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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
** Copyright 2001-2003 Double Precision, Inc. See COPYING for
** distribution information.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <courier-unicode.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/wait.h>
#if HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include "gpg.h"
#include "gpglib.h"
#include "numlib/numlib.h"
extern int libmail_gpg_stdin, libmail_gpg_stdout, libmail_gpg_stderr;
extern pid_t libmail_gpg_pid;
/*
** Sign a key.
*/
static int dosignkey(int (*)(const char *, size_t, void *),
const char *cmdstr,
void *);
int libmail_gpg_signkey(const char *gpgdir, const char *signthis, const char *signwith,
int passphrase_fd,
int (*dump_func)(const char *, size_t, void *),
void *voidarg)
{
char *argvec[14];
int rc;
char passphrase_fd_buf[NUMBUFSIZE];
int i;
argvec[0]="gpg";
argvec[1]="--command-fd";
argvec[2]="0";
argvec[3]="--default-key";
argvec[4]=(char *)signwith;
argvec[5]="-q";
argvec[6]="--no-tty";
i=7;
if (passphrase_fd >= 0 && fcntl(passphrase_fd, F_SETFD, 0) >= 0)
{
GPGARGV_PASSPHRASE_FD(argvec, i, passphrase_fd,
passphrase_fd_buf);
#if GPG_REQUIRES_PINENTRY_MODE_OPTION
argvec[i++]="--pinentry-mode";
argvec[i++]="loopback";
#endif
}
argvec[i++]="--sign-key";
argvec[i++]=(char *)signthis;
argvec[i]=0;
if (libmail_gpg_fork(&libmail_gpg_stdin, &libmail_gpg_stdout, NULL, gpgdir, argvec) < 0)
rc= -1;
else
{
int rc2;
char cmdstr[10];
strcpy(cmdstr, "Y\n");
rc=dosignkey(dump_func, cmdstr, voidarg);
rc2=libmail_gpg_cleanup();
if (rc2)
rc=rc2;
}
return (rc);
}
static int dosignkey(int (*dump_func)(const char *, size_t, void *),
const char *cmdstr,
void *voidarg)
{
int rc=libmail_gpg_write( cmdstr, strlen(cmdstr),
dump_func, NULL, NULL, 0, voidarg);
int rc2;
if (rc == 0)
rc=libmail_gpg_read(dump_func, NULL, NULL, 0, voidarg);
rc2=libmail_gpg_cleanup();
if (rc == 0)
rc=rc2;
return (rc);
}
int libmail_gpg_makepassphrasepipe(const char *passphrase,
size_t passphrase_size)
{
int pfd[2];
pid_t p;
if (pipe(pfd) < 0)
return -1;
p=fork();
if (p < 0)
{
close(pfd[0]);
close(pfd[1]);
return -1;
}
if (p == 0)
{
p=fork();
if (p)
_exit(0);
close(pfd[0]);
while (passphrase_size)
{
ssize_t n=write(pfd[1], passphrase, passphrase_size);
if (n < 0)
break;
passphrase += n;
passphrase_size -= n;
}
_exit(0);
}
waitpid(p, NULL, 0);
close(pfd[1]);
return(pfd[0]);
}
|
