void run_minishell2(t_struc *s, char **tab)
{
int i;
char **tab2;
i = 0;
while (tab[i])
{
tab2 = ft_strdoublesplit(tab[i], ' ', '\t');
if (replace_tild(s, &tab2) == -1)
break ;
s->argc = get_argc(tab2);
s->cmd = tab2[0];
if (!s->cmd)
break ;
s->argv = tab2;
if (!ft_strcmp(s->cmd, "exit"))
exec_exit(s);
g_ctrl_c = 1;
!is_builtin(s) ? exec_cmd(s, s->env) : exec_builtin(s, s->env);
free(s->cmd);
i++;
}
}
/*parse command to linked list and send to exec function*/
void parse_command(){
int EXIT;
int i=0,j,d;
int test = 0;
int length = strlen(buffer);
int count = 1;
int start = 0;
int temp = 0;
int currarg = 0;
struct Node* head = malloc(sizeof(struct Node));
memset(head->args,0,sizeof(int) * 50);
head->next = NULL;
struct Node* ptr = head;
for(i = 0; i < length; i++){
char c = buffer[i];
if(currarg >= 50){
fprintf(stderr,"Too many arguements\n");
test = 2;
break;
}
if(!temp){
if(c == '|'){
count++;
currarg = 0;
ptr->next = malloc(sizeof(struct Node));
ptr = ptr->next;
memset(ptr->args,0,sizeof(int) * 50);
ptr->next = NULL;
}else if(c == '\''){
temp = 1;
start = i;
}else if(c == '\"'){
temp = 2;
start = i;
}else if(c != ' ' && c!= '\t'){
temp = 3;
start = i;
}
}else if((temp == 1 && c == '\'') || (temp == 2 && c == '\"')){
temp = 0;
ptr->args[currarg] = malloc(sizeof(char) * (i - start + 2));
memcpy(ptr->args[currarg],buffer + sizeof(char) * (start + 1), sizeof(char) * ((i - 1) - start));
ptr->args[currarg][(i - 1) - start] = '\0';
currarg++;
}else if(temp == 3 && (c == ' ' || i == length - 1)){
temp = 0;
ptr->args[currarg] = malloc(sizeof(char) * (i - start + 2));
memcpy(ptr->args[currarg],buffer + sizeof(char) * start, sizeof(char) * (i - start));
ptr->args[currarg][i - start] = '\0';
currarg++;
}else if(temp == 3 && c == '|'){
temp = 0;
ptr->args[currarg] = malloc(sizeof(char) * (i - start + 2));
memcpy(ptr->args[currarg],buffer + sizeof(char) * start, sizeof(char) * (i - start));
ptr->args[currarg][i - start] = '\0';
count++;
currarg = 0;
ptr->next = malloc(sizeof(struct Node));
ptr = ptr->next;
memset(ptr->args,0,sizeof(int) * 50);
ptr->next = NULL;
}else if(c == '\'' || c == '\"'){
fprintf(stderr,"error: quote mismatch\n");
test = 1;
break;
}
}
/*send to cd function*/
if(!strcmp(head->args[0], "cd")){
exec_cd(2, head->args);
freeList(head);
return;
}
/*send to exit function*/
if(!strcmp(head->args[0], "exit")){
exec_exit(2, head->args);
freeList(head);
return;
}
if(!test && (temp == 1 || temp == 2)){
fprintf(stderr,"error: quote mismatch\n");
test = 1;
}
if(head->args[0] == NULL){
test = 1;
}
if(!test){
exec_command(head, -1);
int status;
int pid;
while((pid = wait(&status)) != -1)
printf("process %i exits with %i\n",pid,status);
}
freeList(head);
}
int nt_execve(const char *prog, const char *const *args, const char *const *envir)
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
enum {none, directex, shellex} execmode;
DWORD exitcode;
DWORD dwCreationflags;
int priority;
char *argv0;
char *cmdstr, *cmdend;
unsigned int cmdsize;
size_t prognamelen, cmdlen;
int hasext;
char extension[_MAX_FNAME];
const char *begin, *end, *extptr;
static char exts[MAX_PATH];
UNREFERENCED_PARAMETER(envir);
/* get default PATHEXT or use empty exts */
if (!*exts) {
DWORD rc;
/* not initialized */
rc = GetEnvironmentVariable("PATHEXT", exts, sizeof(exts));
if ((rc == 0) || (rc >= sizeof(exts)))
/* if error or PATHEXT too big will retry at the next call */
*exts = 0;
}
/* if prog has an extension initialize begin end to skip PATHEXT search */
prognamelen = strlen(prog);
extptr = prog + prognamelen - 1;
hasext = 0;
while (extptr > prog && !ISPATHSEP(*extptr)) {
if (*extptr == '.' && *(extptr - 1) != ':' && !ISPATHSEP(*(extptr - 1))) {
hasext++;
break;
}
extptr--;
}
if (hasext) {
begin = ".";
end = "";
strcpy(extension, extptr);
} else {
begin = exts;
end = exts;
*extension = '\0';
}
argv0 = (char *)heap_alloc(MAX_PATH);
/* (prognamelen + 1) does not really matter, argv0 is '\0' filled */
memcpy(argv0, prog, prognamelen + 1);
errno = 0;
execmode = none;
/* NOTE: loops over PATHEXT if no extension found */
while (*begin) {
size_t extlen;
if (GetBinaryType(argv0, &exitcode)) {
/* exists and is executable
NOTE: an "xxx.exe" without a correct PE header (i.e. a text file)
has type "DOS binary", but execution will generate a WOW error */
execmode = directex;
break;
}
if (GetLastError() == ERROR_BAD_EXE_FORMAT) {
/* exists but is not "executable" */
execmode = shellex;
break;
}
if (hasext)
break;
/* get next PATHEXT extension */
while (*begin && (*begin != '.'))
