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https://github.com/moparisthebest/socat
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74 lines
3.4 KiB
C
74 lines
3.4 KiB
C
/* source: xio-process.c */
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/* Copyright Gerhard Rieger 2001-2009 */
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/* Published under the GNU General Public License V.2, see file COPYING */
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/* this file handles process related addresses options */
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#include "xiosysincludes.h"
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#include "xioopen.h"
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#include "xio-process.h"
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/****** process related options ******/
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const struct optdesc opt_setgid_early= { "setgid-early",NULL, OPT_SETGID_EARLY,GROUP_PROCESS, PH_EARLY, TYPE_GIDT, OFUNC_SPEC };
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const struct optdesc opt_setgid = { "setgid", NULL, OPT_SETGID, GROUP_PROCESS, PH_LATE2, TYPE_GIDT, OFUNC_SPEC };
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const struct optdesc opt_setuid_early= { "setuid-early",NULL, OPT_SETUID_EARLY,GROUP_PROCESS, PH_EARLY, TYPE_UIDT, OFUNC_SPEC };
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const struct optdesc opt_setuid = { "setuid", NULL, OPT_SETUID, GROUP_PROCESS, PH_LATE2, TYPE_UIDT, OFUNC_SPEC };
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const struct optdesc opt_substuser_early = { "substuser-early", "su-e", OPT_SUBSTUSER_EARLY, GROUP_PROCESS, PH_EARLY, TYPE_UIDT, OFUNC_SPEC };
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const struct optdesc opt_substuser = { "substuser", "su", OPT_SUBSTUSER, GROUP_PROCESS, PH_LATE2, TYPE_UIDT, OFUNC_SPEC };
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#if defined(HAVE_SETGRENT) && defined(HAVE_GETGRENT) && defined(HAVE_ENDGRENT)
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const struct optdesc opt_substuser_delayed = { "substuser-delayed", "su-d", OPT_SUBSTUSER_DELAYED, GROUP_PROCESS, PH_INIT, TYPE_UIDT, OFUNC_SPEC };
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#endif
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const struct optdesc opt_chroot_early = { "chroot-early", NULL, OPT_CHROOT_EARLY, GROUP_PROCESS, PH_EARLY, TYPE_STRING, OFUNC_SPEC };
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const struct optdesc opt_chroot = { "chroot", NULL, OPT_CHROOT, GROUP_PROCESS, PH_LATE, TYPE_STRING, OFUNC_SPEC };
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const struct optdesc opt_setsid = { "setsid", "sid", OPT_SETSID, GROUP_PROCESS, PH_LATE, TYPE_BOOL, OFUNC_SPEC };
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const struct optdesc opt_setpgid = { "setpgid", "pgid",OPT_SETPGID, GROUP_FORK, PH_LATE, TYPE_INT, OFUNC_SPEC };
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/* for option substuser-delayed, save info for later application */
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bool delayeduser = false;
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uid_t delayeduser_uid; /* numeric user id to switch to */
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gid_t delayeduser_gid; /* numeric group id to switch to */
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gid_t delayeduser_gids[NGROUPS]; /* num.supplementary group ids */
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size_t delayeduser_ngids; /* number of suppl. gids */
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char *delayeduser_name; /* name of user to switch to */
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char *delayeduser_dir; /* home directory of user to switch to */
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char *delayeduser_shell; /* login shell of user to switch to */
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int _xioopen_setdelayeduser(void) {
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if (delayeduser) {
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#if HAVE_SETGROUPS
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if ((Setgroups(delayeduser_ngids, delayeduser_gids)) != 0) {
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Error3("setgroups("F_Zu", %p): %s",
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delayeduser_ngids, delayeduser_gids, strerror(errno));
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}
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#endif /* HAVE_SETGROUPS */
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if (Setgid(delayeduser_gid) < 0) {
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Error2("setgid("F_gid"): %s", delayeduser_gid,
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strerror(errno));
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}
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if (Setuid(delayeduser_uid) < 0) {
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Error2("setuid("F_uid"): %s", delayeduser_uid,
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strerror(errno));
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}
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#if 1
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if (setenv("USER", delayeduser_name, 1) < 0)
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Error1("setenv(\"USER\", \"%s\", 1): insufficient space",
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delayeduser_name);
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if (setenv("LOGNAME", delayeduser_name, 1) < 0)
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Error1("setenv(\"LOGNAME\", \"%s\", 1): insufficient space",
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delayeduser_name);
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if (setenv("HOME", delayeduser_dir, 1) < 0)
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Error1("setenv(\"HOME\", \"%s\", 1): insufficient space",
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delayeduser_dir);
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if (setenv("SHELL", delayeduser_shell, 1) < 0)
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Error1("setenv(\"SHELL\", \"%s\", 1): insufficient space",
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delayeduser_shell);
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#endif
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delayeduser = false;
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}
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return 0;
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}
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