Commit Graph

178 Commits

Author SHA1 Message Date
Tim Allen
9cf8a3ccd6 Check for buffer overflow when constructing the socket path. 2022-04-07 21:36:15 +10:00
Tim Allen
9e6b678cf7 Do all session name validation in session_path(). 2022-04-07 21:23:10 +10:00
Tim Allen
4bfb0c6b93 When reporting an invalid session name, report the correct name.
At this point, the session name has already been moved from the `session_name`
parameter to the `m_session` member variable.
2022-01-18 14:44:09 +11:00
Maxime Coste
db9ef82398 Rework session directory logic
Do not use a shared kakoune/ directory for all users to avoid the
complexity of having to set the sticky bit on that dir, resolve the
session directoy only once by using a static variable and an
immediately evaluated lambda.

This fixes an annoyance whenver using `su` and having Kakoune refuse
to start due to XDG_RUNTIME_DIR still being set.
2021-05-01 15:29:50 +10:00
Maxime Coste
4a59018dcd Do not select on non-urgent fd when handling only urgent events
This avoids 100% CPU usage when we have pending fifo input while running
a shell process, as we will not end-up busy looping in pselect but not
reading the available data due to being only processing urgent events.
2021-03-11 09:02:02 +11:00
Maxime Coste
7751c7e188 Check XDG_RUNTIME_DIR owner before creating session directory
This avoids an issue when using `su` and running Kakoune which creates
a session directory owned by root and prevents the user from creating
more sessions.
2021-01-26 09:28:24 +11:00
Maxime Coste
2cd323b314 Allow quiting last client with unsaved buffer in daemon mode
Because the server will out-live that client's disconnection it
is still ok to have modified buffers, the server will complain
on `kill`.

Fixes #3801
2020-10-19 20:39:25 +11:00
Maxime Coste
5fd548d5cf Fix use of unportable MSG_CMSG_CLOEXEC 2020-05-17 21:28:40 +10:00
Maxime Coste
60154300f9 Support piping data to client stdin
Pass the client stdin fd to the server and open a fifo buffer
from it.

Fixes #3394
2020-05-10 19:30:13 +10:00
Maxime Coste
ccecd5bd8e Add support for alpha channel in colors
This makes it easier to define faces that lighten/darken whatever
they apply on.
2020-05-02 12:57:36 +10:00
Maxime Coste
cb1b03c0db Add support for markup in info boxes
Fixes #2552
2019-11-22 21:50:51 +11:00
Jason Felice
8d76603df4 Fix kak -l when $XDG_RUNTIME_DIR is set 2019-08-20 16:13:21 -04:00
Jason Felice
0e4a4acf61 Use $XDG_RUNTIME_DIR
Falls back on old mechanism if `XDG_RUNTIME_DIR` is not set.

The ability to specify a session as "<user>/<name>" was removed, since
it isn't possible to compute the value of `XDG_RUNTIME_DIR` for another
user, we wouldn't have access to it if we could, and it would be awkward
to support this feature only when `XDG_RUNTIME_DIR` is unset.  Also,
`rename-session` did not work when another user's session was specified.

Closes #3019
2019-08-05 11:57:07 -04:00
Tobias Kortkamp
16bb55edee
Fix build on FreeBSD
file.cc:390:21: error: use of undeclared identifier 'rename'; did you mean 'devname'?
    if (replace and rename(temp_filename, zfilename) != 0)
                    ^~~~~~
                    devname
/usr/include/stdlib.h:277:7: note: 'devname' declared here
char    *devname(__dev_t, __mode_t);
         ^
file.cc:390:28: error: cannot initialize a parameter of type '__dev_t' (aka 'unsigned long') with an lvalue of type 'char [1024]'
    if (replace and rename(temp_filename, zfilename) != 0)
                           ^~~~~~~~~~~~~
/usr/include/stdlib.h:277:22: note: passing argument to parameter here
char    *devname(__dev_t, __mode_t);
                        ^
2 errors generated.

