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wine/programs/wcmd/wcmdmain.c

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/*
* WCMD - Wine-compatible command line interface.
*
* (C) 1999 D A Pickles
*/
/*
* FIXME:
* - No support for pipes
* - 32-bit limit on file sizes in DIR command
* - Cannot handle parameters in quotes
* - Lots of functionality missing from builtins
*/
#include "wcmd.h"
char *inbuilt[] = {"ATTRIB", "CALL", "CD", "CHDIR", "CLS", "COPY", "CTTY",
"DATE", "DEL", "DIR", "ECHO", "ERASE", "FOR", "GOTO",
"HELP", "IF", "LABEL", "MD", "MKDIR", "MOVE", "PATH", "PAUSE",
"PROMPT", "REM", "REN", "RENAME", "RD", "RMDIR", "SET", "SHIFT",
"TIME", "TYPE", "VERIFY", "VER", "VOL", "EXIT"};
HINSTANCE hinst;
DWORD errorlevel;
int echo_mode = 1, verify_mode = 0;
char nyi[] = "Not Yet Implemented\n\n";
char newline[] = "\n";
char version_string[] = "WCMD Version 0.15\n\n";
char anykey[] = "Press any key to continue: ";
char quals[MAX_PATH], param1[MAX_PATH], param2[MAX_PATH];
BATCH_CONTEXT *context = NULL;
/*****************************************************************************
* Main entry point. This is a console application so we have a main() not a
* winmain().
*/
int wine_main (int argc, char *argv[]) {
char string[1024], args[MAX_PATH], param[MAX_PATH];
int status, i;
DWORD count;
HANDLE h;
args[0] = param[0] = '\0';
if (argc > 1) {
for (i=1; i<argc; i++) {
if (argv[i][0] == '/') {
strcat (args, argv[i]);
}
else {
strcat (param, argv[i]);
strcat (param, " ");
}
}
}
/*
* Allocate a console and set it up.
*/
status = FreeConsole ();
if (!status) WCMD_print_error();
status = AllocConsole();
if (!status) WCMD_print_error();
SetConsoleMode (GetStdHandle(STD_INPUT_HANDLE), ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT |
ENABLE_PROCESSED_INPUT);
/*
* Execute any command-line options.
*/
if (strstr(args, "/q") != NULL) {
WCMD_echo ("OFF");
}
if (strstr(args, "/c") != NULL) {
WCMD_process_command (param);
return 0;
}
if (strstr(args, "/k") != NULL) {
WCMD_process_command (param);
}
/*
* If there is an AUTOEXEC.BAT file, try to execute it.
*/
GetFullPathName ("\\autoexec.bat", sizeof(string), string, NULL);
h = CreateFile (string, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (h != INVALID_HANDLE_VALUE) {
CloseHandle (h);
#if 0
WCMD_batch (string, " ");
#endif
}
/*
* Loop forever getting commands and executing them.
*/
WCMD_version ();
while (TRUE) {
WCMD_show_prompt ();
ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
if (count > 1) {
string[count-1] = '\0'; /* ReadFile output is not null-terminated! */
if (string[count-2] == '\r') string[count-2] = '\0'; /* Under Windoze we get CRLF! */
if (lstrlen (string) != 0) {
WCMD_process_command (string);
}
}
}
}
/*****************************************************************************
* Process one command. If the command is EXIT this routine does not return.
* We will recurse through here executing batch files.
*/
void WCMD_process_command (char *command) {
char cmd[1024];
char *p;
int status, i;
DWORD count;
HANDLE old_stdin = 0, old_stdout = 0, h;
char *whichcmd;
/*
* Throw away constructs we don't support yet
*/
if (strchr(command,'|') != NULL) {
WCMD_output ("Pipes not yet implemented\n");
return;
}
/*
* Expand up environment variables.
*/
status = ExpandEnvironmentStrings (command, cmd, sizeof(cmd));
if (!status) {
WCMD_print_error ();
return;
}
/*
* Changing default drive has to be handled as a special case.
