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setclasscontext, setclassenvironment, setclassresources, setusercontext — ???????󥯥饹?ǡ????١????˥???????????ǽ?Ϥ????Ĵؿ???

?饤?֥???

System Utilities Library (libutil, -lutil)

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<sys/types.h> <login_cap.h> int setclasscontext(const char *classname, unsigned int flags) int setusercontext(login_cap_t *lc, const struct passwd *pwd, uid_t uid, unsigned int flags) void setclassresources(login_cap_t *lc) void setclassenvironment(login_cap_t *lc, const struct passwd *pwd, int paths)

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???????δؿ??ϡ????????󥯥饹?ǡ????١????ؤ??? login_cap(3) ?Υޥ˥奢???˵??ܤ????Ƥ??륤?󥿥ե??????????⼡?Υ??󥿥ե??????? ?󶡤??ޤ??????????δؿ??????Ѥ??????Τϡ??꥽?????˴ؤ????³??ͤ䡢 ?Ķ??????ӥ????ƥ??˥??????󤹤??桼???ؤβݶ??????ꡢ?????ӥ??????󥯥饹 ?˴??Ť??????ƥ??ǡ????????????ȴĶ???Ŭ?ڤ??Ȥ????ꤹ???Ȥ??Ǥ??????????? ?ؿ??ƤӽФ??ϡ????ߤΥץ??????? root ???¤Ǽ¹Ԥ????Ƥ????Ȥ????? ??ǽ?Ǥ???LOGIN_SETLOGIN ?ե饰?????Ѥ????????硢???δؿ??? setlogin(2) ?θƤӽФ????¹Ԥ????????ؿ??ˤĤ??Ƥϥޥ˥奢???ڡ????????????Ƥ??????դ? ʧ??ɬ?פ??????ޤ?????????Ʊ???Υ??å??????Ǽ¹Ԥ????Ƥ??뤹?٤ƤΥץ????? ?˱ƶ??򤢤????ޤ????????ߤΥץ????????ƶ????????뤳?ȤϤ????ޤ?????

setclasscontext() ?ϡ???Ρ????ꤵ?줿̾???ե??饹???ͤ˴??Ť????饹 ?Υ????ƥ??????? (?꥽?????θ³??͡?umask ???ץ???????ͥ??????) ?? ???ꤷ?ޤ???

setusercontext() ?ϡ????ꤵ?줿 login_cap_t ???֥??????ȡ? ???ꤵ?줿 passwd ?쥳???? (login_cap_t ?? null?ξ???) ?˴??Ť??????饹?Υ????ƥ????ȥХ??塼?????ꤷ?ޤ??? ?ޤ??ǿ??Υ??å??????ؤΥ????????䡢 ?ǿ??Υץ??????Υ桼???????ӥ??롼?פν?ͭ?Ԥ????ꤷ?ޤ??? ???????δؿ??ϡ????줾?? flags ?ѥ??᡼?????Ϥ??줿?ӥåȥե饰?ˤ????????Ǥ??????˼??????? ʣ???Τ??Τ??鹽???????ޤ???

LOGIN_SETLOGIN

???ߤΥ??å??????ȴ?Ϣ?????ĥ????????? passwd ??¤?????????줿?桼?????б??????ޤ??? setlogin(2) ???Υ??ץ????󤬻??Ѥ????????硢 pwd ?ѥ??᡼???? NULL ?Ͱʳ??????ꤹ??ɬ?פ??????ޤ???

LOGIN_SETUSER

???ߤΥץ??????ν?ͭ?Ԥˡ? setuid(2) ?????Ѥ??? uid ?ѥ??᡼???ǻ??ꤵ?줿 uid ?????ꤷ?ޤ???

LOGIN_SETGROUP

???ߤΥץ??????Υ??롼?פȤ??Ƥν?ͭ?Ԥˡ? setgid(2) ?????Ѥ??? passwd ??¤?????????줿???롼?׼??̻Ҥ????ꤷ?ޤ??? ?ޤ??? initgroups(3) ?ƽФ??¹Ԥ??Ƹ??ߤΥץ??????? ?ؤ??륰?롼?פΥ????????ꥹ?Ȥ??????ޤ??? pwd ?ѥ??᡼???ϡ????Υ??ץ????󤬻??Ѥ????????硢 NULL ?ʳ????ͤ????ꤹ??ɬ?פ??????ޤ???

