diff --git a/libc-bottom-half/sources/netdb.c b/libc-bottom-half/sources/netdb.c index 53226958..b9c9bb08 100644 --- a/libc-bottom-half/sources/netdb.c +++ b/libc-bottom-half/sources/netdb.c @@ -7,6 +7,8 @@ _Thread_local int h_errno = 0; +static struct servent global_serv = { 0 }; + static int map_error(ip_name_lookup_error_code_t error) { switch (error) { @@ -137,6 +139,29 @@ static int add_addr(ip_name_lookup_option_ip_address_t address, return 0; } +static bool set_global_serv_entry(const service_entry_t *entry, const char *proto) { + if (!entry) { + return false; // Service not found + } + + global_serv.s_name = entry->s_name; + global_serv.s_port = htons(entry->port); + global_serv.s_aliases = NULL; + + // If proto is NULL then any protocol is matched + if ((!proto || strcmp(proto, "tcp") == 0) && entry->protocol & SERVICE_PROTOCOL_TCP) { + global_serv.s_proto = "tcp"; + } + else if ((!proto || strcmp(proto, "udp") == 0) && entry->protocol & SERVICE_PROTOCOL_UDP) { + global_serv.s_proto = "udp"; + } + else { + return false; // Protocol not supported + } + + return true; +} + int getaddrinfo(const char *restrict host, const char *restrict serv, const struct addrinfo *restrict hint, struct addrinfo **restrict res) @@ -249,14 +274,20 @@ const char *hstrerror(int err) struct servent *getservbyname(const char *name, const char *proto) { - // TODO wasi-sockets - return NULL; + const service_entry_t *entry = __wasi_sockets_utils__get_service_entry_by_name(name); + if (!set_global_serv_entry(entry, proto)) { + return NULL; + } + return &global_serv; } struct servent *getservbyport(int port, const char *proto) { - // TODO wasi-sockets - return NULL; + const service_entry_t *entry = __wasi_sockets_utils__get_service_entry_by_port(htons(port)); + if (!set_global_serv_entry(entry, proto)) { + return NULL; + } + return &global_serv; } struct protoent *getprotobyname(const char *name)