diff options
Diffstat (limited to 'common/sysutils.c')
| -rw-r--r-- | common/sysutils.c | 130 |
1 files changed, 129 insertions, 1 deletions
diff --git a/common/sysutils.c b/common/sysutils.c index 45a6d8c80..50713a5f0 100644 --- a/common/sysutils.c +++ b/common/sysutils.c @@ -212,6 +212,132 @@ any8bitchar (const char *string) #endif /*HAVE_W32_SYSTEM*/ +/* Helper for gnupg_w32_set_errno. */ +#ifdef HAVE_W32_SYSTEM +static int +map_w32_to_errno (DWORD w32_err) +{ + switch (w32_err) + { + case 0: + return 0; + + case ERROR_FILE_NOT_FOUND: + return ENOENT; + + case ERROR_PATH_NOT_FOUND: + return ENOENT; + + case ERROR_ACCESS_DENIED: + return EPERM; /* ReactOS uses EACCES ("Permission denied") and + * is likely right because they used an + * undocumented function to associate the error + * codes. However we have always used EPERM + * ("Operation not permitted", e.g. function is + * required to be called by root) and we better + * stick to that to avoid surprising bugs. */ + + case ERROR_INVALID_HANDLE: + return EBADF; + + case ERROR_INVALID_BLOCK: + return ENOMEM; + + case ERROR_NOT_ENOUGH_MEMORY: + return ENOMEM; + + case ERROR_NO_DATA: + return EPIPE; + + case ERROR_ALREADY_EXISTS: + return EEXIST; + + /* This mapping has been taken from reactOS. */ + case ERROR_TOO_MANY_OPEN_FILES: return EMFILE; + case ERROR_ARENA_TRASHED: return ENOMEM; + case ERROR_BAD_ENVIRONMENT: return E2BIG; + case ERROR_BAD_FORMAT: return ENOEXEC; + case ERROR_INVALID_DRIVE: return ENOENT; + case ERROR_CURRENT_DIRECTORY: return EACCES; + case ERROR_NOT_SAME_DEVICE: return EXDEV; + case ERROR_NO_MORE_FILES: return ENOENT; + case ERROR_WRITE_PROTECT: return EACCES; + case ERROR_BAD_UNIT: return EACCES; + case ERROR_NOT_READY: return EACCES; + case ERROR_BAD_COMMAND: return EACCES; + case ERROR_CRC: return EACCES; + case ERROR_BAD_LENGTH: return EACCES; + case ERROR_SEEK: return EACCES; + case ERROR_NOT_DOS_DISK: return EACCES; + case ERROR_SECTOR_NOT_FOUND: return EACCES; + case ERROR_OUT_OF_PAPER: return EACCES; + case ERROR_WRITE_FAULT: return EACCES; + case ERROR_READ_FAULT: return EACCES; + case ERROR_GEN_FAILURE: return EACCES; + case ERROR_SHARING_VIOLATION: return EACCES; + case ERROR_LOCK_VIOLATION: return EACCES; + case ERROR_WRONG_DISK: return EACCES; + case ERROR_SHARING_BUFFER_EXCEEDED: return EACCES; + case ERROR_BAD_NETPATH: return ENOENT; + case ERROR_NETWORK_ACCESS_DENIED: return EACCES; + case ERROR_BAD_NET_NAME: return ENOENT; + case ERROR_FILE_EXISTS: return EEXIST; + case ERROR_CANNOT_MAKE: return EACCES; + case ERROR_FAIL_I24: return EACCES; + case ERROR_NO_PROC_SLOTS: return EAGAIN; + case ERROR_DRIVE_LOCKED: return EACCES; + case ERROR_BROKEN_PIPE: return EPIPE; + case ERROR_DISK_FULL: return ENOSPC; + case ERROR_INVALID_TARGET_HANDLE: return EBADF; + case ERROR_WAIT_NO_CHILDREN: return ECHILD; + case ERROR_CHILD_NOT_COMPLETE: return ECHILD; + case ERROR_DIRECT_ACCESS_HANDLE: return EBADF; + case ERROR_SEEK_ON_DEVICE: return EACCES; + case ERROR_DIR_NOT_EMPTY: return ENOTEMPTY; + case ERROR_NOT_LOCKED: return EACCES; + case ERROR_BAD_PATHNAME: return ENOENT; + case ERROR_MAX_THRDS_REACHED: return EAGAIN; + case ERROR_LOCK_FAILED: return EACCES; + case ERROR_INVALID_STARTING_CODESEG: return ENOEXEC; + case ERROR_INVALID_STACKSEG: return ENOEXEC; + case ERROR_INVALID_MODULETYPE: return ENOEXEC; + case ERROR_INVALID_EXE_SIGNATURE: return ENOEXEC; + case ERROR_EXE_MARKED_INVALID: return ENOEXEC; + case ERROR_BAD_EXE_FORMAT: return ENOEXEC; + case ERROR_ITERATED_DATA_EXCEEDS_64k: return ENOEXEC; + case ERROR_INVALID_MINALLOCSIZE: return ENOEXEC; + case ERROR_DYNLINK_FROM_INVALID_RING: return ENOEXEC; + case ERROR_IOPL_NOT_ENABLED: return ENOEXEC; + case ERROR_INVALID_SEGDPL: return ENOEXEC; + case ERROR_AUTODATASEG_EXCEEDS_64k: return ENOEXEC; + case ERROR_RING2SEG_MUST_BE_MOVABLE: return ENOEXEC; + case ERROR_RELOC_CHAIN_XEEDS_SEGLIM: return ENOEXEC; + case ERROR_INFLOOP_IN_RELOC_CHAIN: return ENOEXEC; + case ERROR_FILENAME_EXCED_RANGE: return ENOENT; + case ERROR_NESTING_NOT_ALLOWED: return EAGAIN; + case ERROR_NOT_ENOUGH_QUOTA: return ENOMEM; + + default: + return EIO; + } +} +#endif /*HAVE_W32_SYSTEM*/ + + +/* Set ERRNO from the Windows error. EC may be -1 to use the last error. */ +#ifdef HAVE_W32_SYSTEM +void +gnupg_w32_set_errno (int ec) +{ + /* FIXME: Replace by gpgrt_w32_set_errno. */ + if (ec == -1) + ec = GetLastError (); + _set_errno (map_w32_to_errno (ec)); +} +#endif /*HAVE_W32_SYSTEM*/ + + + /* Allow the use of special "-&nnn" style file names. */ void enable_special_filenames (void) @@ -695,10 +821,12 @@ gnupg_remove (const char *fname) else { rc = DeleteFileW (wfname); + if (!rc) + gnupg_w32_set_errno (-1); xfree (wfname); } if (!rc) - return -1; /* ERRNO is automagically provided by gpg-error.h. */ + return -1; return 0; #else return remove (fname); |