*/
#include "includes.h"
-RCSID("$OpenBSD: ssh-keygen.c,v 1.33 2000/11/12 19:50:38 markus Exp $");
+RCSID("$OpenBSD: ssh-keygen.c,v 1.50 2001/03/12 22:02:02 markus Exp $");
#include <openssl/evp.h>
#include <openssl/pem.h>
-#include <openssl/rsa.h>
-#include <openssl/dsa.h>
-#include "ssh.h"
#include "xmalloc.h"
#include "key.h"
-#include "rsa.h"
#include "authfile.h"
#include "uuencode.h"
-
#include "buffer.h"
#include "bufaux.h"
+#include "pathnames.h"
+#include "log.h"
+#include "readpass.h"
/* Number of bits in the RSA/DSA key. This value can be changed on the command line. */
int bits = 1024;
/* Flag indicating that we just want to see the key fingerprint */
int print_fingerprint = 0;
+int print_bubblebabble = 0;
/* The identity file name, given on the command line or entered by the user. */
char identity_file[1024];
int convert_from_ssh2 = 0;
int print_public = 0;
-/* key type */
-int dsa_mode = 0; /* compat */
-char *key_type_name = NULL;
+/* default to RSA for SSH-1 */
+char *key_type_name = "rsa1";
/* argv0 */
#ifdef HAVE___PROGNAME
extern char *__progname;
-#else /* HAVE___PROGNAME */
-static const char *__progname = "ssh-keygen";
-#endif /* HAVE___PROGNAME */
+#else
+char *__progname;
+#endif
char hostname[MAXHOSTNAMELEN];
ask_filename(struct passwd *pw, const char *prompt)
{
char buf[1024];
- snprintf(identity_file, sizeof(identity_file), "%s/%s",
- pw->pw_dir,
- dsa_mode ? SSH_CLIENT_ID_DSA: SSH_CLIENT_IDENTITY);
- printf("%s (%s): ", prompt, identity_file);
- fflush(stdout);
+ char *name = NULL;
+
+ switch (key_type_from_name(key_type_name)) {
+ case KEY_RSA1:
+ name = _PATH_SSH_CLIENT_IDENTITY;
+ break;
+ case KEY_DSA:
+ name = _PATH_SSH_CLIENT_ID_DSA;
+ break;
+ case KEY_RSA:
+ name = _PATH_SSH_CLIENT_ID_RSA;
+ break;
+ default:
+ fprintf(stderr, "bad key type");
+ exit(1);
+ break;
+ }
+ snprintf(identity_file, sizeof(identity_file), "%s/%s", pw->pw_dir, name);
+ fprintf(stderr, "%s (%s): ", prompt, identity_file);
+ fflush(stderr);
if (fgets(buf, sizeof(buf), stdin) == NULL)
exit(1);
if (strchr(buf, '\n'))
#define SSH_COM_PUBLIC_BEGIN "---- BEGIN 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_KEY_MAGIC 0x3f6ff9eb
+#define SSH_COM_PRIVATE_KEY_MAGIC 0x3f6ff9eb
void
do_convert_to_ssh2(struct passwd *pw)
{
Key *k;
int len;
- unsigned char *blob;
+ u_char *blob;
struct stat st;
if (!have_identity)
int bytes = (bits + 7) / 8;
if (buffer_len(b) < bytes)
fatal("buffer_get_bignum_bits: input buffer too small");
- BN_bin2bn((unsigned char *)buffer_ptr(b), bytes, value);
+ BN_bin2bn((u_char *)buffer_ptr(b), bytes, value);
buffer_consume(b, bytes);
}
*p = '\0';
strlcat(encoded, line, sizeof(encoded));
}
- blen = uudecode(encoded, (unsigned char *)blob, sizeof(blob));
+ blen = uudecode(encoded, (u_char *)blob, sizeof(blob));
if (blen < 0) {
fprintf(stderr, "uudecode failed.\n");
exit(1);
void
do_fingerprint(struct passwd *pw)
{
-
FILE *f;
Key *public;
- char *comment = NULL, *cp, *ep, line[16*1024];
- int i, skip = 0, num = 1, invalid = 1, success = 0;
- unsigned int ignore;
+ char *comment = NULL, *cp, *ep, line[16*1024], *fp;
+ int i, skip = 0, num = 1, invalid = 1, success = 0, rep, type;
struct stat st;
+ type = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5;
+ rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX;
+
if (!have_identity)
ask_filename(pw, "Enter file in which the key is");
if (stat(identity_file, &st) < 0) {
if (try_load_public_key(identity_file, public, &comment))
success = 1;
else
- error("try_load_public_key KEY_UNSPEC failed");
+ debug("try_load_public_key KEY_UNSPEC failed");
}
if (success) {
- printf("%d %s %s\n", key_size(public), key_fingerprint(public), comment);
+ fp = key_fingerprint(public, type, rep);
+ printf("%d %s %s\n", key_size(public),
+ fp, comment);
key_free(public);
xfree(comment);
+ xfree(fp);
exit(0);
}
- /* XXX RSA1 only */
-
- public = key_new(KEY_RSA1);
f = fopen(identity_file, "r");
if (f != NULL) {
while (fgets(line, sizeof(line), f)) {
*cp++ = '\0';
}
ep = cp;
- if (auth_rsa_read_key(&cp, &ignore, public->rsa->e, public->rsa->n)) {
- invalid = 0;
- comment = *cp ? cp : comment;
- printf("%d %s %s\n", key_size(public),
- key_fingerprint(public),
- comment ? comment : "no comment");
+ public = key_new(KEY_RSA1);
+ if (key_read(public, &cp) != 1) {
+ cp = ep;
+ key_free(public);
+ public = key_new(KEY_UNSPEC);
