├── .gitignore
├── .rustfmt.toml
├── Cargo.lock
├── Cargo.toml
├── Justfile
├── LICENSE.md
├── data
    ├── cosmic-mimeapps.list
    ├── cosmic-session.target
    ├── cosmic.desktop
    ├── dconf
    │   └── profile
    │   │   └── cosmic
    └── start-cosmic
├── debian
    ├── changelog
    ├── control
    ├── copyright
    ├── cosmic-session.gsettings-override
    ├── rules
    └── source
    │   └── format
├── flake.lock
├── flake.nix
└── src
    ├── a11y.rs
    ├── comp.rs
    ├── main.rs
    ├── notifications.rs
    ├── process.rs
    ├── service.rs
    └── systemd.rs


/.gitignore:
--------------------------------------------------------------------------------
 1 | # Generated by Cargo
 2 | # will have compiled files and executables
 3 | /target/
 4 | 
 5 | # These are backup files generated by rustfmt
 6 | **/*.rs.bk
 7 | 
 8 | # Added by cargo
 9 | /target
10 | 
11 | # Added by Nix
12 | /result
13 | 
14 | # Debian packaging stuff
15 | .cargo
16 | vendor/
17 | vendor.tar
18 | *.xz
19 | *.deb
20 | *.ddeb
21 | *.dsc
22 | *.changes
23 | *.deb.tar.*
24 | *.buildinfo
25 | *.build
26 | debian/*
27 | !debian/*install
28 | !debian/*postinst
29 | !debian/*gsettings-override
30 | !debian/changelog
31 | !debian/control
32 | !debian/links
33 | !debian/rules
34 | !debian/source
35 | 


--------------------------------------------------------------------------------
/.rustfmt.toml:
--------------------------------------------------------------------------------
 1 | edition = "2021"
 2 | hard_tabs = true
 3 | merge_derives = true
 4 | newline_style = "Unix"
 5 | remove_nested_parens = true
 6 | reorder_imports = true
 7 | reorder_modules = true
 8 | use_field_init_shorthand = true
 9 | # Unstable formatting options below; remove if you REALLY don't wanna use `cargo +nightly fmt`
10 | unstable_features = true
11 | format_code_in_doc_comments = true
12 | format_macro_bodies = true
13 | format_strings = true
14 | imports_indent = "Block"
15 | imports_granularity = "Crate"
16 | normalize_comments = true
17 | overflow_delimited_expr = true
18 | reorder_impl_items = true
19 | wrap_comments = true
20 | 


--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "cosmic-session"
 3 | description = "The session manager for the COSMIC desktop environment"
 4 | version = "0.1.0"
 5 | license = "GPL-3.0-only"
 6 | edition = "2021"
 7 | authors = ["Lucy <lucy@system76.com>"]
 8 | publish = false
 9 | 
10 | [dependencies]
11 | async-signals = "0.5"
12 | color-eyre = "0.6"
13 | futures-util = "0.3"
14 | cosmic-dbus-a11y = { git = "https://github.com/pop-os/dbus-settings-bindings" }
15 | freedesktop-desktop-entry = { version = "0.7.7", optional = true }
16 | shell-words = { version = "1.1.0", optional = true }
17 | dirs = { version = "6.0.0", optional = true }
18 | itertools = "0.12"
19 | launch-pad = { git = "https://github.com/pop-os/launch-pad" }
20 | libc = "0.2"
21 | log-panics = { version = "2", features = ["with-backtrace"] }
22 | rustix = "0.38"
23 | scopeguard = "1"
24 | sendfd = { version = "0.4", features = ["tokio"] }
25 | serde = { version = "1", features = ["derive"] }
26 | serde_json = "1"
27 | tokio = { version = "1", features = [
28 |   "fs",
29 |   "io-util",
30 |   "io-std",
31 |   "macros",
32 |   "net",
33 |   "parking_lot",
34 |   "process",
35 |   "rt",
36 |   "signal",
37 |   "sync",
38 |   "time",
39 | ] }
40 | zbus_systemd = { version = "0.25600.0", optional = true, features = [
41 |   "systemd1",
42 | ] }
43 | tokio-util = "0.7"
44 | tracing = "0.1"
45 | tracing-journald = { version = "0.3", optional = true }
46 | tracing-subscriber = { version = "0.3", features = ["env-filter"] }
47 | zbus = { version = "4.3.0", default-features = false, features = ["tokio"] }
48 | cosmic-notifications-util = { git = "https://github.com/pop-os/cosmic-notifications" }
49 | 
50 | [features]
51 | systemd = ["dep:zbus_systemd", "dep:tracing-journald"]
52 | default = ["systemd"]
53 | autostart = ["dep:shell-words", "dep:dirs", "dep:freedesktop-desktop-entry"]
54 | 


--------------------------------------------------------------------------------
/Justfile:
--------------------------------------------------------------------------------
 1 | rootdir := ''
 2 | etcdir := '/etc'
 3 | prefix := '/usr'
 4 | clean := '0'
 5 | debug := '0'
 6 | vendor := '0'
 7 | cargo-target-dir := env('CARGO_TARGET_DIR', 'target')
 8 | target := if debug == '1' { 'debug' } else { 'release' }
 9 | vendor_args := if vendor == '1' { '--frozen --offline' } else { '' }
10 | debug_args := if debug == '1' { '' } else { '--release' }
11 | cargo_args := vendor_args + ' ' + debug_args
12 | xdp_cosmic := '/usr/libexec/xdg-desktop-portal-cosmic'
13 | orca := '/usr/bin/orca'
14 | cosmic_dconf_profile := prefix + '/share/dconf/profile/cosmic'
15 | 
16 | bindir := rootdir / prefix + '/bin'
17 | systemddir := rootdir / prefix + '/lib/systemd/user'
18 | sessiondir := rootdir / prefix + '/share/wayland-sessions'
19 | applicationdir := rootdir / prefix + '/share/applications'
20 | 
21 | all: _extract_vendor build
22 | 
23 | build:
24 |         XDP_COSMIC={{xdp_cosmic}} ORCA={{orca}} cargo build {{cargo_args}}
25 | 
26 | # Installs files into the system
27 | install:
28 | 	echo {{cosmic_dconf_profile}}
29 | 	# main binary
30 | 	install -Dm0755 {{cargo-target-dir}}/release/cosmic-session {{bindir}}/cosmic-session
31 | 
32 | 	# session start script
33 | 	install -Dm0755 data/start-cosmic {{bindir}}/start-cosmic
34 | 	sed -i "s|DCONF_PROFILE=cosmic|DCONF_PROFILE={{cosmic_dconf_profile}}|" {{bindir}}/start-cosmic
35 | 
36 | 	# systemd target
37 | 	install -Dm0644 data/cosmic-session.target {{systemddir}}/cosmic-session.target
38 | 
39 | 	# session
40 | 	install -Dm0644 data/cosmic.desktop {{sessiondir}}/cosmic.desktop
41 | 
42 | 	# mimeapps
43 | 	install -Dm0644 data/cosmic-mimeapps.list {{applicationdir}}/cosmic-mimeapps.list
44 | 
45 | 	# dconf profile
46 | 	install -Dm644 data/dconf/profile/cosmic {{rootdir}}/{{cosmic_dconf_profile}}
47 | 
48 | clean_vendor:
49 | 	rm -rf vendor vendor.tar .cargo/config
50 | 
51 | clean: clean_vendor
52 | 	cargo clean
53 | 
54 | # Extracts vendored dependencies if vendor=1
55 | _extract_vendor:
56 | 	#!/usr/bin/env sh
57 | 	if test {{vendor}} = 1; then
58 | 		rm -rf vendor; tar pxf vendor.tar
59 | 	fi
60 | 


--------------------------------------------------------------------------------
/LICENSE.md:
--------------------------------------------------------------------------------
  1 | GNU General Public License
  2 | ==========================
  3 | 
  4 | _Version 3, 29 June 2007_  
  5 | _Copyright © 2007 Free Software Foundation, Inc. &lt;<http://fsf.org/>&gt;_
  6 | 
  7 | Everyone is permitted to copy and distribute verbatim copies of this license
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353 | ### 8. Termination
354 | 
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387 | ### 10. Automatic Licensing of Downstream Recipients
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409 | 
410 | ### 11. Patents
411 | 
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414 | licensed is called the contributor's “contributor version”.
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460 | work, and under which the third party grants, to any of the parties who would receive
461 | the covered work from you, a discriminatory patent license **(a)** in connection with
462 | copies of the covered work conveyed by you (or copies made from those copies), or **(b)**
463 | primarily for and in connection with specific products or compilations that contain
464 | the covered work, unless you entered into that arrangement, or that patent license
465 | was granted, prior to 28 March 2007.
466 | 
467 | Nothing in this License shall be construed as excluding or limiting any implied
468 | license or other defenses to infringement that may otherwise be available to you
469 | under applicable patent law.
470 | 
471 | ### 12. No Surrender of Others' Freedom
472 | 
473 | If conditions are imposed on you (whether by court order, agreement or otherwise)
474 | that contradict the conditions of this License, they do not excuse you from the
475 | conditions of this License. If you cannot convey a covered work so as to satisfy
476 | simultaneously your obligations under this License and any other pertinent
477 | obligations, then as a consequence you may not convey it at all. For example, if you
478 | agree to terms that obligate you to collect a royalty for further conveying from
479 | those to whom you convey the Program, the only way you could satisfy both those terms
480 | and this License would be to refrain entirely from conveying the Program.
481 | 
482 | ### 13. Use with the GNU Affero General Public License
483 | 
484 | Notwithstanding any other provision of this License, you have permission to link or
485 | combine any covered work with a work licensed under version 3 of the GNU Affero
486 | General Public License into a single combined work, and to convey the resulting work.
487 | The terms of this License will continue to apply to the part which is the covered
488 | work, but the special requirements of the GNU Affero General Public License, section
489 | 13, concerning interaction through a network will apply to the combination as such.
490 | 
491 | ### 14. Revised Versions of this License
492 | 
493 | The Free Software Foundation may publish revised and/or new versions of the GNU
494 | General Public License from time to time. Such new versions will be similar in spirit
495 | to the present version, but may differ in detail to address new problems or concerns.
496 | 
497 | Each version is given a distinguishing version number. If the Program specifies that
498 | a certain numbered version of the GNU General Public License “or any later
499 | version” applies to it, you have the option of following the terms and
500 | conditions either of that numbered version or of any later version published by the
501 | Free Software Foundation. If the Program does not specify a version number of the GNU
502 | General Public License, you may choose any version ever published by the Free
503 | Software Foundation.
504 | 
505 | If the Program specifies that a proxy can decide which future versions of the GNU
506 | General Public License can be used, that proxy's public statement of acceptance of a
507 | version permanently authorizes you to choose that version for the Program.
508 | 
509 | Later license versions may give you additional or different permissions. However, no
510 | additional obligations are imposed on any author or copyright holder as a result of
511 | your choosing to follow a later version.
512 | 
513 | ### 15. Disclaimer of Warranty
514 | 
515 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
516 | EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
517 | PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER
518 | EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
519 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE
520 | QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
521 | DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
522 | 
523 | ### 16. Limitation of Liability
524 | 
525 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY
526 | COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS
527 | PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL,
528 | INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
529 | PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE
530 | OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE
531 | WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
532 | POSSIBILITY OF SUCH DAMAGES.
533 | 
534 | ### 17. Interpretation of Sections 15 and 16
535 | 
536 | If the disclaimer of warranty and limitation of liability provided above cannot be
537 | given local legal effect according to their terms, reviewing courts shall apply local
538 | law that most closely approximates an absolute waiver of all civil liability in
539 | connection with the Program, unless a warranty or assumption of liability accompanies
540 | a copy of the Program in return for a fee.
541 | 
542 | _END OF TERMS AND CONDITIONS_
543 | 
544 | ## How to Apply These Terms to Your New Programs
545 | 
546 | If you develop a new program, and you want it to be of the greatest possible use to
547 | the public, the best way to achieve this is to make it free software which everyone
548 | can redistribute and change under these terms.
549 | 
550 | To do so, attach the following notices to the program. It is safest to attach them
551 | to the start of each source file to most effectively state the exclusion of warranty;
552 | and each file should have at least the “copyright” line and a pointer to
553 | where the full notice is found.
554 | 
555 |     <one line to give the program's name and a brief idea of what it does.>
556 |     Copyright (C) <year>  <name of author>
557 | 
558 |     This program is free software: you can redistribute it and/or modify
559 |     it under the terms of the GNU General Public License as published by
560 |     the Free Software Foundation, either version 3 of the License, or
561 |     (at your option) any later version.
562 | 
563 |     This program is distributed in the hope that it will be useful,
564 |     but WITHOUT ANY WARRANTY; without even the implied warranty of
565 |     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
566 |     GNU General Public License for more details.
567 | 
568 |     You should have received a copy of the GNU General Public License
569 |     along with this program.  If not, see <http://www.gnu.org/licenses/>.
570 | 
571 | Also add information on how to contact you by electronic and paper mail.
572 | 
573 | If the program does terminal interaction, make it output a short notice like this
574 | when it starts in an interactive mode:
575 | 
576 |     <program>  Copyright (C) <year>  <name of author>
577 |     This program comes with ABSOLUTELY NO WARRANTY; for details type 'show w'.
578 |     This is free software, and you are welcome to redistribute it
579 |     under certain conditions; type 'show c' for details.
580 | 
581 | The hypothetical commands `show w` and `show c` should show the appropriate parts of
582 | the General Public License. Of course, your program's commands might be different;
583 | for a GUI interface, you would use an “about box”.
584 | 
585 | You should also get your employer (if you work as a programmer) or school, if any, to
586 | sign a “copyright disclaimer” for the program, if necessary. For more
587 | information on this, and how to apply and follow the GNU GPL, see
588 | &lt;<http://www.gnu.org/licenses/>&gt;.
589 | 
590 | The GNU General Public License does not permit incorporating your program into
591 | proprietary programs. If your program is a subroutine library, you may consider it
592 | more useful to permit linking proprietary applications with the library. If this is
593 | what you want to do, use the GNU Lesser General Public License instead of this
594 | License. But first, please read
595 | &lt;<http://www.gnu.org/philosophy/why-not-lgpl.html>&gt;.
596 | 


