version 1.25.2.4, 2001/03/12 15:44:16 |
version 1.34, 2000/11/15 20:24:43 |
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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 <openssl/rsa.h> |
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#include <openssl/dsa.h> |
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#include "ssh.h" |
#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" |
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#include "buffer.h" |
#include "buffer.h" |
#include "bufaux.h" |
#include "bufaux.h" |
#include "pathnames.h" |
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#include "log.h" |
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#include "readpass.h" |
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/* Number of bits in the RSA/DSA key. This value can be changed on the command line. */ |
/* Number of bits in the RSA/DSA key. This value can be changed on the command line. */ |
int bits = 1024; |
int bits = 1024; |
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int convert_from_ssh2 = 0; |
int convert_from_ssh2 = 0; |
int print_public = 0; |
int print_public = 0; |
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/* default to RSA for SSH-1 */ |
/* key type */ |
char *key_type_name = "rsa1"; |
int dsa_mode = 0; /* compat */ |
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char *key_type_name = NULL; |
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/* argv0 */ |
/* argv0 */ |
extern char *__progname; |
extern char *__progname; |
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ask_filename(struct passwd *pw, const char *prompt) |
ask_filename(struct passwd *pw, const char *prompt) |
{ |
{ |
char buf[1024]; |
char buf[1024]; |
char *name = NULL; |
snprintf(identity_file, sizeof(identity_file), "%s/%s", |
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pw->pw_dir, |
switch (key_type_from_name(key_type_name)) { |
dsa_mode ? SSH_CLIENT_ID_DSA: SSH_CLIENT_IDENTITY); |
case KEY_RSA1: |
printf("%s (%s): ", prompt, identity_file); |
name = _PATH_SSH_CLIENT_IDENTITY; |
fflush(stdout); |
break; |
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case KEY_DSA: |
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name = _PATH_SSH_CLIENT_ID_DSA; |
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break; |
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case KEY_RSA: |
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name = _PATH_SSH_CLIENT_ID_RSA; |
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break; |
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default: |
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fprintf(stderr, "bad key type"); |
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exit(1); |
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break; |
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} |
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snprintf(identity_file, sizeof(identity_file), "%s/%s", pw->pw_dir, name); |
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fprintf(stderr, "%s (%s): ", prompt, identity_file); |
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fflush(stderr); |
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if (fgets(buf, sizeof(buf), stdin) == NULL) |
if (fgets(buf, sizeof(buf), stdin) == NULL) |
exit(1); |
exit(1); |
if (strchr(buf, '\n')) |
if (strchr(buf, '\n')) |
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#define SSH_COM_PUBLIC_BEGIN "---- BEGIN SSH2 PUBLIC KEY ----" |
#define SSH_COM_PUBLIC_BEGIN "---- BEGIN SSH2 PUBLIC KEY ----" |
#define SSH_COM_PUBLIC_END "---- END SSH2 PUBLIC KEY ----" |
#define SSH_COM_PUBLIC_END "---- END SSH2 PUBLIC KEY ----" |
#define SSH_COM_PRIVATE_BEGIN "---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----" |
#define SSH_COM_PRIVATE_BEGIN "---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----" |
#define SSH_COM_PRIVATE_KEY_MAGIC 0x3f6ff9eb |
#define SSH_COM_PRIVATE_KEY_MAGIC 0x3f6ff9eb |
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void |
void |
do_convert_to_ssh2(struct passwd *pw) |
do_convert_to_ssh2(struct passwd *pw) |
{ |
{ |
Key *k; |
Key *k; |
int len; |
int len; |
u_char *blob; |
unsigned char *blob; |
struct stat st; |
struct stat st; |
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if (!have_identity) |
if (!have_identity) |
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int bytes = (bits + 7) / 8; |
int bytes = (bits + 7) / 8; |
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"); |
BN_bin2bn((u_char *)buffer_ptr(b), bytes, value); |
BN_bin2bn((unsigned char *)buffer_ptr(b), bytes, value); |
buffer_consume(b, bytes); |
buffer_consume(b, bytes); |
} |
} |
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*p = '\0'; |
*p = '\0'; |
strlcat(encoded, line, sizeof(encoded)); |
strlcat(encoded, line, sizeof(encoded)); |
} |
} |
blen = uudecode(encoded, (u_char *)blob, sizeof(blob)); |
blen = uudecode(encoded, (unsigned char *)blob, sizeof(blob)); |
if (blen < 0) { |
if (blen < 0) { |
fprintf(stderr, "uudecode failed.\n"); |
fprintf(stderr, "uudecode failed.\n"); |
exit(1); |
exit(1); |
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Key *public; |
Key *public; |
char *comment = NULL, *cp, *ep, line[16*1024]; |
char *comment = NULL, *cp, *ep, line[16*1024]; |
int i, skip = 0, num = 1, invalid = 1, success = 0; |
int i, skip = 0, num = 1, invalid = 1, success = 0; |
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unsigned int ignore; |
struct stat st; |
struct stat st; |
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if (!have_identity) |
if (!have_identity) |
