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authorIan Moffett <ian@osmora.org>2024-03-07 17:28:52 -0500
committerIan Moffett <ian@osmora.org>2024-03-07 18:24:51 -0500
commitf5e48e94a2f4d4bbd6e5628c7f2afafc6dbcc459 (patch)
tree93b156621dc0303816b37f60ba88051b702d92f6 /lib/mlibc/options/posix/generic/netdb-stubs.cpp
parentbd5969fc876a10b18613302db7087ef3c40f18e1 (diff)
build: Build mlibc + add distclean target
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'lib/mlibc/options/posix/generic/netdb-stubs.cpp')
-rw-r--r--lib/mlibc/options/posix/generic/netdb-stubs.cpp486
1 files changed, 0 insertions, 486 deletions
diff --git a/lib/mlibc/options/posix/generic/netdb-stubs.cpp b/lib/mlibc/options/posix/generic/netdb-stubs.cpp
deleted file mode 100644
index 455444b..0000000
--- a/lib/mlibc/options/posix/generic/netdb-stubs.cpp
+++ /dev/null
@@ -1,486 +0,0 @@
-#include <netdb.h>
-#include <bits/ensure.h>
-
-#include <mlibc/debug.hpp>
-#include <mlibc/lookup.hpp>
-#include <mlibc/allocator.hpp>
-#include <mlibc/services.hpp>
-#include <frg/vector.hpp>
-#include <frg/array.hpp>
-#include <frg/span.hpp>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <stddef.h>
-#include <errno.h>
-
-__thread int __mlibc_h_errno;
-
-// This function is from musl
-int *__h_errno_location(void) {
- return &__mlibc_h_errno;
-}
-
-void endhostent(void) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-void endnetent(void) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-void endprotoent(void) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-void endservent(void) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-void freeaddrinfo(struct addrinfo *ptr) {
- if (ptr) {
- auto buf = (struct mlibc::ai_buf*) ptr - offsetof(struct mlibc::ai_buf, ai);
- // this string was allocated by a frg::string
- getAllocator().free(ptr->ai_canonname);
- free(buf);
- }
-}
-
-const char *gai_strerror(int code) {
- static thread_local char buffer[128];
- snprintf(buffer, sizeof(buffer), "Unknown error (%d)", code);
- return buffer;
-}
-
-int getaddrinfo(const char *__restrict node, const char *__restrict service,
- const struct addrinfo *__restrict hints, struct addrinfo **__restrict res) {
- if (!node && !service)
- return EAI_NONAME;
-
- int socktype = 0, protocol = 0, family = AF_UNSPEC, flags = AI_V4MAPPED | AI_ADDRCONFIG;
- if (hints) {
- socktype = hints->ai_socktype;
- protocol = hints->ai_protocol;
- family = hints->ai_family;
- flags = hints->ai_flags;
-
- int mask = AI_V4MAPPED | AI_ADDRCONFIG | AI_NUMERICHOST | AI_PASSIVE |
- AI_CANONNAME | AI_ALL | AI_NUMERICSERV;
- if ((flags & mask) != flags)
- return EAI_BADFLAGS;
-
- if (family != AF_INET && family != AF_INET6 && family != AF_UNSPEC)
- return EAI_FAMILY;
- }
-
- mlibc::service_result serv_buf{getAllocator()};
- int serv_count = mlibc::lookup_serv_by_name(serv_buf, service, protocol, socktype, flags);
- if (serv_count < 0)
- return -serv_count;
-
- struct mlibc::lookup_result addr_buf;
- int addr_count = 1;
- frg::string<MemoryAllocator> canon{getAllocator()};
- if (node) {
- if ((addr_count = mlibc::lookup_name_ip(addr_buf, node, family)) <= 0) {
- if (flags & AI_NUMERICHOST)
- addr_count = -EAI_NONAME;
- else if ((addr_count = mlibc::lookup_name_hosts(addr_buf, node, canon)) <= 0)
- addr_count = mlibc::lookup_name_dns(addr_buf, node, canon);
- else
- addr_count = 1;
- }
-
- if (addr_count < 0)
- return -addr_count;
- if (!addr_count)
- return EAI_NONAME;
- } else {
- /* There is no node specified */
