version 1.49, 2001/03/11 22:33:24 |
version 1.53, 2001/03/26 23:23:24 |
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#include "xmalloc.h" |
#include "xmalloc.h" |
#include "key.h" |
#include "key.h" |
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#include "rsa.h" |
#include "authfile.h" |
#include "authfile.h" |
#include "uuencode.h" |
#include "uuencode.h" |
#include "buffer.h" |
#include "buffer.h" |
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have_identity = 1; |
have_identity = 1; |
} |
} |
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int |
Key * |
try_load_key(char *filename, Key *k) |
try_load_pem_key(char *filename) |
{ |
{ |
int success = 1; |
char *pass; |
if (!load_private_key(filename, "", k, NULL)) { |
Key *prv; |
char *pass = read_passphrase("Enter passphrase: ", 1); |
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if (!load_private_key(filename, pass, k, NULL)) { |
prv = key_load_private(filename, "", NULL); |
success = 0; |
if (prv == NULL) { |
} |
pass = read_passphrase("Enter passphrase: ", 1); |
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prv = key_load_private(filename, pass, NULL); |
memset(pass, 0, strlen(pass)); |
memset(pass, 0, strlen(pass)); |
xfree(pass); |
xfree(pass); |
} |
} |
return success; |
return prv; |
} |
} |
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#define SSH_COM_PUBLIC_BEGIN "---- BEGIN SSH2 PUBLIC KEY ----" |
#define SSH_COM_PUBLIC_BEGIN "---- BEGIN SSH2 PUBLIC KEY ----" |
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void |
void |
do_convert_to_ssh2(struct passwd *pw) |
do_convert_to_ssh2(struct passwd *pw) |
{ |
{ |
Key *k; |
Key *prv; |
int len; |
int len; |
u_char *blob; |
u_char *blob; |
struct stat st; |
struct stat st; |
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perror(identity_file); |
perror(identity_file); |
exit(1); |
exit(1); |
} |
} |
k = key_new(KEY_UNSPEC); |
prv = try_load_pem_key(identity_file); |
if (!try_load_key(identity_file, k)) { |
if (prv == NULL) { |
fprintf(stderr, "load failed\n"); |
fprintf(stderr, "load failed\n"); |
exit(1); |
exit(1); |
} |
} |
key_to_blob(k, &blob, &len); |
key_to_blob(prv, &blob, &len); |
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN); |
fprintf(stdout, "%s\n", SSH_COM_PUBLIC_BEGIN); |
fprintf(stdout, |
fprintf(stdout, |
"Comment: \"%d-bit %s, converted from OpenSSH by %s@%s\"\n", |
"Comment: \"%d-bit %s, converted from OpenSSH by %s@%s\"\n", |
key_size(k), key_type(k), |
key_size(prv), key_type(prv), |
pw->pw_name, hostname); |
pw->pw_name, hostname); |
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); |
key_free(prv); |
xfree(blob); |
xfree(blob); |
exit(0); |
exit(0); |
} |
} |
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{ |
{ |
int bits = buffer_get_int(b); |
int bits = buffer_get_int(b); |
int bytes = (bits + 7) / 8; |
int bytes = (bits + 7) / 8; |
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if (buffer_len(b) < bytes) |
if (buffer_len(b) < bytes) |
fatal("buffer_get_bignum_bits: input buffer too small"); |
fatal("buffer_get_bignum_bits: input buffer too small: " |
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"need %d have %d", bytes, buffer_len(b)); |
BN_bin2bn((u_char *)buffer_ptr(b), bytes, value); |
BN_bin2bn((u_char *)buffer_ptr(b), bytes, value); |
buffer_consume(b, bytes); |
buffer_consume(b, bytes); |
} |
} |
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do_convert_private_ssh2_from_blob(char *blob, int blen) |
do_convert_private_ssh2_from_blob(char *blob, int blen) |
{ |
{ |
Buffer b; |
Buffer b; |
DSA *dsa; |
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Key *key = NULL; |
Key *key = NULL; |
int ignore, magic, rlen; |
int ignore, magic, rlen, ktype; |
char *type, *cipher; |
char *type, *cipher; |
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buffer_init(&b); |
buffer_init(&b); |
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ignore = buffer_get_int(&b); |
ignore = buffer_get_int(&b); |
ignore = buffer_get_int(&b); |
ignore = buffer_get_int(&b); |
ignore = buffer_get_int(&b); |
ignore = buffer_get_int(&b); |
xfree(type); |
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if (strcmp(cipher, "none") != 0) { |
if (strcmp(cipher, "none") != 0) { |
error("unsupported cipher %s", cipher); |
error("unsupported cipher %s", cipher); |
xfree(cipher); |
xfree(cipher); |
buffer_free(&b); |
buffer_free(&b); |
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xfree(type); |
return NULL; |
return NULL; |
} |
} |
xfree(cipher); |
xfree(cipher); |
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key = key_new(KEY_DSA); |
if (strstr(type, "dsa")) { |
dsa = key->dsa; |
ktype = KEY_DSA; |
dsa->priv_key = BN_new(); |
} else if (strstr(type, "rsa")) { |
if (dsa->priv_key == NULL) { |
ktype = KEY_RSA; |
error("alloc priv_key failed"); |
} else { |
key_free(key); |
xfree(type); |
return NULL; |
return NULL; |
} |
} |
buffer_get_bignum_bits(&b, dsa->p); |
key = key_new_private(ktype); |
buffer_get_bignum_bits(&b, dsa->g); |
xfree(type); |
buffer_get_bignum_bits(&b, dsa->q); |
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buffer_get_bignum_bits(&b, dsa->pub_key); |
switch (key->type) { |
buffer_get_bignum_bits(&b, dsa->priv_key); |
case KEY_DSA: |
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buffer_get_bignum_bits(&b, key->dsa->p); |
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buffer_get_bignum_bits(&b, key->dsa->g); |