+ if (key_read(public, &cp) != 1) {
+ key_free(public);
+ continue;
+ }
}
+ comment = *cp ? cp : comment;
+ fp = key_fingerprint(public, type, rep);
+ printf("%d %s %s\n", key_size(public), fp,
+ comment ? comment : "no comment");
+ xfree(fp);
+ invalid = 0;
}
fclose(f);
}
void
do_change_comment(struct passwd *pw)
{
- char new_comment[1024], *comment;
- Key *private;
- Key *public;
- char *passphrase;
+ char new_comment[1024], *comment, *passphrase;
+ Key *private, *public;
struct stat st;
FILE *f;
+ int fd;
if (!have_identity)
ask_filename(pw, "Enter file in which the key is");
public = key_new(KEY_RSA1);
if (!load_public_key(identity_file, public, NULL)) {
printf("%s is not a valid key file.\n", identity_file);
+ printf("Comments are only supported in RSA1 keys\n");
exit(1);
}
key_free(private);
strlcat(identity_file, ".pub", sizeof(identity_file));
- f = fopen(identity_file, "w");
- if (!f) {
+ fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644);
+ if (fd == -1) {
printf("Could not save your public key in %s\n", identity_file);
exit(1);
}
+ f = fdopen(fd, "w");
+ if (f == NULL) {
+ printf("fdopen %s failed", identity_file);
+ exit(1);
+ }
if (!key_write(public, f))
fprintf(stderr, "write key failed");
key_free(public);
void
usage(void)
{
- printf("Usage: %s [-lpqxXyc] [-t type] [-b bits] [-f file] [-C comment] [-N new-pass] [-P pass]\n", __progname);
+ printf("Usage: %s [-lpqxXyc] [-t type] [-b bits] [-f file] [-C comment] "
+ "[-N new-pass] [-P pass]\n", __progname);
exit(1);
}
main(int ac, char **av)
{
char dotsshdir[16 * 1024], comment[1024], *passphrase1, *passphrase2;
+ Key *private, *public;
struct passwd *pw;
- int opt;
+ int opt, type, fd;
struct stat st;
FILE *f;
- int type = KEY_RSA1;
- Key *private;
- Key *public;
extern int optind;
extern char *optarg;
+ __progname = get_progname(av[0]);
init_rng();
SSLeay_add_all_algorithms();
exit(1);
}
- while ((opt = getopt(ac, av, "dqpclRxXyb:f:t:P:N:C:")) != EOF) {
+ while ((opt = getopt(ac, av, "dqpclBRxXyb:f:t:P:N:C:")) != -1) {
switch (opt) {
case 'b':
bits = atoi(optarg);
print_fingerprint = 1;
break;
+ case 'B':
+ print_bubblebabble = 1;
+ break;
+
case 'p':
change_passphrase = 1;
break;
case 'd':
key_type_name = "dsa";
- dsa_mode = 1;
break;
case 't':
key_type_name = optarg;
- dsa_mode = (strcmp(optarg, "dsa") == 0);
break;
case '?':
printf("Can only have one of -p and -c.\n");
usage();
}
- if (print_fingerprint)
+ if (print_fingerprint || print_bubblebabble)
do_fingerprint(pw);
if (change_passphrase)
do_change_passphrase(pw);
arc4random_stir();
- if (key_type_name != NULL) {
- type = key_type_from_name(key_type_name);
- if (type == KEY_UNSPEC) {
- fprintf(stderr, "unknown key type %s", key_type_name);
- exit(1);
- }
+ type = key_type_from_name(key_type_name);
+ if (type == KEY_UNSPEC) {
+ fprintf(stderr, "unknown key type %s\n", key_type_name);
+ exit(1);
}
if (!quiet)
- printf("Generating public/private key pair.\n");
+ printf("Generating public/private %s key pair.\n", key_type_name);
private = key_generate(type, bits);
if (private == NULL) {
fprintf(stderr, "key_generate failed");
ask_filename(pw, "Enter file in which to save the key");
/* Create ~/.ssh directory if it doesn\'t already exist. */
- snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", pw->pw_dir, SSH_USER_DIR);
+ snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", pw->pw_dir, _PATH_SSH_USER_DIR);
if (strstr(identity_file, dotsshdir) != NULL &&
stat(dotsshdir, &st) < 0) {
if (mkdir(dotsshdir, 0700) < 0)
printf("Your identification has been saved in %s.\n", identity_file);
strlcat(identity_file, ".pub", sizeof(identity_file));
- f = fopen(identity_file, "w");
- if (!f) {
+ fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644);
+ if (fd == -1) {
printf("Could not save your public key in %s\n", identity_file);
exit(1);
}
+ f = fdopen(fd, "w");
+ if (f == NULL) {
+ printf("fdopen %s failed", identity_file);
+ exit(1);
+ }
if (!key_write(public, f))
fprintf(stderr, "write key failed");
fprintf(f, " %s\n", comment);
fclose(f);
if (!quiet) {
+ char *fp = key_fingerprint(public, SSH_FP_MD5, SSH_FP_HEX);
printf("Your public key has been saved in %s.\n",
identity_file);
printf("The key fingerprint is:\n");
- printf("%s %s\n", key_fingerprint(public), comment);
+ printf("%s %s\n", fp, comment);
+ xfree(fp);
}
key_free(public);
andersk / openssh.git / blobdiff