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Utilities: Use Core::Account for id

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This commit is contained in:
Jean-Baptiste Boric 2021-07-08 22:01:35 +02:00 • committed by Andreas Kling
parent 16983dbe8e
commit 538cc9d99a
1 changed files with 41 additions and 58 deletions
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99
Userland/Utilities/id.cpp
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@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause * SPDX-License-Identifier: BSD-2-Clause
*/ */
#include <LibCore/Account.h>
#include <LibCore/ArgsParser.h> #include <LibCore/ArgsParser.h>
#include <alloca.h> #include <alloca.h>
#include <grp.h> #include <grp.h>
@ -11,7 +12,7 @@
#include <stdio.h> #include <stdio.h>
#include <unistd.h> #include <unistd.h>
static int print_id_objects(); static int print_id_objects(Core::Account const&);
static bool flag_print_uid = false; static bool flag_print_uid = false;
static bool flag_print_gid = false; static bool flag_print_gid = false;
@ -57,100 +58,82 @@ int main(int argc, char** argv)
return 1; return 1;
} }
int status = print_id_objects(); auto account = Core::Account::self(Core::Account::Read::PasswdOnly);
return status; return print_id_objects(account);
} }
static bool print_uid_object(uid_t uid) static bool print_uid_object(Core::Account const& account)
{ {
if (flag_print_name) { if (flag_print_name)
struct passwd* pw = getpwuid(uid); out("{}", account.username());
out("{}", pw ? pw->pw_name : "n/a"); else
} else out("{}", account.uid());
out("{}", uid);
return true; return true;
} }
static bool print_gid_object(gid_t gid) static bool print_gid_object(Core::Account const& account)
{ {
if (flag_print_name) { if (flag_print_name) {
struct group* gr = getgrgid(gid); struct group* gr = getgrgid(account.gid());
out("{}", gr ? gr->gr_name : "n/a"); out("{}", gr ? gr->gr_name : "n/a");
} else } else
out("{}", gid); out("{}", account.gid());
return true; return true;
} }
static bool print_gid_list() static bool print_gid_list(Core::Account const& account)
{ {
int extra_gid_count = getgroups(0, nullptr); auto& extra_gids = account.extra_gids();
if (extra_gid_count) { auto extra_gid_count = extra_gids.size();
auto* extra_gids = (gid_t*)alloca(extra_gid_count * sizeof(gid_t)); for (size_t g = 0; g < extra_gid_count; ++g) {
int rc = getgroups(extra_gid_count, extra_gids); auto gid = extra_gids[g];
auto* gr = getgrgid(gid);
if (rc < 0) { if (flag_print_name && gr)
perror("\ngetgroups"); out("{}", gr->gr_name);
return false; else
} out("{}", gid);
if (g != extra_gid_count - 1)
for (int g = 0; g < extra_gid_count; ++g) { out(" ");
auto* gr = getgrgid(extra_gids[g]);
if (flag_print_name && gr)
out("{}", gr->gr_name);
else
out("{}", extra_gids[g]);
if (g != extra_gid_count - 1)
out(" ");
}
} }
return true; return true;
} }
static bool print_full_id_list() static bool print_full_id_list(Core::Account const& account)
{ {
uid_t uid = getuid(); auto uid = account.uid();
gid_t gid = getgid(); auto gid = account.gid();
struct passwd* pw = getpwuid(uid); struct passwd* pw = getpwuid(uid);
struct group* gr = getgrgid(gid); struct group* gr = getgrgid(gid);
out("uid={}({}) gid={}({})", uid, pw ? pw->pw_name : "n/a", gid, gr ? gr->gr_name : "n/a"); out("uid={}({}) gid={}({})", uid, pw ? pw->pw_name : "n/a", gid, gr ? gr->gr_name : "n/a");
int extra_gid_count = getgroups(0, nullptr); for (auto extra_gid : account.extra_gids()) {
if (extra_gid_count) { auto* gr = getgrgid(gid);
auto* extra_gids = (gid_t*)alloca(extra_gid_count * sizeof(gid_t)); if (gr)
int rc = getgroups(extra_gid_count, extra_gids); out(" {}({})", extra_gid, gr->gr_name);
if (rc < 0) { else
perror("\ngetgroups"); out(" {}", extra_gid);
return false;
}
out(" groups=");
for (int g = 0; g < extra_gid_count; ++g) {
auto* gr = getgrgid(extra_gids[g]);
if (gr)
out("{}({})", extra_gids[g], gr->gr_name);
else
out("{}", extra_gids[g]);
if (g != extra_gid_count - 1)
out(",");
}
} }
return true; return true;
} }
static int print_id_objects() static int print_id_objects(Core::Account const& account)
{ {
if (flag_print_uid) { if (flag_print_uid) {
if (!print_uid_object(getuid())) if (!print_uid_object(account))
return 1; return 1;
} else if (flag_print_gid) { } else if (flag_print_gid) {
if (!print_gid_object(getgid())) if (!print_gid_object(account))
return 1; return 1;
} else if (flag_print_gid_all) { } else if (flag_print_gid_all) {
if (!print_gid_list()) if (!print_gid_list(account))
return 1; return 1;
} else { } else {
if (!print_full_id_list()) if (!print_full_id_list(account))
return 1; return 1;
} }