* directory or online at http://www.openafs.org/dl/license10.html
*/
+#include <afsconfig.h>
+#include <afs/param.h>
+
+RCSID
+ ("$Header$");
+
#include <afs/stds.h>
#include <windows.h>
#include <stdlib.h>
#include <string.h>
#include <winioctl.h>
#include <winsock2.h>
+#define SECURITY_WIN32
+#include <security.h>
#include <nb30.h>
#include <osi.h>
#include <cm.h>
+#include <cm_dir.h>
#include <cm_cell.h>
#include <cm_user.h>
#include <cm_conn.h>
#include <cm_ioctl.h>
#include <smb.h>
-#include <cm.h>
#include <pioctl_nt.h>
+#include <lanahelper.h>
+
static char AFSConfigKeyName[] =
- "SYSTEM\\CurrentControlSet\\Services\\TransarcAFSDaemon\\Parameters";
+ "SYSTEM\\CurrentControlSet\\Services\\TransarcAFSDaemon\\Parameters";
#define FS_IOCTLREQUEST_MAXSIZE 8192
/* big structure for representing and storing an IOCTL request */
typedef struct fs_ioctlRequest {
- char *mp; /* marshalling/unmarshalling ptr */
- long nbytes; /* bytes received (when unmarshalling) */
- char data[FS_IOCTLREQUEST_MAXSIZE]; /* data we're marshalling */
+ char *mp; /* marshalling/unmarshalling ptr */
+ long nbytes; /* bytes received (when unmarshalling) */
+ char data[FS_IOCTLREQUEST_MAXSIZE]; /* data we're marshalling */
} fs_ioctlRequest_t;
-static int CMtoUNIXerror(int cm_code)
+static int
+CMtoUNIXerror(int cm_code)
{
- switch (cm_code) {
- case CM_ERROR_TIMEDOUT: return ETIMEDOUT;
- case CM_ERROR_NOACCESS: return EACCES;
- case CM_ERROR_NOSUCHFILE: return ENOENT;
- case CM_ERROR_INVAL: return EINVAL;
- case CM_ERROR_BADFD: return EBADF;
- case CM_ERROR_EXISTS: return EEXIST;
- case CM_ERROR_CROSSDEVLINK: return EXDEV;
- case CM_ERROR_NOTDIR: return ENOTDIR;
- case CM_ERROR_ISDIR: return EISDIR;
- case CM_ERROR_READONLY: return EROFS;
- case CM_ERROR_WOULDBLOCK: return EWOULDBLOCK;
- case CM_ERROR_NOSUCHCELL: return ESRCH; /* hack */
- case CM_ERROR_NOSUCHVOLUME: return EPIPE; /* hack */
- case CM_ERROR_NOMORETOKENS: return EDOM; /* hack */
- case CM_ERROR_TOOMANYBUFS: return EFBIG; /* hack */
- default: return ENOTTY;
- }
+ switch (cm_code) {
+ case CM_ERROR_TIMEDOUT:
+ return ETIMEDOUT;
+ case CM_ERROR_NOACCESS:
+ return EACCES;
+ case CM_ERROR_NOSUCHFILE:
+ return ENOENT;
+ case CM_ERROR_INVAL:
+ return EINVAL;
+ case CM_ERROR_BADFD:
+ return EBADF;
+ case CM_ERROR_EXISTS:
+ return EEXIST;
+ case CM_ERROR_CROSSDEVLINK:
+ return EXDEV;
+ case CM_ERROR_NOTDIR:
+ return ENOTDIR;
+ case CM_ERROR_ISDIR:
+ return EISDIR;
+ case CM_ERROR_READONLY:
+ return EROFS;
+ case CM_ERROR_WOULDBLOCK:
+ return EWOULDBLOCK;
+ case CM_ERROR_NOSUCHCELL:
+ return ESRCH; /* hack */
+ case CM_ERROR_NOSUCHVOLUME:
+ return EPIPE; /* hack */
+ case CM_ERROR_NOMORETOKENS:
+ return EDOM; /* hack */
+ case CM_ERROR_TOOMANYBUFS:
+ return EFBIG; /* hack */
+ default:
+ return ENOTTY;
+ }
}
-static void InitFSRequest(fs_ioctlRequest_t *rp)
+static void
+InitFSRequest(fs_ioctlRequest_t * rp)
{
- rp->mp = rp->data;
- rp->nbytes = 0;
+ rp->mp = rp->data;
+ rp->nbytes = 0;