--------------------------------------------------------------------------------
/data/cosmic-mimeapps.list:
--------------------------------------------------------------------------------
  1 | [Default Applications]
  2 | text/plain=com.system76.CosmicEdit.desktop
  3 | text/css=com.system76.CosmicEdit.desktop
  4 | text/javascript=com.system76.CosmicEdit.desktop
  5 | text/markdown=com.system76.CosmicEdit.desktop
  6 | text/mathml=com.system76.CosmicEdit.desktop
  7 | text/rust=com.system76.CosmicEdit.desktop
  8 | text/x-c++hdr=com.system76.CosmicEdit.desktop
  9 | text/x-c++src=com.system76.CosmicEdit.desktop
 10 | text/x-csrc=com.system76.CosmicEdit.desktop
 11 | text/x-chdr=com.system76.CosmicEdit.desktop
 12 | text/x-dtd=com.system76.CosmicEdit.desktop
 13 | text/x-java=com.system76.CosmicEdit.desktop
 14 | text/x-javascript=com.system76.CosmicEdit.desktop
 15 | text/x-makefile=com.system76.CosmicEdit.desktop
 16 | text/x-moc=com.system76.CosmicEdit.desktop
 17 | text/x-pascal=com.system76.CosmicEdit.desktop
 18 | text/x-patch=com.system76.CosmicEdit.desktop
 19 | text/x-perl=com.system76.CosmicEdit.desktop
 20 | text/x-php=com.system76.CosmicEdit.desktop
 21 | text/x-python=com.system76.CosmicEdit.desktop
 22 | text/x-sql=com.system76.CosmicEdit.desktop
 23 | text/x-tcl=com.system76.CosmicEdit.desktop
 24 | text/x-tex=com.system76.CosmicEdit.desktop
 25 | text/xml=com.system76.CosmicEdit.desktop
 26 | application/javascript=com.system76.CosmicEdit.desktop
 27 | application/x-cgi=com.system76.CosmicEdit.desktop
 28 | application/x-javascript=com.system76.CosmicEdit.desktop
 29 | application/x-perl=com.system76.CosmicEdit.desktop
 30 | application/x-php=com.system76.CosmicEdit.desktop
 31 | application/x-python=com.system76.CosmicEdit.desktop
 32 | application/x-shellscript=com.system76.CosmicEdit.desktop
 33 | application/xml=com.system76.CosmicEdit.desktop
 34 | application/xml-dtd=com.system76.CosmicEdit.desktop
 35 | inode/directory=com.system76.CosmicFiles.desktop
 36 | inode/mount-point=com.system76.CosmicFiles.desktop
 37 | application/mxf=com.system76.CosmicPlayer.desktop
 38 | application/ogg=com.system76.CosmicPlayer.desktop
 39 | application/ram=com.system76.CosmicPlayer.desktop
 40 | application/sdp=com.system76.CosmicPlayer.desktop
 41 | application/smil=com.system76.CosmicPlayer.desktop
 42 | application/smil+xml=com.system76.CosmicPlayer.desktop
 43 | application/vnd.ms-wpl=com.system76.CosmicPlayer.desktop
 44 | application/vnd.rn-realmedia=com.system76.CosmicPlayer.desktop
 45 | application/x-extension-m4a=com.system76.CosmicPlayer.desktop
 46 | application/x-extension-mp4=com.system76.CosmicPlayer.desktop
 47 | application/x-flac=com.system76.CosmicPlayer.desktop
 48 | application/x-flash-video=com.system76.CosmicPlayer.desktop
 49 | application/x-matroska=com.system76.CosmicPlayer.desktop
 50 | application/x-netshow-channel=com.system76.CosmicPlayer.desktop
 51 | application/x-ogg=com.system76.CosmicPlayer.desktop
 52 | application/x-quicktime-media-link=com.system76.CosmicPlayer.desktop
 53 | application/x-quicktimeplayer=com.system76.CosmicPlayer.desktop
 54 | application/x-shorten=com.system76.CosmicPlayer.desktop
 55 | application/x-smil=com.system76.CosmicPlayer.desktop
 56 | application/xspf+xml=com.system76.CosmicPlayer.desktop
 57 | audio/3gpp=com.system76.CosmicPlayer.desktop
 58 | audio/ac3=com.system76.CosmicPlayer.desktop
 59 | audio/AMR=com.system76.CosmicPlayer.desktop
 60 | audio/AMR-WB=com.system76.CosmicPlayer.desktop
 61 | audio/basic=com.system76.CosmicPlayer.desktop
 62 | audio/flac=com.system76.CosmicPlayer.desktop
 63 | audio/midi=com.system76.CosmicPlayer.desktop
 64 | audio/mp4=com.system76.CosmicPlayer.desktop
 65 | audio/mpeg=com.system76.CosmicPlayer.desktop
 66 | audio/mpegurl=com.system76.CosmicPlayer.desktop
 67 | audio/ogg=com.system76.CosmicPlayer.desktop
 68 | audio/prs.sid=com.system76.CosmicPlayer.desktop
 69 | audio/vnd.rn-realaudio=com.system76.CosmicPlayer.desktop
 70 | audio/x-ape=com.system76.CosmicPlayer.desktop
 71 | audio/x-flac=com.system76.CosmicPlayer.desktop
 72 | audio/x-gsm=com.system76.CosmicPlayer.desktop
 73 | audio/x-it=com.system76.CosmicPlayer.desktop
 74 | audio/x-m4a=com.system76.CosmicPlayer.desktop
 75 | audio/x-matroska=com.system76.CosmicPlayer.desktop
 76 | audio/x-mod=com.system76.CosmicPlayer.desktop
 77 | audio/x-mp3=com.system76.CosmicPlayer.desktop
 78 | audio/x-mpeg=com.system76.CosmicPlayer.desktop
 79 | audio/x-mpegurl=com.system76.CosmicPlayer.desktop
 80 | audio/x-ms-asf=com.system76.CosmicPlayer.desktop
 81 | audio/x-ms-asx=com.system76.CosmicPlayer.desktop
 82 | audio/x-ms-wax=com.system76.CosmicPlayer.desktop
 83 | audio/x-ms-wma=com.system76.CosmicPlayer.desktop
 84 | audio/x-musepack=com.system76.CosmicPlayer.desktop
 85 | audio/x-pn-aiff=com.system76.CosmicPlayer.desktop
 86 | audio/x-pn-au=com.system76.CosmicPlayer.desktop
 87 | audio/x-pn-realaudio=com.system76.CosmicPlayer.desktop
 88 | audio/x-pn-realaudio-plugin=com.system76.CosmicPlayer.desktop
 89 | audio/x-pn-wav=com.system76.CosmicPlayer.desktop
 90 | audio/x-pn-windows-acm=com.system76.CosmicPlayer.desktop
 91 | audio/x-realaudio=com.system76.CosmicPlayer.desktop
 92 | audio/x-real-audio=com.system76.CosmicPlayer.desktop
 93 | audio/x-sbc=com.system76.CosmicPlayer.desktop
 94 | audio/x-scpls=com.system76.CosmicPlayer.desktop
 95 | audio/x-speex=com.system76.CosmicPlayer.desktop
 96 | audio/x-tta=com.system76.CosmicPlayer.desktop
 97 | audio/x-vorbis=com.system76.CosmicPlayer.desktop
 98 | audio/x-vorbis+ogg=com.system76.CosmicPlayer.desktop
 99 | audio/x-wav=com.system76.CosmicPlayer.desktop
100 | audio/x-wavpack=com.system76.CosmicPlayer.desktop
101 | audio/x-xm=com.system76.CosmicPlayer.desktop
102 | image/vnd.rn-realpix=com.system76.CosmicPlayer.desktop
103 | image/x-pict=com.system76.CosmicPlayer.desktop
104 | misc/ultravox=com.system76.CosmicPlayer.desktop
105 | text/google-video-pointer=com.system76.CosmicPlayer.desktop
106 | text/x-google-video-pointer=com.system76.CosmicPlayer.desktop
107 | video/3gpp=com.system76.CosmicPlayer.desktop
108 | video/dv=com.system76.CosmicPlayer.desktop
109 | video/fli=com.system76.CosmicPlayer.desktop
110 | video/flv=com.system76.CosmicPlayer.desktop
111 | video/mp2t=com.system76.CosmicPlayer.desktop
112 | video/mp4=com.system76.CosmicPlayer.desktop
113 | video/mp4v-es=com.system76.CosmicPlayer.desktop
114 | video/mpeg=com.system76.CosmicPlayer.desktop
115 | video/msvideo=com.system76.CosmicPlayer.desktop
116 | video/ogg=com.system76.CosmicPlayer.desktop
117 | video/quicktime=com.system76.CosmicPlayer.desktop
118 | video/vivo=com.system76.CosmicPlayer.desktop
119 | video/vnd.divx=com.system76.CosmicPlayer.desktop
120 | video/vnd.rn-realvideo=com.system76.CosmicPlayer.desktop
121 | video/vnd.vivo=com.system76.CosmicPlayer.desktop
122 | video/webm=com.system76.CosmicPlayer.desktop
123 | video/x-anim=com.system76.CosmicPlayer.desktop
124 | video/x-avi=com.system76.CosmicPlayer.desktop
125 | video/x-flc=com.system76.CosmicPlayer.desktop
126 | video/x-fli=com.system76.CosmicPlayer.desktop
127 | video/x-flic=com.system76.CosmicPlayer.desktop
128 | video/x-flv=com.system76.CosmicPlayer.desktop
129 | video/x-m4v=com.system76.CosmicPlayer.desktop
130 | video/x-matroska=com.system76.CosmicPlayer.desktop
131 | video/x-mpeg=com.system76.CosmicPlayer.desktop
132 | video/x-ms-asf=com.system76.CosmicPlayer.desktop
133 | video/x-ms-asx=com.system76.CosmicPlayer.desktop
134 | video/x-msvideo=com.system76.CosmicPlayer.desktop
135 | video/x-ms-wm=com.system76.CosmicPlayer.desktop
136 | video/x-ms-wmv=com.system76.CosmicPlayer.desktop
137 | video/x-ms-wmx=com.system76.CosmicPlayer.desktop
138 | video/x-ms-wvx=com.system76.CosmicPlayer.desktop
139 | video/x-nsv=com.system76.CosmicPlayer.desktop
140 | video/x-ogm+ogg=com.system76.CosmicPlayer.desktop
141 | video/x-theora+ogg=com.system76.CosmicPlayer.desktop
142 | video/x-totem-stream=com.system76.CosmicPlayer.desktop
143 | x-content/video-dvd=com.system76.CosmicPlayer.desktop
144 | x-content/video-vcd=com.system76.CosmicPlayer.desktop
145 | x-content/video-svcd=com.system76.CosmicPlayer.desktop
146 | x-scheme-handler/pnm=com.system76.CosmicPlayer.desktop
147 | x-scheme-handler/mms=com.system76.CosmicPlayer.desktop
148 | x-scheme-handler/net=com.system76.CosmicPlayer.desktop
149 | x-scheme-handler/rtp=com.system76.CosmicPlayer.desktop
150 | x-scheme-handler/rtsp=com.system76.CosmicPlayer.desktop
151 | x-scheme-handler/mmsh=com.system76.CosmicPlayer.desktop
152 | x-scheme-handler/uvox=com.system76.CosmicPlayer.desktop
153 | x-scheme-handler/icy=com.system76.CosmicPlayer.desktop
154 | x-scheme-handler/icyx=com.system76.CosmicPlayer.desktop
155 | application/x-cd-image=com.system76.Popsicle.desktop
156 | application/x-raw-disk-image=com.system76.Popsicle.desktop
157 | application/x-raw-disk-image-xz-compressed=com.system76.Popsicle.desktop
158 | application/x-debian-package=com.system76.CosmicStore.desktop
159 | application/vnd.debian.binary-package=com.system76.CosmicStore.desktop
160 | application/vnd.flatpak.ref=com.system76.CosmicStore.desktop
161 | x-scheme-handler/appstream=com.system76.CosmicStore.desktop
162 | x-scheme-handler/mime=com.system76.CosmicStore.desktop
163 | image/bmp=org.gnome.eog.desktop
164 | image/gif=org.gnome.eog.desktop
165 | image/jpeg=org.gnome.eog.desktop
166 | image/jpg=org.gnome.eog.desktop
167 | image/pjpeg=org.gnome.eog.desktop
168 | image/png=org.gnome.eog.desktop
169 | image/svg+xml=org.gnome.eog.desktop
170 | image/svg+xml-compressed=org.gnome.eog.desktop
171 | image/x-bmp=org.gnome.eog.desktop
172 | image/x-gray=org.gnome.eog.desktop
173 | image/x-icb=org.gnome.eog.desktop
174 | image/x-ico=org.gnome.eog.desktop
175 | image/x-pcx=org.gnome.eog.desktop
176 | image/x-png=org.gnome.eog.desktop
177 | image/x-portable-anymap=org.gnome.eog.desktop
178 | image/x-portable-bitmap=org.gnome.eog.desktop
179 | image/x-portable-graymap=org.gnome.eog.desktop
180 | image/x-portable-pixmap=org.gnome.eog.desktop
181 | image/x-xbitmap=org.gnome.eog.desktop
182 | image/x-xpixmap=org.gnome.eog.desktop
183 | image/vnd.wap.wbmp=org.gnome.eog.desktop
184 | image/g3fax=gimp.desktop
185 | image/x-compressed-xcf=gimp.desktop
186 | image/x-fits=gimp.desktop
187 | image/x-icon=gimp.desktop
188 | image/x-psd=gimp.desktop
189 | image/x-sgi=gimp.desktop
190 | image/x-sun-raster=gimp.desktop
191 | image/x-tga=gimp.desktop
192 | image/x-xcf=gimp.desktop
193 | image/x-xwindowdump=gimp.desktop
194 | application/pdf=org.gnome.Evince.desktop
195 | application/x-bzpdf=org.gnome.Evince.desktop
196 | application/x-gzpdf=org.gnome.Evince.desktop
197 | application/postscript=org.gnome.Evince.desktop
198 | application/x-bzpostscript=org.gnome.Evince.desktop
199 | application/x-gzpostscript=org.gnome.Evince.desktop
200 | image/x-eps=org.gnome.Evince.desktop
201 | image/x-bzeps=org.gnome.Evince.desktop
202 | image/x-gzeps=org.gnome.Evince.desktop
203 | application/x-dvi=org.gnome.Evince.desktop
204 | application/x-bzdvi=org.gnome.Evince.desktop
205 | application/x-gzdvi=org.gnome.Evince.desktop
206 | image/vnd.djvu=org.gnome.Evince.desktop
207 | image/tiff=org.gnome.Evince.desktop
208 | application/x-cbr=org.gnome.Evince.desktop
209 | application/x-cbz=org.gnome.Evince.desktop
210 | application/x-cb7=org.gnome.Evince.desktop
211 | application/x-7z-compressed=org.gnome.FileRoller.desktop
212 | application/x-7z-compressed-tar=org.gnome.FileRoller.desktop
213 | application/x-ace=org.gnome.FileRoller.desktop
214 | application/x-alz=org.gnome.FileRoller.desktop
215 | application/x-ar=org.gnome.FileRoller.desktop
216 | application/x-arj=org.gnome.FileRoller.desktop
217 | application/x-bzip=org.gnome.FileRoller.desktop
218 | application/x-bzip-compressed-tar=org.gnome.FileRoller.desktop
219 | application/x-bzip1=org.gnome.FileRoller.desktop
220 | application/x-bzip1-compressed-tar=org.gnome.FileRoller.desktop
221 | application/x-cabinet=org.gnome.FileRoller.desktop
222 | application/x-compress=org.gnome.FileRoller.desktop
223 | application/x-compressed-tar=org.gnome.FileRoller.desktop
224 | application/x-cpio=org.gnome.FileRoller.desktop
225 | application/x-deb=org.gnome.FileRoller.desktop
226 | application/x-ear=org.gnome.FileRoller.desktop
227 | application/x-gtar=org.gnome.FileRoller.desktop
228 | application/x-gzip=org.gnome.FileRoller.desktop
229 | application/x-java-archive=org.gnome.FileRoller.desktop
230 | application/x-lha=org.gnome.FileRoller.desktop
231 | application/x-lhz=org.gnome.FileRoller.desktop
232 | application/x-lzip=org.gnome.FileRoller.desktop
233 | application/x-lzip-compressed-tar=org.gnome.FileRoller.desktop
234 | application/x-lzma=org.gnome.FileRoller.desktop
235 | application/x-lzma-compressed-tar=org.gnome.FileRoller.desktop
236 | application/x-lzop=org.gnome.FileRoller.desktop
237 | application/x-lzop-compressed-tar=org.gnome.FileRoller.desktop
238 | application/x-rar=org.gnome.FileRoller.desktop
239 | application/x-rar-compressed=org.gnome.FileRoller.desktop
240 | application/x-rpm=org.gnome.FileRoller.desktop
241 | application/x-rzip=org.gnome.FileRoller.desktop
242 | application/x-tar=org.gnome.FileRoller.desktop
243 | application/x-tarz=org.gnome.FileRoller.desktop
244 | application/x-stuffit=org.gnome.FileRoller.desktop
245 | application/x-war=org.gnome.FileRoller.desktop
246 | application/x-xz=org.gnome.FileRoller.desktop
247 | application/x-xz-compressed-tar=org.gnome.FileRoller.desktop
248 | application/x-zip=org.gnome.FileRoller.desktop
249 | application/x-zip-compressed=org.gnome.FileRoller.desktop
250 | application/x-zoo=org.gnome.FileRoller.desktop
251 | application/zip=org.gnome.FileRoller.desktop
252 | multipart/x-zip=org.gnome.FileRoller.desktop
253 | application/x-font-ttf=org.gnome.font-viewer.desktop
254 | application/x-font-pcf=org.gnome.font-viewer.desktop
255 | application/x-font-type1=org.gnome.font-viewer.desktop
256 | application/x-font-otf=org.gnome.font-viewer.desktop
257 | text/html=firefox-esr.desktop;firefox.desktop;
258 | application/xhtml+xml=firefox-esr.desktop;firefox.desktop;
259 | application/rss+xml=firefox-esr.desktop;firefox.desktop;
260 | application/rdf+xml=firefox-esr.desktop;firefox.desktop;
261 | x-scheme-handler/http=firefox-esr.desktop;firefox.desktop;
262 | x-scheme-handler/https=firefox-esr.desktop;firefox.desktop;
263 | application/vnd.oasis.opendocument.spreadsheet=libreoffice-calc.desktop
264 | application/vnd.oasis.opendocument.spreadsheet-flat-xml=libreoffice-calc.desktop
265 | application/vnd.oasis.opendocument.spreadsheet-template=libreoffice-calc.desktop
266 | application/vnd.sun.xml.calc=libreoffice-calc.desktop
267 | application/vnd.sun.xml.calc.template=libreoffice-calc.desktop
268 | application/msexcel=libreoffice-calc.desktop
269 | application/vnd.ms-excel=libreoffice-calc.desktop
270 | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet=libreoffice-calc.desktop
271 | application/vnd.ms-excel.sheet.macroenabled.12=libreoffice-calc.desktop
272 | application/vnd.openxmlformats-officedocument.spreadsheetml.template=libreoffice-calc.desktop
273 | application/vnd.ms-excel.template.macroenabled.12=libreoffice-calc.desktop
274 | application/vnd.ms-excel.sheet.binary.macroenabled.12=libreoffice-calc.desktop
275 | application/x-dbf=libreoffice-calc.desktop
276 | text/spreadsheet=libreoffice-calc.desktop
277 | application/vnd.oasis.opendocument.graphics=libreoffice-draw.desktop
278 | application/vnd.oasis.opendocument.graphics-flat-xml=libreoffice-draw.desktop
279 | application/vnd.oasis.opendocument.graphics-template=libreoffice-draw.desktop
280 | application/vnd.sun.xml.draw=libreoffice-draw.desktop
281 | application/vnd.sun.xml.draw.template=libreoffice-draw.desktop
282 | application/vnd.visio=libreoffice-draw.desktop
283 | application/vnd.oasis.opendocument.presentation=libreoffice-impress.desktop
284 | application/vnd.oasis.opendocument.presentation-flat-xml=libreoffice-impress.desktop
285 | application/vnd.oasis.opendocument.presentation-template=libreoffice-impress.desktop
286 | application/vnd.sun.xml.impress=libreoffice-impress.desktop
287 | application/vnd.sun.xml.impress.template=libreoffice-impress.desktop
288 | application/mspowerpoint=libreoffice-impress.desktop
289 | application/vnd.ms-powerpoint=libreoffice-impress.desktop
290 | application/vnd.openxmlformats-officedocument.presentationml.presentation=libreoffice-impress.desktop
291 | application/vnd.ms-powerpoint.presentation.macroenabled.12=libreoffice-impress.desktop
292 | application/vnd.openxmlformats-officedocument.presentationml.template=libreoffice-impress.desktop
293 | application/vnd.ms-powerpoint.template.macroenabled.12=libreoffice-impress.desktop
294 | application/vnd.openxmlformats-officedocument.presentationml.slide=libreoffice-impress.desktop
295 | application/vnd.openxmlformats-officedocument.presentationml.slideshow=libreoffice-impress.desktop
296 | application/vnd.oasis.opendocument.formula=libreoffice-math.desktop
297 | application/vnd.sun.xml.math=libreoffice-math.desktop
298 | application/vnd.oasis.opendocument.text=libreoffice-writer.desktop
299 | application/vnd.oasis.opendocument.text-flat-xml=libreoffice-writer.desktop
300 | application/vnd.oasis.opendocument.text-template=libreoffice-writer.desktop
301 | application/vnd.oasis.opendocument.text-web=libreoffice-writer.desktop
302 | application/vnd.oasis.opendocument.text-master=libreoffice-writer.desktop
303 | application/vnd.sun.xml.writer=libreoffice-writer.desktop
304 | application/vnd.sun.xml.writer.template=libreoffice-writer.desktop
305 | application/vnd.sun.xml.writer.global=libreoffice-writer.desktop
306 | eapplication/vnd.ms-word=libreoffice-writer.desktop
307 | application/x-doc=libreoffice-writer.desktop
308 | application/x-hwp=libreoffice-writer.desktop
309 | application/vnd.wordperfect=libreoffice-writer.desktop
310 | application/wordperfect=libreoffice-writer.desktop
311 | application/vnd.lotus-wordpro=libreoffice-writer.desktop
312 | application/vnd.openxmlformats-officedocument.wordprocessingml.document=libreoffice-writer.desktop
313 | application/vnd.ms-word.document.macroenabled.12=libreoffice-writer.desktop
314 | application/vnd.openxmlformats-officedocument.wordprocessingml.template=libreoffice-writer.desktop
315 | application/vnd.ms-word.template.macroenabled.12=libreoffice-writer.desktop
316 | 


