diff options
Diffstat (limited to 'libexec/bootpd/tools/bootpef/bootpef.c')
-rw-r--r-- | libexec/bootpd/tools/bootpef/bootpef.c | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/libexec/bootpd/tools/bootpef/bootpef.c b/libexec/bootpd/tools/bootpef/bootpef.c new file mode 100644 index 0000000..eb18935 --- /dev/null +++ b/libexec/bootpd/tools/bootpef/bootpef.c @@ -0,0 +1,347 @@ +/************************************************************************ + Copyright 1988, 1991 by Carnegie Mellon University + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, provided +that the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation, and that the name of Carnegie Mellon University not be used +in advertising or publicity pertaining to distribution of the software +without specific, written prior permission. + +CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS +SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. +IN NO EVENT SHALL CMU BE LIABLE FOR ANY SPECIAL, 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. +************************************************************************/ + +#ifndef lint +static char rcsid[] = "$Id: bootpef.c,v 1.1.1.1 1994/09/10 14:44:54 csgr Exp $"; +#endif + + +/* + * bootpef - BOOTP Extension File generator + * Makes an "Extension File" for each host entry that + * defines an and Extension File. (See RFC1497, tag 18.) + * + * HISTORY + * See ./Changes + * + * BUGS + * See ./ToDo + */ + + + +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +#include <sys/types.h> +#include <sys/time.h> + +#include <netinet/in.h> +#include <arpa/inet.h> /* inet_ntoa */ + +#ifndef NO_UNISTD +#include <unistd.h> +#endif +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <ctype.h> +#include <syslog.h> + +#ifndef USE_BFUNCS +#include <memory.h> +/* Yes, memcpy is OK here (no overlapped copies). */ +#define bcopy(a,b,c) memcpy(b,a,c) +#define bzero(p,l) memset(p,0,l) +#define bcmp(a,b,c) memcmp(a,b,c) +#endif + +#include "bootp.h" +#include "hash.h" +#include "hwaddr.h" +#include "bootpd.h" +#include "dovend.h" +#include "readfile.h" +#include "report.h" +#include "tzone.h" +#include "patchlevel.h" + +#define BUFFERSIZE 0x4000 + +#ifndef CONFIG_FILE +#define CONFIG_FILE "/etc/bootptab" +#endif + + + +/* + * Externals, forward declarations, and global variables + */ + +#ifdef __STDC__ +#define P(args) args +#else +#define P(args) () +#endif + +static void dovend_rfc1048 P((struct bootp *, struct host *, int32)); +static void mktagfile P((struct host *)); +static void usage P((void)); + +#undef P + + +/* + * General + */ + +char *progname; +char *chdir_path; +int debug = 0; /* Debugging flag (level) */ +byte *buffer; + +/* + * Globals below are associated with the bootp database file (bootptab). + */ + +char *bootptab = CONFIG_FILE; + + +/* + * Print "usage" message and exit + */ +static void +usage() +{ + fprintf(stderr, + "usage: $s [ -c chdir ] [-d level] [-f configfile] [host...]\n"); + fprintf(stderr, "\t -c n\tset current directory\n"); + fprintf(stderr, "\t -d n\tset debug level\n"); + fprintf(stderr, "\t -f n\tconfig file name\n"); + exit(1); +} + + +/* + * Initialization such as command-line processing is done and then the + * main server loop is started. + */ +void +main(argc, argv) + int argc; + char **argv; +{ + struct host *hp; + char *stmp; + int n; + + progname = strrchr(argv[0], '/'); + if (progname) progname++; + else progname = argv[0]; + + /* Get work space for making tag 18 files. */ + buffer = (byte *) malloc(BUFFERSIZE); + if (!buffer) { + report(LOG_ERR, "malloc failed"); + exit(1); + } + /* + * Set