version 1.247, 2014/06/24 01:13:21 |
version 1.272, 2015/05/21 12:01:19 |
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#include <sys/types.h> |
#include <sys/types.h> |
#include <sys/socket.h> |
#include <sys/socket.h> |
#include <sys/stat.h> |
#include <sys/stat.h> |
#include <sys/param.h> |
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#include <openssl/evp.h> |
#include <openssl/evp.h> |
#include <openssl/pem.h> |
#include <openssl/pem.h> |
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#include <errno.h> |
#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
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#include <netdb.h> |
#include <pwd.h> |
#include <pwd.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <unistd.h> |
#include <unistd.h> |
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#include <limits.h> |
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#include "xmalloc.h" |
#include "xmalloc.h" |
#include "key.h" |
#include "sshkey.h" |
#include "rsa.h" |
#include "rsa.h" |
#include "authfile.h" |
#include "authfile.h" |
#include "uuencode.h" |
#include "uuencode.h" |
#include "buffer.h" |
#include "sshbuf.h" |
#include "pathnames.h" |
#include "pathnames.h" |
#include "log.h" |
#include "log.h" |
#include "misc.h" |
#include "misc.h" |
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#include "dns.h" |
#include "dns.h" |
#include "ssh.h" |
#include "ssh.h" |
#include "ssh2.h" |
#include "ssh2.h" |
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#include "ssherr.h" |
#include "atomicio.h" |
#include "atomicio.h" |
#include "krl.h" |
#include "krl.h" |
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#include "digest.h" |
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#ifdef ENABLE_PKCS11 |
#ifdef ENABLE_PKCS11 |
#include "ssh-pkcs11.h" |
#include "ssh-pkcs11.h" |
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int print_fingerprint = 0; |
int print_fingerprint = 0; |
int print_bubblebabble = 0; |
int print_bubblebabble = 0; |
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/* Hash algorithm to use for fingerprints. */ |
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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]; |
char identity_file[1024]; |
int have_identity = 0; |
int have_identity = 0; |
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/* argv0 */ |
/* argv0 */ |
extern char *__progname; |
extern char *__progname; |
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char hostname[MAXHOSTNAMELEN]; |
char hostname[NI_MAXHOST]; |
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/* moduli.c */ |
/* moduli.c */ |
int gen_candidates(FILE *, u_int32_t, u_int32_t, BIGNUM *); |
int gen_candidates(FILE *, u_int32_t, u_int32_t, BIGNUM *); |
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unsigned long); |
unsigned long); |
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static void |
static void |
type_bits_valid(int type, u_int32_t *bitsp) |
type_bits_valid(int type, const char *name, u_int32_t *bitsp) |
{ |
{ |
u_int maxbits; |
#ifdef WITH_OPENSSL |
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u_int maxbits, nid; |
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#endif |
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if (type == KEY_UNSPEC) { |
if (type == KEY_UNSPEC) |
fprintf(stderr, "unknown key type %s\n", key_type_name); |
fatal("unknown key type %s", key_type_name); |
exit(1); |
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} |
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if (*bitsp == 0) { |
if (*bitsp == 0) { |
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#ifdef WITH_OPENSSL |
if (type == KEY_DSA) |
if (type == KEY_DSA) |
*bitsp = DEFAULT_BITS_DSA; |
*bitsp = DEFAULT_BITS_DSA; |
else if (type == KEY_ECDSA) |
else if (type == KEY_ECDSA) { |
*bitsp = DEFAULT_BITS_ECDSA; |
if (name != NULL && |
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(nid = sshkey_ecdsa_nid_from_name(name)) > 0) |
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*bitsp = sshkey_curve_nid_to_bits(nid); |
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if (*bitsp == 0) |
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*bitsp = DEFAULT_BITS_ECDSA; |
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} |
else |
else |
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#endif |
*bitsp = DEFAULT_BITS; |
*bitsp = DEFAULT_BITS; |
} |
} |
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#ifdef WITH_OPENSSL |
maxbits = (type == KEY_DSA) ? |
maxbits = (type == KEY_DSA) ? |
OPENSSL_DSA_MAX_MODULUS_BITS : OPENSSL_RSA_MAX_MODULUS_BITS; |
OPENSSL_DSA_MAX_MODULUS_BITS : OPENSSL_RSA_MAX_MODULUS_BITS; |
if (*bitsp > maxbits) { |
if (*bitsp > maxbits) |
fprintf(stderr, "key bits exceeds maximum %d\n", maxbits); |
fatal("key bits exceeds maximum %d", maxbits); |
exit(1); |
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} |
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#ifdef WITH_OPENSSL |
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if (type == KEY_DSA && *bitsp != 1024) |
if (type == KEY_DSA && *bitsp != 1024) |
fatal("DSA keys must be 1024 bits"); |
fatal("DSA keys must be 1024 bits"); |
else if (type != KEY_ECDSA && type != KEY_ED25519 && *bitsp < 768) |
else if (type != KEY_ECDSA && type != KEY_ED25519 && *bitsp < 768) |
fatal("Key must at least be 768 bits"); |
fatal("Key must at least be 768 bits"); |
else if (type == KEY_ECDSA && key_ecdsa_bits_to_nid(*bitsp) == -1) |
else if (type == KEY_ECDSA && sshkey_ecdsa_bits_to_nid(*bitsp) == -1) |
fatal("Invalid ECDSA key length - valid lengths are " |
fatal("Invalid ECDSA key length - valid lengths are " |
"256, 384 or 521 bits"); |
"256, 384 or 521 bits"); |
#endif |
#endif |
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if (key_type_name == NULL) |
if (key_type_name == NULL) |
name = _PATH_SSH_CLIENT_ID_RSA; |
name = _PATH_SSH_CLIENT_ID_RSA; |
else { |
else { |
switch (key_type_from_name(key_type_name)) { |
switch (sshkey_type_from_name(key_type_name)) { |
case KEY_RSA1: |
case KEY_RSA1: |
name = _PATH_SSH_CLIENT_IDENTITY; |
name = _PATH_SSH_CLIENT_IDENTITY; |
break; |
break; |
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name = _PATH_SSH_CLIENT_ID_ED25519; |
name = _PATH_SSH_CLIENT_ID_ED25519; |
break; |
break; |
default: |
default: |
fprintf(stderr, "bad key type\n"); |
fatal("bad key type"); |
exit(1); |
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break; |
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} |
} |
} |
} |
snprintf(identity_file, sizeof(identity_file), "%s/%s", pw->pw_dir, name); |
snprintf(identity_file, sizeof(identity_file), |
fprintf(stderr, "%s (%s): ", prompt, identity_file); |
"%s/%s", pw->pw_dir, name); |
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printf("%s (%s): ", prompt, identity_file); |
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fflush(stdout); |
if (fgets(buf, sizeof(buf), stdin) == NULL) |
if (fgets(buf, sizeof(buf), stdin) == NULL) |
exit(1); |
exit(1); |
buf[strcspn(buf, "\n")] = '\0'; |
buf[strcspn(buf, "\n")] = '\0'; |
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have_identity = 1; |
have_identity = 1; |
} |
} |
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static Key * |
static struct sshkey * |
load_identity(char *filename) |
load_identity(char *filename) |
{ |
{ |
char *pass; |
char *pass; |
Key *prv; |
struct sshkey *prv; |
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int r; |
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prv = key_load_private(filename, "", NULL); |
if ((r = sshkey_load_private(filename, "", &prv, NULL)) == 0) |
if (prv == NULL) { |
return prv; |
if (identity_passphrase) |
if (r != SSH_ERR_KEY_WRONG_PASSPHRASE) |
pass = xstrdup(identity_passphrase); |
fatal("Load key \"%s\": %s", filename, ssh_err(r)); |
else |
if (identity_passphrase) |
pass = read_passphrase("Enter passphrase: ", |
pass = xstrdup(identity_passphrase); |
RP_ALLOW_STDIN); |
else |
prv = key_load_private(filename, pass, NULL); |
pass = read_passphrase("Enter passphrase: ", RP_ALLOW_STDIN); |
explicit_bzero(pass, strlen(pass)); |
r = sshkey_load_private(filename, pass, &prv, NULL); |
free(pass); |
explicit_bzero(pass, strlen(pass)); |
} |
free(pass); |
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if (r != 0) |
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fatal("Load key \"%s\": %s", filename, ssh_err(r)); |
return prv; |
return prv; |
} |
} |
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#ifdef WITH_OPENSSL |
#ifdef WITH_OPENSSL |
static void |
static void |
do_convert_to_ssh2(struct passwd *pw, Key *k) |
do_convert_to_ssh2(struct passwd *pw, struct sshkey *k) |
{ |
{ |
u_int len; |
size_t len; |
u_char *blob; |
u_char *blob; |
char comment[61]; |
char comment[61]; |
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int r; |
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if (k->type == KEY_RSA1) { |
if (k->type == KEY_RSA1) |
fprintf(stderr, "version 1 keys are not supported\n"); |
fatal("version 1 keys are not supported"); |
exit(1); |
if ((r = sshkey_to_blob(k, &blob, &len)) != 0) |
} |
fatal("key_to_blob failed: %s", ssh_err(r)); |
if (key_to_blob(k, &blob, &len) <= 0) { |
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fprintf(stderr, "key_to_blob failed\n"); |
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exit(1); |
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} |
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/* Comment + surrounds must fit into 72 chars (RFC 4716 sec 3.3) */ |
/* Comment + surrounds must fit into 72 chars (RFC 4716 sec 3.3) */ |
snprintf(comment, sizeof(comment), |
snprintf(comment, sizeof(comment), |
"%u-bit %s, converted by %s@%s from OpenSSH", |
"%u-bit %s, converted by %s@%s from OpenSSH", |
key_size(k), key_type(k), |
sshkey_size(k), sshkey_type(k), |
pw->pw_name, hostname); |
pw->pw_name, hostname); |
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fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN); |
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN); |
fprintf(stdout, "Comment: \"%s\"\n", comment); |
fprintf(stdout, "Comment: \"%s\"\n", comment); |
dump_base64(stdout, blob, len); |
dump_base64(stdout, blob, len); |
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_END); |
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_END); |
key_free(k); |
sshkey_free(k); |
free(blob); |
free(blob); |
exit(0); |
exit(0); |
} |
} |
