/* 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/>. * * Additional permission under GNU GPL version 3 section 7: * * If you modify this Program, or any covered work, by linking or * combining it with LibreSSL (or a modified version of that library), * containing parts covered by the terms of the OpenSSL License and the * original SSLeay license, the licensors of this Program grant you * additional permission to convey the resulting work. Corresponding * Source for a non-source form of such a combination shall include the * source code for the parts of LibreSSL used as well as that of the * covered work. */ #include <assert.h> #include <err.h> #include <limits.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include <sysexits.h> #include <time.h> #include "chat.h" bool logEnable; static struct { int year; int month; int day; FILE *file; } logs[IDCap]; static FILE *logFile(uint id, const struct tm *tm) { if ( logs[id].file && logs[id].year == tm->tm_year && logs[id].month == tm->tm_mon && logs[id].day == tm->tm_mday ) return logs[id].file; if (logs[id].file) { int error = fclose(logs[id].file); if (error) err(EX_IOERR, "%s", idNames[id]); } logs[id].year = tm->tm_year; logs[id].month = tm->tm_mon; logs[id].day = tm->tm_mday; char path[PATH_MAX] = "log"; size_t len = strlen(path); dataMkdir(""); dataMkdir(path); path[len++] = '/'; for (const char *ch = network.name; *ch; ++ch) { path[len++] = (*ch == '/' ? '_' : *ch); } path[len] = '\0'; dataMkdir(path); path[len++] = '/'; for (const char *ch = idNames[id]; *ch; ++ch) { path[len++] = (*ch == '/' ? '_' : *ch); } path[len] = '\0'; dataMkdir(path); strftime(&path[len], sizeof(path) - len, "/%F.log", tm); logs[id].file = dataOpen(path, "a"); if (!logs[id].file) exit(EX_CANTCREAT); setlinebuf(logs[id].file); return logs[id].file; } void logClose(void) { if (!logEnable) return; for (uint id = 0; id < IDCap; ++id) { if (!logs[id].file) continue; int error = fclose(logs[id].file); if (error) err(EX_IOERR, "%s", idNames[id]); } } void logFormat(uint id, const time_t *src, const char *format, ...) { if (!logEnable) return; time_t ts = (src ? *src : time(NULL)); struct tm *tm = localtime(&ts); if (!tm) err(EX_OSERR, "localtime"); FILE *file = logFile(id, tm); char buf[sizeof("0000-00-00T00:00:00+0000")]; strftime(buf, sizeof(buf), "%FT%T%z", tm); fprintf(file, "[%s] ", buf); if (ferror(file)) err(EX_IOERR, "%s", idNames[id]); va_list ap; va_start(ap, format); vfprintf(file, format, ap); va_end(ap); if (ferror(file)) err(EX_IOERR, "%s", idNames[id]); fprintf(file, "\n"); if (ferror(file)) err(EX_IOERR, "%s", idNames[id]); }