m1ngsama 36464007e8 fix(security): implement buffer security enhancements ... - Replace all strcpy() calls with strncpy() to prevent buffer overflows - Add buffer overflow checking in client_printf() vsnprintf result - Implement UTF-8 sequence validation to prevent malformed input - Add utf8_is_valid_sequence() function with complete validation - Enhance read_username() with UTF-8 boundary checks - Add UTF-8 validation for message input handling These changes address: - Buffer overflow vulnerabilities (lines 178, 423, 510) - Insufficient vsnprintf() error checking (line 106) - Missing UTF-8 sequence validation (lines 156-171) Fixes prevent: - Buffer overflow attacks - Overlong UTF-8 encoding exploits - Invalid UTF-8 surrogates injection		2026-01-22 13:54:15 +08:00
..
.gitkeep	Initial commit	2025-07-01 09:00:00 +08:00
chat_room.h	Initial commit	2025-07-01 09:00:00 +08:00
common.h	Initial commit	2025-07-01 09:00:00 +08:00
message.h	Initial commit	2025-07-01 09:00:00 +08:00
ssh_server.h	Fix critical memory and concurrency bugs	2025-11-30 09:00:00 +08:00
tui.h	Replace telnet with SSH and fix full-screen display	2025-11-24 16:48:14 +08:00
utf8.h	fix(security): implement buffer security enhancements	2026-01-22 13:54:15 +08:00