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-rw-r--r--louloulibs/CMakeLists.txt11
-rw-r--r--louloulibs/cmake/Modules/FindGCRYPT.cmake35
-rw-r--r--louloulibs/louloulibs.h.cmake2
-rw-r--r--louloulibs/network/tcp_client_socket_handler.cpp6
-rw-r--r--louloulibs/utils/encoding.cpp4
-rw-r--r--louloulibs/utils/scopeguard.hpp6
-rw-r--r--louloulibs/utils/sha1.cpp151
-rw-r--r--louloulibs/utils/sha1.hpp34
-rw-r--r--louloulibs/utils/system.cpp21
-rw-r--r--louloulibs/utils/system.hpp8
-rw-r--r--louloulibs/utils/time.cpp2
-rw-r--r--louloulibs/xmpp/auth.cpp15
-rw-r--r--louloulibs/xmpp/jid.cpp76
-rw-r--r--louloulibs/xmpp/xmpp_component.cpp3
14 files changed, 190 insertions, 184 deletions
diff --git a/louloulibs/CMakeLists.txt b/louloulibs/CMakeLists.txt
index f672833..2268571 100644
--- a/louloulibs/CMakeLists.txt
+++ b/louloulibs/CMakeLists.txt
@@ -33,6 +33,10 @@ elseif(NOT WITHOUT_BOTAN)
find_package(BOTAN)
endif()
+if(NOT BOTAN_FOUND)
+ find_package(GCRYPT REQUIRED)
+endif()
+
if(WITH_UDNS)
find_package(UDNS REQUIRED)
elseif(NOT WITHOUT_UDNS)
@@ -67,6 +71,11 @@ if(BOTAN_FOUND)
set(BOTAN_FOUND ${BOTAN_FOUND} PARENT_SCOPE)
set(BOTAN_INCLUDE_DIRS ${BOTAN_INCLUDE_DIRS} PARENT_SCOPE)
endif()
+if(GCRYPT_FOUND)
+ include_directories(SYSTEM ${GCRYPT_INCLUDE_DIRS})
+ set(GCRYPT_FOUND ${GCRYPT_FOUND} PARENT_SCOPE)
+ set(GCRYPT_INCLUDE_DIRS ${GCRYPT_INCLUDE_DIRS} PARENT_SCOPE)
+endif()
if(UDNS_FOUND)
include_directories(${UDNS_INCLUDE_DIRS})
@@ -117,6 +126,8 @@ add_library(network STATIC ${source_network})
target_link_libraries(network logger)
if(BOTAN_FOUND)
target_link_libraries(network ${BOTAN_LIBRARIES})
+elseif(GCRYPT_FOUND)
+ target_link_libraries(network ${GCRYPT_LIBRARIES})
endif()
if(UDNS_FOUND)
target_link_libraries(network ${UDNS_LIBRARIES})
diff --git a/louloulibs/cmake/Modules/FindGCRYPT.cmake b/louloulibs/cmake/Modules/FindGCRYPT.cmake
new file mode 100644
index 0000000..bb1bc67
--- /dev/null
+++ b/louloulibs/cmake/Modules/FindGCRYPT.cmake
@@ -0,0 +1,35 @@
+# - Find gcrypt
+# Find the gcrypt cryptographic library
+#
+# This module defines the following variables:
+# GCRYPT_FOUND - True if library and include directory are found
+# If set to TRUE, the following are also defined:
+# GCRYPT_INCLUDE_DIRS - The directory where to find the header file
+# GCRYPT_LIBRARIES - Where to find the library file
+#
+# For conveniance, these variables are also set. They have the same values
+# than the variables above. The user can thus choose his/her prefered way
+# to write them.
