1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* merge.h - Routines to merge OpenPGP public keys.
*
* Copyright 2002-2005,2007,2011 Jonathan McDowell <noodles@earth.li>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; version 2 of the License.
*
* This program 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 General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __MERGE_H__
#include "keystructs.h"
/**
* compare_packets - Check to see if 2 OpenPGP packets are the same.
* @a: The first packet to compare.
* @b: The second packet to compare.
*
* Takes 2 packets and returns 0 if they are the same, -1 if a is
* less than b, or 1 if a is greater than b.
*/
int compare_packets(struct openpgp_packet *a, struct openpgp_packet *b);
/**
* merge_keys - Takes 2 public keys and merges them.
* @a: The old key. The merged key is returned in this structure.
* @b: The new key. The changed from old to new keys are returned in this
* structure.
*
* This function takes 2 keys and merges them. It then returns the merged
* key in a and the difference between this new key and the original a
* in b (ie newb contains the minimum amount of detail necessary to
* convert olda to newa). The intention is that olda is provided from
* internal storage and oldb from the remote user. newa is then stored in
* internal storage and newb is sent to all our keysync peers.
*/
int merge_keys(struct openpgp_publickey *a, struct openpgp_publickey *b);
/**
* find_packet - Checks to see if an OpenPGP packet exists in a list.
* @packet_list: The list of packets to look in.
* @packet: The packet to look for.
*
* Walks through the packet_list checking to see if the packet given is
* present in it. Returns true if it is.
*/
bool find_packet(struct openpgp_packet_list *packet_list,
struct openpgp_packet *packet);
/**
* get_signed_packet - Gets a signed packet from a list.
* @packet_list: The list of packets to look in.
* @packet: The packet to look for.
*
* Walks through the signedpacket_list looking for the supplied packet and
* returns it if found. Otherwise returns NULL.
*/
struct openpgp_signedpacket_list *find_signed_packet(
struct openpgp_signedpacket_list *packet_list,
struct openpgp_packet *packet);
/**
* merge_packet_sigs - Takes 2 signed packets and merges their sigs.
* @old: The old signed packet.
* @new: The new signed packet.
*
* Takes 2 signed packet list structures and the sigs of the packets on
* the head of these structures. These packets must both be the same and
* the fully merged structure is returned in old and the minimal
* difference to get from old to new in new.
*/
int merge_packet_sigs(struct openpgp_signedpacket_list *old,
struct openpgp_signedpacket_list *new);
#endif
|
