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https://github.com/meshcore-dev/MeshCore.git
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Merge branch 'dev' into trace
# Conflicts: # examples/companion_radio/main.cpp # src/Dispatcher.cpp
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@@ -247,9 +247,9 @@ void BaseChatMesh::onAckRecv(mesh::Packet* packet, uint32_t ack_crc) {
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#ifdef MAX_GROUP_CHANNELS
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int BaseChatMesh::searchChannelsByHash(const uint8_t* hash, mesh::GroupChannel dest[], int max_matches) {
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int n = 0;
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for (int i = 0; i < num_channels && n < max_matches; i++) {
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if (channels[i].hash[0] == hash[0]) {
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dest[n++] = channels[i];
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for (int i = 0; i < MAX_GROUP_CHANNELS && n < max_matches; i++) {
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if (channels[i].channel.hash[0] == hash[0]) {
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dest[n++] = channels[i].channel;
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}
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}
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return n;
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@@ -651,24 +651,61 @@ bool BaseChatMesh::removeContact(ContactInfo& contact) {
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#ifdef MAX_GROUP_CHANNELS
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#include <base64.hpp>
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mesh::GroupChannel* BaseChatMesh::addChannel(const char* psk_base64) {
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ChannelDetails* BaseChatMesh::addChannel(const char* name, const char* psk_base64) {
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if (num_channels < MAX_GROUP_CHANNELS) {
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auto dest = &channels[num_channels];
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memset(dest->secret, 0, sizeof(dest->secret));
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int len = decode_base64((unsigned char *) psk_base64, strlen(psk_base64), dest->secret);
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memset(dest->channel.secret, 0, sizeof(dest->channel.secret));
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int len = decode_base64((unsigned char *) psk_base64, strlen(psk_base64), dest->channel.secret);
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if (len == 32 || len == 16) {
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mesh::Utils::sha256(dest->hash, sizeof(dest->hash), dest->secret, len);
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mesh::Utils::sha256(dest->channel.hash, sizeof(dest->channel.hash), dest->channel.secret, len);
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StrHelper::strncpy(dest->name, name, sizeof(dest->name));
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num_channels++;
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return dest;
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}
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}
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return NULL;
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}
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bool BaseChatMesh::getChannel(int idx, ChannelDetails& dest) {
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if (idx >= 0 && idx < MAX_GROUP_CHANNELS) {
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dest = channels[idx];
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return true;
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}
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return false;
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}
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bool BaseChatMesh::setChannel(int idx, const ChannelDetails& src) {
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static uint8_t zeroes[] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 };
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if (idx >= 0 && idx < MAX_GROUP_CHANNELS) {
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channels[idx] = src;
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if (memcmp(&src.channel.secret[16], zeroes, 16) == 0) {
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mesh::Utils::sha256(channels[idx].channel.hash, sizeof(channels[idx].channel.hash), src.channel.secret, 16); // 128-bit key
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} else {
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mesh::Utils::sha256(channels[idx].channel.hash, sizeof(channels[idx].channel.hash), src.channel.secret, 32); // 256-bit key
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}
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return true;
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}
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return false;
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}
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int BaseChatMesh::findChannelIdx(const mesh::GroupChannel& ch) {
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for (int i = 0; i < MAX_GROUP_CHANNELS; i++) {
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if (memcmp(ch.secret, channels[i].channel.secret, sizeof(ch.secret)) == 0) return i;
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}
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return -1; // not found
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}
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#else
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mesh::GroupChannel* BaseChatMesh::addChannel(const char* psk_base64) {
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ChannelDetails* BaseChatMesh::addChannel(const char* name, const char* psk_base64) {
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return NULL; // not supported
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}
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bool BaseChatMesh::getChannel(int idx, ChannelDetails& dest) {
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return false;
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}
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bool BaseChatMesh::setChannel(int idx, const ChannelDetails& src) {
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return false;
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}
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int BaseChatMesh::findChannelIdx(const mesh::GroupChannel& ch) {
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return -1; // not found
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}
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#endif
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ContactsIterator BaseChatMesh::startContactsIterator() {
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