+# GCRYPT_LIBRARY
+# GCRYPT_INCLUDE_DIR
+#
+# This file is in the public domain
+
+find_path(GCRYPT_INCLUDE_DIRS NAMES gcrypt.h
+ PATH_SUFFIXES gcrypt
+ DOC "The gcrypt include directory")
+
+find_library(GCRYPT_LIBRARIES NAMES gcrypt
+ DOC "The gcrypt library")
+
+# Use some standard module to handle the QUIETLY and REQUIRED arguments, and
+# set GCRYPT_FOUND to TRUE if these two variables are set.
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GCRYPT REQUIRED_VARS GCRYPT_LIBRARIES GCRYPT_INCLUDE_DIRS)
+
+if(GCRYPT_FOUND)
+ set(GCRYPT_LIBRARY ${GCRYPT_LIBRARIES})
+ set(GCRYPT_INCLUDE_DIR ${GCRYPT_INCLUDE_DIRS})
+endif()
+
+mark_as_advanced(GCRYPT_INCLUDE_DIRS GCRYPT_LIBRARIES)
diff --git a/louloulibs/louloulibs.h.cmake b/louloulibs/louloulibs.h.cmake
index ebb9b9a..5777d92 100644
--- a/louloulibs/louloulibs.h.cmake
+++ b/louloulibs/louloulibs.h.cmake
@@ -1,9 +1,9 @@
-#define SYSTEM_NAME "${CMAKE_SYSTEM}"
#cmakedefine ICONV_SECOND_ARGUMENT_IS_CONST
#cmakedefine LIBIDN_FOUND
#cmakedefine SYSTEMD_FOUND
#cmakedefine POLLER ${POLLER}
#cmakedefine BOTAN_FOUND
+#cmakedefine GCRYPT_FOUND
#cmakedefine UDNS_FOUND
#cmakedefine SOFTWARE_VERSION "${SOFTWARE_VERSION}"
#cmakedefine PROJECT_NAME "${PROJECT_NAME}"
diff --git a/louloulibs/network/tcp_client_socket_handler.cpp b/louloulibs/network/tcp_client_socket_handler.cpp
index 4e6445c..530c3d9 100644
--- a/louloulibs/network/tcp_client_socket_handler.cpp
+++ b/louloulibs/network/tcp_client_socket_handler.cpp
@@ -35,7 +35,11 @@ void TCPClientSocketHandler::init_socket(const struct addrinfo* rp)
// Convert the address from string format to a sockaddr that can be
// used in bind()
struct addrinfo* result;
- int err = ::getaddrinfo(this->bind_addr.data(), nullptr, nullptr, &result);
+ struct addrinfo hints;
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_flags = AI_NUMERICHOST;
+ hints.ai_family = AF_UNSPEC;
+ int err = ::getaddrinfo(this->bind_addr.data(), nullptr, &hints, &result);
if (err != 0 || !result)
log_error("Failed to bind socket to ", this->bind_addr, ": ",
gai_strerror(err));
diff --git a/louloulibs/utils/encoding.cpp b/louloulibs/utils/encoding.cpp
index 087095f..aa91dac 100644
--- a/louloulibs/utils/encoding.cpp
+++ b/louloulibs/utils/encoding.cpp
@@ -152,7 +152,7 @@ namespace utils
throw std::runtime_error("Cannot convert into UTF-8");
// Make sure cd is always closed when we leave this function
- const auto sg = utils::make_scope_guard([&cd](auto&&){ iconv_close(cd); });
+ const auto sg = utils::make_scope_guard([&cd](){ iconv_close(cd); });
size_t inbytesleft = str.size();
@@ -169,7 +169,7 @@ namespace utils
char* outbuf_ptr = outbuf;
// Make sure outbuf is always deleted when we leave this function
- const auto sg2 = utils::make_scope_guard([outbuf](auto&&){ delete[] outbuf; });
+ const auto sg2 = utils::make_scope_guard([outbuf](){ delete[] outbuf; });
bool done = false;
while (done == false)
diff --git a/louloulibs/utils/scopeguard.hpp b/louloulibs/utils/scopeguard.hpp
index cd0e89e..e697fc3 100644
--- a/louloulibs/utils/scopeguard.hpp
+++ b/louloulibs/utils/scopeguard.hpp
@@ -87,9 +87,11 @@ private:
};
template<typename F>
-auto make_scope_guard(F&& f)
+auto make_scope_guard(F f)
{
- return std::unique_ptr<void, std::decay_t<F>>{(void*)1, std::forward<F>(f)};
+ static struct Empty {} empty;
+ auto deleter = [f = std::move(f)](Empty*) { f(); };
+ return std::unique_ptr<Empty, decltype(deleter)>{&empty, std::move(deleter)};
}
}
diff --git a/louloulibs/utils/sha1.cpp b/louloulibs/utils/sha1.cpp
index f75bc2a..71ad18d 100644
--- a/louloulibs/utils/sha1.cpp
+++ b/louloulibs/utils/sha1.cpp
@@ -1,121 +1,32 @@
-/* This code is public-domain - it is based on libcrypt
- * placed in the public domain by Wei Dai and other contributors.
