void
plugins_init(const char *path)
{
char *plugins_path;
lt_dladvise advise;
if (path && !strcmp(path, "none")) {
return;
}
if (!(plugins_path = path ? xstrdup(path) : xstrdup(ovs_pluginsdir()))) {
VLOG_ERR("Failed to allocate plugins path");
return;
}
if (lt_dlinit() ||
lt_dlsetsearchpath(plugins_path) ||
lt_dladvise_init(&advise)) {
VLOG_ERR("ltdl initializations: %s", lt_dlerror());
goto err_init;
}
if (!(interface_id = lt_dlinterface_register("ovs-plugin", NULL))) {
VLOG_ERR("lt_dlinterface_register: %s", lt_dlerror());
goto err_interface_register;
}
if (lt_dladvise_global(&advise) || lt_dladvise_ext (&advise) ||
lt_dlforeachfile(lt_dlgetsearchpath(), &plugins_open_plugin, &advise)) {
VLOG_ERR("ltdl setting advise: %s", lt_dlerror());
goto err_set_advise;
}
VLOG_INFO("Successfully initialized all plugins");
return;
err_set_advise:
lt_dlinterface_free(interface_id);
err_interface_register:
if (lt_dladvise_destroy(&advise)) {
VLOG_ERR("destroying ltdl advise%s", lt_dlerror());
return;
}
err_init:
free(plugins_path);
}
/*
* Load all available modules. Return nonzero on failure.
*/
int stp_module_load(void)
{
/* initialise libltdl */
#ifdef USE_LTDL
static int ltdl_is_initialised = 0; /* Is libltdl initialised? */
#endif
static int module_list_is_initialised = 0; /* Is the module list initialised? */
#if defined(USE_LTDL) || defined(USE_DLOPEN)
stp_list_t *dir_list; /* List of directories to scan */
stp_list_t *file_list; /* List of modules to open */
stp_list_item_t *file; /* Pointer to current module */
#endif
#ifdef USE_LTDL
if (!ltdl_is_initialised)
{
if (lt_dlinit())
{
stp_erprintf("Error initialising libltdl: %s\n", DLERROR());
return 1;
}
ltdl_is_initialised = 1;
}
/* set default search paths */
lt_dladdsearchdir(PKGMODULEDIR);
#endif
/* initialise module_list */
if (!module_list_is_initialised)
{
if (!(module_list = stp_list_create()))
return 1;
stp_list_set_freefunc(module_list, module_list_freefunc);
module_list_is_initialised = 1;
}
/* search for available modules */
#if defined (USE_LTDL) || defined (USE_DLOPEN)
if (!(dir_list = stp_list_create()))
return 1;
stp_list_set_freefunc(dir_list, stp_list_node_free_data);
if (getenv("STP_MODULE_PATH"))
{
stp_path_split(dir_list, getenv("STP_MODULE_PATH"));
}
else
{
#ifdef USE_LTDL
stp_path_split(dir_list, getenv("LTDL_LIBRARY_PATH"));
stp_path_split(dir_list, lt_dlgetsearchpath());
#else
stp_path_split(dir_list, PKGMODULEDIR);
#endif
}
#ifdef USE_LTDL
file_list = stp_path_search(dir_list, ".la");
#else
file_list = stp_path_search(dir_list, ".so");
#endif
stp_list_destroy(dir_list);
/* load modules */
file = stp_list_get_start(file_list);
while (file)
{
stp_module_open((const char *) stp_list_item_get_data(file));
file = stp_list_item_next(file);
}
stp_list_destroy(file_list);
#else /* use a static module list */
{
int i=0;
while (static_modules[i])
{
stp_module_register(static_modules[i]);
i++;
}
}
#endif
return 0;
}
/*
* Parse the module config sections, and load
* and call each module's init() function.
*
* Libtool makes your life a LOT easier, especially with libltdl.
* see: http://www.gnu.org/software/libtool/
*/
int setup_modules(void)
{
int comp;
CONF_SECTION *cs;
/*
* FIXME: This should be pulled from somewhere else.
*/
const char *filename="radiusd.conf";
/*
* No current list of modules: Go initialize libltdl.
*/
if (!module_list) {
/*
* Set the default list of preloaded symbols.
* This is used to initialize libltdl's list of
* preloaded modules.
*
* i.e. Static modules.
*/
LTDL_SET_PRELOADED_SYMBOLS();
if (lt_dlinit() != 0) {
radlog(L_ERR|L_CONS, "Failed to initialize libraries: %s\n",
lt_dlerror());
exit(1); /* FIXME */
}
/*
* Set the search path to ONLY our library directory.