}
-static long GetIoctlHandle(char *fileNamep, HANDLE *handlep)
+static BOOL
+IoctlDebug(void)
{
- char *drivep;
- char hostName[256];
- char tbuffer[100];
- char *ctemp;
- HANDLE fh;
- HKEY parmKey;
- DWORD dummyLen;
- long code;
-
- if (fileNamep) {
- drivep = strchr(fileNamep, ':');
- if (drivep && (drivep - fileNamep) >= 1) {
- tbuffer[0] = *(drivep-1);
- tbuffer[1] = ':';
- strcpy(tbuffer+2, SMB_IOCTL_FILENAME);
- } else
- strcpy(tbuffer, SMB_IOCTL_FILENAME);
- }
- else {
- /* No file name specified, use UNC name */
- /* First look for gateway host in Registry */
- code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSConfigKeyName,
- 0, KEY_QUERY_VALUE, &parmKey);
- if (code != ERROR_SUCCESS)
- goto nogateway;
- dummyLen = sizeof(hostName);
- code = RegQueryValueEx(parmKey, "Gateway", NULL, NULL,
- hostName, &dummyLen);
- RegCloseKey (parmKey);
- if (code == ERROR_SUCCESS)
- goto havehost;
-nogateway:
- /* No gateway name in registry; use ourself */
- gethostname(hostName, sizeof(hostName));
-havehost:
- ctemp = strchr(hostName, '.'); /* turn ntafs.* into ntafs */
- if (ctemp) *ctemp = 0;
- hostName[11] = 0;
-
- _strupr(hostName);
- sprintf(tbuffer, "\\\\%s-AFS\\all%s",
- hostName, SMB_IOCTL_FILENAME);
+ static int init = 0;
+ static BOOL debug = 0;
+
+ if ( !init ) {
+ HKEY hk;
+
+ if (RegOpenKey (HKEY_LOCAL_MACHINE,
+ TEXT("Software\\OpenAFS\\Client"), &hk) == 0)
+ {
+ DWORD dwSize = sizeof(BOOL);
+ DWORD dwType = REG_DWORD;
+ RegQueryValueEx (hk, TEXT("IoctlDebug"), NULL, &dwType, (PBYTE)&debug, &dwSize);
+ RegCloseKey (hk);
}
- /* now open the file */
- fh = CreateFile(tbuffer, GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
- OPEN_EXISTING, FILE_FLAG_WRITE_THROUGH, NULL);
- if (fh == INVALID_HANDLE_VALUE)
- return -1;
-
- /* return fh and success code */
- *handlep = fh;
- return 0;
+ init = 1;
+ }
+
+ return debug;
}
-static long Transceive(HANDLE handle, fs_ioctlRequest_t *reqp)
+static long
+GetIoctlHandle(char *fileNamep, HANDLE * handlep)
{
- long rcount;
- long ioCount;
-
- rcount = reqp->mp - reqp->data;
- if (rcount <= 0) return EINVAL; /* not supposed to happen */
-
- if (!WriteFile(handle, reqp->data, rcount, &ioCount, NULL)) {
- /* failed to write */
- return GetLastError();
+ char *drivep;
+ char netbiosName[MAX_NB_NAME_LENGTH];
+ char tbuffer[256]="";
+ HANDLE fh;
+ HKEY hk;
+ char szUser[128] = "";
+ char szClient[MAX_PATH] = "";
+ char szPath[MAX_PATH] = "";
+ NETRESOURCE nr;
+ DWORD res;
+ DWORD ioctlDebug = IoctlDebug();
+ DWORD gle;
+ DWORD dwSize = sizeof(szUser);
+
+ if (fileNamep) {
+ drivep = strchr(fileNamep, ':');
+ if (drivep && (drivep - fileNamep) >= 1) {
+ tbuffer[0] = *(drivep - 1);
+ tbuffer[1] = ':';
+ strcpy(tbuffer + 2, SMB_IOCTL_FILENAME);
+ } else if (fileNamep[0] == fileNamep[1] &&
+ fileNamep[0] == '\\')
+ {
+ int count = 0, i = 0;
+
+ while (count < 4 && fileNamep[i]) {
+ tbuffer[i] = fileNamep[i];
+ if ( tbuffer[i++] == '\\' )
+ count++;
+ }