- */
-
-#include "sha1.hpp"
-
-#define SHA1_K0 0x5a827999
-#define SHA1_K20 0x6ed9eba1
-#define SHA1_K40 0x8f1bbcdc
-#define SHA1_K60 0xca62c1d6
-
-const uint8_t sha1InitState[] = {
- 0x01,0x23,0x45,0x67, // H0
- 0x89,0xab,0xcd,0xef, // H1
- 0xfe,0xdc,0xba,0x98, // H2
- 0x76,0x54,0x32,0x10, // H3
- 0xf0,0xe1,0xd2,0xc3 // H4
-};
-
-void sha1_init(sha1nfo *s) {
- memcpy(s->state.b,sha1InitState,HASH_LENGTH);
- s->byteCount = 0;
- s->bufferOffset = 0;
-}
-
-uint32_t sha1_rol32(uint32_t number, uint8_t bits) {
- return ((number << bits) | (number >> (32-bits)));
-}
-
-void sha1_hashBlock(sha1nfo *s) {
- uint8_t i;
- uint32_t a,b,c,d,e,t;
-
- a=s->state.w[0];
- b=s->state.w[1];
- c=s->state.w[2];
- d=s->state.w[3];
- e=s->state.w[4];
- for (i=0; i<80; i++) {
- if (i>=16) {
- t = s->buffer.w[(i+13)&15] ^ s->buffer.w[(i+8)&15] ^ s->buffer.w[(i+2)&15] ^ s->buffer.w[i&15];
- s->buffer.w[i&15] = sha1_rol32(t,1);
- }
- if (i<20) {
- t = (d ^ (b & (c ^ d))) + SHA1_K0;
- } else if (i<40) {
- t = (b ^ c ^ d) + SHA1_K20;
- } else if (i<60) {
- t = ((b & c) | (d & (b | c))) + SHA1_K40;
- } else {
- t = (b ^ c ^ d) + SHA1_K60;
- }
- t+=sha1_rol32(a,5) + e + s->buffer.w[i&15];
- e=d;
- d=c;
- c=sha1_rol32(b,30);
- b=a;
- a=t;
- }
- s->state.w[0] += a;
- s->state.w[1] += b;
- s->state.w[2] += c;
- s->state.w[3] += d;
- s->state.w[4] += e;
-}
-
-void sha1_addUncounted(sha1nfo *s, uint8_t data) {
- s->buffer.b[s->bufferOffset ^ 3] = data;
- s->bufferOffset++;
- if (s->bufferOffset == BLOCK_LENGTH) {
- sha1_hashBlock(s);
- s->bufferOffset = 0;
- }
-}
-
-void sha1_writebyte(sha1nfo *s, uint8_t data) {
- ++s->byteCount;
- sha1_addUncounted(s, data);
-}
-
-void sha1_write(sha1nfo *s, const char *data, size_t len) {
- for (;len--;) sha1_writebyte(s, (uint8_t) *data++);
-}
-
-void sha1_pad(sha1nfo *s) {
- // Implement SHA-1 padding (fips180-2 §5.1.1)
-
- // Pad with 0x80 followed by 0x00 until the end of the block
- sha1_addUncounted(s, 0x80);
- while (s->bufferOffset != 56) sha1_addUncounted(s, 0x00);
-
- // Append length in the last 8 bytes
- sha1_addUncounted(s, 0); // We're only using 32 bit lengths
- sha1_addUncounted(s, 0); // But SHA-1 supports 64 bit lengths
- sha1_addUncounted(s, 0); // So zero pad the top bits
- sha1_addUncounted(s, s->byteCount >> 29); // Shifting to multiply by 8
- sha1_addUncounted(s, s->byteCount >> 21); // as SHA-1 supports bitstreams as well as
- sha1_addUncounted(s, s->byteCount >> 13); // byte.