* This prevents the modules from being found from
* any location on the disk.
*/
lt_dlsetsearchpath(radlib_dir);
DEBUG2("Module: Library search path is %s",
lt_dlgetsearchpath());
/*
* Initialize the components.
*/
for (comp = 0; comp < RLM_COMPONENT_COUNT; comp++) {
components[comp] = NULL;
}
} else {
detach_modules();
}
/*
* Create any DICT_VALUE's for the types. See
* 'doc/configurable_failover' for examples of 'authtype'
* used to create new Auth-Type values. In order to
* let the user create new names, we've got to look for
* those names, and create DICT_VALUE's for them.
*/
for (comp = 0; section_type_value[comp].section != NULL; comp++) {
const char *name2;
DICT_ATTR *dattr;
DICT_VALUE *dval;
CONF_SECTION *sub, *next;
CONF_PAIR *cp;
/*
* Big-time YUCK
*/
static int my_value = 32767;
cs = cf_section_find(section_type_value[comp].section);
if (!cs) continue;
sub = NULL;
do {
/*
* See if there's a sub-section by that
* name.
*/
next = cf_subsection_find_next(cs, sub,
section_type_value[comp].typename);
/*
* Allow some old names, too.
*/
if (!next && (comp <= 4)) {
next = cf_subsection_find_next(cs, sub,
old_section_type_value[comp].typename);
}
sub = next;
/*
* If so, look for it to define a new
* value.
*/
name2 = cf_section_name2(sub);
if (!name2) continue;
/*
* If the value already exists, don't
* create it again.
*/
dval = dict_valbyname(section_type_value[comp].attr,
name2);
if (dval) continue;
/*
* Find the attribute for the value.
*/
dattr = dict_attrbyvalue(section_type_value[comp].attr);
if (!dattr) continue;
/*
* Finally, create the new attribute.
*/
if (dict_addvalue(name2, dattr->name, my_value++) < 0) {
radlog(L_ERR, "%s", librad_errstr);
exit(1);
}
} while (sub != NULL);
/*
* Loop over the non-sub-sections, too.
*/
cp = NULL;
do {
/*
* See if there's a conf-pair by that
* name.
*/
cp = cf_pair_find_next(cs, cp, NULL);
if (!cp) break;
/*
* If the value already exists, don't
* create it again.
*/
name2 = cf_pair_attr(cp);
dval = dict_valbyname(section_type_value[comp].attr,
name2);
if (dval) continue;
/*
* Find the attribute for the value.
*/
dattr = dict_attrbyvalue(section_type_value[comp].attr);
if (!dattr) continue;
/*
* Finally, create the new attribute.
*/
if (dict_addvalue(name2, dattr->name, my_value++) < 0) {
radlog(L_ERR, "%s", librad_errstr);
exit(1);
}
} while (cp != NULL);
} /* over the sections which can have redundent sub-sections */
int pa__init(pa_module*m) {
struct userdata *u;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma;
char *t;
pa_sink *master;
pa_sink_input_new_data sink_input_data;
pa_sink_new_data sink_data;
const char *plugin, *label, *input_ladspaport_map, *output_ladspaport_map;
LADSPA_Descriptor_Function descriptor_func;
unsigned long input_ladspaport[PA_CHANNELS_MAX], output_ladspaport[PA_CHANNELS_MAX];
const char *e, *cdata;
const LADSPA_Descriptor *d;
unsigned long p, h, j, n_control, c;
pa_bool_t *use_default = NULL;
pa_assert(m);
pa_assert_cc(sizeof(LADSPA_Data) == sizeof(float));
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments.");
goto fail;
}
if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "master", NULL), PA_NAMEREG_SINK))) {
pa_log("Master sink not found");
goto fail;
}
ss = master->sample_spec;
ss.format = PA_SAMPLE_FLOAT32;
map = master->channel_map;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
pa_log("Invalid sample format specification or channel map");
goto fail;
}
if (!(plugin = pa_modargs_get_value(ma, "plugin", NULL))) {
pa_log("Missing LADSPA plugin name");
goto fail;
}
if (!(label = pa_modargs_get_value(ma, "label", NULL))) {
pa_log("Missing LADSPA plugin label");
goto fail;
}