*/
if ((cmd[1] == ':') && IsCharAlpha (cmd[0]) && (strlen(cmd) == 2)) {
status = SetCurrentDirectory (cmd);
if (!status) WCMD_print_error ();
return;
}
/* Dont issue newline WCMD_output (newline); @JED*/
/*
* Redirect stdin and/or stdout if required.
*/
if ((p = strchr(cmd,'<')) != NULL) {
h = CreateFile (WCMD_parameter (++p, 0, NULL), GENERIC_READ, 0, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) {
WCMD_print_error ();
return;
}
old_stdin = GetStdHandle (STD_INPUT_HANDLE);
SetStdHandle (STD_INPUT_HANDLE, h);
}
if ((p = strchr(cmd,'>')) != NULL) {
h = CreateFile (WCMD_parameter (++p, 0, NULL), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) {
WCMD_print_error ();
return;
}
old_stdout = GetStdHandle (STD_OUTPUT_HANDLE);
SetStdHandle (STD_OUTPUT_HANDLE, h);
*--p = '\0';
}
if ((p = strchr(cmd,'<')) != NULL) *p = '\0';
/*
* Strip leading whitespaces, and a '@' if supplied
*/
whichcmd = WCMD_strtrim_leading_spaces(cmd);
if (whichcmd[0] == '@') whichcmd++;
/*
* Check if the command entered is internal. If it is, pass the rest of the
* line down to the command. If not try to run a program.
*/
count = 0;
while (IsCharAlphaNumeric(whichcmd[count])) {
count++;
}
for (i=0; i<=WCMD_EXIT; i++) {
if (CompareString (LOCALE_USER_DEFAULT, NORM_IGNORECASE | SORT_STRINGSORT,
whichcmd, count, inbuilt[i], -1) == 2) break;
}
p = WCMD_strtrim_leading_spaces (&whichcmd[count]);
WCMD_parse (p, quals, param1, param2);
switch (i) {
case WCMD_ATTRIB:
WCMD_setshow_attrib ();
break;
case WCMD_CALL:
WCMD_batch (param1, p, 1);
break;
case WCMD_CD:
case WCMD_CHDIR:
WCMD_setshow_default ();
break;
case WCMD_CLS:
WCMD_clear_screen ();
break;
case WCMD_COPY:
WCMD_copy ();
break;
case WCMD_CTTY:
WCMD_change_tty ();
break;
case WCMD_DATE:
WCMD_setshow_date ();
break;
case WCMD_DEL:
case WCMD_ERASE:
WCMD_delete (0);
break;
case WCMD_DIR:
WCMD_directory ();
break;
case WCMD_ECHO:
/* Use the unstripped version of the following data - step over the space */
/* but only if a parameter follows */
if (strlen(&whichcmd[count]) > 0)
WCMD_echo(&whichcmd[count+1]);
else
WCMD_echo(&whichcmd[count]);
break;
case WCMD_FOR:
WCMD_for (p);
break;
case WCMD_GOTO:
WCMD_goto ();
break;
case WCMD_HELP:
WCMD_give_help (p);
break;
case WCMD_IF:
WCMD_if (p);
break;
case WCMD_LABEL:
WCMD_volume (1, p);
break;
case WCMD_MD:
case WCMD_MKDIR:
WCMD_create_dir ();
break;
case WCMD_MOVE:
WCMD_move ();
break;
case WCMD_PATH:
WCMD_setshow_path ();
break;
case WCMD_PAUSE:
WCMD_pause ();
break;
case WCMD_PROMPT:
WCMD_setshow_prompt ();
break;
case WCMD_REM:
break;
case WCMD_REN:
case WCMD_RENAME:
WCMD_rename ();
break;
case WCMD_RD:
case WCMD_RMDIR:
WCMD_remove_dir ();
break;
case WCMD_SET:
WCMD_setshow_env (p);
break;
case WCMD_SHIFT:
WCMD_shift ();
break;
case WCMD_TIME:
WCMD_setshow_time ();
break;
case WCMD_TYPE:
WCMD_type ();
break;
case WCMD_VER:
WCMD_version ();
break;
case WCMD_VERIFY:
WCMD_verify (p);
break;
case WCMD_VOL:
WCMD_volume (0, p);
break;
case WCMD_EXIT:
ExitProcess (0);
default:
WCMD_run_program (whichcmd);
};
if (old_stdin) {
CloseHandle (GetStdHandle (STD_INPUT_HANDLE));
SetStdHandle (STD_INPUT_HANDLE, old_stdin);
}
if (old_stdout) {
CloseHandle (GetStdHandle (STD_OUTPUT_HANDLE));
SetStdHandle (STD_OUTPUT_HANDLE, old_stdout);
}
}
/******************************************************************************
* WCMD_run_program
*
* Execute a command line as an external program. If no extension given then
* precedence is given to .BAT files. Must allow recursion.