---

highlighters.cc:1110:13: error: use of undeclared identifier 'snprintf'; did you mean 'vswprintf'?
            snprintf(buffer, 16, format, std::abs(line_to_format));
            ^~~~~~~~
            vswprintf
/usr/include/wchar.h:139:5: note: 'vswprintf' declared here
int     vswprintf(wchar_t * __restrict, size_t n, const wchar_t * __restrict,
        ^
highlighters.cc:1110:22: error: cannot initialize a parameter of type 'wchar_t *' with an lvalue of type 'char [16]'
            snprintf(buffer, 16, format, std::abs(line_to_format));
                     ^~~~~~
/usr/include/wchar.h:139:35: note: passing argument to parameter here
int     vswprintf(wchar_t * __restrict, size_t n, const wchar_t * __restrict,
                                      ^
2 errors generated.

---

json_ui.cc:60:13: error: use of undeclared identifier 'sprintf'; did you mean 'swprintf'?
            sprintf(buf, "\\u%04x", *next);
            ^~~~~~~
            swprintf
/usr/include/wchar.h:133:5: note: 'swprintf' declared here
int     swprintf(wchar_t * __restrict, size_t n, const wchar_t * __restrict,
        ^
json_ui.cc:60:21: error: cannot initialize a parameter of type 'wchar_t *' with an lvalue of type 'char [7]'
            sprintf(buf, "\\u%04x", *next);
                    ^~~
/usr/include/wchar.h:133:34: note: passing argument to parameter here
int     swprintf(wchar_t * __restrict, size_t n, const wchar_t * __restrict,
                                     ^
json_ui.cc:74:9: error: use of undeclared identifier 'sprintf'
        sprintf(buffer, R"("#%02x%02x%02x")", color.r, color.g, color.b);
        ^
3 errors generated.

---

regex_impl.cc:1039:9: error: use of undeclared identifier 'sprintf'; did you mean 'swprintf'?
        sprintf(buf, " %03d     ", count++);
        ^~~~~~~
        swprintf
/usr/include/wchar.h:133:5: note: 'swprintf' declared here
int     swprintf(wchar_t * __restrict, size_t n, const wchar_t * __restrict,
        ^
regex_impl.cc:1039:17: error: cannot initialize a parameter of type 'wchar_t *' with an lvalue of type 'char [20]'
        sprintf(buf, " %03d     ", count++);
                ^~~
/usr/include/wchar.h:133:34: note: passing argument to parameter here
int     swprintf(wchar_t * __restrict, size_t n, const wchar_t * __restrict,
                                     ^
regex_impl.cc:1197:17: error: use of undeclared identifier 'puts'
    { if (dump) puts(dump_regex(*this).c_str()); }
                ^
regex_impl.cc:1208:18: note: in instantiation of member function 'Kakoune::(anonymous namespace)::TestVM<Kakoune::RegexMode::Forward>::TestVM' requested here
        TestVM<> vm{R"(a*b)"};
                 ^
regex_impl.cc:1197:17: error: use of undeclared identifier 'puts'
    { if (dump) puts(dump_regex(*this).c_str()); }
                ^
regex_impl.cc:1283:56: note: in instantiation of member function 'Kakoune::(anonymous namespace)::TestVM<5>::TestVM' requested here
        TestVM<RegexMode::Forward | RegexMode::Search> vm{R"(f.*a(.*o))"};
                                                       ^
regex_impl.cc:1197:17: error: use of undeclared identifier 'puts'
    { if (dump) puts(dump_regex(*this).c_str()); }
                ^
regex_impl.cc:1423:57: note: in instantiation of member function 'Kakoune::(anonymous namespace)::TestVM<6>::TestVM' requested here
        TestVM<RegexMode::Backward | RegexMode::Search> vm{R"(fo{1,})"};
                                                        ^
5 errors generated.

