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LibCore: Add syscall wrapper for getpwnam()

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This commit is contained in:
Kenneth Myhra 2021-11-29 22:03:19 +01:00 • committed by Brian Gianforcaro
parent c8080fc2ca
commit cd5063555e
2 changed files with 20 additions and 0 deletions
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18
Userland/Libraries/LibCore/System.cpp
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@ -324,4 +324,22 @@ ErrorOr<void> chown(StringView pathname, uid_t uid, gid_t gid)
#endif #endif
} }
ErrorOr<struct passwd> getpwnam(StringView name)
{
::setpwent();
if (errno)
return Error::from_syscall("getpwnam"sv, -errno);
while (auto* pw = ::getpwent()) {
if (errno)
return Error::from_syscall("getpwnam"sv, -errno);
if (pw->pw_name == name)
return *pw;
}
if (errno)
return Error::from_syscall("getpwnam"sv, -errno);
else
return Error::from_string_literal("getpwnam: Unknown username"sv);
}
} }

2
Userland/Libraries/LibCore/System.h
View file

@ -8,6 +8,7 @@
#pragma once #pragma once
#include <AK/Error.h> #include <AK/Error.h>
#include <pwd.h>
#include <signal.h> #include <signal.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <termios.h> #include <termios.h>
@ -45,5 +46,6 @@ ErrorOr<struct termios> tcgetattr(int fd);
ErrorOr<void> tcsetattr(int fd, int optional_actions, struct termios const&); ErrorOr<void> tcsetattr(int fd, int optional_actions, struct termios const&);
ErrorOr<void> chmod(StringView pathname, mode_t mode); ErrorOr<void> chmod(StringView pathname, mode_t mode);
ErrorOr<void> chown(StringView pathname, uid_t uid, gid_t gid); ErrorOr<void> chown(StringView pathname, uid_t uid, gid_t gid);
ErrorOr<struct passwd> getpwnam(StringView name);
} }