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148 Commits

Author SHA1 Message Date
tatataeki
332f1c2e09 sftp: fix the length calculation of packet in sftp_write 
Signed-off-by: tatataeki <shengzeyu19_98@163.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2022-06-29 18:29:26 +02:00
Norbert Pocs
442599f0d1 Fix type mismatch warnings 
Signed-off-by: Norbert Pocs <npocs@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2022-06-15 14:47:06 +02:00
Junda Ai
41e2d17119 Fix multiple spelling and grammar mistakes 
Signed-off-by: Junda Ai <aijunda29@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2022-05-02 19:05:51 +02:00
Xiang Xiao
3b29e2ad4c sftp: Read the data directly into packet->payload 
to avoid allocate 16KB buffer from stack and one memory copy

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Change-Id: Ib71cb5834b7810bf9791e13c58571e2b9fa5bca1
 2021-05-27 13:45:47 +02:00
Xiang Xiao
07245c1cdd Fix error: dereferencing pointer to incomplete type ‘struct timeval’ 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Change-Id: I99d2016595966d805c9e27b5c2f2a0a5b4ad8611
 2021-05-27 13:45:47 +02:00
Jakub Jelen
605f7fb2de Revert "Fix error: dereferencing pointer to incomplete type ‘struct timeval’" 
because of inconsistent author and sign-off

This reverts commit 8ea7fc6129.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2021-05-12 16:01:15 +02:00
Xiang Xiao
8ea7fc6129 Fix error: dereferencing pointer to incomplete type ‘struct timeval’ 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
Change-Id: I99d2016595966d805c9e27b5c2f2a0a5b4ad8611
 2021-05-10 12:17:54 +02:00
Pablo Yaggi
51b7a2421a fix sftp_new_channel constructs an invalid object 
Fixes T273

Signed-off-by: Pablo Yaggi <pyaggi@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
 2021-03-18 14:44:35 +01:00
Jakub Jelen
78036e98ec Reformat sftp_new_channel 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
 2021-03-18 14:44:35 +01:00
Jakub Jelen
c10d06b322 Reformat sftp_server_new 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
 2021-03-18 14:44:35 +01:00
Jakub Jelen
88d4fa5352 sftp: Fix more typos 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
 2020-08-12 13:13:13 +02:00
StefanBruens
1ff6dda616 Correctly parse v4 subsecond timestamps 
All subsecond timestamps are only in the packets if both the
SUBSECOND_TIMES flag and the timestamp flag, e.g. ATTR_ACCESSTIME
are set.

SUBSECOND_TIMES are not very common across server implementations
(e.g. openssh does not include it, nor does libssh's sftpserver
implementation), but this interpretation of the SFTP protocol draft
is used by WinSCP and lftp.

Fixes T219.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2020-04-15 13:21:28 +02:00
Andreas Schneider
8542f675f4 sftp: Replace PRIdS with ANSI C99 %zu 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2020-02-12 09:39:06 +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
af2aeba838 SSH-01-006: Add missing NULL check in sftp_open() 
Fixes T193

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
d672b1d7c4 sftp: Avoid comparison of integers of different sizes 
This casts ssize_t len to size_t.

Fixes T188

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
d40f33c400 sftp: Cast sftp version to int 
This is a public struct and the version should be unsigned there.

Fixes T188

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
c29840060b sftp: Use uint32_t for sftp extension count 
Fixes T188

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
98824d6e11 sftp: Fix integer types in sftp_extension_supported() 
Fixes T188

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
839fab6df4 sftp: Fix integer types in sftp_read() 
Fixes T188

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
6b105624bf sftp: Fix integer types in sftp_write() and sftp_packet_write() 
Fixes T188

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
db4345fb36 sftp: Remove internal function from sftp.h 
Those are not marked as LIBSSH_API so not part of the public API and the
symbols aren't exported!

Fixes T188

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
0280ff12a5 sftp: Do not mix integer types 
Don't use long unsigned int as equivalent as uint32_t.  Use macros to
correctly print the values independently of the architecture.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-06-14 15:22:45 +02:00
David Wedderwille
32eec7b418 SSH_LOG: Adjust log level from SSH_LOG_WARNING to SSH_LOG_PROTOCOL 
Fixes T149

Signed-off-by: David Wedderwille <davidwe@posteo.de>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-06-13 16:43:44 +02:00
raminfp
9b1772ecbd sftp: Remove the break statements 
They aren't needed and perhaps some compilers will issue "Unreachable
code" warnings.