--------------------------------------------------------------------------------
/data/cosmic-session.target:
--------------------------------------------------------------------------------
 1 | [Unit]
 2 | Description=Cosmic Session Target
 3 | Documentation=man:systemd.special(7)
 4 | 
 5 | BindsTo=graphical-session.target
 6 | Before=graphical-session.target
 7 | 
 8 | Wants=graphical-session-pre.target
 9 | After=graphical-session-pre.target
10 | 
11 | Wants=xdg-desktop-autostart.target
12 | Before=xdg-desktop-autostart.target
13 | 


--------------------------------------------------------------------------------
/data/cosmic.desktop:
--------------------------------------------------------------------------------
1 | [Desktop Entry]
2 | Name=COSMIC
3 | Comment=This session logs you into the COSMIC desktop
4 | Exec=/usr/bin/start-cosmic
5 | Type=Application
6 | DesktopNames=COSMIC
7 | 


--------------------------------------------------------------------------------
/data/dconf/profile/cosmic:
--------------------------------------------------------------------------------
1 | user-db:cosmic
2 | user-db:user
3 | 


--------------------------------------------------------------------------------
/data/start-cosmic:
--------------------------------------------------------------------------------
 1 | #!/bin/bash
 2 | 
 3 | set -e
 4 | 
 5 | # From: https://people.debian.org/~mpitt/systemd.conf-2016-graphical-session.pdf
 6 | 
 7 | if command -v systemctl >/dev/null; then
 8 |     # robustness: if the previous graphical session left some failed units,
 9 |     # reset them so that they don't break this startup
10 |     for unit in $(systemctl --user --no-legend --state=failed --plain list-units | cut -f1 -d' '); do
11 |         partof="$(systemctl --user show -p PartOf --value "$unit")"
12 |         for target in cosmic-session.target graphical-session.target; do
13 |             if [ "$partof" = "$target" ]; then
14 |                 systemctl --user reset-failed "$unit"
15 |                 break
16 |             fi
17 |         done
18 |     done
19 | fi
20 | 
21 | # use the user's preferred shell to acquire environment variables
22 | # see: https://github.com/pop-os/cosmic-session/issues/23
23 | if [ -n "${SHELL}" ]; then
24 |     # --in-login-shell: our flag to indicate that we don't need to recurse any further
25 |     if [ "${1}" != "--in-login-shell" ]; then
26 |         # `exec -l`: like `login`, prefixes $SHELL with a hyphen to start a login shell
27 |         exec bash -c "exec -l '${SHELL}' -c '${0} --in-login-shell'"
28 |     fi
29 | fi
30 | 
31 | export XDG_CURRENT_DESKTOP="${XDG_CURRENT_DESKTOP:=COSMIC}"
32 | export XDG_SESSION_TYPE="${XDG_SESSION_TYPE:=wayland}"
33 | export _JAVA_AWT_WM_NONREPARENTING=1
34 | export GDK_BACKEND=wayland,x11
35 | export MOZ_ENABLE_WAYLAND=1
36 | export QT_QPA_PLATFORM="wayland;xcb"
37 | export QT_AUTO_SCREEN_SCALE_FACTOR=1
38 | export QT_ENABLE_HIGHDPI_SCALING=1
39 | export DCONF_PROFILE=cosmic
40 | 
41 | if command -v dbus-update-activation-environment >/dev/null; then
42 |     # set environment variables for new units started by user service manager
43 |     dbus-update-activation-environment --systemd \
44 |         DCONF_PROFILE \
45 |         DISPLAY \
46 |         WAYLAND_DISPLAY \
47 |         XDG_CURRENT_DESKTOP \
48 |         XDG_SESSION_TYPE \
49 |         # EOF
50 | fi
51 | # Run cosmic-session
52 | if [[ -z "${DBUS_SESSION_BUS_ADDRESS}" ]]; then
53 |     exec /usr/bin/dbus-run-session -- /usr/bin/cosmic-session
54 | else
55 |     exec /usr/bin/cosmic-session
56 | fi
57 | 


