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);