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v0.7.15 - Fixed race condition in subscription management causing intermittent core dumps and format truncation warning

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2025-10-14 11:34:55 -04:00
parent 670329700c
commit 29680f0ee8
8 changed files with 77 additions and 53 deletions
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24
src/websockets.c
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@@ -516,8 +516,28 @@ static int nostr_relay_callback(struct lws *wsi, enum lws_callback_reasons reaso
if (event_kind == 23456) {
if (admin_result != 0) {
char error_result_msg[512];
snprintf(error_result_msg, sizeof(error_result_msg),
"ERROR: Kind %d event processing failed: %s", event_kind, admin_error);
if (admin_error && strlen(admin_error) > 0) {
// Safely truncate admin_error if too long
size_t max_error_len = sizeof(error_result_msg) - 50; // Leave room for prefix
size_t error_len = strlen(admin_error);
if (error_len > max_error_len) {
error_len = max_error_len;
}
char truncated_error[512];
memcpy(truncated_error, admin_error, error_len);
truncated_error[error_len] = '\0';
// Use a safer approach to avoid truncation warning
size_t prefix_len = snprintf(error_result_msg, sizeof(error_result_msg),
"ERROR: Kind %d event processing failed: ", event_kind);
if (prefix_len < sizeof(error_result_msg)) {
size_t remaining = sizeof(error_result_msg) - prefix_len;
strncat(error_result_msg, truncated_error, remaining - 1);
}
} else {
snprintf(error_result_msg, sizeof(error_result_msg),
"ERROR: Kind %d event processing failed", event_kind);
}
DEBUG_ERROR(error_result_msg);
}
}