+ if (fileNamep[i] == 0)
+ tbuffer[i++] = '\\';
+ tbuffer[i] = 0;
+ strcat(tbuffer, SMB_IOCTL_FILENAME);
+ } else {
+ char curdir[256]="";
+
+ GetCurrentDirectory(sizeof(curdir), curdir);
+ if ( curdir[1] == ':' ) {
+ tbuffer[0] = curdir[0];
+ tbuffer[1] = ':';
+ strcpy(tbuffer + 2, SMB_IOCTL_FILENAME);
+ } else if (curdir[0] == curdir[1] &&
+ curdir[0] == '\\')
+ {
+ int count = 0, i = 0;
+
+ while (count < 4 && curdir[i]) {
+ tbuffer[i] = curdir[i];
+ if ( tbuffer[i++] == '\\' )
+ count++;
+ }
+ if (tbuffer[i] == 0)
+ tbuffer[i++] = '\\';
+ tbuffer[i] = 0;
+ strcat(tbuffer, SMB_IOCTL_FILENAME_NOSLASH);
+ }
}
-
- if (!ReadFile(handle, reqp->data, sizeof(reqp->data), &ioCount, NULL)) {
- /* failed to read */
- return GetLastError();
+ }
+ if (!tbuffer[0]) {
+ /* No file name starting with drive colon specified, use UNC name */
+ lana_GetNetbiosName(netbiosName,LANA_NETBIOS_NAME_FULL);
+ sprintf(tbuffer,"\\\\%s\\all%s",netbiosName,SMB_IOCTL_FILENAME);
+ }
+
+ fflush(stdout);
+ /* now open the file */
+ fh = CreateFile(tbuffer, GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
+ FILE_FLAG_WRITE_THROUGH, NULL);
+ fflush(stdout);
+ if (fh == INVALID_HANDLE_VALUE) {
+ gle = GetLastError();
+ if (gle && ioctlDebug ) {
+ char buf[4096];
+
+ if ( FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL,
+ gle,
+ MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),
+ buf,
+ 4096,
+ (va_list *) NULL
+ ) )
+ {
+ fprintf(stderr,"pioctl CreateFile(%s) failed: 0x%8X\r\n\t[%s]\r\n",
+ tbuffer,gle,buf);
+ }
}
-
- reqp->nbytes = ioCount; /* set # of bytes available */
- reqp->mp = reqp->data; /* restart marshalling */
+#ifdef COMMENT
+ if (gle != ERROR_DOWNGRADE_DETECTED)
+ return -1;
+#endif
- /* return success */
- return 0;
+ lana_GetNetbiosName(szClient, LANA_NETBIOS_NAME_FULL);
+
+ if (RegOpenKey (HKEY_CURRENT_USER,
+ TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer"), &hk) == 0)
+ {
+ DWORD dwType = REG_SZ;
+ RegQueryValueEx (hk, TEXT("Logon User Name"), NULL, &dwType, (PBYTE)szUser, &dwSize);
+ RegCloseKey (hk);
+ }
+
+ if ( szUser[0] ) {
+ if ( ioctlDebug )
+ fprintf(stderr, "pioctl logon user: [%s]\r\n",szUser);
+
+ sprintf(szPath, "\\\\%s", szClient);
+ memset (&nr, 0x00, sizeof(NETRESOURCE));
+ nr.dwType=RESOURCETYPE_DISK;
+ nr.lpLocalName=0;
+ nr.lpRemoteName=szPath;
+ res = WNetAddConnection2(&nr,NULL,szUser,0);
+ if (res) {
+ if ( ioctlDebug ) {
+ fprintf(stderr, "pioctl WNetAddConnection2(%s,%s) failed: 0x%X\r\n",
+ szPath,szUser,res);
+ }
+
+ sprintf(szPath, "\\\\%s\\all", szClient);
+ res = WNetAddConnection2(&nr,NULL,szUser,0);
+ if (res) {
+ if ( ioctlDebug ) {
+ fprintf(stderr, "pioctl WNetAddConnection2(%s,%s) failed: 0x%X\r\n",
+ szPath,szUser,res);
+ }
+ goto next_attempt;
+ }
+ }
+
+ fh = CreateFile(tbuffer, GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
+ FILE_FLAG_WRITE_THROUGH, NULL);
+ fflush(stdout);
+ if (fh == INVALID_HANDLE_VALUE) {
+ gle = GetLastError();
+ if (gle && ioctlDebug ) {
