version 1.191, 2010/06/22 04:32:06 |
version 1.194, 2010/06/30 07:26:03 |
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char *certflags_command = NULL; |
char *certflags_command = NULL; |
char *certflags_src_addr = NULL; |
char *certflags_src_addr = NULL; |
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/* Dump public key file in format used by real and the original SSH 2 */ |
/* Conversion to/from various formats */ |
int convert_to_ssh2 = 0; |
int convert_to = 0; |
int convert_from_ssh2 = 0; |
int convert_from = 0; |
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enum { |
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FMT_RFC4716, |
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FMT_PKCS8, |
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FMT_PEM |
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} convert_format = FMT_RFC4716; |
int print_public = 0; |
int print_public = 0; |
int print_generic = 0; |
int print_generic = 0; |
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char *key_type_name = NULL; |
char *key_type_name = NULL; |
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/* argv0 */ |
/* argv0 */ |
extern char *__progname; |
extern char *__progname; |
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#define SSH_COM_PRIVATE_KEY_MAGIC 0x3f6ff9eb |
#define SSH_COM_PRIVATE_KEY_MAGIC 0x3f6ff9eb |
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static void |
static void |
do_convert_to_ssh2(struct passwd *pw) |
do_convert_to_ssh2(struct passwd *pw, Key *k) |
{ |
{ |
Key *k; |
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u_int len; |
u_int len; |
u_char *blob; |
u_char *blob; |
char comment[61]; |
char comment[61]; |
struct stat st; |
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if (!have_identity) |
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ask_filename(pw, "Enter file in which the key is"); |
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if (stat(identity_file, &st) < 0) { |
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perror(identity_file); |
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exit(1); |
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} |
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if ((k = key_load_public(identity_file, NULL)) == NULL) { |
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if ((k = load_identity(identity_file)) == NULL) { |
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fprintf(stderr, "load failed\n"); |
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exit(1); |
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} |
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} |
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if (k->type == KEY_RSA1) { |
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fprintf(stderr, "version 1 keys are not supported\n"); |
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exit(1); |
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} |
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if (key_to_blob(k, &blob, &len) <= 0) { |
if (key_to_blob(k, &blob, &len) <= 0) { |
fprintf(stderr, "key_to_blob failed\n"); |
fprintf(stderr, "key_to_blob failed\n"); |
exit(1); |
exit(1); |
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} |
} |
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static void |
static void |
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do_convert_to_pkcs8(Key *k) |
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{ |
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switch (key_type_plain(k->type)) { |
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case KEY_RSA: |
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if (!PEM_write_RSA_PUBKEY(stdout, k->rsa)) |
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fatal("PEM_write_RSA_PUBKEY failed"); |
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break; |
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case KEY_DSA: |
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if (!PEM_write_DSA_PUBKEY(stdout, k->dsa)) |
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fatal("PEM_write_DSA_PUBKEY failed"); |
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break; |
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default: |
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fatal("%s: unsupported key type %s", __func__, key_type(k)); |
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} |
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exit(0); |
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} |
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static void |
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do_convert_to_pem(Key *k) |
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{ |
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switch (key_type_plain(k->type)) { |
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case KEY_RSA: |
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if (!PEM_write_RSAPublicKey(stdout, k->rsa)) |
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fatal("PEM_write_RSAPublicKey failed"); |
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break; |
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#if notyet /* OpenSSH 0.9.8 lacks this function */ |
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case KEY_DSA: |
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if (!PEM_write_DSAPublicKey(stdout, k->dsa)) |
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fatal("PEM_write_DSAPublicKey failed"); |
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break; |
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#endif |
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default: |
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fatal("%s: unsupported key type %s", __func__, key_type(k)); |
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} |
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exit(0); |
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} |
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static void |
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do_convert_to(struct passwd *pw) |
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{ |
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Key *k; |
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struct stat st; |
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if (!have_identity) |
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ask_filename(pw, "Enter file in which the key is"); |
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if (stat(identity_file, &st) < 0) |
