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Diffstat (limited to 'libexec/rbootd/parseconf.c')
| -rw-r--r-- | libexec/rbootd/parseconf.c | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/libexec/rbootd/parseconf.c b/libexec/rbootd/parseconf.c deleted file mode 100644 index d00436f071c87..0000000000000 --- a/libexec/rbootd/parseconf.c +++ /dev/null @@ -1,359 +0,0 @@ -/* - * Copyright (c) 1988, 1992 The University of Utah and the Center - * for Software Science (CSS). - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * the Center for Software Science of the University of Utah Computer - * Science Department. CSS requests users of this software to return - * to css-dist@cs.utah.edu any improvements that they make and grant - * CSS redistribution rights. - * - * 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 by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. - * - * @(#)parseconf.c 8.1 (Berkeley) 6/4/93 - * - * Utah $Hdr: parseconf.c 3.1 92/07/06$ - * Author: Jeff Forys, University of Utah CSS - */ - -#ifndef lint -static char sccsid[] = "@(#)parseconf.c 8.1 (Berkeley) 6/4/93"; -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/stat.h> - -#include <ctype.h> -#include <dirent.h> -#include <fcntl.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <syslog.h> -#include "defs.h" - -/* -** ParseConfig -- parse the config file into linked list of clients. -** -** Parameters: -** None. -** -** Returns: -** 1 on success, 0 otherwise. -** -** Side Effects: -** - Linked list of clients will be (re)allocated. -** -** Warnings: -** - GetBootFiles() must be called before this routine -** to create a linked list of default boot files. -*/ -int -ParseConfig() -{ - FILE *fp; - CLIENT *client; - u_char *addr; - char line[C_LINELEN]; - register char *cp, *bcp; - register int i, j; - int omask, linecnt = 0; - - if (BootAny) /* ignore config file */ - return(1); - - FreeClients(); /* delete old list of clients */ - - if ((fp = fopen(ConfigFile, "r")) == NULL) { - syslog(LOG_ERR, "ParseConfig: can't open config file (%s)", - ConfigFile); - return(0); - } - - /* - * We've got to block SIGHUP to prevent reconfiguration while - * dealing with the linked list of Clients. This can be done - * when actually linking the new client into the list, but - * this could have unexpected results if the server was HUP'd - * whilst reconfiguring. Hence, it is done here. - */ - omask = sigblock(sigmask(SIGHUP)); - - /* - * GETSTR positions `bcp' at the start of the current token, - * and null terminates it. `cp' is positioned at the start - * of the next token. spaces & commas are separators. - */ -#define GETSTR while (isspace(*cp) || *cp == ',') cp++; \ - bcp = cp; \ - while (*cp && *cp!=',' && !isspace(*cp)) cp++; \ - if (*cp) *cp++ = '\0' - - /* - * For each line, parse it into a new CLIENT struct. - */ - while (fgets(line, C_LINELEN, fp) != NULL) { - linecnt++; /* line counter */ - - if (*line == '\0' || *line == '#') /* ignore comment */ - continue; - - if ((cp = index(line,'#')) != NULL) /* trash comments */ - *cp = '\0'; - - cp = line; /* init `cp' */ - GETSTR; /* get RMP addr */ - if (bcp == cp) /* all delimiters */ - continue; - - /* - * Get an RMP address from a string. Abort on failure. - */ - if ((addr = ParseAddr(bcp)) == NULL) { - syslog(LOG_ERR, - "ParseConfig: line %d: cant parse <%s>", - linecnt, bcp); - continue; - } - - if ((client = NewClient(addr)) == NULL) /* alloc new client */ - continue; - - GETSTR; /* get first file */ - - /* - * If no boot files are spec'd, use the default list. - * Otherwise, validate each file (`bcp') against the - * list of boot-able files. - */ - i = 0; - if (bcp == cp) /* no files spec'd */ - for (; i < C_MAXFILE && BootFiles[i] != NULL; i++) - client->files[i] = BootFiles[i]; - else { - do { - /* - * For each boot file spec'd, make sure it's - * in our list. If so, include a pointer to - * it in the CLIENT's list of boot files. - */ - for (j = 0; ; j++) { - if (j==C_MAXFILE||BootFiles[j]==NULL) { - syslog(LOG_ERR, "ParseConfig: line %d: no boot file (%s)", - linecnt, bcp); - break; - } - if (STREQN(BootFiles[j], bcp)) { - if (i < C_MAXFILE) - client->files[i++] = - BootFiles[j]; - else - syslog(LOG_ERR, "ParseConfig: line %d: too many boot files (%s)", - linecnt, bcp); - break; - } - } - GETSTR; /* get next file */ - } while (bcp != cp); - - /* - * Restricted list of boot files were spec'd, - * however, none of them were found. Since we - * apparently cant let them boot "just anything", - * the entire record is invalidated. - */ - if (i == 0) { - FreeClient(client); - continue; - } - } - - /* - * Link this client into the linked list of clients. - * SIGHUP has already been blocked. - */ - if (Clients) - client->next = Clients; - Clients = client; - } - - (void) fclose(fp); /* close config file */ - - (void) sigsetmask(omask); /* reset signal mask */ - - return(1); /* return success */ -} - -/* -** ParseAddr -- Parse a string containing an RMP address. -** -** This routine is fairly liberal at parsing an RMP address. The -** address must contain 6 octets consisting of between 0 and 2 hex -** chars (upper/lower case) separated by colons. If two colons are -** together (e.g. "::", the octet between them is recorded as being -** zero. Hence, the following addrs are all valid and parse to the -** same thing: -** -** 08:00:09:00:66:ad 8::9:0:66:AD 8::9::66:aD -** -** For clarity, an RMP address is really an Ethernet address, but -** since the HP boot code uses IEEE 802.3, it's really an IEEE -** 802.3 address. Of course, all of these are identical. -** -** Parameters: -** str - string representation of an RMP address. -** -** Returns: -** pointer to a static array of RMP_ADDRLEN bytes. -** -** Side Effects: -** None. -** -** Warnings: -** - The return value points to a static buffer; it must -** be copied if it's to be saved. -** - For speed, we assume a u_char consists of 8 bits. -*/ -u_char * -ParseAddr(str) - char *str; -{ - static u_char addr[RMP_ADDRLEN]; - register char *cp; - register unsigned i; - register int part, subpart; - - bzero((char *)&addr[0], RMP_ADDRLEN); /* zero static buffer */ - - part = subpart = 0; - for (cp = str; *cp; cp++) { - /* - * A colon (`:') must be used to delimit each octet. - */ - if (*cp == ':') { - if (++part == RMP_ADDRLEN) /* too many parts */ - return(NULL); - subpart = 0; - continue; - } - - /* - * Convert hex character to an integer. - */ - if (isdigit(*cp)) - i = *cp - '0'; - else { - i = (isupper(*cp)? tolower(*cp): *cp) - 'a' + 10; - if (i < 10 || i > 15) /* not a hex char */ - return(NULL); - } - - if (subpart++) { - if (subpart > 2) /* too many hex chars */ - return(NULL); - addr[part] <<= 4; - } - addr[part] |= i; - } - - if (part != (RMP_ADDRLEN-1)) /* too few parts */ - return(NULL); - - return(&addr[0]); -} - -/* -** GetBootFiles -- record list of files in current (boot) directory. -** -** Parameters: -** None. -** -** Returns: -** Number of boot files on success, 0 on failure. -** -** Side Effects: -** Strings in `BootFiles' are freed/allocated. -** -** Warnings: -** - After this routine is called, ParseConfig() must be -** called to re-order it's list of boot file pointers. -*/ -int -GetBootFiles() -{ - DIR *dfd; - struct stat statb; - register struct dirent *dp; - register int i; - - /* - * Free the current list of boot files. - */ - for (i = 0; i < C_MAXFILE && BootFiles[i] != NULL; i++) { - FreeStr(BootFiles[i]); - BootFiles[i] = NULL; - } - - /* - * Open current directory to read boot file names. - */ - if ((dfd = opendir(".")) == NULL) { /* open BootDir */ - syslog(LOG_ERR, "GetBootFiles: can't open directory (%s)\n", - BootDir); - return(0); - } - - /* - * Read each boot file name and allocate space for it in the - * list of boot files (BootFiles). All boot files read after - * C_MAXFILE will be ignored. - */ - i = 0; - for (dp = readdir(dfd); dp != NULL; dp = readdir(dfd)) { - if (stat(dp->d_name, &statb) < 0 || - (statb.st_mode & S_IFMT) != S_IFREG) - continue; - if (i == C_MAXFILE) - syslog(LOG_ERR, - "GetBootFiles: too many boot files (%s ignored)", - dp->d_name); - else if ((BootFiles[i] = NewStr(dp->d_name)) != NULL) - i++; - } - - (void) closedir(dfd); /* close BootDir */ - - if (i == 0) /* cant find any boot files */ - syslog(LOG_ERR, "GetBootFiles: no boot files (%s)\n", BootDir); - - return(i); -} |