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if (try_load_public_key(identity_file, public, &comment)) |
if (try_load_public_key(identity_file, public, &comment)) |
success = 1; |
success = 1; |
else |
else |
debug("try_load_public_key KEY_UNSPEC failed"); |
error("try_load_public_key KEY_UNSPEC failed"); |
} |
} |
if (success) { |
if (success) { |
printf("%d %s %s\n", key_size(public), key_fingerprint(public), comment); |
printf("%d %s %s\n", key_size(public), key_fingerprint(public), comment); |
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exit(0); |
exit(0); |
} |
} |
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/* XXX RSA1 only */ |
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public = key_new(KEY_RSA1); |
f = fopen(identity_file, "r"); |
f = fopen(identity_file, "r"); |
if (f != NULL) { |
if (f != NULL) { |
while (fgets(line, sizeof(line), f)) { |
while (fgets(line, sizeof(line), f)) { |
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*cp++ = '\0'; |
*cp++ = '\0'; |
} |
} |
ep = cp; |
ep = cp; |
public = key_new(KEY_RSA1); |
if (auth_rsa_read_key(&cp, &ignore, public->rsa->e, public->rsa->n)) { |
if (key_read(public, &cp) != 1) { |
invalid = 0; |
cp = ep; |
comment = *cp ? cp : comment; |
key_free(public); |
printf("%d %s %s\n", key_size(public), |
public = key_new(KEY_UNSPEC); |
key_fingerprint(public), |
if (key_read(public, &cp) != 1) { |
comment ? comment : "no comment"); |
key_free(public); |
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continue; |
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} |
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} |
} |
comment = *cp ? cp : comment; |
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printf("%d %s %s\n", key_size(public), |
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key_fingerprint(public), |
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comment ? comment : "no comment"); |
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invalid = 0; |
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} |
} |
fclose(f); |
fclose(f); |
} |
} |
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public = key_new(KEY_RSA1); |
public = key_new(KEY_RSA1); |
if (!load_public_key(identity_file, public, NULL)) { |
if (!load_public_key(identity_file, public, NULL)) { |
printf("%s is not a valid key file.\n", identity_file); |
printf("%s is not a valid key file.\n", identity_file); |
printf("Comments are only supported in RSA1 keys\n"); |
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exit(1); |
exit(1); |
} |
} |
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{ |
{ |
char dotsshdir[16 * 1024], comment[1024], *passphrase1, *passphrase2; |
char dotsshdir[16 * 1024], comment[1024], *passphrase1, *passphrase2; |
struct passwd *pw; |
struct passwd *pw; |
int opt, type; |
int opt; |
struct stat st; |
struct stat st; |
FILE *f; |
FILE *f; |
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int type = KEY_RSA1; |
Key *private; |
Key *private; |
Key *public; |
Key *public; |
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exit(1); |
exit(1); |
} |
} |
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while ((opt = getopt(ac, av, "dqpclRxXyb:f:t:P:N:C:")) != -1) { |
while ((opt = getopt(ac, av, "dqpclRxXyb:f:t:P:N:C:")) != EOF) { |
switch (opt) { |
switch (opt) { |
case 'b': |
case 'b': |
bits = atoi(optarg); |
bits = atoi(optarg); |
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case 'd': |
case 'd': |
key_type_name = "dsa"; |
key_type_name = "dsa"; |
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dsa_mode = 1; |
break; |
break; |
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case 't': |
case 't': |
key_type_name = optarg; |
key_type_name = optarg; |
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dsa_mode = (strcmp(optarg, "dsa") == 0); |
break; |
break; |
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case '?': |
case '?': |
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arc4random_stir(); |
arc4random_stir(); |
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type = key_type_from_name(key_type_name); |
if (key_type_name != NULL) { |
if (type == KEY_UNSPEC) { |
type = key_type_from_name(key_type_name); |
fprintf(stderr, "unknown key type %s\n", key_type_name); |
if (type == KEY_UNSPEC) { |
exit(1); |
fprintf(stderr, "unknown key type %s\n", key_type_name); |
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exit(1); |
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} |
} |
} |
if (!quiet) |
if (!quiet) |
printf("Generating public/private %s key pair.\n", key_type_name); |
printf("Generating public/private key pair.\n"); |
private = key_generate(type, bits); |
private = key_generate(type, bits); |
if (private == NULL) { |
if (private == NULL) { |
fprintf(stderr, "key_generate failed"); |
fprintf(stderr, "key_generate failed"); |
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ask_filename(pw, "Enter file in which to save the key"); |
ask_filename(pw, "Enter file in which to save the key"); |
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/* Create ~/.ssh directory if it doesn\'t already exist. */ |
/* Create ~/.ssh directory if it doesn\'t already exist. */ |
snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", pw->pw_dir, _PATH_SSH_USER_DIR); |
snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", pw->pw_dir, SSH_USER_DIR); |
if (strstr(identity_file, dotsshdir) != NULL && |
if (strstr(identity_file, dotsshdir) != NULL && |
stat(dotsshdir, &st) < 0) { |
stat(dotsshdir, &st) < 0) { |
if (mkdir(dotsshdir, 0700) < 0) |
if (mkdir(dotsshdir, 0700) < 0) |