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/*
** Copyright 2001-2011 Double Precision, Inc. See COPYING for
** distribution information.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <courier-unicode.h>
#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;
/*
** Generate a new key.
*/
static int dogenkey(const char *, const char *, const char *,
int,
int,
unsigned,
char,
const char *passphrase,
int (*)(const char *, size_t, void *),
int (*)(void *),
void *);
int libmail_gpg_genkey(const char *gpgdir,
const char *charset,
const char *name,
const char *addr,
const char *comment,
int skeylen,
int ekeylen,
unsigned expire,
char expire_unit,
const char *passphrase,
int (*dump_func)(const char *, size_t, void *),
int (*timeout_func)(void *),
void *voidarg)
{
char *name_u, *addr_u, *comment_u;
char *argvec[4];
int rc;
name_u=unicode_convert_toutf8(name, charset, NULL);
if (!name_u)
return (-1);
addr_u=unicode_convert_toutf8(addr, charset, NULL);
if (!addr_u)
{
free(name_u);
return (-1);
}
comment_u=unicode_convert_toutf8(comment, charset, NULL);
if (!comment_u)
return (-1);
argvec[0]="gpg";
argvec[1]="--gen-key";
argvec[2]="--batch";
argvec[3]=NULL;
if (libmail_gpg_fork(&libmail_gpg_stdin, &libmail_gpg_stdout, NULL,
gpgdir, argvec) < 0)
rc= -1;
else
{
int rc2;
rc=dogenkey(name_u, addr_u, comment_u,
skeylen, ekeylen, expire, expire_unit,
passphrase,
dump_func, timeout_func, voidarg);
rc2=libmail_gpg_cleanup();
if (rc2)
rc=rc2;
}
free(comment_u);
free(name_u);
free(addr_u);
return (rc);
}
static char *mkcmdbuf(const char *, const char *, const char *,
int,
int,
unsigned,
char, const char *);
static int dogenkey(const char *name, const char *addr, const char *comment,
int skeylen,
int ekeylen,
unsigned expire,
char expire_unit,
const char *passphrase,
int (*dump_func)(const char *, size_t, void *),
int (*timeout_func)(void *),
void *voidarg)
{
char *cmd_buf=mkcmdbuf(name, addr, comment, skeylen, ekeylen,
expire, expire_unit, passphrase);
int rc=libmail_gpg_write(cmd_buf, strlen(cmd_buf), dump_func, NULL,
timeout_func, 5, voidarg);
int rc2;
free(cmd_buf);
if (rc == 0)
rc=libmail_gpg_read(dump_func, NULL, timeout_func, 5, voidarg);
rc2=libmail_gpg_cleanup();
if (rc == 0)
rc=rc2;
return (rc);
}
static char *mkcmdbuf(const char *name, const char *addr, const char *comment,
int skeylen,
int ekeylen,
unsigned expire,
char expire_unit,
const char *passphrase)
{
static const char genkey_cmd[]=
"%s"
"Key-Type: DSA\n"
"Key-Length: %s\n"
"Subkey-Type: ELG-E\n"
"Subkey-Length: %s\n"
"%s%s%s"
"%s%s%s"
"%s%s%s"
"Name-Email: %s\n"
"Expire-Date: %s\n"
"%%commit\n";
static const char namereal1[]="Name-Real: ";
static const char namereal2[]="\n";
static const char comment1[]="Name-Comment: ";
static const char comment2[]="\n";
static const char passphrase1[]="Passphrase: ";
static const char passphrase2[]="\n";
char skl_buf[NUMBUFSIZE];
char kl_buf[NUMBUFSIZE];
char exp_buf[NUMBUFSIZE+1];
char *p;
libmail_str_size_t(skeylen, skl_buf);
libmail_str_size_t(ekeylen, kl_buf);
if (expire == 0)
{
strcpy(exp_buf, "0");
}
else
{
char b[2];
b[0]=expire_unit;
b[1]=0;
strcat(libmail_str_size_t(expire, exp_buf), b);
}
p=malloc(512+strlen(kl_buf)+strlen(skl_buf)+strlen(exp_buf)
+strlen(name)+strlen(addr)+strlen(comment)
+strlen(passphrase));
if (!p)
return (NULL);
while (*comment == ' ' || *comment == '\t')
++comment;
sprintf(p, genkey_cmd,
*passphrase ? "":"%no-protection\n",
skl_buf, kl_buf,
*name ? namereal1:"",
name,
*name ? namereal2:"",
*comment ? comment1:"",
comment,
*comment ? comment2:"",
*passphrase ? passphrase1:"",
passphrase,
*passphrase ? passphrase2:"",
addr, exp_buf);
return (p);
}
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