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Diffstat (limited to 'third_party/git/contrib/credential/wincred/git-credential-wincred.c')
-rw-r--r--third_party/git/contrib/credential/wincred/git-credential-wincred.c327
1 files changed, 0 insertions, 327 deletions
diff --git a/third_party/git/contrib/credential/wincred/git-credential-wincred.c b/third_party/git/contrib/credential/wincred/git-credential-wincred.c
deleted file mode 100644
index 5bdad41de1f8..000000000000
--- a/third_party/git/contrib/credential/wincred/git-credential-wincred.c
+++ /dev/null
@@ -1,327 +0,0 @@
-/*
- * A git credential helper that interface with Windows' Credential Manager
- *
- */
-#include <windows.h>
-#include <stdio.h>
-#include <io.h>
-#include <fcntl.h>
-
-/* common helpers */
-
-#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
-
-static void die(const char *err, ...)
-{
-	char msg[4096];
-	va_list params;
-	va_start(params, err);
-	vsnprintf(msg, sizeof(msg), err, params);
-	fprintf(stderr, "%s\n", msg);
-	va_end(params);
-	exit(1);
-}
-
-static void *xmalloc(size_t size)
-{
-	void *ret = malloc(size);
-	if (!ret && !size)
-		ret = malloc(1);
-	if (!ret)
-		 die("Out of memory");
-	return ret;
-}
-
-/* MinGW doesn't have wincred.h, so we need to define stuff */
-
-typedef struct _CREDENTIAL_ATTRIBUTEW {
-	LPWSTR Keyword;
-	DWORD  Flags;
-	DWORD  ValueSize;
-	LPBYTE Value;
-} CREDENTIAL_ATTRIBUTEW, *PCREDENTIAL_ATTRIBUTEW;
-
-typedef struct _CREDENTIALW {
-	DWORD                  Flags;
-	DWORD                  Type;
-	LPWSTR                 TargetName;
-	LPWSTR                 Comment;
-	FILETIME               LastWritten;
-	DWORD                  CredentialBlobSize;
-	LPBYTE                 CredentialBlob;
-	DWORD                  Persist;
-	DWORD                  AttributeCount;
-	PCREDENTIAL_ATTRIBUTEW Attributes;
-	LPWSTR                 TargetAlias;
-	LPWSTR                 UserName;
-} CREDENTIALW, *PCREDENTIALW;
-
-#define CRED_TYPE_GENERIC 1
-#define CRED_PERSIST_LOCAL_MACHINE 2
-#define CRED_MAX_ATTRIBUTES 64
-
-typedef BOOL (WINAPI *CredWriteWT)(PCREDENTIALW, DWORD);
-typedef BOOL (WINAPI *CredEnumerateWT)(LPCWSTR, DWORD, DWORD *,
-    PCREDENTIALW **);
-typedef VOID (WINAPI *CredFreeT)(PVOID);
-typedef BOOL (WINAPI *CredDeleteWT)(LPCWSTR, DWORD, DWORD);
-
-static HMODULE advapi;
-static CredWriteWT CredWriteW;
-static CredEnumerateWT CredEnumerateW;
-static CredFreeT CredFree;
-static CredDeleteWT CredDeleteW;
-
-static void load_cred_funcs(void)
-{
-	/* load DLLs */
-	advapi = LoadLibraryExA("advapi32.dll", NULL,
-				LOAD_LIBRARY_SEARCH_SYSTEM32);
-	if (!advapi)
-		die("failed to load advapi32.dll");
-
-	/* get function pointers */
-	CredWriteW = (CredWriteWT)GetProcAddress(advapi, "CredWriteW");
-	CredEnumerateW = (CredEnumerateWT)GetProcAddress(advapi,
-	    "CredEnumerateW");
-	CredFree = (CredFreeT)GetProcAddress(advapi, "CredFree");
-	CredDeleteW = (CredDeleteWT)GetProcAddress(advapi, "CredDeleteW");
-	if (!CredWriteW || !CredEnumerateW || !CredFree || !CredDeleteW)
-		die("failed to load functions");
-}
-
-static WCHAR *wusername, *password, *protocol, *host, *path, target[1024];
-
-static void write_item(const char *what, LPCWSTR wbuf, int wlen)
-{
-	char *buf;
-
-	if (!wbuf || !wlen) {
-		printf("%s=\n", what);
-		return;
-	}
-
-	int len = WideCharToMultiByte(CP_UTF8, 0, wbuf, wlen, NULL, 0, NULL,
-	    FALSE);
-	buf = xmalloc(len);
-
-	if (!WideCharToMultiByte(CP_UTF8, 0, wbuf, wlen, buf, len, NULL, FALSE))
-		die("WideCharToMultiByte failed!");
-
-	printf("%s=", what);
-	fwrite(buf, 1, len, stdout);
-	putchar('\n');
-	free(buf);
-}
-
-/*
- * Match an (optional) expected string and a delimiter in the target string,
- * consuming the matched text by updating the target pointer.
