diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /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.c | 258 |
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 */ +} |