summaryrefslogtreecommitdiffstats
path: root/libkdenetwork/libgpgme-copy/gpgme/sig-notation.c
diff options
context:
space:
mode:
Diffstat (limited to 'libkdenetwork/libgpgme-copy/gpgme/sig-notation.c')
-rw-r--r--libkdenetwork/libgpgme-copy/gpgme/sig-notation.c260
1 files changed, 0 insertions, 260 deletions
diff --git a/libkdenetwork/libgpgme-copy/gpgme/sig-notation.c b/libkdenetwork/libgpgme-copy/gpgme/sig-notation.c
deleted file mode 100644
index a5558ece8..000000000
--- a/libkdenetwork/libgpgme-copy/gpgme/sig-notation.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/* sig-notation.c - Signature notation data support.
- Copyright (C) 2005 g10 Code GmbH
-
- This file is part of GPGME.
-
- GPGME is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of
- the License, or (at your option) any later version.
-
- GPGME is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
-
-#if HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <assert.h>
-
-#include "gpgme.h"
-#include "util.h"
-#include "context.h"
-#include "ops.h"
-
-
-/* Free the signature notation object and all associated resources.
- The object must already be removed from any linked list as the next
- pointer is ignored. */
-void
-_gpgme_sig_notation_free (gpgme_sig_notation_t notation)
-{
- if (notation->name)
- free (notation->name);
-
- if (notation->value)
- free (notation->value);
-
- free (notation);
-}
-
-
-/* Set the flags of NOTATION to FLAGS. */
-static void
-sig_notation_set_flags (gpgme_sig_notation_t notation,
- gpgme_sig_notation_flags_t flags)
-{
- /* We copy the flags into individual bits to make them easier
- accessible individually for the user. */
- notation->human_readable = flags & GPGME_SIG_NOTATION_HUMAN_READABLE ? 1 : 0;
- notation->critical = flags & GPGME_SIG_NOTATION_CRITICAL ? 1 : 0;
-
- notation->flags = flags;
-}
-
-
-/* Create a new, empty signature notation data object. */
-gpgme_error_t
-_gpgme_sig_notation_create (gpgme_sig_notation_t *notationp,
- const char *name, int name_len,
- const char *value, int value_len,
- gpgme_sig_notation_flags_t flags)
-{
- gpgme_error_t err = 0;
- gpgme_sig_notation_t notation;
-
- /* Currently, we require all notations to be human-readable. */
- if (name && !(flags & GPGME_SIG_NOTATION_HUMAN_READABLE))
- return gpg_error (GPG_ERR_INV_VALUE);
-
- notation = calloc (1, sizeof (*notation));
- if (!notation)
- return gpg_error_from_errno (errno);
-
- /* This is critical. We want to reliably identify policy URLs by
- using a NULL pointer for NAME. So all notations must have a NAME
- string, even if it is empty. */
- if (name)
- {
- /* We add a trailing '\0' for stringification in the good
- case. */
- notation->name = malloc (name_len + 1);
- if (!notation->name)
- {
- err = gpg_error_from_errno (errno);
- goto err;
- }
-
- memcpy (notation->name, name, name_len);
- notation->name[name_len] = '\0';
- notation->name_len = name_len;
- }
-
- if (value)
- {
- /* We add a trailing '\0' for stringification in the good
- case. */
- notation->value = malloc (value_len + 1);
- if (!notation->value)
- {
- err = gpg_error_from_errno (errno);
- goto err;
- }
-
- memcpy (notation->value, value, value_len);
- notation->value[value_len] = '\0';
- notation->value_len = value_len;
- }
-
- sig_notation_set_flags (notation, flags);
-
- *notationp = notation;
- return 0;
-
- err:
- _gpgme_sig_notation_free (notation);
- return err;
-}
-
-
-/* GnuPG subpacket flags. */