if (!(input_ladspaport_map = pa_modargs_get_value(ma, "input_ladspaport_map", NULL)))
pa_log_debug("Using default input ladspa port mapping");
if (!(output_ladspaport_map = pa_modargs_get_value(ma, "output_ladspaport_map", NULL)))
pa_log_debug("Using default output ladspa port mapping");
cdata = pa_modargs_get_value(ma, "control", NULL);
u = pa_xnew0(struct userdata, 1);
u->module = m;
m->userdata = u;
u->memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL);
u->max_ladspaport_count = 1; /*to avoid division by zero etc. in pa__done when failing before this value has been set*/
u->channels = 0;
u->input = NULL;
u->output = NULL;
if (!(e = getenv("LADSPA_PATH")))
e = LADSPA_PATH;
/* FIXME: This is not exactly thread safe */
t = pa_xstrdup(lt_dlgetsearchpath());
lt_dlsetsearchpath(e);
m->dl = lt_dlopenext(plugin);
lt_dlsetsearchpath(t);
pa_xfree(t);
if (!m->dl) {
pa_log("Failed to load LADSPA plugin: %s", lt_dlerror());
goto fail;
}
if (!(descriptor_func = (LADSPA_Descriptor_Function) pa_load_sym(m->dl, NULL, "ladspa_descriptor"))) {
pa_log("LADSPA module lacks ladspa_descriptor() symbol.");
goto fail;
}
for (j = 0;; j++) {
if (!(d = descriptor_func(j))) {
pa_log("Failed to find plugin label '%s' in plugin '%s'.", label, plugin);
goto fail;
}
if (strcmp(d->Label, label) == 0)
break;
}
u->descriptor = d;
pa_log_debug("Module: %s", plugin);
pa_log_debug("Label: %s", d->Label);
pa_log_debug("Unique ID: %lu", d->UniqueID);
pa_log_debug("Name: %s", d->Name);
pa_log_debug("Maker: %s", d->Maker);
pa_log_debug("Copyright: %s", d->Copyright);
n_control = 0;
u->channels = ss.channels;
/*
* Enumerate ladspa ports
* Default mapping is in order given by the plugin
*/
for (p = 0; p < d->PortCount; p++) {
if (LADSPA_IS_PORT_AUDIO(d->PortDescriptors[p])) {
if (LADSPA_IS_PORT_INPUT(d->PortDescriptors[p])) {
pa_log_debug("Port %lu is input: %s", p, d->PortNames[p]);
input_ladspaport[u->input_count] = p;
u->input_count++;
} else if (LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p])) {
pa_log_debug("Port %lu is output: %s", p, d->PortNames[p]);
output_ladspaport[u->output_count] = p;
u->output_count++;
}
} else if (LADSPA_IS_PORT_CONTROL(d->PortDescriptors[p]) && LADSPA_IS_PORT_INPUT(d->PortDescriptors[p])) {
pa_log_debug("Port %lu is control: %s", p, d->PortNames[p]);
n_control++;
} else
pa_log_debug("Ignored port %s", d->PortNames[p]);
/* XXX: Has anyone ever seen an in-place plugin with non-equal number of input and output ports? */
/* Could be if the plugin is for up-mixing stereo to 5.1 channels */
/* Or if the plugin is down-mixing 5.1 to two channel stereo or binaural encoded signal */
if (u->input_count > u->max_ladspaport_count)
u->max_ladspaport_count = u->input_count;
else
u->max_ladspaport_count = u->output_count;
}
if (u->channels % u->max_ladspaport_count) {
pa_log("Cannot handle non-integral number of plugins required for given number of channels");
goto fail;
}
pa_log_debug("Will run %lu plugin instances", u->channels / u->max_ladspaport_count);
/* Parse data for input ladspa port map */
if (input_ladspaport_map) {
const char *state = NULL;
char *pname;
c = 0;
while ((pname = pa_split(input_ladspaport_map, ",", &state))) {
if (c == u->input_count) {
pa_log("Too many ports in input ladspa port map");
goto fail;
}
for (p = 0; p < d->PortCount; p++) {
if (strcmp(d->PortNames[p], pname) == 0) {
if (LADSPA_IS_PORT_AUDIO(d->PortDescriptors[p]) && LADSPA_IS_PORT_INPUT(d->PortDescriptors[p])) {
input_ladspaport[c] = p;
} else {
pa_log("Port %s is not an audio input ladspa port", pname);
pa_xfree(pname);
goto fail;
}
}
}
c++;
pa_xfree(pname);
}
}
/* Parse data for output port map */
if (output_ladspaport_map) {
