コード例 #1
0
ファイル: info_ndbm.c プロジェクト: 0mp/freebsd
static int
search_ndbm(mnt_map *m, DBM *db, char *key, char **val)
{
  datum k, v;

  k.dptr = key;
  k.dsize = strlen(key) + 1;
  v = dbm_fetch(db, k);
  if (v.dptr) {
    if (m->cfm && (m->cfm->cfm_flags & CFM_SUN_MAP_SYNTAX))
      *val = sun_entry2amd(key, v.dptr);
    else
      *val = xstrdup(v.dptr);
    return 0;
  }
  return ENOENT;
}
コード例 #2
0
/*
 * Try to locate a key using NIS+.
 */
int
nisplus_search(mnt_map *m, char *map, char *key, char **val, time_t *tp)
{
  nis_result *result;
  int error = 0;
  struct nisplus_search_callback_data data;
  nis_name index;
  char *org;		/* if map does not have ".org_dir" then append it */
  size_t l;

  org = strstr(map, NISPLUS_ORGDIR);
  if (org == NULL)
    org = NISPLUS_ORGDIR;
  else
    org = "";

  /* make some room for the NIS index */
  l = sizeof('[')		/* for opening selection criteria */
    + sizeof(NISPLUS_KEY)
    + strlen(key)
    + sizeof(']')		/* for closing selection criteria */
    + sizeof(',')		/* + 1 for , separator */
    + strlen(map)
    + sizeof(NISPLUS_ORGDIR);
  index = xmalloc(l);
  if (index == NULL) {
    plog(XLOG_ERROR,
	 "Unable to create index %s: %s",
	 map,
	 strerror(ENOMEM));
    return ENOMEM;
  }
  xsnprintf(index, l, "[%s%s],%s%s", NISPLUS_KEY, key, map, org);

  data.key = key;
  data.value = NULL;

  dlog("NISplus search for %s", index);

  result = nis_list(index,
		    EXPAND_NAME | FOLLOW_LINKS | FOLLOW_PATH,
		    (int (*)()) nisplus_search_callback,
		    &data);

  /* free off the NIS index */
  XFREE(index);

  if (result == NULL) {
    plog(XLOG_ERROR, "nisplus_search: %s: %s", map, strerror(ENOMEM));
    return ENOMEM;
  }

  /*
   * Do something interesting with the return code
   */
  switch (result->status) {
  case NIS_SUCCESS:
  case NIS_CBRESULTS:

    if (data.value == NULL) {
      nis_object *value = result->objects.objects_val;
      dlog("NISplus search found <nothing>");
      dlog("NISplus search for %s: %s(%d)",
	   map, nis_sperrno(result->status), result->status);

      if (value != NULL)
	data.value = strnsave(ENTRY_VAL(value, 1), ENTRY_LEN(value, 1));
    }

    if (m->cfm && (m->cfm->cfm_flags & CFM_SUN_MAP_SYNTAX)) {
      *val = sun_entry2amd(key, data.value);
      XFREE(data.value);	/* strnsave malloc'ed it above */
    } else
      *val = data.value;

    if (*val) {
      error = 0;
      dlog("NISplus search found %s", *val);
    } else {
      error = ENOENT;
      dlog("NISplus search found nothing");
    }

    *tp = 0;
    break;

  case NIS_NOSUCHNAME:
    dlog("NISplus search returned %d", result->status);
    error = ENOENT;
    break;

  default:
    plog(XLOG_ERROR, "nisplus_search: %s: %s", map, nis_sperrno(result->status));
    error = EIO;
    break;
  }
  nis_freeresult(result);

  return error;
}
コード例 #3
0
ファイル: info_file.c プロジェクト: IIJ-NetBSD/netbsd-src
/*
 * Try to locate a key in a file
 */
static int
file_search_or_reload(mnt_map *m,
		      FILE *fp,
		      char *map,
		      char *key,
		      char **val,
		      void (*fn) (mnt_map *m, char *, char *))
{
  char key_val[INFO_MAX_LINE_LEN];
  int chuck = 0;
  int line_no = 0;

  while (file_read_line(key_val, sizeof(key_val), fp)) {
    char *kp;
    char *cp;
    char *hash;
    int len = strlen(key_val);
    line_no++;

    /*
     * Make sure we got the whole line
     */
    if (key_val[len - 1] != '\n') {
      plog(XLOG_WARNING, "line %d in \"%s\" is too long", line_no, map);
      chuck = 1;
    } else {
      key_val[len - 1] = '\0';
    }

    /*
     * Strip comments
     */
    hash = strchr(key_val, '#');
    if (hash)
      *hash = '\0';

    /*
     * Find start of key
     */
    for (kp = key_val; *kp && isascii((unsigned char)*kp) && isspace((unsigned char)*kp); kp++) ;

    /*
     * Ignore blank lines
     */
    if (!*kp)
      goto again;

    /*
     * Find end of key
     */
    for (cp = kp; *cp && (!isascii((unsigned char)*cp) || !isspace((unsigned char)*cp)); cp++) ;