+ char buf[4096];
+
+ if ( FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL,
+ gle,
+ MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),
+ buf,
+ 4096,
+ (va_list *) NULL
+ ) )
+ {
+ fprintf(stderr,"pioctl CreateFile(%s) failed: 0x%8X\r\n\t[%s]\r\n",
+ tbuffer,gle,buf);
+ }
+ }
+ }
+ }
+ }
+
+ next_attempt:
+ if ( fh == INVALID_HANDLE_VALUE ) {
+ if (GetUserNameEx(NameSamCompatible, szUser, &dwSize)) {
+ if ( ioctlDebug )
+ fprintf(stderr, "pioctl logon user: [%s]\r\n",szUser);
+
+ sprintf(szPath, "\\\\%s", szClient);
+ memset (&nr, 0x00, sizeof(NETRESOURCE));
+ nr.dwType=RESOURCETYPE_DISK;
+ nr.lpLocalName=0;
+ nr.lpRemoteName=szPath;
+ res = WNetAddConnection2(&nr,NULL,szUser,0);
+ if (res) {
+ if ( ioctlDebug ) {
+ fprintf(stderr, "pioctl WNetAddConnection2(%s,%s) failed: 0x%X\r\n",
+ szPath,szUser,res);
+ }
+
+ sprintf(szPath, "\\\\%s\\all", szClient);
+ res = WNetAddConnection2(&nr,NULL,szUser,0);
+ if (res) {
+ if ( ioctlDebug ) {
+ fprintf(stderr, "pioctl WNetAddConnection2(%s,%s) failed: 0x%X\r\n",
+ szPath,szUser,res);
+ }
+ return -1;
+ }
+ }
+
+ fh = CreateFile(tbuffer, GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
+ FILE_FLAG_WRITE_THROUGH, NULL);
+ fflush(stdout);
+ if (fh == INVALID_HANDLE_VALUE) {
+ gle = GetLastError();
+ if (gle && ioctlDebug ) {
+ char buf[4096];
+
+ if ( FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL,
+ gle,
+ MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),
+ buf,
+ 4096,
+ (va_list *) NULL
+ ) )
+ {
+ fprintf(stderr,"pioctl CreateFile(%s) failed: 0x%8X\r\n\t[%s]\r\n",
+ tbuffer,gle,buf);
+ }
+ }
+ return -1;
+ }
+ }
+ }
+
+ /* return fh and success code */
+ *handlep = fh;
+ return 0;
}
-static long MarshallLong(fs_ioctlRequest_t *reqp, long val)
+static long
+Transceive(HANDLE handle, fs_ioctlRequest_t * reqp)
{
- memcpy(reqp->mp, &val, 4);
- reqp->mp += 4;
- return 0;
+ long rcount;
+ long ioCount;
+ DWORD gle;
+
+ rcount = reqp->mp - reqp->data;
+ if (rcount <= 0) {
+ if ( IoctlDebug() )
+ fprintf(stderr, "pioctl Transceive rcount <= 0: %d\r\n",rcount);
+ return EINVAL; /* not supposed to happen */
+ }
+
+ if (!WriteFile(handle, reqp->data, rcount, &ioCount, NULL)) {
+ /* failed to write */
+ gle = GetLastError();
+
+ if ( IoctlDebug() )
+ fprintf(stderr, "pioctl Transceive WriteFile failed: 0x%X\r\n",gle);
+ return gle;
+ }
+
+ if (!ReadFile(handle, reqp->data, sizeof(reqp->data), &ioCount, NULL)) {
+ /* failed to read */
+ gle = GetLastError();
+
+ if ( IoctlDebug() )
+ fprintf(stderr, "pioctl Transceive ReadFile failed: 0x%X\r\n",gle);
+ return gle;
+ }
+
+ reqp->nbytes = ioCount; /* set # of bytes available */
+ reqp->mp = reqp->data; /* restart marshalling */
+
+ /* return success */
+ return 0;
+}
+
+static long
+MarshallLong(fs_ioctlRequest_t * reqp, long val)
+{
+ memcpy(reqp->mp, &val, 4);
+ reqp->mp += 4;
+ return 0;
}
-static long UnmarshallLong(fs_ioctlRequest_t *reqp, long *valp)
+static long
