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-rw-r--r--syslogd/proto.c194
1 files changed, 0 insertions, 194 deletions
diff --git a/syslogd/proto.c b/syslogd/proto.c
deleted file mode 100644
index 4ab2f47..0000000
--- a/syslogd/proto.c
+++ /dev/null
@@ -1,194 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * Copyright (C) 2018 - David Oberhollenzer
- *
- * 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 <stddef.h>
-#include <string.h>
-#include <ctype.h>
-#include <time.h>
-
-#include "syslogd.h"
-
-static const char *months[] = {
- "Jan", "Feb", "Mar", "Apr",
- "May", "Jun", "Jul", "Aug",
- "Sep", "Oct", "Nov", "Dec"
-};
-
-static const int days[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
-
-static int isleap(int year)
-{
- return ((year % 4 == 0) && (year % 100 != 0)) || ((year % 400) == 0);
-}
-
-static int mdays(int year, int month)
-{
- return (isleap(year) && month == 2) ? 29 : days[month - 1];
-}
-
-static char *read_num(char *str, int *out, int maxval)
-{
- if (str == NULL || !isdigit(*str))
- return NULL;
- for (*out = 0; isdigit(*str); ++str) {
- (*out) = (*out) * 10 + (*str) - '0';
- if ((*out) > maxval)
- return NULL;
- }
- return str;
-}
-
-static char *skip_space(char *str)
-{
- if (str == NULL || !isspace(*str))
- return NULL;
- while (isspace(*str))
- ++str;
- return str;
-}
-
-static char *read_date_bsd(char *str, struct tm *tm)
-{
- int year, month, day, hour, minute, second;
- time_t t;
-
- /* decode date */
- for (month = 0; month < 12; ++month) {
- if (strncmp(str, months[month], 3) == 0) {
- str = skip_space(str + 3);
- break;
- }
- }
-
- str = read_num(str, &day, 31);
- str = skip_space(str);
-
- t = time(NULL);
- if (localtime_r(&t, tm) == NULL)
- return NULL;
-
- year = tm->tm_year;
-
- /* sanity check */
- if (str == NULL || month >= 12 || day < 1)
- return NULL;
- if (month == 11 && tm->tm_mon == 0)
- --year;
- if (day > mdays(year + 1900, month + 1))
- return NULL;
-
- /* decode time */
- str = read_num(str, &hour, 23);
- if (str == NULL || *(str++) != ':')
- return NULL;
- str = read_num(str, &minute, 59);
- if (str == NULL || *(str++) != ':')
- return NULL;
- str = read_num(str, &second, 59);
- str = skip_space(str);
-
- /* store result */
- memset(tm, 0, sizeof(*tm));
- tm->tm_sec = second;
- tm->tm_min = minute;
- tm->tm_hour = hour;
- tm->tm_mday = day;
- tm->tm_mon = month;
- tm->tm_year = year;
- return str;
-}
-
-static char *decode_priority(char *str, int *priority)
-{
- while (isspace(*str))
- ++str;
- if (*(str++) != '<')
- return NULL;
- str = read_num(str, priority, 23 * 8 + 7);
- if (str == NULL || *(str++) != '>')
- return NULL;
- while (isspace(*str))
- ++str;
- return str;
-}
-
-int syslog_msg_parse(syslog_msg_t *msg, char *str)
-{
- char *ident, *ptr;
- struct tm tstamp;
- pid_t pid = 0;
- int priority;
- size_t len;
-
- memset(msg, 0, sizeof(*msg));
-
- str = decode_priority(str, &priority);
- if (str == NULL)
- return -1;
-
- msg->facility = priority >> 3;
- msg->level = priority & 0x07;
-
- str = read_date_bsd(str, &tstamp);
- if (str == NULL)
- return -1;
-
- ident = str;
- while (*str != '\0' && *str != ':')
- ++str;
-
- if (*str == ':') {
- *(str++) = '\0';
- while (isspace(*str))
- ++str;
-
- ptr = ident;
- while (*ptr != '[' && *ptr != '\0')
- ++ptr;
-
- if (*ptr == '[') {
- *(ptr++) = '\0';
-
- while (isdigit(*ptr))
- pid = pid * 10 + *(ptr++) - '0';
- }
- } else {
- ident = NULL;
- }
-
- if (ident != NULL && ident[0] == '\0')
- ident = NULL;
-
- msg->timestamp = mktime(&tstamp);
- msg->pid = pid;
- msg->ident = ident;
- msg->message = str;
-
- len = strlen(str);
- while (len > 0 && isspace(str[len - 1]))
- --len;
- str[len] = '\0';
-
- if (ident != NULL) {
- for (ptr = ident; *ptr != '\0'; ++ptr) {
- if (!isalnum(*ptr))
- *ptr = '_';
- }
- }
-
- return 0;
-}