Rearrange bootpd

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:
+ */