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Merge pull request #20 from m1ngsama/fix/edge-cases-and-robustness

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Fix edge cases in message loading and network I/O
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m1ngsama 2026-04-19 17:38:51 +08:00 committed by GitHub
commit 83e964028a
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2 changed files with 8 additions and 4 deletions
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2
src/message.c
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@ -61,7 +61,7 @@ int message_load(message_t **messages, int max_messages) {
}
long file_size = ftell(fp);
if (file_size == 0) {
if (file_size <= 0) {
fclose(fp);
*messages = msg_array;
return 0;

10
src/ssh_server.c
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@ -195,8 +195,10 @@ static ip_rate_limit_t* get_rate_limit_entry(const char *ip) {
oldest_idx = i;
}
}
fprintf(stderr, "Warning: rate-limit table full, evicting active IP %s\n",
g_rate_limits[oldest_idx].ip);
fprintf(stderr, "Warning: rate-limit table full, evicting active IP %s "
"(%d active connections lost)\n",
g_rate_limits[oldest_idx].ip,
g_rate_limits[oldest_idx].active_connections);
}
/* Reset and reuse */
@ -488,7 +490,9 @@ int client_send(client_t *client, const char *data, size_t len) {
}
while (total < len) {
int sent = ssh_channel_write(client->channel, data + total, len - total);
size_t remaining = len - total;
uint32_t chunk = (remaining > 32768) ? 32768 : (uint32_t)remaining;
int sent = ssh_channel_write(client->channel, data + total, chunk);
if (sent <= 0) {
pthread_mutex_unlock(&client->io_lock);
return -1;