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static void |
static void |
do_convert_to_pkcs8(Key *k) |
do_convert_to_pkcs8(struct sshkey *k) |
{ |
{ |
switch (key_type_plain(k->type)) { |
switch (sshkey_type_plain(k->type)) { |
case KEY_RSA1: |
case KEY_RSA1: |
case KEY_RSA: |
case KEY_RSA: |
if (!PEM_write_RSA_PUBKEY(stdout, k->rsa)) |
if (!PEM_write_RSA_PUBKEY(stdout, k->rsa)) |
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fatal("PEM_write_EC_PUBKEY failed"); |
fatal("PEM_write_EC_PUBKEY failed"); |
break; |
break; |
default: |
default: |
fatal("%s: unsupported key type %s", __func__, key_type(k)); |
fatal("%s: unsupported key type %s", __func__, sshkey_type(k)); |
} |
} |
exit(0); |
exit(0); |
} |
} |
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static void |
static void |
do_convert_to_pem(Key *k) |
do_convert_to_pem(struct sshkey *k) |
{ |
{ |
switch (key_type_plain(k->type)) { |
switch (sshkey_type_plain(k->type)) { |
case KEY_RSA1: |
case KEY_RSA1: |
case KEY_RSA: |
case KEY_RSA: |
if (!PEM_write_RSAPublicKey(stdout, k->rsa)) |
if (!PEM_write_RSAPublicKey(stdout, k->rsa)) |
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#endif |
#endif |
/* XXX ECDSA? */ |
/* XXX ECDSA? */ |
default: |
default: |
fatal("%s: unsupported key type %s", __func__, key_type(k)); |
fatal("%s: unsupported key type %s", __func__, sshkey_type(k)); |
} |
} |
exit(0); |
exit(0); |
} |
} |
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static void |
static void |
do_convert_to(struct passwd *pw) |
do_convert_to(struct passwd *pw) |
{ |
{ |
Key *k; |
struct sshkey *k; |
struct stat st; |
struct stat st; |
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int r; |
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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) |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
if ((k = key_load_public(identity_file, NULL)) == NULL) { |
if ((r = sshkey_load_public(identity_file, &k, NULL)) != 0) |
if ((k = load_identity(identity_file)) == NULL) { |
k = load_identity(identity_file); |
fprintf(stderr, "load failed\n"); |
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exit(1); |
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} |
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} |
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switch (convert_format) { |
switch (convert_format) { |
case FMT_RFC4716: |
case FMT_RFC4716: |
do_convert_to_ssh2(pw, k); |
do_convert_to_ssh2(pw, k); |
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exit(0); |
exit(0); |
} |
} |
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/* |
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* This is almost exactly the bignum1 encoding, but with 32 bit for length |
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* instead of 16. |
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*/ |
static void |
static void |
buffer_get_bignum_bits(Buffer *b, BIGNUM *value) |
buffer_get_bignum_bits(struct sshbuf *b, BIGNUM *value) |
{ |
{ |
u_int bignum_bits = buffer_get_int(b); |
u_int bytes, bignum_bits; |
u_int bytes = (bignum_bits + 7) / 8; |
int r; |
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if (buffer_len(b) < bytes) |
if ((r = sshbuf_get_u32(b, &bignum_bits)) != 0) |
fatal("buffer_get_bignum_bits: input buffer too small: " |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
"need %d have %d", bytes, buffer_len(b)); |
bytes = (bignum_bits + 7) / 8; |
if (BN_bin2bn(buffer_ptr(b), bytes, value) == NULL) |
if (sshbuf_len(b) < bytes) |
fatal("buffer_get_bignum_bits: BN_bin2bn failed"); |
fatal("%s: input buffer too small: need %d have %zu", |
buffer_consume(b, bytes); |
__func__, bytes, sshbuf_len(b)); |
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if (BN_bin2bn(sshbuf_ptr(b), bytes, value) == NULL) |
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fatal("%s: BN_bin2bn failed", __func__); |
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if ((r = sshbuf_consume(b, bytes)) != 0) |
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fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
} |
} |
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static Key * |
static struct sshkey * |
do_convert_private_ssh2_from_blob(u_char *blob, u_int blen) |
do_convert_private_ssh2_from_blob(u_char *blob, u_int blen) |
{ |
{ |
Buffer b; |
struct sshbuf *b; |
Key *key = NULL; |
struct sshkey *key = NULL; |
char *type, *cipher; |
char *type, *cipher; |
u_char *sig = NULL, data[] = "abcde12345"; |
u_char e1, e2, e3, *sig = NULL, data[] = "abcde12345"; |
int magic, rlen, ktype, i1, i2, i3, i4; |
int r, rlen, ktype; |
u_int slen; |
u_int magic, i1, i2, i3, i4; |
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size_t slen; |
u_long e; |
u_long e; |
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buffer_init(&b); |
if ((b = sshbuf_from(blob, blen)) == NULL) |
buffer_append(&b, blob, blen); |
fatal("%s: sshbuf_from failed", __func__); |
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if ((r = sshbuf_get_u32(b, &magic)) != 0) |
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fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
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magic = buffer_get_int(&b); |
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if (magic != SSH_COM_PRIVATE_KEY_MAGIC) { |
if (magic != SSH_COM_PRIVATE_KEY_MAGIC) { |
error("bad magic 0x%x != 0x%x", magic, SSH_COM_PRIVATE_KEY_MAGIC); |
error("bad magic 0x%x != 0x%x", magic, |
buffer_free(&b); |
SSH_COM_PRIVATE_KEY_MAGIC); |
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sshbuf_free(b); |
return NULL; |
return NULL; |
} |
} |
i1 = buffer_get_int(&b); |
if ((r = sshbuf_get_u32(b, &i1)) != 0 || |
type = buffer_get_string(&b, NULL); |
(r = sshbuf_get_cstring(b, &type, NULL)) != 0 || |
cipher = buffer_get_string(&b, NULL); |
(r = sshbuf_get_cstring(b, &cipher, NULL)) != 0 || |
i2 = buffer_get_int(&b); |
(r = sshbuf_get_u32(b, &i2)) != 0 || |
i3 = buffer_get_int(&b); |
(r = sshbuf_get_u32(b, &i3)) != 0 || |
i4 = buffer_get_int(&b); |
(r = sshbuf_get_u32(b, &i4)) != 0) |
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fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
debug("ignore (%d %d %d %d)", i1, i2, i3, i4); |
debug("ignore (%d %d %d %d)", i1, i2, i3, i4); |
if (strcmp(cipher, "none") != 0) { |
if (strcmp(cipher, "none") != 0) { |
error("unsupported cipher %s", cipher); |
error("unsupported cipher %s", cipher); |
free(cipher); |
free(cipher); |
buffer_free(&b); |
sshbuf_free(b); |
free(type); |
free(type); |
return NULL; |
return NULL; |
} |
} |
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} else if (strstr(type, "rsa")) { |
} else if (strstr(type, "rsa")) { |
ktype = KEY_RSA; |
ktype = KEY_RSA; |
} else { |
} else { |
buffer_free(&b); |
sshbuf_free(b); |
free(type); |
free(type); |
return NULL; |
return NULL; |
} |
} |
key = key_new_private(ktype); |
if ((key = sshkey_new_private(ktype)) == NULL) |
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fatal("key_new_private 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); |
buffer_get_bignum_bits(b, key->dsa->p); |
buffer_get_bignum_bits(&b, key->dsa->g); |
buffer_get_bignum_bits(b, key->dsa->g); |
buffer_get_bignum_bits(&b, key->dsa->q); |
buffer_get_bignum_bits(b, key->dsa->q); |
buffer_get_bignum_bits(&b, key->dsa->pub_key); |
buffer_get_bignum_bits(b, key->dsa->pub_key); |
buffer_get_bignum_bits(&b, key->dsa->priv_key); |
buffer_get_bignum_bits(b, key->dsa->priv_key); |
break; |
break; |
case KEY_RSA: |
case KEY_RSA: |
e = buffer_get_char(&b); |
if ((r = sshbuf_get_u8(b, &e1)) != 0 || |
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(e1 < 30 && (r = sshbuf_get_u8(b, &e2)) != 0) || |
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(e1 < 30 && (r = sshbuf_get_u8(b, &e3)) != 0)) |
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fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
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e = e1; |
debug("e %lx", e); |
debug("e %lx", e); |
if (e < 30) { |
if (e < 30) { |
e <<= 8; |
e <<= 8; |
e += buffer_get_char(&b); |
e += e2; |
debug("e %lx", e); |
debug("e %lx", e); |
e <<= 8; |
e <<= 8; |
e += buffer_get_char(&b); |
e += e3; |
debug("e %lx", e); |
debug("e %lx", e); |
} |
} |
if (!BN_set_word(key->rsa->e, e)) { |
if (!BN_set_word(key->rsa->e, e)) { |
buffer_free(&b); |
sshbuf_free(b); |
key_free(key); |
sshkey_free(key); |
return NULL; |
return NULL; |
} |
} |
buffer_get_bignum_bits(&b, key->rsa->d); |
buffer_get_bignum_bits(b, key->rsa->d); |
buffer_get_bignum_bits(&b, key->rsa->n); |
buffer_get_bignum_bits(b, key->rsa->n); |
buffer_get_bignum_bits(&b, key->rsa->iqmp); |
buffer_get_bignum_bits(b, key->rsa->iqmp); |
buffer_get_bignum_bits(&b, key->rsa->q); |
buffer_get_bignum_bits(b, key->rsa->q); |
buffer_get_bignum_bits(&b, key->rsa->p); |
buffer_get_bignum_bits(b, key->rsa->p); |
if (rsa_generate_additional_parameters(key->rsa) != 0) |
if ((r = rsa_generate_additional_parameters(key->rsa)) != 0) |
fatal("%s: rsa_generate_additional_parameters " |
fatal("generate RSA parameters failed: %s", ssh_err(r)); |
"error", __func__); |
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break; |
break; |
} |
} |
rlen = buffer_len(&b); |
rlen = sshbuf_len(b); |
if (rlen != 0) |
if (rlen != 0) |
error("do_convert_private_ssh2_from_blob: " |
error("do_convert_private_ssh2_from_blob: " |
"remaining bytes in key blob %d", rlen); |
"remaining bytes in key blob %d", rlen); |
buffer_free(&b); |
sshbuf_free(b); |
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/* try the key */ |
/* try the key */ |
key_sign(key, &sig, &slen, data, sizeof(data)); |
if (sshkey_sign(key, &sig, &slen, data, sizeof(data), 0) != 0 || |
key_verify(key, sig, slen, data, sizeof(data)); |
sshkey_verify(key, sig, slen, data, sizeof(data), 0) != 0) { |
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sshkey_free(key); |
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free(sig); |
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return NULL; |
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} |
free(sig); |
free(sig); |
return key; |
return key; |
} |
} |
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line[0] = '\0'; |
line[0] = '\0'; |
while ((c = fgetc(fp)) != EOF) { |
while ((c = fgetc(fp)) != EOF) { |
if (pos >= len - 1) { |
if (pos >= len - 1) |
fprintf(stderr, "input line too long.\n"); |
fatal("input line too long."); |
exit(1); |
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} |
