-/* $Header$
+/* $Id$
*
* This generates the hstath.txt hosttable.
*
- * (c) Copyright 1993 by the Massachusetts Institute of Technology.
- * For copying and distribution information, please see the file
- * <mit-copyright.h>.
+ * (c) Copyright 1993-1998 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 <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "util.h"
+
EXEC SQL INCLUDE sqlca;
-extern int errno;
+RCSID("$Header$");
+
char *whoami = "hosts.gen";
char *db = "moira/moira";
-main(argc, argv)
-int argc;
-char **argv;
+int main(int argc, char **argv)
{
- FILE *out = stdout;
- char *outf = NULL, outft[64], *p, buf[256];
- struct stat sb;
- struct timeval now;
- int flag1, flag2, i;
- struct hash *aliases;
- EXEC SQL BEGIN DECLARE SECTION;
- int id;
- char name[65], vendor[33], model[33], os[33], addr[17];
- EXEC SQL END DECLARE SECTION;
-
- EXEC SQL CONNECT :db;
-
- if (argc == 2) {
- if (stat(argv[1], &sb) == 0) {
- if (ModDiff(&flag1, "machine", sb.st_mtime) ||
- ModDiff(&flag2, "subnet", sb.st_mtime))
- exit(MR_DATE);
- if (flag1 < 0 && flag2 < 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, outft[MAXPATHLEN], *p;
+ struct timeval now;
+ int i;
+ struct hash *aliases;
+ EXEC SQL BEGIN DECLARE SECTION;
+ int id;
+ char name[MACHINE_NAME_SIZE], vendor[MACHINE_VENDOR_SIZE];
+ char model[MACHINE_MODEL_SIZE], os[MACHINE_OS_SIZE];
+ char addr[MACHINE_ADDRESS_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 Host Table\n;\n");
+ fprintf(out, "; \t%cAuthor: $\n", '$');
+ fprintf(out, "; \t%cDate: $\n", '$');
+ fprintf(out, "; \t%cRevision: $\n;\n", '$');
+ fprintf(out, "; Host table generated by Moira at %s;\n",
+ ctime(&now.tv_sec));
- EXEC SQL WHENEVER SQLERROR GOTO sqlerr;
-
- gettimeofday(&now, NULL);
-
- fprintf(out, "; MIT Network Host Table\n;\n");
- fprintf(out, "; \t%cAuthor: $\n", '$');
- fprintf(out, "; \t%cDate: $\n", '$');
- fprintf(out, "; \t%cRevision: $\n;\n", '$');
- fprintf(out, "; Host table generated by Moira at %s;\n",
- ctime(&now.tv_sec));
-
- EXEC SQL DECLARE y CURSOR FOR SELECT
- mach_id, name FROM hostalias;
- EXEC SQL OPEN y;
- aliases = create_hash(1001);
- while (1) {
- EXEC SQL FETCH y INTO :id, :name;
- if (sqlca.sqlcode != 0) break;
- if (id == 0) continue;
- if (*strtrim(name) == 0) continue;
- if ((i = strlen(name)) < 9 || strcmp(&name[i-8], ".MIT.EDU")) {
- fprintf(stderr, "Name %s not in MIT domain\n", name);
- continue;
- } else {
- name[i-8] = 0;
+ EXEC SQL DECLARE y CURSOR FOR SELECT mach_id, name FROM hostalias;
+ EXEC SQL OPEN y;
+ aliases = create_hash(1001);
+ while (1)
+ {
+ EXEC SQL FETCH y INTO :id, :name;
+ if (sqlca.sqlcode)
+ break;
+ if (id == 0)
+ continue;
+ if (!*strtrim(name))
+ continue;
+ if ((i = strlen(name)) < 9 || !strchr(name, '.') ||
+ strcmp(strchr(name, '.'), ".MIT.EDU"))
+ {
+ fprintf(stderr, "Ignoring alias %s\n", name);
+ continue;
+ }
+ else
+ name[i - 8] = 0;
+ if ((p = hash_lookup(aliases, id)))
+ {
+ p = realloc(p, strlen(p) + strlen(name) + 2);
+ sprintf(strchr(p, '\0'), ",%s", name);
+ hash_update(aliases, id, p);
}
- if (p = hash_lookup(aliases, id)) {
- sprintf(buf, "%s,%s", p, name);
- hash_update(aliases, id, strsave(buf));
- free(p);
- } else
- hash_store(aliases, id, strsave(name));
+ else
+ hash_store(aliases, id, strdup(name));
}
- EXEC SQL DECLARE x CURSOR FOR SELECT
- name, mach_id, vendor, model, os, address
- FROM machine WHERE status=1 ORDER BY address;
- EXEC SQL OPEN x;
- while (1) {
- EXEC SQL FETCH x INTO :name, :id, :vendor, :model, :os, :addr;
- if (sqlca.sqlcode != 0) break;
- if (id == 0) continue;
- if (*strtrim(name) == 0) continue;
- if ((i = strlen(name)) < 9 || strcmp(&name[i-8], ".MIT.EDU")) {
- continue;
- } else {
- name[i-8] = 0;
- }
- strtrim(vendor);
- strtrim(model);
- strtrim(os);
- strtrim(addr);
- if (*addr == 0 || inet_addr(addr) == -1)
+ EXEC SQL DECLARE x CURSOR FOR SELECT
+ name, mach_id, vendor, model, os, address
+ FROM machine WHERE status = 1 AND mach_id > 0
+ ORDER BY address;
+ EXEC SQL OPEN x;
+ while (1)
+ {
+ EXEC SQL FETCH x INTO :name, :id, :vendor, :model, :os, :addr;
+ if (sqlca.sqlcode)
+ break;
+ if (!*strtrim(name))
+ continue;
+ if ((i = strlen(name)) < 9 || !strchr(name, '.') ||
+ strcmp(strchr(name, '.'), ".MIT.EDU"))
+ {
+ fprintf(stderr, "Ignoring machine %s\n", name);
continue;
- if (p = hash_lookup(aliases, id))
- sprintf(buf, "%s,%s", name, p);
- else
- strcpy(buf, name);
- fprintf(out, "HOST : %s : %s : ", addr, buf);
- if ((*vendor || *model) && *os) {
- if (*vendor && *model)
- fprintf(out, "%s/%s : %s :\n", vendor, model, os);
- else
- fprintf(out, "%s%s : %s :\n", vendor, model, os);
- } else
- fputs("\n", out);
+ }
+ else
+ name[i - 8] = 0;
+ strtrim(vendor);
+ strtrim(model);
+ strtrim(os);
+ strtrim(addr);
+ if (*addr == 0 || inet_addr(addr) == -1)
+ continue;
+ fprintf(out, "HOST : %s : %s", addr, name);
+ if ((p = hash_lookup(aliases, id)))
+ fprintf(out, ",%s", p);
+ if ((*vendor || *model) && *os)
+ {
+ if (*vendor && *model)
+ fprintf(out, " : %s/%s : %s :\n", vendor, model, os);
+ else
+ fprintf(out, " : %s%s : %s :\n", vendor, model, os);
+ }
+ else
+ fputs(" : \n", out);
}
- EXEC SQL CLOSE x;
+ EXEC SQL CLOSE x;
- EXEC SQL COMMIT;
+ EXEC SQL COMMIT;
- fprintf(out, "; End of automatically generated host table\n");
- if (fclose(out)) {
- perror("close failed");
- exit(MR_CCONFIG);
+ fprintf(out, "; End of automatically generated host 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);
+sqlerr:
+ db_error(sqlca.sqlcode);
+ exit(MR_DBMS_ERR);
}