const char *state = NULL;
char *pname;
c = 0;
while ((pname = pa_split(output_ladspaport_map, ",", &state))) {
if (c == u->output_count) {
pa_log("Too many ports in output ladspa port map");
goto fail;
}
for (p = 0; p < d->PortCount; p++) {
if (strcmp(d->PortNames[p], pname) == 0) {
if (LADSPA_IS_PORT_AUDIO(d->PortDescriptors[p]) && LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p])) {
output_ladspaport[c] = p;
} else {
pa_log("Port %s is not an output ladspa port", pname);
pa_xfree(pname);
goto fail;
}
}
}
c++;
pa_xfree(pname);
}
}
u->block_size = pa_frame_align(pa_mempool_block_size_max(m->core->mempool), &ss);
/* Create buffers */
if (LADSPA_IS_INPLACE_BROKEN(d->Properties)) {
u->input = (LADSPA_Data**) pa_xnew(LADSPA_Data*, (unsigned) u->input_count);
for (c = 0; c < u->input_count; c++)
u->input[c] = (LADSPA_Data*) pa_xnew(uint8_t, (unsigned) u->block_size);
u->output = (LADSPA_Data**) pa_xnew(LADSPA_Data*, (unsigned) u->output_count);
for (c = 0; c < u->output_count; c++)
u->output[c] = (LADSPA_Data*) pa_xnew(uint8_t, (unsigned) u->block_size);
} else {
int pa__init(pa_module*m) {
struct userdata *u;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma;
char *t;
pa_sink *master;
pa_sink_input_new_data sink_input_data;
pa_sink_new_data sink_data;
const char *plugin, *label;
LADSPA_Descriptor_Function descriptor_func;
const char *e, *cdata;
const LADSPA_Descriptor *d;
unsigned long input_port, output_port, p, j, n_control;
unsigned c;
pa_bool_t *use_default = NULL;
pa_assert(m);
pa_assert_cc(sizeof(LADSPA_Data) == sizeof(float));
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments.");
goto fail;
}
if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "master", NULL), PA_NAMEREG_SINK))) {
pa_log("Master sink not found");
goto fail;
}
ss = master->sample_spec;
ss.format = PA_SAMPLE_FLOAT32;
map = master->channel_map;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
pa_log("Invalid sample format specification or channel map");
goto fail;
}
if (!(plugin = pa_modargs_get_value(ma, "plugin", NULL))) {
pa_log("Missing LADSPA plugin name");
goto fail;
}
if (!(label = pa_modargs_get_value(ma, "label", NULL))) {
pa_log("Missing LADSPA plugin label");
goto fail;
}
cdata = pa_modargs_get_value(ma, "control", NULL);
u = pa_xnew0(struct userdata, 1);
u->module = m;
m->userdata = u;
u->memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL);
if (!(e = getenv("LADSPA_PATH")))
e = LADSPA_PATH;
/* FIXME: This is not exactly thread safe */
t = pa_xstrdup(lt_dlgetsearchpath());
lt_dlsetsearchpath(e);
m->dl = lt_dlopenext(plugin);
lt_dlsetsearchpath(t);
pa_xfree(t);
if (!m->dl) {
pa_log("Failed to load LADSPA plugin: %s", lt_dlerror());
goto fail;
}
if (!(descriptor_func = (LADSPA_Descriptor_Function) pa_load_sym(m->dl, NULL, "ladspa_descriptor"))) {
pa_log("LADSPA module lacks ladspa_descriptor() symbol.");
goto fail;
}
for (j = 0;; j++) {
if (!(d = descriptor_func(j))) {
pa_log("Failed to find plugin label '%s' in plugin '%s'.", label, plugin);
goto fail;
}
if (strcmp(d->Label, label) == 0)
break;
}
u->descriptor = d;
pa_log_debug("Module: %s", plugin);
pa_log_debug("Label: %s", d->Label);
pa_log_debug("Unique ID: %lu", d->UniqueID);
pa_log_debug("Name: %s", d->Name);
pa_log_debug("Maker: %s", d->Maker);
pa_log_debug("Copyright: %s", d->Copyright);
input_port = output_port = (unsigned long) -1;
n_control = 0;
for (p = 0; p < d->PortCount; p++) {
if (LADSPA_IS_PORT_INPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_AUDIO(d->PortDescriptors[p])) {
if (strcmp(d->PortNames[p], "Input") == 0) {
pa_assert(input_port == (unsigned long) -1);
input_port = p;
} else {
