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Add flag to choose whether to use getgrouplist(3) or getgroups(2)

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to the id_print() function.

Use getgrouplist(3) for the case when an user was specified,
and getgroups(2) when no user was given.
That reverts to the expected behaviour and makes it easy to
implement an option later to force using getgrouplist(3).
This commit is contained in:
robert 2005-04-29 10:11:18 +00:00
parent 1695f34782
commit a07b9094ad
1 changed files with 11 additions and 6 deletions
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17
usr.bin/id/id.c
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@ -57,7 +57,7 @@ __FBSDID("$FreeBSD$");
#include <string.h>
#include <unistd.h>
void id_print(struct passwd *, int, int);
void id_print(struct passwd *, int, int, int);
void pline(struct passwd *);
void pretty(struct passwd *);
void group(struct passwd *, int);
@ -180,12 +180,12 @@ main(int argc, char *argv[])
}
if (pw) {
id_print(pw, 0, 0);
id_print(pw, 1, 0, 0);
}
else {
id = getuid();
if ((pw = getpwuid(id)) != NULL)
id_print(pw, 1, 1);
id_print(pw, 0, 1, 1);
}
exit(0);
}
@ -231,7 +231,7 @@ pretty(struct passwd *pw)
}
void
id_print(struct passwd *pw, int p_euid, int p_egid)
id_print(struct passwd *pw, int use_ggl, int p_euid, int p_egid)
{
struct group *gr;
gid_t gid, egid, lastgid;
@ -243,8 +243,13 @@ id_print(struct passwd *pw, int p_euid, int p_egid)
uid = pw->pw_uid;
gid = pw->pw_gid;
ngroups = NGROUPS + 1;
getgrouplist(pw->pw_name, gid, groups, &ngroups);
if (use_ggl) {
ngroups = NGROUPS + 1;
getgrouplist(pw->pw_name, gid, groups, &ngroups);
}
else {
ngroups = getgroups(NGROUPS + 1, groups);
}
printf("uid=%u(%s)", uid, pw->pw_name);
if (p_euid && (euid = geteuid()) != uid) {