version 1.128.2.1, 2006/02/03 03:01:57 |
version 1.128.2.2, 2006/10/06 03:19:33 |
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/* $OpenBSD$ */ |
/* |
/* |
* Author: Tatu Ylonen <ylo@cs.hut.fi> |
* Author: Tatu Ylonen <ylo@cs.hut.fi> |
* Copyright (c) 1994 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
* Copyright (c) 1994 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
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* called by a name other than "ssh" or "Secure Shell". |
* called by a name other than "ssh" or "Secure Shell". |
*/ |
*/ |
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#include "includes.h" |
#include <sys/types.h> |
RCSID("$OpenBSD$"); |
#include <sys/stat.h> |
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#include <sys/socket.h> |
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#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> |
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#include <fcntl.h> |
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#include <pwd.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include "xmalloc.h" |
#include "xmalloc.h" |
#include "key.h" |
#include "key.h" |
#include "rsa.h" |
#include "rsa.h" |
#include "authfile.h" |
#include "authfile.h" |
#include "uuencode.h" |
#include "uuencode.h" |
#include "buffer.h" |
#include "buffer.h" |
#include "bufaux.h" |
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#include "pathnames.h" |
#include "pathnames.h" |
#include "log.h" |
#include "log.h" |
#include "misc.h" |
#include "misc.h" |
#include "match.h" |
#include "match.h" |
#include "hostfile.h" |
#include "hostfile.h" |
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#include "dns.h" |
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#ifdef SMARTCARD |
#ifdef SMARTCARD |
#include "scard.h" |
#include "scard.h" |
#endif |
#endif |
#include "dns.h" |
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/* Number of bits in the RSA/DSA key. This value can be set on the command line. */ |
/* Number of bits in the RSA/DSA key. This value can be set on the command line. */ |
#define DEFAULT_BITS 2048 |
#define DEFAULT_BITS 2048 |
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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 (key_type_from_name(key_type_name)) { |
case KEY_RSA1: |
case KEY_RSA1: |
name = _PATH_SSH_CLIENT_IDENTITY; |
name = _PATH_SSH_CLIENT_IDENTITY; |
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exit(1); |
exit(1); |
break; |
break; |
} |
} |
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} |
snprintf(identity_file, sizeof(identity_file), "%s/%s", pw->pw_dir, name); |
snprintf(identity_file, sizeof(identity_file), "%s/%s", pw->pw_dir, name); |
fprintf(stderr, "%s (%s): ", prompt, identity_file); |
fprintf(stderr, "%s (%s): ", prompt, identity_file); |
if (fgets(buf, sizeof(buf), stdin) == NULL) |
if (fgets(buf, sizeof(buf), stdin) == NULL) |
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return key; |
return key; |
} |
} |
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static int |
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get_line(FILE *fp, char *line, size_t len) |
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{ |
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int c; |
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size_t pos = 0; |
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line[0] = '\0'; |
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while ((c = fgetc(fp)) != EOF) { |
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if (pos >= len - 1) { |
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fprintf(stderr, "input line too long.\n"); |
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exit(1); |
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} |
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switch (c) { |
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case '\r': |
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c = fgetc(fp); |
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if (c != EOF && c != '\n' && ungetc(c, fp) == EOF) { |
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fprintf(stderr, "unget: %s\n", strerror(errno)); |
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exit(1); |
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} |
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return pos; |
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case '\n': |
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return pos; |
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} |
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line[pos++] = c; |
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line[pos] = '\0'; |
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} |
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if (c == EOF) |
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return -1; |
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return pos; |
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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; |
Key *k; |
int blen; |
int blen; |
u_int len; |
u_int len; |
char line[1024], *p; |
char line[1024]; |
u_char blob[8096]; |
u_char blob[8096]; |
char encoded[8096]; |
char encoded[8096]; |
struct stat st; |
struct stat st; |
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exit(1); |
exit(1); |
} |
} |
encoded[0] = '\0'; |
encoded[0] = '\0'; |
while (fgets(line, sizeof(line), fp)) { |
while ((blen = get_line(fp, line, sizeof(line))) != -1) { |
if (!(p = strchr(line, '\n'))) { |
if (line[blen - 1] == '\\') |
fprintf(stderr, "input line too long.\n"); |
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exit(1); |
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} |
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if (p > line && p[-1] == '\\') |
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escaped++; |