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buffer_get_bignum_bits(&b, key->dsa->q); |
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buffer_get_bignum_bits(&b, key->dsa->pub_key); |
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buffer_get_bignum_bits(&b, key->dsa->priv_key); |
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break; |
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case KEY_RSA: |
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if (!BN_set_word(key->rsa->e, (u_long) buffer_get_char(&b))) { |
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buffer_free(&b); |
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key_free(key); |
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return NULL; |
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} |
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buffer_get_bignum_bits(&b, key->rsa->d); |
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buffer_get_bignum_bits(&b, key->rsa->n); |
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buffer_get_bignum_bits(&b, key->rsa->iqmp); |
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buffer_get_bignum_bits(&b, key->rsa->q); |
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buffer_get_bignum_bits(&b, key->rsa->p); |
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generate_additional_parameters(key->rsa); |
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break; |
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} |
rlen = buffer_len(&b); |
rlen = buffer_len(&b); |
if(rlen != 0) |
if(rlen != 0) |
error("do_convert_private_ssh2_from_blob: remaining bytes in key blob %d", rlen); |
error("do_convert_private_ssh2_from_blob: " |
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"remaining bytes in key blob %d", rlen); |
buffer_free(&b); |
buffer_free(&b); |
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#ifdef DEBUG_PK |
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{ |
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u_int slen; |
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u_char *sig, data[10] = "abcde12345"; |
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key_sign(key, &sig, &slen, data, sizeof data); |
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key_verify(key, sig, slen, data, sizeof data); |
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free(sig); |
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} |
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#endif |
return key; |
return key; |
} |
} |
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exit(1); |
exit(1); |
} |
} |
ok = private ? |
ok = private ? |
PEM_write_DSAPrivateKey(stdout, k->dsa, NULL, NULL, 0, NULL, NULL) : |
(k->type == KEY_DSA ? |
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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)) : |
key_write(k, stdout); |
key_write(k, stdout); |
if (!ok) { |
if (!ok) { |
fprintf(stderr, "key write failed"); |
fprintf(stderr, "key write failed"); |
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void |
void |
do_print_public(struct passwd *pw) |
do_print_public(struct passwd *pw) |
{ |
{ |
Key *k; |
Key *prv; |
struct stat st; |
struct stat st; |
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if (!have_identity) |
if (!have_identity) |
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perror(identity_file); |
perror(identity_file); |
exit(1); |
exit(1); |
} |
} |
k = key_new(KEY_UNSPEC); |
prv = try_load_pem_key(identity_file); |
if (!try_load_key(identity_file, k)) { |
if (prv == NULL) { |
fprintf(stderr, "load failed\n"); |
fprintf(stderr, "load failed\n"); |
exit(1); |
exit(1); |
} |
} |
if (!key_write(k, stdout)) |
if (!key_write(prv, stdout)) |
fprintf(stderr, "key_write failed"); |
fprintf(stderr, "key_write failed"); |
key_free(k); |
key_free(prv); |
fprintf(stdout, "\n"); |
fprintf(stdout, "\n"); |
exit(0); |
exit(0); |
} |
} |
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FILE *f; |
FILE *f; |
Key *public; |
Key *public; |
char *comment = NULL, *cp, *ep, line[16*1024], *fp; |
char *comment = NULL, *cp, *ep, line[16*1024], *fp; |
int i, skip = 0, num = 1, invalid = 1, success = 0, rep, type; |
int i, skip = 0, num = 1, invalid = 1, rep, fptype; |
struct stat st; |
struct stat st; |
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type = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5; |
fptype = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5; |
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX; |
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX; |
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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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perror(identity_file); |
perror(identity_file); |
exit(1); |
exit(1); |
} |
} |
public = key_new(KEY_RSA1); |
public = key_load_public(identity_file, &comment); |
if (load_public_key(identity_file, public, &comment)) { |
if (public != NULL) { |
success = 1; |
fp = key_fingerprint(public, fptype, rep); |
} else { |
printf("%d %s %s\n", key_size(public), fp, comment); |
key_free(public); |
key_free(public); |
public = key_new(KEY_UNSPEC); |
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if (try_load_public_key(identity_file, public, &comment)) |
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success = 1; |