*
* FIXME: Case sensitivity in suffixes!
*/
void WCMD_run_program (char *command) {
STARTUPINFO st;
PROCESS_INFORMATION pe;
SHFILEINFO psfi;
DWORD console;
BOOL status;
HANDLE h;
HINSTANCE hinst;
char filetorun[MAX_PATH];
WCMD_parse (command, quals, param1, param2); /* Quick way to get the filename */
if (strpbrk (param1, "\\:") == NULL) { /* No explicit path given */
if ((strchr (param1, '.') == NULL) || (strstr (param1, ".bat") != NULL)) {
if (SearchPath (NULL, param1, ".bat", sizeof(filetorun), filetorun, NULL)) {
WCMD_batch (filetorun, command, 0);
return;
}
}
}
else { /* Explicit path given */
if (strstr (param1, ".bat") != NULL) {
WCMD_batch (param1, command, 0);
return;
}
if (strchr (param1, '.') == NULL) {
strcpy (filetorun, param1);
strcat (filetorun, ".bat");
h = CreateFile (filetorun, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (h != INVALID_HANDLE_VALUE) {
CloseHandle (h);
WCMD_batch (param1, command, 0);
return;
}
}
}
/* No batch file found, assume executable */
hinst = FindExecutable (param1, NULL, filetorun);
if ((int)hinst < 32) {
WCMD_print_error ();
return;
}
console = SHGetFileInfo (filetorun, 0, &psfi, sizeof(psfi), SHGFI_EXETYPE);
if (!console) {
WCMD_print_error ();
return;
}
ZeroMemory (&st, sizeof(STARTUPINFO));
st.cb = sizeof(STARTUPINFO);
status = CreateProcess (NULL, command, NULL, NULL, FALSE,
0, NULL, NULL, &st, &pe);
if (!status) {
WCMD_print_error ();
}
if (!HIWORD(console)) WaitForSingleObject (pe.hProcess, INFINITE);
GetExitCodeProcess (pe.hProcess, &errorlevel);
if (errorlevel == STILL_ACTIVE) errorlevel = 0;
}
/******************************************************************************
* WCMD_show_prompt
*
* Display the prompt on STDout
*
*/
void WCMD_show_prompt () {
int status;
char out_string[MAX_PATH], curdir[MAX_PATH], prompt_string[MAX_PATH];
char *p, *q;
status = GetEnvironmentVariable ("PROMPT", prompt_string, sizeof(prompt_string));
if ((status == 0) || (status > sizeof(prompt_string))) {
lstrcpy (prompt_string, "$N$G");
}
p = prompt_string;
q = out_string;
*q = '\0';
while (*p != '\0') {
if (*p != '$') {
*q++ = *p++;
*q = '\0';
}
else {
p++;
switch (toupper(*p)) {
case '$':
*q++ = '$';
break;
case 'B':
*q++ = '|';
break;
case 'D':
GetDateFormat (LOCALE_USER_DEFAULT, DATE_SHORTDATE, NULL, NULL, q, MAX_PATH);
while (*q) q++;
break;
case 'E':
*q++ = '\E';
break;
case 'G':
*q++ = '>';
break;
case 'L':
*q++ = '<';
break;
case 'N':
status = GetCurrentDirectory (sizeof(curdir), curdir);
if (status) {
*q++ = curdir[0];
}
break;
case 'P':
status = GetCurrentDirectory (sizeof(curdir), curdir);
if (status) {
lstrcat (q, curdir);
while (*q) q++;
}
break;
case 'Q':
*q++ = '=';
break;
case 'T':
GetTimeFormat (LOCALE_USER_DEFAULT, 0, NULL, NULL, q, MAX_PATH);
while (*q) q++;
break;
case '_':
*q++ = '\n';
break;
}
p++;
*q = '\0';
}
}
WCMD_output (out_string);
}
/****************************************************************************
* WCMD_print_error
*
* Print the message for GetLastError
*/
