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Everywhere: Port to String::copy_characters_to_buffer()

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This commit is contained in:
Sergey Bugaev 2020-08-25 17:32:01 +03:00 • committed by Andreas Kling
parent be6cce5530
commit 852454746e
8 changed files with 39 additions and 18 deletions
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7
Libraries/LibC/time.cpp
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@ -304,10 +304,9 @@ size_t strftime(char* destination, size_t max_size, const char* format, const st
return 0;
}
if (builder.length() + 1 > max_size)
return 0;
strcpy(destination, builder.build().characters());
return builder.length();
auto str = builder.build();
bool fits = str.copy_characters_to_buffer(destination, max_size);
return fits ? str.length() : 0;
}
long timezone = 0;

5
Libraries/LibCore/Socket.cpp
View file

@ -112,13 +112,12 @@ bool Socket::connect(const SocketAddress& address)
sockaddr_un saddr;
saddr.sun_family = AF_LOCAL;
auto dest_address = address.to_string();
if (dest_address.length() >= sizeof(saddr.sun_path)) {
bool fits = dest_address.copy_characters_to_buffer(saddr.sun_path, sizeof(saddr.sun_path));
if (!fits) {
fprintf(stderr, "Core::Socket: Failed to connect() to %s: Path is too long!\n", dest_address.characters());
errno = EINVAL;
return false;
}
strcpy(saddr.sun_path, address.to_string().characters());
m_destination_address = address;
return common_connect((const sockaddr*)&saddr, sizeof(saddr));

5
Libraries/LibCore/SocketAddress.h
View file

@ -87,10 +87,9 @@ public:
ASSERT(type() == Type::Local);
sockaddr_un address;
address.sun_family = AF_LOCAL;
if (m_local_address.length() >= sizeof(address.sun_path)) {
bool fits = m_local_address.copy_characters_to_buffer(address.sun_path, sizeof(address.sun_path));
if (!fits)
return {};
}
strcpy(address.sun_path, m_local_address.characters());
return address;
}

12
Libraries/LibCrypt/crypt.cpp
View file

@ -55,7 +55,11 @@ char* crypt_r(const char* key, const char* salt, struct crypt_data* data)
size_t salt_len = min(strcspn(salt_value, "$"), crypt_salt_max);
size_t header_len = salt_len + 3;
strncpy(data->result, salt, header_len);
bool fits = String(salt, header_len).copy_characters_to_buffer(data->result, sizeof(data->result));
if (!fits) {
errno = EINVAL;
return nullptr;
}
data->result[header_len] = '$';
Crypto::Hash::SHA256 sha;
@ -65,7 +69,11 @@ char* crypt_r(const char* key, const char* salt, struct crypt_data* data)
auto digest = sha.digest();
auto string = encode_base64(ReadonlyBytes(digest.immutable_data(), digest.data_length()));
strncpy(data->result + header_len + 1, string.characters(), sha_string_length);
fits = string.copy_characters_to_buffer(data->result + header_len + 1, sizeof(data->result) - header_len - 1);
if (!fits) {
errno = EINVAL;
return nullptr;
}
return data->result;
}