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known_hosts: Fail when parsing unknown keys in known_hosts file.

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libssh2_knownhost_readfile() silently ignored problems when reading keys
in unsupported formats from the known hosts file. When the file is
written again from the internal structures of libssh2 it gets truntcated
to the point where the first unknown key was located.

 * src/knownhost.c:libssh2_knownhost_readfile() - return error if key
                                                  parsing fails
This commit is contained in:
Peter Krempa
2012-08-21 18:53:22 +02:00
committed by Daniel Stenberg
parent 05641218bc
commit 6af85b6053
2 changed files with 5 additions and 1 deletions
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include/libssh2.h
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@@ -405,6 +405,7 @@ typedef struct _LIBSSH2_POLLFD {
#define LIBSSH2_ERROR_SOCKET_RECV -43
#define LIBSSH2_ERROR_ENCRYPT -44
#define LIBSSH2_ERROR_BAD_SOCKET -45
#define LIBSSH2_ERROR_KNOWN_HOSTS -46
/* this is a define to provide the old (<= 1.2.7) name */
#define LIBSSH2_ERROR_BANNER_NONE LIBSSH2_ERROR_BANNER_RECV