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inetd: use change_identity().

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libbb: shrink our internal initgroups().
httpd: remove stray 'else' and 'index_page = "index.html"'

function                                             old     new   delta
httpd_main                                           750     743      -7
inetd_main                                          2033    2011     -22
bb_internal_initgroups                               251     228     -23
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(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-52)             Total: -52 bytes
This commit is contained in:
Denis Vlasenko
2008-03-20 15:12:58 +00:00
parent c52248e41c
commit 9230582315
4 changed files with 18 additions and 30 deletions
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13
networking/inetd.c
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@@ -142,15 +142,15 @@
/* Here's the scoop concerning the user[:group] feature:
* 1) group is not specified:
* a) user = root: NO setuid() or setgid() is done
* b) other: setgid(primary group as found in passwd)
* initgroups(name, primary group)
* b) other: initgroups(name, primary group)
* setgid(primary group as found in passwd)
* setuid()
* 2) group is specified:
* a) user = root: setgid(specified group)
* NO initgroups()
* NO setuid()
* b) other: setgid(specified group)
* initgroups(name, specified group)
* b) other: initgroups(name, specified group)
* setgid(specified group)
* setuid()
*/
@@ -1383,9 +1383,8 @@ int inetd_main(int argc ATTRIBUTE_UNUSED, char **argv)
if (pwd->pw_uid) {
if (sep->se_group)
pwd->pw_gid = grp->gr_gid;
xsetgid(pwd->pw_gid);
initgroups(pwd->pw_name, pwd->pw_gid);
xsetuid(pwd->pw_uid);
/* initgroups, setgid, setuid: */
change_identity(pwd);
} else if (sep->se_group) {
xsetgid(grp->gr_gid);
setgroups(1, &grp->gr_gid);