#include "ssh.h"
#include "misc.h"
-#define PUT_32BIT(cp, value) do { \
- (cp)[3] = (value); \
- (cp)[2] = (value) >> 8; \
- (cp)[1] = (value) >> 16; \
- (cp)[0] = (value) >> 24; } while (0)
-
-#define GET_32BIT(cp) \
- (((unsigned long)(unsigned char)(cp)[0] << 24) | \
- ((unsigned long)(unsigned char)(cp)[1] << 16) | \
- ((unsigned long)(unsigned char)(cp)[2] << 8) | \
- ((unsigned long)(unsigned char)(cp)[3]))
-
#define rsa_signature "SSH PRIVATE KEY FILE FORMAT 1.1\n"
#define BASE64_TOINT(x) ( (x)-'A'<26 ? (x)-'A'+0 :\
if (i < 0)
goto end; /* overran */
- if (pub_only) {
- ret = 1;
- goto end;
- }
-
/* Next, the comment field. */
j = GET_32BIT(buf + i);
i += 4;
}
i += j;
if (commentptr)
- *commentptr = comment;
+ *commentptr = dupstr(comment);
if (key)
key->comment = comment;
+ else
+ sfree(comment);
+
+ if (pub_only) {
+ ret = 1;
+ goto end;
+ }
+
if (!key) {
ret = ciphertype != 0;
*error = NULL;
* exponent, modulus).
*/
int rsakey_pubblob(const Filename *filename, void **blob, int *bloblen,
- const char **errorstr)
+ char **commentptr, const char **errorstr)
{
FILE *fp;
char buf[64];
*/
if (fgets(buf, sizeof(buf), fp) && !strcmp(buf, rsa_signature)) {
memset(&key, 0, sizeof(key));
- if (loadrsakey_main(fp, &key, TRUE, NULL, NULL, &error)) {
+ if (loadrsakey_main(fp, &key, TRUE, commentptr, NULL, &error)) {
*blob = rsa_public_blob(&key, bloblen);
freersakey(&key);
ret = 1;
return ret;
}
-char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm,
- int *pub_blob_len, const char **errorstr)
+unsigned char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm,
+ int *pub_blob_len, char **commentptr,
+ const char **errorstr)
{
FILE *fp;
char header[40], *b;
int public_blob_len;
int i;
const char *error = NULL;
+ char *comment;
public_blob = NULL;
/* Read the Comment header line. */
if (!read_header(fp, header) || 0 != strcmp(header, "Comment"))
goto error;
- if ((b = read_body(fp)) == NULL)
+ if ((comment = read_body(fp)) == NULL)
goto error;
- sfree(b); /* we don't care */
+
+ if (commentptr)
+ *commentptr = comment;
+ else
+ sfree(comment);
/* Read the Public-Lines header line and the public blob. */
if (!read_header(fp, header) || 0 != strcmp(header, "Public-Lines"))
*pub_blob_len = public_blob_len;
if (algorithm)
*algorithm = alg->name;
- return (char *)public_blob;
+ return public_blob;
/*
* Error processing.