diff options
Diffstat (limited to 'contrib/bind9/lib/dns/ttl.c')
| -rw-r--r-- | contrib/bind9/lib/dns/ttl.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/contrib/bind9/lib/dns/ttl.c b/contrib/bind9/lib/dns/ttl.c deleted file mode 100644 index 39d2ac3..0000000 --- a/contrib/bind9/lib/dns/ttl.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 1999-2001 Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * 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. - */ - -/* $Id: ttl.c,v 1.25.18.2 2005/04/29 00:16:07 marka Exp $ */ - -/*! \file */ - -#include <config.h> - -#include <ctype.h> -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> - -#include <isc/buffer.h> -#include <isc/parseint.h> -#include <isc/print.h> -#include <isc/region.h> -#include <isc/string.h> -#include <isc/util.h> - -#include <dns/result.h> -#include <dns/ttl.h> - -#define RETERR(x) do { \ - isc_result_t _r = (x); \ - if (_r != ISC_R_SUCCESS) \ - return (_r); \ - } while (0) - - -static isc_result_t bind_ttl(isc_textregion_t *source, isc_uint32_t *ttl); - -/* - * Helper for dns_ttl_totext(). - */ -static isc_result_t -ttlfmt(unsigned int t, const char *s, isc_boolean_t verbose, - isc_boolean_t space, isc_buffer_t *target) -{ - char tmp[60]; - size_t len; - isc_region_t region; - - if (verbose) - len = snprintf(tmp, sizeof(tmp), "%s%u %s%s", - space ? " " : "", - t, s, - t == 1 ? "" : "s"); - else - len = snprintf(tmp, sizeof(tmp), "%u%c", t, s[0]); - - INSIST(len + 1 <= sizeof(tmp)); - isc_buffer_availableregion(target, ®ion); - if (len > region.length) - return (ISC_R_NOSPACE); - memcpy(region.base, tmp, len); - isc_buffer_add(target, len); - - return (ISC_R_SUCCESS); -} - -/* - * Derived from bind8 ns_format_ttl(). - */ -isc_result_t -dns_ttl_totext(isc_uint32_t src, isc_boolean_t verbose, isc_buffer_t *target) { - unsigned secs, mins, hours, days, weeks, x; - - secs = src % 60; src /= 60; - mins = src % 60; src /= 60; - hours = src % 24; src /= 24; - days = src % 7; src /= 7; - weeks = src; src = 0; - - x = 0; - if (weeks != 0) { - RETERR(ttlfmt(weeks, "week", verbose, ISC_TF(x > 0), target)); - x++; - } - if (days != 0) { - RETERR(ttlfmt(days, "day", verbose, ISC_TF(x > 0), target)); - x++; - } - if (hours != 0) { - RETERR(ttlfmt(hours, "hour", verbose, ISC_TF(x > 0), target)); - x++; - } - if (mins != 0) { - RETERR(ttlfmt(mins, "minute", verbose, ISC_TF(x > 0), target)); - x++; - } - if (secs != 0 || - (weeks == 0 && days == 0 && hours == 0 && mins == 0)) { - RETERR(ttlfmt(secs, "second", verbose, ISC_TF(x > 0), target)); - x++; - } - INSIST (x > 0); - /* - * If only a single unit letter is printed, print it - * in upper case. (Why? Because BIND 8 does that. - * Presumably it has a reason.) - */ - if (x == 1 && !verbose) { - isc_region_t region; - /* - * The unit letter is the last character in the - * used region of the buffer. - * - * toupper() does not need its argument to be masked of cast - * here because region.base is type unsigned char *. - */ - isc_buffer_usedregion(target, ®ion); - region.base[region.length - 1] = - toupper(region.base[region.length - 1]); - } - return (ISC_R_SUCCESS); -} - -isc_result_t -dns_counter_fromtext(isc_textregion_t *source, isc_uint32_t *ttl) { - return (bind_ttl(source, ttl)); -} - -isc_result_t -dns_ttl_fromtext(isc_textregion_t *source, isc_uint32_t *ttl) { - isc_result_t result; - - result = bind_ttl(source, ttl); - if (result != ISC_R_SUCCESS) - result = DNS_R_BADTTL; - return (result); -} - -static isc_result_t -bind_ttl(isc_textregion_t *source, isc_uint32_t *ttl) { - isc_uint32_t tmp = 0; - isc_uint32_t n; - char *s; - char buf[64]; - char nbuf[64]; /* Number buffer */ - - /* - * Copy the buffer as it may not be NULL terminated. - * No legal counter / ttl is longer that 63 characters. - */ - if (source->length > sizeof(buf) - 1) - return (DNS_R_SYNTAX); - strncpy(buf, source->base, source->length); - buf[source->length] = '\0'; - s = buf; - - do { - isc_result_t result; - - char *np = nbuf; - while (*s != '\0' && isdigit((unsigned char)*s)) - *np++ = *s++; - *np++ = '\0'; - INSIST(np - nbuf <= (int)sizeof(nbuf)); - result = isc_parse_uint32(&n, nbuf, 10); - if (result != ISC_R_SUCCESS) - return (DNS_R_SYNTAX); - switch (*s) { - case 'w': - case 'W': - tmp += n * 7 * 24 * 3600; - s++; - break; - case 'd': - case 'D': - tmp += n * 24 * 3600; - s++; - break; - case 'h': - case 'H': - tmp += n * 3600; - s++; - break; - case 'm': - case 'M': - tmp += n * 60; - s++; - break; - case 's': - case 'S': - tmp += n; - s++; - break; - case '\0': - /* Plain number? */ - if (tmp != 0) - return (DNS_R_SYNTAX); - tmp = n; - break; - default: - return (DNS_R_SYNTAX); - } - } while (*s != '\0'); - *ttl = tmp; - return (ISC_R_SUCCESS); -} |
