diff options
Diffstat (limited to 'usr.sbin/bind/lib/isc/win32/dir.c')
-rw-r--r-- | usr.sbin/bind/lib/isc/win32/dir.c | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/usr.sbin/bind/lib/isc/win32/dir.c b/usr.sbin/bind/lib/isc/win32/dir.c deleted file mode 100644 index 5ab5db752db..00000000000 --- a/usr.sbin/bind/lib/isc/win32/dir.c +++ /dev/null @@ -1,345 +0,0 @@ -/* - * 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 INTERNET SOFTWARE CONSORTIUM - * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL - * INTERNET SOFTWARE CONSORTIUM 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. - */ - -/* $ISC: dir.c,v 1.10 2001/07/06 21:47:15 gson Exp $ */ - -/* Principal Authors: DCL */ - -/* - * isc_dir_chroot is currently stubbed out for Win32 - * This will need to be revisited - */ - -#include <config.h> - -#include <string.h> -#include <direct.h> -#include <process.h> -#include <io.h> - -#include <sys/stat.h> - -#include <isc/dir.h> -#include <isc/magic.h> -#include <isc/assertions.h> -#include <isc/util.h> - -#include "errno2result.h" - -#define ISC_DIR_MAGIC ISC_MAGIC('D', 'I', 'R', '*') -#define VALID_DIR(dir) ISC_MAGIC_VALID(dir, ISC_DIR_MAGIC) - -static isc_result_t -start_directory(isc_dir_t *p); - -void -isc_dir_init(isc_dir_t *dir) { - REQUIRE(dir != NULL); - - dir->dirname[0] = '\0'; - - dir->entry.name[0] = '\0'; - dir->entry.length = 0; - memset(&(dir->entry.find_data), 0, sizeof(dir->entry.find_data)); - - dir->entry_filled = ISC_FALSE; - dir->search_handle = INVALID_HANDLE_VALUE; - - dir->magic = ISC_DIR_MAGIC; -} - -/* - * Allocate workspace and open directory stream. If either one fails, - * NULL will be returned. - */ -isc_result_t -isc_dir_open(isc_dir_t *dir, const char *dirname) { - char *p; - isc_result_t result; - - REQUIRE(dirname != NULL); - REQUIRE(VALID_DIR(dir) && dir->search_handle == INVALID_HANDLE_VALUE); - - /* - * Copy directory name. Need to have enough space for the name, - * a possible path separator, the wildcard, and the final NUL. - */ - if (strlen(dirname) + 3 > sizeof(dir->dirname)) - /* XXXDCL ? */ - return (ISC_R_NOSPACE); - strcpy(dir->dirname, dirname); - - /* - * Append path separator, if needed, and "*". - */ - p = dir->dirname + strlen(dir->dirname); - if (dir->dirname < p && *(p - 1) != '\\' && *(p - 1) != ':') - *p++ = '\\'; - *p++ = '*'; - *p++ = '\0'; - - /* - * Open stream. - */ - result = start_directory(dir); - - return (result); -} - -/* - * Return previously retrieved file or get next one. Unix's dirent has - * separate open and read functions, but the Win32 and DOS interfaces open - * the dir stream and reads the first file in one operation. - */ -isc_result_t -isc_dir_read(isc_dir_t *dir) { - REQUIRE(VALID_DIR(dir) && dir->search_handle != INVALID_HANDLE_VALUE); - - if (dir->entry_filled) - /* - * start_directory() already filled in the first entry. - */ - dir->entry_filled = ISC_FALSE; - - else { - /* - * Fetch next file in directory. - */ - if (FindNextFile(dir->search_handle, - &dir->entry.find_data) == FALSE) - /* - * Either the last file has been processed or - * an error has occured. The former is not - * really an error, but the latter is. - */ - if (GetLastError() == ERROR_NO_MORE_FILES) - return (ISC_R_NOMORE); - else - return (ISC_R_UNEXPECTED); - } - - /* - * Make sure that the space for the name is long enough. - */ - strcpy(dir->entry.name, dir->entry.find_data.cFileName); - dir->entry.length = strlen(dir->entry.name); - - return (ISC_R_SUCCESS); -} - -/* - * Close directory stream. - */ -void -isc_dir_close(isc_dir_t *dir) { - REQUIRE(VALID_DIR(dir) && dir->search_handle != INVALID_HANDLE_VALUE); - - FindClose(dir->search_handle); - dir->search_handle = INVALID_HANDLE_VALUE; -} - -/* - * Reposition directory stream at start. - */ -isc_result_t -isc_dir_reset(isc_dir_t *dir) { - isc_result_t result; - - REQUIRE(VALID_DIR(dir) && dir->search_handle != INVALID_HANDLE_VALUE); - REQUIRE(dir->dirname != NULL); - - /* - * NT cannot reposition the seek pointer to the beginning of the - * the directory stream, but rather the directory needs to be - * closed and reopened. The latter might fail. - */ - - isc_dir_close(dir); - - result = start_directory(dir); - - return (result); -} - -/* - * Initialize isc_dir_t structure with new directory. The function - * returns 0 on failure and nonzero on success. - * - * Note: - * - Be sure to close previous stream before opening new one - */ -static isc_result_t -start_directory(isc_dir_t *dir) -{ - REQUIRE(VALID_DIR(dir)); - REQUIRE(dir->search_handle == INVALID_HANDLE_VALUE); - - dir->entry_filled = ISC_FALSE; - - /* - * Open stream and retrieve first file. - */ - dir->search_handle = FindFirstFile(dir->dirname, - &dir->entry.find_data); - - if (dir->search_handle == INVALID_HANDLE_VALUE) { - /* - * Something went wrong but we don't know what. GetLastError() - * could give us more information about the error, but the - * MSDN documentation is frustratingly thin about what - * possible errors could have resulted. (Score one for - * the Unix manual pages.) So there is just this lame error - * instead of being able to differentiate ISC_R_NOTFOUND - * from ISC_R_UNEXPECTED. - */ - return (ISC_R_FAILURE); - } - - /* - * Make sure that the space for the name is long enough. - */ - INSIST(sizeof(dir->entry.name) > - strlen(dir->entry.find_data.cFileName)); - - /* - * Fill in the data for the first entry of the directory. - */ - strcpy(dir->entry.name, dir->entry.find_data.cFileName); - dir->entry.length = strlen(dir->entry.name); - - dir->entry_filled = ISC_TRUE; - - return (ISC_R_SUCCESS); -} - -isc_result_t -isc_dir_chdir(const char *dirname) { - /* - * Change the current directory to 'dirname'. - */ - - REQUIRE(dirname != NULL); - - if (chdir(dirname) < 0) - return (isc__errno2result(errno)); - - return (ISC_R_SUCCESS); -} - -isc_result_t -isc_dir_chroot(const char *dirname) { - return (ISC_R_SUCCESS); -} - -isc_result_t -isc_dir_current(char *dirname, size_t length, isc_boolean_t end_sep) { - char *cwd; - isc_result_t result = ISC_R_SUCCESS; - - /* - * XXXDCL Could automatically allocate memory if dirname == NULL. - */ - REQUIRE(dirname != NULL); - REQUIRE(length > 0); - - cwd = getcwd(dirname, length); - - if (cwd == NULL) { - if (errno == ERANGE) - result = ISC_R_NOSPACE; - else - result = isc__errno2result(errno); - } else if (end_sep) { - if (strlen(dirname) + 1 == length) - result = ISC_R_NOSPACE; - else if (dirname[1] != '\0') - strcat(dirname, "/"); - } - - return (result); -} - -isc_result_t -isc_dir_createunique(char *templet) { - isc_result_t result; - char *x; - char *p; - int i; - int pid; - - REQUIRE(templet != NULL); - - /* - * mkdtemp is not portable, so this emulates it. - */ - - pid = getpid(); - - /* - * Replace trailing Xs with the process-id, zero-filled. - */ - for (x = templet + strlen(templet) - 1; *x == 'X' && x >= templet; - x--, pid /= 10) - *x = pid % 10 + '0'; - - x++; /* Set x to start of ex-Xs. */ - - do { - i = mkdir(templet); - i = chmod(templet, 0700); - - if (i == 0 || errno != EEXIST) - break; - - /* - * The BSD algorithm. - */ - p = x; - while (*p != '\0') { - if (isdigit(*p & 0xff)) - *p = 'a'; - else if (*p != 'z') - ++*p; - else { - /* - * Reset character and move to next. - */ - *p++ = 'a'; - continue; - } - - break; - } - - if (*p == '\0') { - /* - * Tried all combinations. errno should already - * be EEXIST, but ensure it is anyway for - * isc__errno2result(). - */ - errno = EEXIST; - break; - } - } while (1); - - if (i == -1) - result = isc__errno2result(errno); - else - result = ISC_R_SUCCESS; - - return (result); -} |