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dbghelp: Introduce search_unix_path helper and use it in elf_search_and_load_file.
Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -671,6 +671,7 @@ extern BOOL path_find_symbol_file(const struct process* pcs, const struc
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WCHAR *buffer, BOOL* is_unmatched) DECLSPEC_HIDDEN;
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extern WCHAR *get_dos_file_name(const WCHAR *filename) DECLSPEC_HIDDEN;
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extern BOOL search_dll_path(const WCHAR *name, BOOL (*match)(void*, HANDLE, const WCHAR*), void *param) DECLSPEC_HIDDEN;
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extern BOOL search_unix_path(const WCHAR *name, const char *path, BOOL (*match)(void*, HANDLE, const WCHAR*), void *param) DECLSPEC_HIDDEN;
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extern const WCHAR* file_name(const WCHAR* str) DECLSPEC_HIDDEN;
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extern const char* file_nameA(const char* str) DECLSPEC_HIDDEN;
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@ -1274,47 +1274,6 @@ static BOOL elf_load_file_cb(void *param, HANDLE handle, const WCHAR *filename)
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return elf_load_file(load_file->process, filename, load_file->load_offset, load_file->dyn_addr, load_file->elf_info);
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}
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/******************************************************************
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* elf_load_file_from_path
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* tries to load an ELF file from a set of paths (separated by ':')
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*/
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static BOOL elf_load_file_from_path(HANDLE hProcess,
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const WCHAR* filename,
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unsigned long load_offset,
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unsigned long dyn_addr,
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const char* path,
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struct elf_info* elf_info)
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{
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BOOL ret = FALSE;
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WCHAR *s, *t, *fn;
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WCHAR* pathW = NULL;
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unsigned len;
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if (!path) return FALSE;
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len = MultiByteToWideChar(CP_UNIXCP, 0, path, -1, NULL, 0);
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pathW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
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if (!pathW) return FALSE;
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MultiByteToWideChar(CP_UNIXCP, 0, path, -1, pathW, len);
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for (s = pathW; s && *s; s = (t) ? (t+1) : NULL)
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{
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t = strchrW(s, ':');
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if (t) *t = '\0';
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fn = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(filename) + 1 + lstrlenW(s) + 1) * sizeof(WCHAR));
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if (!fn) break;
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strcpyW(fn, s);
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strcatW(fn, S_SlashW);
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strcatW(fn, filename);
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ret = elf_load_file(hProcess, fn, load_offset, dyn_addr, elf_info);
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HeapFree(GetProcessHeap(), 0, fn);
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if (ret) break;
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}
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HeapFree(GetProcessHeap(), 0, pathW);
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return ret;
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}
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#ifdef AT_SYSINFO_EHDR
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/******************************************************************
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* elf_search_auxv
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@ -1418,11 +1377,9 @@ static BOOL elf_search_and_load_file(struct process* pcs, const WCHAR* filename,
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load_elf.dyn_addr = dyn_addr;
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load_elf.elf_info = elf_info;
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ret = elf_load_file_from_path(pcs, filename, load_offset, dyn_addr,
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getenv("PATH"), elf_info) ||
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elf_load_file_from_path(pcs, filename, load_offset, dyn_addr,
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getenv("LD_LIBRARY_PATH"), elf_info);
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if (!ret) ret = search_dll_path(filename, elf_load_file_cb, &load_elf);
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ret = search_unix_path(filename, getenv("PATH"), elf_load_file_cb, &load_elf)
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|| search_unix_path(filename, getenv("LD_LIBRARY_PATH"), elf_load_file_cb, &load_elf)
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|| search_dll_path(filename, elf_load_file_cb, &load_elf);
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}
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return ret;
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@ -806,3 +806,46 @@ found:
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heap_free(buf);
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return TRUE;
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}
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BOOL search_unix_path(const WCHAR *name, const char *path, BOOL (*match)(void*, HANDLE, const WCHAR*), void *param)
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{
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const char *iter, *next;
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size_t size, len;
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WCHAR *dos_path;
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char *buf;
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BOOL ret = FALSE;
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if (!path) return FALSE;
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name = file_name(name);
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size = WideCharToMultiByte(CP_UNIXCP, 0, name, -1, NULL, 0, NULL, NULL) + strlen(path) + 1;
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if (!(buf = heap_alloc(size))) return FALSE;
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for (iter = path;; iter = next + 1)
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{
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if (!(next = strchr(iter, ':'))) next = iter + strlen(iter);
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if (*iter == '/')
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{
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len = next - iter;
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memcpy(buf, iter, len);
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if (buf[len - 1] != '/') buf[len++] = '/';
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WideCharToMultiByte(CP_UNIXCP, 0, name, -1, buf + len, size - len, NULL, NULL);
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if ((dos_path = wine_get_dos_file_name(buf)))
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{
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HANDLE file = CreateFileW(dos_path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (file != INVALID_HANDLE_VALUE)
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{
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ret = match(param, file, dos_path);
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CloseHandle(file);
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if (ret) TRACE("found %s\n", debugstr_w(dos_path));
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}
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heap_free(dos_path);
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if (ret) break;
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}
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}
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if (*next != ':') break;
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}
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heap_free(buf);
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return ret;
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}
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