |
case KEY_DSA: |
case KEY_DSA: |
buffer_get_bignum_bits(b, key->dsa->p); |
if ((dsa_p = BN_new()) == NULL || |
buffer_get_bignum_bits(b, key->dsa->g); |
(dsa_q = BN_new()) == NULL || |
buffer_get_bignum_bits(b, key->dsa->q); |
(dsa_g = BN_new()) == NULL || |
buffer_get_bignum_bits(b, key->dsa->pub_key); |
(dsa_pub_key = BN_new()) == NULL || |
buffer_get_bignum_bits(b, key->dsa->priv_key); |
(dsa_priv_key = BN_new()) == NULL) |
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fatal("%s: BN_new", __func__); |
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buffer_get_bignum_bits(b, dsa_p); |
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buffer_get_bignum_bits(b, dsa_g); |
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buffer_get_bignum_bits(b, dsa_q); |
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buffer_get_bignum_bits(b, dsa_pub_key); |
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buffer_get_bignum_bits(b, dsa_priv_key); |
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if (!DSA_set0_pqg(key->dsa, dsa_p, dsa_q, dsa_g)) |
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fatal("%s: DSA_set0_pqg failed", __func__); |
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dsa_p = dsa_q = dsa_g = NULL; /* transferred */ |
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if (!DSA_set0_key(key->dsa, dsa_pub_key, dsa_priv_key)) |
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fatal("%s: DSA_set0_key failed", __func__); |
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dsa_pub_key = dsa_priv_key = NULL; /* transferred */ |
break; |
break; |
case KEY_RSA: |
case KEY_RSA: |
if ((r = sshbuf_get_u8(b, &e1)) != 0 || |
if ((r = sshbuf_get_u8(b, &e1)) != 0 || |
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e += e3; |
e += e3; |
debug("e %lx", e); |
debug("e %lx", e); |
} |
} |
if (!BN_set_word(key->rsa->e, e)) { |
if ((rsa_e = BN_new()) == NULL) |
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fatal("%s: BN_new", __func__); |
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if (!BN_set_word(rsa_e, e)) { |
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BN_clear_free(rsa_e); |
sshbuf_free(b); |
sshbuf_free(b); |
sshkey_free(key); |
sshkey_free(key); |
return NULL; |
return NULL; |
} |
} |
buffer_get_bignum_bits(b, key->rsa->d); |
if ((rsa_n = BN_new()) == NULL || |
buffer_get_bignum_bits(b, key->rsa->n); |
(rsa_d = BN_new()) == NULL || |
buffer_get_bignum_bits(b, key->rsa->iqmp); |
(rsa_p = BN_new()) == NULL || |
buffer_get_bignum_bits(b, key->rsa->q); |
(rsa_q = BN_new()) == NULL || |
buffer_get_bignum_bits(b, key->rsa->p); |
(rsa_iqmp = BN_new()) == NULL) |
if ((r = ssh_rsa_generate_additional_parameters(key)) != 0) |
fatal("%s: BN_new", __func__); |
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buffer_get_bignum_bits(b, rsa_d); |
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buffer_get_bignum_bits(b, rsa_n); |
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buffer_get_bignum_bits(b, rsa_iqmp); |
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buffer_get_bignum_bits(b, rsa_q); |
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buffer_get_bignum_bits(b, rsa_p); |
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if (!RSA_set0_key(key->rsa, rsa_n, rsa_e, rsa_d)) |
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fatal("%s: RSA_set0_key failed", __func__); |
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rsa_n = rsa_e = rsa_d = NULL; /* transferred */ |
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if (!RSA_set0_factors(key->rsa, rsa_p, rsa_q)) |
