-/* $Header$
+/* $Id$
*
* This generates the network table.
*
- * (c) Copyright 1994 by the Massachusetts Institute of Technology.
- * For copying and distribution information, please see the file
- * <mit-copyright.h>.
+ * Copyright (C) 1994-1998 by the Massachusetts Institute of Technology.
+ * For copying and distribution information, please see the file
+ * <mit-copyright.h>.
*/
#include <mit-copyright.h>
-#include <stdio.h>
#include <moira.h>
-#include <sys/types.h>
+
#include <sys/stat.h>
-#include <sys/time.h>
+
#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <stdio.h>
+#include <time.h>
+
+#include "util.h"
EXEC SQL INCLUDE sqlca;
-extern int errno;
+RCSID("$Header$");
+
char *whoami = "network.gen";
char *db = "moira/moira";
-main(argc, argv)
-int argc;
-char **argv;
+char *cidr_from_inaddr(struct in_addr in);
+
+int main(int argc, char **argv)
{
- FILE *out = stdout;
- char *outf = NULL, outft[64], *p, buf[256];
- struct stat sb;
- struct timeval now;
- struct in_addr addr;
- int flag1, i;
- EXEC SQL BEGIN DECLARE SECTION;
- int id, saddr;
- char name[65], description[65];
- EXEC SQL END DECLARE SECTION;
-
- EXEC SQL CONNECT :db;
-
- if (argc == 2) {
- if (stat(argv[1], &sb) == 0) {
- if (ModDiff(&flag1, "subnet", sb.st_mtime))
- exit(MR_DATE);
- if (flag1 < 0) {
- fprintf(stderr, "File %s does not need to be rebuilt.\n",
- argv[1]);
- exit(MR_NO_CHANGE);
- }
- }
- outf = argv[1];
- sprintf(outft, "%s~", outf);
- if ((out = fopen(outft, "w")) == NULL) {
- fprintf(stderr, "unable to open %s for output\n", outf);
- exit(MR_OCONFIG);
+ FILE *out = stdout;
+ char *outf = NULL, *cidr = NULL, address[BUFSIZ], outft[MAXPATHLEN];
+ struct timeval now;
+ struct in_addr addr, maskaddr;
+ EXEC SQL BEGIN DECLARE SECTION;
+ int id, saddr;
+ char name[SUBNET_NAME_SIZE], description[SUBNET_DESCRIPTION_SIZE];
+ char mask[SUBNET_MASK_SIZE];
+ EXEC SQL END DECLARE SECTION;
+
+ EXEC SQL CONNECT :db;
+
+ if (argc == 2)
+ {
+ outf = argv[1];
+ sprintf(outft, "%s~", outf);
+ if (!(out = fopen(outft, "w")))
+ {
+ fprintf(stderr, "unable to open %s for output\n", outf);
+ exit(MR_OCONFIG);
}
- } else if (argc != 1) {
- fprintf(stderr, "usage: %s [outfile]\n", argv[0]);
- exit(MR_ARGS);
- } else {
- outf = NULL;
}
+ else if (argc != 1)
+ {
+ fprintf(stderr, "usage: %s [outfile]\n", argv[0]);
+ exit(MR_ARGS);
+ }
+ else
+ outf = NULL;
+
+ EXEC SQL WHENEVER SQLERROR GOTO sqlerr;
+
+ gettimeofday(&now, NULL);
+
+ fprintf(out, "; MIT Network Table\n;\n");
+ fprintf(out, "; \t%cAuthor: $\n", '$');
+ fprintf(out, "; \t%cDate: $\n", '$');
+ fprintf(out, "; \t%cRevision: $\n;\n", '$');
+ fprintf(out, "; Network table generated by Moira at %s;\n",
+ ctime(&now.tv_sec));
- EXEC SQL WHENEVER SQLERROR GOTO sqlerr;
-
- gettimeofday(&now, NULL);
-
- fprintf(out, "; MIT Network Table\n;\n");