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fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
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if ((k = key_load_public(identity_file, NULL)) == NULL) { |
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if ((k = load_identity(identity_file)) == NULL) { |
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fprintf(stderr, "load failed\n"); |
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exit(1); |
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} |
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} |
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if (k->type == KEY_RSA1) { |
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fprintf(stderr, "version 1 keys are not supported\n"); |
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exit(1); |
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} |
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switch (convert_format) { |
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case FMT_RFC4716: |
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do_convert_to_ssh2(pw, k); |
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break; |
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case FMT_PKCS8: |
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do_convert_to_pkcs8(k); |
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break; |
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case FMT_PEM: |
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do_convert_to_pem(k); |
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break; |
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default: |
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fatal("%s: unknown key format %d", __func__, convert_format); |
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} |
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exit(0); |
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} |
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static void |
buffer_get_bignum_bits(Buffer *b, BIGNUM *value) |
buffer_get_bignum_bits(Buffer *b, BIGNUM *value) |
{ |
{ |
u_int bignum_bits = buffer_get_int(b); |
u_int bignum_bits = buffer_get_int(b); |
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} |
} |
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static void |
static void |
do_convert_from_ssh2(struct passwd *pw) |
do_convert_from_ssh2(struct passwd *pw, Key **k, int *private) |
{ |
{ |
Key *k; |
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int blen; |
int blen; |
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]; |
struct stat st; |
int escaped = 0; |
int escaped = 0, private = 0, ok; |
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FILE *fp; |
FILE *fp; |
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if (!have_identity) |
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ask_filename(pw, "Enter file in which the key is"); |
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if (stat(identity_file, &st) < 0) { |
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perror(identity_file); |
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exit(1); |
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} |
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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)); |
encoded[0] = '\0'; |
encoded[0] = '\0'; |
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if (strncmp(line, "----", 4) == 0 || |
if (strncmp(line, "----", 4) == 0 || |
strstr(line, ": ") != NULL) { |
strstr(line, ": ") != NULL) { |
if (strstr(line, SSH_COM_PRIVATE_BEGIN) != NULL) |
if (strstr(line, SSH_COM_PRIVATE_BEGIN) != NULL) |
private = 1; |
*private = 1; |
if (strstr(line, " END ") != NULL) { |
if (strstr(line, " END ") != NULL) { |
break; |
break; |
} |
} |
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fprintf(stderr, "uudecode failed.\n"); |
fprintf(stderr, "uudecode failed.\n"); |
exit(1); |
exit(1); |
} |
} |
k = private ? |
*k = *private ? |
do_convert_private_ssh2_from_blob(blob, blen) : |
do_convert_private_ssh2_from_blob(blob, blen) : |
key_from_blob(blob, blen); |
key_from_blob(blob, blen); |
if (k == NULL) { |
if (*k == NULL) { |
fprintf(stderr, "decode blob failed.\n"); |
fprintf(stderr, "decode blob failed.\n"); |
exit(1); |
exit(1); |
} |
} |
ok = private ? |
fclose(fp); |
(k->type == KEY_DSA ? |
} |
PEM_write_DSAPrivateKey(stdout, k->dsa, NULL, NULL, 0, NULL, NULL) : |
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PEM_write_RSAPrivateKey(stdout, k->rsa, NULL, NULL, 0, NULL, NULL)) : |
static void |
key_write(k, stdout); |
do_convert_from_pkcs8(Key **k, int *private) |
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{ |
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EVP_PKEY *pubkey; |
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FILE *fp; |
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if ((fp = fopen(identity_file, "r")) == NULL) |
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fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
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if ((pubkey = PEM_read_PUBKEY(fp, NULL, NULL, NULL)) == NULL) { |
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fatal("%s: %s is not a recognised public key format", __func__, |
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identity_file); |
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} |
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fclose(fp); |
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switch (EVP_PKEY_type(pubkey->type)) { |
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case EVP_PKEY_RSA: |
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*k = key_new(KEY_UNSPEC); |
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(*k)->type = KEY_RSA; |
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(*k)->rsa = EVP_PKEY_get1_RSA(pubkey); |
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break; |
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case EVP_PKEY_DSA: |
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*k = key_new(KEY_UNSPEC); |
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(*k)->type = KEY_DSA; |
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(*k)->dsa = EVP_PKEY_get1_DSA(pubkey); |
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break; |
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default: |
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fatal("%s: unsupported pubkey type %d", __func__, |
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EVP_PKEY_type(pubkey->type)); |