- */
-
-static LPCWSTR wcsstr_last(LPCWSTR str, LPCWSTR find)
-{
-	LPCWSTR res = NULL, pos;
-	for (pos = wcsstr(str, find); pos; pos = wcsstr(pos + 1, find))
-		res = pos;
-	return res;
-}
-
-static int match_part_with_last(LPCWSTR *ptarget, LPCWSTR want, LPCWSTR delim, int last)
-{
-	LPCWSTR delim_pos, start = *ptarget;
-	int len;
-
-	/* find start of delimiter (or end-of-string if delim is empty) */
-	if (*delim)
-		delim_pos = last ? wcsstr_last(start, delim) : wcsstr(start, delim);
-	else
-		delim_pos = start + wcslen(start);
-
-	/*
-	 * match text up to delimiter, or end of string (e.g. the '/' after
-	 * host is optional if not followed by a path)
-	 */
-	if (delim_pos)
-		len = delim_pos - start;
-	else
-		len = wcslen(start);
-
-	/* update ptarget if we either found a delimiter or need a match */
-	if (delim_pos || want)
-		*ptarget = delim_pos ? delim_pos + wcslen(delim) : start + len;
-
-	return !want || (!wcsncmp(want, start, len) && !want[len]);
-}
-
-static int match_part(LPCWSTR *ptarget, LPCWSTR want, LPCWSTR delim)
-{
-	return match_part_with_last(ptarget, want, delim, 0);
-}
-
-static int match_part_last(LPCWSTR *ptarget, LPCWSTR want, LPCWSTR delim)
-{
-	return match_part_with_last(ptarget, want, delim, 1);
-}
-
-static int match_cred(const CREDENTIALW *cred)
-{
-	LPCWSTR target = cred->TargetName;
-	if (wusername && wcscmp(wusername, cred->UserName ? cred->UserName : L""))
-		return 0;
-
-	return match_part(&target, L"git", L":") &&
-		match_part(&target, protocol, L"://") &&
-		match_part_last(&target, wusername, L"@") &&
-		match_part(&target, host, L"/") &&
-		match_part(&target, path, L"");
-}
-
-static void get_credential(void)
-{
-	CREDENTIALW **creds;
-	DWORD num_creds;
-	int i;
-
-	if (!CredEnumerateW(L"git:*", 0, &num_creds, &creds))
-		return;
-
-	/* search for the first credential that matches username */
-	for (i = 0; i < num_creds; ++i)
-		if (match_cred(creds[i])) {
-			write_item("username", creds[i]->UserName,
-				creds[i]->UserName ? wcslen(creds[i]->UserName) : 0);
-			write_item("password",
-				(LPCWSTR)creds[i]->CredentialBlob,
-				creds[i]->CredentialBlobSize / sizeof(WCHAR));
-			break;
-		}
-
-	CredFree(creds);
-}
-
-static void store_credential(void)
-{
-	CREDENTIALW cred;
-
-	if (!wusername || !password)
-		return;
-
-	cred.Flags = 0;
-	cred.Type = CRED_TYPE_GENERIC;
-	cred.TargetName = target;
-	cred.Comment = L"saved by git-credential-wincred";
-	cred.CredentialBlobSize = (wcslen(password)) * sizeof(WCHAR);
-	cred.CredentialBlob = (LPVOID)password;
-	cred.Persist = CRED_PERSIST_LOCAL_MACHINE;