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switch (c) { |
switch (c) { |
case '\r': |
case '\r': |
c = fgetc(fp); |
c = fgetc(fp); |
if (c != EOF && c != '\n' && ungetc(c, fp) == EOF) { |
if (c != EOF && c != '\n' && ungetc(c, fp) == EOF) |
fprintf(stderr, "unget: %s\n", strerror(errno)); |
fatal("unget: %s", strerror(errno)); |
exit(1); |
|
} |
|
return pos; |
return pos; |
case '\n': |
case '\n': |
return pos; |
return pos; |
|
|
} |
} |
|
|
static void |
static void |
do_convert_from_ssh2(struct passwd *pw, Key **k, int *private) |
do_convert_from_ssh2(struct passwd *pw, struct sshkey **k, int *private) |
{ |
{ |
int blen; |
int r, blen, escaped = 0; |
u_int len; |
u_int len; |
char line[1024]; |
char line[1024]; |
u_char blob[8096]; |
u_char blob[8096]; |
char encoded[8096]; |
char encoded[8096]; |
int escaped = 0; |
|
FILE *fp; |
FILE *fp; |
|
|
if ((fp = fopen(identity_file, "r")) == NULL) |
if ((fp = fopen(identity_file, "r")) == NULL) |
|
|
(encoded[len-3] == '=')) |
(encoded[len-3] == '=')) |
encoded[len-3] = '\0'; |
encoded[len-3] = '\0'; |
blen = uudecode(encoded, blob, sizeof(blob)); |
blen = uudecode(encoded, blob, sizeof(blob)); |
if (blen < 0) { |
if (blen < 0) |
fprintf(stderr, "uudecode failed.\n"); |
fatal("uudecode failed."); |
exit(1); |
if (*private) |
} |
*k = do_convert_private_ssh2_from_blob(blob, blen); |
*k = *private ? |
else if ((r = sshkey_from_blob(blob, blen, k)) != 0) |
do_convert_private_ssh2_from_blob(blob, blen) : |
fatal("decode blob failed: %s", ssh_err(r)); |
key_from_blob(blob, blen); |
|
if (*k == NULL) { |
|
fprintf(stderr, "decode blob failed.\n"); |
|
exit(1); |
|
} |
|
fclose(fp); |
fclose(fp); |
} |
} |
|
|
static void |
static void |
do_convert_from_pkcs8(Key **k, int *private) |
do_convert_from_pkcs8(struct sshkey **k, int *private) |
{ |
{ |
EVP_PKEY *pubkey; |
EVP_PKEY *pubkey; |
FILE *fp; |
FILE *fp; |
|
|
fclose(fp); |
fclose(fp); |
switch (EVP_PKEY_type(pubkey->type)) { |
switch (EVP_PKEY_type(pubkey->type)) { |
case EVP_PKEY_RSA: |
case EVP_PKEY_RSA: |
*k = key_new(KEY_UNSPEC); |
if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
|
fatal("sshkey_new failed"); |
(*k)->type = KEY_RSA; |
(*k)->type = KEY_RSA; |
(*k)->rsa = EVP_PKEY_get1_RSA(pubkey); |
(*k)->rsa = EVP_PKEY_get1_RSA(pubkey); |
break; |
break; |
case EVP_PKEY_DSA: |
case EVP_PKEY_DSA: |
*k = key_new(KEY_UNSPEC); |
if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
|
fatal("sshkey_new failed"); |
(*k)->type = KEY_DSA; |
(*k)->type = KEY_DSA; |
(*k)->dsa = EVP_PKEY_get1_DSA(pubkey); |
(*k)->dsa = EVP_PKEY_get1_DSA(pubkey); |
break; |
break; |
case EVP_PKEY_EC: |
case EVP_PKEY_EC: |
*k = key_new(KEY_UNSPEC); |
if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
|
fatal("sshkey_new failed"); |
(*k)->type = KEY_ECDSA; |
(*k)->type = KEY_ECDSA; |
(*k)->ecdsa = EVP_PKEY_get1_EC_KEY(pubkey); |
(*k)->ecdsa = EVP_PKEY_get1_EC_KEY(pubkey); |
(*k)->ecdsa_nid = key_ecdsa_key_to_nid((*k)->ecdsa); |
(*k)->ecdsa_nid = sshkey_ecdsa_key_to_nid((*k)->ecdsa); |
break; |
break; |
default: |
default: |
fatal("%s: unsupported pubkey type %d", __func__, |
fatal("%s: unsupported pubkey type %d", __func__, |
|
|
} |
} |
|
|
static void |
static void |
do_convert_from_pem(Key **k, int *private) |
do_convert_from_pem(struct sshkey **k, int *private) |
{ |
{ |
FILE *fp; |
FILE *fp; |
RSA *rsa; |
RSA *rsa; |
|
|
if ((fp = fopen(identity_file, "r")) == NULL) |
if ((fp = fopen(identity_file, "r")) == NULL) |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
if ((rsa = PEM_read_RSAPublicKey(fp, NULL, NULL, NULL)) != NULL) { |
if ((rsa = PEM_read_RSAPublicKey(fp, NULL, NULL, NULL)) != NULL) { |
*k = key_new(KEY_UNSPEC); |
if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
|
fatal("sshkey_new failed"); |
(*k)->type = KEY_RSA; |
(*k)->type = KEY_RSA; |
(*k)->rsa = rsa; |
(*k)->rsa = rsa; |
fclose(fp); |
fclose(fp); |
|
|
#if notyet /* OpenSSH 0.9.8 lacks this function */ |
#if notyet /* OpenSSH 0.9.8 lacks this function */ |
rewind(fp); |
rewind(fp); |
if ((dsa = PEM_read_DSAPublicKey(fp, NULL, NULL, NULL)) != NULL) { |
if ((dsa = PEM_read_DSAPublicKey(fp, NULL, NULL, NULL)) != NULL) { |
*k = key_new(KEY_UNSPEC); |
if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) |
|
fatal("sshkey_new failed"); |
(*k)->type = KEY_DSA; |
(*k)->type = KEY_DSA; |
(*k)->dsa = dsa; |
(*k)->dsa = dsa; |
fclose(fp); |
fclose(fp); |
|
|
static void |
static void |
do_convert_from(struct passwd *pw) |
do_convert_from(struct passwd *pw) |
{ |
{ |
Key *k = NULL; |
struct sshkey *k = NULL; |
int private = 0, ok = 0; |
int r, private = 0, ok = 0; |
struct stat st; |
struct stat st; |
|
|
if (!have_identity) |
if (!have_identity) |
|
|
fatal("%s: unknown key format %d", __func__, convert_format); |
fatal("%s: unknown key format %d", __func__, convert_format); |
} |
} |
|
|
if (!private) |
if (!private) { |
ok = key_write(k, stdout); |
if ((r = sshkey_write(k, stdout)) == 0) |
|
ok = 1; |
if (ok) |
if (ok) |
fprintf(stdout, "\n"); |
fprintf(stdout, "\n"); |
else { |
} else { |
switch (k->type) { |
switch (k->type) { |
case KEY_DSA: |
case KEY_DSA: |
ok = PEM_write_DSAPrivateKey(stdout, k->dsa, NULL, |
ok = PEM_write_DSAPrivateKey(stdout, k->dsa, NULL, |
|
|
break; |
break; |
default: |
default: |
fatal("%s: unsupported key type %s", __func__, |
fatal("%s: unsupported key type %s", __func__, |
key_type(k)); |
sshkey_type(k)); |
} |
} |
} |
} |
|
|
if (!ok) { |
if (!ok) |
fprintf(stderr, "key write failed\n"); |
fatal("key write failed"); |
exit(1); |
sshkey_free(k); |
} |
|
key_free(k); |
|
exit(0); |
exit(0); |
} |
} |
#endif |
#endif |
|
|
static void |
static void |
do_print_public(struct passwd *pw) |
do_print_public(struct passwd *pw) |
{ |
{ |
Key *prv; |
struct sshkey *prv; |
struct stat st; |
struct stat st; |
|
int r; |
|
|
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", identity_file, strerror(errno)); |
exit(1); |
|
} |
|
prv = load_identity(identity_file); |
prv = load_identity(identity_file); |
if (prv == NULL) { |
if ((r = sshkey_write(prv, stdout)) != 0) |
fprintf(stderr, "load failed\n"); |
error("key_write failed: %s", ssh_err(r)); |
exit(1); |
sshkey_free(prv); |
} |
|
if (!key_write(prv, stdout)) |
|
fprintf(stderr, "key_write failed"); |
|
key_free(prv); |
|
fprintf(stdout, "\n"); |
fprintf(stdout, "\n"); |
exit(0); |
exit(0); |
} |
} |
|
|
do_download(struct passwd *pw) |
do_download(struct passwd *pw) |
{ |
{ |
#ifdef ENABLE_PKCS11 |
#ifdef ENABLE_PKCS11 |
Key **keys = NULL; |
struct sshkey **keys = NULL; |
int i, nkeys; |
int i, nkeys; |
enum fp_rep rep; |
enum sshkey_fp_rep rep; |
enum fp_type fptype; |
int fptype; |
char *fp, *ra; |
char *fp, *ra; |
|
|
fptype = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5; |
fptype = print_bubblebabble ? SSH_DIGEST_SHA1 : fingerprint_hash; |
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX; |
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
|
|
pkcs11_init(0); |
pkcs11_init(0); |
nkeys = pkcs11_add_provider(pkcs11provider, NULL, &keys); |
nkeys = pkcs11_add_provider(pkcs11provider, NULL, &keys); |
|
|
fatal("cannot read public key from pkcs11"); |
fatal("cannot read public key from pkcs11"); |
for (i = 0; i < nkeys; i++) { |
for (i = 0; i < nkeys; i++) { |
if (print_fingerprint) { |
if (print_fingerprint) { |
fp = key_fingerprint(keys[i], fptype, rep); |
fp = sshkey_fingerprint(keys[i], fptype, rep); |
ra = key_fingerprint(keys[i], SSH_FP_MD5, |
ra = sshkey_fingerprint(keys[i], fingerprint_hash, |
SSH_FP_RANDOMART); |
SSH_FP_RANDOMART); |
printf("%u %s %s (PKCS11 key)\n", key_size(keys[i]), |
if (fp == NULL || ra == NULL) |
fp, key_type(keys[i])); |
fatal("%s: sshkey_fingerprint fail", __func__); |
|
printf("%u %s %s (PKCS11 key)\n", sshkey_size(keys[i]), |
|
fp, sshkey_type(keys[i])); |
if (log_level >= SYSLOG_LEVEL_VERBOSE) |
if (log_level >= SYSLOG_LEVEL_VERBOSE) |
printf("%s\n", ra); |
printf("%s\n", ra); |
free(ra); |
free(ra); |
free(fp); |
free(fp); |
} else { |
} else { |
key_write(keys[i], stdout); |
(void) sshkey_write(keys[i], stdout); /* XXX check */ |
fprintf(stdout, "\n"); |
fprintf(stdout, "\n"); |
} |
} |
key_free(keys[i]); |
sshkey_free(keys[i]); |
} |
} |
free(keys); |
free(keys); |
pkcs11_terminate(); |
pkcs11_terminate(); |
|
|
do_fingerprint(struct passwd *pw) |
do_fingerprint(struct passwd *pw) |
{ |
{ |
FILE *f; |
FILE *f; |
Key *public; |
struct sshkey *public; |
char *comment = NULL, *cp, *ep, line[16*1024], *fp, *ra; |
char *comment = NULL, *cp, *ep, line[16*1024], *fp, *ra; |
int i, skip = 0, num = 0, invalid = 1; |
int r, i, skip = 0, num = 0, invalid = 1; |
enum fp_rep rep; |
enum sshkey_fp_rep rep; |
enum fp_type fptype; |
int fptype; |
struct stat st; |
struct stat st; |
|
|
fptype = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5; |
fptype = print_bubblebabble ? SSH_DIGEST_SHA1 : fingerprint_hash; |
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX; |
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
|
|
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", identity_file, strerror(errno)); |
exit(1); |
if ((r = sshkey_load_public(identity_file, &public, &comment)) != 0) |
} |
debug2("Error loading public key \"%s\": %s", |
public = key_load_public(identity_file, &comment); |
identity_file, ssh_err(r)); |
if (public != NULL) { |
else { |
fp = key_fingerprint(public, fptype, rep); |
fp = sshkey_fingerprint(public, fptype, rep); |
ra = key_fingerprint(public, SSH_FP_MD5, SSH_FP_RANDOMART); |
ra = sshkey_fingerprint(public, fingerprint_hash, |
printf("%u %s %s (%s)\n", key_size(public), fp, comment, |
SSH_FP_RANDOMART); |
key_type(public)); |
if (fp == NULL || ra == NULL) |
|
fatal("%s: sshkey_fingerprint fail", __func__); |
|
printf("%u %s %s (%s)\n", sshkey_size(public), fp, comment, |
|
sshkey_type(public)); |
if (log_level >= SYSLOG_LEVEL_VERBOSE) |
if (log_level >= SYSLOG_LEVEL_VERBOSE) |
printf("%s\n", ra); |
printf("%s\n", ra); |
key_free(public); |
sshkey_free(public); |
free(comment); |
free(comment); |
free(ra); |
free(ra); |
free(fp); |
free(fp); |
|
|
*cp++ = '\0'; |
*cp++ = '\0'; |
} |
} |
ep = cp; |
ep = cp; |
public = key_new(KEY_RSA1); |
if ((public = sshkey_new(KEY_RSA1)) == NULL) |
if (key_read(public, &cp) != 1) { |
fatal("sshkey_new failed"); |
|
if ((r = sshkey_read(public, &cp)) != 0) { |
cp = ep; |
cp = ep; |
key_free(public); |
sshkey_free(public); |
public = key_new(KEY_UNSPEC); |
if ((public = sshkey_new(KEY_UNSPEC)) == NULL) |
if (key_read(public, &cp) != 1) { |
fatal("sshkey_new failed"); |
key_free(public); |
if ((r = sshkey_read(public, &cp)) != 0) { |
