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Kernel: Added the ability to set the hostname via new syscall

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Userland/hostname: Now takes parameter to set the hostname
LibC/unistd: Added sethostname function
This commit is contained in:
Luke Payne 2020-04-26 15:59:47 +10:00 • committed by Andreas Kling
commit f191b84b50
Notes: sideshowbarker 2024-07-19 07:17:18 +09:00
7 changed files with 40 additions and 9 deletions
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12
Kernel/Process.cpp
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@ -712,6 +712,18 @@ int Process::sys$gethostname(char* buffer, ssize_t size)
return 0;
}
int Process::sys$sethostname(const char* hostname, ssize_t length)
{
REQUIRE_PROMISE(stdio);
if (length < 0)
return -EINVAL;
LOCKER(*s_hostname_lock, Lock::Mode::Shared);
if (length > 64)
return -ENAMETOOLONG;
*s_hostname = validate_and_copy_string_from_user(hostname, length);
return 0;
}
pid_t Process::sys$fork(RegisterState& regs)
{
REQUIRE_PROMISE(proc);