1 files changed, 109 insertions, 0 deletions
diff --git a/gpglib/sign.c b/gpglib/sign.c
new file mode 100644
index 0000000..a92a504
--- /dev/null
+++ b/gpglib/sign.c
@@ -0,0 +1,109 @@
+/*
+** 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	<sys/types.h>
+#include	<sys/stat.h>
+#include	<sys/time.h>
+#if HAVE_FCNTL_H
+#include	<fcntl.h>
+#endif
+#include	"gpg.h"
+#include	"gpglib.h"
+
+#include	"unicode/unicode.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 *),
+		int trust_level,
+		void *voidarg)
+{
+	char *argvec[12];
+	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);
+	}
+
+	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];
+
+#if GPG_HAS_CERT_CHECK_LEVEL
+
+		cmdstr[0]='0';
+
+		if (trust_level > 0 && trust_level <= 9)
+			cmdstr[0]='0' + trust_level;
+
+		strcpy(cmdstr+1, "\nY\n");
+
+#else
+		strcpy(cmdstr, "Y\n");
+#endif
+
+		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);
+}