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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /usr.sbin/eeprom/ophandlers.c
initial import of NetBSD tree
Diffstat (limited to 'usr.sbin/eeprom/ophandlers.c')
-rw-r--r--usr.sbin/eeprom/ophandlers.c258
1 files changed, 258 insertions, 0 deletions
diff --git a/usr.sbin/eeprom/ophandlers.c b/usr.sbin/eeprom/ophandlers.c
new file mode 100644
index 00000000000..f1bd663570b
--- /dev/null
+++ b/usr.sbin/eeprom/ophandlers.c
@@ -0,0 +1,258 @@
+/* $NetBSD: ophandlers.c,v 1.1 1995/07/13 18:17:28 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1995 Jason R. Thorpe.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed for the NetBSD Project
+ * by Jason R. Thorpe.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <machine/eeprom.h>
+#include <machine/openpromio.h>
+
+#include "defs.h"
+
+extern char *path_openprom;
+extern int eval;
+extern int verbose;
+
+static char err_str[BUFSIZE];
+
+static void op_notsupp __P((struct extabent *, struct opiocdesc *, char *));
+
+/*
+ * There are several known fields that I either don't know how to
+ * deal with or require special treatment.
+ */
+static struct extabent opextab[] = {
+ { "security-password", op_notsupp },
+ { "security-mode", op_notsupp },
+ { "oem-logo", op_notsupp },
+ { NULL, op_notsupp },
+};
+
+#define BARF(str1, str2) { \
+ sprintf(err_str, "%s: %s", (str1), (str2)); \
+ ++eval; \
+ return (err_str); \
+};
+
+char *
+op_handler(keyword, arg)
+ char *keyword, *arg;
+{
+ struct opiocdesc opio;
+ struct extabent *ex;
+ char opio_buf[BUFSIZE];
+ int fd, optnode;
+
+ if ((fd = open(path_openprom, arg ? O_RDWR : O_RDONLY, 0640)) < 0)
+ BARF(path_openprom, strerror(errno));
+
+ /* Check to see if it's a special-case keyword. */
+ for (ex = opextab; ex->ex_keyword != NULL; ++ex)
+ if (strcmp(ex->ex_keyword, keyword) == 0)
+ break;
+
+ if (ioctl(fd, OPIOCGETOPTNODE, (char *)&optnode) < 0)
+ BARF("OPIOCGETOPTNODE", strerror(errno));
+
+ bzero(&opio_buf[0], sizeof(opio_buf));
+ bzero(&opio, sizeof(opio));
+ opio.op_nodeid = optnode;
+ opio.op_name = keyword;
+ opio.op_namelen = strlen(opio.op_name);
+
+ if (arg) {
+ if (verbose) {
+ printf("old: ");
+
+ opio.op_buf = &opio_buf[0];
+ opio.op_buflen = sizeof(opio_buf);
+ if (ioctl(fd, OPIOCGET, (char *)&opio) < 0)
+ BARF("OPIOCGET", strerror(errno));
+
+ if (opio.op_buflen <= 0) {
+ printf("nothing available for %s\n");
+ goto out;
+ }
+
+ if (ex->ex_keyword != NULL)
+ (*ex->ex_handler)(ex, &opio, NULL);
+ else
+ printf("%s\n", opio.op_buf);
+ }
+ out:
+ if (ex->ex_keyword != NULL)
+ (*ex->ex_handler)(ex, &opio, arg);
+ else {
+ opio.op_buf = arg;
+ opio.op_buflen = strlen(arg);
+ }
+
+ if (ioctl(fd, OPIOCSET, (char *)&opio) < 0)
+ BARF("invalid keyword", keyword);
+
+ if (verbose) {
+ printf("new: ");
+ if (ex->ex_keyword != NULL)
+ (*ex->ex_handler)(ex, &opio, NULL);
+ else
+ printf("%s\n", opio.op_buf);
+ }
+ } else {
+ opio.op_buf = &opio_buf[0];
+ opio.op_buflen = sizeof(opio_buf);
+ if (ioctl(fd, OPIOCGET, (char *)&opio) < 0)
+ BARF("OPIOCGET", strerror(errno));
+
+ if (opio.op_buflen <= 0) {
+ sprintf(err_str, "nothing available for %s",
+ keyword);
+ return (err_str);
+ }
+
+ if (ex->ex_keyword != NULL)
+ (*ex->ex_handler)(ex, &opio, NULL);
+ else
+ printf("%s=%s\n", keyword, opio.op_buf);
+ }
+
+ (void)close(fd);
+ return (NULL);
+}
+
+/* ARGSUSED */
+static void
+op_notsupp(exent, opiop, arg)
+ struct extabent *exent;
+ struct opiocdesc *opiop;
+ char *arg;
+{
+
+ warnx("property `%s' not yet supported", exent->ex_keyword);
+}
+
+/*
+ * XXX: This code is quite ugly. You have been warned.