|
sshkey_free(public); |
continue; |
continue; |
} |
} |
} |
} |
comment = *cp ? cp : comment; |
comment = *cp ? cp : comment; |
fp = key_fingerprint(public, fptype, rep); |
fp = sshkey_fingerprint(public, fptype, rep); |
ra = key_fingerprint(public, SSH_FP_MD5, SSH_FP_RANDOMART); |
ra = sshkey_fingerprint(public, fingerprint_hash, |
printf("%u %s %s (%s)\n", key_size(public), fp, |
SSH_FP_RANDOMART); |
comment ? comment : "no comment", key_type(public)); |
if (fp == NULL || ra == NULL) |
|
fatal("%s: sshkey_fingerprint fail", __func__); |
|
printf("%u %s %s (%s)\n", sshkey_size(public), fp, |
|
comment ? comment : "no comment", sshkey_type(public)); |
if (log_level >= SYSLOG_LEVEL_VERBOSE) |
if (log_level >= SYSLOG_LEVEL_VERBOSE) |
printf("%s\n", ra); |
printf("%s\n", ra); |
free(ra); |
free(ra); |
free(fp); |
free(fp); |
key_free(public); |
sshkey_free(public); |
invalid = 0; |
invalid = 0; |
} |
} |
fclose(f); |
fclose(f); |
|
|
if (invalid) { |
if (invalid) |
printf("%s is not a public key file.\n", identity_file); |
fatal("%s is not a public key file.", identity_file); |
exit(1); |
|
} |
|
exit(0); |
exit(0); |
} |
} |
|
|
|
|
char *key_type_display; |
char *key_type_display; |
char *path; |
char *path; |
} key_types[] = { |
} key_types[] = { |
|
#ifdef WITH_OPENSSL |
|
#ifdef WITH_SSH1 |
{ "rsa1", "RSA1", _PATH_HOST_KEY_FILE }, |
{ "rsa1", "RSA1", _PATH_HOST_KEY_FILE }, |
|
#endif /* WITH_SSH1 */ |
{ "rsa", "RSA" ,_PATH_HOST_RSA_KEY_FILE }, |
{ "rsa", "RSA" ,_PATH_HOST_RSA_KEY_FILE }, |
{ "dsa", "DSA", _PATH_HOST_DSA_KEY_FILE }, |
{ "dsa", "DSA", _PATH_HOST_DSA_KEY_FILE }, |
{ "ecdsa", "ECDSA",_PATH_HOST_ECDSA_KEY_FILE }, |
{ "ecdsa", "ECDSA",_PATH_HOST_ECDSA_KEY_FILE }, |
|
#endif /* WITH_OPENSSL */ |
{ "ed25519", "ED25519",_PATH_HOST_ED25519_KEY_FILE }, |
{ "ed25519", "ED25519",_PATH_HOST_ED25519_KEY_FILE }, |
{ NULL, NULL, NULL } |
{ NULL, NULL, NULL } |
}; |
}; |
|
|
int first = 0; |
int first = 0; |
struct stat st; |
struct stat st; |
Key *private, *public; |
struct sshkey *private, *public; |
char comment[1024]; |
char comment[1024]; |
int i, type, fd; |
int i, type, fd, r; |
FILE *f; |
FILE *f; |
|
|
for (i = 0; key_types[i].key_type; i++) { |
for (i = 0; key_types[i].key_type; i++) { |
if (stat(key_types[i].path, &st) == 0) |
if (stat(key_types[i].path, &st) == 0) |
continue; |
continue; |
if (errno != ENOENT) { |
if (errno != ENOENT) { |
printf("Could not stat %s: %s", key_types[i].path, |
error("Could not stat %s: %s", key_types[i].path, |
strerror(errno)); |
strerror(errno)); |
first = 0; |
first = 0; |
continue; |
continue; |
|
|
} |
} |
printf("%s ", key_types[i].key_type_display); |
printf("%s ", key_types[i].key_type_display); |
fflush(stdout); |
fflush(stdout); |
type = key_type_from_name(key_types[i].key_type); |
type = sshkey_type_from_name(key_types[i].key_type); |
strlcpy(identity_file, key_types[i].path, sizeof(identity_file)); |
strlcpy(identity_file, key_types[i].path, sizeof(identity_file)); |
bits = 0; |
bits = 0; |
type_bits_valid(type, &bits); |
type_bits_valid(type, NULL, &bits); |
private = key_generate(type, bits); |
if ((r = sshkey_generate(type, bits, &private)) != 0) { |
if (private == NULL) { |
error("key_generate failed: %s", ssh_err(r)); |
fprintf(stderr, "key_generate failed\n"); |
|
first = 0; |
first = 0; |
continue; |
continue; |
} |
} |
public = key_from_private(private); |
if ((r = sshkey_from_private(private, &public)) != 0) |
|
fatal("sshkey_from_private failed: %s", ssh_err(r)); |
snprintf(comment, sizeof comment, "%s@%s", pw->pw_name, |
snprintf(comment, sizeof comment, "%s@%s", pw->pw_name, |
hostname); |
hostname); |
if (!key_save_private(private, identity_file, "", comment, |
if ((r = sshkey_save_private(private, identity_file, "", |
use_new_format, new_format_cipher, rounds)) { |
comment, use_new_format, new_format_cipher, rounds)) != 0) { |
printf("Saving the key failed: %s.\n", identity_file); |
error("Saving key \"%s\" failed: %s", |
key_free(private); |
identity_file, ssh_err(r)); |
key_free(public); |
sshkey_free(private); |
|
sshkey_free(public); |
first = 0; |
first = 0; |
continue; |
continue; |
} |
} |
key_free(private); |
sshkey_free(private); |
strlcat(identity_file, ".pub", sizeof(identity_file)); |
strlcat(identity_file, ".pub", sizeof(identity_file)); |
fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
if (fd == -1) { |
if (fd == -1) { |
printf("Could not save your public key in %s\n", |
error("Could not save your public key in %s", |
identity_file); |
identity_file); |
key_free(public); |
sshkey_free(public); |
first = 0; |
first = 0; |
continue; |
continue; |
} |
} |
f = fdopen(fd, "w"); |
f = fdopen(fd, "w"); |
if (f == NULL) { |
if (f == NULL) { |
printf("fdopen %s failed\n", identity_file); |
error("fdopen %s failed", identity_file); |
key_free(public); |
close(fd); |
|
sshkey_free(public); |
first = 0; |
first = 0; |
continue; |
continue; |
} |
} |
if (!key_write(public, f)) { |
if ((r = sshkey_write(public, f)) != 0) { |
fprintf(stderr, "write key failed\n"); |
error("write key failed: %s", ssh_err(r)); |
key_free(public); |
fclose(f); |
|
sshkey_free(public); |
first = 0; |
first = 0; |
continue; |
continue; |
} |
} |
fprintf(f, " %s\n", comment); |
fprintf(f, " %s\n", comment); |
fclose(f); |
fclose(f); |
key_free(public); |
sshkey_free(public); |
|
|
} |
} |
if (first != 0) |
if (first != 0) |
printf("\n"); |
printf("\n"); |
} |
} |
|
|
static void |
struct known_hosts_ctx { |
printhost(FILE *f, const char *name, Key *public, int ca, int hash) |
const char *host; /* Hostname searched for in find/delete case */ |
|
FILE *out; /* Output file, stdout for find_hosts case */ |
|
int has_unhashed; /* When hashing, original had unhashed hosts */ |
|
int found_key; /* For find/delete, host was found */ |
|
int invalid; /* File contained invalid items; don't delete */ |
|
}; |
|
|
|
static int |
|
known_hosts_hash(struct hostkey_foreach_line *l, void *_ctx) |
{ |
{ |
if (print_fingerprint) { |
struct known_hosts_ctx *ctx = (struct known_hosts_ctx *)_ctx; |
enum fp_rep rep; |
char *hashed, *cp, *hosts, *ohosts; |
enum fp_type fptype; |
int has_wild = l->hosts && strcspn(l->hosts, "*?!") != strlen(l->hosts); |
char *fp, *ra; |
|
|
|
fptype = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5; |
switch (l->status) { |
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX; |
case HKF_STATUS_OK: |
fp = key_fingerprint(public, fptype, rep); |
case HKF_STATUS_MATCHED: |
ra = key_fingerprint(public, SSH_FP_MD5, SSH_FP_RANDOMART); |
/* |
printf("%u %s %s (%s)\n", key_size(public), fp, name, |
* Don't hash hosts already already hashed, with wildcard |
key_type(public)); |
* characters or a CA/revocation marker. |
if (log_level >= SYSLOG_LEVEL_VERBOSE) |
*/ |
printf("%s\n", ra); |
if ((l->match & HKF_MATCH_HOST_HASHED) != 0 || |
free(ra); |
has_wild || l->marker != MRK_NONE) { |
free(fp); |
fprintf(ctx->out, "%s\n", l->line); |
} else { |
if (has_wild && !find_host) { |
if (hash && (name = host_hash(name, NULL, 0)) == NULL) |
logit("%s:%ld: ignoring host name " |
fatal("hash_host failed"); |
"with wildcard: %.64s", l->path, |
fprintf(f, "%s%s%s ", ca ? CA_MARKER : "", ca ? " " : "", name); |
l->linenum, l->hosts); |
if (!key_write(public, f)) |
} |
fatal("key_write failed"); |
return 0; |
fprintf(f, "\n"); |
} |
|
/* |
|
* Split any comma-separated hostnames from the host list, |
|
* hash and store separately. |
|
*/ |
|
ohosts = hosts = xstrdup(l->hosts); |
|
while ((cp = strsep(&hosts, ",")) != NULL && *cp != '\0') { |
|
if ((hashed = host_hash(cp, NULL, 0)) == NULL) |
|
fatal("hash_host failed"); |
|
fprintf(ctx->out, "%s %s\n", hashed, l->rawkey); |
|
ctx->has_unhashed = 1; |
|
} |
|
free(ohosts); |
|
return 0; |
|
case HKF_STATUS_INVALID: |
|
/* Retain invalid lines, but mark file as invalid. */ |
|
ctx->invalid = 1; |
|
logit("%s:%ld: invalid line", l->path, l->linenum); |
|
/* FALLTHROUGH */ |
|
default: |
|
fprintf(ctx->out, "%s\n", l->line); |
|
return 0; |
} |
} |
|
/* NOTREACHED */ |
|
return -1; |
} |
} |
|
|
|
static int |
|
known_hosts_find_delete(struct hostkey_foreach_line *l, void *_ctx) |
|
{ |
|
struct known_hosts_ctx *ctx = (struct known_hosts_ctx *)_ctx; |
|
enum sshkey_fp_rep rep; |
|
int fptype; |
|
char *fp; |
|
|
|
fptype = print_bubblebabble ? SSH_DIGEST_SHA1 : fingerprint_hash; |
|
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_DEFAULT; |
|
|
|
if (l->status == HKF_STATUS_MATCHED) { |
|
if (delete_host) { |
|
if (l->marker != MRK_NONE) { |
|
/* Don't remove CA and revocation lines */ |
|
fprintf(ctx->out, "%s\n", l->line); |
|
} else { |
|
/* |
|
* Hostname matches and has no CA/revoke |
|
* marker, delete it by *not* writing the |
|
* line to ctx->out. |
|
*/ |
|
ctx->found_key = 1; |
|
if (!quiet) |
|
printf("# Host %s found: line %ld\n", |
|
ctx->host, l->linenum); |
|
} |
|
return 0; |
|
} else if (find_host) { |
|
ctx->found_key = 1; |
|
if (!quiet) { |
|
printf("# Host %s found: line %ld %s\n", |
|
ctx->host, |
|
l->linenum, l->marker == MRK_CA ? "CA" : |
|
(l->marker == MRK_REVOKE ? "REVOKED" : "")); |
|
} |
|
if (hash_hosts) |
|
known_hosts_hash(l, ctx); |
|
else if (print_fingerprint) { |
|
fp = sshkey_fingerprint(l->key, fptype, rep); |
|
printf("%s %s %s %s\n", ctx->host, |
|
sshkey_type(l->key), fp, l->comment); |
|
free(fp); |
|
} else |
|
fprintf(ctx->out, "%s\n", l->line); |
|
return 0; |
|
} |
|
} else if (delete_host) { |
|
/* Retain non-matching hosts when deleting */ |
|
if (l->status == HKF_STATUS_INVALID) { |
|
ctx->invalid = 1; |
|
logit("%s:%ld: invalid line", l->path, l->linenum); |
|
} |
|
fprintf(ctx->out, "%s\n", l->line); |
|
} |
|
return 0; |
|
} |
|
|
static void |
static void |
do_known_hosts(struct passwd *pw, const char *name) |
do_known_hosts(struct passwd *pw, const char *name) |
{ |
{ |
FILE *in, *out = stdout; |
char *cp, tmp[PATH_MAX], old[PATH_MAX]; |
Key *pub; |
int r, fd, oerrno, inplace = 0; |
char *cp, *cp2, *kp, *kp2; |
struct known_hosts_ctx ctx; |
char line[16*1024], tmp[MAXPATHLEN], old[MAXPATHLEN]; |
u_int foreach_options; |
int c, skip = 0, inplace = 0, num = 0, invalid = 0, has_unhashed = 0; |
|
int ca; |
|
int found_key = 0; |
|
|
|
if (!have_identity) { |
if (!have_identity) { |
cp = tilde_expand_filename(_PATH_SSH_USER_HOSTFILE, pw->pw_uid); |
cp = tilde_expand_filename(_PATH_SSH_USER_HOSTFILE, pw->pw_uid); |
|
|
free(cp); |
free(cp); |
have_identity = 1; |
have_identity = 1; |
} |
} |
if ((in = fopen(identity_file, "r")) == NULL) |
|
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
|
|
|
|