+UnmarshallLong(fs_ioctlRequest_t * reqp, long *valp)
{
- /* not enough data left */
- if (reqp->nbytes < 4) return -1;
+ /* not enough data left */
+ if (reqp->nbytes < 4) {
+ if ( IoctlDebug() )
+ fprintf(stderr, "pioctl UnmarshallLong reqp->nbytes < 4: %d\r\n",
+ reqp->nbytes);
+ return -1;
+ }
- memcpy(valp, reqp->mp, 4);
- reqp->mp += 4;
- reqp->nbytes -= 4;
- return 0;
+ memcpy(valp, reqp->mp, 4);
+ reqp->mp += 4;
+ reqp->nbytes -= 4;
+ return 0;
}
/* includes marshalling NULL pointer as a null (0 length) string */
-static long MarshallString(fs_ioctlRequest_t *reqp, char *stringp)
+static long
+MarshallString(fs_ioctlRequest_t * reqp, char *stringp)
{
- int count;
-
- if (stringp)
- count = strlen(stringp) + 1; /* space required including null */
- else count = 1;
-
- /* watch for buffer overflow */
- if ((reqp->mp - reqp->data) + count > sizeof(reqp->data)) return -1;
-
- if (stringp) memcpy(reqp->mp, stringp, count);
- else *(reqp->mp) = 0;
- reqp->mp += count;
- return 0;
+ int count;
+
+ if (stringp)
+ count = strlen(stringp) + 1; /* space required including null */
+ else
+ count = 1;
+
+ /* watch for buffer overflow */
+ if ((reqp->mp - reqp->data) + count > sizeof(reqp->data)) {
+ if ( IoctlDebug() )
+ fprintf(stderr, "pioctl MarshallString buffer overflow\r\n");
+ return -1;
+ }
+
+ if (stringp)
+ memcpy(reqp->mp, stringp, count);
+ else
+ *(reqp->mp) = 0;
+ reqp->mp += count;
+ return 0;
}
/* take a path with a drive letter, possibly relative, and return a full path
* without the drive letter. This is the full path relative to the working
* dir for that drive letter. The input and output paths can be the same.
*/
-static long fs_GetFullPath(char *pathp, char *outPathp, long outSize)
+static long
+fs_GetFullPath(char *pathp, char *outPathp, long outSize)
{
- char tpath[1000];
- char origPath[1000];
- char *firstp;
- long code;
- int pathHasDrive;
- int doSwitch;
- char newPath[3];
-
- if (pathp[0] != 0 && pathp[1] == ':') {
- /* there's a drive letter there */
- firstp = pathp+2;
- pathHasDrive = 1;
- }
- else {
- firstp = pathp;
- pathHasDrive = 0;
- }
-
- if (*firstp == '\\' || *firstp == '/') {
- /* already an absolute pathname, just copy it back */
- strcpy(outPathp, firstp);
- return 0;
+ char tpath[1000];
+ char origPath[1000];
+ char *firstp;
+ long code;
+ int pathHasDrive;
+ int doSwitch;
+ char newPath[3];
+
+ if (pathp[0] != 0 && pathp[1] == ':') {
+ /* there's a drive letter there */
+ firstp = pathp + 2;
+ pathHasDrive = 1;
+ } else {
+ firstp = pathp;
+ pathHasDrive = 0;
+ }
+
+ if ( firstp[0] == '\\' && firstp[1] == '\\') {
+ /* UNC path - strip off the server and sharename */
+ int i, count;
+ for ( i=2,count=2; count < 4 && firstp[i]; i++ ) {
+ if ( firstp[i] == '\\' || firstp[i] == '/' ) {
+ count++;
+ }
}
-
- GetCurrentDirectory(sizeof(origPath), origPath);
-
- doSwitch = 0;
- if (pathHasDrive && (*pathp & ~0x20) != (origPath[0] & ~0x20)) {
- /* a drive has been specified and it isn't our current drive.