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fatal("%s: RSA_set0_factors failed", __func__); |
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rsa_p = rsa_q = NULL; /* transferred */ |
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if ((r = ssh_rsa_complete_crt_parameters(key, rsa_iqmp)) != 0) |
fatal("generate RSA parameters failed: %s", ssh_err(r)); |
fatal("generate RSA parameters failed: %s", ssh_err(r)); |
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BN_clear_free(rsa_iqmp); |
break; |
break; |
} |
} |
rlen = sshbuf_len(b); |
rlen = sshbuf_len(b); |
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identity_file); |
identity_file); |
} |
} |
fclose(fp); |
fclose(fp); |
switch (EVP_PKEY_type(pubkey->type)) { |
switch (EVP_PKEY_base_id(pubkey)) { |
case EVP_PKEY_RSA: |
case EVP_PKEY_RSA: |
if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
fatal("sshkey_new failed"); |
fatal("sshkey_new failed"); |
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break; |
break; |
default: |
default: |
fatal("%s: unsupported pubkey type %d", __func__, |
fatal("%s: unsupported pubkey type %d", __func__, |
EVP_PKEY_type(pubkey->type)); |
EVP_PKEY_base_id(pubkey)); |
} |
} |
EVP_PKEY_free(pubkey); |
EVP_PKEY_free(pubkey); |
return; |
return; |
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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) == -1) |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
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switch (convert_format) { |
switch (convert_format) { |
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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) == -1) |
fatal("%s: %s", identity_file, strerror(errno)); |
fatal("%s: %s", identity_file, strerror(errno)); |
prv = load_identity(identity_file); |
prv = load_identity(identity_file); |
if ((r = sshkey_write(prv, stdout)) != 0) |
if ((r = sshkey_write(prv, stdout)) != 0) |
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fptype = print_bubblebabble ? SSH_DIGEST_SHA1 : fingerprint_hash; |
fptype = print_bubblebabble ? SSH_DIGEST_SHA1 : fingerprint_hash; |
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
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pkcs11_init(0); |
pkcs11_init(1); |
nkeys = pkcs11_add_provider(pkcs11provider, NULL, &keys); |
nkeys = pkcs11_add_provider(pkcs11provider, NULL, &keys); |
if (nkeys <= 0) |
if (nkeys <= 0) |
fatal("cannot read public key from pkcs11"); |
fatal("cannot read public key from pkcs11"); |
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fatal("%s: sshkey_fingerprint fail", __func__); |
fatal("%s: sshkey_fingerprint fail", __func__); |
printf("%u %s %s (PKCS11 key)\n", sshkey_size(keys[i]), |
printf("%u %s %s (PKCS11 key)\n", sshkey_size(keys[i]), |
fp, sshkey_type(keys[i])); |
fp, sshkey_type(keys[i])); |
if (log_level >= SYSLOG_LEVEL_VERBOSE) |
if (log_level_get() >= SYSLOG_LEVEL_VERBOSE) |
printf("%s\n", ra); |
printf("%s\n", ra); |
free(ra); |
free(ra); |
free(fp); |
free(fp); |
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fatal("%s: sshkey_fingerprint failed", __func__); |
fatal("%s: sshkey_fingerprint failed", __func__); |
mprintf("%u %s %s (%s)\n", sshkey_size(public), fp, |
mprintf("%u %s %s (%s)\n", sshkey_size(public), fp, |
comment ? comment : "no comment", sshkey_type(public)); |
comment ? comment : "no comment", sshkey_type(public)); |
if (log_level >= SYSLOG_LEVEL_VERBOSE) |
if (log_level_get() >= SYSLOG_LEVEL_VERBOSE) |
printf("%s\n", ra); |
printf("%s\n", ra); |
free(ra); |
free(ra); |
free(fp); |
free(fp); |
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struct sshkey *public = NULL; |