- if (flags & AI_NUMERICHOST)
- return EAI_NONAME;
- addr_count = lookup_name_null(addr_buf, flags, family);
- }
-
- auto out = (struct mlibc::ai_buf *) calloc(serv_count * addr_count,
- sizeof(struct mlibc::ai_buf));
-
- if (node && !canon.size())
- canon = frg::string<MemoryAllocator>{node, getAllocator()};
-
- for (int i = 0, k = 0; i < addr_count; i++) {
- for (int j = 0; j < serv_count; j++, k++) {
- out[i].ai.ai_family = addr_buf.buf[i].family;
- out[i].ai.ai_socktype = serv_buf[j].socktype;
- out[i].ai.ai_protocol = serv_buf[j].protocol;
- out[i].ai.ai_flags = flags;
- out[i].ai.ai_addr = (struct sockaddr *) &out[i].sa;
- if (canon.size())
- out[i].ai.ai_canonname = canon.data();
- else
- out[i].ai.ai_canonname = NULL;
- out[i].ai.ai_next = NULL;
- switch (addr_buf.buf[i].family) {
- case AF_INET:
- out[i].ai.ai_addrlen = sizeof(struct sockaddr_in);
- out[i].sa.sin.sin_port = htons(serv_buf[j].port);
- out[i].sa.sin.sin_family = AF_INET;
- memcpy(&out[i].sa.sin.sin_addr, addr_buf.buf[i].addr, 4);
- break;
- case AF_INET6:
- out[i].ai.ai_addrlen = sizeof(struct sockaddr_in6);
- out[i].sa.sin6.sin6_family = htons(serv_buf[j].port);
- out[i].sa.sin6.sin6_family = AF_INET6;
- memcpy(&out[i].sa.sin6.sin6_addr, addr_buf.buf[i].addr, 16);
- break;
- }
- }
- }
- if (canon.size())
- canon.detach();
-
- *res = &out[0].ai;
- return 0;
-}
-
-struct hostent *gethostent(void) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-int getnameinfo(const struct sockaddr *__restrict addr, socklen_t addr_len,
- char *__restrict host, socklen_t host_len, char *__restrict serv,
- socklen_t serv_len, int flags) {
- frg::array<uint8_t, 16> addr_array;
- int family = addr->sa_family;
-
- switch(family) {
- case AF_INET: {
- if (addr_len < sizeof(struct sockaddr_in))
- return EAI_FAMILY;
- auto sockaddr = reinterpret_cast<const struct sockaddr_in*>(addr);
- memcpy(addr_array.data(), reinterpret_cast<const char*>(&sockaddr->sin_addr), 4);
- break;
- }
- case AF_INET6: {
- mlibc::infoLogger() << "getnameinfo(): ipv6 is not fully supported in this function" << frg::endlog;
- if (addr_len < sizeof(struct sockaddr_in6))
- return EAI_FAMILY;
- auto sockaddr = reinterpret_cast<const struct sockaddr_in6*>(addr);
- memcpy(addr_array.data(), reinterpret_cast<const char*>(&sockaddr->sin6_addr), 16);
- break;
- }
- default:
- return EAI_FAMILY;
- }
-
- if (host && host_len) {
- frg::span<char> host_span{host, host_len};
- int res = 0;
- if (!(flags & NI_NUMERICHOST))
- res = mlibc::lookup_addr_hosts(host_span, addr_array, family);
- if (!(flags & NI_NUMERICHOST) && !res)
- res = mlibc::lookup_addr_dns(host_span, addr_array, family);
-
- if (!res) {
- if (flags & NI_NAMEREQD)
- return EAI_NONAME;
- if(!inet_ntop(family, addr_array.data(), host, host_len)) {
- switch(errno) {
- case EAFNOSUPPORT:
- return EAI_FAMILY;
- case ENOSPC:
- return EAI_OVERFLOW;
- default:
- return EAI_FAIL;
- }
- }
- }
-
- if (res < 0)
- return -res;
- }
-
- if (serv && serv_len) {
- __ensure("getnameinfo(): not implemented service resolution yet!");
- __builtin_unreachable();
- }
-
- return 0;
-}
-
-struct netent *getnetbyaddr(uint32_t, int) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-struct netent *getnetbyname(const char *) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-struct netent *getnetent(void) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-struct hostent *gethostbyname(const char *name) {
- if (!name) {
- h_errno = HOST_NOT_FOUND;
- return NULL;
- }
-