- * to get path, switch to it first. Must case-fold drive letters
- * for user convenience.
- */
- doSwitch = 1;
- newPath[0] = *pathp;
- newPath[1] = ':';
- newPath[2] = 0;
- if (!SetCurrentDirectory(newPath)) {
- code = GetLastError();
- return code;
- }
+ if ( firstp[i] == 0 ) {
+ strcpy(outPathp,"\\");
+ } else {
+ strcpy(outPathp,&firstp[--i]);
}
-
- /* now get the absolute path to the current wdir in this drive */
- GetCurrentDirectory(sizeof(tpath), tpath);
- strcpy(outPathp, tpath+2); /* skip drive letter */
- /* if there is a non-null name after the drive, append it */
- if (*firstp != 0) {
- strcat(outPathp, "\\");
- strcat(outPathp, firstp);
+ return 0;
+ } else if (firstp[0] == '\\' || firstp[0] == '/') {
+ /* already an absolute pathname, just copy it back */
+ strcpy(outPathp, firstp);
+ return 0;
+ }
+
+ GetCurrentDirectory(sizeof(origPath), origPath);
+
+ doSwitch = 0;
+ if (pathHasDrive && (*pathp & ~0x20) != (origPath[0] & ~0x20)) {
+ /* a drive has been specified and it isn't our current drive.
+ * to get path, switch to it first. Must case-fold drive letters
+ * for user convenience.
+ */
+ doSwitch = 1;
+ newPath[0] = *pathp;
+ newPath[1] = ':';
+ newPath[2] = 0;
+ if (!SetCurrentDirectory(newPath)) {
+ code = GetLastError();
+
+ if ( IoctlDebug() )
+ fprintf(stderr, "pioctl fs_GetFullPath SetCurrentDirectory(%s) failed: 0x%X\r\n",
+ newPath, code);
+ return code;
}
+ }
- /* finally, if necessary, switch back to our home drive letter */
- if (doSwitch) {
- SetCurrentDirectory(origPath);
+ /* now get the absolute path to the current wdir in this drive */
+ GetCurrentDirectory(sizeof(tpath), tpath);
+ if (tpath[1] == ':')
+ strcpy(outPathp, tpath + 2); /* skip drive letter */
+ else if ( tpath[0] == '\\' && tpath[1] == '\\') {
+ /* UNC path - strip off the server and sharename */
+ int i, count;
+ for ( i=2,count=2; count < 4 && tpath[i]; i++ ) {
+ if ( tpath[i] == '\\' || tpath[i] == '/' ) {
+ count++;
+ }
}
-
- return 0;
+ if ( tpath[i] == 0 ) {
+ strcpy(outPathp,"\\");
+ } else {
+ strcpy(outPathp,&tpath[--i]);
+ }
+ } else {
+ /* this should never happen */
+ strcpy(outPathp, tpath);
+ }
+
+ /* if there is a non-null name after the drive, append it */
+ if (*firstp != 0) {
+ int len = strlen(outPathp);
+ if (outPathp[len-1] != '\\' && outPathp[len-1] != '/')
+ strcat(outPathp, "\\");
+ strcat(outPathp, firstp);
+ }
+
+ /* finally, if necessary, switch back to our home drive letter */
+ if (doSwitch) {
+ SetCurrentDirectory(origPath);
+ }
+
+ return 0;
}
-long pioctl(char *pathp, long opcode, struct ViceIoctl *blobp, int follow)
+long
+pioctl(char *pathp, long opcode, struct ViceIoctl *blobp, int follow)
{
- fs_ioctlRequest_t preq;
- long code;
- long temp;
- char fullPath[1000];
- HANDLE reqHandle;
-
- code = GetIoctlHandle(pathp, &reqHandle);
- if (code) {
- if (pathp)
- errno = EINVAL;
- else
- errno = ENODEV;
+ fs_ioctlRequest_t preq;
+ long code;
+ long temp;
+ char fullPath[1000];
+ HANDLE reqHandle;
+
+ code = GetIoctlHandle(pathp, &reqHandle);
+ if (code) {
+ if (pathp)
+ errno = EINVAL;
+ else
+ errno = ENODEV;
+ return code;
+ }
+
+ /* init the request structure */
+ InitFSRequest(&preq);
+
+ /* marshall the opcode, the path name and the input parameters */
+ MarshallLong(&preq, opcode);
+ /* when marshalling the path, remove the drive letter, since we already
+ * used the drive letter to find the AFS daemon; we don't need it any more.
