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30cc1568f402ef411e54570d94b612ccbb59d4f8
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2175 Commits

Author SHA1 Message Date
Jakub Jelen
30cc1568f4 options: Avoid needless assignment as reported by csbuild 
The error was

 src/options.c:971:13: warning: Value stored to 'u' is never read
 #            u = 0;
 #            ^   ~
 src/options.c:971:13: note: Value stored to 'u' is never read
 #            u = 0;
 #            ^   ~
 #  969|           case SSH_OPTIONS_KBDINT_AUTH:
 #  970|           case SSH_OPTIONS_GSSAPI_AUTH:
 #  971|->             u = 0;
 #  972|               if (value == NULL) {
 #  973|                   ssh_set_error_invalid(session);

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-23 14:31:32 +01:00
Jakub Jelen
e2841908fb kex: Avoid always-false comparisons as reported by csbuild 
/builds/jjelen/libssh-mirror/src/kex.c:360:17: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] <--[cc]
  360 |         if (len < 0) {
      |                 ^
/builds/jjelen/libssh-mirror/src/kex.c:372:17: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] <--[cc]
  372 |         if (len < 0) {
      |                 ^

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-23 14:31:32 +01:00
Sahana Prasad
4ea09256f6 src: Implements PKCS11 URI support 
Imports private and public keys from the engine via PKCS11 URIs. Uses
the imported keys to authenticate to the ssh server.

Signed-off-by: Sahana Prasad <sahana@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-20 16:17:33 +01:00
Sahana Prasad
6bf4ada240 src: Helper funtions to detect PKCS #11 URIs 
Signed-off-by: Sahana Prasad <sahana@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-20 14:41:02 +01:00
Sahana Prasad
86a0dfa65b src: Adds the Engine header file and invokes cleanup of the engine 
Signed-off-by: Sahana Prasad <sahana@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-20 14:40:51 +01:00
Andreas Schneider
35216e7254 misc: Add ssh_strreplace() 
Pair-Programmed-With: Sahana Prasad <sahana@redhat.com>
Signed-Off-by: Sahana Prasad <sahana@redhat.com>
Signed-Off-By: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-20 14:35:18 +01:00
Andreas Schneider
5317ebf0fc misc: Add ssh_tmpname() 
Signed-Off-By: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-20 14:35:04 +01:00
Jussi Kivilinna
08f4469e21 libgcrypt: fix cipher handle leaks on setkey error paths 
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-16 22:45:45 +02:00
Jussi Kivilinna
de4b8f88a2 libgcrypt: Implement chacha20-poly1305@openssh.com cipher using libgcrypt 
Libgcrypt has supported ChaCha20 and Poly1305 since 1.7.0 version and
provides fast assembler implementations.

v3:
 - initialize pointers to NULL
 - use 'bool' for chacha20_poly1305_keysched.initialized
 - pass error codes from libgcrypt calls to variable
 - add SSH_LOG on error paths
v2:
 - use braces for one-line blocks
 - use UNUSED_PARAM/UNUSED_VAR instead of cast to void
 - use calloc instead of malloc+memset

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-16 22:31:54 +02:00
Jon Simons
b94ecf18bd curve25519: fix uninitialized arg to EVP_PKEY_derive 
Ensure that the `keylen` argument as provided to `EVP_PKEY_derive`
is initialized, otherwise depending on stack contents, the function
call may fail.

Fixes T205.

Signed-off-by: Jon Simons <jon@jonsimons.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-13 20:00:37 -05:00
Jakub Jelen
b03818aaed init: Fix documentation about return values of void functions 
Fixes T203

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-10 21:13:07 +01:00
Jakub Jelen
574690ae2e config: Ignore empty lines to avoid OOB array access 
Fixes T187

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-09 16:08:03 +01:00
Jakub Jelen
31f9c39479 match: Limit possible recursion when parsing wildcards to a sensible number 
Fixes T186

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-09 16:08:03 +01:00
Jakub Jelen
cf0beff987 match: Avoid recursion with many asterisks in pattern 
Partially fixes T186

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
178b53f924 pki: Fix possible information leak via uninitialized stack buffer 
Fixes T190

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
e065d2bb3f pki_container_openssh: Initialize pointers to NULL 
Fixes T190

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
9d67ca251c SSH-01-012: Fix information leak via uninitialized stack buffer 
Fixes T190

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
cb0ccf372e SSH-01-010: Improve documentation for fingerprinting functions 
Fixes T184

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Anderson Toshiyuki Sasaki
bab7ba0146 scp: Do not allow newlines in pushed files names 
When pushing files or directories, encode the newlines contained in the
names as the string "\\n".  This way the user cannot inject protocol
messages through the file name.

Fixes T189

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Anderson Toshiyuki Sasaki
c9ce8fa40b misc: Add a function to encode newlines 
Given a string, the added function encodes existing newline characters
('\n') as the string "\\n" and puts into a given output buffer.

The output buffer must have at least 2 times the length of the input
string plus 1 for the terminating '\0'. In the worst case, each
character can be replaced by 2 characters.

Fixes T189

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
6c79ed9801 gzip: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
7ae47df16a knownhosts: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
6734516278 pcap: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
3cf665a53d base64: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
35799bb1c6 packet: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
476bde4d69 socket: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
80d092037f dh-gex: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
45d9802e1b message: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
5db5e7e527 message: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
d7abfe7e8f pki_container_openssh: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
f422fb02f6 pki_container_openssh: Use SSH_STRING_FREE 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
b719f705c6 gssapi: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
3b8fcbad24 gssapi: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
3ab8b76921 kex: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
7c3a6ca6bc kex: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
6eb34cec33 agent: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
45ee892327 agent: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
321b27b788 server: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
ac33b3adbc ecdh_mbedcrypto: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
5e21c24fab dh: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
abe1bf910e ecdh: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
752c906ea7 channels: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
1832ed4fef channels: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
4cae57c581 sftp: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
9384a18e91 sftp: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
88a3dd86f1 packet_cb: Use SSH_BUFFER_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
449c0d66cc sftpserver: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
4cd084f13b packet_cb: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
9020f4e63a curve25519: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00
Andreas Schneider
6596ee9fb2 auth: Use SSH_STRING_FREE() 
Fixes T183

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-12-09 16:08:03 +01:00