diff options
| -rw-r--r-- | libxtables/xtables.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libxtables/xtables.c b/libxtables/xtables.c index dc645162..479dbae0 100644 --- a/libxtables/xtables.c +++ b/libxtables/xtables.c @@ -776,6 +776,7 @@ xtables_find_match(const char *name, enum xtables_tryload tryload, struct xtables_match *ptr; const char *icmp6 = "icmp6"; bool found = false; + bool seen = false; if (strlen(name) >= XT_EXTENSION_MAXNAMELEN) xtables_error(PARAMETER_PROBLEM, @@ -794,6 +795,7 @@ xtables_find_match(const char *name, enum xtables_tryload tryload, if (extension_cmp(name, (*dptr)->name, (*dptr)->family)) { ptr = *dptr; *dptr = (*dptr)->next; + seen = true; if (!found && xtables_fully_register_pending_match(ptr, prev)) { found = true; @@ -807,6 +809,11 @@ xtables_find_match(const char *name, enum xtables_tryload tryload, dptr = &((*dptr)->next); } + if (seen && !found) + fprintf(stderr, + "Warning: Extension %s is not supported, missing kernel module?\n", + name); + for (ptr = xtables_matches; ptr; ptr = ptr->next) { if (extension_cmp(name, ptr->name, ptr->family)) { struct xtables_match *clone; @@ -899,6 +906,7 @@ xtables_find_target(const char *name, enum xtables_tryload tryload) struct xtables_target **dptr; struct xtables_target *ptr; bool found = false; + bool seen = false; /* Standard target? */ if (strcmp(name, "") == 0 @@ -917,6 +925,7 @@ xtables_find_target(const char *name, enum xtables_tryload tryload) if (extension_cmp(name, (*dptr)->name, (*dptr)->family)) { ptr = *dptr; *dptr = (*dptr)->next; + seen = true; if (!found && xtables_fully_register_pending_target(ptr, prev)) { found = true; @@ -930,6 +939,11 @@ xtables_find_target(const char *name, enum xtables_tryload tryload) dptr = &((*dptr)->next); } + if (seen && !found) + fprintf(stderr, + "Warning: Extension %s is not supported, missing kernel module?\n", + name); + for (ptr = xtables_targets; ptr; ptr = ptr->next) { if (extension_cmp(name, ptr->name, ptr->family)) { struct xtables_target *clone; |