- struct mlibc::lookup_result buf;
- frg::string<MemoryAllocator> canon{getAllocator()};
- int ret = 0;
- if ((ret = mlibc::lookup_name_hosts(buf, name, canon)) <= 0)
- ret = mlibc::lookup_name_dns(buf, name, canon);
- if (ret <= 0) {
- h_errno = HOST_NOT_FOUND;
- return NULL;
- }
-
- static struct hostent h;
- if (h.h_name) {
- getAllocator().free(h.h_name);
- for (int i = 0; h.h_aliases[i] != NULL; i++)
- getAllocator().free(h.h_aliases[i]);
- free(h.h_aliases);
-
- if (h.h_addr_list) {
- for (int i = 0; h.h_addr_list[i] != NULL; i++)
- free(h.h_addr_list[i]);
- free(h.h_addr_list);
- }
- }
- h = {};
-
- if (!canon.size())
- canon = frg::string<MemoryAllocator>{name, getAllocator()};
-
- h.h_name = canon.data();
-
- h.h_aliases = reinterpret_cast<char**>(malloc((buf.aliases.size() + 1)
- * sizeof(char*)));
- int alias_pos = 0;
- for (auto &buf_name : buf.aliases) {
- h.h_aliases[alias_pos] = buf_name.data();
- buf_name.detach();
- alias_pos++;
- }
- h.h_aliases[alias_pos] = NULL;
- canon.detach();
-
- // just pick the first family as the one for all addresses...??
- h.h_addrtype = buf.buf[0].family;
- if (h.h_addrtype != AF_INET && h.h_addrtype != AF_INET6) {
- // this is not allowed per spec
- h_errno = NO_DATA;
- return NULL;
- }
-
- // can only be AF_INET or AF_INET6
- h.h_length = h.h_addrtype == AF_INET ? 4 : 16;
- h.h_addr_list = reinterpret_cast<char**>(malloc((ret + 1) * sizeof(char*)));
- int addr_pos = 0;
- for (int i = 0; i < ret; i++) {
- if (buf.buf[i].family != h.h_addrtype)
- continue;
- h.h_addr_list[addr_pos] = reinterpret_cast<char*>(malloc(h.h_length));
- memcpy(h.h_addr_list[addr_pos], buf.buf[i].addr, h.h_length);
- addr_pos++;
- }
- h.h_addr_list[addr_pos] = NULL;
-
- return &h;
-}
-
-struct hostent *gethostbyname2(const char *, int) {
- __ensure(!"gethostbyname2() not implemented");
- __builtin_unreachable();
-}
-
-struct hostent *gethostbyaddr(const void *, socklen_t, int) {
- __ensure(!"gethostbyaddr() not implemented");
- __builtin_unreachable();
-}
-
-int gethostbyaddr_r(const void *__restrict, socklen_t, int, struct hostent *__restrict,
- char *__restrict, size_t, struct hostent **__restrict, int *__restrict) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-int gethostbyname_r(const char *__restrict, struct hostent *__restrict, char *__restrict, size_t,
- struct hostent **__restrict, int *__restrict) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-struct protoent *getprotobyname(const char *) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-struct protoent *getprotobynumber(int) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-struct protoent *getprotoent(void) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-struct servent *getservbyname(const char *name, const char *proto) {
- int iproto = -1;
- if (proto &&(!strncmp(proto, "tcp", 3) || !strncmp(proto, "TCP", 3)))
- iproto = IPPROTO_TCP;
- else if (proto && (!strncmp(proto, "udp", 3) || !strncmp(proto, "UDP", 3)))
- iproto = IPPROTO_UDP;
-
- static struct servent ret;
- if (ret.s_name) {
- free(ret.s_name);
- ret.s_name = nullptr;
-
- for (char **alias = ret.s_aliases; *alias != NULL; alias++) {
- free(*alias);
- *alias = nullptr;
- }
-
- free(ret.s_proto);
- ret.s_proto = nullptr;
- }
-
- mlibc::service_result serv_buf{getAllocator()};
- int count = mlibc::lookup_serv_by_name(serv_buf, name, iproto,
- 0, 0);
- if (count <= 0)
- return NULL;
-
- ret.s_name = serv_buf[0].name.data();
- serv_buf[0].name.detach();
- // Sanity check.
