--- /dev/null
+# $OpenBSD: Makefile,v 1.1 2018/07/10 22:12:43 florian Exp $
+
+PROG= ractl
+SRCS= ractl.c parser.c
+
+MAN= ractl.8
+
+CFLAGS+= -Wall
+CFLAGS+= -Wstrict-prototypes -Wmissing-prototypes
+CFLAGS+= -Wmissing-declarations
+CFLAGS+= -Wshadow -Wpointer-arith -Wcast-qual
+CFLAGS+= -Wsign-compare
+CFLAGS+= -I${.CURDIR} -I${.CURDIR}/../rad
+LDADD= -lutil
+DPADD= ${LIBUTIL}
+
+.include <bsd.prog.mk>
--- /dev/null
+/* $OpenBSD: parser.c,v 1.1 2018/07/10 22:12:43 florian Exp $ */
+
+/*
+ * Copyright (c) 2004 Esben Norby <norby@openbsd.org>
+ * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <err.h>
+#include <errno.h>
+#include <event.h>
+#include <imsg.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "rad.h"
+#include "parser.h"
+
+enum token_type {
+ NOTOKEN,
+ ENDTOKEN,
+ KEYWORD
+};
+
+struct token {
+ enum token_type type;
+ const char *keyword;
+ int value;
+ const struct token *next;
+};
+
+static const struct token t_main[];
+static const struct token t_log[];
+
+static const struct token t_main[] = {
+ {KEYWORD, "reload", RELOAD, NULL},
+ {KEYWORD, "log", NONE, t_log},
+ {ENDTOKEN, "", NONE, NULL}
+};
+
+static const struct token t_log[] = {
+ {KEYWORD, "verbose", LOG_VERBOSE, NULL},
+ {KEYWORD, "brief", LOG_BRIEF, NULL},
+ {ENDTOKEN, "", NONE, NULL}
+};
+
+static const struct token *match_token(const char *, const struct token *,
+ struct parse_result *);
+static void show_valid_args(const struct token *);
+
+struct parse_result *
+parse(int argc, char *argv[])
+{
+ static struct parse_result res;
+ const struct token *table = t_main;
+ const struct token *match;
+
+ memset(&res, 0, sizeof(res));
+
+ while (argc >= 0) {
+ if ((match = match_token(argv[0], table, &res)) == NULL) {
+ fprintf(stderr, "valid commands/args:\n");
+ show_valid_args(table);
+ return (NULL);
+ }
+
+ argc--;
+ argv++;
+
+ if (match->type == NOTOKEN || match->next == NULL)
+ break;
+
+ table = match->next;
+ }
+
+ if (argc > 0) {
+ fprintf(stderr, "superfluous argument: %s\n", argv[0]);
+ return (NULL);
+ }
+
+ return (&res);
+}
+
+static const struct token *
+match_token(const char *word, const struct token *table,
+ struct parse_result *res)
+{
+ u_int i, match;
+ const struct token *t = NULL;
+
+ match = 0;
+
+ for (i = 0; table[i].type != ENDTOKEN; i++) {
+ switch (table[i].type) {
+ case NOTOKEN:
+ if (word == NULL || strlen(word) == 0) {
+ match++;
+ t = &table[i];
+ }
+ break;
+ case KEYWORD:
+ if (word != NULL && strncmp(word, table[i].keyword,
+ strlen(word)) == 0) {
+ match++;
+ t = &table[i];
+ if (t->value)
+ res->action = t->value;
+ }
+ break;
+ case ENDTOKEN:
+ break;
+ }
+ }
+
+ if (match != 1) {
+ if (word == NULL)
+ fprintf(stderr, "missing argument:\n");
+ else if (match > 1)
+ fprintf(stderr, "ambiguous argument: %s\n", word);
+ else if (match < 1)
+ fprintf(stderr, "unknown argument: %s\n", word);
+ return (NULL);
+ }
+
+ return (t);
+}
+
+static void
+show_valid_args(const struct token *table)
+{
+ int i;
+
+ for (i = 0; table[i].type != ENDTOKEN; i++) {
+ switch (table[i].type) {
+ case NOTOKEN:
+ fprintf(stderr, " <cr>\n");
+ break;
+ case KEYWORD:
+ fprintf(stderr, " %s\n", table[i].keyword);
+ break;
+ case ENDTOKEN:
+ break;
+ }
+ }
+}
--- /dev/null
+/* $OpenBSD: parser.h,v 1.1 2018/07/10 22:12:43 florian Exp $ */
+
+/*
+ * Copyright (c) 2004 Esben Norby <norby@openbsd.org>
+ * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+enum actions {
+ NONE,
+ LOG_VERBOSE,
+ LOG_BRIEF,
+ RELOAD
+};
+
+struct parse_result {
+ enum actions action;
+};
+
+struct parse_result *parse(int, char *[]);
--- /dev/null
+.\" $OpenBSD: ractl.8,v 1.1 2018/07/10 22:12:43 florian Exp $
+.\"
+.\" Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate: July 10 2018 $
+.Dt RACTL 8
+.Os
+.Sh NAME
+.Nm ractl
+.Nd control the rad daemon
+.Sh SYNOPSIS
+.Nm
+.Op Fl s Ar socket
+.Ar command
+.Op Ar argument ...