--------------------------------------------------------------------------------
/debian/changelog:
--------------------------------------------------------------------------------
1 | cosmic-session (0.1.0) UNRELEASED; urgency=medium
2 | 
3 |   * Initial release.
4 | 
5 |  -- Lucy <lucy@system76.com>  Thu, 07 Jul 2022 14:42:01 -0400
6 | 


--------------------------------------------------------------------------------
/debian/control:
--------------------------------------------------------------------------------
 1 | Source: cosmic-session
 2 | Section: admin
 3 | Priority: optional
 4 | Maintainer: System76 <info@system76.com>
 5 | Build-Depends:
 6 |   debhelper (>= 11),
 7 |   debhelper-compat (= 11),
 8 |   cargo,
 9 |   just
10 | Standards-Version: 4.3.0
11 | Homepage: https://github.com/pop-os/cosmic-session
12 | 
13 | Package: cosmic-session
14 | Architecture: amd64 arm64
15 | Depends:
16 |   ${misc:Depends},
17 |   ${shlibs:Depends},
18 |   cosmic-app-library,
19 |   cosmic-applets,
20 |   cosmic-bg,
21 |   cosmic-comp,
22 |   cosmic-files,
23 |   cosmic-greeter,
24 |   cosmic-icons,
25 |   cosmic-idle,
26 |   cosmic-launcher,
27 |   cosmic-notifications,
28 |   cosmic-osd,
29 |   cosmic-panel,
30 |   cosmic-randr,
31 |   cosmic-screenshot,
32 |   cosmic-settings,
33 |   cosmic-settings-daemon,
34 |   cosmic-workspaces,
35 |   fonts-open-sans,
36 |   pop-fonts,
37 |   switcheroo-control,
38 |   xdg-desktop-portal-cosmic,
39 |   xwayland,
40 | Recommends:
41 |   cosmic-edit,
42 |   cosmic-player,
43 |   cosmic-store,
44 |   cosmic-term,
45 |   cosmic-wallpapers,
46 |   system-config-printer,
47 | Description: The session for the COSMIC desktop
48 | 


--------------------------------------------------------------------------------
/debian/copyright:
--------------------------------------------------------------------------------
1 | Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
2 | Upstream-Name: cosmic-session
3 | Source: https://github.com/pop-os/cosmic-session
4 | 
5 | Files: *
6 | Copyright: Copyright 2022 System76
7 | License: GPL-3.0-only
8 | 


--------------------------------------------------------------------------------
/debian/cosmic-session.gsettings-override:
--------------------------------------------------------------------------------
 1 | [org.gnome.desktop.interface:COSMIC]
 2 | color-scheme = "prefer-dark"
 3 | gtk-theme = "Pop-dark"
 4 | icon-theme = "Pop"
 5 | cursor-theme = "Pop"
 6 | font-name = "Open Sans 11"
 7 | document-font-name = "Open Sans 11"
 8 | monospace-font-name = "Noto Sans Mono 11"
 9 | titlebar-font='Open Sans Bold 11'
10 | 


--------------------------------------------------------------------------------
/debian/rules:
--------------------------------------------------------------------------------
 1 | #!/usr/bin/make -f
 2 | 
 3 | DESTDIR = debian/cosmic-session
 4 | CLEAN ?= 1
 5 | VENDOR ?= 1
 6 | 
 7 | %:
 8 | 	dh $@
 9 | 
10 | override_dh_installgsettings:
11 | 	dh_installgsettings --priority=50
12 | 
13 | override_dh_shlibdeps:
14 | 	dh_shlibdeps --dpkg-shlibdeps-params=--ignore-missing-info
15 | 
16 | override_dh_auto_clean:
17 | 	if test "${CLEAN}" = "1"; then \
18 | 		cargo clean; \
19 | 	fi
20 | 
21 | 	if ! ischroot && test "${VENDOR}" = "1"; then \
22 | 		mkdir -p .cargo; \
23 | 		cargo vendor --sync Cargo.toml | head -n -1 > .cargo/config.toml; \
24 | 		echo 'directory = "vendor"' >> .cargo/config.toml; \
25 | 		tar pcf vendor.tar vendor; \
26 | 		rm -rf vendor; \
27 | 	fi
28 | 
29 | override_dh_auto_build:
30 | 	just rootdir=$(DESTDIR) debug=$(DEBUG) vendor=$(VENDOR)
31 | 
32 | override_dh_auto_install:
33 | 	just rootdir=$(DESTDIR) install
34 | 


--------------------------------------------------------------------------------
/debian/source/format:
--------------------------------------------------------------------------------
1 | 3.0 (native)
2 | 


--------------------------------------------------------------------------------
/flake.lock:
--------------------------------------------------------------------------------
  1 | {
  2 |   "nodes": {
  3 |     "crane": {
  4 |       "inputs": {
  5 |         "nixpkgs": [
  6 |           "nixpkgs"
  7 |         ]
  8 |       },
  9 |       "locked": {
 10 |         "lastModified": 1702141249,
 11 |         "narHash": "sha256-8wDpJKbDTDqFmyJfNEJOLrHYDoEzCjCbmz+lSRoU3CI=",
 12 |         "owner": "ipetkov",
 13 |         "repo": "crane",
 14 |         "rev": "62fc1a0cbe144c1014d956e603d56bf1ffe69c7d",
 15 |         "type": "github"
 16 |       },
 17 |       "original": {
 18 |         "owner": "ipetkov",
 19 |         "repo": "crane",
 20 |         "type": "github"
 21 |       }
 22 |     },
 23 |     "fenix": {
 24 |       "inputs": {
 25 |         "nixpkgs": [
 26 |           "nixpkgs"
 27 |         ],
 28 |         "rust-analyzer-src": "rust-analyzer-src"
 29 |       },
 30 |       "locked": {
 31 |         "lastModified": 1702189261,
 32 |         "narHash": "sha256-TN6gE1eZddDhAoRrScV6Wji1Nk3uqMIDjGwN5ZesAZk=",
 33 |         "owner": "nix-community",
 34 |         "repo": "fenix",
 35 |         "rev": "cae060dbaf53430bb2b549ced0affd54d40e6cee",
 36 |         "type": "github"
 37 |       },
 38 |       "original": {
 39 |         "owner": "nix-community",
 40 |         "repo": "fenix",
 41 |         "type": "github"
 42 |       }
 43 |     },
 44 |     "flake-utils": {
 45 |       "inputs": {
 46 |         "systems": "systems"
 47 |       },
 48 |       "locked": {
 49 |         "lastModified": 1701680307,
 50 |         "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
 51 |         "owner": "numtide",
 52 |         "repo": "flake-utils",
 53 |         "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
 54 |         "type": "github"
 55 |       },
 56 |       "original": {
 57 |         "owner": "numtide",
 58 |         "repo": "flake-utils",
 59 |         "type": "github"
 60 |       }
 61 |     },
 62 |     "nix-filter": {
 63 |       "locked": {
 64 |         "lastModified": 1701697642,
 65 |         "narHash": "sha256-L217WytWZHSY8GW9Gx1A64OnNctbuDbfslaTEofXXRw=",
 66 |         "owner": "numtide",
 67 |         "repo": "nix-filter",
 68 |         "rev": "c843418ecfd0344ecb85844b082ff5675e02c443",
 69 |         "type": "github"
 70 |       },
 71 |       "original": {
 72 |         "owner": "numtide",
 73 |         "repo": "nix-filter",
 74 |         "type": "github"
 75 |       }
 76 |     },
 77 |     "nixpkgs": {
 78 |       "locked": {
 79 |         "lastModified": 1702206697,
 80 |         "narHash": "sha256-vE9oEx3Y8TO5MnWwFlmopjHd1JoEBno+EhsfUCq5iR8=",
 81 |         "owner": "NixOS",
 82 |         "repo": "nixpkgs",
 83 |         "rev": "29d6c96900b9b576c2fb89491452f283aa979819",
 84 |         "type": "github"
 85 |       },
 86 |       "original": {
 87 |         "owner": "NixOS",
 88 |         "ref": "nixpkgs-unstable",
 89 |         "repo": "nixpkgs",
 90 |         "type": "github"
 91 |       }
 92 |     },
 93 |     "root": {
 94 |       "inputs": {
 95 |         "crane": "crane",
 96 |         "fenix": "fenix",
 97 |         "flake-utils": "flake-utils",
 98 |         "nix-filter": "nix-filter",
 99 |         "nixpkgs": "nixpkgs"
100 |       }
101 |     },
102 |     "rust-analyzer-src": {
103 |       "flake": false,
104 |       "locked": {
105 |         "lastModified": 1702153490,
106 |         "narHash": "sha256-F98s0+mUHtqiUk9iCApPTy23YMLmcKqTfsShpIPB40Q=",
107 |         "owner": "rust-lang",
108 |         "repo": "rust-analyzer",
109 |         "rev": "9d87a23cdef6087c1a0c97980949e2310271a941",
110 |         "type": "github"
111 |       },
112 |       "original": {
113 |         "owner": "rust-lang",
114 |         "ref": "nightly",
115 |         "repo": "rust-analyzer",
116 |         "type": "github"
117 |       }
118 |     },
119 |     "systems": {
120 |       "locked": {
121 |         "lastModified": 1681028828,
122 |         "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
123 |         "owner": "nix-systems",
124 |         "repo": "default",
125 |         "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
126 |         "type": "github"
127 |       },
128 |       "original": {
129 |         "owner": "nix-systems",
130 |         "repo": "default",
131 |         "type": "github"
132 |       }
133 |     }
134 |   },
135 |   "root": "root",
136 |   "version": 7
137 | }
138 | 


--------------------------------------------------------------------------------
/flake.nix:
--------------------------------------------------------------------------------
 1 | {
 2 |   description = "Session manager for the COSMIC desktop environment";
 3 | 
 4 |   inputs = {
 5 |     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
 6 |     flake-utils.url = "github:numtide/flake-utils";
 7 |     nix-filter.url = "github:numtide/nix-filter";
 8 |     crane = {
 9 |       url = "github:ipetkov/crane";
10 |       inputs.nixpkgs.follows = "nixpkgs";
11 |     };
12 |     fenix = {
13 |       url = "github:nix-community/fenix";
14 |       inputs.nixpkgs.follows = "nixpkgs";
15 |     };
16 |   };
17 | 
18 |   outputs = { self, nixpkgs, flake-utils, nix-filter, crane, fenix }:
19 |     flake-utils.lib.eachSystem [ "x86_64-linux" "aarch64-linux" ] (system:
20 |       let
21 |         pkgs = nixpkgs.legacyPackages.${system};
22 |         craneLib = crane.lib.${system}.overrideToolchain fenix.packages.${system}.stable.toolchain;
23 | 
24 |         pkgDef = {
25 |           nativeBuildInputs = with pkgs; [ just pkg-config autoPatchelfHook ];
26 |           buildInputs = with pkgs; [
27 |             stdenv.cc.cc.lib
28 |           ];
29 |           src = nix-filter.lib.filter {
30 |             root = ./.;
31 |             include = [
32 |               ./src
33 |               ./Cargo.toml
34 |               ./Cargo.lock
35 |               ./Justfile
36 |               ./data
37 |             ];
38 |           };
39 |         };
40 | 
41 |         cargoArtifacts = craneLib.buildDepsOnly pkgDef;
42 |         cosmic-session = craneLib.buildPackage (pkgDef // {
43 |           inherit cargoArtifacts;
44 |         });
45 |       in {
46 |         checks = {
47 |           inherit cosmic-session;
48 |         };
49 | 
50 |         packages.default = cosmic-session.overrideAttrs (oldAttrs: rec {
51 |         buildPhase = ''
52 |             just prefix=$out xdp_cosmic=/run/current-system/sw/bin/xdg-desktop-portal-cosmic build 
53 |           '';
54 |         installPhase = ''
55 |             runHook preInstallPhase
56 |             just prefix=$out install
57 |           '';
58 |         preInstallPhase = ''
59 |             substituteInPlace data/start-cosmic --replace '#!/bin/bash' "#!${pkgs.bash}/bin/bash"
60 |             substituteInPlace data/start-cosmic --replace '/usr/bin/cosmic-session' "${placeholder "out"}/bin/cosmic-session"
61 |             substituteInPlace data/start-cosmic --replace '/usr/bin/dbus-run-session' "${pkgs.dbus}/bin/dbus-run-session"
62 |             substituteInPlace data/cosmic.desktop --replace '/usr/bin/start-cosmic' "${placeholder "out"}/bin/start-cosmic"
63 |         '';  
64 |           passthru.providedSessions = [ "cosmic" ];
65 |         });
66 | 
67 |         apps.default = flake-utils.lib.mkApp {
68 |           drv = cosmic-session;
69 |         };
70 | 
71 |         devShells.default = pkgs.mkShell {
72 |           inputsFrom = builtins.attrValues self.checks.${system};
73 |         };
74 |       });
75 | 
76 |   nixConfig = {
77 |     # Cache for the Rust toolchain in fenix
78 |     extra-substituters = [ "https://nix-community.cachix.org" ];
79 |     extra-trusted-public-keys = [ "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=" ];
80 |   };
81 | }
82 | 


