hanez
3b97b4d902
Phase 1: Incoming Protocol-Level Protection - Added MAX_LINES_PER_POLL = 50 constant to limit lines processed per poll iteration in irc_feed(), preventing burst flooding. - Added poll_lines_left counter to Session struct, reset each poll cycle. - Changed RateLimitEntry to track by user@host instead of nick, preventing trivial bypass via nick cycling. - Parse userhost from IRC prefix (nick!user@host) in irc_handle(). - Added violation tracking to RateLimitEntry for escalating penalties. Phase 2: Outgoing Message Throttling - Added OUTGOING_DELAY_MS = 100 constant for minimum delay between sends. - Modified net_send() with timestamp-based throttling using clock_gettime(). - Added 200ms delay between lines in !gitlog output (cmd_gitlog.h). - Added 150ms delay between AI response chunks (ai.h). Phase 3: Rate Limit Improvements - Increased RATE_LIMIT_MAX from 8 to 32 for larger tracking buffer. - Added TELL_DELIVER_MAX = 5 to limit messages per nick delivery. - Added AI_COOLDOWN_SECS = 5 to prevent rapid AI query re-submission. Phase 4: Command-Specific Fixes - Added rate_limit_check() to cmd_greeting_or_chat.h for casual chat. - Limited tell_deliver() to 5 messages per nick, excess stays queued. - Added 5-second cooldown after AI query completion before next query. Files modified: zynk.h, zynk.c, irc.h, net.h, ai.h, db.h, and all 19 command header files to pass current_userhost to rate_limit_check().
53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
#ifndef CMD_TELL_H
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#define CMD_TELL_H
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#include "zynk.h"
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/*
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* cmd_tell - Handle the "!tell <nick> <message>" command.
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*
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* Stores a pending message in the tell table to be delivered to the
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* target nick when they next speak. Validates that the sender is not
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* trying to tell themselves something. Confirms with "Ok, I'll tell
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* <nick> when they're around." Rate-limited.
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*
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* Parameters:
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* s - The IRC session.
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* msg - The raw IRC message text.
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* reply_target - Channel or nick to send the response to.
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* src_nick - The nick of the user who issued the command.
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*
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* Returns: 1 if the command was matched, 0 otherwise.
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*/
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int cmd_tell(Session *s, const char *msg, const char *reply_target, const char *src_nick) {
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if (strncmp(msg, "!tell", 5) != 0) return 0;
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if (msg[5] != ' ') return 0;
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if (rate_limit_check(src_nick, reply_target, current_userhost) < 0) return 1;
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const char *rest = msg + 6;
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while (*rest == ' ') rest++;
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if (!*rest) {
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irc_reply(s, reply_target, src_nick, "Usage: !tell <nick> <message>");
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return 1;
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}
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char target[32];
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int i = 0;
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while (*rest && *rest != ' ' && i < 31) target[i++] = *rest++;
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target[i] = 0;
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while (*rest == ' ') rest++;
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if (!*rest) {
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irc_reply(s, reply_target, src_nick, "Usage: !tell <nick> <message>");
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return 1;
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}
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if (strcasecmp(target, src_nick) == 0) {
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irc_reply(s, reply_target, src_nick, "You can't tell yourself something!");
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return 1;
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}
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tell_add(src_nick, target, rest);
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char resp[256];
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snprintf(resp, sizeof resp, "Ok, I'll tell %s when they're around.", target);
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irc_reply(s, reply_target, src_nick, resp);
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log_stamp(); fprintf(stderr, CLR_CYAN "TELL %s from %s in %s:" CLR_RESET " -> %s: %s\n", reply_target, src_nick, reply_target, target, rest);
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return 1;
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}
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#endif
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