mirror of
https://github.com/PowerShell/Win32-OpenSSH.git
synced 2025-07-24 14:35:35 +02:00
fix for 2012 read issue and refactored changes in libssh
This commit is contained in:
manojampalam
parent
fa0fdc47a6
commit
689073e46a
@ -121,7 +121,7 @@ sshkey_load_file(int fd, struct sshbuf *blob)
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goto out;
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}
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}
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#ifndef WIN32_FIXME
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#ifndef WIN32_FIXME//R
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if ((st.st_mode & (S_IFSOCK|S_IFCHR|S_IFIFO)) == 0 &&
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st.st_size != (off_t)sshbuf_len(blob)) {
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r = SSH_ERR_FILE_CHANGED;
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@ -183,7 +183,7 @@ sshkey_perm_ok(int fd, const char *filename)
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if (check_ntsec(filename))
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#endif
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#ifndef WIN32_FIXME
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#ifndef WIN32_FIXME//R
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if ((st.st_uid == getuid()) && (st.st_mode & 077) != 0) {
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error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
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error("@ WARNING: UNPROTECTED PRIVATE KEY FILE! @");
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@ -209,11 +209,7 @@ sshkey_load_private_type(int type, const char *filename, const char *passphrase,
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if (commentp != NULL)
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*commentp = NULL;
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#ifdef WIN32_FIXME
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if ((fd = open(filename, O_RDONLY | O_BINARY)) < 0) {
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#else
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if ((fd = open(filename, O_RDONLY)) < 0) {
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#endif
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if (perm_ok != NULL)
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*perm_ok = 0;
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58
bufaux.c
58
bufaux.c
@ -257,62 +257,4 @@ buffer_put_bignum2_from_string(Buffer *buffer, const u_char *s, u_int l)
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fatal("%s: %s", __func__, ssh_err(ret));
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}
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#ifdef WIN32_FIXME
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/*
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* Pop string UTF8 string from buffer and convert it to Local8.
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* This function guaranty, that data (received in UTF8 from network)
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* are correctly translated to local8 CP used by current thread.
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*
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* WARNING: Returned string MUST be free by caller.
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*
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* b - Buffer struct to read data (IN).
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* len - length of returned Locla8 string (OUT).
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*
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* RETURNS: Pointer to new allocated Local8 string or NULL if error.
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*/
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void *buffer_get_string_local8_from_utf8(Buffer *b, u_int *len)
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{
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char *local8 = NULL;
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char *utf8 = buffer_get_string(b, len);
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if (utf8)
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{
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local8 = CovertUtf8ToLocal8(utf8, -1, len);
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free(utf8);
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}
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return local8;
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}
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/*
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* Convert string from Local8 to UTF8 and push it into buffer.
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* This function guaranty, that data stored in local8 CP used by current
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* thread are convert to UTF8 before sent to network.
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*
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* b - Buffer struct to read data (IN).
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* str - Local8 string to push (IN).
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* len - size of str size in bytes (IN).
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*
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*/
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void buffer_put_string_local8_to_utf8(Buffer *b, const void *str, u_int len)
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{
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u_int utf8Len = 0;
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char *utf8 = ConvertLocal8ToUtf8(str, len, &utf8Len);
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if (utf8)
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{
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buffer_put_string(b, utf8, utf8Len);
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free(utf8);
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}
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}
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#endif /* WIN32_FIXME */
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8
buffer.h
8
buffer.h
@ -73,14 +73,6 @@ void buffer_put_string(Buffer *, const void *, u_int);
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char *buffer_get_cstring(Buffer *, u_int *);
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void buffer_put_cstring(Buffer *, const char *);
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#ifdef WIN32_FIXME
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void *buffer_get_string_local8_from_utf8(Buffer *, u_int *);
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void buffer_put_string_local8_to_utf8(Buffer *, const void *, u_int);
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#endif /* WIN32_FIXME */
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#define buffer_skip_string(b) (void)buffer_get_string_ptr(b, NULL);
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int buffer_put_bignum_ret(Buffer *, const BIGNUM *);
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38
channels.c
38
channels.c
@ -84,11 +84,6 @@
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#include "authfd.h"
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#include "pathnames.h"
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//#ifdef WIN32_FIXME
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//#define isatty(a) WSHELPisatty(a)
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//#define SFD_TYPE_CONSOLE 4
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//#endif
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/* -- channel core */
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@ -1679,14 +1674,6 @@ channel_handle_rfd(Channel *c, fd_set *readset, fd_set *writeset)
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if (c->rfd != -1 && (force || FD_ISSET(c->rfd, readset))) {
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errno = 0;
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len = read(c->rfd, buf, sizeof(buf));
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#ifdef WIN32_FIXME
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if (len == 0) {
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//if ( get_sfd_type(c->rfd) == SFD_TYPE_CONSOLE)
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if(isatty(c->rfd))
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return 1; // in Win32 console read, there may be no data, but is ok
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}
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#endif
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if (len < 0 && (errno == EINTR ||
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((errno == EAGAIN || errno == EWOULDBLOCK) && !force)))
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return 1;
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@ -1795,7 +1782,7 @@ channel_handle_wfd(Channel *c, fd_set *readset, fd_set *writeset)
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}
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return -1;
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}
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#ifndef WIN32_FIXME
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#ifndef WIN32_FIXME//R
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#ifndef BROKEN_TCGETATTR_ICANON
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if (compat20 && c->isatty && dlen >= 1 && buf[0] != '\r') {
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if (tcgetattr(c->wfd, &tio) == 0 &&
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@ -2222,8 +2209,6 @@ channel_prepare_select(fd_set **readsetp, fd_set **writesetp, int *maxfdp,
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* Winsock can't support this sort of fdset reallocation
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*/
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#if(1)//ndef WIN32_FIXME
