2 * Copyright (c) 1999 Marc Espie.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. All advertising materials mentioning features or use of this software
13 * must display the following acknowledgement:
14 * This product includes software developed by Marc Espie for the OpenBSD
17 * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD
21 * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 * $OpenBSD: pgp_sign.c,v 1.1 1999/10/04 21:46:29 espie Exp $
30 * $FreeBSD: src/usr.sbin/pkg_install/sign/pgp_sign.c,v 1.5 2004/06/29 19:06:42 eik Exp $
31 * $DragonFly: src/usr.sbin/pkg_install/sign/Attic/pgp_sign.c,v 1.3 2004/07/30 04:46:14 dillon Exp $
34 #include <sys/types.h>
49 pgpsign(fdin, fdout, userid, envp)
58 argv[argc++] = "+batchmode";
59 argv[argc++] = "+compress=off";
62 argv[argc++] = "-zAthlon";
66 argv[argc++] = (char *)userid;
69 assert(argc <= sizeof argv / sizeof(pchar));
71 if (dup2(fdin, fileno(stdin)) == -1 ||
72 dup2(fdout, fileno(stdout)) == -1 ||
73 execve(PGP, argv, envp) == -1)
77 static struct signature *
79 struct signature *old;
83 n = malloc(sizeof(*n));
85 n->data = malloc(MAXPGPSIGNSIZE);
86 if (n->data == NULL) {
93 memcpy(n->tag, pgptag, sizeof pgptag);
99 retrieve_pgp_signature(filename, sign, userid, envp)
100 const char *filename;
101 struct signature **sign;
105 int topgp[2], frompgp[2];
107 struct mygzip_header h;
110 FILE *orig, *dest, *signin;
111 struct signature *old;
113 orig = fopen(filename, "r");
116 if (gzip_read_header(orig, &h, &old) == GZIP_NOT_GZIP) {
117 warnx("File %s is not a gzip file\n", filename);
122 if (pipe(topgp) == -1) {
126 if (pipe(frompgp) == -1) {
128 (void)close(topgp[0]);
129 (void)close(topgp[1]);
132 switch(pgpid = fork()) {
134 (void)close(topgp[1]);
135 (void)close(frompgp[0]);
136 pgpsign(topgp[0], frompgp[1], userid, envp);
139 (void)close(topgp[0]);
140 (void)close(topgp[1]);
141 (void)close(frompgp[0]);
142 (void)close(frompgp[1]);
146 (void)close(topgp[0]);
147 (void)close(frompgp[1]);
150 dest = fdopen(topgp[1], "w");
152 (void)close(topgp[1]);
153 (void)close(frompgp[0]);
159 if (gzip_write_header(dest, &h, old) == 0)
164 while ((c = fgetc(orig)) != EOF && fputc(c, dest) != EOF)
169 if (fclose(dest) != 0)
172 if (fclose(orig) != 0)
175 signin = fdopen(frompgp[0], "r");
176 if (signin == NULL) {
177 (void)close(frompgp[0]);
179 enum { NONE, FIRST, DONE, COPY} magic = NONE;
182 FILE *out = fopen("dump", "w");
185 if ((*sign = new_pgpsignature(old)) == NULL)
188 while ((c = fgetc(signin)) != EOF && magic != DONE &&
189 (*sign)->length < MAXPGPSIGNSIZE) {
192 (*sign)->data[(*sign)->length++] = c;
193 if ((unsigned char)c == (unsigned char)GZIP_MAGIC0)
197 (*sign)->data[(*sign)->length++] = c;
198 if ((unsigned char)c == (unsigned char)GZIP_MAGIC1)
204 else if ((unsigned char)c != (unsigned char)GZIP_MAGIC0)
215 if ((*sign)->length == MAXPGPSIGNSIZE)
217 (*sign)->length -= 2;
218 sign_fill_tag(*sign);
230 handle_pgp_passphrase()
236 printf("Short-circuiting %s\n", __func__);
239 /* Retrieve the pgp passphrase */
240 p = getpass("Enter passphrase:");
243 * Somewhat kludgy code to get the passphrase to pgp, see
244 * pgp documentation for the gore
250 switch(pid = fork()) {
258 * The child fills the pipe with copies of the passphrase.
259 * Expect violent death when father exits.
261 printf("Child process %d stuffing passphrase in pipe:\n", getpid());
264 (void)write(fd[1], p, strlen(p));
265 (void)write(fd[1], &c, 1);
266 putchar('.'); fflush(stdout);
275 (void)sprintf(buf, "%d", fd[0]);
276 (void)setenv("PGPPASSFD", buf, 1);
277 printf("Parent process PGPPASSFD=%d.\n", fd[0]);