memset(&ctx, 0, sizeof(ctx)); |
|
ctx.out = stdout; |
|
ctx.host = name; |
|
|
/* |
/* |
* Find hosts goes to stdout, hash and deletions happen in-place |
* Find hosts goes to stdout, hash and deletions happen in-place |
* A corner case is ssh-keygen -HF foo, which should go to stdout |
* A corner case is ssh-keygen -HF foo, which should go to stdout |
|
|
strlcat(old, ".old", sizeof(old)) >= sizeof(old)) |
strlcat(old, ".old", sizeof(old)) >= sizeof(old)) |
fatal("known_hosts path too long"); |
fatal("known_hosts path too long"); |
umask(077); |
umask(077); |
if ((c = mkstemp(tmp)) == -1) |
if ((fd = mkstemp(tmp)) == -1) |
fatal("mkstemp: %s", strerror(errno)); |
fatal("mkstemp: %s", strerror(errno)); |
if ((out = fdopen(c, "w")) == NULL) { |
if ((ctx.out = fdopen(fd, "w")) == NULL) { |
c = errno; |
oerrno = errno; |
unlink(tmp); |
unlink(tmp); |
fatal("fdopen: %s", strerror(c)); |
fatal("fdopen: %s", strerror(oerrno)); |
} |
} |
inplace = 1; |
inplace = 1; |
} |
} |
|
|
while (fgets(line, sizeof(line), in)) { |
/* XXX support identity_file == "-" for stdin */ |
if ((cp = strchr(line, '\n')) == NULL) { |
foreach_options = find_host ? HKF_WANT_MATCH : 0; |
error("line %d too long: %.40s...", num + 1, line); |
foreach_options |= print_fingerprint ? HKF_WANT_PARSE_KEY : 0; |
skip = 1; |
if ((r = hostkeys_foreach(identity_file, |
invalid = 1; |
hash_hosts ? known_hosts_hash : known_hosts_find_delete, &ctx, |
continue; |
name, NULL, foreach_options)) != 0) |
} |
fatal("%s: hostkeys_foreach failed: %s", __func__, ssh_err(r)); |
num++; |
|
if (skip) { |
|
skip = 0; |
|
continue; |
|
} |
|
*cp = '\0'; |
|
|
|
/* Skip leading whitespace, empty and comment lines. */ |
if (inplace) |
for (cp = line; *cp == ' ' || *cp == '\t'; cp++) |
fclose(ctx.out); |
; |
|
if (!*cp || *cp == '\n' || *cp == '#') { |
|
if (inplace) |
|
fprintf(out, "%s\n", cp); |
|
continue; |
|
} |
|
/* Check whether this is a CA key */ |
|
if (strncasecmp(cp, CA_MARKER, sizeof(CA_MARKER) - 1) == 0 && |
|
(cp[sizeof(CA_MARKER) - 1] == ' ' || |
|
cp[sizeof(CA_MARKER) - 1] == '\t')) { |
|
ca = 1; |
|
cp += sizeof(CA_MARKER); |
|
} else |
|
ca = 0; |
|
|
|
/* Find the end of the host name portion. */ |
if (ctx.invalid) { |
for (kp = cp; *kp && *kp != ' ' && *kp != '\t'; kp++) |
error("%s is not a valid known_hosts file.", identity_file); |
; |
|
|
|
if (*kp == '\0' || *(kp + 1) == '\0') { |
|
error("line %d missing key: %.40s...", |
|
num, line); |
|
invalid = 1; |
|
continue; |
|
} |
|
*kp++ = '\0'; |
|
kp2 = kp; |
|
|
|
pub = key_new(KEY_RSA1); |
|
if (key_read(pub, &kp) != 1) { |
|
kp = kp2; |
|
key_free(pub); |
|
pub = key_new(KEY_UNSPEC); |
|
if (key_read(pub, &kp) != 1) { |
|
error("line %d invalid key: %.40s...", |
|
num, line); |
|
key_free(pub); |
|
invalid = 1; |
|
continue; |
|
} |
|
} |
|
|
|
if (*cp == HASH_DELIM) { |
|
if (find_host || delete_host) { |
|
cp2 = host_hash(name, cp, strlen(cp)); |
|
if (cp2 == NULL) { |
|
error("line %d: invalid hashed " |
|
"name: %.64s...", num, line); |
|
invalid = 1; |
|
continue; |
|
} |
|
c = (strcmp(cp2, cp) == 0); |
|
if (find_host && c) { |
|
if (!quiet) |
|
printf("# Host %s found: " |
|
"line %d type %s%s\n", name, |
|
num, key_type(pub), |
|
ca ? " (CA key)" : ""); |
|
printhost(out, cp, pub, ca, 0); |
|
found_key = 1; |
|
} |
|
if (delete_host) { |
|
if (!c && !ca) |
|
printhost(out, cp, pub, ca, 0); |
|
else |
|
printf("# Host %s found: " |
|
"line %d type %s\n", name, |
|
num, key_type(pub)); |
|
} |
|
} else if (hash_hosts) |
|
printhost(out, cp, pub, ca, 0); |
|
} else { |
|
if (find_host || delete_host) { |
|
c = (match_hostname(name, cp, |
|
strlen(cp)) == 1); |
|
if (find_host && c) { |
|
if (!quiet) |
|
printf("# Host %s found: " |
|
"line %d type %s%s\n", name, |
|
num, key_type(pub), |
|
ca ? " (CA key)" : ""); |
|
printhost(out, name, pub, |
|
ca, hash_hosts && !ca); |
|
found_key = 1; |
|
} |
|
if (delete_host) { |
|
if (!c && !ca) |
|
printhost(out, cp, pub, ca, 0); |
|
else |
|
printf("# Host %s found: " |
|
"line %d type %s\n", name, |
|
num, key_type(pub)); |
|
} |
|
} else if (hash_hosts) { |
|
for (cp2 = strsep(&cp, ","); |
|
cp2 != NULL && *cp2 != '\0'; |
|
cp2 = strsep(&cp, ",")) { |
|
if (ca) { |
|
fprintf(stderr, "Warning: " |
|
"ignoring CA key for host: " |
|
"%.64s\n", cp2); |
|
printhost(out, cp2, pub, ca, 0); |
|
} else if (strcspn(cp2, "*?!") != |
|
strlen(cp2)) { |
|
fprintf(stderr, "Warning: " |
|
"ignoring host name with " |
|
"metacharacters: %.64s\n", |
|
cp2); |
|
printhost(out, cp2, pub, ca, 0); |
|
} else |
|
printhost(out, cp2, pub, ca, 1); |
|
} |
|
has_unhashed = 1; |
|
} |
|
} |
|
key_free(pub); |
|
} |
|
fclose(in); |
|
|
|
if (invalid) { |
|
fprintf(stderr, "%s is not a valid known_hosts file.\n", |
|
identity_file); |
|
if (inplace) { |
if (inplace) { |
fprintf(stderr, "Not replacing existing known_hosts " |
error("Not replacing existing known_hosts " |
"file because of errors\n"); |
"file because of errors"); |
fclose(out); |
|
unlink(tmp); |
unlink(tmp); |
} |
} |
exit(1); |
exit(1); |
} |
} else if (delete_host && !ctx.found_key) { |
|
logit("Host %s not found in %s", name, identity_file); |
if (inplace) { |
unlink(tmp); |
fclose(out); |
} else if (inplace) { |
|
|
/* Backup existing file */ |
/* Backup existing file */ |
if (unlink(old) == -1 && errno != ENOENT) |
if (unlink(old) == -1 && errno != ENOENT) |
fatal("unlink %.100s: %s", old, strerror(errno)); |
fatal("unlink %.100s: %s", old, strerror(errno)); |
|
|
exit(1); |
exit(1); |
} |
} |
|
|
fprintf(stderr, "%s updated.\n", identity_file); |
printf("%s updated.\n", identity_file); |
fprintf(stderr, "Original contents retained as %s\n", old); |
printf("Original contents retained as %s\n", old); |
if (has_unhashed) { |
if (ctx.has_unhashed) { |
fprintf(stderr, "WARNING: %s contains unhashed " |
logit("WARNING: %s contains unhashed entries", old); |
"entries\n", old); |
logit("Delete this file to ensure privacy " |
fprintf(stderr, "Delete this file to ensure privacy " |
"of hostnames"); |
"of hostnames\n"); |
|
} |
} |
} |
} |
|
|
exit (find_host && !found_key); |
exit (find_host && !ctx.found_key); |
} |
} |
|
|
/* |
/* |
|
|
char *comment; |
char *comment; |
char *old_passphrase, *passphrase1, *passphrase2; |
char *old_passphrase, *passphrase1, *passphrase2; |
struct stat st; |
struct stat st; |
Key *private; |
struct sshkey *private; |
|
int r; |
|
|
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", identity_file, strerror(errno)); |
exit(1); |
|
} |
|
/* Try to load the file with empty passphrase. */ |
/* Try to load the file with empty passphrase. */ |
private = key_load_private(identity_file, "", &comment); |
r = sshkey_load_private(identity_file, "", &private, &comment); |
if (private == NULL) { |
if (r == SSH_ERR_KEY_WRONG_PASSPHRASE) { |
if (identity_passphrase) |
if (identity_passphrase) |
old_passphrase = xstrdup(identity_passphrase); |
old_passphrase = xstrdup(identity_passphrase); |
else |
else |
old_passphrase = |
old_passphrase = |
read_passphrase("Enter old passphrase: ", |
read_passphrase("Enter old passphrase: ", |
RP_ALLOW_STDIN); |
RP_ALLOW_STDIN); |
private = key_load_private(identity_file, old_passphrase, |
r = sshkey_load_private(identity_file, old_passphrase, |
&comment); |
&private, &comment); |
explicit_bzero(old_passphrase, strlen(old_passphrase)); |
explicit_bzero(old_passphrase, strlen(old_passphrase)); |
free(old_passphrase); |
free(old_passphrase); |
if (private == NULL) { |
if (r != 0) |
printf("Bad passphrase.\n"); |
goto badkey; |
exit(1); |
} else if (r != 0) { |
} |
badkey: |
|
fatal("Failed to load key %s: %s", identity_file, ssh_err(r)); |
} |
} |
printf("Key has comment '%s'\n", comment); |
if (comment) |
|
printf("Key has comment '%s'\n", comment); |
|
|
/* Ask the new passphrase (twice). */ |
/* Ask the new passphrase (twice). */ |
if (identity_new_passphrase) { |
if (identity_new_passphrase) { |
|
|
} |
} |
|
|
/* Save the file using the new passphrase. */ |
/* Save the file using the new passphrase. */ |
if (!key_save_private(private, identity_file, passphrase1, comment, |
if ((r = sshkey_save_private(private, identity_file, passphrase1, |
use_new_format, new_format_cipher, rounds)) { |
comment, use_new_format, new_format_cipher, rounds)) != 0) { |
printf("Saving the key failed: %s.\n", identity_file); |
error("Saving key \"%s\" failed: %s.", |
|
identity_file, ssh_err(r)); |
explicit_bzero(passphrase1, strlen(passphrase1)); |
explicit_bzero(passphrase1, strlen(passphrase1)); |
free(passphrase1); |
free(passphrase1); |
key_free(private); |
sshkey_free(private); |
free(comment); |
free(comment); |
exit(1); |
exit(1); |
} |
} |
/* Destroy the passphrase and the copy of the key in memory. */ |
/* Destroy the passphrase and the copy of the key in memory. */ |
explicit_bzero(passphrase1, strlen(passphrase1)); |
explicit_bzero(passphrase1, strlen(passphrase1)); |
free(passphrase1); |
free(passphrase1); |
key_free(private); /* Destroys contents */ |
sshkey_free(private); /* Destroys contents */ |
free(comment); |
free(comment); |
|
|
printf("Your identification has been saved with the new passphrase.\n"); |
printf("Your identification has been saved with the new passphrase.\n"); |
|
|
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) |
{ |
{ |
Key *public; |
struct sshkey *public; |
char *comment = NULL; |
char *comment = NULL; |
struct stat st; |
struct stat st; |
|
int r; |
|
|
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) < 0) { |
if (errno == ENOENT) |
if (errno == ENOENT) |
return 0; |
return 0; |
perror(fname); |
fatal("%s: %s", fname, strerror(errno)); |
exit(1); |
|
} |
} |
public = key_load_public(fname, &comment); |
if ((r = sshkey_load_public(fname, &public, &comment)) != 0) |
if (public != NULL) { |
fatal("Failed to read v2 public key from \"%s\": %s.", |
export_dns_rr(hname, public, stdout, print_generic); |
fname, ssh_err(r)); |
key_free(public); |
export_dns_rr(hname, public, stdout, print_generic); |
free(comment); |
sshkey_free(public); |
return 1; |
free(comment); |
} |
return 1; |
if (comment) |
|
free(comment); |
|
|
|
printf("failed to read v2 public key from %s.\n", fname); |
|
exit(1); |
|
} |
} |
|
|
/* |
/* |
|
|
do_change_comment(struct passwd *pw) |
do_change_comment(struct passwd *pw) |
{ |
{ |
char new_comment[1024], *comment, *passphrase; |
char new_comment[1024], *comment, *passphrase; |
Key *private; |
struct sshkey *private; |
Key *public; |
struct sshkey *public; |
struct stat st; |
struct stat st; |
FILE *f; |
FILE *f; |
int fd; |
int r, fd; |
|
|
