close file descriptors before exec'ing the dcm

[moira.git] / gen / passwd.dc

diff --git a/gen/passwd.dc b/gen/passwd.dc
index 926f9884da9c002548944287f5e59937f9e9cf0b..9fcbce2cb5b0fa0afccbc5172a38e61f5ccffe96 100644 (file)
--- a/gen/passwd.dc
+++ b/gen/passwd.dc
@@ -2,74 +2,120 @@
  *
  * This generates a master /etc/passwd containing all active (status != 0)
  * accounts.
+ *
+ *  (c) Copyright 1988 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 <sms.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
 
 extern int errno;
+char *ingres_date_and_time();
+char *whoami = "passwd.gen";
+
 
 main(argc, argv)
 int argc;
 char **argv;
 {
-##  char login[9], shell[33], fullname[33], oa[17], op[13], hp[17];
-##  int uid, error;
     FILE *out = stdout;
+    char *outf, outft[64];
+    struct stat sb;
+##  char login[9], shell[33], fullname[33], oa[17], op[13], hp[17], *filetime;
+##  char nickname[17];
+##  int uid, error, flag;
+    int ingerr();
+
+    IIseterr(ingerr);
+##  ingres sms
 
     if (argc == 2) {
-       if ((out = fopen(argv[1], "w")) == NULL) {
-           fprintf(stderr, "unable to open %s for output\n", argv[1]);
-           exit(errno);
+       if (stat(argv[1], &sb) == 0) {
+           filetime = ingres_date_and_time(sb.st_mtime);
+##         retrieve (flag = int4(interval("min", tblstats.modtime - filetime)))
+##             where tblstats.table = "users"
+           if (flag < 0) {
+               fprintf(stderr, "File %s does not need to be rebuilt.\n",
+                       argv[1]);
+               exit(SMS_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(SMS_OCONFIG);
        }
     } else if (argc != 1) {
        fprintf(stderr, "usage: %s [outfile]\n", argv[0]);
-       exit(-1);
+       exit(SMS_ARGS);
+    } else {
+       outf = NULL;
     }
 
-##  ingres sms
 ##  set lockmode on users where readlock = nolock
 
 ##  range of u is users
 ##  retrieve (login = u.#login, uid = u.#uid, shell = u.#shell,
 ##           fullname = u.#fullname, oa = u.office_addr,
+##           nickname = u.#nickname,
 ##           op = u.office_phone, hp = u.home_phone)
-##     where u.status != 0 sort by #login {
-           trim(login);
-           trim(fullname);
-           trim(oa);
-           trim(op);
-           trim(hp);
-           trim(shell);
-           fprintf(out, "%s:*:%d:101:%s,%s,%s,%s:/mit/%s:%s\n",
-                   login, uid, fullname, oa, op, hp, login, shell);
+##     where u.status = 1 {
+           strtrim(login);
+           strtrim(fullname);
+           strtrim(nickname);
+           strtrim(oa);
+           strtrim(op);
+           strtrim(hp);
+           strtrim(shell);
+           fprintf(out, "%s:*:%d:101:%s,%s,%s,%s,%s:/mit/%s:%s\n",
+                   login, uid, fullname, nickname, oa, op, hp, login, shell);
 ##  }
 ##  inquire_equel(error = "errorno")
     if (error)  {
        fprintf(out, "Ingres error %d\n", error);
-       exit(error);
+       exit(SMS_INGRES_ERR);
     }
 
 ##  exit
 
     if (fclose(out)) {
        perror("close failed");
-       exit(errno);
+       exit(SMS_CCONFIG);
     }
-    exit(0);
+    if (outf)
+      fix_file(outf);
+    exit(SMS_SUCCESS);
 }
 
-trim(s)
-register char *s;
+
+/*
+ * ingerr: (supposedly) called when Ingres indicates an error.
+ * I have not yet been able to get this to work to intercept a
+ * database open error.
+ */
+#define INGRES_DEADLOCK 4700
+
+static int ingerr(num)
+    int *num;
 {
-    register char *p;
+    char buf[256];
+    int ingres_errno;
 
-    for (p = s; *s; s++)
-      if (*s != ' ')
-       p = s;
-    if (p != s) {
-       if (*p == ' ')
-         *p = 0;
-       else
-         p[1] = 0;
+    switch (*num) {
+    case INGRES_DEADLOCK:
+       ingres_errno = SMS_DEADLOCK;
+       break;
+    default:
+       ingres_errno = SMS_INGRES_ERR;
     }
+    com_err(whoami, SMS_INGRES_ERR, " code %d\n", *num);
+    critical_alert("DCM", "Passwd build encountered INGRES ERROR %d", *num);
+    exit(ingres_errno);
 }