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LibCore: Add ability to not read shadow data for Account

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This stops spamming the kernel logs with unveil violations if the
program didn't unveil /etc/shadow.
This commit is contained in:
Jean-Baptiste Boric 2021-07-08 22:00:23 +02:00 • committed by Andreas Kling
parent fdf638dde0
commit 16983dbe8e
2 changed files with 23 additions and 9 deletions
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21
Userland/Libraries/LibCore/Account.cpp
View file

@ -66,7 +66,7 @@ Result<Account, String> Account::from_passwd(const passwd& pwd, const spwd& spwd
return account;
}
Account Account::self()
Account Account::self(Read options)
{
struct passwd fallback;
fallback.pw_name = const_cast<char*>("(unknown)");
@ -95,17 +95,20 @@ Account Account::self()
spwd_dummy.sp_namp = pwd->pw_name;
spwd_dummy.sp_pwdp = const_cast<char*>("");
#ifndef AK_OS_BSD_GENERIC
auto* spwd = getspnam(pwd->pw_name);
spwd* spwd = nullptr;
if (options != Read::PasswdOnly)
spwd = getspnam(pwd->pw_name);
if (!spwd)
spwd = &spwd_dummy;
#else
(void)options;
auto* spwd = &spwd_dummy;
#endif
return Account(*pwd, *spwd, extra_gids);
}
Result<Account, String> Account::from_name(const char* username)
Result<Account, String> Account::from_name(const char* username, Read options)
{
errno = 0;
auto* pwd = getpwnam(username);
@ -119,16 +122,19 @@ Result<Account, String> Account::from_name(const char* username)
spwd_dummy.sp_namp = const_cast<char*>(username);
spwd_dummy.sp_pwdp = const_cast<char*>("");
#ifndef AK_OS_BSD_GENERIC
auto* spwd = getspnam(username);
spwd* spwd = nullptr;
if (options != Read::PasswdOnly)
spwd = getspnam(pwd->pw_name);
if (!spwd)
spwd = &spwd_dummy;
#else
(void)options;
auto* spwd = &spwd_dummy;
#endif
return from_passwd(*pwd, *spwd);
}
Result<Account, String> Account::from_uid(uid_t uid)
Result<Account, String> Account::from_uid(uid_t uid, Read options)
{
errno = 0;
auto* pwd = getpwuid(uid);
@ -142,10 +148,13 @@ Result<Account, String> Account::from_uid(uid_t uid)
spwd_dummy.sp_namp = pwd->pw_name;
spwd_dummy.sp_pwdp = const_cast<char*>("");
#ifndef AK_OS_BSD_GENERIC
auto* spwd = getspnam(pwd->pw_name);
spwd* spwd = nullptr;
if (options != Read::PasswdOnly)
spwd = getspnam(pwd->pw_name);
if (!spwd)
spwd = &spwd_dummy;
#else
(void)options;
auto* spwd = &spwd_dummy;
#endif
return from_passwd(*pwd, *spwd);

11
Userland/Libraries/LibCore/Account.h
View file

@ -27,9 +27,14 @@ struct spwd {
class Account {
public:
static Account self();
static Result<Account, String> from_name(const char* username);
static Result<Account, String> from_uid(uid_t uid);
enum class Read {
All,
PasswdOnly
};
static Account self(Read options = Read::All);
static Result<Account, String> from_name(const char* username, Read options = Read::All);
static Result<Account, String> from_uid(uid_t uid, Read options = Read::All);
bool authenticate(const char* password) const;
bool login() const;