-	cred.AttributeCount = 0;
-	cred.Attributes = NULL;
-	cred.TargetAlias = NULL;
-	cred.UserName = wusername;
-
-	if (!CredWriteW(&cred, 0))
-		die("CredWrite failed");
-}
-
-static void erase_credential(void)
-{
-	CREDENTIALW **creds;
-	DWORD num_creds;
-	int i;
-
-	if (!CredEnumerateW(L"git:*", 0, &num_creds, &creds))
-		return;
-
-	for (i = 0; i < num_creds; ++i) {
-		if (match_cred(creds[i]))
-			CredDeleteW(creds[i]->TargetName, creds[i]->Type, 0);
-	}
-
-	CredFree(creds);
-}
-
-static WCHAR *utf8_to_utf16_dup(const char *str)
-{
-	int wlen = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
-	WCHAR *wstr = xmalloc(sizeof(WCHAR) * wlen);
-	MultiByteToWideChar(CP_UTF8, 0, str, -1, wstr, wlen);
-	return wstr;
-}
-
-static void read_credential(void)
-{
-	char buf[1024];
-
-	while (fgets(buf, sizeof(buf), stdin)) {
-		char *v;
-		int len = strlen(buf);
-		/* strip trailing CR / LF */
-		while (len && strchr("\r\n", buf[len - 1]))
-			buf[--len] = 0;
-
-		if (!*buf)
-			break;
-
-		v = strchr(buf, '=');
-		if (!v)
-			die("bad input: %s", buf);
-		*v++ = '\0';
-
-		if (!strcmp(buf, "protocol"))
-			protocol = utf8_to_utf16_dup(v);
-		else if (!strcmp(buf, "host"))
-			host = utf8_to_utf16_dup(v);
-		else if (!strcmp(buf, "path"))
-			path = utf8_to_utf16_dup(v);
-		else if (!strcmp(buf, "username")) {
-			wusername = utf8_to_utf16_dup(v);
-		} else if (!strcmp(buf, "password"))
-			password = utf8_to_utf16_dup(v);
-		else
-			die("unrecognized input");
-	}
-}
-
-int main(int argc, char *argv[])
-{
-	const char *usage =
-	    "usage: git credential-wincred <get|store|erase>\n";
-
-	if (!argv[1])
-		die(usage);
-
-	/* git use binary pipes to avoid CRLF-issues */
-	_setmode(_fileno(stdin), _O_BINARY);
-	_setmode(_fileno(stdout), _O_BINARY);
-
-	read_credential();
-
-	load_cred_funcs();
-
-	if (!protocol || !(host || path))
-		return 0;
-
-	/* prepare 'target', the unique key for the credential */
-	wcscpy(target, L"git:");
-	wcsncat(target, protocol, ARRAY_SIZE(target));
-	wcsncat(target, L"://", ARRAY_SIZE(target));
-	if (wusername) {
-		wcsncat(target, wusername, ARRAY_SIZE(target));
-		wcsncat(target, L"@", ARRAY_SIZE(target));
-	}
-	if (host)
-		wcsncat(target, host, ARRAY_SIZE(target));
-	if (path) {
-		wcsncat(target, L"/", ARRAY_SIZE(target));
-		wcsncat(target, path, ARRAY_SIZE(target));
-	}
-
-	if (!strcmp(argv[1], "get"))
-		get_credential();
-	else if (!strcmp(argv[1], "store"))
-		store_credential();
-	else if (!strcmp(argv[1], "erase"))
-		erase_credential();
-	/* otherwise, ignore unknown action */
-	return 0;
-}