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} |
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EVP_PKEY_free(pubkey); |
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return; |
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} |
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static void |
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do_convert_from_pem(Key **k, int *private) |
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{ |
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FILE *fp; |
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RSA *rsa; |
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#ifdef notyet |
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DSA *dsa; |
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#endif |
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if ((fp = fopen(identity_file, "r")) == NULL) |
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fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
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if ((rsa = PEM_read_RSAPublicKey(fp, NULL, NULL, NULL)) != NULL) { |
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*k = key_new(KEY_UNSPEC); |
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(*k)->type = KEY_RSA; |
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(*k)->rsa = rsa; |
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fclose(fp); |
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return; |
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} |
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#if notyet /* OpenSSH 0.9.8 lacks this function */ |
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rewind(fp); |
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if ((dsa = PEM_read_DSAPublicKey(fp, NULL, NULL, NULL)) != NULL) { |
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*k = key_new(KEY_UNSPEC); |
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(*k)->type = KEY_DSA; |
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(*k)->dsa = dsa; |
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fclose(fp); |
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return; |
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} |
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#endif |
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fatal("%s: unrecognised raw private key format", __func__); |
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} |
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static void |
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do_convert_from(struct passwd *pw) |
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{ |
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Key *k = NULL; |
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int private = 0, ok; |
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struct stat st; |
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if (!have_identity) |
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ask_filename(pw, "Enter file in which the key is"); |
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if (stat(identity_file, &st) < 0) |
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fatal("%s: %s: %s", __progname, identity_file, strerror(errno)); |
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switch (convert_format) { |
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case FMT_RFC4716: |
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do_convert_from_ssh2(pw, &k, &private); |
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break; |
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case FMT_PKCS8: |
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do_convert_from_pkcs8(&k, &private); |
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break; |
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case FMT_PEM: |
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do_convert_from_pem(&k, &private); |
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break; |
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default: |
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fatal("%s: unknown key format %d", __func__, convert_format); |
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} |
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if (!private) |
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ok = key_write(k, stdout); |
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if (ok) |
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fprintf(stdout, "\n"); |
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else { |
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switch (k->type) { |
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case KEY_DSA: |
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ok = PEM_write_DSAPrivateKey(stdout, k->dsa, NULL, |
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NULL, 0, NULL, NULL); |
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break; |
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case KEY_RSA: |
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ok = PEM_write_RSAPrivateKey(stdout, k->rsa, NULL, |
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NULL, 0, NULL, NULL); |
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break; |
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default: |
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fatal("%s: unsupported key type %s", __func__, |
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key_type(k)); |
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} |
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} |
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if (!ok) { |
if (!ok) { |
fprintf(stderr, "key write failed\n"); |
fprintf(stderr, "key write failed\n"); |
exit(1); |
exit(1); |
} |
} |
key_free(k); |
key_free(k); |
if (!private) |
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fprintf(stdout, "\n"); |
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fclose(fp); |
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exit(0); |
exit(0); |
} |
} |
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} |
} |
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static void |
static void |
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show_options(const Buffer *optbuf, int v00, int in_critical) |
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{ |
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u_char *name, *data; |
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u_int dlen; |
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Buffer options, option; |