struct sshkey *public = NULL; |
int r; |
int r; |
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if (stat(identity_file, &st) < 0) |
if (stat(identity_file, &st) == -1) |
fatal("%s: %s", path, strerror(errno)); |
fatal("%s: %s", path, strerror(errno)); |
if ((r = sshkey_load_public(path, &public, &comment)) != 0) { |
if ((r = sshkey_load_public(path, &public, &comment)) != 0) { |
debug("load public \"%s\": %s", path, ssh_err(r)); |
debug("load public \"%s\": %s", path, ssh_err(r)); |
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{ NULL, NULL, NULL } |
{ NULL, NULL, NULL } |
}; |
}; |
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u_int bits = 0; |
int first = 0; |
int first = 0; |
struct stat st; |
struct stat st; |
struct sshkey *private, *public; |
struct sshkey *private, *public; |
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int has_unhashed; /* When hashing, original had unhashed hosts */ |
int has_unhashed; /* When hashing, original had unhashed hosts */ |
int found_key; /* For find/delete, host was found */ |
int found_key; /* For find/delete, host was found */ |
int invalid; /* File contained invalid items; don't delete */ |
int invalid; /* File contained invalid items; don't delete */ |
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int hash_hosts; /* Hash hostnames as we go */ |
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int find_host; /* Search for specific hostname */ |
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int delete_host; /* Delete host from known_hosts */ |
}; |
}; |
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static int |
static int |
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*/ |
*/ |
if (was_hashed || has_wild || l->marker != MRK_NONE) { |
if (was_hashed || has_wild || l->marker != MRK_NONE) { |
fprintf(ctx->out, "%s\n", l->line); |
fprintf(ctx->out, "%s\n", l->line); |
if (has_wild && !find_host) { |
if (has_wild && !ctx->find_host) { |
logit("%s:%lu: ignoring host name " |
logit("%s:%lu: ignoring host name " |
"with wildcard: %.64s", l->path, |
"with wildcard: %.64s", l->path, |
l->linenum, l->hosts); |
l->linenum, l->hosts); |
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rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
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if (l->status == HKF_STATUS_MATCHED) { |
if (l->status == HKF_STATUS_MATCHED) { |
if (delete_host) { |
if (ctx->delete_host) { |
if (l->marker != MRK_NONE) { |
if (l->marker != MRK_NONE) { |
/* Don't remove CA and revocation lines */ |
/* Don't remove CA and revocation lines */ |
fprintf(ctx->out, "%s\n", l->line); |
fprintf(ctx->out, "%s\n", l->line); |
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ctx->host, l->linenum); |
ctx->host, l->linenum); |
} |
} |
return 0; |
return 0; |
} else if (find_host) { |
} else if (ctx->find_host) { |
ctx->found_key = 1; |
ctx->found_key = 1; |
if (!quiet) { |
if (!quiet) { |
printf("# Host %s found: line %lu %s\n", |
printf("# Host %s found: line %lu %s\n", |
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l->linenum, l->marker == MRK_CA ? "CA" : |
l->linenum, l->marker == MRK_CA ? "CA" : |
(l->marker == MRK_REVOKE ? "REVOKED" : "")); |
(l->marker == MRK_REVOKE ? "REVOKED" : "")); |
} |
} |
if (hash_hosts) |
if (ctx->hash_hosts) |
known_hosts_hash(l, ctx); |
known_hosts_hash(l, ctx); |
else if (print_fingerprint) { |
else if (print_fingerprint) { |
fp = sshkey_fingerprint(l->key, fptype, rep); |
fp = sshkey_fingerprint(l->key, fptype, rep); |
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fprintf(ctx->out, "%s\n", l->line); |
fprintf(ctx->out, "%s\n", l->line); |