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", identity_file, strerror(errno)); |
exit(1); |
if ((r = sshkey_load_private(identity_file, "", |
} |
&private, &comment)) == 0) |
private = key_load_private(identity_file, "", &comment); |
passphrase = xstrdup(""); |
if (private == NULL) { |
else if (r != SSH_ERR_KEY_WRONG_PASSPHRASE) |
|
fatal("Cannot load private key \"%s\": %s.", |
|
identity_file, ssh_err(r)); |
|
else { |
if (identity_passphrase) |
if (identity_passphrase) |
passphrase = xstrdup(identity_passphrase); |
passphrase = xstrdup(identity_passphrase); |
else if (identity_new_passphrase) |
else if (identity_new_passphrase) |
|
|
passphrase = read_passphrase("Enter passphrase: ", |
passphrase = read_passphrase("Enter passphrase: ", |
RP_ALLOW_STDIN); |
RP_ALLOW_STDIN); |
/* Try to load using the passphrase. */ |
/* Try to load using the passphrase. */ |
private = key_load_private(identity_file, passphrase, &comment); |
if ((r = sshkey_load_private(identity_file, passphrase, |
if (private == NULL) { |
&private, &comment)) != 0) { |
explicit_bzero(passphrase, strlen(passphrase)); |
explicit_bzero(passphrase, strlen(passphrase)); |
free(passphrase); |
free(passphrase); |
printf("Bad passphrase.\n"); |
fatal("Cannot load private key \"%s\": %s.", |
exit(1); |
identity_file, ssh_err(r)); |
} |
} |
} else { |
|
passphrase = xstrdup(""); |
|
} |
} |
|
/* XXX what about new-format keys? */ |
if (private->type != KEY_RSA1) { |
if (private->type != KEY_RSA1) { |
fprintf(stderr, "Comments are only supported for RSA1 keys.\n"); |
error("Comments are only supported for RSA1 keys."); |
key_free(private); |
explicit_bzero(passphrase, strlen(passphrase)); |
|
sshkey_free(private); |
exit(1); |
exit(1); |
} |
} |
printf("Key now has comment '%s'\n", comment); |
printf("Key now has comment '%s'\n", 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)); |
key_free(private); |
sshkey_free(private); |
exit(1); |
exit(1); |
} |
} |
new_comment[strcspn(new_comment, "\n")] = '\0'; |
new_comment[strcspn(new_comment, "\n")] = '\0'; |
} |
} |
|
|
/* Save the file using the new passphrase. */ |
/* Save the file using the new passphrase. */ |
if (!key_save_private(private, identity_file, passphrase, new_comment, |
if ((r = sshkey_save_private(private, identity_file, passphrase, |
use_new_format, new_format_cipher, rounds)) { |
new_comment, use_new_format, new_format_cipher, rounds)) != 0) { |
printf("Saving the key failed: %s.\n", identity_file); |
error("Saving key \"%s\" failed: %s", |
|
identity_file, ssh_err(r)); |
explicit_bzero(passphrase, strlen(passphrase)); |
explicit_bzero(passphrase, strlen(passphrase)); |
free(passphrase); |
free(passphrase); |
key_free(private); |
sshkey_free(private); |
free(comment); |
free(comment); |
exit(1); |
exit(1); |
} |
} |
explicit_bzero(passphrase, strlen(passphrase)); |
explicit_bzero(passphrase, strlen(passphrase)); |
free(passphrase); |
free(passphrase); |
public = key_from_private(private); |
if ((r = sshkey_from_private(private, &public)) != 0) |
key_free(private); |
fatal("key_from_private failed: %s", ssh_err(r)); |
|
sshkey_free(private); |
|
|
strlcat(identity_file, ".pub", sizeof(identity_file)); |
strlcat(identity_file, ".pub", sizeof(identity_file)); |
fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
if (fd == -1) { |
if (fd == -1) |
printf("Could not save your public key in %s\n", identity_file); |
fatal("Could not save your public key in %s", identity_file); |
exit(1); |
|
} |
|
f = fdopen(fd, "w"); |
f = fdopen(fd, "w"); |
if (f == NULL) { |
if (f == NULL) |
printf("fdopen %s failed\n", identity_file); |
fatal("fdopen %s failed: %s", identity_file, strerror(errno)); |
exit(1); |
if ((r = sshkey_write(public, f)) != 0) |
} |
fatal("write key failed: %s", ssh_err(r)); |
if (!key_write(public, f)) |
sshkey_free(public); |
fprintf(stderr, "write key failed\n"); |
|
key_free(public); |
|
fprintf(f, " %s\n", new_comment); |
fprintf(f, " %s\n", new_comment); |
fclose(f); |
fclose(f); |
|
|
|
|
} |
} |
|
|
static void |
static void |
add_flag_option(Buffer *c, const char *name) |
add_flag_option(struct sshbuf *c, const char *name) |
{ |
{ |
|
int r; |
|
|
debug3("%s: %s", __func__, name); |
debug3("%s: %s", __func__, name); |
buffer_put_cstring(c, name); |
if ((r = sshbuf_put_cstring(c, name)) != 0 || |
buffer_put_string(c, NULL, 0); |
(r = sshbuf_put_string(c, NULL, 0)) != 0) |
|
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
} |
} |
|
|
static void |
static void |
add_string_option(Buffer *c, const char *name, const char *value) |
add_string_option(struct sshbuf *c, const char *name, const char *value) |
{ |
{ |
Buffer b; |
struct sshbuf *b; |
|
int r; |
|
|
debug3("%s: %s=%s", __func__, name, value); |
debug3("%s: %s=%s", __func__, name, value); |
buffer_init(&b); |
if ((b = sshbuf_new()) == NULL) |
buffer_put_cstring(&b, value); |
fatal("%s: sshbuf_new failed", __func__); |
|
if ((r = sshbuf_put_cstring(b, value)) != 0 || |
|
(r = sshbuf_put_cstring(c, name)) != 0 || |
|
(r = sshbuf_put_stringb(c, b)) != 0) |
|
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
|
|
buffer_put_cstring(c, name); |
sshbuf_free(b); |
buffer_put_string(c, buffer_ptr(&b), buffer_len(&b)); |
|
|
|
buffer_free(&b); |
|
} |
} |
|
|
#define OPTIONS_CRITICAL 1 |
#define OPTIONS_CRITICAL 1 |
#define OPTIONS_EXTENSIONS 2 |
#define OPTIONS_EXTENSIONS 2 |
static void |
static void |
prepare_options_buf(Buffer *c, int which) |
prepare_options_buf(struct sshbuf *c, int which) |
{ |
{ |
buffer_clear(c); |
sshbuf_reset(c); |
if ((which & OPTIONS_CRITICAL) != 0 && |
if ((which & OPTIONS_CRITICAL) != 0 && |
certflags_command != NULL) |
certflags_command != NULL) |
add_string_option(c, "force-command", certflags_command); |
add_string_option(c, "force-command", certflags_command); |
|
|
add_string_option(c, "source-address", certflags_src_addr); |
add_string_option(c, "source-address", certflags_src_addr); |
} |
} |
|
|
static Key * |
static struct sshkey * |
load_pkcs11_key(char *path) |
load_pkcs11_key(char *path) |
{ |
{ |
#ifdef ENABLE_PKCS11 |
#ifdef ENABLE_PKCS11 |
Key **keys = NULL, *public, *private = NULL; |
struct sshkey **keys = NULL, *public, *private = NULL; |
int i, nkeys; |
int r, i, nkeys; |
|
|
if ((public = key_load_public(path, NULL)) == NULL) |
if ((r = sshkey_load_public(path, &public, NULL)) != 0) |
fatal("Couldn't load CA public key \"%s\"", path); |
fatal("Couldn't load CA public key \"%s\": %s", |
|
path, ssh_err(r)); |
|
|
nkeys = pkcs11_add_provider(pkcs11provider, identity_passphrase, &keys); |
nkeys = pkcs11_add_provider(pkcs11provider, identity_passphrase, &keys); |
debug3("%s: %d keys", __func__, nkeys); |
debug3("%s: %d keys", __func__, nkeys); |
if (nkeys <= 0) |
if (nkeys <= 0) |
fatal("cannot read public key from pkcs11"); |
fatal("cannot read public key from pkcs11"); |
for (i = 0; i < nkeys; i++) { |
for (i = 0; i < nkeys; i++) { |
if (key_equal_public(public, keys[i])) { |
if (sshkey_equal_public(public, keys[i])) { |
private = keys[i]; |
private = keys[i]; |
continue; |
continue; |
} |
} |
key_free(keys[i]); |
sshkey_free(keys[i]); |
} |
} |
free(keys); |
free(keys); |
key_free(public); |
sshkey_free(public); |
return private; |
return private; |
#else |
#else |
fatal("no pkcs11 support"); |
fatal("no pkcs11 support"); |
|
|
static void |
static void |
do_ca_sign(struct passwd *pw, int argc, char **argv) |
do_ca_sign(struct passwd *pw, int argc, char **argv) |
{ |
{ |
int i, fd; |
int r, i, fd; |
u_int n; |
u_int n; |
Key *ca, *public; |
struct sshkey *ca, *public; |
char *otmp, *tmp, *cp, *out, *comment, **plist = NULL; |
char *otmp, *tmp, *cp, *out, *comment, **plist = NULL; |
FILE *f; |
FILE *f; |
int v00 = 0; /* legacy keys */ |
int v00 = 0; /* legacy keys */ |
|
|
if (key_type_name != NULL) { |
if (key_type_name != NULL) { |
switch (key_type_from_name(key_type_name)) { |
switch (sshkey_type_from_name(key_type_name)) { |
case KEY_RSA_CERT_V00: |
case KEY_RSA_CERT_V00: |
case KEY_DSA_CERT_V00: |
case KEY_DSA_CERT_V00: |
v00 = 1; |
v00 = 1; |
|
|
break; |
break; |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
default: |
default: |
fprintf(stderr, "unknown key type %s\n", key_type_name); |
fatal("unknown key type %s", key_type_name); |
exit(1); |
|
} |
} |
} |
} |
|
|
|
|
if (pkcs11provider != NULL) { |
if (pkcs11provider != NULL) { |
if ((ca = load_pkcs11_key(tmp)) == NULL) |
if ((ca = load_pkcs11_key(tmp)) == NULL) |
fatal("No PKCS#11 key matching %s found", ca_key_path); |
fatal("No PKCS#11 key matching %s found", ca_key_path); |
} else if ((ca = load_identity(tmp)) == NULL) |
} else |
fatal("Couldn't load CA key \"%s\"", tmp); |
ca = load_identity(tmp); |
free(tmp); |
free(tmp); |
|
|
for (i = 0; i < argc; i++) { |
for (i = 0; i < argc; i++) { |
|
|
otmp = tmp = xstrdup(cert_principals); |
otmp = tmp = xstrdup(cert_principals); |
plist = NULL; |
plist = NULL; |
for (; (cp = strsep(&tmp, ",")) != NULL; n++) { |
for (; (cp = strsep(&tmp, ",")) != NULL; n++) { |
plist = xrealloc(plist, n + 1, sizeof(*plist)); |
plist = xreallocarray(plist, n + 1, sizeof(*plist)); |
if (*(plist[n] = xstrdup(cp)) == '\0') |
if (*(plist[n] = xstrdup(cp)) == '\0') |
fatal("Empty principal name"); |
fatal("Empty principal name"); |
} |
} |
|
|
} |
} |
|
|
tmp = tilde_expand_filename(argv[i], pw->pw_uid); |
tmp = tilde_expand_filename(argv[i], pw->pw_uid); |
if ((public = key_load_public(tmp, &comment)) == NULL) |
if ((r = sshkey_load_public(tmp, &public, &comment)) != 0) |
fatal("%s: unable to open \"%s\"", __func__, tmp); |
fatal("%s: unable to open \"%s\": %s", |
|
__func__, tmp, ssh_err(r)); |
if (public->type != KEY_RSA && public->type != KEY_DSA && |
if (public->type != KEY_RSA && public->type != KEY_DSA && |
public->type != KEY_ECDSA && public->type != KEY_ED25519) |
public->type != KEY_ECDSA && public->type != KEY_ED25519) |
fatal("%s: key \"%s\" type %s cannot be certified", |
fatal("%s: key \"%s\" type %s cannot be certified", |
__func__, tmp, key_type(public)); |
__func__, tmp, sshkey_type(public)); |
|
|
/* Prepare certificate to sign */ |
/* Prepare certificate to sign */ |
if (key_to_certified(public, v00) != 0) |
if ((r = sshkey_to_certified(public, v00)) != 0) |
fatal("Could not upgrade key %s to certificate", tmp); |
fatal("Could not upgrade key %s to certificate: %s", |
|
tmp, ssh_err(r)); |
public->cert->type = cert_key_type; |
public->cert->type = cert_key_type; |
public->cert->serial = (u_int64_t)cert_serial; |
public->cert->serial = (u_int64_t)cert_serial; |
public->cert->key_id = xstrdup(cert_key_id); |