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else |
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debug("try_load_public_key KEY_UNSPEC failed"); |
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} |
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if (success) { |
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fp = key_fingerprint_ex(public, type, rep); |
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printf("%d %s %s\n", key_size(public), |
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fp, comment); |
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key_free(public); |
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xfree(comment); |
xfree(comment); |
xfree(fp); |
xfree(fp); |
exit(0); |
exit(0); |
} |
} |
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if (comment) |
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xfree(comment); |
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f = fopen(identity_file, "r"); |
f = fopen(identity_file, "r"); |
if (f != NULL) { |
if (f != NULL) { |
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} |
} |
} |
} |
comment = *cp ? cp : comment; |
comment = *cp ? cp : comment; |
fp = key_fingerprint_ex(public, type, rep); |
fp = key_fingerprint(public, fptype, rep); |
printf("%d %s %s\n", key_size(public), fp, |
printf("%d %s %s\n", key_size(public), fp, |
comment ? comment : "no comment"); |
comment ? comment : "no comment"); |
xfree(fp); |
xfree(fp); |
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key_free(public); |
invalid = 0; |
invalid = 0; |
} |
} |
fclose(f); |
fclose(f); |
} |
} |
key_free(public); |
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if (invalid) { |
if (invalid) { |
printf("%s is not a valid key file.\n", identity_file); |
printf("%s is not a valid key file.\n", identity_file); |
exit(1); |
exit(1); |
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char *old_passphrase, *passphrase1, *passphrase2; |
char *old_passphrase, *passphrase1, *passphrase2; |
struct stat st; |
struct stat st; |
Key *private; |
Key *private; |
Key *public; |
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int type = KEY_RSA1; |
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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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perror(identity_file); |
perror(identity_file); |
exit(1); |
exit(1); |
} |
} |
public = key_new(type); |
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if (!load_public_key(identity_file, public, NULL)) { |
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type = KEY_UNSPEC; |
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} else { |
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/* Clear the public key since we are just about to load the whole file. */ |
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key_free(public); |
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} |
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/* Try to load the file with empty passphrase. */ |
/* Try to load the file with empty passphrase. */ |
private = key_new(type); |
private = key_load_private(identity_file, "", &comment); |
if (!load_private_key(identity_file, "", private, &comment)) { |
if (private == NULL) { |
if (identity_passphrase) |
if (identity_passphrase) |
old_passphrase = xstrdup(identity_passphrase); |
old_passphrase = xstrdup(identity_passphrase); |
else |
else |
old_passphrase = read_passphrase("Enter old passphrase: ", 1); |
old_passphrase = read_passphrase("Enter old passphrase: ", 1); |
if (!load_private_key(identity_file, old_passphrase, private, &comment)) { |
private = key_load_private(identity_file, old_passphrase , &comment); |
memset(old_passphrase, 0, strlen(old_passphrase)); |
memset(old_passphrase, 0, strlen(old_passphrase)); |
xfree(old_passphrase); |
xfree(old_passphrase); |
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if (private == NULL) { |
printf("Bad passphrase.\n"); |
printf("Bad passphrase.\n"); |
exit(1); |
exit(1); |
} |
} |
memset(old_passphrase, 0, strlen(old_passphrase)); |
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xfree(old_passphrase); |
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} |
} |
printf("Key has comment '%s'\n", comment); |
printf("Key has comment '%s'\n", comment); |
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} |
} |
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/* Save the file using the new passphrase. */ |
/* Save the file using the new passphrase. */ |
if (!save_private_key(identity_file, passphrase1, private, comment)) { |
if (!key_save_private(private, identity_file, passphrase1, comment)) { |
printf("Saving the key failed: %s: %s.\n", |
printf("Saving the key failed: %s: %s.\n", |
identity_file, strerror(errno)); |
identity_file, strerror(errno)); |
memset(passphrase1, 0, strlen(passphrase1)); |
memset(passphrase1, 0, strlen(passphrase1)); |
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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, *public; |
Key *private; |
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Key *public; |
struct stat st; |
struct stat st; |
FILE *f; |
FILE *f; |
int fd; |
int fd; |
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perror(identity_file); |
perror(identity_file); |
exit(1); |
exit(1); |
} |
} |
/* |
private = key_load_private(identity_file, "", &comment); |
* Try to load the public key from the file the verify that it is |
