X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=programs%2Fimagex-win32.c;h=6ff838ca63e845a7053dbc7a2a984b9fafb9a491;hp=24f99108e6ec30d948468c9fd7e4c54ceae69655;hb=151463861a212a1ae7deae7e9844cd0cd1c4343c;hpb=b79609d7660ef30bdfba091f839e61b256059a80 diff --git a/programs/imagex-win32.c b/programs/imagex-win32.c index 24f99108..6ff838ca 100644 --- a/programs/imagex-win32.c +++ b/programs/imagex-win32.c @@ -1,127 +1,16 @@ - -/* Replacements for functions needed specifically by the 'imagex' program in - * Windows native builds; also, Windows-specific code to acquire and release - * privileges needed to backup and restore files */ +/* Windows-specific code for wimlib-imagex. */ #ifndef __WIN32__ # error "This file contains Windows code" #endif #include "imagex-win32.h" -#include -#include -#include -#include -#include #include #include +#include +#include -/* Replacement for glob() in Windows native builds that operates on wide - * characters. */ -int -win32_wglob(const wchar_t *pattern, int flags, - int (*errfunc)(const wchar_t *epath, int eerrno), - glob_t *pglob) -{ - WIN32_FIND_DATAW dat; - DWORD err; - HANDLE hFind; - int ret; - size_t nspaces; - - const wchar_t *backslash, *end_slash; - size_t prefix_len; - - backslash = wcsrchr(pattern, L'\\'); - end_slash = wcsrchr(pattern, L'/'); - - if (backslash > end_slash) - end_slash = backslash; - - if (end_slash) - prefix_len = end_slash - pattern + 1; - else - prefix_len = 0; - - /* This function does not support all functionality of the POSIX glob(), - * so make sure the parameters are consistent with supported - * functionality. */ - assert(errfunc == NULL); - assert((flags & GLOB_ERR) == GLOB_ERR); - assert((flags & ~(GLOB_NOSORT | GLOB_ERR)) == 0); - - hFind = FindFirstFileW(pattern, &dat); - if (hFind == INVALID_HANDLE_VALUE) { - err = GetLastError(); - if (err == ERROR_FILE_NOT_FOUND) { - errno = 0; - return GLOB_NOMATCH; - } else { - /* The other possible error codes for FindFirstFile() - * are undocumented. */ - errno = EIO; - return GLOB_ABORTED; - } - } - pglob->gl_pathc = 0; - pglob->gl_pathv = NULL; - nspaces = 0; - do { - wchar_t *path; - if (pglob->gl_pathc == nspaces) { - size_t new_nspaces; - wchar_t **pathv; - - new_nspaces = nspaces * 2 + 1; - pathv = realloc(pglob->gl_pathv, - new_nspaces * sizeof(pglob->gl_pathv[0])); - if (!pathv) - goto oom; - pglob->gl_pathv = pathv; - nspaces = new_nspaces; - } - size_t filename_len = wcslen(dat.cFileName); - size_t len_needed = prefix_len + filename_len; - - path = malloc((len_needed + 1) * sizeof(wchar_t)); - if (!path) - goto oom; - - wmemcpy(path, pattern, prefix_len); - wmemcpy(path + prefix_len, dat.cFileName, filename_len + 1); - pglob->gl_pathv[pglob->gl_pathc++] = path; - } while (FindNextFileW(hFind, &dat)); - err = GetLastError(); - CloseHandle(hFind); - if (err == ERROR_NO_MORE_FILES) { - errno = 0; - return 0; - } else { - /* Other possible error codes for FindNextFile() are - * undocumented */ - errno = EIO; - ret = GLOB_ABORTED; - goto fail_globfree; - } -oom: - CloseHandle(hFind); - errno = ENOMEM; - ret = GLOB_NOSPACE; -fail_globfree: - globfree(pglob); - return ret; -} - -void -globfree(glob_t *pglob) -{ - size_t i; - for (i = 0; i < pglob->gl_pathc; i++) - free(pglob->gl_pathv[i]); - free(pglob->gl_pathv); -} - -/* Convert a string from the "current Windows codepage" to UTF-16LE. */ +/* Convert a string from the "current Windows codepage" to UTF-16LE. */ wchar_t * win32_mbs_to_wcs(const char *mbs, size_t mbs_nbytes, size_t *num_wchars_ret) { @@ -167,29 +56,46 @@ L" Maybe try converting your text file to UTF-16LE?\n" return NULL; } -static inline bool -is_path_separator(wchar_t c) +/* Set a file descriptor to binary mode. */ +void set_fd_to_binary_mode(int fd) { - return c == L'/' || c == L'\\'; + _setmode(fd, _O_BINARY); } -/* basename() (modifying, trailing-slash stripping version) for wide-character - * strings. */ -wchar_t * -win32_wbasename(wchar_t *path) -{ - wchar_t *p = wcschr(path, L'\0'); +#include - p--; - while (p >= path && is_path_separator(*p)) - *p-- = '\0'; - while (p >= path && !is_path_separator(*p)) - p--; - p++; - return p; +static wchar_t * +get_security_descriptor_string(PSECURITY_DESCRIPTOR desc) +{ + wchar_t *str = NULL; + /* 52 characters!!! */ + ConvertSecurityDescriptorToStringSecurityDescriptorW( + desc, + SDDL_REVISION_1, + OWNER_SECURITY_INFORMATION | + GROUP_SECURITY_INFORMATION | + DACL_SECURITY_INFORMATION | + SACL_SECURITY_INFORMATION, + &str, + NULL); + return str; } -void set_fd_to_binary_mode(int fd) +void +win32_print_security_descriptor(const uint8_t *sd, size_t size) { - _setmode(fd, _O_BINARY); + wchar_t *str; + const wchar_t *printstr; + + /* 'size' is ignored here due to the crappy Windows APIs. Oh well, this + * is just for debugging anyway. */ + str = get_security_descriptor_string((PSECURITY_DESCRIPTOR)sd); + if (str) + printstr = str; + else + printstr = L"(invalid)"; + + wprintf(L"Security Descriptor = %ls\n", printstr); + + LocalFree(str); }