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/* Copyright (C) 2020 C. McEnroe <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <err.h>
#include <fnmatch.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include "chat.h"
struct Ignore ignore;
const char *ignoreAdd(const char *pattern) {
if (ignore.len == IgnoreCap) errx(EX_CONFIG, "ignore limit exceeded");
uint ex = 0, sp = 0;
for (const char *ch = pattern; *ch; ++ch) {
if (*ch == '!') ex++;
if (*ch == ' ') sp++;
}
char **dest = &ignore.patterns[ignore.len++];
if (!ex && !sp) {
asprintf(dest, "%s!*@* * *", pattern);
} else if (sp < 1) {
asprintf(dest, "%s * *", pattern);
} else if (sp < 2) {
asprintf(dest, "%s *", pattern);
} else {
*dest = strdup(pattern);
}
if (!*dest) err(EX_OSERR, "strdup");
return *dest;
}
bool ignoreRemove(const char *pattern) {
bool found = false;
for (size_t i = 0; i < ignore.len; ++i) {
if (strcasecmp(ignore.patterns[i], pattern)) continue;
free(ignore.patterns[i]);
ignore.patterns[i] = ignore.patterns[--ignore.len];
found = true;
}
return found;
}
enum Heat ignoreCheck(enum Heat heat, const struct Message *msg) {
char match[512];
snprintf(
match, sizeof(match), "%s!%s@%s %s %s",
msg->nick, msg->user, msg->host, msg->cmd, (msg->params[0] ?: "")
);
for (size_t i = 0; i < ignore.len; ++i) {
if (fnmatch(ignore.patterns[i], match, FNM_CASEFOLD)) continue;
return Ice;
}
return heat;
}
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