return 0; |
return 0; |
} |
} |
} else if (delete_host) { |
} else if (ctx->delete_host) { |
/* Retain non-matching hosts when deleting */ |
/* Retain non-matching hosts when deleting */ |
if (l->status == HKF_STATUS_INVALID) { |
if (l->status == HKF_STATUS_INVALID) { |
ctx->invalid = 1; |
ctx->invalid = 1; |
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} |
} |
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static void |
static void |
do_known_hosts(struct passwd *pw, const char *name) |
do_known_hosts(struct passwd *pw, const char *name, int find_host, |
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int delete_host, int hash_hosts) |
{ |
{ |
char *cp, tmp[PATH_MAX], old[PATH_MAX]; |
char *cp, tmp[PATH_MAX], old[PATH_MAX]; |
int r, fd, oerrno, inplace = 0; |
int r, fd, oerrno, inplace = 0; |
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memset(&ctx, 0, sizeof(ctx)); |
memset(&ctx, 0, sizeof(ctx)); |
ctx.out = stdout; |
ctx.out = stdout; |
ctx.host = name; |
ctx.host = name; |
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ctx.hash_hosts = hash_hosts; |
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ctx.find_host = find_host; |
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ctx.delete_host = delete_host; |
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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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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) == -1) |
fatal("%s: %s", identity_file, strerror(errno)); |
fatal("%s: %s", identity_file, strerror(errno)); |
/* Try to load the file with empty passphrase. */ |
/* Try to load the file with empty passphrase. */ |
r = sshkey_load_private(identity_file, "", &private, &comment); |
r = sshkey_load_private(identity_file, "", &private, &comment); |
|
|
* Print the SSHFP RR. |
* Print the SSHFP RR. |
*/ |
*/ |
static int |
static int |
do_print_resource_record(struct passwd *pw, char *fname, char *hname) |
do_print_resource_record(struct passwd *pw, char *fname, char *hname, |
|
int print_generic) |
{ |
{ |
struct sshkey *public; |
struct sshkey *public; |
char *comment = NULL; |
char *comment = NULL; |
|
|
|
|
if (fname == NULL) |
if (fname == NULL) |
fatal("%s: no filename", __func__); |
fatal("%s: no filename", __func__); |
if (stat(fname, &st) < 0) { |
if (stat(fname, &st) == -1) { |
if (errno == ENOENT) |
if (errno == ENOENT) |
return 0; |
return 0; |
fatal("%s: %s", fname, strerror(errno)); |
fatal("%s: %s", fname, strerror(errno)); |
|
|
* Change the comment of a private key file. |
* Change the comment of a private key file. |
*/ |
*/ |
static void |
static void |
do_change_comment(struct passwd *pw) |
do_change_comment(struct passwd *pw, const char *identity_comment) |
{ |
{ |
char new_comment[1024], *comment, *passphrase; |
char new_comment[1024], *comment, *passphrase; |
struct sshkey *private; |
struct sshkey *private; |
|
|
|
|
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) == -1) |
fatal("%s: %s", identity_file, strerror(errno)); |
fatal("%s: %s", identity_file, strerror(errno)); |
if ((r = sshkey_load_private(identity_file, "", |
if ((r = sshkey_load_private(identity_file, "", |
&private, &comment)) == 0) |
&private, &comment)) == 0) |
|
|
exit(1); |
exit(1); |
} |
} |
if (comment) |
if (comment) |
printf("Key now has comment '%s'\n", comment); |
printf("Old comment: %s\n", comment); |
else |
else |
printf("Key now has no comment\n"); |
printf("No existing comment\n"); |
|
|
if (identity_comment) { |
if (identity_comment) { |
strlcpy(new_comment, identity_comment, sizeof(new_comment)); |