if (private == NULL) { |
* readable and of the proper format. |
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*/ |
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public = key_new(KEY_RSA1); |
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if (!load_public_key(identity_file, public, NULL)) { |
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printf("%s is not a valid key file.\n", identity_file); |
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printf("Comments are only supported in RSA1 keys\n"); |
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exit(1); |
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} |
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private = key_new(KEY_RSA1); |
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if (load_private_key(identity_file, "", private, &comment)) |
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passphrase = xstrdup(""); |
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else { |
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if (identity_passphrase) |
if (identity_passphrase) |
passphrase = xstrdup(identity_passphrase); |
passphrase = xstrdup(identity_passphrase); |
else if (identity_new_passphrase) |
else if (identity_new_passphrase) |
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else |
else |
passphrase = read_passphrase("Enter passphrase: ", 1); |
passphrase = read_passphrase("Enter passphrase: ", 1); |
/* Try to load using the passphrase. */ |
/* Try to load using the passphrase. */ |
if (!load_private_key(identity_file, passphrase, private, &comment)) { |
private = key_load_private(identity_file, passphrase, &comment); |
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if (private == NULL) { |
memset(passphrase, 0, strlen(passphrase)); |
memset(passphrase, 0, strlen(passphrase)); |
xfree(passphrase); |
xfree(passphrase); |
printf("Bad passphrase.\n"); |
printf("Bad passphrase.\n"); |
exit(1); |
exit(1); |
} |
} |
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} else { |
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passphrase = xstrdup(""); |
} |
} |
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if (private->type != KEY_RSA1) { |
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fprintf(stderr, "Comments are only supported for RSA1 keys.\n"); |
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key_free(private); |
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exit(1); |
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} |
printf("Key now has comment '%s'\n", comment); |
printf("Key now has comment '%s'\n", comment); |
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if (identity_comment) { |
if (identity_comment) { |
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} |
} |
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/* Save the file using the new passphrase. */ |
/* Save the file using the new passphrase. */ |
if (!save_private_key(identity_file, passphrase, private, new_comment)) { |
if (!key_save_private(private, identity_file, passphrase, new_comment)) { |
printf("Saving the key failed: %s: %s.\n", |
printf("Saving the key failed: %s: %s.\n", |
identity_file, strerror(errno)); |
identity_file, strerror(errno)); |
memset(passphrase, 0, strlen(passphrase)); |
memset(passphrase, 0, strlen(passphrase)); |
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} |
} |
memset(passphrase, 0, strlen(passphrase)); |
memset(passphrase, 0, strlen(passphrase)); |
xfree(passphrase); |
xfree(passphrase); |
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public = key_from_private(private); |
key_free(private); |
key_free(private); |
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strlcat(identity_file, ".pub", sizeof(identity_file)); |
strlcat(identity_file, ".pub", sizeof(identity_file)); |
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void |
void |
usage(void) |
usage(void) |
{ |
{ |
printf("Usage: %s [-lpqxXyc] [-t type] [-b bits] [-f file] [-C comment] " |
printf("Usage: %s [-lBpqxXyc] [-t type] [-b bits] [-f file] [-C comment] " |
"[-N new-pass] [-P pass]\n", __progname); |
"[-N new-pass] [-P pass]\n", __progname); |
exit(1); |
exit(1); |
} |
} |
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} |
} |
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/* Save the key with the given passphrase and comment. */ |
/* Save the key with the given passphrase and comment. */ |
if (!save_private_key(identity_file, passphrase1, private, comment)) { |
if (!key_save_private(private, identity_file, passphrase1, comment)) { |
printf("Saving the key failed: %s: %s.\n", |
printf("Saving the key failed: %s: %s.\n", |
identity_file, strerror(errno)); |
identity_file, strerror(errno)); |
memset(passphrase1, 0, strlen(passphrase1)); |
memset(passphrase1, 0, strlen(passphrase1)); |
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fclose(f); |
fclose(f); |
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if (!quiet) { |
if (!quiet) { |
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char *fp = key_fingerprint(public, SSH_FP_MD5, SSH_FP_HEX); |
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"); |
printf("%s %s\n", key_fingerprint(public), comment); |
printf("%s %s\n", fp, comment); |
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xfree(fp); |
} |
} |
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key_free(public); |
key_free(public); |