defaults that might be changed by option switches. + */ + stmp = NULL; + + /* + * Read switches. + */ + for (argc--, argv++; argc > 0; argc--, argv++) { + if (argv[0][0] != '-') + break; + switch (argv[0][1]) { + + case 'c': /* chdir_path */ + if (argv[0][2]) { + stmp = &(argv[0][2]); + } else { + argc--; + argv++; + stmp = argv[0]; + } + if (!stmp || (stmp[0] != '/')) { + fprintf(stderr, + "bootpd: invalid chdir specification\n"); + break; + } + chdir_path = stmp; + break; + + case 'd': /* debug */ + if (argv[0][2]) { + stmp = &(argv[0][2]); + } else if (argv[1] && argv[1][0] == '-') { + /* + * Backwards-compatible behavior: + * no parameter, so just increment the debug flag. + */ + debug++; + break; + } else { + argc--; + argv++; + stmp = argv[0]; + } + if (!stmp || (sscanf(stmp, "%d", &n) != 1) || (n < 0)) { + fprintf(stderr, + "bootpd: invalid debug level\n"); + break; + } + debug = n; + break; + + case 'f': /* config file */ + if (argv[0][2]) { + stmp = &(argv[0][2]); + } else { + argc--; + argv++; + stmp = argv[0]; + } + bootptab = stmp; + break; + + default: + fprintf(stderr, "bootpd: unknown switch: -%c\n", + argv[0][1]); + usage(); + break; + } + } + + /* Get the timezone. */ + tzone_init(); + + /* Allocate hash tables. */ + rdtab_init(); + + /* + * Read the bootptab file. + */ + readtab(1); /* force read */ + + /* Set the cwd (i.e. to /tftpboot) */ + if (chdir_path) { + if (chdir(chdir_path) < 0) + report(LOG_ERR, "%s: chdir failed", chdir_path); + } + /* If there are host names on the command line, do only those. */ + if (argc > 0) { + unsigned int tlen, hashcode; + + while (argc) { + tlen = strlen(argv[0]); + hashcode = hash_HashFunction((u_char *)argv[0], tlen); + hp = (struct host *) hash_Lookup(nmhashtable, + hashcode, + nmcmp, argv[0]); + if (!hp) { + printf("%s: no matching entry\n", argv[0]); + exit(1); + } + if (!hp->flags.exten_file) { + printf("%s: no extension file\n", argv[0]); + exit(1); + } + mktagfile(hp); + argv++; + argc--; + } + exit(0); + } + /* No host names specified. Do them all. */ + hp = (struct host *) hash_FirstEntry(nmhashtable); + while (hp != NULL) { + mktagfile(hp); + hp = (struct host *) hash_NextEntry(nmhashtable); + } +} + + + +/* + * Make a "TAG 18" file for this host. + * (Insert the RFC1497 options.) + */ + +static void +mktagfile(hp) + struct host *hp; +{ + FILE *fp; + int bytesleft, len; + byte *vp; + char *tmpstr; + + if (!hp->flags.exten_file) + return; + + vp = buffer; + bytesleft = BUFFERSIZE; + bcopy(vm_rfc1048, vp, 4); /* Copy in the magic cookie */ + vp += 4; + bytesleft -= 4; + + /* + * The "extension file" options are appended by the following + * function (which is shared with bootpd.c). + */ + len = dovend_rfc1497(hp, vp, bytesleft); + vp += len; + bytesleft -= len; + + if (bytesleft < 1) { + report(LOG_ERR, "%s: too much option data", + hp->exten_file->string); + return; + } + *vp++ = TAG_END; + bytesleft--; + + /* Write the buffer to the extension file. */ + printf("Updating \"%s\"\n", hp->exten_file->string); + if ((fp = fopen(hp->exten_file->string, "w")) == NULL) { + report(LOG_ERR, "error opening \"%s\": %s", + hp->exten_file->string, get_errmsg()); + return; + } + len = vp - buffer; + if (len != fwrite(buffer, 1, len, fp)) { + report(LOG_ERR, "write failed on \"%s\" : %s", + hp->exten_file->string, get_errmsg()); + } + fclose(fp); + +} /* dovend_rfc1048 */ + +/* + * Local Variables: + * tab-width: 4 + * c-indent-level: 4 + * c-argdecl-indent: 4 + * c-continued-statement-offset: 4 + * c-continued-brace-offset: -4 + * c-label-offset: -4 + * c-brace-offset: 0 + * End: + */ |