/* Allocate a file buffer */
SshFileBuffer ssh_file_buffer_allocate(void)
{
SshFileBuffer r;
r = ssh_xmalloc(sizeof (*r));
ssh_file_buffer_init(r);
return r;
}
Boolean ssh2_find_pgp_secret_key_internal(SshUser uc,
const char *fn,
const char *name,
const char *fingerprint,
SshUInt32 id,
unsigned char **blob,
size_t *blob_len,
char **comment)
{
struct stat st;
SshUserFile uf;
SshFileBuffer fb;
SshPgpPacket pp;
Boolean found;
char *key_comment = NULL;
if (ssh_userfile_stat(ssh_user_uid(uc), fn, &st) < 0)
{
SSH_DEBUG(2, ("file %s does not exist", fn));
return FALSE;
}
if ((uf = ssh_userfile_open(ssh_user_uid(uc), fn, O_RDONLY, 0)) == NULL)
{
SSH_DEBUG(2, ("could not open %s", fn));
return FALSE;
}
ssh_file_buffer_init(&fb);
if (ssh_file_buffer_attach_userfile(&fb, uf) == FALSE)
{
SSH_DEBUG(2, ("could not attach %s userfile to file buffer", fn));
ssh_userfile_close(uf);
ssh_file_buffer_uninit(&fb);
return FALSE;
}
if (fingerprint != NULL)
found = ssh_pgp_find_secret_key_with_fingerprint(&fb,
fingerprint,
&pp,
(comment ?
&key_comment :
NULL));
else if (name != NULL)
found = ssh_pgp_find_secret_key_with_name(&fb,
name,
TRUE,
&pp,
(comment ?
&key_comment :
NULL));
else
found = ssh_pgp_find_secret_key_with_key_id(&fb,
id,
&pp,
(comment ?
&key_comment :
NULL));
ssh_file_buffer_detach(&fb);
ssh_file_buffer_uninit(&fb);
ssh_userfile_close(uf);
if (found == FALSE)
{
SSH_DEBUG(2, ("pgp library didn't find secret key"));
return FALSE;
}
*blob = ssh_xmemdup(pp->data, pp->len);
if (blob_len)
*blob_len = pp->len;
ssh_pgp_packet_free(pp);
if (comment)
*comment = key_comment;
return TRUE;
}
