src/usr.bin/ssh/uidswap.c - diff

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version 1.39, 2015/06/24 01:49:19

version 1.40, 2018/06/15 07:01:11

Line 38

/* Saved effective uid. */

static int privileged = 0;

static int temporarily_use_uid_effective = 0;

static uid_t saved_euid = 0;

static uid_t saved_euid, user_groups_uid;

static gid_t saved_egid;

static gid_t saved_egroups[NGROUPS_MAX], user_groups[NGROUPS_MAX];

static int saved_egroupslen = -1, user_groupslen = -1;

Line 67

fatal("getgroups: %.100s", strerror(errno));

/* set and save the user's groups */

if (user_groupslen == -1) {

if (user_groupslen == -1 || user_groups_uid != pw->pw_uid) {

if (initgroups(pw->pw_name, pw->pw_gid) < 0)

fatal("initgroups: %s: %.100s", pw->pw_name,

strerror(errno));

user_groupslen = getgroups(NGROUPS_MAX, user_groups);

if (user_groupslen < 0)

fatal("getgroups: %.100s", strerror(errno));

user_groups_uid = pw->pw_uid;

}

/* Set the effective uid to the given (unprivileged) uid. */

if (setgroups(user_groupslen, user_groups) < 0)