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Make OS/400 implementation work again (#953)

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* os400: support QADRT development files in a non-standard directory

This enables the possibility to compile libssh2 even if the ascii
runtime development files are not installed system-wide.

* userauth_kbd_packet: fix a pointer target type mismatch.

A temporary variable matching the parameter type is used before copying
to the real target and checking for overflow (that should not occur!).

* os400qc3: move and fix big number procedures

A bug added by a previous code style cleaning is fixed.
_libssh2_random() now checks and return the success status.

* os400qc3: fix cipher definition block lengths

They were wrongly set to the key size.

* Diffie-Hellman min/max modulus sizes are dependent of crypto-backend

In particular, os400qc3 limits the maximum group size to 2048-bits.
Move definitions of these parameters to crypto backend header files.

* kex: return an error if Diffie-Hellman key pair generation fails

* os400: add an ascii assert.h header file

* os400qc3: implement RSA SHA2 256/512
This commit is contained in:
monnerat
2023-04-13 14:08:12 +02:00
committed by GitHub
parent bf85faaa92
commit 6dc42e9d62
13 changed files with 383 additions and 251 deletions
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8
include/libssh2.h
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@@ -228,14 +228,6 @@ typedef off_t libssh2_struct_stat_size;
#define LIBSSH2_SSH_DEFAULT_BANNER LIBSSH2_SSH_BANNER
#define LIBSSH2_SSH_DEFAULT_BANNER_WITH_CRLF LIBSSH2_SSH_DEFAULT_BANNER "\r\n"
/* Default generate and safe prime sizes for
diffie-hellman-group-exchange-sha1 */
#define LIBSSH2_DH_GEX_MINGROUP 2048
#define LIBSSH2_DH_GEX_OPTGROUP 4096
#define LIBSSH2_DH_GEX_MAXGROUP 8192
#define LIBSSH2_DH_MAX_MODULUS_BITS 16384
/* Defaults for pty requests */
#define LIBSSH2_TERM_WIDTH 80
#define LIBSSH2_TERM_HEIGHT 24