strlcpy(new_comment, identity_comment, sizeof(new_comment)); |
} else { |
} else { |
printf("Enter new comment: "); |
printf("New comment: "); |
fflush(stdout); |
fflush(stdout); |
if (!fgets(new_comment, sizeof(new_comment), stdin)) { |
if (!fgets(new_comment, sizeof(new_comment), stdin)) { |
explicit_bzero(passphrase, strlen(passphrase)); |
explicit_bzero(passphrase, strlen(passphrase)); |
|
|
} |
} |
new_comment[strcspn(new_comment, "\n")] = '\0'; |
new_comment[strcspn(new_comment, "\n")] = '\0'; |
} |
} |
|
if (comment != NULL && strcmp(comment, new_comment) == 0) { |
|
printf("No change to comment\n"); |
|
free(passphrase); |
|
sshkey_free(private); |
|
free(comment); |
|
exit(0); |
|
} |
|
|
/* Save the file using the new passphrase. */ |
/* Save the file using the new passphrase. */ |
if ((r = sshkey_save_private(private, identity_file, passphrase, |
if ((r = sshkey_save_private(private, identity_file, passphrase, |
|
|
|
|
free(comment); |
free(comment); |
|
|
printf("The comment in your key file has been changed.\n"); |
if (strlen(new_comment) > 0) |
|
printf("Comment '%s' applied\n", new_comment); |
|
else |
|
printf("Comment removed\n"); |
|
|
exit(0); |
exit(0); |
} |
} |
|
|
|
|
|
|
/* Signer for sshkey_certify_custom that uses the agent */ |
/* Signer for sshkey_certify_custom that uses the agent */ |
static int |
static int |
agent_signer(const struct sshkey *key, u_char **sigp, size_t *lenp, |
agent_signer(struct sshkey *key, u_char **sigp, size_t *lenp, |
const u_char *data, size_t datalen, |
const u_char *data, size_t datalen, |
const char *alg, u_int compat, void *ctx) |
const char *alg, u_int compat, void *ctx) |
{ |
{ |
|
|
} |
} |
|
|
static void |
static void |
do_ca_sign(struct passwd *pw, int argc, char **argv) |
do_ca_sign(struct passwd *pw, const char *ca_key_path, int prefer_agent, |
|
unsigned long long cert_serial, int cert_serial_autoinc, |
|
int argc, char **argv) |
{ |
{ |
int r, i, fd, found, agent_fd = -1; |
int r, i, fd, found, agent_fd = -1; |
u_int n; |
u_int n; |
|
|
|
|
sshkey_free(public); |
sshkey_free(public); |
free(out); |
free(out); |
|
if (cert_serial_autoinc) |
|
cert_serial++; |
} |
} |
#ifdef ENABLE_PKCS11 |
#ifdef ENABLE_PKCS11 |
pkcs11_terminate(); |
pkcs11_terminate(); |
|
|
printf(" Type: %s %s certificate\n", sshkey_ssh_name(key), |
printf(" Type: %s %s certificate\n", sshkey_ssh_name(key), |
sshkey_cert_type(key)); |
sshkey_cert_type(key)); |
printf(" Public key: %s %s\n", sshkey_type(key), key_fp); |
printf(" Public key: %s %s\n", sshkey_type(key), key_fp); |
printf(" Signing CA: %s %s\n", |
printf(" Signing CA: %s %s (using %s)\n", |
sshkey_type(key->cert->signature_key), ca_fp); |
sshkey_type(key->cert->signature_key), ca_fp, |
|
key->cert->signature_type); |
printf(" Key ID: \"%s\"\n", key->cert->key_id); |
printf(" Key ID: \"%s\"\n", key->cert->key_id); |
printf(" Serial: %llu\n", (unsigned long long)key->cert->serial); |
printf(" Serial: %llu\n", (unsigned long long)key->cert->serial); |
printf(" Valid: %s\n", valid); |
printf(" Valid: %s\n", valid); |
|
|
|
|
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 (strcmp(identity_file, "-") != 0 && stat(identity_file, &st) < 0) |
if (strcmp(identity_file, "-") != 0 && stat(identity_file, &st) == -1) |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
|
|
path = identity_file; |
path = identity_file; |
|
|
} |
} |
|
|
static void |
static void |
do_gen_krl(struct passwd *pw, int updating, int argc, char **argv) |
do_gen_krl(struct passwd *pw, int updating, const char *ca_key_path, |
|
unsigned long long krl_version, const char *krl_comment, |
|
int argc, char **argv) |
{ |
{ |
struct ssh_krl *krl; |