---

remote.cc:829:9: error: use of undeclared identifier 'rename'; did you mean 'devname'?
    if (rename(old_socket_file.c_str(), new_socket_file.c_str()) != 0)
        ^~~~~~
        devname
/usr/include/stdlib.h:277:7: note: 'devname' declared here
char    *devname(__dev_t, __mode_t);
         ^
remote.cc:829:16: error: cannot initialize a parameter of type '__dev_t' (aka 'unsigned long') with an rvalue of type 'const char *'
    if (rename(old_socket_file.c_str(), new_socket_file.c_str()) != 0)
               ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/stdlib.h:277:22: note: passing argument to parameter here
char    *devname(__dev_t, __mode_t);
                        ^
2 errors generated.

---

string_utils.cc:126:20: error: use of undeclared identifier 'sprintf'; did you mean 'swprintf'?
    res.m_length = sprintf(res.m_data, "%i", val);
                   ^~~~~~~
                   swprintf
/usr/include/wchar.h:133:5: note: 'swprintf' declared here
int     swprintf(wchar_t * __restrict, size_t n, const wchar_t * __restrict,
        ^
string_utils.cc:126:28: error: cannot initialize a parameter of type 'wchar_t *' with an lvalue of type 'char [15]'
    res.m_length = sprintf(res.m_data, "%i", val);
                           ^~~~~~~~~~
/usr/include/wchar.h:133:34: note: passing argument to parameter here
int     swprintf(wchar_t * __restrict, size_t n, const wchar_t * __restrict,
                                     ^
string_utils.cc:133:20: error: use of undeclared identifier 'sprintf'; did you mean 'swprintf'?
    res.m_length = sprintf(res.m_data, "%u", val);
                   ^~~~~~~
                   swprintf
[...]
2019-07-06 08:53:47 +02:00
Maxime Coste
14fb71b16c Refuse to overwrite an existing session socket 2019-06-11 20:13:03 +10:00
Maxime Coste
a1758bfcb0 Merge remote-tracking branch 'eraserhd/minor-remote-fixes' 2019-06-04 19:06:56 +10:00
Jason Felice
b82cf38338 Refactor message writing 2019-05-29 09:50:00 -04:00
Maxime Coste
a1f0bae53a Do not try to send remaining data on a closed socket
Fixes #2906
2019-05-23 12:42:38 +10:00
Jason Felice
99be3ff5e2 Use helper template struct in MsgReader
This makes reads for all types, including String, Vector, and Optional,
use the same interface in MsgReader.
2019-04-22 10:49:12 -04:00
Maxime Coste
3e89148d74 Fix missing errno include 2019-01-24 23:24:50 +11:00
Maxime Coste
6c54c4740d Read initial remote message in Urgent EventMode
Fixes #2497
2018-11-26 12:48:48 +11:00
Maxime Coste
14f9f4c468 Fix use after delete in RemoteClient FDWatcher callback
Fixes #2357
2018-09-07 09:09:07 +10:00
Matt Peterson
d0a8426272 Use $USER if getpwuid fails 2018-08-24 10:50:59 -04:00
Maxime Coste
4ef5c80724 Fix Kakoune client busy looping on SIGHUP
Pure clients never quitted when they got SIGHUP after recent changes
to add is_ok to UserInterface. run_client now tracks the UI state as
well and quits if the UI gets killed.
2018-05-23 08:16:35 +10:00
Maxime Coste
79b60f69a9 Small code cleanups 2018-05-17 22:55:53 +10:00
Maxime Coste
7a841dcca7 Remove out of date noexcept(false) on MessageWriter destructor
This made sense when the writer was trying to send the message
in its destructor, but this is not the case anymore.
2018-05-05 07:59:13 +10:00
Maxime Coste
178d2d3cd3 Rework the way UI can trigger a client quitting
Add a UserInterface::is_ok method and return false on
SIGHUP/stdin closing/socket dropping

This should be cleaner and more robust than the previous SIGHUP
handling code.

