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Assorted memory leak fixes on the error code paths.

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These are taken from these commits:

98c52ae * card: Intialize pointer to avoid double free
fc5fac8 * kbx: Avoid uninitialized read
fa0771f * g10: Avoid memory leaks
25aa353 * dirmgr: Avoid double free
33a2362 * agent: Fix memory leaks
e6132bc * sm: Avoid memory leaks and double double-free
2af7bb2 * g10: Fix memory leaks
0d2c1e9 * dirmgr: clean up memory on error code paths

GnuPG-bug-id: 5393
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2021-05-20 14:51:42 +02:00
parent 9d63ba2721
commit b677e2ec98
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
5 changed files with 23 additions and 8 deletions
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25
sm/server.c
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@ -724,8 +724,13 @@ cmd_export (assuan_context_t ctx, char *line)
if (opt_secret)
{
if (!list || !*list->d)
if (!list)
return set_error (GPG_ERR_NO_DATA, "No key given");
if (!*list->d)
{
free_strlist (list);
return set_error (GPG_ERR_NO_DATA, "No key given");
}
if (list->next)
return set_error (GPG_ERR_TOO_MANY, "Only one key allowed");
}
@ -948,17 +953,27 @@ do_listkeys (assuan_context_t ctx, char *line, int mode)
int outfd = translate_sys2libc_fd (assuan_get_output_fd (ctx), 1);
if ( outfd == -1 )
return set_error (GPG_ERR_ASS_NO_OUTPUT, NULL);
{
free_strlist (list);
return set_error (GPG_ERR_ASS_NO_OUTPUT, NULL);
}
fp = es_fdopen_nc (outfd, "w");
if (!fp)
return set_error (gpg_err_code_from_syserror (), "es_fdopen() failed");
{
free_strlist (list);
return set_error (gpg_err_code_from_syserror (),
"es_fdopen() failed");
}
}
else
{
fp = es_fopencookie (ctx, "w", data_line_cookie_functions);
if (!fp)
return set_error (GPG_ERR_ASS_GENERAL,
"error setting up a data stream");
{
free_strlist (list);
return set_error (GPG_ERR_ASS_GENERAL,
"error setting up a data stream");
}
}
ctrl->with_colons = 1;