begin++;
while (*end && (*end != ';'))
end++;
if (!*begin)
break;
extlen = end - begin;
if (extlen < sizeof(extension)) {
memcpy(extension, begin, extlen);
extension[extlen] = '\0';
/* prognamelen ignores the last '\r' if present */
memcpy(argv0, prog, prognamelen);
/* update argv0 adding the extension to prog */
memcpy(argv0 + prognamelen, extension, extlen + 1);
}
begin = end;
/* skip sequences of ';' */
while (*end && *end == ';')
end++;
};
cmdstr = (char *)heap_alloc(MAX_PATH << 2);
cmdsize = MAX_PATH << 2;
cmdlen = 0;
cmdend = cmdstr;
dbgprintf(PR_VERBOSE, "%s(): execute [%s] extension=[%s] mode=%d hasext=%d\n", __FUNCTION__, argv0, extension, execmode, hasext);
/* skip over program name */
args++;
/* the file (after PATHEXT search) exists, but it's not "executable" */
if (execmode == shellex) {
/* if prog had no extension or has the extension associated to shell scripts */
if ((hasext == 0 && *extension == '\0') || is_shell_script(extension)) {
int res = process_shebang(argv0, (const char *const *)&cmdstr, &cmdlen, &cmdend, &cmdsize);
if (res < 0) {
execmode = none;
} else if (res == 0) {
char *newargv[2];
cmdlen = copy_quote_and_fix_slashes(gModuleName, cmdstr);
cmdend = cmdstr + cmdlen;
newargv[0] = path_to_slash(argv0);
newargv[1] = NULL;
concat_args_and_quote((const char *const *)newargv, &cmdstr, &cmdlen, &cmdend, &cmdsize);
*cmdend = 0;
argv0 = gModuleName;
execmode = directex;
} else {
cmdend = cmdstr + cmdlen;
execmode = directex;
}
} else {
unsigned long shflags = 0L;
/* if the file extension is in pathext, use the same console
and wait for child. StrStrI() is from shlwapi */
if (StrStrI(exts, extension))
shflags = SEE_MASK_NO_CONSOLE | SEE_MASK_NOCLOSEPROCESS;
if (try_shell_ex(argv0, args, shflags, &cmdstr, &cmdsize))
return (0);
/* ShellExecute failed, the file has an unknown extension, but it
may be a shell script with a shebang */
if (process_shebang(argv0, (const char *const *)&cmdstr, &cmdlen, &cmdend, &cmdsize) > 0) {
cmdend = cmdstr + cmdlen;
execmode = directex;
} else {
/* the file extension is NOT known and the file has NO shebang:
returns EPERM, see NOTES */
errno = EPERM;
return (-1);
}
}
} else if (execmode == directex) {
cmdlen = copy_quote_and_fix_slashes(prog, cmdstr);
cmdend = cmdstr + cmdlen;
}
if (execmode == none) {
/* error: prog not found even after trying PATHEXT extensions */
errno = ENOENT;
return (-1);
}
concat_args_and_quote(args, &cmdstr, &cmdlen, &cmdend, &cmdsize);
if (*cmdstr == ' ') {
/* if we left a ' ' for the quote and there is no quote */
cmdstr++;
cmdlen--;
}
*cmdend = 0;
init_startupinfo(&si);
dwCreationflags = GetPriorityClass(GetCurrentProcess());
priority = GetThreadPriority(GetCurrentThread());
#if defined(W32DEBUG)
/* DebugView output is very difficult to read with overlong lines */
if (cmdlen < 128)
dbgprintf(PR_EXEC, "%s(): CreateProcess(%s, ..) cmdstr=[%s]\n", __FUNCTION__, argv0, cmdstr);
else {
char shortbuf[128+4];
memcpy(shortbuf, cmdstr, 128);
memcpy(shortbuf + 128, "...", 4);
dbgprintf(PR_EXEC, "nt_execve(): CreateProcess(%s, ..) cmdstr=[%s]\n", argv0, shortbuf);
}
#endif
if (!CreateProcess(argv0, cmdstr, NULL, NULL,
TRUE, // need this for redirecting std handles
dwCreationflags | CREATE_SUSPENDED,
NULL, NULL, &si, &pi)) {
exitcode = GetLastError();
if (exitcode == ERROR_BAD_EXE_FORMAT) {
dbgprintf(PR_ERROR, "!!! CreateProcess(%s, ..) error BAD_EXE_FORMAT in %s\n", argv0, __FUNCTION__);
errno = ENOEXEC;
} else if (exitcode == ERROR_INVALID_PARAMETER) {
