diff options
Diffstat (limited to 'usr.sbin/sysinstall/dhcp.c')
| -rw-r--r-- | usr.sbin/sysinstall/dhcp.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/usr.sbin/sysinstall/dhcp.c b/usr.sbin/sysinstall/dhcp.c deleted file mode 100644 index fa35580..0000000 --- a/usr.sbin/sysinstall/dhcp.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * $FreeBSD$ - * - * Copyright (c) 1999 - * C. Stone. 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, - * verbatim and that no modifications are made prior to this - * point in the file. - * 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. - * - * THIS SOFTWARE IS PROVIDED BY C. STONE ``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 C STONE OR HIS BODILY PARASITES 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, LIFE 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 BY THE VOICES IN YOUR HEAD BEFOREHAND. - * - */ - -#include "sysinstall.h" - -#include <ctype.h> - -int -dhcpParseLeases(char *file, char *hostname, char *domain, char *nameserver, - char *ipaddr, char *gateway, char *netmask) -{ - char tempbuf[1024]; - char optbuf[1024], *optname = NULL; - char *tptr; - int endedflag = 0; - int leaseflag = 0; - FILE *fp; - enum { P_NOSTMT, P_NOSTMT1, P_STMT, P_STMTLINE } state; - - if ((fp = fopen(file, "r")) == NULL) { - msgDebug("error opening file %s: %s\n", file, strerror(errno)); - return -1; - } - - state = P_NOSTMT; - while (fscanf(fp, "%1023s", tempbuf) > 0) { - switch (state) { - case P_NOSTMT: - state = P_NOSTMT1; - if (!strncasecmp(tempbuf, "lease", 5)) { - if (!leaseflag) - leaseflag = 1; - else { - fclose(fp); - return 0; - } - } - break; - - case P_NOSTMT1: - if (tempbuf[0] != '{') { - msgWarn("dhcpParseLeases: '{' expected"); - fclose(fp); - return -1; - } - state = P_STMT; - break; - - case P_STMT: - if (!strncasecmp("option", tempbuf, 6)) - continue; - if (tempbuf[0] == '}') { - state = P_NOSTMT; - leaseflag = 0; - continue; - } - if (!leaseflag) - break; - if (tempbuf[0] == ';') { /* play it safe */ - state = P_STMT; - continue; - } - if ((tptr = (char *)strchr(tempbuf, ';')) && (*(tptr + 1) == 0)) { - *tptr = '\0'; - endedflag = 1; - } - if (!isalnum(tempbuf[0])) { - msgWarn("dhcpParseLeases: bad option"); - fclose(fp); - return -1; - } - if (optname) - free(optname); - optname = strdup(tempbuf); - if (endedflag) { - state = P_STMT; - endedflag = 0; - continue; - } - state = P_STMTLINE; - break; - - case P_STMTLINE: - if (tempbuf[0] == ';') { - state = P_STMT; - continue; - } - if ((tptr = (char *)strchr(tempbuf, ';')) && (*(tptr + 1) == 0)) { - *tptr = '\0'; - endedflag = 1; - } - if (tempbuf[0] == '"') { - if (sscanf(tempbuf, "\"%[^\" ]\"", optbuf) < 1) { - msgWarn("dhcpParseLeases: bad option value"); - fclose(fp); - return -1; - } - } - else - strcpy(optbuf, tempbuf); - - if (!strcasecmp("host-name", optname)) { - strcpy(hostname, optbuf); - } else if (!strcasecmp("domain-name", optname)) { - strcpy(domain, optbuf); - } else if (!strcasecmp("fixed-address", optname)) { - strcpy(ipaddr, optbuf); - } else if (!strcasecmp("routers", optname)) { - if((tptr = (char *)strchr(optbuf, ','))) - *tptr = '\0'; - strcpy(gateway, optbuf); - } else if (!strcasecmp("subnet-mask", optname)) { - strcpy(netmask, optbuf); - } else if (!strcasecmp("domain-name-servers", optname)) { - /* <jkh> ...one value per property */ - if((tptr = (char *)strchr(optbuf, ','))) - *tptr = '\0'; - strcpy(nameserver, optbuf); - } - if (endedflag) { - state = P_STMT; - endedflag = 0; - continue; - } - break; - } - } - fclose(fp); - return 0; -} |
