2 * wrapper functions around the usign executable
3 * Copyright (C) 2018 Daniel Golle <daniel@makrotopia.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 3
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
23 int usign_s(const char *msgfile
, const char *seckeyfile
, const char *sigfile
, bool quiet
) {
26 const char *usign_argv
[16] = {0};
27 unsigned int usign_argc
= 0;
29 usign_argv
[usign_argc
++] = "/usr/bin/usign";
30 usign_argv
[usign_argc
++] = "-S";
31 usign_argv
[usign_argc
++] = "-m";
32 usign_argv
[usign_argc
++] = msgfile
;
33 usign_argv
[usign_argc
++] = "-s";
34 usign_argv
[usign_argc
++] = seckeyfile
;
35 usign_argv
[usign_argc
++] = "-x";
36 usign_argv
[usign_argc
++] = sigfile
;
39 usign_argv
[usign_argc
++] = "-q";
47 if (execv(usign_argv
[0], usign_argv
))
53 waitpid(pid
, &status
, 0);
54 return WEXITSTATUS(status
);
60 static int usign_f(char *fingerprint
, const char *pubkeyfile
, const char *seckeyfile
, const char *sigfile
) {
64 const char *usign_argv
[16] = {0};
65 unsigned int usign_argc
= 0;
70 usign_argv
[usign_argc
++] = "/usr/bin/usign";
71 usign_argv
[usign_argc
++] = "-F";
74 usign_argv
[usign_argc
++] = "-p";
75 usign_argv
[usign_argc
++] = pubkeyfile
;
79 usign_argv
[usign_argc
++] = "-s";
80 usign_argv
[usign_argc
++] = seckeyfile
;
84 usign_argv
[usign_argc
++] = "-x";
85 usign_argv
[usign_argc
++] = sigfile
;
101 if (execv(usign_argv
[0], usign_argv
))
107 waitpid(pid
, &status
, 0);
108 if (fingerprint
&& !WEXITSTATUS(status
)) {
109 memset(fingerprint
, 0, 16);
110 read(fds
[0], fingerprint
, 16);
111 fingerprint
[16] = '\0';
115 return WEXITSTATUS(status
);
121 int usign_f_pubkey(char *fingerprint
, const char *pubkeyfile
) {
122 return usign_f(fingerprint
, pubkeyfile
, NULL
, NULL
);
125 int usign_f_seckey(char *fingerprint
, const char *seckeyfile
) {
126 return usign_f(fingerprint
, NULL
, seckeyfile
, NULL
);
129 int usign_f_sig(char *fingerprint
, const char *sigfile
) {
130 return usign_f(fingerprint
, NULL
, NULL
, sigfile
);
133 int _usign_key_is_revoked(const char *fingerprint
, const char *pubkeydir
) {
135 char rfname
[256] = {0};
137 snprintf(rfname
, sizeof(rfname
)-1, "%s/%s", pubkeydir
, fingerprint
);
138 if (readlink(rfname
, tml
, sizeof(tml
)) > 0 &&
139 !strcmp(tml
, ".revoked.")) {
146 int usign_v(const char *msgfile
, const char *pubkeyfile
,
147 const char *pubkeydir
, const char *sigfile
, bool quiet
) {
150 const char *usign_argv
[16] = {0};
151 unsigned int usign_argc
= 0;
152 char fingerprint
[17];
154 if (usign_f_sig(fingerprint
, sigfile
))
157 if (pubkeydir
&& _usign_key_is_revoked(fingerprint
, pubkeydir
))
160 usign_argv
[usign_argc
++] = "/usr/bin/usign";
161 usign_argv
[usign_argc
++] = "-V";
162 usign_argv
[usign_argc
++] = "-m";
163 usign_argv
[usign_argc
++] = msgfile
;
166 usign_argv
[usign_argc
++] = "-q";
169 usign_argv
[usign_argc
++] = "-p";
170 usign_argv
[usign_argc
++] = pubkeyfile
;
174 usign_argv
[usign_argc
++] = "-P";
175 usign_argv
[usign_argc
++] = pubkeydir
;
179 usign_argv
[usign_argc
++] = "-x";
180 usign_argv
[usign_argc
++] = sigfile
;
189 if (execv(usign_argv
[0], usign_argv
))
195 waitpid(pid
, &status
, 0);
196 return WEXITSTATUS(status
);