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297 Commits

Author SHA1 Message Date
Jakub Jelen
0948f8acd8 examples: Build sshd_direct-tcpip even without gssapi 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Pavol Žáčik <pzacik@redhat.com>
Merge-Request: <https://gitlab.com/libssh/libssh-mirror/-/merge_requests/817>
 2026-04-24 11:22:47 +02:00
Shashank
effc68f71b examples: Add missing errno headers to fix macOS build 
Added implicitly includes for <errno.h> or <ctype.h> to ssh_server.c
and sshd_direct-tcpip.c to fix build failures on macOS.

Signed-off-by: Shashank <shashank.442k@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Merge-Request: <https://gitlab.com/libssh/libssh-mirror/-/merge_requests/813>
 2026-04-20 21:25:49 +02:00
Manas Trivedi
08c7d67fac examples: replace atoi() with strtol() for safe number parsing 
Replace all usages on atoi() in examples with strtol() and add validation
for the same.

Signed-off-by: Manas Trivedi <manas.trivedi.020@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2026-04-01 22:16:30 +02:00
ShreyasMahajann
152fc6633e options: add -q quiet flag to CLI getopt 
Signed-off-by: Shreyas Mahajan <shreyasmahajan05@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2026-04-01 22:15:27 +02:00
Robert Pana
66285b3ce4 [examples/ssh_client.c] Implemented -E log_file flag to redirect logs 
Signed-off-by: Robert Pana <robertpana2015@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2026-03-25 11:26:44 +01:00
Robert Pana
c81c6d897f [examples/ssh_client.c] Reformatted ssh_client.c to match coding style 
Signed-off-by: Robert Pana <robertpana2015@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2026-03-25 11:26:44 +01:00
Mingyuan Li
6fc95e8d43 examples: Enable libssh_scp and scp_download on Windows 
Both examples only depend on getopt, which is now provided by the
bundled fallback. Include the getopt wrapper header and move them
out of the UNIX-only build guard.

Signed-off-by: Mingyuan Li <2560359315@qq.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2026-03-24 15:11:55 +01:00
Jakub Jelen
051ac812db examples: Add warning about example code 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2026-03-24 10:58:11 +01:00
Jakub Jelen
c38edb59f2 examples: Avoid using deprecated ssh_pki_generate 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Eshan Kelkar <eshankelkar@galorithm.com>
 2026-03-16 19:04:57 +01:00
Jakub Jelen
def7a679f8 examples: Use separate variable for exit code 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Eshan Kelkar <eshankelkar@galorithm.com>
 2026-03-16 19:04:57 +01:00
Jakub Jelen
6f671919ad examples: Use separate variable for fd 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Eshan Kelkar <eshankelkar@galorithm.com>
 2026-03-16 19:04:57 +01:00
Francesco Rollo
edbd929fa2 feat(server): Add support for -o option argument in server example 
Allow passing server configuration options via the -o flag and expose
ssh_bind_config_parse_string() as a public API.

Signed-off-by: Francesco <eferollo@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2026-02-24 10:36:58 +01:00
Shreyas Mahajan
c0963b3417 SSH2 NONE authentication 
Signed-off-by: Shreyas Mahajan <shreyasmahajan05@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2026-02-10 15:16:58 +01:00
anshul agrawal
3f0007895c Add Keyboard Interactive 
Signed-off-by: anshul agrawal <anshulagrawal2902@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2026-01-06 22:56:44 +05:30
Samir Benmendil
62c85a59a9 ssh_client: Return non-zero on config parsing failure 
Signed-off-by: Samir Benmendil <me@rmz.io>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2026-01-02 14:34:11 +00:00
abdallah elhdad
ecea5b6052 Support new '-o' option parsing to client 
Signed-off-by: abdallah elhdad <abdallahselhdad@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2025-12-12 18:15:42 +01:00
Jakub Jelen
07d099f652 examples: Support passing port to libssh_scp to simplify testing 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-10-10 16:20:53 +02:00
Jakub Jelen
029754efb3 examples: Reformat 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-10-01 16:04:59 +02:00
Jakub Jelen
a49e0c2a84 examples: Replace magic numbers with FD constants 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-10-01 16:04:58 +02:00
Jakub Jelen
6aea779918 sftpserver: Fix loop termination 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-10-01 16:03:46 +02:00
Jakub Jelen
a51384fe4e sftpserver: Remove some needless parts 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-10-01 16:03:45 +02:00
Jakub Jelen
c55140272f examples: Add more flexibility to set verbosity 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-10-01 16:03:44 +02:00
Navid Fayezi
8310b8cc2b Remove redundant line and change strlen(buffer) to sizeof(buffer) in examples/authentication.c 
Signed-off-by: Navid Fayezi <navidfayezi.98@gmail.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2025-07-01 20:47:55 +02:00
Navid
33a947dcb0 Remove unnecessary char* cast in memset call in examples/examples_common.h 
Signed-off-by: Navid Fayezi navidfayezi.98@gmail.com
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-07-01 20:38:03 +02:00
Jakub Jelen
7501ca1e08 examples: Fix possible pass of NULL into strchr() 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-06-23 15:24:30 +02:00
Jakub Jelen
2eb2af4426 CVE-2025-4878 Initialize pointers where possible 
This is mostly mechanical change initializing all the pointers I was able to
find with some grep and manual review of sources and examples.