struct ssh_krl *krl; |
struct stat sb; |
struct stat sb; |
|
|
else if ((krl = ssh_krl_init()) == NULL) |
else if ((krl = ssh_krl_init()) == NULL) |
fatal("couldn't create KRL"); |
fatal("couldn't create KRL"); |
|
|
if (cert_serial != 0) |
if (krl_version != 0) |
ssh_krl_set_version(krl, cert_serial); |
ssh_krl_set_version(krl, krl_version); |
if (identity_comment != NULL) |
if (krl_comment != NULL) |
ssh_krl_set_comment(krl, identity_comment); |
ssh_krl_set_comment(krl, krl_comment); |
|
|
for (i = 0; i < argc; i++) |
for (i = 0; i < argc; i++) |
update_krl_from_file(pw, argv[i], wild_ca, ca, krl); |
update_krl_from_file(pw, argv[i], wild_ca, ca, krl); |
|
|
usage(void) |
usage(void) |
{ |
{ |
fprintf(stderr, |
fprintf(stderr, |
"usage: ssh-keygen [-q] [-b bits] [-t dsa | ecdsa | ed25519 | rsa]\n" |
"usage: ssh-keygen [-q] [-b bits] [-t dsa | ecdsa | ed25519 | rsa] [-m format]\n" |
" [-N new_passphrase] [-C comment] [-f output_keyfile]\n" |
" [-N new_passphrase] [-C comment] [-f output_keyfile]\n" |
" ssh-keygen -p [-P old_passphrase] [-N new_passphrase] [-f keyfile]\n" |
" ssh-keygen -p [-P old_passphrase] [-N new_passphrase] [-m format]\n" |
|
" [-f keyfile]\n" |
" ssh-keygen -i [-m key_format] [-f input_keyfile]\n" |
" ssh-keygen -i [-m key_format] [-f input_keyfile]\n" |
" ssh-keygen -e [-m key_format] [-f input_keyfile]\n" |
" ssh-keygen -e [-m key_format] [-f input_keyfile]\n" |
" ssh-keygen -y [-f input_keyfile]\n" |
" ssh-keygen -y [-f input_keyfile]\n" |
|
|
struct passwd *pw; |
struct passwd *pw; |
struct stat st; |
struct stat st; |
int r, opt, type, fd; |
int r, opt, type, fd; |
|
int change_passphrase = 0, change_comment = 0, show_cert = 0; |
|
int find_host = 0, delete_host = 0, hash_hosts = 0; |
int gen_all_hostkeys = 0, gen_krl = 0, update_krl = 0, check_krl = 0; |
int gen_all_hostkeys = 0, gen_krl = 0, update_krl = 0, check_krl = 0; |
|
int prefer_agent = 0, convert_to = 0, convert_from = 0; |
|
int print_public = 0, print_generic = 0, cert_serial_autoinc = 0; |
|
unsigned long long cert_serial = 0; |
|
char *identity_comment = NULL, *ca_key_path = NULL; |
|
u_int bits = 0; |
FILE *f; |
FILE *f; |
const char *errstr; |
const char *errstr; |
|
int log_level = SYSLOG_LEVEL_INFO; |
#ifdef WITH_OPENSSL |
#ifdef WITH_OPENSSL |
/* Moduli generation/screening */ |
/* Moduli generation/screening */ |
char out_file[PATH_MAX], *checkpoint = NULL; |
char out_file[PATH_MAX], *checkpoint = NULL; |
|
|
extern int optind; |
extern int optind; |
extern char *optarg; |
extern char *optarg; |
|
|
ssh_malloc_init(); /* must be called before any mallocs */ |
|
/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
sanitise_stdfd(); |
sanitise_stdfd(); |
|
|
|
|
pw = getpwuid(getuid()); |
pw = getpwuid(getuid()); |
if (!pw) |
if (!pw) |
fatal("No user exists for uid %lu", (u_long)getuid()); |
fatal("No user exists for uid %lu", (u_long)getuid()); |
if (gethostname(hostname, sizeof(hostname)) < 0) |
if (gethostname(hostname, sizeof(hostname)) == -1) |
fatal("gethostname: %s", strerror(errno)); |
fatal("gethostname: %s", strerror(errno)); |
|
|
/* Remaining characters: Ydw */ |
/* Remaining characters: Ydw */ |
|
|
break; |
break; |
case 'z': |
case 'z': |
errno = 0; |
errno = 0; |
|
if (*optarg == '+') { |
|
cert_serial_autoinc = 1; |
|
optarg++; |
|
} |
cert_serial = strtoull(optarg, &ep, 10); |
cert_serial = strtoull(optarg, &ep, 10); |
if (*optarg < '0' || *optarg > '9' || *ep != '\0' || |
if (*optarg < '0' || *optarg > '9' || *ep != '\0' || |
(errno == ERANGE && cert_serial == ULLONG_MAX)) |
(errno == ERANGE && cert_serial == ULLONG_MAX)) |
|
|
} |
} |
#ifdef WITH_OPENSSL |
#ifdef WITH_OPENSSL |