void WCMD_print_error () {
LPVOID lpMsgBuf;
DWORD error_code;
int status;
error_code = GetLastError ();
status = FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL, error_code, 0, (LPTSTR) &lpMsgBuf, 0, NULL);
if (!status) {
WCMD_output ("FIXME: Cannot display message for error %d, status %d\n",
error_code, GetLastError());
return;
}
WCMD_output (lpMsgBuf);
LocalFree ((HLOCAL)lpMsgBuf);
WCMD_output (newline);
return;
}
/*******************************************************************
* WCMD_parse - parse a command into parameters and qualifiers.
*
* On exit, all qualifiers are concatenated into q, the first string
* not beginning with "/" is in p1 and the
* second in p2. Any subsequent non-qualifier strings are lost.
* Parameters in quotes are handled.
*/
void WCMD_parse (char *s, char *q, char *p1, char *p2) {
int p = 0;
*q = *p1 = *p2 = '\0';
while (TRUE) {
switch (*s) {
case '/':
*q++ = *s++;
while ((*s != '\0') && (*s != ' ') && *s != '/') {
*q++ = toupper (*s++);
}
*q = '\0';
break;
case ' ':
s++;
break;
case '"':
s++;
while ((*s != '\0') && (*s != '"')) {
if (p == 0) *p1++ = *s++;
else if (p == 1) *p2++ = *s++;
else s++;
}
if (p == 0) *p1 = '\0';
if (p == 1) *p2 = '\0';
p++;
if (*s == '"') s++;
break;
case '\0':
return;
default:
while ((*s != '\0') && (*s != ' ') && (*s != '/')) {
if (p == 0) *p1++ = *s++;
else if (p == 1) *p2++ = *s++;
else s++;
}
if (p == 0) *p1 = '\0';
if (p == 1) *p2 = '\0';
p++;
}
}
}
/*******************************************************************
* WCMD_output - send output to current standard output device.
*
*/
void WCMD_output (char *format, ...) {
va_list ap;
char string[1024];
DWORD count;
va_start(ap,format);
vsprintf (string, format, ap);
WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), string, lstrlen(string), &count, NULL);
va_end(ap);
}
/*******************************************************************
* WCMD_output_asis - send output to current standard output device.
* without formatting eg. when message contains '%'
*/
void WCMD_output_asis (char *message) {
DWORD count;
WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), message, lstrlen(message), &count, NULL);
}
/***************************************************************************
* WCMD_strtrim_leading_spaces
*
* Remove leading spaces from a string. Return a pointer to the first
* non-space character. Does not modify the input string
*/
char *WCMD_strtrim_leading_spaces (char *string) {
char *ptr;
ptr = string;
while (*ptr == ' ') ptr++;
return ptr;
}
/*************************************************************************
* WCMD_strtrim_trailing_spaces
*
* Remove trailing spaces from a string. This routine modifies the input
* string by placing a null after the last non-space character
*/
void WCMD_strtrim_trailing_spaces (char *string) {
char *ptr;
ptr = string + lstrlen (string) - 1;
while ((*ptr == ' ') && (ptr >= string)) {
*ptr = '\0';
ptr--;
}
}
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