public->cert->key_id = xstrdup(cert_key_id); |
|
|
prepare_options_buf(public->cert->extensions, |
prepare_options_buf(public->cert->extensions, |
OPTIONS_EXTENSIONS); |
OPTIONS_EXTENSIONS); |
} |
} |
public->cert->signature_key = key_from_private(ca); |
if ((r = sshkey_from_private(ca, |
|
&public->cert->signature_key)) != 0) |
|
fatal("key_from_private (ca key): %s", ssh_err(r)); |
|
|
if (key_certify(public, ca) != 0) |
if (sshkey_certify(public, ca) != 0) |
fatal("Couldn't not certify key %s", tmp); |
fatal("Couldn't not certify key %s", tmp); |
|
|
if ((cp = strrchr(tmp, '.')) != NULL && strcmp(cp, ".pub") == 0) |
if ((cp = strrchr(tmp, '.')) != NULL && strcmp(cp, ".pub") == 0) |
|
|
strerror(errno)); |
strerror(errno)); |
if ((f = fdopen(fd, "w")) == NULL) |
if ((f = fdopen(fd, "w")) == NULL) |
fatal("%s: fdopen: %s", __func__, strerror(errno)); |
fatal("%s: fdopen: %s", __func__, strerror(errno)); |
if (!key_write(public, f)) |
if ((r = sshkey_write(public, f)) != 0) |
fatal("Could not write certified key to %s", out); |
fatal("Could not write certified key to %s: %s", |
|
out, ssh_err(r)); |
fprintf(f, " %s\n", comment); |
fprintf(f, " %s\n", comment); |
fclose(f); |
fclose(f); |
|
|
if (!quiet) { |
if (!quiet) { |
logit("Signed %s key %s: id \"%s\" serial %llu%s%s " |
logit("Signed %s key %s: id \"%s\" serial %llu%s%s " |
"valid %s", key_cert_type(public), |
"valid %s", sshkey_cert_type(public), |
out, public->cert->key_id, |
out, public->cert->key_id, |
(unsigned long long)public->cert->serial, |
(unsigned long long)public->cert->serial, |
cert_principals != NULL ? " for " : "", |
cert_principals != NULL ? " for " : "", |
|
|
fmt_validity(cert_valid_from, cert_valid_to)); |
fmt_validity(cert_valid_from, cert_valid_to)); |
} |
} |
|
|
key_free(public); |
sshkey_free(public); |
free(out); |
free(out); |
} |
} |
#ifdef ENABLE_PKCS11 |
#ifdef ENABLE_PKCS11 |
|
|
} |
} |
|
|
static void |
static void |
show_options(const Buffer *optbuf, int v00, int in_critical) |
show_options(struct sshbuf *optbuf, int v00, int in_critical) |
{ |
{ |
char *name, *arg; |
char *name, *arg; |
const u_char *data; |
struct sshbuf *options, *option = NULL; |
u_int dlen; |
int r; |
Buffer options, option; |
|
|
|
buffer_init(&options); |
if ((options = sshbuf_fromb(optbuf)) == NULL) |
buffer_append(&options, buffer_ptr(optbuf), buffer_len(optbuf)); |
fatal("%s: sshbuf_fromb failed", __func__); |
|
while (sshbuf_len(options) != 0) { |
buffer_init(&option); |
sshbuf_free(option); |
while (buffer_len(&options) != 0) { |
option = NULL; |
name = buffer_get_string(&options, NULL); |
if ((r = sshbuf_get_cstring(options, &name, NULL)) != 0 || |
data = buffer_get_string_ptr(&options, &dlen); |
(r = sshbuf_froms(options, &option)) != 0) |
buffer_append(&option, data, dlen); |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
printf(" %s", name); |
printf(" %s", name); |
if ((v00 || !in_critical) && |
if ((v00 || !in_critical) && |
(strcmp(name, "permit-X11-forwarding") == 0 || |
(strcmp(name, "permit-X11-forwarding") == 0 || |
|
|
else if ((v00 || in_critical) && |
else if ((v00 || in_critical) && |
(strcmp(name, "force-command") == 0 || |
(strcmp(name, "force-command") == 0 || |
strcmp(name, "source-address") == 0)) { |
strcmp(name, "source-address") == 0)) { |
arg = buffer_get_cstring(&option, NULL); |
if ((r = sshbuf_get_cstring(option, &arg, NULL)) != 0) |
|
fatal("%s: buffer error: %s", |
|
__func__, ssh_err(r)); |
printf(" %s\n", arg); |
printf(" %s\n", arg); |
free(arg); |
free(arg); |
} else { |
} else { |
printf(" UNKNOWN OPTION (len %u)\n", |
printf(" UNKNOWN OPTION (len %zu)\n", |
buffer_len(&option)); |
sshbuf_len(option)); |
buffer_clear(&option); |
sshbuf_reset(option); |
} |
} |
free(name); |
free(name); |
if (buffer_len(&option) != 0) |
if (sshbuf_len(option) != 0) |
fatal("Option corrupt: extra data at end"); |
fatal("Option corrupt: extra data at end"); |
} |
} |
buffer_free(&option); |
sshbuf_free(option); |
buffer_free(&options); |
sshbuf_free(options); |
} |
} |
|
|
static void |
static void |
do_show_cert(struct passwd *pw) |
do_show_cert(struct passwd *pw) |
{ |
{ |
Key *key; |
struct sshkey *key; |
struct stat st; |
struct stat st; |
char *key_fp, *ca_fp; |
char *key_fp, *ca_fp; |
u_int i, v00; |
u_int i, v00; |
|
int r; |
|
|
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) |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
if ((key = key_load_public(identity_file, NULL)) == NULL) |
if ((r = sshkey_load_public(identity_file, &key, NULL)) != 0) |
fatal("%s is not a public key", identity_file); |
fatal("Cannot load public key \"%s\": %s", |
if (!key_is_cert(key)) |
identity_file, ssh_err(r)); |
|
if (!sshkey_is_cert(key)) |
fatal("%s is not a certificate", identity_file); |
fatal("%s is not a certificate", identity_file); |
v00 = key->type == KEY_RSA_CERT_V00 || key->type == KEY_DSA_CERT_V00; |
v00 = key->type == KEY_RSA_CERT_V00 || key->type == KEY_DSA_CERT_V00; |
|
|
key_fp = key_fingerprint(key, SSH_FP_MD5, SSH_FP_HEX); |
key_fp = sshkey_fingerprint(key, fingerprint_hash, SSH_FP_DEFAULT); |
ca_fp = key_fingerprint(key->cert->signature_key, |
ca_fp = sshkey_fingerprint(key->cert->signature_key, |
SSH_FP_MD5, SSH_FP_HEX); |
fingerprint_hash, SSH_FP_DEFAULT); |
|
if (key_fp == NULL || ca_fp == NULL) |
|
fatal("%s: sshkey_fingerprint fail", __func__); |
|
|
printf("%s:\n", identity_file); |
printf("%s:\n", identity_file); |
printf(" Type: %s %s certificate\n", key_ssh_name(key), |
printf(" Type: %s %s certificate\n", sshkey_ssh_name(key), |
key_cert_type(key)); |
sshkey_cert_type(key)); |
printf(" Public key: %s %s\n", key_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\n", |
key_type(key->cert->signature_key), ca_fp); |
sshkey_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); |
if (!v00) { |
if (!v00) { |
printf(" Serial: %llu\n", |
printf(" Serial: %llu\n", |
|
|
printf("\n"); |
printf("\n"); |
} |
} |
printf(" Critical Options: "); |
printf(" Critical Options: "); |
if (buffer_len(key->cert->critical) == 0) |
if (sshbuf_len(key->cert->critical) == 0) |
printf("(none)\n"); |
printf("(none)\n"); |
else { |
else { |
printf("\n"); |
printf("\n"); |
|
|
} |
} |
if (!v00) { |
if (!v00) { |
printf(" Extensions: "); |
printf(" Extensions: "); |
if (buffer_len(key->cert->extensions) == 0) |
if (sshbuf_len(key->cert->extensions) == 0) |
printf("(none)\n"); |
printf("(none)\n"); |
else { |
else { |
printf("\n"); |
printf("\n"); |
|
|
static void |
static void |
load_krl(const char *path, struct ssh_krl **krlp) |
load_krl(const char *path, struct ssh_krl **krlp) |
{ |
{ |
Buffer krlbuf; |
struct sshbuf *krlbuf; |
int fd; |
int r, fd; |
|
|
buffer_init(&krlbuf); |
if ((krlbuf = sshbuf_new()) == NULL) |
|
fatal("sshbuf_new failed"); |
if ((fd = open(path, O_RDONLY)) == -1) |
if ((fd = open(path, O_RDONLY)) == -1) |
fatal("open %s: %s", path, strerror(errno)); |
fatal("open %s: %s", path, strerror(errno)); |
if (!key_load_file(fd, path, &krlbuf)) |
if ((r = sshkey_load_file(fd, krlbuf)) != 0) |
fatal("Unable to load KRL"); |
fatal("Unable to load KRL: %s", ssh_err(r)); |
close(fd); |
close(fd); |
/* XXX check sigs */ |
/* XXX check sigs */ |
if (ssh_krl_from_blob(&krlbuf, krlp, NULL, 0) != 0 || |
if ((r = ssh_krl_from_blob(krlbuf, krlp, NULL, 0)) != 0 || |
*krlp == NULL) |
*krlp == NULL) |
fatal("Invalid KRL file"); |
fatal("Invalid KRL file: %s", ssh_err(r)); |
buffer_free(&krlbuf); |
sshbuf_free(krlbuf); |
} |
} |
|
|
static void |
static void |
update_krl_from_file(struct passwd *pw, const char *file, const Key *ca, |
update_krl_from_file(struct passwd *pw, const char *file, int wild_ca, |
struct ssh_krl *krl) |
const struct sshkey *ca, struct ssh_krl *krl) |
{ |
{ |
Key *key = NULL; |
struct sshkey *key = NULL; |
u_long lnum = 0; |
u_long lnum = 0; |
char *path, *cp, *ep, line[SSH_MAX_PUBKEY_BYTES]; |
char *path, *cp, *ep, line[SSH_MAX_PUBKEY_BYTES]; |
unsigned long long serial, serial2; |
unsigned long long serial, serial2; |
|
|
if (*cp == '\0') |
if (*cp == '\0') |
continue; |
continue; |
if (strncasecmp(cp, "serial:", 7) == 0) { |
if (strncasecmp(cp, "serial:", 7) == 0) { |
if (ca == NULL) { |
if (ca == NULL && !wild_ca) { |
fatal("revoking certificates by serial number " |
fatal("revoking certificates by serial number " |
"requires specification of a CA key"); |
"requires specification of a CA key"); |
} |
} |
|
|
__func__); |
__func__); |
} |
} |
} else if (strncasecmp(cp, "id:", 3) == 0) { |
} else if (strncasecmp(cp, "id:", 3) == 0) { |
if (ca == NULL) { |
if (ca == NULL && !wild_ca) { |
fatal("revoking certificates by key ID " |
fatal("revoking certificates by key ID " |
"requires specification of a CA key"); |
"requires specification of a CA key"); |
} |
} |
|
|
* Parsing will fail if it isn't. |
* Parsing will fail if it isn't. |
*/ |
*/ |
} |
} |
if ((key = key_new(KEY_UNSPEC)) == NULL) |
if ((key = sshkey_new(KEY_UNSPEC)) == NULL) |
fatal("key_new"); |
fatal("key_new"); |
if (key_read(key, &cp) != 1) |
if ((r = sshkey_read(key, &cp)) != 0) |
fatal("%s:%lu: invalid key", path, lnum); |
fatal("%s:%lu: invalid key: %s", |
|
path, lnum, ssh_err(r)); |
if (was_explicit_key) |
if (was_explicit_key) |
r = ssh_krl_revoke_key_explicit(krl, key); |
r = ssh_krl_revoke_key_explicit(krl, key); |
else if (was_sha1) |
else if (was_sha1) |
|
|
else |
else |
r = ssh_krl_revoke_key(krl, key); |
r = ssh_krl_revoke_key(krl, key); |
if (r != 0) |
if (r != 0) |
fatal("%s: revoke key failed", __func__); |
fatal("%s: revoke key failed: %s", |
key_free(key); |
__func__, ssh_err(r)); |
|
sshkey_free(key); |
} |
} |
} |
} |
if (strcmp(path, "-") != 0) |
if (strcmp(path, "-") != 0) |
|
|
{ |
{ |
struct ssh_krl *krl; |
struct ssh_krl *krl; |
struct stat sb; |
struct stat sb; |
Key *ca = NULL; |
struct sshkey *ca = NULL; |
int fd, i; |
int fd, i, r, wild_ca = 0; |
char *tmp; |
char *tmp; |
Buffer kbuf; |
struct sshbuf *kbuf; |
|
|
if (*identity_file == '\0') |
if (*identity_file == '\0') |
fatal("KRL generation requires an output file"); |
fatal("KRL generation requires an output file"); |
|
|
fatal("KRL \"%s\" does not exist", identity_file); |
fatal("KRL \"%s\" does not exist", identity_file); |
} |
} |
if (ca_key_path != NULL) { |
if (ca_key_path != NULL) { |
tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
if (strcasecmp(ca_key_path, "none") == 0) |
if ((ca = key_load_public(tmp, NULL)) == NULL) |
wild_ca = 1; |
fatal("Cannot load CA public key %s", tmp); |
else { |
free(tmp); |
tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
|
if ((r = sshkey_load_public(tmp, &ca, NULL)) != 0) |