    /*
     * Check whether key matches
     */
    if (*cp)
      *cp++ = '\0';

    if (fn || (*key == *kp && STREQ(key, kp))) {
      while (*cp && isascii((unsigned char)*cp) && isspace((unsigned char)*cp))
	cp++;
      if (*cp) {
	/*
	 * Return a copy of the data
	 */
	char *dc;
	/* if m->cfm == NULL, not using amd.conf file */
	if (m->cfm && (m->cfm->cfm_flags & CFM_SUN_MAP_SYNTAX))
	  dc = sun_entry2amd(kp, cp);
	else
	  dc = xstrdup(cp);
	if (fn) {
	  (*fn) (m, xstrdup(kp), dc);
	} else {
	  *val = dc;
	  dlog("%s returns %s", key, dc);
	}
	if (!fn)
	  return 0;
      } else {
	plog(XLOG_USER, "%s: line %d has no value field", map, line_no);
      }
    }

  again:
    /*
     * If the last read didn't get a whole line then
     * throw away the remainder before continuing...
     */
    if (chuck) {
      while (fgets(key_val, sizeof(key_val), fp) &&
	     !strchr(key_val, '\n')) ;
      chuck = 0;
    }
  }

  return fn ? 0 : ENOENT;
}
コード例 #4
0
/*
 * Parse the stream sun_in, convert the map information to amd, write
 * the results to amd_out.
 */
static int
sun2amd_convert(FILE *sun_in, FILE *amd_out)
{
  char line_buff[INFO_MAX_LINE_LEN], *tmp, *key, *entry;
  int pos, line = 0, retval = 1;

  /* just to be safe */
  memset(line_buff, 0, sizeof(line_buff));

  /* Read the input line by line and do the conversion. */
  while ((pos = file_read_line(line_buff, sizeof(line_buff), sun_in))) {
    line++;
    line_buff[pos - 1] = '\0';

    /* remove comments */
    if ((tmp = strchr(line_buff, '#')) != NULL) {
      *tmp = '\0';
    }

    /* find start of key */
    key = line_buff;
    while (*key != '\0' && isspace((unsigned char)*key)) {
      key++;
    }

    /* ignore blank lines */
    if (*key == '\0') {
      continue;
    }

    /* find the end of the key and NULL terminate */
    tmp = key;
    while (*tmp != '\0' && isspace((unsigned char)*tmp) == 0) {
      tmp++;
    }
    if (*tmp == '\0') {
      plog(XLOG_ERROR, "map line %d has no entry", line);
      goto err;
    }
    *tmp++ = '\0';
    if (*tmp == '\0') {
      plog(XLOG_ERROR, "map line %d has no entry", line);
      goto err;
    }
    entry = tmp;

    /* convert the sun entry to an amd entry */
    if ((tmp = sun_entry2amd(key, entry)) == NULL) {
      plog(XLOG_ERROR, "parse error on line %d", line);
      goto err;
    }

    if (fprintf(amd_out, "%s %s\n", key, tmp) < 0) {
      plog(XLOG_ERROR, "can't write to output stream: %s", strerror(errno));
      goto err;
    }

    /* just to be safe */
    memset(line_buff, 0, sizeof(line_buff));
  }

  /* success */
  retval = 0;

 err:
  return retval;
}
コード例 #5
0
ファイル: info_exec.c プロジェクト: 0mp/freebsd
/*
 * Try to locate a value in a query answer
 */
static int
exec_parse_qanswer(mnt_map *m, int fd, char *map, char *key, char **pval, time_t *tp)
{
  char qanswer[INFO_MAX_LINE_LEN], *dc = NULL;
  int chuck = 0;
  int line_no = 0;

  while (read_line(qanswer, sizeof(qanswer), fd)) {
    char *cp;
    char *hash;
    int len = strlen(qanswer);
    line_no++;

    /*
     * Make sure we got the whole line
     */
    if (qanswer[len - 1] != '\n') {
      plog(XLOG_WARNING, "line %d in \"%s\" is too long", line_no, map);
      chuck = 1;
    } else {
      qanswer[len - 1] = '\0';
    }

    /*
     * Strip comments
     */
    hash = strchr(qanswer, '#');
    if (hash)
      *hash = '\0';

    /*
     * Find beginning of value (query answer)
     */
    for (cp = qanswer; *cp && !isascii((unsigned char)*cp) && !isspace((unsigned char)*cp); cp++)
      ;;

    /* Ignore blank lines */
    if (!*cp)
      goto again;

    /*
     * Return a copy of the data
     */
    if (m->cfm && (m->cfm->cfm_flags & CFM_SUN_MAP_SYNTAX))
      dc = sun_entry2amd(key, cp);
    else
      dc = xstrdup(cp);
    *pval = dc;
    dlog("%s returns %s", key, dc);

    close(fd);
    return 0;

  again:
    /*
     * If the last read didn't get a whole line then
     * throw away the remainder before continuing...
     */
    if (chuck) {
      while (fgets_timed(qanswer, sizeof(qanswer), fd, gopt.exec_map_timeout) &&
	     !strchr(qanswer, '\n')) ;
      chuck = 0;
    }
  }

  return ENOENT;
}