dbgprintf(PR_ERROR, "!!! CreateProcess(%s, ..) error INVALID_PARAMETER in %s, cmdstr len=%u\n", argv0, __FUNCTION__, strlen(cmdstr));
/* exceeded command line */
/* return NOT found, ENAMETOOLONG is correct but not understood by
the shell that will retry with another path ... */
errno = ENOENT;
} else {
dbgprintf(PR_ERROR, "!!! CreateProcess(%s, ..) error %ld in %s\n", argv0, exitcode, __FUNCTION__);
errno = ENOENT;
}
goto fail_return;
} else {
exitcode = 0;
if (!SetThreadPriority(pi.hThread, priority))
dbgprintf(PR_ERROR, "!!! SetThreadPriority(0x%p) failed, error %ld\n", pi.hThread, GetLastError());
ResumeThread(pi.hThread);
if (!is_gui(argv0)) {
if (WaitForSingleObject(pi.hProcess, INFINITE) != WAIT_OBJECT_0)
dbgprintf(PR_ERROR, "!!! error %ld waiting for process %ld\n", GetLastError(), pi.dwProcessId);
if (!GetExitCodeProcess(pi.hProcess, &exitcode))
dbgprintf(PR_ERROR, "!!! GetExitCodeProcess(0x%p, ..) error %ld in %s\n", pi.hProcess, GetLastError(), __FUNCTION__);
}
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
close_si_handles();
/* @@@@ should wait for the clipboard ?
if (is_dev_clipboard_active) {
CloseHandle((HANDLE)_get_osfhandle(0));
CloseHandle((HANDLE)_get_osfhandle(1));
CloseHandle((HANDLE)_get_osfhandle(2));
...
WaitForSingleObject(ghdevclipthread,60*1000);
}
*/
dbgprintf(PR_ALL, "--- %s(): Exec'd process %ld terminated with exitcode %ld\n", __FUNCTION__, pi.dwProcessId, exitcode);
exec_exit((int)exitcode);
}
fail_return:
heap_free(cmdstr);
close_si_handles();
exec_exit(-1);
return (-1);
}
void sys_exit(void) {
exec_exit();
}
static int try_shell_ex(char *argv0, const char *const *argv, unsigned long shellexflags, char **cmdstr, unsigned int *cmdsize)
{
char *cmdend;
size_t cmdlen;
SHELLEXECUTEINFO shinfo;
BOOL nocmd = 0;
path_to_backslash(argv0);
/* @@@@ is this code really needed ? when ? */
if ((!*argv) && (argv0[0] == '\\') && (argv0[1] == '\\')) {
shellexflags |= SEE_MASK_CONNECTNETDRV;
nocmd = 1;
goto noargs;
}
cmdend = *cmdstr;
cmdlen = 0;
concat_args_and_quote(argv, cmdstr, &cmdlen, &cmdend, cmdsize);
*cmdend = '\0';
noargs:
dbgprintf(PR_EXEC, "ShellExecute(%s, ..) with cmdstr [%s]\n", argv0, *cmdstr);
memset(&shinfo, 0, sizeof(shinfo));
shinfo.cbSize = sizeof(shinfo);
shinfo.fMask = SEE_MASK_FLAG_NO_UI | SEE_MASK_FLAG_DDEWAIT | shellexflags;
shinfo.hwnd = NULL;
shinfo.lpVerb = NULL;
shinfo.lpFile = argv0;
shinfo.lpParameters = nocmd ? NULL : *cmdstr;
shinfo.lpDirectory = 0;
shinfo.nShow = SW_SHOWDEFAULT;
if (ShellExecuteEx(&shinfo)) {
DWORD retval = 255;
dbgprintf(PR_EXEC, "ShellExecute() created process handle 0x%p\n", shinfo.hProcess);
/* may happen if "executing" a file associated to a running program, i.e.
"execute" a .html file with an already opened browser window */
if (shinfo.hProcess != (HANDLE)0) {
if (shellexflags & SEE_MASK_NOCLOSEPROCESS) {
if ((intptr_t)(shinfo.hInstApp) > 32) {
if (WaitForSingleObject(shinfo.hProcess, INFINITE) == WAIT_OBJECT_0) {
/* try to get the return value */
GetExitCodeProcess(shinfo.hProcess, &retval);
} else {
dbgprintf(PR_ERROR, "!!! ShellExecute() [%s] WaitForSingleObject() error %ld\n", argv0, GetLastError());
}
} else {
dbgprintf(PR_ERROR, "!!! ShellExecute() [%s] error %p\n", argv0, shinfo.hInstApp);
}
}
/* try to close, it may fail but .. what else could we do */
CloseHandle(shinfo.hProcess);
}
dbgprintf(PR_ALL, "--- %s(): ShellExecute() OK, exiting with code %ld\n", __FUNCTION__, retval);
exec_exit((int)retval);
} else {
dbgprintf(PR_EXEC, "ShellExecute() failed\n");
}
return (0);
}