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buffer_init(&options); |
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buffer_append(&options, buffer_ptr(optbuf), buffer_len(optbuf)); |
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buffer_init(&option); |
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while (buffer_len(&options) != 0) { |
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name = buffer_get_string(&options, NULL); |
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data = buffer_get_string_ptr(&options, &dlen); |
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buffer_append(&option, data, dlen); |
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printf(" %s", name); |
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if ((v00 || !in_critical) && |
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(strcmp(name, "permit-X11-forwarding") == 0 || |
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strcmp(name, "permit-agent-forwarding") == 0 || |
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strcmp(name, "permit-port-forwarding") == 0 || |
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strcmp(name, "permit-pty") == 0 || |
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strcmp(name, "permit-user-rc") == 0)) |
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printf("\n"); |
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else if ((v00 || in_critical) && |
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(strcmp(name, "force-command") == 0 || |
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strcmp(name, "source-address") == 0)) { |
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data = buffer_get_string(&option, NULL); |
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printf(" %s\n", data); |
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xfree(data); |
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} else { |
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printf(" UNKNOWN OPTION (len %u)\n", |
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buffer_len(&option)); |
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buffer_clear(&option); |
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} |
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xfree(name); |
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if (buffer_len(&option) != 0) |
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fatal("Option corrupt: extra data at end"); |
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} |
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buffer_free(&option); |
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buffer_free(&options); |
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} |
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static void |
do_show_cert(struct passwd *pw) |
do_show_cert(struct passwd *pw) |
{ |
{ |
Key *key; |
Key *key; |
struct stat st; |
struct stat st; |
char *key_fp, *ca_fp; |
char *key_fp, *ca_fp; |
Buffer options, option; |
u_int i, v00; |
u_char *name, *data; |
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u_int i, dlen, v00; |
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if (!have_identity) |
if (!have_identity) |
ask_filename(pw, "Enter file in which the key is"); |
ask_filename(pw, "Enter file in which the key is"); |
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printf("(none)\n"); |
printf("(none)\n"); |
else { |
else { |
printf("\n"); |
printf("\n"); |
buffer_init(&options); |
show_options(&key->cert->critical, v00, 1); |
buffer_append(&options, |
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buffer_ptr(&key->cert->critical), |
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buffer_len(&key->cert->critical)); |
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buffer_init(&option); |
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while (buffer_len(&options) != 0) { |
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name = buffer_get_string(&options, NULL); |
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data = buffer_get_string_ptr(&options, &dlen); |
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buffer_append(&option, data, dlen); |
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printf(" %s", name); |
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if (strcmp(name, "permit-X11-forwarding") == 0 || |
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strcmp(name, "permit-agent-forwarding") == 0 || |
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strcmp(name, "permit-port-forwarding") == 0 || |
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strcmp(name, "permit-pty") == 0 || |
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strcmp(name, "permit-user-rc") == 0) |
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printf("\n"); |
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else if (strcmp(name, "force-command") == 0 || |
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strcmp(name, "source-address") == 0) { |
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data = buffer_get_string(&option, NULL); |
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printf(" %s\n", data); |
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xfree(data); |
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} else { |
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printf(" UNKNOWN OPTION (len %u)\n", |
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buffer_len(&option)); |
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buffer_clear(&option); |
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} |
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xfree(name); |
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if (buffer_len(&option) != 0) |
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fatal("Option corrupt: extra data at end"); |
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} |
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buffer_free(&option); |
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buffer_free(&options); |
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} |
} |
if (!v00) { |
if (!v00) { |
printf(" Extensions: "); |
printf(" Extensions: "); |
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printf("(none)\n"); |
printf("(none)\n"); |
else { |
else { |
printf("\n"); |
printf("\n"); |
buffer_init(&options); |
show_options(&key->cert->extensions, v00, 0); |
buffer_append(&options, |
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buffer_ptr(&key->cert->extensions), |
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buffer_len(&key->cert->extensions)); |
