1 /*
2 ** Copyright 2001-2003 Double Precision, Inc. See COPYING for
3 ** distribution information.
4 */
5
6 static const char rcsid[]="$Id: sign.c,v 1.4 2003/06/02 23:47:16 mrsam Exp $";
7
8 #include "config.h"
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <string.h>
12 #include <unistd.h>
13 #include <sys/types.h>
14 #include <sys/stat.h>
15 #include <sys/time.h>
16 #if HAVE_FCNTL_H
17 #include <fcntl.h>
18 #endif
19 #include "gpg.h"
20 #include "gpglib.h"
21
22 #include "unicode/unicode.h"
23 #include "numlib/numlib.h"
24
25 extern int libmail_gpg_stdin, libmail_gpg_stdout, libmail_gpg_stderr;
26 extern pid_t libmail_gpg_pid;
27
28
29 /*
30 ** Sign a key.
31 */
32
33 static int dosignkey(int (*)(const char *, size_t, void *),
34 const char *cmdstr,
35 void *);
36
libmail_gpg_signkey(const char * gpgdir,const char * signthis,const char * signwith,int passphrase_fd,int (* dump_func)(const char *,size_t,void *),int trust_level,void * voidarg)37 int libmail_gpg_signkey(const char *gpgdir, const char *signthis, const char *signwith,
38 int passphrase_fd,
39 int (*dump_func)(const char *, size_t, void *),
40 int trust_level,
41 void *voidarg)
42 {
43 char *argvec[12];
44 int rc;
45 char passphrase_fd_buf[NUMBUFSIZE];
46 int i;
47
48 argvec[0]="gpg";
49 argvec[1]="--command-fd";
50 argvec[2]="0";
51 argvec[3]="--default-key";
52 argvec[4]=(char *)signwith;
53 argvec[5]="-q";
54 argvec[6]="--no-tty";
55
56 i=7;
57 if (passphrase_fd >= 0 && fcntl(passphrase_fd, F_SETFD, 0) >= 0)
58 {
59 GPGARGV_PASSPHRASE_FD(argvec, i, passphrase_fd,
60 passphrase_fd_buf);
61 }
62
63 argvec[i++]="--sign-key";
64 argvec[i++]=(char *)signthis;
65 argvec[i]=0;
66
67 if (libmail_gpg_fork(&libmail_gpg_stdin, &libmail_gpg_stdout, NULL, gpgdir, argvec) < 0)
68 rc= -1;
69 else
70 {
71 int rc2;
72
73 char cmdstr[10];
74
75 #if GPG_HAS_CERT_CHECK_LEVEL
76
77 cmdstr[0]='0';
78
79 if (trust_level > 0 && trust_level <= 9)
80 cmdstr[0]='0' + trust_level;
81
82 strcpy(cmdstr+1, "\nY\n");
83
84 #else
85 strcpy(cmdstr, "Y\n");
86 #endif
87
88 rc=dosignkey(dump_func, cmdstr, voidarg);
89 rc2=libmail_gpg_cleanup();
90 if (rc2)
91 rc=rc2;
92 }
93 return (rc);
94 }
95
dosignkey(int (* dump_func)(const char *,size_t,void *),const char * cmdstr,void * voidarg)96 static int dosignkey(int (*dump_func)(const char *, size_t, void *),
97 const char *cmdstr,
98 void *voidarg)
99 {
100 int rc=libmail_gpg_write( cmdstr, strlen(cmdstr),
101 dump_func, NULL, NULL, 0, voidarg);
102 int rc2;
103
104 if (rc == 0)
105 rc=libmail_gpg_read(dump_func, NULL, NULL, 0, voidarg);
106 rc2=libmail_gpg_cleanup();
107 if (rc == 0)
108 rc=rc2;
109 return (rc);
110 }
111