|
fatal("Cannot load CA public key %s: %s", |
|
tmp, ssh_err(r)); |
|
free(tmp); |
|
} |
} |
} |
|
|
if (updating) |
if (updating) |
|
|
ssh_krl_set_comment(krl, identity_comment); |
ssh_krl_set_comment(krl, identity_comment); |
|
|
for (i = 0; i < argc; i++) |
for (i = 0; i < argc; i++) |
update_krl_from_file(pw, argv[i], ca, krl); |
update_krl_from_file(pw, argv[i], wild_ca, ca, krl); |
|
|
buffer_init(&kbuf); |
if ((kbuf = sshbuf_new()) == NULL) |
if (ssh_krl_to_blob(krl, &kbuf, NULL, 0) != 0) |
fatal("sshbuf_new failed"); |
|
if (ssh_krl_to_blob(krl, kbuf, NULL, 0) != 0) |
fatal("Couldn't generate KRL"); |
fatal("Couldn't generate KRL"); |
if ((fd = open(identity_file, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) |
if ((fd = open(identity_file, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) |
fatal("open %s: %s", identity_file, strerror(errno)); |
fatal("open %s: %s", identity_file, strerror(errno)); |
if (atomicio(vwrite, fd, buffer_ptr(&kbuf), buffer_len(&kbuf)) != |
if (atomicio(vwrite, fd, (void *)sshbuf_ptr(kbuf), sshbuf_len(kbuf)) != |
buffer_len(&kbuf)) |
sshbuf_len(kbuf)) |
fatal("write %s: %s", identity_file, strerror(errno)); |
fatal("write %s: %s", identity_file, strerror(errno)); |
close(fd); |
close(fd); |
buffer_free(&kbuf); |
sshbuf_free(kbuf); |
ssh_krl_free(krl); |
ssh_krl_free(krl); |
if (ca != NULL) |
if (ca != NULL) |
key_free(ca); |
sshkey_free(ca); |
} |
} |
|
|
static void |
static void |
|
|
int i, r, ret = 0; |
int i, r, ret = 0; |
char *comment; |
char *comment; |
struct ssh_krl *krl; |
struct ssh_krl *krl; |
Key *k; |
struct sshkey *k; |
|
|
if (*identity_file == '\0') |
if (*identity_file == '\0') |
fatal("KRL checking requires an input file"); |
fatal("KRL checking requires an input file"); |
load_krl(identity_file, &krl); |
load_krl(identity_file, &krl); |
for (i = 0; i < argc; i++) { |
for (i = 0; i < argc; i++) { |
if ((k = key_load_public(argv[i], &comment)) == NULL) |
if ((r = sshkey_load_public(argv[i], &k, &comment)) != 0) |
fatal("Cannot load public key %s", argv[i]); |
fatal("Cannot load public key %s: %s", |
|
argv[i], ssh_err(r)); |
r = ssh_krl_check_key(krl, k); |
r = ssh_krl_check_key(krl, k); |
printf("%s%s%s%s: %s\n", argv[i], |
printf("%s%s%s%s: %s\n", argv[i], |
*comment ? " (" : "", comment, *comment ? ")" : "", |
*comment ? " (" : "", comment, *comment ? ")" : "", |
r == 0 ? "ok" : "REVOKED"); |
r == 0 ? "ok" : "REVOKED"); |
if (r != 0) |
if (r != 0) |
ret = 1; |
ret = 1; |
key_free(k); |
sshkey_free(k); |
free(comment); |
free(comment); |
} |
} |
ssh_krl_free(krl); |
ssh_krl_free(krl); |
|
|
" 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" |
" ssh-keygen -c [-P passphrase] [-C comment] [-f keyfile]\n" |
" ssh-keygen -c [-P passphrase] [-C comment] [-f keyfile]\n" |
" ssh-keygen -l [-f input_keyfile]\n" |
" ssh-keygen -l [-v] [-E fingerprint_hash] [-f input_keyfile]\n" |
" ssh-keygen -B [-f input_keyfile]\n"); |
" ssh-keygen -B [-f input_keyfile]\n"); |
#ifdef ENABLE_PKCS11 |
#ifdef ENABLE_PKCS11 |
fprintf(stderr, |
fprintf(stderr, |
|
|
int |
int |
main(int argc, char **argv) |
main(int argc, char **argv) |
{ |
{ |
char dotsshdir[MAXPATHLEN], comment[1024], *passphrase1, *passphrase2; |
char dotsshdir[PATH_MAX], comment[1024], *passphrase1, *passphrase2; |
char *checkpoint = NULL; |
char *checkpoint = NULL; |
char out_file[MAXPATHLEN], *ep, *rr_hostname = NULL; |
char out_file[PATH_MAX], *rr_hostname = NULL, *ep, *fp, *ra; |
Key *private, *public; |
struct sshkey *private, *public; |
struct passwd *pw; |
struct passwd *pw; |
struct stat st; |
struct stat st; |
int opt, type, fd; |
int r, opt, type, fd; |
u_int32_t memory = 0, generator_wanted = 0; |
u_int32_t memory = 0, generator_wanted = 0; |
int do_gen_candidates = 0, do_screen_candidates = 0; |
int do_gen_candidates = 0, do_screen_candidates = 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; |
|
|
|
|
/* we need this for the home * directory. */ |
/* we need this for the home * directory. */ |
pw = getpwuid(getuid()); |
pw = getpwuid(getuid()); |
if (!pw) { |
if (!pw) |
printf("No user exists for uid %lu\n", (u_long)getuid()); |
fatal("No user exists for uid %lu", (u_long)getuid()); |
exit(1); |
if (gethostname(hostname, sizeof(hostname)) < 0) |
} |
fatal("gethostname: %s", strerror(errno)); |
if (gethostname(hostname, sizeof(hostname)) < 0) { |
|
perror("gethostname"); |
|
exit(1); |
|
} |
|
|
|
/* Remaining characters: EUYdw */ |
/* Remaining characters: UYdw */ |
while ((opt = getopt(argc, argv, "ABHLQXceghiklopquvxy" |
while ((opt = getopt(argc, argv, "ABHLQXceghiklopquvxy" |
"C:D:F:G:I:J:K:M:N:O:P:R:S:T:V:W:Z:a:b:f:g:j:m:n:r:s:t:z:")) != -1) { |
"C:D:E:F:G:I:J:K:M:N:O:P:R:S:T:V:W:Z:" |
|
"a:b:f:g:j:m:n:r:s:t:z:")) != -1) { |
switch (opt) { |
switch (opt) { |
case 'A': |
case 'A': |
gen_all_hostkeys = 1; |
gen_all_hostkeys = 1; |
|
|
fatal("Bits has bad value %s (%s)", |
fatal("Bits has bad value %s (%s)", |
optarg, errstr); |
optarg, errstr); |
break; |
break; |
|
case 'E': |
|
fingerprint_hash = ssh_digest_alg_by_name(optarg); |
|
if (fingerprint_hash == -1) |
|
fatal("Invalid hash algorithm \"%s\"", optarg); |
|
break; |
case 'F': |
case 'F': |
find_host = 1; |
find_host = 1; |
rr_hostname = optarg; |
rr_hostname = optarg; |
|
|
fatal("Output filename too long"); |
fatal("Output filename too long"); |
break; |
break; |
case 'K': |
case 'K': |
if (strlen(optarg) >= MAXPATHLEN) |
if (strlen(optarg) >= PATH_MAX) |
fatal("Checkpoint filename too long"); |
fatal("Checkpoint filename too long"); |
checkpoint = xstrdup(optarg); |
checkpoint = xstrdup(optarg); |
break; |
break; |
|
|
|
|
if (ca_key_path != NULL) { |
if (ca_key_path != NULL) { |
if (argc < 1 && !gen_krl) { |
if (argc < 1 && !gen_krl) { |
printf("Too few arguments.\n"); |
error("Too few arguments."); |
usage(); |
usage(); |
} |
} |
} else if (argc > 0 && !gen_krl && !check_krl) { |
} else if (argc > 0 && !gen_krl && !check_krl) { |
printf("Too many arguments.\n"); |
error("Too many arguments."); |
usage(); |
usage(); |
} |
} |
if (change_passphrase && change_comment) { |
if (change_passphrase && change_comment) { |
printf("Can only have one of -p and -c.\n"); |
error("Can only have one of -p and -c."); |
usage(); |
usage(); |
} |
} |
if (print_fingerprint && (delete_host || hash_hosts)) { |
if (print_fingerprint && (delete_host || hash_hosts)) { |
printf("Cannot use -l with -H or -R.\n"); |
error("Cannot use -l with -H or -R."); |
usage(); |
usage(); |
} |
} |
#ifdef WITH_OPENSSL |
#ifdef WITH_OPENSSL |
|
|
if (have_identity) { |
if (have_identity) { |
n = do_print_resource_record(pw, |
n = do_print_resource_record(pw, |
identity_file, rr_hostname); |
identity_file, rr_hostname); |
if (n == 0) { |
if (n == 0) |
perror(identity_file); |
fatal("%s: %s", identity_file, strerror(errno)); |
exit(1); |
|
} |
|
exit(0); |
exit(0); |
} else { |
} else { |
|
|
|
|
if (key_type_name == NULL) |
if (key_type_name == NULL) |
key_type_name = "rsa"; |
key_type_name = "rsa"; |
|
|
type = key_type_from_name(key_type_name); |
type = sshkey_type_from_name(key_type_name); |
type_bits_valid(type, &bits); |
type_bits_valid(type, key_type_name, &bits); |
|
|
if (!quiet) |
if (!quiet) |
printf("Generating public/private %s key pair.\n", key_type_name); |
printf("Generating public/private %s key pair.\n", |
private = key_generate(type, bits); |
key_type_name); |
if (private == NULL) { |
if ((r = sshkey_generate(type, bits, &private)) != 0) |
fprintf(stderr, "key_generate failed\n"); |
fatal("key_generate failed"); |
exit(1); |
if ((r = sshkey_from_private(private, &public)) != 0) |
} |
fatal("key_from_private failed: %s\n", ssh_err(r)); |
public = key_from_private(private); |
|
|
|
if (!have_identity) |
if (!have_identity) |
ask_filename(pw, "Enter file in which to save the key"); |
ask_filename(pw, "Enter file in which to save the key"); |
|
|
} |
} |
|
|
/* Save the key with the given passphrase and comment. */ |
/* Save the key with the given passphrase and comment. */ |
if (!key_save_private(private, identity_file, passphrase1, comment, |
if ((r = sshkey_save_private(private, identity_file, passphrase1, |
use_new_format, new_format_cipher, rounds)) { |
comment, use_new_format, new_format_cipher, rounds)) != 0) { |
printf("Saving the key failed: %s.\n", identity_file); |
error("Saving key \"%s\" failed: %s", |
|
identity_file, ssh_err(r)); |
explicit_bzero(passphrase1, strlen(passphrase1)); |
explicit_bzero(passphrase1, strlen(passphrase1)); |
free(passphrase1); |
free(passphrase1); |
exit(1); |
exit(1); |
|
|
free(passphrase1); |
free(passphrase1); |
|
|
/* Clear the private key and the random number generator. */ |
/* Clear the private key and the random number generator. */ |
key_free(private); |
sshkey_free(private); |
|
|
if (!quiet) |
if (!quiet) |
printf("Your identification has been saved in %s.\n", identity_file); |
printf("Your identification has been saved in %s.\n", identity_file); |
|
|
strlcat(identity_file, ".pub", sizeof(identity_file)); |
strlcat(identity_file, ".pub", sizeof(identity_file)); |
fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
if ((fd = open(identity_file, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) |
if (fd == -1) { |
fatal("Unable to save public key to %s: %s", |
printf("Could not save your public key in %s\n", identity_file); |
identity_file, strerror(errno)); |
exit(1); |
if ((f = fdopen(fd, "w")) == NULL) |
} |
fatal("fdopen %s failed: %s", identity_file, strerror(errno)); |
f = fdopen(fd, "w"); |
if ((r = sshkey_write(public, f)) != 0) |
if (f == NULL) { |
error("write key failed: %s", ssh_err(r)); |
printf("fdopen %s failed\n", identity_file); |
|
exit(1); |
|
} |
|
if (!key_write(public, f)) |
|
fprintf(stderr, "write key failed\n"); |
|
fprintf(f, " %s\n", comment); |
fprintf(f, " %s\n", comment); |
fclose(f); |
fclose(f); |
|
|
if (!quiet) { |
if (!quiet) { |
char *fp = key_fingerprint(public, SSH_FP_MD5, SSH_FP_HEX); |
fp = sshkey_fingerprint(public, fingerprint_hash, |
char *ra = key_fingerprint(public, SSH_FP_MD5, |
SSH_FP_DEFAULT); |
|
ra = sshkey_fingerprint(public, fingerprint_hash, |
SSH_FP_RANDOMART); |
SSH_FP_RANDOMART); |
|
if (fp == NULL || ra == NULL) |
|
fatal("sshkey_fingerprint failed"); |
printf("Your public key has been saved in %s.\n", |
printf("Your public key has been saved in %s.\n", |
identity_file); |
identity_file); |
printf("The key fingerprint is:\n"); |
printf("The key fingerprint is:\n"); |
|
|
free(fp); |
free(fp); |
} |
} |
|
|
key_free(public); |
sshkey_free(public); |
exit(0); |
exit(0); |
} |
} |