From fa0bc87c32d02cd81ec4d0ae00e0d943c683e6e1 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 23 May 1996 03:15:42 +0000 Subject: Wed May 22 22:10:01 1996 Roland McGrath * stdlib/canonicalize.c: New file. * stdlib/stdlib.h: Declare canonicalize_file_name, realpath. * stdlib/Makefile (routines): Add canonicalize. * posix/unistd.h: Declare __canonicalize_directory_name_internal. Thu May 23 00:01:10 1996 Ulrich Drepper * db/recno/rec_seq.c: Prevent `sccsid' definition by using the same #if condition as in the other db files. * intl/Makefile: Add -Wno-unused CFLAGS for compilation of bindtextdom.c, finddomain.c, and localealias.c. * intl/dcgettext.c: Don't define prototype for getcwd() when compiling in glibc. * libio/cleanup.c: Add prototype for _IO_register_cleanup. * libio/filedoalloc.c, libio/fileops.c, libio/iopopen.c: Don't define _POSIX_SOURCE unconditionally. * libio/filedoalloc.c, libio/iopopen.c: Include if compiling in glibc. * libio/fileops.c (_IO_file_close_it): Don't sync file, call flush instead. This relaxes the rules from POSIX.1 about changing the active handle a bit. * libio/iofopncook.c (struct _IO_cookie_file): Move definition into . Add prototypes for local functions to prevent warnings. * libio/iopopen.c: Change prototypes for _IO_fork, _IO_pipe, and _IO_DUP2 to contain complete parameter list. * libio/libio.h: Add definition of struct _IO_cookie_file. * libio/libioP.h: Add prototypes for _IO_vasprintf, _IO_vdprintf, and _IO_vsnprintf. * libio/memstream.c: Include . * libio/stdio.h: Add prototypes for fopencookie, __stdio_gen_tempname, __vfscanf, __vsscanf, and __vsnprintf. * libio/strops.c: Avoid useless expression in `for' initializer. * locale/findlocale.c: Add some casts to prevent warnings. * locale/programs/locfile.c (write_locale_data): Don't use double `/' in locale binary file. * posix/unistd.h: Remove prototype for `reboot'. Update from bind-4.9.4-T1A. * resolv/Makefile (routines): Add inet_ntop and inet_pton. * resolv/arpa/nameser.h: Add definition of IN6ADDRSZ. * resolv/gethnamaddr.c, resolv/getnetnamadr.c, resolv/res_comp.c, resolv/res_debug.c, resolv/res_init.c * resolv/inet_ntop.c, resolv/inet_pton.c: New files. * resolv/resolv.h: Add RES_USE_INET6 flag. (__dn_isvalid): Renamed to __res_dnok. Add prototypes for __res_ownok and __res_mailok. * stdio-common/Makefile: Add -Wno-unused to CFLAGS for _itoa.c. * stdio-common/getline.c, stdio-common/vfscanf.c, sysdeps/posix/tempname.c: Don't use anymore. * sysdeps/unix/sysv/linux/Makefile [$subdir == misc] (sysdep_routines): Add s_reboot. (install-others): Add $(includedir)/sys/syscall.h. New rule for $(includedir)/sys/syscall.h to produce from . * sysdeps/unix/sysv/linux/reboot.c: New file. Make single argument function call 3 argument system call. * sysdeps/unix/sysv/linux/sys/reboot.h: New file. Linux specific definition for reboot function. * sysdeps/unix/sysv/linux/syscall.h: Remove old and obsolete comment. * sysdeps/unix/sysv/linux/syscalls.list: Rename function for reboot syscall to __syscall_reboot. * wcsmbs/wchar.h: Protect prototypes for wcstof and wcstold by __USE_GNU, not USE_GNU. Tue May 21 21:55:49 1996 David Mosberger-Tang * locale/programs/charset.c, locale/programs/ld-collate.c: Add casts to prevent warnings on 64-bit machines. * locale/programs/ld-monetary.c: Don't do unnecessary tests for int_frac_digits and frac_digits which only produce warnings. Mon May 13 23:45:29 1996 David Mosberger-Tang * inet/arpa/inet.h: Backup return type of inet_addr to u_long. * resolv/inet_addr.c: Likewise. * resolv/Makefile (distribute): Add res_hconf.h (routines): Add res_hconf. * resolv/gethnamaddr.c: Add support for /etc/host.conf. * resolv/res_init.c: Initialize /etc/host.conf reader. * resolv/res_hconf.c, resolv/res_hconf.h: New files. Implementation of reading /etc/host.conf. Wed May 22 21:21:15 1996 Roland McGrath * Rules (%.out rules): Prepend $($*-ENV) to the command. * sysdeps/unix/sysv/linux/i386/brk.c (___brk_addr): Define as weak alias for __curbrk. Wed May 22 19:37:27 1996 Miles Bader * hurd/hurdexec.c (_hurd_exec): Pass INIT_TRACEMASK. * hurd/hurdmsg.c (set_int): Support INIT_TRACEMASK. Wed May 22 18:47:31 1996 Roland McGrath * sysdeps/mach/hurd/getcwd.c (_hurd_canonicalize_directory_name_internal): New function, broken out of __getcwd. (__getcwd): Use it. (__canonicalize_directory_name_internal): New function using it. * sysdeps/posix/getcwd.c (__canonicalize_directory_name_internal): New function, broken out of __getcwd. (__getcwd): Use it. Wed May 22 18:14:05 1996 Miles Bader * string/argz-create.c (__argz_create): Correctly calculate length. * string/argz-extract.c (__argz_extract): Add terminating 0 entry. * hurd/hurdstartup.c (_hurd_startup): ... and don't so here. [HAVE_VMSDIR_H]: Include "vmsdir.h". (glob) [VMS]: Don't grok ~. --- resolv/res_comp.c | 95 ++++++++++++++++++++++++++++++++++++++++--------------- 1 file changed, 70 insertions(+), 25 deletions(-) (limited to 'resolv/res_comp.c') diff --git a/resolv/res_comp.c b/resolv/res_comp.c index f234772e41..e105dbb0b6 100644 --- a/resolv/res_comp.c +++ b/resolv/res_comp.c @@ -3,7 +3,7 @@ * - * Copyright (c) 1985, 1993 * The Regents of the University of California. All rights reserved. