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author | June McEnroe <june@causal.agency> | 2020-03-31 14:30:42 -0400 |
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committer | June McEnroe <june@causal.agency> | 2020-03-31 14:30:42 -0400 |
commit | 25f419465f019feedb7266cb68232d1b32a66957 (patch) | |
tree | 67dffcc716ad457967f884cb25f448de27634f64 /ignore.c | |
parent | Save and load buffer line heat (diff) | |
download | test-25f419465f019feedb7266cb68232d1b32a66957.tar.gz test-25f419465f019feedb7266cb68232d1b32a66957.zip |
Add /ignore message filtering patterns
Diffstat (limited to '')
-rw-r--r-- | ignore.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/ignore.c b/ignore.c new file mode 100644 index 0000000..5c14b7d --- /dev/null +++ b/ignore.c @@ -0,0 +1,73 @@ +/* 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] ? 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; +} |