Fixes #1594
2018-04-29 22:31:57 +10:00
Maxime Coste
2fa553e728 Remove implicit conversion from String to DisplayAtom/DisplayLine 2018-04-29 20:45:53 +10:00
Maxime Coste
6f58c278bf Merge remote-tracking branch 'Delapouite/no-such' 2018-04-07 12:33:15 +10:00
Maxime Coste
23853f499e Add some safety static_asserts to remote read/write functions 2018-04-07 12:32:31 +10:00
Delapouite
cb02186c77 Make error messages more consistent 2018-04-06 16:56:53 +02:00
Maxime Coste
71a1893a5e Fix some trailing spaces and a tab that sneaked into the code base 2018-04-05 08:52:33 +10:00
Maxime Coste
435b5b7ff9 Unify code that validates identifiers in Kakoune
Session/Client/User modes names are now requiered to be "identifiers"
they must be in [a-zA-Z0-9_-]. Option names are the same except they
do not allow '-' as they need to be made available through the env vars
and '-' is not supported there.

Fixes #1946
2018-03-25 16:35:33 +11:00
Maxime Coste
db7b43acd5 Restore client name after converting to client
When Kakoune forked the sever to background, the newly converted
to client process (the original client/server process) was not
preserving its previous client name.
2018-03-23 07:36:18 +11:00
Maxime Coste
d8dc7d7f39 Go back to getpwuid call to get user name from user id
Unfortunately, reading /etc/passwd is not enough.
2017-12-15 08:19:56 +11:00
Maxime Coste
a33d18e125 Go back to getpwuid call on OSX
Reading /etc/passwd on OSX does not give us the full list of users.

Fixes #1758
2017-12-09 12:13:02 +08:00
Maxime Coste
274367116a Replace uses of getpwuid which is incompatible with static linking
Introduce a get_user_name function which parses '/etc/passwd' to find
the username associated with a user id.
2017-12-04 15:19:57 +08:00
Maxime Coste
2b6c84fc40 Add missing include in remote.cc
strerror is defined in <string.h>
2017-11-06 12:45:14 +08:00
Maxime Coste
0a081b9f31 Do not allow rename-session to introduce '/' in session names 2017-11-06 11:55:56 +08:00
Maxime Coste
aa82a90c39 Remote: stricter validation of the session names
Creating a session will not accept any slashes in the session path,
connecting to an existing session will accept at most one slash to
allow for specifying the session of a different user.

Fixes #1635
2017-11-04 12:01:25 +08:00
Maxime Coste
bd66aff808 Tolerate unwritable socket when trying to send the disconnection message
Fixes #1552
2017-09-07 19:37:58 +08:00
Maxime Coste
e80b36b495 Expose client pid as $kak_client_pid
As requested in #1414
2017-08-28 13:12:45 +07:00
Maxime Coste
f7bed9eb18 Support specifying an exit status on quit commands
The current client exit status can be specified as an optional
parameter, is nothing is given the exit status will be 0.

Fixes #1230
2017-08-23 13:33:13 +07:00
Maxime Coste
4e7a357a47 Fix various undefined behaviours detected by UBSan 2017-06-26 11:27:18 +01:00
Maxime Coste
91bfd714e4 Place hardware terminal cursor at the current main cursor/prompt cursor position
Fixes #1318
Also fixes https://gitlab.com/gnachman/iterm2/issues/5408
2017-04-12 10:39:17 +01:00
Maxime Coste
e44f95820e Fixes some clang-tidy warning and add a few missing meta.hh include 2017-03-16 23:34:02 +00:00
Maxime Coste
f0ae0b8410 Replace IdMap with HashMap 2017-03-07 01:12:37 +00:00
Maxime Coste
e8ee8c23d8 Support the +line syntax for clients as well.
Fix a crash on daemon quit as well.
2017-01-21 12:17:49 +00:00
Maxime Coste
dcd8f6ef01 Apply clang-tidy modernize to the codebase 2017-01-08 22:39:01 +00:00
Maxime Coste
e42881fa38 Fix remaining uses of hardcoded /tmp to get the socket paths
Fixes #1097
2017-01-01 13:10:08 +00:00