security-and-privacy/gnupg
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Fixed agent access for gpg.

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This commit is contained in:
Werner Koch 2006-10-04 16:45:04 +00:00
parent ecf7ad43f6
commit 8684a78518
42 changed files with 5653 additions and 6027 deletions
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20
common/membuf.c
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@ -42,7 +42,19 @@ init_membuf (membuf_t *mb, int initiallen)
mb->out_of_core = 0;
mb->buf = xtrymalloc (initiallen);
if (!mb->buf)
mb->out_of_core = errno;
mb->out_of_core = errno;
}
/* Same as init_membuf but allocates the buffer in secure memory. */
void
init_membuf_secure (membuf_t *mb, int initiallen)
{
mb->len = 0;
mb->size = initiallen;
mb->out_of_core = 0;
mb->buf = xtrymalloc (initiallen);
if (!mb->buf)
mb->out_of_core = errno;
}
@ -60,7 +72,7 @@ put_membuf (membuf_t *mb, const void *buf, size_t len)
p = xtryrealloc (mb->buf, mb->size);
if (!p)
{
mb->out_of_core = errno;
mb->out_of_core = errno ? errno : ENOMEM;
/* Wipe out what we already accumulated. This is required
in case we are storing sensitive data here. The membuf
API does not provide another way to cleanup after an
@ -84,11 +96,13 @@ get_membuf (membuf_t *mb, size_t *len)
{
xfree (mb->buf);
mb->buf = NULL;
errno = mb->out_of_core;
return NULL;
}
p = mb->buf;
*len = mb->len;
if (len)
*len = mb->len;
mb->buf = NULL;
mb->out_of_core = ENOMEM; /* hack to make sure it won't get reused. */
return p;