--------------------------------------------------------------------------------
/src/a11y.rs:
--------------------------------------------------------------------------------
 1 | use futures_util::StreamExt;
 2 | use launch_pad::ProcessManager;
 3 | use tokio::sync::mpsc;
 4 | use tracing::Instrument;
 5 | 
 6 | const ORCA: Option<&'static str> = option_env!("ORCA");
 7 | 
 8 | pub async fn start_a11y(
 9 | 	env_vars: Vec<(String, String)>,
10 | 	pman: ProcessManager,
11 | ) -> color_eyre::Result<()> {
12 | 	let (tx, mut rx) = mpsc::unbounded_channel();
13 | 	let mut process_key = None;
14 | 	let conn = zbus::Connection::session().await?;
15 | 	let proxy = cosmic_dbus_a11y::StatusProxy::new(&conn).await?;
16 | 
17 | 	tokio::spawn(async move {
18 | 		let mut watch_changes = proxy.receive_screen_reader_enabled_changed().await;
19 | 		let mut enabled = false;
20 | 		if let Ok(status) = proxy.screen_reader_enabled().await {
21 | 			_ = tx.send(status);
22 | 
23 | 			enabled = status;
24 | 		}
25 | 		while let Some(change) = watch_changes.next().await {
26 | 			let Ok(new_enabled) = change.get().await else {
27 | 				tokio::time::sleep(tokio::time::Duration::from_secs(10)).await;
28 | 				continue;
29 | 			};
30 | 			if enabled != new_enabled {
31 | 				_ = tx.send(new_enabled);
32 | 				enabled = new_enabled;
33 | 			}
34 | 		}
35 | 	});
36 | 
37 | 	while let Some(enabled) = rx.recv().await {
38 | 		let stdout_span = info_span!(parent: None, "screen-reader");
39 | 		let stderr_span = stdout_span.clone();
40 | 		if enabled && process_key.is_none() {
41 | 			// spawn orca
42 | 			match pman
43 | 				.start(
44 | 					launch_pad::process::Process::new()
45 | 						.with_executable(ORCA.unwrap_or("/usr/bin/orca"))
46 | 						.with_env(env_vars.clone())
47 | 						.with_on_stdout(move |_, _, line| {
48 | 							let stdout_span = stdout_span.clone();
49 | 							async move {
50 | 								info!("{}", line);
51 | 							}
52 | 							.instrument(stdout_span)
53 | 						})
54 | 						.with_on_stderr(move |_, _, line| {
55 | 							let stderr_span = stderr_span.clone();
56 | 							async move {
57 | 								warn!("{}", line);
58 | 							}
59 | 							.instrument(stderr_span)
60 | 						}),
61 | 				)
62 | 				.await
63 | 			{
64 | 				Ok(key) => {
65 | 					process_key = Some(key);
66 | 				}
67 | 				Err(err) => {
68 | 					tracing::error!("Failed to start screen reader {err:?}");
69 | 				}
70 | 			}
71 | 		} else if !enabled && process_key.is_some() {
72 | 			// kill orca
73 | 			info!("Stopping screen reader");
74 | 			if let Err(err) = pman.stop_process(process_key.take().unwrap()).await {
75 | 				tracing::error!("Failed to stop screen reader. {err:?}")
76 | 			}
77 | 		}
78 | 	}
79 | 	Ok(())
80 | }
81 | 


--------------------------------------------------------------------------------
/src/comp.rs:
--------------------------------------------------------------------------------
  1 | // SPDX-License-Identifier: GPL-3.0-only
  2 | use color_eyre::eyre::{Result, WrapErr};
  3 | use launch_pad::{process::Process, ProcessManager};
  4 | use sendfd::SendWithFd;
  5 | use serde::{Deserialize, Serialize};
  6 | use std::{collections::HashMap, os::unix::prelude::*};
  7 | use tokio::{
  8 | 	io::{AsyncReadExt, AsyncWriteExt},
  9 | 	net::{
 10 | 		unix::{OwnedReadHalf, OwnedWriteHalf},
 11 | 		UnixStream,
 12 | 	},
 13 | 	sync::{mpsc, oneshot},
 14 | 	task::JoinHandle,
 15 | };
 16 | use tokio_util::sync::CancellationToken;
 17 | 
 18 | use crate::{process::mark_as_not_cloexec, service::SessionRequest};
 19 | 
 20 | #[derive(Debug, Serialize, Deserialize)]
 21 | #[serde(rename_all = "snake_case", tag = "message")]
 22 | pub enum Message {
 23 | 	SetEnv { variables: HashMap<String, String> },
 24 | 	NewPrivilegedClient { count: usize },
 25 | }
 26 | 
 27 | // Cancellation safe!
 28 | #[derive(Default)]
 29 | struct IpcState {
 30 | 	env_tx: Option<oneshot::Sender<HashMap<String, String>>>,
 31 | 	length: Option<u16>,
 32 | 	bytes_read: usize,
 33 | 	buf: Vec<u8>,
 34 | }
 35 | 
 36 | fn parse_and_handle_ipc(state: &mut IpcState) {
 37 | 	match serde_json::from_slice::<Message>(&state.buf) {
 38 | 		Ok(Message::SetEnv { variables }) => {
 39 | 			if let Some(env_tx) = state.env_tx.take() {
 40 | 				env_tx.send(variables).unwrap();
 41 | 			}
 42 | 		}
 43 | 		Ok(Message::NewPrivilegedClient { .. }) => {
 44 | 			unreachable!("NewPrivilegedClient should not be sent TO the session!");
 45 | 		}
 46 | 		Err(_) => {
 47 | 			warn!(
 48 | 				"Unknown session socket message, are you using incompatible cosmic-session and \
 49 | 				 cosmic-comp versions?"
 50 | 			)
 51 | 		}
 52 | 	}
 53 | }
 54 | 
 55 | async fn receive_ipc(state: &mut IpcState, rx: &mut OwnedReadHalf) -> Result<()> {
 56 | 	// This is kind of a doozy, but this is kinda complex so it can be
 57 | 	// cancellation-safe.
 58 | 	match state.length {
 59 | 		// We already got the length, and are currently reading the message body.
 60 | 		Some(length) => {
 61 | 			let index = state.bytes_read.saturating_sub(1);
 62 | 			// Add the amount of bytes read to our state.
 63 | 			// I don't think this is entirely cancellation safe, which worries me.
 64 | 			state.bytes_read += rx
 65 | 				.read_exact(&mut state.buf[index..])
 66 | 				.await
 67 | 				.wrap_err("failed to read IPC length")?;
 68 | 			// If we've read enough bytes, parse the message.
 69 | 			if state.bytes_read >= length as usize {
 70 | 				parse_and_handle_ipc(state);
 71 | 				// Set the state back to the default "waiting for a length" mode.
 72 | 				state.length = None;
 73 | 				state.bytes_read = 0;
 74 | 				state.buf.clear();
 75 | 			}
 76 | 			Ok(())
 77 | 		}
 78 | 		None => {
 79 | 			// Resize the state buffer enough to fit a u16./
 80 | 			state.buf.resize(2, 0);
 81 | 			let index = state.bytes_read.saturating_sub(1);
 82 | 			// Read the remaining bytes of the length.
 83 | 			state.bytes_read += rx
 84 | 				.read_exact(&mut state.buf[index..])
 85 | 				.await
 86 | 				.wrap_err("failed to read IPC length")?;
 87 | 			// If we've read two bytes, then parse a native-endian u16 from them.
 88 | 			if state.bytes_read >= 2 {
 89 | 				let length = u16::from_ne_bytes(
 90 | 					state.buf[..2]
 91 | 						.try_into()
 92 | 						.wrap_err("failed to convert IPC length to u16")?,
 93 | 				);
 94 | 				// Set the state to "reading the message body" mode, as we now have the length.
 95 | 				state.length = Some(length);
 96 | 				state.bytes_read = 0;
 97 | 				state.buf.resize(length as usize, 0);
 98 | 			}
 99 | 			Ok(())
100 | 		}
101 | 	}
102 | }
103 | 
104 | pub fn create_privileged_socket(
105 | 	sockets: &mut Vec<UnixStream>,
106 | 	env_vars: &[(String, String)],
107 | ) -> Result<(Vec<(String, String)>, OwnedFd)> {
108 | 	// Create a new pair of unnamed Unix sockets
109 | 	let (comp_socket, client_socket) =
110 | 		UnixStream::pair().wrap_err("failed to create socket pair")?;
111 | 	// Push one socket to the list of sockets we were passed
112 | 	sockets.push(comp_socket);
113 | 	// Turn the other socket into a non-blocking fd, which we can pass to the child
114 | 	// process
115 | 	let client_fd = {
116 | 		let std_stream = client_socket
117 | 			.into_std()
118 | 			.wrap_err("failed to convert client socket to std socket")?;
119 | 		std_stream
120 | 			.set_nonblocking(true)
121 | 			.wrap_err("failed to mark client socket as non-blocking")?;
122 | 		OwnedFd::from(std_stream)
123 | 	};
124 | 	let mut env_vars = env_vars.to_vec();
125 | 	env_vars.push(("WAYLAND_SOCKET".into(), client_fd.as_raw_fd().to_string()));
126 | 	Ok((env_vars, client_fd))
127 | }
128 | 
129 | async fn send_fd(session_tx: &mut OwnedWriteHalf, stream: Vec<UnixStream>) -> Result<()> {
130 | 	// Turn our list of Unix streams into non-blocking file descriptors.
131 | 	let fds = stream
132 | 		.into_iter()
133 | 		.map(|stream| {
134 | 			let std_stream = stream
135 | 				.into_std()
136 | 				.wrap_err("failed to convert stream to std stream")?;
137 | 			std_stream
138 | 				.set_nonblocking(false)
139 | 				.wrap_err("failed to set stream as blocking")?;
140 | 			Ok(OwnedFd::from(std_stream))
141 | 		})
142 | 		.collect::<Result<Vec<_>>>()
143 | 		.wrap_err("failed to convert streams to file descriptors")?;
144 | 	// Create a NewPrivilegedClient message, with a count of how many file
145 | 	// descriptors we are about to send.
146 | 	let json = serde_json::to_string(&Message::NewPrivilegedClient { count: fds.len() })
147 | 		.wrap_err("failed to encode json")?;
148 | 	// Send the length of our NewPrivilegedClient message.
149 | 	session_tx
150 | 		.write_all(&(json.len() as u16).to_le_bytes())
151 | 		.await
152 | 		.wrap_err("failed to write length")?;
153 | 	// Send our NewPrivilegedClient message, in JSON form.
154 | 	session_tx
155 | 		.write_all(json.as_bytes())
156 | 		.await
157 | 		.wrap_err("failed to write json")?;
158 | 	// Wait 100 us for the session to acknowledge our message.
159 | 	tokio::time::sleep(std::time::Duration::from_micros(100)).await;
160 | 	// Send our file descriptors.
161 | 	let fd: &UnixStream = session_tx.as_ref();
162 | 	info!("sending {} fds", fds.len());
163 | 
164 | 	fd.send_with_fd(
165 | 		&[0],
166 | 		&fds.into_iter()
167 | 			.map(|fd| fd.into_raw_fd())
168 | 			.collect::<Vec<_>>(),
169 | 	)
170 | 	.wrap_err("failed to send fd")?;
171 | 	Ok(())
172 | }
173 | 
174 | pub fn run_compositor(
175 | 	process_manager: &ProcessManager,
176 | 	exec: String,
177 | 	args: Vec<String>,
178 | 	_token: CancellationToken,
179 | 	mut socket_rx: mpsc::UnboundedReceiver<Vec<UnixStream>>,
180 | 	env_tx: oneshot::Sender<HashMap<String, String>>,
181 | 	session_dbus_tx: mpsc::Sender<SessionRequest>,
182 | ) -> Result<JoinHandle<Result<()>>> {
183 | 	let process_manager = process_manager.clone();
184 | 	// Create a pair of unix sockets - one for us (session),
185 | 	// one for the compositor (comp)
186 | 	let (session, comp) = UnixStream::pair().wrap_err("failed to create pair of unix sockets")?;
187 | 	let (mut session_rx, mut session_tx) = session.into_split();
188 | 	// Convert our compositor socket to a non-blocking file descriptor.
189 | 	let comp = {
190 | 		let std_stream = comp
191 | 			.into_std()
192 | 			.wrap_err("failed to convert compositor unix stream to a standard unix stream")?;
193 | 		std_stream
194 | 			.set_nonblocking(false)
195 | 			.wrap_err("failed to mark compositor unix stream as blocking")?;
196 | 		OwnedFd::from(std_stream)
197 | 	};
198 | 	mark_as_not_cloexec(&comp).expect("Failed to mark fd as not cloexec");
199 | 	Ok(tokio::spawn(async move {
200 | 		// Create a new process handler for cosmic-comp, with our compositor socket's
201 | 		// file descriptor as the `COSMIC_SESSION_SOCK` environment variable.
202 | 		process_manager
203 | 			.start_process(
204 | 				Process::new()
205 | 					.with_executable(exec)
206 | 					.with_args(args)
207 | 					.with_env([("COSMIC_SESSION_SOCK", comp.as_raw_fd().to_string())])
208 | 					.with_on_exit(move |pman, _, err_code, _will_restart| {
209 | 						let session_dbus_tx = session_dbus_tx.clone();
210 | 						async move {
211 | 							pman.stop();
212 | 							if err_code == Some(0) {
213 | 								info!("cosmic-comp exited successfully");
214 | 								session_dbus_tx.send(SessionRequest::Exit).await.unwrap();
215 | 							} else if let Some(err_code) = err_code {
216 | 								error!("cosmic-comp exited with error code {}", err_code);
217 | 								session_dbus_tx.send(SessionRequest::Restart).await.unwrap();
218 | 							} else {
219 | 								warn!("cosmic-comp exited by signal");
220 | 								session_dbus_tx.send(SessionRequest::Restart).await.unwrap();
221 | 							}
222 | 						}
223 | 					}),
224 | 			)
225 | 			.await
226 | 			.expect("failed to launch compositor");
227 | 		// Create a new state object for IPC purposes.
228 | 		let mut ipc_state = IpcState {
229 | 			env_tx: Some(env_tx),
230 | 			..IpcState::default()
231 | 		};
232 | 		loop {
233 | 			tokio::select! {
234 | 				/*
235 | 				exit = receive_event(&mut rx) => if exit.is_none() {
236 | 					break;
237 | 				},
238 | 				*/
239 | 				// Receive IPC messages from the process,
240 | 				// exiting the loop if IPC errors.
241 | 				result = receive_ipc(&mut ipc_state, &mut session_rx) => if let Err(err) = result {
242 | 					error!("failed to receive IPC: {:?}", err);
243 | 					break;
244 | 				},
245 | 				// Send any file descriptors we need to the compositor.
246 | 				Some(socket) = socket_rx.recv() => {
247 | 					send_fd(&mut session_tx, socket)
248 | 						.await
249 | 						.wrap_err("failed to send file descriptor to compositor")?;
250 | 				}
251 | 			}
252 | 		}
253 | 		Result::<()>::Ok(())
254 | 	}))
255 | }
256 | 