+.Sh DESCRIPTION
+The
+.Nm
+program controls the
+.Xr rad 8
+daemon.
+.Pp
+The following options are available:
+.Bl -tag -width Ds
+.It Fl s Ar socket
+Use
+.Ar socket
+instead of the default
+.Pa /var/run/rad.sock
+to communicate with
+.Xr rad 8 .
+.El
+.Pp
+The following commands are available:
+.Bl -tag -width Ds
+.It Cm log brief
+Disable verbose debug logging.
+.It Cm log verbose
+Enable verbose debug logging.
+.It Cm reload
+Reload the configuration file.
+.El
+.Sh FILES
+.Bl -tag -width "/var/run/rad.sockXX" -compact
+.It Pa /var/run/rad.sock
+.Ux Ns -domain
+socket used for communication with
+.Xr rad 8 .
+.El
+.Sh SEE ALSO
+.Xr rad.conf 5 ,
+.Xr rad 8
+.Sh HISTORY
+The
+.Nm
+program first appeared in
+.Ox 6.4 .
--- /dev/null
+/* $OpenBSD: ractl.c,v 1.1 2018/07/10 22:12:43 florian Exp $ */
+
+/*
+ * Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org>
+ * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
+ * Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+
+#include <err.h>
+#include <errno.h>
+#include <event.h>
+#include <imsg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "rad.h"
+#include "frontend.h"
+#include "parser.h"
+
+__dead void usage(void);
+
+struct imsgbuf *ibuf;
+
+__dead void
+usage(void)
+{
+ extern char *__progname;
+
+ fprintf(stderr, "usage: %s [-s socket] command [argument ...]\n",
+ __progname);
+ exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+ struct sockaddr_un sun;
+ struct parse_result *res;
+ struct imsg imsg;
+ int ctl_sock;
+ int done = 0;
+ int n, verbose = 0;
+ int ch;
+ char *sockname;
+
+ sockname = RAD_SOCKET;
+ while ((ch = getopt(argc, argv, "s:")) != -1) {
+ switch (ch) {
+ case 's':
+ sockname = optarg;
+ break;
+ default:
+ usage();
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ /* Parse command line. */
+ if ((res = parse(argc, argv)) == NULL)
+ exit(1);
+
+ /* Connect to control socket. */
+ if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
+ err(1, "socket");
+
+ memset(&sun, 0, sizeof(sun));
+ sun.sun_family = AF_UNIX;
+
+ strlcpy(sun.sun_path, sockname, sizeof(sun.sun_path));
+ if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1)
+ err(1, "connect: %s", sockname);
+
+ if (pledge("stdio", NULL) == -1)
+ err(1, "pledge");
+
+ if ((ibuf = malloc(sizeof(struct imsgbuf))) == NULL)
+ err(1, NULL);
+ imsg_init(ibuf, ctl_sock);
+ done = 0;
+
+ /* Process user request. */
+ switch (res->action) {
+ case LOG_VERBOSE:
+ verbose = 1;
+ /* FALLTHROUGH */
+ case LOG_BRIEF:
+ imsg_compose(ibuf, IMSG_CTL_LOG_VERBOSE, 0, 0, -1,
+ &verbose, sizeof(verbose));
+ printf("logging request sent.\n");
+ done = 1;
+ break;
+ case RELOAD:
+ imsg_compose(ibuf, IMSG_CTL_RELOAD, 0, 0, -1, NULL, 0);
+ printf("reload request sent.\n");
+ done = 1;
+ break;
+ default:
+ usage();
+ }
+
+ while (ibuf->w.queued)
+ if (msgbuf_write(&ibuf->w) <= 0 && errno != EAGAIN)
+ err(1, "write error");
+
+ while (!done) {
+ if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
+ errx(1, "imsg_read error");
+ if (n == 0)
+ errx(1, "pipe closed");
+
+ while (!done) {
+ if ((n = imsg_get(ibuf, &imsg)) == -1)
+ errx(1, "imsg_get error");
+ if (n == 0)
+ break;
+
+ switch (res->action) {
+ default:
+ break;
+ }
+ imsg_free(&imsg);
+ }
+ }
+ close(ctl_sock);
+ free(ibuf);
+
+ return (0);
+}
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