diff options
Diffstat (limited to 'ebtables.c')
| -rw-r--r-- | ebtables.c | 13 |
1 files changed, 10 insertions, 3 deletions
@@ -605,6 +605,13 @@ int do_command(int argc, char *argv[], int exec_style, if (optarg && (optarg[0] == '-' || !strcmp(optarg, "!"))) ebt_print_error2("No chain name specified"); if (c == 'N') { + if (ebt_get_chainnr(replace, optarg) != -1) + ebt_print_error2("Chain %s already exists", optarg); + else if (ebt_find_target(optarg)) + ebt_print_error2("Target with name %s exists", optarg); + else if (strlen(optarg) >= EBT_CHAIN_MAXNAMELEN) + ebt_print_error2("Chain name length can't exceed %d", + EBT_CHAIN_MAXNAMELEN - 1); ebt_new_chain(replace, optarg, EBT_ACCEPT); /* This is needed to get -N x -P y working */ replace->selected_chain = ebt_get_chainnr(replace, optarg); @@ -895,10 +902,10 @@ big_iface_length: new_entry->cnt.pcnt = strtoull(optarg, &buffer, 10); if (*buffer != '\0') - ebt_print_error2("Packet counter '%s' invalid", optarg) + ebt_print_error2("Packet counter '%s' invalid", optarg); new_entry->cnt.bcnt = strtoull(argv[optind], &buffer, 10); if (*buffer != '\0') - ebt_print_error2("Packet counter '%s' invalid", argv[optind]) + ebt_print_error2("Packet counter '%s' invalid", argv[optind]); optind++; break; } @@ -919,7 +926,7 @@ big_iface_length: } ent = getethertypebyname(optarg); if (!ent) - ebt_print_error2("Problem with the specified Ethernet protocol '%s', perhaps "_PATH_ETHERTYPES " is missing", optarg) + ebt_print_error2("Problem with the specified Ethernet protocol '%s', perhaps "_PATH_ETHERTYPES " is missing", optarg); new_entry->ethproto = ent->e_ethertype; } else new_entry->ethproto = i; |