+ * (Really! This is the only way I could get it to work!)
+ */
+void
+op_dump()
+{
+ struct opiocdesc opio1, opio2;
+ struct extabent *ex;
+ char buf1[BUFSIZE], buf2[BUFSIZE], buf3[BUFSIZE], buf4[BUFSIZE];
+ int fd, optnode;
+
+ if ((fd = open(path_openprom, O_RDONLY, 0640)) < 0)
+ err(1, "open: %s", path_openprom);
+
+ if (ioctl(fd, OPIOCGETOPTNODE, (char *)&optnode) < 0)
+ err(1, "OPIOCGETOPTNODE");
+
+ bzero(&opio1, sizeof(opio1));
+
+ /* This will grab the first property name from OPIOCNEXTPROP. */
+ bzero(buf1, sizeof(buf1));
+ bzero(buf2, sizeof(buf2));
+
+ opio1.op_nodeid = opio2.op_nodeid = optnode;
+
+ opio1.op_name = buf1;
+ opio1.op_buf = buf2;
+
+ opio2.op_name = buf3;
+ opio2.op_buf = buf4;
+
+ /*
+ * For reference: opio1 is for obtaining the name. Pass the
+ * name of the last property read in op_name, and the next one
+ * will be returned in op_buf. To get the first name, pass
+ * an empty string. There are no more properties when an
+ * empty string is returned.
+ *
+ * opio2 is for obtaining the value associated with that name.
+ * For some crazy reason, it seems as if we need to do all
+ * of that gratuitious zapping and copying. *sigh*
+ */
+ for (;;) {
+ opio1.op_namelen = strlen(opio1.op_name);
+ opio1.op_buflen = sizeof(buf2);
+
+ if (ioctl(fd, OPIOCNEXTPROP, (char *)&opio1) < 0)
+ err(1, "ioctl: OPIOCNEXTPROP");
+
+ /*
+ * The name of the property we wish to get the
+ * value for has been stored in the value field
+ * of opio1. If the length of the name is 0, there
+ * are no more properties left.
+ */
+ sprintf(opio2.op_name, opio1.op_buf);
+ opio2.op_namelen = strlen(opio2.op_name);
+
+ if (opio2.op_namelen == 0) {
+ (void)close(fd);
+ return;
+ }
+
+ bzero(opio2.op_buf, sizeof(buf4));
+ opio2.op_buflen = sizeof(buf4);
+
+ if (ioctl(fd, OPIOCGET, (char *)&opio2) < 0)
+ err(1, "ioctl: OPIOCGET");
+
+ for (ex = opextab; ex->ex_keyword != NULL; ++ex)
+ if (strcmp(ex->ex_keyword, opio2.op_name) == 0)
+ break;
+
+ if (ex->ex_keyword != NULL)
+ (*ex->ex_handler)(ex, &opio2, NULL);
+ else
+ printf("%s=%s\n", opio2.op_name, opio2.op_buf);
+
+ /*
+ * Place the name of the last read value back into
+ * opio1 so that we may obtain the next name.
+ */
+ bzero(opio1.op_name, sizeof(buf1));
+ bzero(opio1.op_buf, sizeof(buf2));
+ sprintf(opio1.op_name, opio2.op_name);
+ }
+ /* NOTREACHED */
+}