- sha1_addUncounted(s, s->byteCount >> 5);
- sha1_addUncounted(s, s->byteCount << 3);
-}
-
-uint8_t* sha1_result(sha1nfo *s) {
- int i;
- // Pad to complete the last block
- sha1_pad(s);
-
- // Swap byte order back
- for (i=0; i<5; i++) {
- uint32_t a,b;
- a=s->state.w[i];
- b=a<<24;
- b|=(a<<8) & 0x00ff0000;
- b|=(a>>8) & 0x0000ff00;
- b|=a>>24;
- s->state.w[i]=b;
- }
-
- // Return pointer to hash (20 characters)
- return s->state.b;
+#include <utils/sha1.hpp>
+
+#include <louloulibs.h>
+
+#ifdef BOTAN_FOUND
+# include <botan/hash.h>
+# include <botan/hex.h>
+#endif
+#ifdef GCRYPT_FOUND
+# include <gcrypt.h>
+# include <vector>
+# include <iomanip>
+# include <sstream>
+#endif
+
+std::string sha1(const std::string& input)
+{
+#ifdef BOTAN_FOUND
+ auto sha1 = Botan::HashFunction::create_or_throw("SHA-1");
+ sha1->update(input);
+ return Botan::hex_encode(sha1->final(), false);
+#endif
+#ifdef GCRYPT_FOUND
+ const auto hash_length = gcry_md_get_algo_dlen(GCRY_MD_SHA1);
+ std::vector<uint8_t> output(hash_length, {});
+ gcry_md_hash_buffer(GCRY_MD_SHA1, output.data(), input.data(), input.size());
+ std::ostringstream digest;
+ for (std::size_t i = 0; i < hash_length; i++)
+ digest << std::hex << std::setfill('0') << std::setw(2) << static_cast<int>(output[i]);
+ return digest.str();
+#endif
}
diff --git a/louloulibs/utils/sha1.hpp b/louloulibs/utils/sha1.hpp
index d436782..6c551ac 100644
--- a/louloulibs/utils/sha1.hpp
+++ b/louloulibs/utils/sha1.hpp
@@ -1,33 +1,5 @@
-/* This code is public-domain - it is based on libcrypt
- * placed in the public domain by Wei Dai and other contributors.