-
-/* This subpacket data is part of the hashed data. */
-#define GNUPG_SPK_HASHED 0x01
-
-/* This subpacket is marked critical. */
-#define GNUPG_SPK_CRITICAL 0x02
-
-/* Parse a notation or policy URL subpacket. If the packet type is
- not known, return no error but NULL in NOTATION. */
-gpgme_error_t
-_gpgme_parse_notation (gpgme_sig_notation_t *notationp,
- int type, int pkflags, int len, char *data)
-{
- gpgme_error_t err;
- char *name = NULL;
- int name_len = 0;
- char *value = NULL;
- int value_len = 0;
- gpgme_sig_notation_flags_t flags = 0;
- char *decoded_data;
- unsigned char *bdata;
-
- /* Type 20: Notation data. */
- /* Type 26: Policy URL. */
- if (type != 20 && type != 26)
- {
- *notationp = NULL;
- return 0;
- }
-
- /* A few simple sanity checks. */
- if (len > strlen (data))
- return gpg_error (GPG_ERR_INV_ENGINE);
-
- /* See below for the format of a notation subpacket. It has at
- least four octets of flags and two times two octets of length
- information. */
- if (type == 20 && len < 4 + 2 + 2)
- return gpg_error (GPG_ERR_INV_ENGINE);
-
- err = _gpgme_decode_percent_string (data, &decoded_data, 0, 1);
- if (err)
- return err;
- bdata = (unsigned char *) decoded_data;
-
- /* Flags common to notation data and policy URL. */
- if (pkflags & GNUPG_SPK_CRITICAL)
- flags |= GPGME_SIG_NOTATION_CRITICAL;
-
- /* This information is relevant in parsing multi-octet numbers below:
-
- 3.1. Scalar numbers
-
- Scalar numbers are unsigned, and are always stored in big-endian
- format. Using n[k] to refer to the kth octet being interpreted,
- the value of a two-octet scalar is ((n[0] << 8) + n[1]). The
- value of a four-octet scalar is ((n[0] << 24) + (n[1] << 16) +
- (n[2] << 8) + n[3]).
-
- From RFC2440: OpenPGP Message Format. Copyright (C) The Internet
- Society (1998). All Rights Reserved. */
-#define RFC2440_GET_WORD(chr) ((((int)((unsigned char *)(chr))[0]) << 8) \
- + ((int)((unsigned char *)(chr))[1]))
-
- if (type == 20)
- {
- /* 5.2.3.15. Notation Data
-
- (4 octets of flags, 2 octets of name length (M),
- 2 octets of value length (N), M octets of name data,
- N octets of value data)
-
- [...] The "flags" field holds four octets of flags.
- All undefined flags MUST be zero. Defined flags are:
-
- First octet: 0x80 = human-readable. [...]
- Other octets: none.
-
- From RFC2440: OpenPGP Message Format. Copyright (C) The
- Internet Society (1998). All Rights Reserved. */
-
- int chr;
-
- /* First octet of flags. */
-#define RFC2440_SPK20_FLAG1_HUMAN_READABLE 0x80
-
- chr = *bdata;
- bdata++;
-
- if (chr & RFC2440_SPK20_FLAG1_HUMAN_READABLE)
- flags |= GPGME_SIG_NOTATION_HUMAN_READABLE;
-
- /* The second, third and four octet of flags are unused. */
- bdata++;
- bdata++;
- bdata++;
-
- name_len = RFC2440_GET_WORD (bdata);
- bdata += 2;
-
- value_len = RFC2440_GET_WORD (bdata);
- bdata += 2;
-
- /* Small sanity check. */
- if (4 + 2 + 2 + name_len + value_len > len)
- {
- free (decoded_data);
- return gpg_error (GPG_ERR_INV_ENGINE);
- }
-
- name = (char *) bdata;
- bdata += name_len;
-
- value = (char *) bdata;
- }
- else
- {
- /* Type is 26. */
-
- /* NAME is NULL, name_len is 0. */
-
- value = (char *) bdata;
- value_len = strlen (value);
- }
-
- err = _gpgme_sig_notation_create (notationp, name, name_len,
- value, value_len, flags);
-
- free (decoded_data);
- return err;
-}
generated by cgit v1.2.1 (git 2.18.0) at 2025-01-14 06:07:03 +0000