if (gen_krl) { |
if (gen_krl) { |
do_gen_krl(pw, update_krl, argc, argv); |
do_gen_krl(pw, update_krl, ca_key_path, |
|
cert_serial, identity_comment, argc, argv); |
return (0); |
return (0); |
} |
} |
if (check_krl) { |
if (check_krl) { |
|
|
if (ca_key_path != NULL) { |
if (ca_key_path != NULL) { |
if (cert_key_id == NULL) |
if (cert_key_id == NULL) |
fatal("Must specify key id (-I) when certifying"); |
fatal("Must specify key id (-I) when certifying"); |
do_ca_sign(pw, argc, argv); |
do_ca_sign(pw, ca_key_path, prefer_agent, |
|
cert_serial, cert_serial_autoinc, argc, argv); |
} |
} |
if (show_cert) |
if (show_cert) |
do_show_cert(pw); |
do_show_cert(pw); |
if (delete_host || hash_hosts || find_host) |
if (delete_host || hash_hosts || find_host) { |
do_known_hosts(pw, rr_hostname); |
do_known_hosts(pw, rr_hostname, find_host, |
|
delete_host, hash_hosts); |
|
} |
if (pkcs11provider != NULL) |
if (pkcs11provider != NULL) |
do_download(pw); |
do_download(pw); |
if (print_fingerprint || print_bubblebabble) |
if (print_fingerprint || print_bubblebabble) |
|
|
if (change_passphrase) |
if (change_passphrase) |
do_change_passphrase(pw); |
do_change_passphrase(pw); |
if (change_comment) |
if (change_comment) |
do_change_comment(pw); |
do_change_comment(pw, identity_comment); |
#ifdef WITH_OPENSSL |
#ifdef WITH_OPENSSL |
if (convert_to) |
if (convert_to) |
do_convert_to(pw); |
do_convert_to(pw); |
|
|
unsigned int n = 0; |
unsigned int n = 0; |
|
|
if (have_identity) { |
if (have_identity) { |
n = do_print_resource_record(pw, |
n = do_print_resource_record(pw, identity_file, |
identity_file, rr_hostname); |
rr_hostname, print_generic); |
if (n == 0) |
if (n == 0) |
fatal("%s: %s", identity_file, strerror(errno)); |
fatal("%s: %s", identity_file, strerror(errno)); |
exit(0); |
exit(0); |
} else { |
} else { |
|
|
n += do_print_resource_record(pw, |
n += do_print_resource_record(pw, |
_PATH_HOST_RSA_KEY_FILE, rr_hostname); |
_PATH_HOST_RSA_KEY_FILE, rr_hostname, |
|
print_generic); |
n += do_print_resource_record(pw, |
n += do_print_resource_record(pw, |
_PATH_HOST_DSA_KEY_FILE, rr_hostname); |
_PATH_HOST_DSA_KEY_FILE, rr_hostname, |
|
print_generic); |
n += do_print_resource_record(pw, |
n += do_print_resource_record(pw, |
_PATH_HOST_ECDSA_KEY_FILE, rr_hostname); |
_PATH_HOST_ECDSA_KEY_FILE, rr_hostname, |
|
print_generic); |
n += do_print_resource_record(pw, |
n += do_print_resource_record(pw, |
_PATH_HOST_ED25519_KEY_FILE, rr_hostname); |
_PATH_HOST_ED25519_KEY_FILE, rr_hostname, |
|
print_generic); |
n += do_print_resource_record(pw, |
n += do_print_resource_record(pw, |
_PATH_HOST_XMSS_KEY_FILE, rr_hostname); |
_PATH_HOST_XMSS_KEY_FILE, rr_hostname, |
|
print_generic); |
if (n == 0) |
if (n == 0) |
fatal("no keys found."); |
fatal("no keys found."); |
exit(0); |
exit(0); |
|
|
snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", |
snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", |
pw->pw_dir, _PATH_SSH_USER_DIR); |
pw->pw_dir, _PATH_SSH_USER_DIR); |
if (strstr(identity_file, dotsshdir) != NULL) { |
if (strstr(identity_file, dotsshdir) != NULL) { |
if (stat(dotsshdir, &st) < 0) { |
if (stat(dotsshdir, &st) == -1) { |
if (errno != ENOENT) { |
if (errno != ENOENT) { |
error("Could not stat %s: %s", dotsshdir, |
error("Could not stat %s: %s", dotsshdir, |
strerror(errno)); |
strerror(errno)); |
} else if (mkdir(dotsshdir, 0700) < 0) { |
} else if (mkdir(dotsshdir, 0700) == -1) { |
error("Could not create directory '%s': %s", |
error("Could not create directory '%s': %s", |
dotsshdir, strerror(errno)); |
dotsshdir, strerror(errno)); |
} else if (!quiet) |
} else if (!quiet) |