- fprintf(out, "; \t%cAuthor: $\n", '$');
- fprintf(out, "; \t%cDate: $\n", '$');
- fprintf(out, "; \t%cRevision: $\n;\n", '$');
- fprintf(out, "; Network table generated by Moira at %s;\n",
- ctime(&now.tv_sec));
-
- EXEC SQL DECLARE x CURSOR FOR SELECT
- name, snet_id, saddr, description
- FROM subnet ORDER BY saddr;
- EXEC SQL OPEN x;
- while (1) {
- EXEC SQL FETCH x INTO :name, :id, :saddr, :description;
- if (sqlca.sqlcode != 0) break;
- if (id == 0) continue;
- if (*strtrim(name) == 0) continue;
- addr.s_addr=htonl(saddr);
- fprintf(out, "NETWORK : %-16.16s : %-12.12s : %s\n", name,
- inet_ntoa(addr),
- strtrim(description));
+ EXEC SQL DECLARE x CURSOR FOR SELECT
+ name, snet_id, saddr, mask, description
+ FROM subnet ORDER BY saddr;
+ EXEC SQL OPEN x;
+ while (1)
+ {
+ EXEC SQL FETCH x INTO :name, :id, :saddr, :mask, :description;
+ if (sqlca.sqlcode)
+ break;
+ if (id == 0)
+ continue;
+ if (!*strtrim(name))
+ continue;
+ addr.s_addr = htonl(saddr);
+
+ maskaddr.s_addr = htonl(atoi(mask));
+ cidr = cidr_from_inaddr(maskaddr);
+
+ strcpy(address, inet_ntoa(addr));
+ if (cidr)
+ strcat(address, cidr);
+
+ fprintf(out, "NETWORK : %-16.16s : %-15.15s : %s\n", name,
+ address, strtrim(description));
}
- EXEC SQL CLOSE x;
+ EXEC SQL CLOSE x;
- EXEC SQL COMMIT;
+ EXEC SQL COMMIT;
- fprintf(out, "; End of automatically generated network table\n");
- if (fclose(out)) {
- perror("close failed");
- exit(MR_CCONFIG);
+ fprintf(out, "; End of automatically generated network table\n");
+ if (fclose(out))
+ {
+ perror("close failed");
+ exit(MR_CCONFIG);
}
- if (outf)
- fix_file(outf);
- exit(MR_SUCCESS);
+ if (outf)
+ fix_file(outf);
+ exit(MR_SUCCESS);
+
+sqlerr:
+ db_error(sqlca.sqlcode);
+ exit(MR_DBMS_ERR);
+}
+
+char *cidr_from_inaddr(struct in_addr in) {
+ char *ptr1, *ptr2, *address, *out;
+ int a, b, c, d, addr, i, j = 0, k = 0;
+ int bits[32];
+
+ address = inet_ntoa(in);
+
+ ptr1 = ptr2 = address;
+ ptr2 = (char *)strchr(ptr1, '.');
+ if (!ptr2)
+ return(NULL);
+ a = atoi(ptr1);
+
+ ptr1 = ptr2 + 1;
+ ptr2 = (char *)strchr(ptr1, '.');
+ if (!ptr2)
+ return(NULL);
+ b = atoi(ptr1);
+
+ ptr1 = ptr2 + 1;
+ ptr2 = (char *)strchr(ptr1, '.');
+ if (!ptr2)
+ return(NULL);
+ c = atoi(ptr1);
+
+ ptr1 = ptr2 + 1;
+ d = atoi(ptr1);
+
+ if (a < 0 || a > 255 ||
+ b < 0 || b > 255 ||
+ c < 0 || c > 255 ||
+ d < 0 || d > 255)
+ return(NULL);
+
+ addr = d + (c*256) + (b*256*256) + (a*256*256*256);
+
+ for (i = 0; i < 32; i++) {
+ bits[i] = (addr & 1);
+ addr = (addr >> 1);
+ }
+
+ while (bits[j] == 0) {
+ j++;
+ if (j > 31) break;
+ }
+ while (bits[j] == 1) {
+ j++;
+ k++;
+ if (j > 31) break;
+ }
+
+ if (j != 32)
+ return(NULL);
+
+ out = (char *)malloc(20);
+ if (!out)
+ exit(MR_NO_MEM);
+ sprintf(out, "/%i", k);
- sqlerr:
- db_error(sqlca.sqlcode);
- exit(MR_DBMS_ERR);
+ return(out);
}
andersk / moira.git / blobdiff