LOGIN_SETRESOURCES

?????ƥ??Υ??????󥯥饹?ǡ????١??????????????? ?????ͤ˴??Ť????ߤΥץ??????Υ꥽?????θ³??ͤ????ꤷ?ޤ??????饹???¥??? ?ϡ?-cur (???եȥ??ߥå?) ?ޤ??? -max (?ϡ??ɥ??ߥå?) ?????????ȼ??˼??? ?꥽?????????Ҥ?Ŭ?ڤ??Ȥ߹??碌?ƻ??Ѥ??ޤ???

cputime         RLIMIT_CPU
filesize        RLIMIT_FSIZE
datasize        RLIMIT_DATA
stacksize       RLIMIT_STACK
coredumpsize    RLIMIT_CORE
memoryuse       RLIMIT_RSS
memorylocked    RLIMIT_MEMLOCK
maxproc         RLIMIT_NPROC
openfiles	RLIMIT_NOFILE
sbsize		RLIMIT_SBSIZE

LOGIN_SETPRIORITY

?????ƥ??Υ??????󥯥饹?ǡ????١????????????줿 ?ͤ˴??Ť??????ץ??????Υ??????塼??????ͥ?????̤????ꤷ?ޤ??????Ѥ????? ???饹???¥????ϼ??ΤȤ????Ǥ???

priority

LOGIN_SETUMASK

???ߤΥץ??????? umask ?˥桼???ޤ??ϥ????ƥ??? ???????󥯥饹?ǡ????١????Ǥ??ͤ????ꤷ?ޤ??? ???Ѥ????륯?饹???¥????ϼ??ΤȤ????Ǥ???

umask

LOGIN_SETPATH

?桼???ޤ??ϥ????ƥ??Υ??????󥯥饹?ǡ????١????˴??Ť??ͤ? 'path' ?????? 'manpath' ?Ķ??ѿ??????ꤷ?ޤ????????????Ķ??ѿ? ???åȤȤȤ??˻??Ѥ????륯?饹???¥????ϼ??ΤȤ????Ǥ???

path            PATH
manpath         MANPATH

LOGIN_SETENV

?桼???ޤ??ϥ????ƥ??Υ??????󥯥饹?ǡ????١????? ???Ť??ͤ???δĶ??ѿ??????ꤷ?ޤ????????????Ķ??ѿ????åȤȤȤ??? ???Ѥ????륯?饹???¥????ϼ??ΤȤ????Ǥ???

lang            LANG
charset         MM_CHARSET
timezone        TZ
term            TERM

?Ķ??ѿ????ɲäȤ??ơ??ꥹ?ȷ??? ???????? 'setenv=var1 val1,var2 val2..,varN valN ' ?????ѤǤ??ޤ???

LOGIN_SETALL

?嵭???????򤹤٤Ʋ?ǽ?ˤ??ޤ???

?Ķ??ѿ???????????Ŭ?ڤ? passwd ?ݥ??󥿤? pwd ?ˤ???Ϳ???????????硢ʸ?? ‘~’ ?? ‘$’ ?Ϥ??줾???桼???Υۡ????ǥ??쥯?ȥꤪ???ӥ???????̾?? ?֤????????줳?Ȥ????뤳?Ȥ????դ??Ƥ?????????

?ؿ? setclassresources() ?????? setclassenvironment() ?ϡ??嵭?????ƥ??????????δؿ??? ???֥??åȤǤ?????ñ?ȤǤ????ѤǤ??ޤ???

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setclasscontext() ?????? setusercontext() ?ϡ????顼???????????? -1 ???֤??ޤ??? ???ｪλ?ξ??? 0 ???֤??ޤ??? ?桼???????????󡢥??롼?פޤ??ϥ꥽?????????????ԤäƤ????????? ???顼???????????硢LOG_ERR ??ͥ?????̤ˤ??????å??????? syslog(3) ?????Τ??졢???ߥ????ƥ??־??֤ε?ǽ?????Τ????ޤ???

??Ϣ????

setgid(2), setlogin(2), setuid(2), getcap(3), initgroups(3), login_cap(3), login.conf(5), termcap(5)