- */
+#pragma once
-#include <stdint.h>
-#include <string.h>
+#include <string>
-#define HASH_LENGTH 20
-#define BLOCK_LENGTH 64
-
-union _buffer {
- uint8_t b[BLOCK_LENGTH];
- uint32_t w[BLOCK_LENGTH/4];
-};
-
-union _state {
- uint8_t b[HASH_LENGTH];
- uint32_t w[HASH_LENGTH/4];
-};
-
-typedef struct sha1nfo {
- union _buffer buffer;
- uint8_t bufferOffset;
- union _state state;
- uint32_t byteCount;
- uint8_t keyBuffer[BLOCK_LENGTH];
- uint8_t innerHash[HASH_LENGTH];
-} sha1nfo;
-
-void sha1_init(sha1nfo *s);
-void sha1_writebyte(sha1nfo *s, uint8_t data);
-void sha1_write(sha1nfo *s, const char *data, size_t len);
-uint8_t* sha1_result(sha1nfo *s);
+std::string sha1(const std::string& input);
diff --git a/louloulibs/utils/system.cpp b/louloulibs/utils/system.cpp
new file mode 100644
index 0000000..c0bee11
--- /dev/null
+++ b/louloulibs/utils/system.cpp
@@ -0,0 +1,21 @@
+#include <logger/logger.hpp>
+#include <utils/system.hpp>
+#include <sys/utsname.h>
+#include <cstring>
+
+using namespace std::string_literals;
+
+namespace utils
+{
+std::string get_system_name()
+{
+ struct utsname uts;
+ const int res = ::uname(&uts);
+ if (res == -1)
+ {
+ log_error("uname failed: ", std::strerror(errno));
+ return "Unknown";
+ }
+ return uts.sysname + " "s + uts.release;
+}
+} \ No newline at end of file
diff --git a/louloulibs/utils/system.hpp b/louloulibs/utils/system.hpp
new file mode 100644
index 0000000..7ea1677
--- /dev/null
+++ b/louloulibs/utils/system.hpp
@@ -0,0 +1,8 @@
+#pragma once
+
+#include <string>
+
+namespace utils
+{
+std::string get_system_name();
+} \ No newline at end of file
diff --git a/louloulibs/utils/time.cpp b/louloulibs/utils/time.cpp
index e3c49ed..e9f3943 100644
--- a/louloulibs/utils/time.cpp
+++ b/louloulibs/utils/time.cpp
@@ -24,7 +24,7 @@ std::time_t parse_datetime(const std::string& stamp)
std::tm t = {};
#ifdef HAS_GET_TIME
std::istringstream ss(stamp);
- ss.imbue(std::locale("en_US.UTF-8"));
+ ss.imbue(std::locale("C"));
std::string timezone;
ss >> std::get_time(&t, format) >> timezone;
diff --git a/louloulibs/xmpp/auth.cpp b/louloulibs/xmpp/auth.cpp
index c20f95d..8a34a4e 100644
--- a/louloulibs/xmpp/auth.cpp
+++ b/louloulibs/xmpp/auth.cpp
@@ -2,20 +2,7 @@
#include <utils/sha1.hpp>
-#include <iomanip>
-#include <sstream>
-
std::string get_handshake_digest(const std::string& stream_id, const std::string& secret)
{
- sha1nfo sha1;
- sha1_init(&sha1);
- sha1_write(&sha1, stream_id.data(), stream_id.size());
- sha1_write(&sha1, secret.data(), secret.size());
- const uint8_t* result = sha1_result(&sha1);
-
- std::ostringstream digest;
- for (int i = 0; i < HASH_LENGTH; i++)
- digest << std::hex << std::setfill('0') << std::setw(2) << static_cast<int>(result[i]);
-
- return digest.str();
+ return sha1(stream_id + secret);
}
diff --git a/louloulibs/xmpp/jid.cpp b/louloulibs/xmpp/jid.cpp
index 7b62f3e..46e01ea 100644
--- a/louloulibs/xmpp/jid.cpp
+++ b/louloulibs/xmpp/jid.cpp
@@ -6,6 +6,11 @@
#include <louloulibs.h>
#ifdef LIBIDN_FOUND
#include <stringprep.h>
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netdb.h>
+ #include <utils/scopeguard.hpp>
+ #include <set>
#endif
#include <logger/logger.hpp>
@@ -58,19 +63,68 @@ std::string jidprep(const std::string& original)
char domain[max_jid_part_len] = {};
memcpy(domain, jid.domain.data(), std::min(max_jid_part_len, jid.domain.size()));
