fix corner case in `collapse_vars` & `reduce_vars` (#4748) - tracifyjs - Reverse engineer's tool for tracing the flow of data in JS program, based on UglifyJS

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author	Alex Lam S.L <alexlamsl@gmail.com>	2021-03-07 02:33:51 +0000
committer	GitHub <noreply@github.com>	2021-03-07 10:33:51 +0800
commit	397e48b97e18cf947c9c9eec0f66589cb92689a3 (patch)
tree	b7c4a68d9894fe410b9bcdb3b67222238732f5bf /.gitignore
parent	c7520b4b971c0afcfb66a9ffa215d0d8e4a6fabe (diff)
download	tracifyjs-397e48b97e18cf947c9c9eec0f66589cb92689a3.tar.gz tracifyjs-397e48b97e18cf947c9c9eec0f66589cb92689a3.zip

fix corner case in `collapse_vars` & `reduce_vars` (#4748)

fixes #4747

Diffstat (limited to '.gitignore')

0 files changed, 0 insertions, 0 deletions

(sanitize warn-share-field-deprecation) (default *unspecified*)) (user rsync-configuration-user ; string (default "root")) (group rsync-configuration-group ; string (default "root")) (uid rsync-configuration-uid ; string (default "rsyncd")) (gid rsync-configuration-gid ; string (default "rsyncd"))) ;; Rsync "module": a directory exported the rsync protocol. (define-record-type* <rsync-module> rsync-module make-rsync-module rsync-module? (name rsync-module-name) ;string (file-name rsync-module-file-name) ;string (comment rsync-module-comment ;string (default "")) (read-only? rsync-module-read-only? ;boolean (default #t)) (chroot? rsync-module-chroot? ;boolean (default #t)) (timeout rsync-module-timeout ;integer (default 300))) (define %default-modules ;; Default modules, provided for backward compatibility. (list (rsync-module (name "files") (file-name "/srv/rsyncd") (comment "Rsync share") (read-only? #f)))) ;yes, that was the default (define (rsync-configuration-modules config) (match-record config <rsync-configuration> (modules share-path share-comment use-chroot? read-only? timeout) ;deprecated (if (unspecified? share-path) (rsync-configuration-actual-modules config) (list (rsync-module ;backward compatibility (name "files") (file-name share-path) (comment "Rsync share") (chroot? (if (unspecified? use-chroot?) #t use-chroot?)) (read-only? (if (unspecified? read-only?) #f read-only?)) (timeout (if (unspecified? timeout) 300 timeout))))))) (define (rsync-account config) "Return the user accounts and user groups for CONFIG." (let ((rsync-user (if (rsync-configuration-uid config) (rsync-configuration-uid config) (rsync-configuration-user config))) (rsync-group (if (rsync-configuration-gid config) (rsync-configuration-gid config) (rsync-configuration-group config)))) (list (user-group (name rsync-group) (system? #t)) (user-account (name rsync-user) (system? #t) (group rsync-group) (comment "rsyncd privilege separation user") (home-directory (string-append "/var/run/" rsync-user)) (shell (file-append shadow "/sbin/nologin")))))) (define (rsync-activation config) "Return the activation GEXP for CONFIG." (with-imported-modules '((guix build utils)) #~(begin (let ((user (getpw (if #$(rsync-configuration-uid config) #$(rsync-configuration-uid config) #$(rsync-configuration-user config)))) (group (getpw (if #$(rsync-configuration-gid config) #$(rsync-configuration-gid config) #$(rsync-configuration-group config))))) (mkdir-p (dirname #$(rsync-configuration-pid-file config))) (for-each (lambda (directory) (mkdir-p directory) (chown directory (passwd:uid user) (group:gid group))) '#$(map rsync-module-file-name (rsync-configuration-modules config))))))) (define (rsync-config-file config) ;; Return the rsync configuration file corresponding to CONFIG. (define (module-config module) (match-record module <rsync-module> (name file-name comment chroot? read-only? timeout) (list "[" name "]\n" " path = " file-name "\n" " use chroot = " (if chroot? "true" "false") "\n" " comment = " comment "\n" " read only = " (if read-only? "true" "false") "\n" " timeout = " (number->string timeout) "\n"))) (define modules (rsync-configuration-modules config)) (match-record config <rsync-configuration> (package address port-number pid-file lock-file log-file user group uid gid) (unless (string=? user "root") (cond ((<= port-number 1024) (error (string-append "rsync-service: to run on port " (number->string port-number) ", user must be root."))) ((find rsync-module-chroot? modules) (error (string-append "rsync-service: to run in a chroot" ", user must be root."))) (uid (error "rsync-service: to use uid, user must be root.")) (gid (error "rsync-service: to use gid, user must be root.")))) (apply mixed-text-file "rsync.conf" "# Generated by 'rsync-service'.\n\n" "pid file = " pid-file "\n" "lock file = " lock-file "\n" "log file = " log-file "\n" (if address (string-append "address = " address "\n") "") "port = " (number->string port-number) "\n" (if uid (string-append "uid = " uid "\n") "") "gid = " (if gid gid "nogroup") "\n" ; no group nobody "\n\n" (append-map module-config modules)))) (define (rsync-shepherd-service config) "Return a <shepherd-service> for rsync with CONFIG." ;; XXX: Predicates copied from (gnu services ssh). (define inetd-style? #~(and (defined? 'make-inetd-constructor) (not (string=? (@ (shepherd config) Version) "0.9.0")))) (define ipv6-support? #~(catch 'system-error (lambda () (let ((sock (socket AF_INET6 SOCK_STREAM 0))) (close-port sock) #t)) (const #f))) (define (module->file-system-mapping module) "Return the <file-system-mapping> record corresponding to MODULE, an <rsync-module> object." (match-record module <rsync-module> (file-name read-only?) (file-system-mapping (source file-name) (target source) (writable? (not read-only?))))) (match-record config <rsync-configuration> (package log-file modules pid-file port-number user group) ;; Run the rsync daemon in its own 'mnt' namespace, to guard against ;; change to mount points it may be serving. (let* ((config-file (rsync-config-file config)) (rsync-command #~(list #$(least-authority-wrapper (file-append rsync "/bin/rsync") #:name "rsync" #:namespaces (fold delq %namespaces '(net user)) #:mappings (append (list (file-system-mapping (source "/var/run/rsyncd") (target source) (writable? #t)) (file-system-mapping (source (dirname log-file)) (target source) (writable? #t)) (file-system-mapping (source config-file) (target source))) (map module->file-system-mapping modules))) "--config" #$config-file "--daemon"))) (list (shepherd-service (provision '(rsync)) (documentation "Run rsync daemon.") (actions (list (shepherd-configuration-action config-file))) (start #~(if #$inetd-style? (make-inetd-constructor #$rsync-command (cons (endpoint (make-socket-address AF_INET INADDR_ANY #$port-number)) (if #$ipv6-support? (list (endpoint (make-socket-address AF_INET6 IN6ADDR_ANY #$port-number))) '())) #:service-name-stem "rsync" #:user #$user #:group #$group) (make-forkexec-constructor #$rsync-command #:pid-file #$pid-file #:user #$user #:group #$group))) (stop #~(if #$inetd-style? (make-inetd-destructor) (make-kill-destructor)))))))) (define rsync-service-type (service-type (name 'rsync) (extensions (list (service-extension shepherd-root-service-type rsync-shepherd-service) (service-extension account-service-type rsync-account) (service-extension activation-service-type rsync-activation))) (default-value (rsync-configuration)) (description "Run the rsync file copying tool in daemon mode. This allows remote hosts to keep synchronized copies of the files exported by rsync.")))


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