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -19,7 +19,7 @@ * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. - * + * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -33,14 +33,14 @@ * SUCH DAMAGE. * - * Portions Copyright (c) 1993 by Digital Equipment Corporation. - * + * * 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, and that * the name of Digital Equipment Corporation not be used in advertising or * publicity pertaining to distribution of the document or software without * specific, written prior permission. - * + * * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT @@ -343,7 +343,7 @@ dn_find(exp_dn, msg, dnptrs, lastdnptr) /**** To: "Lawrence R. Rogers" cc: cert@cert.org, pvm@home.net -Subject: Re: VU#14542 +Subject: Re: VU#14542 In-reply-to: Your message of "Mon, 19 Feb 1996 17:16:27 PST." Date: Tue, 20 Feb 1996 22:37:21 -0800 From: Paul A Vixie @@ -359,7 +359,7 @@ in retrospect, should have been hostname = label ( "." label )+ - firstchar = [a-zA-Z0-9_] + firstchar = [a-zA-Z0-9] otherchar = [a-zA-Z0-9_-] label = firstchar otherchar* @@ -368,53 +368,98 @@ earlier. since i'm only trying to bend the spec to fit actual known uses, i should not have widened the rules as far as i did earlier. ****/ -#define firstchar(c) ((isascii(c) && isalnum(c)) || (c) == '_') -#define otherchar(c) (firstchar(c) || (c) == '-') -#define wildlabel(firstlabel, ch, nch) \ - ((firstlabel) && (ch) == '*' && ((nch) == '.' || (nch) == '\0')) +/* + * Note the conspicuous absence of ctype macros in these definitions. On + * non-ASCII hosts, we can't depend on string literals or ctype macros to + * tell us anything about network-format data. The rest of the BIND system + * is not careful about this, but for some reason, we're doing it right here. + */ +#define PERIOD 0x2e +#define hyphenchar(c) ((c) == 0x2d) +#define bslashchar(c) ((c) == 0x5c) +#define periodchar(c) ((c) == PERIOD) +#define asterchar(c) ((c) == 0x2a) +#define alphachar(c) (((c) >= 0x41 && (c) <= 0x5a) \ + || ((c) >= 0x61 && (c) <= 0x7a)) +#define digitchar(c) ((c) >= 0x30 && (c) <= 0x39) + +#define borderchar(c) (alphachar(c) || digitchar(c)) +#define middlechar(c) (borderchar(c) || hyphenchar(c)) +#define domainchar(c) ((c) > 0x20 && (c) < 0x7f) int res_hnok(dn) const char *dn; { - int ppch = '\0', pch = '.', ch = *dn++, firstlabel = 1; + int ppch = '\0', pch = PERIOD, ch = *dn++; while (ch != '\0') { int nch = *dn++; - if (ch == '.' || (ch == '\\' && nch == '.')) { + if (periodchar(ch)) { NULL; - } else if (pch == '.' && ppch != '\\') { - if (!firstchar(ch) && !wildlabel(firstlabel, ch, nch)) + } else if (periodchar(pch)) { + if (!borderchar(ch)) + return (0); + } else if (periodchar(nch) || nch == '\0') { + if (!borderchar(ch)) return (0); } else { - if (!otherchar(ch)) + if (!middlechar(ch)) return (0); } ppch = pch, pch = ch, ch = nch; - firstlabel = 0; } return (1); } +/* + * hostname-like (A, MX, WKS) owners can have "*" as their first label + * but must otherwise be as a host name. + */ +int +res_ownok(dn) + const char *dn; +{ + if (asterchar(dn[0]) && periodchar(dn[1])) + dn += 2; + return (res_hnok(dn)); +} + +/* + * SOA RNAMEs and RP RNAMEs can have any printable character in their first + * label, but the rest of the name has to look like a host name. + */ +int +res_mailok(dn) + const char *dn; +{ + int ch, pch; + + pch = '\0'; + while ((ch = *dn++) != '\0') { + if (!domainchar(ch)) + return (0); + if (periodchar(ch) && !bslashchar(pch)) + break; + pch = ch; + } + return (res_hnok(dn)); +} + /* * This function is quite liberal, since RFC 1034's character sets are only * recommendations. - * - * Note that some char's are signed, so we have to cast to unsigned. */ int -dn_isvalid(dn) +res_dnok(dn) const char *dn; { - unsigned char *t = (unsigned char *)dn; int ch; - while ((ch = *t++) != '\0') - if (ch <= 0x1f || ch >= 0x7f) { - /* Unprintable in ASCII. */ + while ((ch = *dn++) != '\0') + if (!domainchar(ch)) return (0); - } return (1); } @@ -498,7 +543,7 @@ putlong(l, msgp) { __putlong(l, msgp); } - + #undef dn_skipname dn_skipname(comp_dn, eom) const u_char *comp_dn, *eom; -- cgit v1.2.3