--------------------------------------------------------------------------------
/src/main.rs:
--------------------------------------------------------------------------------
  1 | // SPDX-License-Identifier: GPL-3.0-only
  2 | #[macro_use]
  3 | extern crate tracing;
  4 | 
  5 | mod a11y;
  6 | mod comp;
  7 | mod notifications;
  8 | mod process;
  9 | mod service;
 10 | mod systemd;
 11 | 
 12 | use async_signals::Signals;
 13 | use color_eyre::{eyre::WrapErr, Result};
 14 | use comp::create_privileged_socket;
 15 | use cosmic_notifications_util::{DAEMON_NOTIFICATIONS_FD, PANEL_NOTIFICATIONS_FD};
 16 | use futures_util::StreamExt;
 17 | #[cfg(feature = "autostart")]
 18 | use itertools::Itertools;
 19 | use launch_pad::{process::Process, ProcessManager};
 20 | use service::SessionRequest;
 21 | #[cfg(feature = "autostart")]
 22 | use std::collections::HashSet;
 23 | #[cfg(feature = "autostart")]
 24 | use std::path::PathBuf;
 25 | #[cfg(feature = "autostart")]
 26 | use std::process::{Command, Stdio};
 27 | use std::{
 28 | 	borrow::Cow,
 29 | 	env,
 30 | 	os::fd::{AsRawFd, OwnedFd},
 31 | 	sync::Arc,
 32 | };
 33 | #[cfg(feature = "systemd")]
 34 | use systemd::{get_systemd_env, is_systemd_used, spawn_scope};
 35 | use tokio::{
 36 | 	net::UnixStream,
 37 | 	sync::{
 38 | 		mpsc::{self, Receiver, Sender},
 39 | 		oneshot, Mutex,
 40 | 	},
 41 | 	time::Duration,
 42 | };
 43 | use tokio_util::sync::CancellationToken;
 44 | use tracing::{metadata::LevelFilter, Instrument};
 45 | use tracing_subscriber::{fmt, prelude::*, EnvFilter};
 46 | use zbus::ConnectionBuilder;
 47 | 
 48 | use crate::notifications::notifications_process;
 49 | const XDP_COSMIC: Option<&'static str> = option_env!("XDP_COSMIC");
 50 | #[cfg(feature = "autostart")]
 51 | const AUTOSTART_DIR: &'static str = "autostart";
 52 | #[cfg(feature = "autostart")]
 53 | const ENVIRONMENT_NAME: &'static str = "COSMIC";
 54 | 
 55 | #[tokio::main(flavor = "current_thread")]
 56 | async fn main() -> Result<()> {
 57 | 	color_eyre::install().wrap_err("failed to install color_eyre error handler")?;
 58 | 
 59 | 	let trace = tracing_subscriber::registry();
 60 | 	let env_filter = EnvFilter::builder()
 61 | 		.with_default_directive(LevelFilter::INFO.into())
 62 | 		.from_env_lossy();
 63 | 
 64 | 	#[cfg(feature = "systemd")]
 65 | 	if let Ok(journald) = tracing_journald::layer() {
 66 | 		trace
 67 | 			.with(journald)
 68 | 			.with(fmt::layer())
 69 | 			.with(env_filter)
 70 | 			.try_init()
 71 | 			.wrap_err("failed to initialize logger")?;
 72 | 	} else {
 73 | 		trace
 74 | 			.with(fmt::layer())
 75 | 			.with(env_filter)
 76 | 			.try_init()
 77 | 			.wrap_err("failed to initialize logger")?;
 78 | 		warn!("failed to connect to journald")
 79 | 	}
 80 | 
 81 | 	#[cfg(not(feature = "systemd"))]
 82 | 	trace
 83 | 		.with(fmt::layer())
 84 | 		.with(env_filter)
 85 | 		.try_init()
 86 | 		.wrap_err("failed to initialize logger")?;
 87 | 
 88 | 	log_panics::init();
 89 | 
 90 | 	let (session_tx, mut session_rx) = tokio::sync::mpsc::channel(10);
 91 | 	let session_tx_clone = session_tx.clone();
 92 | 	let _conn = ConnectionBuilder::session()?
 93 | 		.name("com.system76.CosmicSession")?
 94 | 		.serve_at(
 95 | 			"/com/system76/CosmicSession",
 96 | 			service::SessionService { session_tx },
 97 | 		)?
 98 | 		.build()
 99 | 		.await?;
100 | 
101 | 	loop {
102 | 		match start(session_tx_clone.clone(), &mut session_rx).await {
103 | 			Ok(Status::Exited) => {
104 | 				info!("Exited cleanly");
105 | 				break;
106 | 			}
107 | 			Ok(Status::Restarted) => {
108 | 				info!("Restarting");
109 | 			}
110 | 			Err(error) => {
111 | 				error!("Restarting after error: {:?}", error);
112 | 			}
113 | 		};
114 | 		// Drain the session channel.
115 | 		while session_rx.try_recv().is_ok() {}
116 | 	}
117 | 	Ok(())
118 | }
119 | 
120 | #[derive(Debug)]
121 | pub enum Status {
122 | 	Restarted,
123 | 	Exited,
124 | }
125 | 
126 | async fn start(
127 | 	session_tx: Sender<SessionRequest>,
128 | 	session_rx: &mut Receiver<SessionRequest>,
129 | ) -> Result<Status> {
130 | 	info!("Starting cosmic-session");
131 | 
132 | 	let mut args = env::args().skip(1);
133 | 	let (executable, args) = (
134 | 		args.next().unwrap_or_else(|| String::from("cosmic-comp")),
135 | 		args.collect::<Vec<_>>(),
136 | 	);
137 | 
138 | 	let process_manager = ProcessManager::new().await;
139 | 	_ = process_manager.set_max_restarts(usize::MAX).await;
140 | 	_ = process_manager
141 | 		.set_restart_mode(launch_pad::RestartMode::ExponentialBackoff(
142 | 			Duration::from_millis(10),
143 | 		))
144 | 		.await;
145 | 	let token = CancellationToken::new();
146 | 	let (socket_tx, socket_rx) = mpsc::unbounded_channel();
147 | 	let (env_tx, env_rx) = oneshot::channel();
148 | 	let compositor_handle = comp::run_compositor(
149 | 		&process_manager,
150 | 		executable.clone(),
151 | 		args,
152 | 		token.child_token(),
153 | 		socket_rx,
154 | 		env_tx,
155 | 		session_tx,
156 | 	)
157 | 	.wrap_err("failed to start compositor")?;
158 | 
159 | 	let mut env_vars = env_rx
160 | 		.await
161 | 		.expect("failed to receive environmental variables")
162 | 		.into_iter()
163 | 		.collect::<Vec<_>>();
164 | 	info!(
165 | 		"got environmental variables from cosmic-comp: {:?}",
166 | 		env_vars
167 | 	);
168 | 
169 | 	// now that cosmic-comp is ready, set XDG_SESSION_TYPE=wayland for new processes
170 | 	std::env::set_var("XDG_SESSION_TYPE", "wayland");
171 | 	env_vars.push(("XDG_SESSION_TYPE".to_string(), "wayland".to_string()));
172 | 	systemd::set_systemd_environment("XDG_SESSION_TYPE", "wayland").await;
173 | 
174 | 	#[cfg(feature = "systemd")]
175 | 	if *is_systemd_used() {
176 | 		match get_systemd_env().await {
177 | 			Ok(env) => {
178 | 				for systemd_env in env {
179 | 					// Only update the envvar if unset
180 | 					if std::env::var_os(&systemd_env.key) == None {
181 | 						// Blacklist of envvars that we shouldn't touch (taken from KDE)
182 | 						if (!systemd_env.key.starts_with("XDG_")
183 | 							|| systemd_env.key == "XDG_DATA_DIRS"
184 | 							|| systemd_env.key == "XDG_CONFIG_DIRS")
185 | 							&& systemd_env.key != "DISPLAY"
186 | 							&& systemd_env.key != "XAUTHORITY"
187 | 							&& systemd_env.key != "WAYLAND_DISPLAY"
188 | 							&& systemd_env.key != "WAYLAND_SOCKET"
189 | 							&& systemd_env.key != "_"
190 | 							&& systemd_env.key != "SHELL"
191 | 							&& systemd_env.key != "SHLVL"
192 | 						{
193 | 							std::env::set_var(systemd_env.key, systemd_env.value);
194 | 						}
195 | 					}
196 | 				}
197 | 			}
198 | 			Err(err) => {
199 | 				warn!("Failed to sync systemd environment {}.", err);
200 | 			}
201 | 		}
202 | 	}
203 | 
204 | 	let stdout_span = info_span!(parent: None, "cosmic-settings-daemon");
205 | 	let stderr_span = stdout_span.clone();
206 | 	let (settings_exit_tx, settings_exit_rx) = oneshot::channel();
207 | 	let settings_exit_tx = Arc::new(std::sync::Mutex::new(Some(settings_exit_tx)));
208 | 	let settings_daemon = process_manager
209 | 		.start(
210 | 			Process::new()
211 | 				.with_executable("cosmic-settings-daemon")
212 | 				.with_on_stdout(move |_, _, line| {
213 | 					let stdout_span = stdout_span.clone();
214 | 					async move {
215 | 						info!("{}", line);
216 | 					}
217 | 					.instrument(stdout_span)
218 | 				})
219 | 				.with_on_stderr(move |_, _, line| {
220 | 					let stderr_span = stderr_span.clone();
221 | 					async move {
222 | 						warn!("{}", line);
223 | 					}
224 | 					.instrument(stderr_span)
225 | 				})
226 | 				.with_on_exit(move |_, _, _, will_restart| {
227 | 					if !will_restart {
228 | 						if let Some(tx) = settings_exit_tx.lock().unwrap().take() {
229 | 							_ = tx.send(());
230 | 						}
231 | 					}
232 | 					async {}
233 | 				}),
234 | 		)
235 | 		.await
236 | 		.expect("failed to start settings daemon");
237 | 
238 | 	// notifying the user service manager that we've reached the
239 | 	// graphical-session.target, which should only happen after:
240 | 	// - cosmic-comp is ready
241 | 	// - we've set any related variables
242 | 	// - cosmic-settings-daemon is ready
243 | 	systemd::start_systemd_target().await;
244 | 	// Always stop the target when the process exits or panics.
245 | 	scopeguard::defer! {
246 | 		systemd::stop_systemd_target();
247 | 	}
248 | 
249 | 	// start a11y if configured
250 | 	tokio::spawn(a11y::start_a11y(env_vars.clone(), process_manager.clone()));
251 | 
252 | 	let (panel_notifications_fd, daemon_notifications_fd) =
253 | 		notifications::create_socket().expect("Failed to create notification socket");
254 | 
255 | 	let mut daemon_env_vars = env_vars.clone();
256 | 	daemon_env_vars.push((
257 | 		DAEMON_NOTIFICATIONS_FD.to_string(),
258 | 		daemon_notifications_fd.as_raw_fd().to_string(),
259 | 	));
260 | 	let mut panel_env_vars = env_vars.clone();
261 | 	panel_env_vars.push((
262 | 		PANEL_NOTIFICATIONS_FD.to_string(),
263 | 		panel_notifications_fd.as_raw_fd().to_string(),
264 | 	));
265 | 
266 | 	let panel_key = Arc::new(Mutex::new(None));
267 | 	let notif_key = Arc::new(Mutex::new(None));
268 | 
269 | 	let notifications_span = info_span!(parent: None, "cosmic-notifications");
270 | 	let panel_span = info_span!(parent: None, "cosmic-panel");
271 | 
272 | 	let mut guard = notif_key.lock().await;
273 | 	*guard = Some(
274 | 		process_manager
275 | 			.start(notifications_process(
276 | 				notifications_span.clone(),
277 | 				"cosmic-notifications",
278 | 				notif_key.clone(),
279 | 				daemon_env_vars.clone(),
280 | 				daemon_notifications_fd,
281 | 				panel_span.clone(),
282 | 				"cosmic-panel",
283 | 				panel_key.clone(),
284 | 				panel_env_vars.clone(),
285 | 				socket_tx.clone(),
286 | 			))
287 | 			.await
288 | 			.expect("failed to start notifications daemon"),
289 | 	);
290 | 	drop(guard);
291 | 
292 | 	let mut guard = panel_key.lock().await;
293 | 	*guard = Some(
294 | 		process_manager
295 | 			.start(notifications_process(
296 | 				panel_span,
297 | 				"cosmic-panel",
298 | 				panel_key.clone(),
299 | 				panel_env_vars,
300 | 				panel_notifications_fd,
301 | 				notifications_span,
302 | 				"cosmic-notifications",
303 | 				notif_key,
304 | 				daemon_env_vars,
305 | 				socket_tx.clone(),
306 | 			))
307 | 			.await
308 | 			.expect("failed to start panel"),
309 | 	);
310 | 	drop(guard);
311 | 
312 | 	let span = info_span!(parent: None, "cosmic-app-library");
313 | 	start_component(
314 | 		"cosmic-app-library",
315 | 		span,
316 | 		&process_manager,
317 | 		&env_vars,
318 | 		&socket_tx,
319 | 		Vec::new(),
320 | 	)
321 | 	.await;
322 | 
323 | 	let span = info_span!(parent: None, "cosmic-launcher");
324 | 	start_component(
325 | 		"cosmic-launcher",
326 | 		span,
327 | 		&process_manager,
328 | 		&env_vars,
329 | 		&socket_tx,
330 | 		Vec::new(),
331 | 	)
332 | 	.await;
333 | 
334 | 	let span = info_span!(parent: None, "cosmic-workspaces");
335 | 	start_component(
336 | 		"cosmic-workspaces",
337 | 		span,
338 | 		&process_manager,
339 | 		&env_vars,
340 | 		&socket_tx,
341 | 		Vec::new(),
342 | 	)
343 | 	.await;
344 | 
345 | 	let span = info_span!(parent: None, "cosmic-osd");
346 | 	start_component(
347 | 		"cosmic-osd",
348 | 		span,
349 | 		&process_manager,
350 | 		&env_vars,
351 | 		&socket_tx,
352 | 		Vec::new(),
353 | 	)
354 | 	.await;
355 | 
356 | 	let span = info_span!(parent: None, "cosmic-bg");
357 | 	start_component(
358 | 		"cosmic-bg",
359 | 		span,
360 | 		&process_manager,
361 | 		&env_vars,
362 | 		&socket_tx,
363 | 		Vec::new(),
364 | 	)
365 | 	.await;
366 | 
367 | 	let span = info_span!(parent: None, "cosmic-greeter");
368 | 	start_component(
369 | 		"cosmic-greeter",
370 | 		span,
371 | 		&process_manager,
372 | 		&env_vars,
373 | 		&socket_tx,
374 | 		Vec::new(),
375 | 	)
376 | 	.await;
377 | 
378 | 	let span = info_span!(parent: None, "cosmic-files-applet");
379 | 	start_component(
380 | 		"cosmic-files-applet",
381 | 		span,
382 | 		&process_manager,
383 | 		&env_vars,
384 | 		&socket_tx,
385 | 		Vec::new(),
386 | 	)
387 | 	.await;
388 | 
389 | 	let span = info_span!(parent: None, "cosmic-idle");
390 | 	start_component(
391 | 		"cosmic-idle",
392 | 		span,
393 | 		&process_manager,
394 | 		&env_vars,
395 | 		&socket_tx,
396 | 		Vec::new(),
397 | 	)
398 | 	.await;
399 | 
400 | 	if env::var("XDG_CURRENT_DESKTOP").as_deref() == Ok("COSMIC") {
401 | 		let span = info_span!(parent: None, "xdg-desktop-portal-cosmic");
402 | 		let mut sockets = Vec::with_capacity(1);
403 | 		let extra_env = Vec::with_capacity(1);
404 | 		let portal_extras =
405 | 			if let Ok((mut env, fd)) = create_privileged_socket(&mut sockets, &extra_env) {
406 | 				let mut env = env.remove(0);
407 | 				env.0 = "PORTAL_WAYLAND_SOCKET".to_string();
408 | 				vec![(fd, env, sockets.remove(0))]
409 | 			} else {
410 | 				Vec::new()
411 | 			};
412 | 		start_component(
413 | 			XDP_COSMIC.unwrap_or("/usr/libexec/xdg-desktop-portal-cosmic"),
414 | 			span,
415 | 			&process_manager,
416 | 			&env_vars,
417 | 			&socket_tx,
418 | 			portal_extras,
419 | 		)
420 | 		.await;
421 | 	}
422 | 
423 | 	#[cfg(feature = "autostart")]
424 | 	if !*is_systemd_used() {
425 | 		info!("looking for autostart folders");
426 | 		let mut directories_to_scan = Vec::new();
427 | 
428 | 		// we start by taking user specific directories, so that we can deduplicate and ensure
429 | 		// user overrides are respected
430 | 
431 | 		// user specific directories
432 | 		if let Some(user_config_dir) = dirs::config_dir() {
433 | 			directories_to_scan.push(user_config_dir.join(AUTOSTART_DIR));
434 | 		}
435 | 
436 | 		// system-wide directories
437 | 		if let Some(xdg_config_dirs) = env::var_os("XDG_CONFIG_DIRS") {
438 | 			let xdg_config_dirs = xdg_config_dirs
439 | 				.into_string()
440 | 				.expect("Invalid XDG_CONFIG_DIRS");
441 | 			let dir_list = xdg_config_dirs.split(":");
442 | 
443 | 			for dir in dir_list {
444 | 				directories_to_scan.push(PathBuf::from(dir).join(AUTOSTART_DIR));
445 | 			}
446 | 		} else {
447 | 			directories_to_scan.push(PathBuf::from("/etc/xdg/").join(AUTOSTART_DIR));
448 | 		}
449 | 
450 | 		info!("found autostart folders: {:?}", directories_to_scan);
451 | 
452 | 		let mut dedupe = HashSet::new();
453 | 
454 | 		let iter = freedesktop_desktop_entry::Iter::new(directories_to_scan.into_iter());
455 | 		let autostart_env = env_vars.clone();
456 | 		for entry in iter.entries::<&str>(None) {
457 | 			// we've already tried to execute this!
458 | 			if dedupe.contains(&entry.appid) {
459 | 				continue;
460 | 			}
461 | 
462 | 			// skip if we have an OnlyShowIn entry that doesn't include COSMIC
463 | 			if let Some(only_show_in) = entry.only_show_in() {
464 | 				if !only_show_in.contains(&ENVIRONMENT_NAME) {
465 | 					continue;
466 | 				}
467 | 			}
468 | 
469 | 			// ... OR we have a NotShowIn entry that includes COSMIC
470 | 			if let Some(not_show_in) = entry.not_show_in() {
471 | 				if not_show_in.contains(&ENVIRONMENT_NAME) {
472 | 					continue;
473 | 				}
474 | 			}
475 | 
476 | 			info!(
477 | 				"trying to start appid {} ({})",
478 | 				entry.appid,
479 | 				entry.path.display()
480 | 			);
481 | 
482 | 			if let Some(exec_raw) = entry.exec() {
483 | 				let mut exec_words = exec_raw.split(" ");
484 | 
485 | 				if let Some(program_name) = exec_words.next() {
486 | 					// filter out any placeholder args, since we might not be able to deal with them
487 | 					let filtered_args = exec_words.filter(|s| !s.starts_with("%")).collect_vec();
488 | 
489 | 					// escape them
490 | 					let escaped_args = shell_words::split(&*filtered_args.join(" "));
491 | 					if let Ok(args) = escaped_args {
492 | 						info!("trying to start {} {}", program_name, args.join(" "));
493 | 
494 | 						let mut command = Command::new(program_name);
495 | 						command.args(args);
496 | 
497 | 						// add relevant envs
498 | 						for (k, v) in &autostart_env {
499 | 							command.env(k, v);
500 | 						}
501 | 
502 | 						// detach stdin/out/err (should we?)
503 | 						let child = command
504 | 							.stdin(Stdio::null())
505 | 							.stdout(Stdio::null())
506 | 							.stderr(Stdio::null())
507 | 							.spawn();
508 | 
509 | 						if let Ok(child) = child {
510 | 							info!(
511 | 								"successfully started program {} {}",
512 | 								entry.appid,
513 | 								child.id()
514 | 							);
515 | 							dedupe.insert(entry.appid);
516 | 						} else {
517 | 							info!("could not start program {}", entry.appid);
518 | 						}
519 | 					} else {
520 | 						let why = escaped_args.unwrap_err();
521 | 						error!(?why, "could not parse arguments");
522 | 					}
523 | 				}
524 | 			}
525 | 		}
526 | 		info!("started {} programs", dedupe.len());
527 | 	}
528 | 
529 | 	let mut signals = Signals::new(vec![libc::SIGTERM, libc::SIGINT]).unwrap();
530 | 	let mut status = Status::Exited;
531 | 	let session_dbus_rx_next = session_rx.recv();
532 | 	tokio::select! {
533 | 		res = session_dbus_rx_next => {
534 | 			match res {
535 | 				Some(service::SessionRequest::Exit) => {
536 | 					info!("EXITING: session exited by request");
537 | 				}
538 | 				Some(service::SessionRequest::Restart) => {
539 | 					info!("RESTARTING: session restarted by request");
540 | 					status = Status::Restarted;
541 | 				}
542 | 				None => {
543 | 					warn!("exit channel dropped session");
544 | 				}
545 | 			}
546 | 		},
547 | 		signal = signals.next() => match signal {
548 | 			Some(libc::SIGTERM | libc::SIGINT) => {
549 | 				info!("EXITING: received request to terminate");
550 | 			}
551 | 			Some(signal) => unreachable!("EXITING: received unhandled signal {}", signal),
552 | 			None => {},
553 | 		}
554 | 	}
555 | 
556 | 	compositor_handle.abort();
557 | 	token.cancel();
558 | 	if let Err(err) = process_manager.stop_process(settings_daemon).await {
559 | 		tracing::error!(?err, "Failed to gracefully stop settings daemon.");
560 | 	} else {
561 | 		match tokio::time::timeout(Duration::from_secs(1), settings_exit_rx).await {
562 | 			Ok(Ok(_)) => {}
563 | 			_ => {
564 | 				tracing::error!("Settings daemon process did not respond to the request to stop.");
565 | 			}
566 | 		};
567 | 	};
568 | 
569 | 	tokio::time::sleep(std::time::Duration::from_secs(2)).await;
570 | 	Ok(status)
571 | }
572 | 
573 | async fn start_component(
574 | 	cmd: impl Into<Cow<'static, str>>,
575 | 	span: tracing::Span,
576 | 	process_manager: &ProcessManager,
577 | 	env_vars: &[(String, String)],
578 | 	socket_tx: &mpsc::UnboundedSender<Vec<UnixStream>>,
579 | 	extra_fds: Vec<(OwnedFd, (String, String), UnixStream)>,
580 | ) {
581 | 	let mut sockets = Vec::with_capacity(2);
582 | 	let (mut env_vars, fd) = create_privileged_socket(&mut sockets, &env_vars).unwrap();
583 | 
584 | 	let socket_tx_clone = socket_tx.clone();
585 | 	let stdout_span = span.clone();
586 | 	let stderr_span = span.clone();
587 | 	let stderr_span_clone = stderr_span.clone();
588 | 	let cmd = cmd.into();
589 | 	let cmd_clone = cmd.clone();
590 | 
591 | 	let (mut fds, extra_fd_env, mut streams): (Vec<_>, Vec<_>, Vec<_>) =
592 | 		itertools::multiunzip(extra_fds);
593 | 	for kv in &extra_fd_env {
594 | 		env_vars.push(kv.clone());
595 | 	}
596 | 
597 | 	sockets.append(&mut streams);
598 | 	if let Err(why) = socket_tx.send(sockets) {
599 | 		error!(?why, "Failed to send the privileged socket");
600 | 	}
601 | 	let (extra_fd_env, _): (Vec<_>, Vec<_>) = extra_fd_env.into_iter().unzip();
602 | 	fds.push(fd);
603 | 	if let Err(err) = process_manager
604 | 		.start(
605 | 			Process::new()
606 | 				.with_executable(cmd.clone())
607 | 				.with_env(env_vars.iter().cloned())
608 | 				.with_on_stdout(move |_, _, line| {
609 | 					let stdout_span = stdout_span.clone();
610 | 					async move {
611 | 						info!("{}", line);
612 | 					}
613 | 					.instrument(stdout_span)
614 | 				})
615 | 				.with_on_stderr(move |_, _, line| {
616 | 					let stderr_span = stderr_span.clone();
617 | 					async move {
618 | 						warn!("{}", line);
619 | 					}
620 | 					.instrument(stderr_span)
621 | 				})
622 | 				.with_on_start(move |pman, pkey, _will_restart| async move {
623 | 					#[cfg(feature = "systemd")]
624 | 					if *is_systemd_used() {
625 | 						if let Ok((innr_cmd, Some(pid))) = pman.get_exe_and_pid(pkey).await {
626 | 							if let Err(err) = spawn_scope(innr_cmd.clone(), vec![pid]).await {
627 | 								warn!(
628 | 									"Failed to spawn scope for {}. Creating transient unit failed \
629 | 									 with {}",
630 | 									innr_cmd, err
631 | 								);
632 | 							};
633 | 						}
634 | 					}
635 | 				})
636 | 				.with_on_exit(move |mut pman, key, err_code, will_restart| {
637 | 					if let Some(err) = err_code {
638 | 						error!("{cmd_clone} exited with error {}", err.to_string());
639 | 					}
640 | 					let extra_fd_env = extra_fd_env.clone();
641 | 					let socket_tx_clone = socket_tx_clone.clone();
642 | 					async move {
643 | 						if !will_restart {
644 | 							return;
645 | 						}
646 | 
647 | 						let mut sockets = Vec::with_capacity(1 + extra_fd_env.len());
648 | 						let mut fds = Vec::with_capacity(1 + extra_fd_env.len());
649 | 						let (mut env_vars, fd) =
650 | 							create_privileged_socket(&mut sockets, &[]).unwrap();
651 | 						fds.push(fd);
652 | 						for k in extra_fd_env {
653 | 							let (mut fd_env_vars, fd) =
654 | 								create_privileged_socket(&mut sockets, &[]).unwrap();
655 | 							fd_env_vars.last_mut().unwrap().0 = k;
656 | 							env_vars.append(&mut fd_env_vars);
657 | 							fds.push(fd)
658 | 						}
659 | 
660 | 						if let Err(why) = socket_tx_clone.send(sockets) {
661 | 							error!(?why, "Failed to send the privileged socket");
662 | 						}
663 | 						if let Err(why) = pman.update_process_env(&key, env_vars).await {
664 | 							error!(?why, "Failed to update environment variables");
665 | 						}
666 | 						if let Err(why) = pman.update_process_fds(&key, move || fds).await {
667 | 							error!(?why, "Failed to update fds");
668 | 						}
669 | 					}
670 | 				})
671 | 				.with_fds(move || fds),
672 | 		)
673 | 		.await
674 | 	{
675 | 		let _enter = stderr_span_clone.enter();
676 | 		error!("failed to start {}: {}", cmd, err);
677 | 	}
678 | }
679 | 