Signed-off-by: Ramin Farajpour Cami <ramin.blackhat@gmail.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-05-22 15:35:29 +02:00
David Wedderwille
cc536377f9 sftp server: Implementation of sftp_server_free() as counterpart to sftp_server_new() 
Fixes T143

Signed-off-by: David Wedderwille <davidwe@posteo.de>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-04-29 13:17:24 +02:00
Andreas Schneider
c4348c7b3c sftp: Check if the channel is still valid 
Fixes T138

Reported-by: Jan Pazdziora <jpazdziora@redhat.com>
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2019-04-29 13:17:16 +02:00
Anderson Toshiyuki Sasaki
8ddbe7bec6 sftp: Add NULL check in sftp_ext_free() 
Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-01-26 13:56:25 +01:00
Anderson Toshiyuki Sasaki
61ad276a87 sftp: Reformat sftp_ext_free() 
Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2019-01-26 13:56:22 +01:00
Andreas Schneider
9f1718e159 Revert "sftp: Set error if invalid session pointer is passed to sftp_new()" 
This reverts commit d011b780c3.
 2019-01-05 13:17:32 +01:00
Andreas Schneider
d011b780c3 sftp: Set error if invalid session pointer is passed to sftp_new() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2019-01-04 13:31:34 +01:00
Anderson Toshiyuki Sasaki
f05717d23e sftp: Add NULL check in sftp_fstat() 
Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
 2018-12-07 17:47:22 +01:00
Anderson Toshiyuki Sasaki
eaa97d2062 sftp: Add NULL check in sftp_xstat() 
Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-07 17:47:18 +01:00
Anderson Toshiyuki Sasaki
bda2cc69af sftp: Add NULL check in sftp_opendir() 
Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-07 17:47:11 +01:00
Anderson Toshiyuki Sasaki
83d827d7dd sftp: Set sftp error when received unexpected message 
Set sftp error to SSH_FX_BAD_MESSAGE if an unexpected message is
received.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-07 17:47:00 +01:00
Anderson Toshiyuki Sasaki
0f95295966 sftp: Set sftp error code when fail occurs 
When an operation fails in sftp subsystem, set the sftp error, so that
it can be obtained by sftp_get_error().

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-07 17:44:52 +01:00
Anderson Toshiyuki Sasaki
d78a29eb79 sftp: Set error when EOF is received in sftp_packet_read() 
When reading a sftp packet and an EOF is received before all requested
bytes are read, set the session and sftp error codes.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-07 17:43:08 +01:00
Andreas Schneider
3784226fd8 sftp: Do not overwrite errors set by channel functions 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-11-30 18:52:40 +01:00
Andreas Schneider
3245b50795 sftp: Only prepend header data once 
This reduces memory moving.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2018-10-08 09:27:06 +02:00
Andreas Schneider
508dfc5251 sftp: Reformat sftp_packet_write() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2018-10-08 09:26:59 +02:00
Andreas Schneider
aec9fa4442 sftp: Use bytearray macros 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2018-10-05 14:38:43 +02:00
Alberto Aguirre
14f5624ff5 sftpserver: allocate packet on sftp_server_new 
Ensure sftp_server_new allocates the packet and payload as
sftp_packet_read now expects the packet and payload to be
pre-allocated.

Similarly, ensure sftp_get_client_message does not free the packet.

Signed-off-by: Alberto Aguirre <albaguirre@gmail.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-09-25 16:41:54 +02:00
Chris Townsend
6c56c1e0d7 sftpserver: Support some openssh extensions 
Add support for "hardlink@openssh.com" and
"posix-rename@openssh.com" extensions.

Signed-off-by: Chris Townsend <christopher.townsend@canonical.com>
Signed-off-by: Alberto Aguirre <albaguirre@gmail.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-09-20 16:35:13 +02:00
Andreas Schneider
a30d542207 sftp: Include stdint.h 
Thanks to Apex Liu

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-09-19 12:25:03 +02:00
Harald Sitter
97cb302c0e sftp: fix buffer_unpack argument to be char** rather than char* 
Summary:
buffer variable 's' gets unpacked as char**, the previous code was passing
a char* causing segfaults on all readlink calls inside the unpacking code

Test Plan:
- without patchy examples/samplesftp segfaults in readlink
- with patchy it doesn't

Reviewers: asn

Differential Revision: https://bugs.libssh.org/D14

Signed-off-by: Harald Sitter <sitter@kde.org>
 2018-09-19 11:18:12 +02:00
Andreas Schneider
cc83b463ce sftp: Fix a possible null pointer dereference 
CID 1395721

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-09-18 10:19:59 +02:00
Andreas Schneider
0762057eb9 sftp: Move the packet payload to the message 
This reduces memory allocations and copying.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-09-17 10:48:49 +02:00
Andreas Schneider
57153f6481 sftp: Use SSH_BUFFER_FREE in sftp_message_free() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-09-17 10:48:49 +02:00
Andreas Schneider
4c32befd93 sftp: Reformat sftp_message_free() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-09-17 10:48:49 +02:00