- rc = static_cast<Stringprep_rc>(::stringprep(domain, max_jid_part_len,
- static_cast<Stringprep_profile_flags>(0), stringprep_nameprep));
- if (rc != STRINGPREP_OK)
+
{
- log_error(error_msg + stringprep_strerror(rc));
- return "";
+ // Using getaddrinfo, check if the domain part is a valid IPv4 (then use
+ // it as is), or IPv6 (surround it with []), or a domain name (run
+ // nameprep)
+ struct addrinfo hints;
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_flags = AI_NUMERICHOST;
+ hints.ai_family = AF_UNSPEC;
+
+ struct addrinfo* addr_res = nullptr;
+ const auto ret = ::getaddrinfo(domain, nullptr, &hints, &addr_res);
+ auto addrinfo_deleter = utils::make_scope_guard([addr_res] { if (addr_res) freeaddrinfo(addr_res); });
+ if (ret || !addr_res || (addr_res->ai_family != AF_INET && addr_res->ai_family != AF_INET6))
+ { // Not an IP, run nameprep on it
+ rc = static_cast<Stringprep_rc>(::stringprep(domain, max_jid_part_len,
+ static_cast<Stringprep_profile_flags>(0), stringprep_nameprep));
+ if (rc != STRINGPREP_OK)
+ {
+ log_error(error_msg + stringprep_strerror(rc));
+ return "";
+ }
+
+ // Make sure it contains only allowed characters
+ using std::begin;
+ using std::end;
+ char* domain_end = domain + ::strlen(domain);
+ std::replace_if(std::begin(domain), domain + ::strlen(domain),
+ [](const char c) -> bool
+ {
+ return !((c >= 'a' && c <= 'z') || c == '-' ||
+ (c >= '0' && c <= '9') || c == '.');
+ }, '-');
+ // Make sure there are no doubled - or .
+ std::set<char> special_chars{'-', '.'};
+ domain_end = std::unique(begin(domain), domain + ::strlen(domain), [&special_chars](const char& a, const char& b) -> bool
+ {
+ return special_chars.count(a) && special_chars.count(b);
+ });
+ // remove leading and trailing -. if any
+ if (domain_end != domain && special_chars.count(*(domain_end - 1)))
+ --domain_end;
+ if (domain_end != domain && special_chars.count(domain[0]))
+ {
+ std::memmove(domain, domain + 1, domain_end - domain + 1);
+ --domain_end;
+ }
+ // And if the final result is an empty string, return a dummy hostname
+ if (domain_end == domain)
+ ::strcpy(domain, "empty");
+ else
+ *domain_end = '\0';
+ }
+ else if (addr_res->ai_family == AF_INET6)
+ { // IPv6, surround it with []. The length is always enough:
+ // the longest possible IPv6 is way shorter than max_jid_part_len
+ ::memmove(domain + 1, domain, jid.domain.size());
+ domain[0] = '[';
+ domain[jid.domain.size() + 1] = ']';
+ }
}
- std::replace_if(std::begin(domain), domain + ::strlen(domain),
- [](const char c) -> bool
- {
- return !((c >= 'a' && c <= 'z') || c == '-' ||
- (c >= '0' && c <= '9') || c == '.');
- }, '-');
+
// If there is no resource, stop here
if (jid.resource.empty())
diff --git a/louloulibs/xmpp/xmpp_component.cpp b/louloulibs/xmpp/xmpp_component.cpp
index e1b6131..e40b1e4 100644
--- a/louloulibs/xmpp/xmpp_component.cpp
+++ b/louloulibs/xmpp/xmpp_component.cpp
@@ -5,6 +5,7 @@
#include <xmpp/xmpp_component.hpp>
#include <config/config.hpp>
+#include <utils/system.hpp>
#include <utils/time.hpp>
#include <xmpp/auth.hpp>
#include <xmpp/jid.hpp>
@@ -585,7 +586,7 @@ void XmppComponent::send_version(const std::string& id, const std::string& jid_t
}
{
XmlSubNode os(query, "os");
- os.set_inner(SYSTEM_NAME);
+ os.set_inner(utils::get_system_name());
}
}
else
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 18:17:53 +0000