X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fiptables.c;h=09ffda0bfa3cfd7f2d60da4666fc8f446d2ee174;hb=3cca3e91adaca218338bbf0ec8b678fe14e93206;hp=fe5fcd3293a20f2fbad4812a6450b6281e32d4e5;hpb=250dc17bfb3c5488b789347f1f570913701d31ca;p=collectd.git diff --git a/src/iptables.c b/src/iptables.c index fe5fcd32..09ffda0b 100644 --- a/src/iptables.c +++ b/src/iptables.c @@ -1,6 +1,7 @@ /** * collectd - src/iptables.c * Copyright (C) 2007 Sjoerd van der Berg + * Copyright (C) 2007 Florian octo Forster * * 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 @@ -18,6 +19,7 @@ * * Authors: * Sjoerd van der Berg + * Florian Forster **/ #include "collectd.h" @@ -107,25 +109,23 @@ static int iptables_config (const char *key, const char *value) table = fields[0]; chain = fields[1]; - table_len = strlen (table); - if ((unsigned int)table_len >= sizeof(temp.table)) + table_len = strlen (table) + 1; + if ((unsigned int)table_len > sizeof(temp.table)) { ERROR ("Table `%s' too long.", table); free (value_copy); return (1); } - strncpy (temp.table, table, table_len); - temp.table[table_len] = '\0'; + sstrncpy (temp.table, table, table_len); - chain_len = strlen (chain); - if ((unsigned int)chain_len >= sizeof(temp.chain)) + chain_len = strlen (chain) + 1; + if ((unsigned int)chain_len > sizeof(temp.chain)) { ERROR ("Chain `%s' too long.", chain); free (value_copy); return (1); } - strncpy (temp.chain, chain, chain_len); - temp.chain[chain_len] = '\0'; + sstrncpy (temp.chain, chain, chain_len); if (fields_num >= 3) { @@ -154,7 +154,7 @@ static int iptables_config (const char *key, const char *value) } if (fields_num >= 4) - strncpy (temp.name, fields[3], sizeof (temp.name) - 1); + sstrncpy (temp.name, fields[3], sizeof (temp.name)); free (value_copy); value_copy = NULL; @@ -221,34 +221,35 @@ static int submit_match (const struct ipt_entry_match *match, vl.values = values; vl.values_len = 1; vl.time = time (NULL); - strcpy (vl.host, hostname_g); - strcpy (vl.plugin, "iptables"); + sstrncpy (vl.host, hostname_g, sizeof (vl.host)); + sstrncpy (vl.plugin, "iptables", sizeof (vl.plugin)); - status = snprintf (vl.plugin_instance, sizeof (vl.plugin_instance), + status = ssnprintf (vl.plugin_instance, sizeof (vl.plugin_instance), "%s-%s", chain->table, chain->chain); if ((status < 1) || ((unsigned int)status >= sizeof (vl.plugin_instance))) return (0); if (chain->name[0] != '\0') { - strncpy (vl.type_instance, chain->name, sizeof (vl.type_instance)); + sstrncpy (vl.type_instance, chain->name, sizeof (vl.type_instance)); } else { if (chain->rule_type == RTYPE_NUM) - snprintf (vl.type_instance, sizeof (vl.type_instance), + ssnprintf (vl.type_instance, sizeof (vl.type_instance), "%i", chain->rule.num); else - strncpy (vl.type_instance, (char *) match->data, + sstrncpy (vl.type_instance, (char *) match->data, sizeof (vl.type_instance)); } - vl.type_instance[sizeof (vl.type_instance) - 1] = '\0'; + sstrncpy (vl.type, "ipt_bytes", sizeof (vl.type)); values[0].counter = (counter_t) entry->counters.bcnt; - plugin_dispatch_values ("ipt_bytes", &vl); + plugin_dispatch_values (&vl); + sstrncpy (vl.type, "ipt_packets", sizeof (vl.type)); values[0].counter = (counter_t) entry->counters.pcnt; - plugin_dispatch_values ("ipt_packets", &vl); + plugin_dispatch_values (&vl); return (0); } /* void submit_match */