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buffer_init(&option); |
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while (buffer_len(&options) != 0) { |
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name = buffer_get_string(&options, NULL); |
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(void)buffer_get_string_ptr(&options, &dlen); |
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printf(" %s UNKNOWN OPTION " |
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"(len %u)\n", name, dlen); |
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xfree(name); |
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} |
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buffer_free(&option); |
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buffer_free(&options); |
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} |
} |
} |
} |
exit(0); |
exit(0); |
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#ifdef ENABLE_PKCS11 |
#ifdef ENABLE_PKCS11 |
fprintf(stderr, " -D pkcs11 Download public key from pkcs11 token.\n"); |
fprintf(stderr, " -D pkcs11 Download public key from pkcs11 token.\n"); |
#endif |
#endif |
fprintf(stderr, " -e Convert OpenSSH to RFC 4716 key file.\n"); |
fprintf(stderr, " -e Export OpenSSH to foreign format key file.\n"); |
fprintf(stderr, " -F hostname Find hostname in known hosts file.\n"); |
fprintf(stderr, " -F hostname Find hostname in known hosts file.\n"); |
fprintf(stderr, " -f filename Filename of the key file.\n"); |
fprintf(stderr, " -f filename Filename of the key file.\n"); |
fprintf(stderr, " -G file Generate candidates for DH-GEX moduli.\n"); |
fprintf(stderr, " -G file Generate candidates for DH-GEX moduli.\n"); |
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fprintf(stderr, " -H Hash names in known_hosts file.\n"); |
fprintf(stderr, " -H Hash names in known_hosts file.\n"); |
fprintf(stderr, " -h Generate host certificate instead of a user certificate.\n"); |
fprintf(stderr, " -h Generate host certificate instead of a user certificate.\n"); |
fprintf(stderr, " -I key_id Key identifier to include in certificate.\n"); |
fprintf(stderr, " -I key_id Key identifier to include in certificate.\n"); |
fprintf(stderr, " -i Convert RFC 4716 to OpenSSH key file.\n"); |
fprintf(stderr, " -i Import foreign format to OpenSSH key file.\n"); |
fprintf(stderr, " -L Print the contents of a certificate.\n"); |
fprintf(stderr, " -L Print the contents of a certificate.\n"); |
fprintf(stderr, " -l Show fingerprint of key file.\n"); |
fprintf(stderr, " -l Show fingerprint of key file.\n"); |
fprintf(stderr, " -M memory Amount of memory (MB) to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -M memory Amount of memory (MB) to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -n name,... User/host principal names to include in certificate\n"); |
fprintf(stderr, " -m key_fmt Conversion format for -e/-i (PEM|PKCS8|RFC4716).\n"); |
fprintf(stderr, " -N phrase Provide new passphrase.\n"); |
fprintf(stderr, " -N phrase Provide new passphrase.\n"); |
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fprintf(stderr, " -n name,... User/host principal names to include in certificate\n"); |
fprintf(stderr, " -O option Specify a certificate option.\n"); |
fprintf(stderr, " -O option Specify a certificate option.\n"); |
fprintf(stderr, " -P phrase Provide old passphrase.\n"); |
fprintf(stderr, " -P phrase Provide old passphrase.\n"); |
fprintf(stderr, " -p Change passphrase of private key file.\n"); |
fprintf(stderr, " -p Change passphrase of private key file.\n"); |
fprintf(stderr, " -q Quiet.\n"); |
fprintf(stderr, " -q Quiet.\n"); |
fprintf(stderr, " -R hostname Remove host from known_hosts file.\n"); |
fprintf(stderr, " -R hostname Remove host from known_hosts file.\n"); |
fprintf(stderr, " -r hostname Print DNS resource record.\n"); |
fprintf(stderr, " -r hostname Print DNS resource record.\n"); |
fprintf(stderr, " -s ca_key Certify keys with CA key.\n"); |
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fprintf(stderr, " -S start Start point (hex) for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -S start Start point (hex) for generating DH-GEX moduli.\n"); |
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fprintf(stderr, " -s ca_key Certify keys with CA key.\n"); |
fprintf(stderr, " -T file Screen candidates for DH-GEX moduli.\n"); |
fprintf(stderr, " -T file Screen candidates for DH-GEX moduli.\n"); |
fprintf(stderr, " -t type Specify type of key to create.\n"); |
fprintf(stderr, " -t type Specify type of key to create.\n"); |
fprintf(stderr, " -V from:to Specify certificate validity interval.\n"); |
fprintf(stderr, " -V from:to Specify certificate validity interval.\n"); |
|
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exit(1); |
exit(1); |
} |
} |
|
|
while ((opt = getopt(argc, argv, "degiqpclBHLhvxXyF:b:f:t:D:I:P:N:n:" |
while ((opt = getopt(argc, argv, "degiqpclBHLhvxXyF:b:f:t:D:I:P:m:N:n:" |
"O:C:r:g:R:T:G:M:S:s:a:V:W:z:")) != -1) { |
"O:C:r:g:R:T:G:M:S:s:a:V:W:z:")) != -1) { |
switch (opt) { |
switch (opt) { |
case 'b': |
case 'b': |
|
|
case 'B': |
case 'B': |
print_bubblebabble = 1; |
print_bubblebabble = 1; |
break; |
break; |
|
case 'm': |
|
if (strcasecmp(optarg, "RFC4716") == 0 || |
|
strcasecmp(optarg, "ssh2") == 0) { |
|
convert_format = FMT_RFC4716; |
|
break; |
|
} |
|
if (strcasecmp(optarg, "PKCS8") == 0) { |
|
convert_format = FMT_PKCS8; |
|
break; |
|
} |
|
if (strcasecmp(optarg, "PEM") == 0) { |
|
convert_format = FMT_PEM; |
|
break; |
|
} |
|
fatal("Unsupported conversion format \"%s\"", optarg); |
case 'n': |
case 'n': |
cert_principals = optarg; |
cert_principals = optarg; |
break; |
break; |
|
|
case 'e': |
case 'e': |
case 'x': |
case 'x': |
/* export key */ |
/* export key */ |
convert_to_ssh2 = 1; |
convert_to = 1; |
break; |
break; |
case 'h': |
case 'h': |
cert_key_type = SSH2_CERT_TYPE_HOST; |
cert_key_type = SSH2_CERT_TYPE_HOST; |
|
|
case 'i': |
case 'i': |
case 'X': |
case 'X': |
/* import key */ |
/* import key */ |
convert_from_ssh2 = 1; |
convert_from = 1; |
break; |
break; |
case 'y': |
case 'y': |
print_public = 1; |
print_public = 1; |
|
|
do_change_passphrase(pw); |
do_change_passphrase(pw); |
if (change_comment) |
if (change_comment) |
do_change_comment(pw); |
do_change_comment(pw); |
if (convert_to_ssh2) |
if (convert_to) |
do_convert_to_ssh2(pw); |
do_convert_to(pw); |
if (convert_from_ssh2) |
if (convert_from) |
do_convert_from_ssh2(pw); |
do_convert_from(pw); |
if (print_public) |
if (print_public) |
do_print_public(pw); |
do_print_public(pw); |
if (rr_hostname != NULL) { |
if (rr_hostname != NULL) { |