escaped++; |
if (strncmp(line, "----", 4) == 0 || |
if (strncmp(line, "----", 4) == 0 || |
strstr(line, ": ") != NULL) { |
strstr(line, ": ") != NULL) { |
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/* fprintf(stderr, "escaped: %s", line); */ |
/* fprintf(stderr, "escaped: %s", line); */ |
continue; |
continue; |
} |
} |
*p = '\0'; |
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strlcat(encoded, line, sizeof(encoded)); |
strlcat(encoded, line, sizeof(encoded)); |
} |
} |
len = strlen(encoded); |
len = strlen(encoded); |
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xfree(fp); |
xfree(fp); |
exit(0); |
exit(0); |
} |
} |
if (comment) |
if (comment) { |
xfree(comment); |
xfree(comment); |
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comment = NULL; |
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} |
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f = fopen(identity_file, "r"); |
f = fopen(identity_file, "r"); |
if (f != NULL) { |
if (f != NULL) { |
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/* |
/* |
* Print the SSHFP RR. |
* Print the SSHFP RR. |
*/ |
*/ |
static void |
static int |
do_print_resource_record(struct passwd *pw, char *hname) |
do_print_resource_record(struct passwd *pw, char *fname, char *hname) |
{ |
{ |
Key *public; |
Key *public; |
char *comment = NULL; |
char *comment = NULL; |
struct stat st; |
struct stat st; |
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if (!have_identity) |
if (fname == NULL) |
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(fname, &st) < 0) { |
perror(identity_file); |
if (errno == ENOENT) |
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return 0; |
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perror(fname); |
exit(1); |
exit(1); |
} |
} |
public = key_load_public(identity_file, &comment); |
public = key_load_public(fname, &comment); |
if (public != NULL) { |
if (public != NULL) { |
export_dns_rr(hname, public, stdout, print_generic); |
export_dns_rr(hname, public, stdout, print_generic); |
key_free(public); |
key_free(public); |
xfree(comment); |
xfree(comment); |
exit(0); |
return 1; |
} |
} |
if (comment) |
if (comment) |
xfree(comment); |
xfree(comment); |
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printf("failed to read v2 public key from %s.\n", identity_file); |
printf("failed to read v2 public key from %s.\n", fname); |
exit(1); |
exit(1); |
} |
} |
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"degiqpclBHvxXyF:b:f:t:U:D:P:N:C:r:g:R:T:G:M:S:a:W:")) != -1) { |
"degiqpclBHvxXyF:b:f:t:U:D:P:N:C:r:g:R:T:G:M:S:a:W:")) != -1) { |
switch (opt) { |
switch (opt) { |
case 'b': |
case 'b': |
bits = strtonum(optarg, 768, 32768, &errstr); |
bits = (u_int32_t)strtonum(optarg, 768, 32768, &errstr); |
if (errstr) |
if (errstr) |
fatal("Bits has bad value %s (%s)", |
fatal("Bits has bad value %s (%s)", |
optarg, errstr); |
optarg, errstr); |
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break; |
break; |
case 'D': |
case 'D': |
download = 1; |
download = 1; |
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/*FALLTHROUGH*/ |
case 'U': |
case 'U': |
reader_id = optarg; |
reader_id = optarg; |
break; |
break; |
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rr_hostname = optarg; |
rr_hostname = optarg; |
break; |
break; |
case 'W': |
case 'W': |
generator_wanted = strtonum(optarg, 1, UINT_MAX, &errstr); |
generator_wanted = (u_int32_t)strtonum(optarg, 1, |
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UINT_MAX, &errstr); |
if (errstr) |
if (errstr) |
fatal("Desired generator has bad value: %s (%s)", |
fatal("Desired generator has bad value: %s (%s)", |
optarg, errstr); |
optarg, errstr); |
break; |
break; |
case 'a': |
case 'a': |
trials = strtonum(optarg, 1, UINT_MAX, &errstr); |
trials = (u_int32_t)strtonum(optarg, 1, UINT_MAX, &errstr); |
if (errstr) |
if (errstr) |
fatal("Invalid number of trials: %s (%s)", |
fatal("Invalid number of trials: %s (%s)", |
optarg, errstr); |
optarg, errstr); |
break; |
break; |
case 'M': |
case 'M': |
memory = strtonum(optarg, 1, UINT_MAX, &errstr); |
memory = (u_int32_t)strtonum(optarg, 1, UINT_MAX, &errstr); |
if (errstr) { |
if (errstr) { |
fatal("Memory limit is %s: %s", errstr, optarg); |
fatal("Memory limit is %s: %s", errstr, optarg); |
} |
} |
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if (print_public) |
if (print_public) |
do_print_public(pw); |
do_print_public(pw); |
if (rr_hostname != NULL) { |
if (rr_hostname != NULL) { |
do_print_resource_record(pw, rr_hostname); |
unsigned int n = 0; |
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if (have_identity) { |
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n = do_print_resource_record(pw, |
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identity_file, rr_hostname); |
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if (n == 0) { |
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perror(identity_file); |
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exit(1); |
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} |
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exit(0); |
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} else { |
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n += do_print_resource_record(pw, |
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_PATH_HOST_RSA_KEY_FILE, rr_hostname); |
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n += do_print_resource_record(pw, |
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_PATH_HOST_DSA_KEY_FILE, rr_hostname); |
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if (n == 0) |
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fatal("no keys found."); |
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exit(0); |
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} |
} |
} |
if (reader_id != NULL) { |
if (reader_id != NULL) { |
#ifdef SMARTCARD |
#ifdef SMARTCARD |