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nfdset = howmany(n+1, NFDBITS);
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/* Explicitly test here, because xrealloc isn't always called */
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if (nfdset && SIZE_MAX / nfdset < sizeof(fd_mask))
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@ -2236,25 +2221,11 @@ channel_prepare_select(fd_set **readsetp, fd_set **writesetp, int *maxfdp,
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*writesetp = xreallocarray(*writesetp, nfdset, sizeof(fd_mask));
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*nallocp = sz;
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}
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#endif /* WIN32_FIXME */
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*maxfdp = n;
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#if(0)//def WIN32_FIXME
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if (*readsetp == NULL)
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{
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*readsetp = malloc(sizeof(fd_set));
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*writesetp = malloc(sizeof(fd_set));
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}
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FD_ZERO(*readsetp);
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FD_ZERO(*writesetp);
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#else /* WIN32_FIXME */
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memset(*readsetp, 0, sz);
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memset(*writesetp, 0, sz);
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#endif /* else WIN32_FIXME */
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if (!rekeying)
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channel_handler(channel_pre, *readsetp, *writesetp,
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@ -2408,9 +2379,6 @@ channel_input_data(int type, u_int32_t seq, void *ctxt)
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const u_char *data;
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u_int data_len, win_len;
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Channel *c;
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#ifdef WIN32_FIXME
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static charinline = 0; // counts characters in a line for sshd in tty mode
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#endif
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/* Get the channel number and verify it. */
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id = packet_get_int();
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@ -2509,7 +2477,7 @@ channel_input_extended_data(int type, u_int32_t seq, void *ctxt)
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}
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debug2("channel %d: rcvd ext data %d", c->self, data_len);
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c->local_window -= data_len;
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#ifndef WIN32_FIXME
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#ifndef WIN32_FIXME//N
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buffer_append(&c->extended, data, data_len);
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#else
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if ( c->client_tty )
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@ -3911,7 +3879,7 @@ channel_connect_to_path(const char *path, char *ctype, char *rname)
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return connect_to(path, PORT_STREAMLOCAL, ctype, rname);
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}
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#ifndef WIN32_FIXME
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#ifndef WIN32_FIXME//N
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void
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channel_send_window_changes(void)
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{
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@ -60,7 +60,7 @@ errno_from_Win32Error(int win32_error)
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case ERROR_FILE_NOT_FOUND:
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return ENOENT;
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default:
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return EOTHER;
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return win32_error;
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}
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}
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@ -355,7 +355,7 @@ fileio_read(struct w32_io* pio, void *dst, unsigned int max) {
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else {
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if (-1 == fileio_ReadFileEx(pio)) {
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if ((FILETYPE(pio) == FILE_TYPE_PIPE)
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&& (errno == ERROR_NEGATIVE_SEEK)) {
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&& (errno == ERROR_BROKEN_PIPE)) {
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/* write end of the pipe closed */
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debug("read - no more data, io:%p", pio);
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errno = 0;
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@ -462,6 +462,10 @@ fileio_write(struct w32_io* pio, const void *buf, unsigned int max) {
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errno = errno_from_Win32Error(pio->write_details.error);
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debug("write - ERROR:%d on prior unblocking write, io:%p", errno, pio);
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pio->write_details.error = 0;
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if ((FILETYPE(pio) == FILE_TYPE_PIPE) && (errno == ERROR_BROKEN_PIPE)) {
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debug("write - ERROR:read end of the pipe closed, io:%p", pio);
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errno = EPIPE;
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}
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return -1;
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}
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@ -498,7 +502,7 @@ fileio_write(struct w32_io* pio, const void *buf, unsigned int max) {
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else {
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errno = errno_from_Win32LastError();
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/* read end of the pipe closed ? */
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if ((FILETYPE(pio) == FILE_TYPE_PIPE) && (errno == ERROR_NEGATIVE_SEEK)) {
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if ((FILETYPE(pio) == FILE_TYPE_PIPE) && (errno == ERROR_BROKEN_PIPE)) {
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debug("write - ERROR:read end of the pipe closed, io:%p", pio);
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errno = EPIPE;
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}
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5
dns.c
5
dns.c
@ -204,7 +204,7 @@ int
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verify_host_key_dns(const char *hostname, struct sockaddr *address,
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struct sshkey *hostkey, int *flags)
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{
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#ifndef WIN32_FIXME
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#ifndef WIN32_FIXME//R
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u_int counter;
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int result;
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struct rrsetinfo *fingerprints = NULL;
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@ -308,7 +308,8 @@ verify_host_key_dns(const char *hostname, struct sockaddr *address,
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return 0;
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#else
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return 0;
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error("dns host key verification is not supported in Windows");
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return -1;
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#endif /* else !WIN32_FIXME */
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}
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@ -532,7 +532,7 @@ int
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hostfile_replace_entries(const char *filename, const char *host, const char *ip,
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struct sshkey **keys, size_t nkeys, int store_hash, int quiet, int hash_alg)
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{
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#ifndef WIN32_FIXME
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#ifndef WIN32_FIXME//R
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int r, fd, oerrno = 0;
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int loglevel = quiet ? SYSLOG_LEVEL_DEBUG1 : SYSLOG_LEVEL_VERBOSE;
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struct host_delete_ctx ctx;
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@ -648,7 +648,7 @@ hostfile_replace_entries(const char *filename, const char *host, const char *ip,
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errno = oerrno;
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return r;
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#else
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//PRAGMA:TODO
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error("replacing host file entries is not supported in Windows");
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return 0;
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#endif
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}
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