- if (strncmp(name, serv_buf[0].name.data(), serv_buf[0].name.size()))
- return NULL;
-
- ret.s_aliases = reinterpret_cast<char**>(malloc((serv_buf[0].aliases.size() + 1) * sizeof(char*)));
- int alias_pos = 0;
- for (auto &buf_name : serv_buf[0].aliases) {
- ret.s_aliases[alias_pos] = buf_name.data();
- buf_name.detach();
- alias_pos++;
- }
- ret.s_aliases[alias_pos] = NULL;
-
- ret.s_port = htons(serv_buf[0].port);
-
- auto proto_string = frg::string<MemoryAllocator>(getAllocator());
- if (!proto) {
- if (serv_buf[0].protocol == IPPROTO_TCP)
- proto_string = frg::string<MemoryAllocator>("tcp", getAllocator());
- else if (serv_buf[0].protocol == IPPROTO_UDP)
- proto_string = frg::string<MemoryAllocator>("udp", getAllocator());
- else
- return NULL;
- } else {
- proto_string = frg::string<MemoryAllocator>(proto, getAllocator());
- }
- ret.s_proto = proto_string.data();
- proto_string.detach();
-
- return &ret;
-}
-
-struct servent *getservbyport(int port, const char *proto) {
- int iproto = -1;
- if (proto && (!strncmp(proto, "tcp", 3) || !strncmp(proto, "TCP", 3)))
- iproto = IPPROTO_TCP;
- else if (proto && (!strncmp(proto, "udp", 3) || !strncmp(proto, "UDP", 3)))
- iproto = IPPROTO_UDP;
-
- static struct servent ret;
- if (ret.s_name) {
- free(ret.s_name);
- ret.s_name = nullptr;
-
- for (char **alias = ret.s_aliases; *alias != NULL; alias++) {
- free(*alias);
- *alias = nullptr;
- }
-
- free(ret.s_proto);
- ret.s_proto = nullptr;
- }
-
- mlibc::service_result serv_buf{getAllocator()};
- int count = mlibc::lookup_serv_by_port(serv_buf, iproto, ntohs(port));
- if (count <= 0)
- return NULL;
-
- ret.s_name = serv_buf[0].name.data();
- serv_buf[0].name.detach();
-
- ret.s_aliases = reinterpret_cast<char**>(malloc((serv_buf[0].aliases.size() + 1) * sizeof(char*)));
- int alias_pos = 0;
- for (auto &buf_name : serv_buf[0].aliases) {
- ret.s_aliases[alias_pos] = buf_name.data();
- buf_name.detach();
- alias_pos++;
- }
- ret.s_aliases[alias_pos] = NULL;
-
- ret.s_port = port;
-
- auto proto_string = frg::string<MemoryAllocator>(getAllocator());
- if (!proto) {
- if (serv_buf[0].protocol == IPPROTO_TCP)
- proto_string = frg::string<MemoryAllocator>("tcp", getAllocator());
- else if (serv_buf[0].protocol == IPPROTO_UDP)
- proto_string = frg::string<MemoryAllocator>("udp", getAllocator());
- else
- return NULL;
- } else {
- proto_string = frg::string<MemoryAllocator>(proto, getAllocator());
- }
- ret.s_proto = proto_string.data();
- proto_string.detach();
-
- return &ret;
-}
-
-struct servent *getservent(void) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-void sethostent(int) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-void setnetent(int) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-void setprotoent(int) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-void setservent(int) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}
-
-const char *hstrerror(int) {
- __ensure(!"Not implemented");
- __builtin_unreachable();
-}