Used the following greps (which yield some false positives though):

    git grep "    \w* *\* *\w*;$"
    git grep " ssh_session \w*;"
    git grep " ssh_channel \w*;"
    git grep " struct ssh_iterator \*\w*;"
    git grep " ssh_bind \w*;"
    git grep " ssh_key \w*;"
    git grep " ssh_string \w*;"
    git grep " ssh_buffer \w*;"
    git grep " HMACCTX \w*;"
    git grep " SHACTX \w*;"
    grep -rinP '^(?!.*=)\s*(?:\w+\s+)*\w+\s*\*\s*\w+\s*;'

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-06-23 15:24:30 +02:00
Jakub Jelen
f039edd85d examples: Reformat sshnetcat.c 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-06-23 15:24:30 +02:00
Jakub Jelen
babd891e82 examples: Reformat senddata.c 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-06-23 13:48:16 +02:00
Jakub Jelen
320e5154b2 examples: Reformat scp_download.c 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-06-23 13:48:16 +02:00
Jakub Jelen
986e0c593f examples: Reformat connect_ssh.c 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-06-23 13:48:16 +02:00
Jakub Jelen
3d0226cadc examples: Avoid using uninitialized memory 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Norbert Pocs <norbertpocs0@gmail.com>
 2025-04-16 17:41:22 +02:00
Jakub Jelen
0068fdd594 examples: Fix possible null pointer passed to open() 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Norbert Pocs <norbertpocs0@gmail.com>
 2025-04-16 16:19:42 +02:00
AsadaShino
a93e84efb9 authenticate_console:Stop authentication after SSH session disconnection to avoid hanging up in poll 
Signed-off-by: AsadaShino <1164429449@qq.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2025-03-20 15:29:59 +01:00
Jakub Jelen
d5456931cc examples: Fix format string unearthed during macos build 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2025-01-21 11:35:12 +01:00
Jakub Jelen
f3d80833fe examples: Remove remaining references to default hostkeys 
This is fixup of a9d1cfa9e2, where we missed this
corner case.

Fixes: #285
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2024-12-20 13:52:37 +01:00
Jakub Jelen
8363929104 cmake: Do not build server examples and tests when built without server 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Eshan Kelkar <eshankelkar@galorithm.com>
 2024-08-19 13:12:27 +02:00
Jakub Jelen
17a8a8b3c3 examples: Reformat ssh_server.c 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
Reviewed-by: Eshan Kelkar <eshankelkar@galorithm.com>
 2024-07-18 21:36:28 +02:00
Sahana Prasad
7812e71b8f Avoid resource leak of key 
Signed-off-by: Sahana Prasad <sahana@redhat.com>
Reviewed-by:   Jakub Jelen <jjelen@redhat.com>
 2024-06-28 17:13:49 +02:00
Jakub Jelen
c93a730bc1 examples: Make sure the callback structure is initialized 
When the callback structure is allocated with malloc, some fields might be
uninitialized and therefore could cause undefined behavior or crashes.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
 2024-06-04 12:47:25 +02:00
Jakub Jelen
5dd42dfa22 examples: Avoid buffer overrun 
and provide helpful warning message

CID 1533680:  Memory - illegal accesses  (OVERRUN)

Thanks coverity

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2024-04-11 16:08:50 +02:00
Gauravsingh Sisodia
a9d1cfa9e2 feat: Handle hostkeys like OpenSSH 
fix: memory leak
fix: add defaults after parsing
fix: set defaults in ssh_bind_listen
tests: add test for checking default hostkey paths
remove: null check for hostkey paths, can't happen since we set defaults now
examples: ssh_server remove "no default keys", default hostkeys set in ssh_bind_listen

Signed-off-by: Gauravsingh Sisodia <xaerru@gmail.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
 2024-03-19 10:26:44 +01:00
Gauravsingh Sisodia
1176a71d61 examples: server check all keys in authorized_keys instead of one 
Fix read file with fgets and remove memory leaks

Remove use of ssh_pki_import_pubkey_file in ssh server and update max line size

Fix example server line no. and formatting

Fix check for leading whitespace in line

Reformat to avoid nesting

Remove setting sdata->authenticated to 0, the default is 0

Better error messages and handle case for fgets failing

Increment lineno at start

Signed-off-by: Gauravsingh Sisodia <xaerru@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2024-01-22 09:50:06 +01:00
Jakub Jelen
d53236d69f Fix typos detected with new codespell 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
 2024-01-02 16:52:52 +01:00
Jakub Jelen
417a0f01f8 examples: Demonstrate export of different key formats 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2023-12-15 10:08:35 +01:00
Jakub Jelen
0cfd4d8ec7 examples: Reformat and fix typos in keygen 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2023-12-15 10:06:15 +01:00
Jakub Jelen
54ac7c95e8 examples: Avoid accessing list before acquiring lock 
Thanks coverity

CID 1526592

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
 2023-12-05 11:38:15 +01:00
Norbert Pocs
321e468eca examples: Unlock mux before returning 
Thanks to coverity!

CID 1517788

Signed-off-by: Norbert Pocs <npocs@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2023-07-12 10:31:42 +02:00
Norbert Pocs
393a9bf82c examples: Fix formatting 
Signed-off-by: Norbert Pocs <npocs@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2023-07-12 10:31:42 +02:00
Jakub Jelen
ccc7302fc8 examples: Check allocation results to give better examples 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Norbert Pocs <npocs@redhat.com>
 2023-07-11 17:45:42 +02:00
Jakub Jelen
55cabab847 examples: Check for null earlier 
Thanks coverity

CID 1461476

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Norbert Pocs <npocs@redhat.com>
 2023-06-28 12:22:54 +02:00