libexec is the wrong place for popa3d, since it can be started WITHOUT inetd

1 files changed, 89 insertions, 0 deletions

diff --git a/usr.sbin/popa3d/pop_auth.c b/usr.sbin/popa3d/pop_auth.c
new file mode 100644
index 00000000000..65ea612d0bc
--- /dev/null
+++ b/usr.sbin/popa3d/pop_auth.c
@@ -0,0 +1,89 @@
+/* $OpenBSD: pop_auth.c,v 1.1 2001/08/19 13:05:57 deraadt Exp $ */
+
+/*
+ * AUTHORIZATION state handling.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <syslog.h>
+
+#include "misc.h"
+#include "params.h"
+#include "protocol.h"
+#include "pop_auth.h"
+#if POP_VIRTUAL
+#include "virtual.h"
+#endif
+
+static char *pop_user, *pop_pass;
+
+static int pop_auth_quit(char *params)
+{
+	if (params) return POP_ERROR;
+	return POP_LEAVE;
+}
+
+static int pop_auth_user(char *params)
+{
+	char *user;
+
+	user = pop_get_param(&params);
+	if (!user || pop_user || params) return POP_ERROR;
+	if (!(pop_user = strdup(user))) return POP_CRASH;
+	return POP_OK;
+}
+
+static int pop_auth_pass(char *params)
+{
+	if (!params || !pop_user) return POP_ERROR;
+	if (!(pop_pass = strdup(params))) return POP_CRASH;
+	return POP_STATE;
+}
+
+static struct pop_command pop_auth_commands[] = {
+	{"QUIT", pop_auth_quit},
+	{"USER", pop_auth_user},
+	{"PASS", pop_auth_pass},
+	{NULL}
+};
+
+int do_pop_auth(int channel)
+{
+	pop_init();
+
+	if (pop_reply_ok()) return 1;
+
+	pop_user = NULL;
+	if (pop_handle_state(pop_auth_commands) == POP_STATE) {
+		pop_clean();
+		write_loop(channel, (char *)&pop_buffer, sizeof(pop_buffer));
+		write_loop(channel, pop_user, strlen(pop_user) + 1);
+		write_loop(channel, pop_pass, strlen(pop_pass) + 1);
+		if (close(channel)) return 1;
+	}
+
+	return 0;
+}
+
+void log_pop_auth(int result, char *mailbox)
+{
+	if (result == AUTH_NONE) {
+		syslog(SYSLOG_PRIORITY, "Didn't attempt authentication");
+		return;
+	}
+
+#if POP_VIRTUAL
+	if (virtual_domain) {
+		syslog(SYSLOG_PRIORITY, "Authentication %s for %s@%s",
+			result == AUTH_OK ? "passed" : "failed",
+			mailbox ? mailbox : "UNKNOWN",
+			virtual_domain);
+		return;
+	}
+#endif
+	syslog(SYSLOG_PRIORITY, "Authentication %s for %s",
+		result == AUTH_OK ? "passed" : "failed",
+		mailbox ? mailbox : "UNKNOWN");
+}