--------------------------------------------------------------------------------
/src/notifications.rs:
--------------------------------------------------------------------------------
  1 | use color_eyre::{eyre::Context, Result};
  2 | use cosmic_notifications_util::{DAEMON_NOTIFICATIONS_FD, PANEL_NOTIFICATIONS_FD};
  3 | use launch_pad::{process::Process, ProcessKey};
  4 | use rustix::fd::AsRawFd;
  5 | use std::{
  6 | 	os::{fd::OwnedFd, unix::net::UnixStream},
  7 | 	sync::Arc,
  8 | };
  9 | use tokio::sync::{mpsc, Mutex};
 10 | use tracing::Instrument;
 11 | 
 12 | use crate::comp::create_privileged_socket;
 13 | 
 14 | pub fn create_socket() -> Result<(OwnedFd, OwnedFd)> {
 15 | 	// Create a new pair of unnamed Unix sockets
 16 | 	let (sock_1, sock_2) = UnixStream::pair().wrap_err("failed to create socket pair")?;
 17 | 
 18 | 	// Turn the sockets into non-blocking fd, which we can pass to the child
 19 | 	// process
 20 | 	sock_1
 21 | 		.set_nonblocking(true)
 22 | 		.wrap_err("failed to mark client socket as non-blocking")?;
 23 | 
 24 | 	sock_2
 25 | 		.set_nonblocking(true)
 26 | 		.wrap_err("failed to mark client socket as non-blocking")?;
 27 | 
 28 | 	Ok((OwnedFd::from(sock_1), OwnedFd::from(sock_2)))
 29 | }
 30 | 
 31 | pub fn notifications_process(
 32 | 	span: tracing::Span,
 33 | 	cmd: &'static str,
 34 | 	key: Arc<Mutex<Option<ProcessKey>>>,
 35 | 	mut env_vars: Vec<(String, String)>,
 36 | 	fd: OwnedFd,
 37 | 	restart_span: tracing::Span,
 38 | 	restart_cmd: &'static str,
 39 | 	restart_key: Arc<Mutex<Option<ProcessKey>>>,
 40 | 	restart_env_vars: Vec<(String, String)>,
 41 | 	socket_tx: mpsc::UnboundedSender<Vec<tokio::net::UnixStream>>,
 42 | ) -> Process {
 43 | 	env_vars.retain(|v| &v.0 != "WAYLAND_SOCKET");
 44 | 
 45 | 	let stdout_span = span.clone();
 46 | 	let stderr_span = span.clone();
 47 | 	let mut sockets = Vec::with_capacity(1);
 48 | 	let (env_vars, privileged_fd) = create_privileged_socket(&mut sockets, &env_vars).unwrap();
 49 | 	_ = socket_tx.send(sockets);
 50 | 	let env_clone = env_vars.clone();
 51 | 	let socket_tx_clone = socket_tx.clone();
 52 | 	Process::new()
 53 | 		.with_executable(cmd)
 54 | 		.with_fds(move || vec![privileged_fd, fd])
 55 | 		.with_on_stdout(move |_, _, line| {
 56 | 			let stdout_span = stdout_span.clone();
 57 | 			async move {
 58 | 				info!("{}", line);
 59 | 			}
 60 | 			.instrument(stdout_span)
 61 | 		})
 62 | 		.with_on_stderr(move |_, _, line| {
 63 | 			let stderr_span = stderr_span.clone();
 64 | 			async move {
 65 | 				warn!("{}", line);
 66 | 			}
 67 | 			.instrument(stderr_span)
 68 | 		})
 69 | 		.with_on_exit(move |pman, my_key, _, will_restart| {
 70 | 			// force restart of notifications / panel when the other exits
 71 | 			// also update the environment variables to use the new socket
 72 | 			let (my_fd, their_fd) = create_socket().expect("Failed to create notification socket");
 73 | 			let mut my_env_vars = env_clone.clone();
 74 | 			if let Some((_k, v)) = my_env_vars
 75 | 				.iter_mut()
 76 | 				.find(|(k, _v)| k == PANEL_NOTIFICATIONS_FD || k == DAEMON_NOTIFICATIONS_FD)
 77 | 			{
 78 | 				*v = my_fd.as_raw_fd().to_string();
 79 | 			}
 80 | 
 81 | 			let mut their_env_vars = restart_env_vars.clone();
 82 | 			if let Some((_k, v)) = their_env_vars
 83 | 				.iter_mut()
 84 | 				.find(|(k, _v)| k == PANEL_NOTIFICATIONS_FD || k == DAEMON_NOTIFICATIONS_FD)
 85 | 			{
 86 | 				*v = their_fd.as_raw_fd().to_string();
 87 | 			}
 88 | 
 89 | 			let new_process = notifications_process(
 90 | 				restart_span.clone(),
 91 | 				restart_cmd,
 92 | 				restart_key.clone(),
 93 | 				their_env_vars.clone(),
 94 | 				their_fd,
 95 | 				span.clone(),
 96 | 				cmd,
 97 | 				key.clone(),
 98 | 				my_env_vars.clone(),
 99 | 				socket_tx_clone.clone(),
100 | 			);
101 | 			let restart_key = restart_key.clone();
102 | 			let socket_tx_clone = socket_tx_clone.clone();
103 | 
104 | 			let mut pman_clone = pman.clone();
105 | 			async move {
106 | 				if will_restart {
107 | 					let mut sockets = Vec::with_capacity(1);
108 | 					let (env_vars, new_fd) =
109 | 						create_privileged_socket(&mut sockets, &my_env_vars).unwrap();
110 | 
111 | 					if let Err(why) = socket_tx_clone.send(sockets) {
112 | 						error!(?why, "Failed to send the privileged socket");
113 | 					}
114 | 					if let Err(why) = pman_clone.update_process_env(&my_key, env_vars).await {
115 | 						error!(?why, "Failed to update environment variables");
116 | 					}
117 | 					if let Err(why) = pman_clone
118 | 						.update_process_fds(&my_key, move || vec![new_fd, my_fd])
119 | 						.await
120 | 					{
121 | 						error!(?why, "Failed to update fds");
122 | 					}
123 | 
124 | 					let Some(old) = *restart_key.lock().await else {
125 | 						error!("Couldn't stop previous invocation of {}", cmd);
126 | 						return;
127 | 					};
128 | 					_ = pman.stop_process(old).await;
129 | 
130 | 					if let Ok(new) = pman.start(new_process).await {
131 | 						let mut guard = restart_key.lock().await;
132 | 						*guard = Some(new);
133 | 					}
134 | 				}
135 | 			}
136 | 		})
137 | 		.with_env(env_vars)
138 | }
139 | 