+ * Eventually we'll expand relative path names here, too, since again, only
+ * we understand those.
+ */
+ if (pathp) {
+ code = fs_GetFullPath(pathp, fullPath, sizeof(fullPath));
+ if (code) {
+ CloseHandle(reqHandle);
+ errno = EINVAL;
return code;
}
+ } else {
+ strcpy(fullPath, "");
+ }
- /* init the request structure */
- InitFSRequest(&preq);
-
- /* marshall the opcode, the path name and the input parameters */
- MarshallLong(&preq, opcode);
- /* when marshalling the path, remove the drive letter, since we already
- * used the drive letter to find the AFS daemon; we don't need it any more.
- * Eventually we'll expand relative path names here, too, since again, only
- * we understand those.
- */
- if (pathp) {
- code = fs_GetFullPath(pathp, fullPath, sizeof(fullPath));
- if (code) {
- CloseHandle(reqHandle);
- errno = EINVAL;
- return code;
- }
- }
- else {
- strcpy(fullPath, "");
- }
+ MarshallString(&preq, fullPath);
+ if (blobp->in_size) {
+ memcpy(preq.mp, blobp->in, blobp->in_size);
+ preq.mp += blobp->in_size;
+ }
- MarshallString(&preq, fullPath);
- if (blobp->in_size) {
- memcpy(preq.mp, blobp->in, blobp->in_size);
- preq.mp += blobp->in_size;
- }
-
- /* now make the call */
- code = Transceive(reqHandle, &preq);
- if (code) {
- CloseHandle(reqHandle);
- return code;
- }
-
- /* now unmarshall the return value */
- UnmarshallLong(&preq, &temp);
- if (temp != 0) {
- CloseHandle(reqHandle);
- errno = CMtoUNIXerror(temp);
- return -1;
- }
-
- /* otherwise, unmarshall the output parameters */
- if (blobp->out_size) {
- temp = blobp->out_size;
- if (preq.nbytes < temp) temp = preq.nbytes;
- memcpy(blobp->out, preq.mp, temp);
- blobp->out_size = temp;
- }
-
- /* and return success */
+ /* now make the call */
+ code = Transceive(reqHandle, &preq);
+ if (code) {
CloseHandle(reqHandle);
- return 0;
+ return code;
+ }
+
+ /* now unmarshall the return value */
+ if (UnmarshallLong(&preq, &temp) != 0) {
+ CloseHandle(reqHandle);
+ return -1;
+ }
+
+ if (temp != 0) {
+ CloseHandle(reqHandle);
+ errno = CMtoUNIXerror(temp);
+ if ( IoctlDebug() )
+ fprintf(stderr, "pioctl temp != 0: 0x%X\r\n",temp);
+ return -1;
+ }
+
+ /* otherwise, unmarshall the output parameters */
+ if (blobp->out_size) {
+ temp = blobp->out_size;
+ if (preq.nbytes < temp)
+ temp = preq.nbytes;
+ memcpy(blobp->out, preq.mp, temp);
+ blobp->out_size = temp;
+ }
+
+ /* and return success */
+ CloseHandle(reqHandle);
+ return 0;
}
git://git.openafs.org / openafs.git / blobdiff