--------------------------------------------------------------------------------
/src/process.rs:
--------------------------------------------------------------------------------
 1 | // SPDX-License-Identifier: GPL-3.0-only
 2 | use color_eyre::eyre::{Result, WrapErr};
 3 | use rustix::io::FdFlags;
 4 | use std::os::unix::prelude::*;
 5 | 
 6 | pub(crate) fn mark_as_not_cloexec(file: &impl AsFd) -> Result<()> {
 7 | 	let flags = rustix::io::fcntl_getfd(file).wrap_err("failed to get GETFD value of stream")?;
 8 | 	rustix::io::fcntl_setfd(file, flags.difference(FdFlags::CLOEXEC))
 9 | 		.wrap_err("failed to unset CLOEXEC on file")
10 | }
11 | 


--------------------------------------------------------------------------------
/src/service.rs:
--------------------------------------------------------------------------------
 1 | // SPDX-License-Identifier: GPL-3.0-only
 2 | use tokio::sync::mpsc;
 3 | use zbus::interface;
 4 | 
 5 | pub enum SessionRequest {
 6 | 	Exit,
 7 | 	Restart,
 8 | }
 9 | 
10 | pub struct SessionService {
11 | 	pub session_tx: mpsc::Sender<SessionRequest>,
12 | }
13 | 
14 | #[interface(name = "com.system76.CosmicSession")]
15 | impl SessionService {
16 | 	async fn exit(&mut self) {
17 | 		warn!("exiting session");
18 | 		_ = self.session_tx.send(SessionRequest::Exit).await;
19 | 	}
20 | 
21 | 	async fn restart(&self) {
22 | 		warn!("restarting session");
23 | 		_ = self.session_tx.send(SessionRequest::Restart).await;
24 | 	}
25 | }
26 | 


--------------------------------------------------------------------------------
/src/systemd.rs:
--------------------------------------------------------------------------------
  1 | // SPDX-License-Identifier: GPL-3.0-only
  2 | 
  3 | use std::path::Path;
  4 | use std::process::{Command, Stdio};
  5 | use std::sync::OnceLock;
  6 | 
  7 | use zbus::zvariant::{Array, OwnedValue};
  8 | use zbus::Connection;
  9 | 
 10 | #[derive(Debug)]
 11 | pub struct EnvVar {
 12 | 	pub key: String,
 13 | 	pub value: String,
 14 | }
 15 | 
 16 | impl Into<EnvVar> for (&str, &str) {
 17 | 	fn into(self) -> EnvVar {
 18 | 		EnvVar {
 19 | 			key: self.0.to_owned(),
 20 | 			value: self.1.to_owned(),
 21 | 		}
 22 | 	}
 23 | }
 24 | 
 25 | #[cfg(feature = "systemd")]
 26 | use zbus_systemd::systemd1::ManagerProxy as SystemdManagerProxy;
 27 | 
 28 | pub async fn set_systemd_environment(key: &str, value: &str) {
 29 | 	run_optional_command(
 30 | 		"systemctl",
 31 | 		&["--user", "set-environment", &format!("{key}={value}")],
 32 | 	)
 33 | }
 34 | 
 35 | pub async fn start_systemd_target() {
 36 | 	run_optional_command(
 37 | 		"systemctl",
 38 | 		&["--user", "start", "--no-block", "cosmic-session.target"],
 39 | 	)
 40 | }
 41 | 
 42 | pub fn stop_systemd_target() {
 43 | 	run_optional_command(
 44 | 		"systemctl",
 45 | 		&["--user", "stop", "--no-block", "cosmic-session.target"],
 46 | 	)
 47 | }
 48 | 
 49 | ///Determine if systemd is used as the init system. This should work on all linux distributions.
 50 | pub fn is_systemd_used() -> &'static bool {
 51 | 	static IS_SYSTEMD_USED: OnceLock<bool> = OnceLock::new();
 52 | 	IS_SYSTEMD_USED.get_or_init(|| Path::new("/run/systemd/system").exists())
 53 | }
 54 | 
 55 | #[cfg(feature = "systemd")]
 56 | pub async fn get_systemd_env() -> Result<Vec<EnvVar>, zbus::Error> {
 57 | 	let connection = Connection::session().await?;
 58 | 	let systemd_manager = SystemdManagerProxy::new(&connection).await?;
 59 | 	let systemd_env = systemd_manager.environment().await?;
 60 | 
 61 | 	let mut out: Vec<EnvVar> = Vec::new();
 62 | 	for i in systemd_env {
 63 | 		if let Some(b) = i.split_once("=") {
 64 | 			out.push(b.into());
 65 | 		}
 66 | 	}
 67 | 	Ok(out)
 68 | }
 69 | 
 70 | #[cfg(feature = "systemd")]
 71 | ///Spawn a systemd scope unit with the given name and PIDs.
 72 | pub async fn spawn_scope(mut command: String, pids: Vec<u32>) -> Result<(), zbus::Error> {
 73 | 	let connection = Connection::session().await?;
 74 | 	let systemd_manager = SystemdManagerProxy::new(&connection).await?;
 75 | 	let pids = OwnedValue::try_from(Array::from(pids)).unwrap();
 76 | 	let properties: Vec<(String, OwnedValue)> = vec![(String::from("PIDs"), pids)];
 77 | 	if command.starts_with('/') {
 78 | 		// use the last component of the path as the unit name
 79 | 		command = command.rsplit('/').next().unwrap().to_string();
 80 | 	}
 81 | 	let scope_name = format!("{}.scope", command);
 82 | 	systemd_manager
 83 | 		.start_transient_unit(
 84 | 			scope_name.to_string(),
 85 | 			String::from("replace"),
 86 | 			properties,
 87 | 			Vec::new(),
 88 | 		)
 89 | 		.await?;
 90 | 	Ok(())
 91 | }
 92 | 
 93 | /// run a command, but log errors instead of returning them or panicking
 94 | fn run_optional_command(cmd: &str, args: &[&str]) {
 95 | 	match Command::new(cmd).args(args).stdin(Stdio::null()).status() {
 96 | 		Ok(status) => {
 97 | 			if !status.success() {
 98 | 				match status.code() {
 99 | 					Some(code) => warn!("{} {}: exit code {}", cmd, args.join(" "), code),
100 | 					None => warn!("{} {}: terminated by signal", cmd, args.join(" ")),
101 | 				}
102 | 			}
103 | 		}
104 | 		Err(error) => {
105 | 			warn!("unable to start {} {}: {}", cmd, args.join(" "), error);
106 | 		}
107 | 	}
108 | }
109 | 


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