pa_log("Found audio input port on plugin we cannot handle: %s", d->PortNames[p]);
goto fail;
}
} else if (LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_AUDIO(d->PortDescriptors[p])) {
if (strcmp(d->PortNames[p], "Output") == 0) {
pa_assert(output_port == (unsigned long) -1);
output_port = p;
} else {
pa_log("Found audio output port on plugin we cannot handle: %s", d->PortNames[p]);
goto fail;
}
} else if (LADSPA_IS_PORT_INPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_CONTROL(d->PortDescriptors[p]))
n_control++;
else {
pa_assert(LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_CONTROL(d->PortDescriptors[p]));
pa_log_debug("Ignored control output port \"%s\".", d->PortNames[p]);
}
}
if ((input_port == (unsigned long) -1) || (output_port == (unsigned long) -1)) {
pa_log("Failed to identify input and output ports. "
"Right now this module can only deal with plugins which provide an 'Input' and an 'Output' audio port. "
"Patches welcome!");
goto fail;
}
u->block_size = pa_frame_align(pa_mempool_block_size_max(m->core->mempool), &ss);
u->input = (LADSPA_Data*) pa_xnew(uint8_t, (unsigned) u->block_size);
if (LADSPA_IS_INPLACE_BROKEN(d->Properties))
u->output = (LADSPA_Data*) pa_xnew(uint8_t, (unsigned) u->block_size);
else
u->output = u->input;
u->channels = ss.channels;
for (c = 0; c < ss.channels; c++) {
if (!(u->handle[c] = d->instantiate(d, ss.rate))) {
pa_log("Failed to instantiate plugin %s with label %s for channel %i", plugin, d->Label, c);
goto fail;
}
d->connect_port(u->handle[c], input_port, u->input);
d->connect_port(u->handle[c], output_port, u->output);
}
if (!cdata && n_control > 0) {
pa_log("This plugin requires specification of %lu control parameters.", n_control);
goto fail;
}
if (n_control > 0) {
const char *state = NULL;
char *k;
unsigned long h;
u->control = pa_xnew(LADSPA_Data, (unsigned) n_control);
use_default = pa_xnew(pa_bool_t, (unsigned) n_control);
p = 0;
while ((k = pa_split(cdata, ",", &state)) && p < n_control) {
double f;
if (*k == 0) {
use_default[p++] = TRUE;
pa_xfree(k);
continue;
}
if (pa_atod(k, &f) < 0) {
pa_log("Failed to parse control value '%s'", k);
pa_xfree(k);
goto fail;
}
pa_xfree(k);
use_default[p] = FALSE;
u->control[p++] = (LADSPA_Data) f;
}
/* The previous loop doesn't take the last control value into account
if it is left empty, so we do it here. */
if (*cdata == 0 || cdata[strlen(cdata) - 1] == ',') {
if (p < n_control)
use_default[p] = TRUE;
p++;
}
if (p > n_control || k) {
pa_log("Too many control values passed, %lu expected.", n_control);
pa_xfree(k);
goto fail;
}
if (p < n_control) {
pa_log("Not enough control values passed, %lu expected, %lu passed.", n_control, p);
goto fail;
}
h = 0;
for (p = 0; p < d->PortCount; p++) {
LADSPA_PortRangeHintDescriptor hint = d->PortRangeHints[p].HintDescriptor;
if (!LADSPA_IS_PORT_CONTROL(d->PortDescriptors[p]))
continue;
if (LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p])) {
for (c = 0; c < ss.channels; c++)
d->connect_port(u->handle[c], p, &u->control_out);
continue;
}
pa_assert(h < n_control);
if (use_default[h]) {
LADSPA_Data lower, upper;
if (!LADSPA_IS_HINT_HAS_DEFAULT(hint)) {
pa_log("Control port value left empty but plugin defines no default.");
goto fail;
}
lower = d->PortRangeHints[p].LowerBound;
upper = d->PortRangeHints[p].UpperBound;
if (LADSPA_IS_HINT_SAMPLE_RATE(hint)) {
lower *= (LADSPA_Data) ss.rate;
upper *= (LADSPA_Data) ss.rate;
}
switch (hint & LADSPA_HINT_DEFAULT_MASK) {
case LADSPA_HINT_DEFAULT_MINIMUM:
u->control[h] = lower;
break;
case LADSPA_HINT_DEFAULT_MAXIMUM:
u->control[h] = upper;
break;
case LADSPA_HINT_DEFAULT_LOW:
if (LADSPA_IS_HINT_LOGARITHMIC(hint))
u->control[h] = (LADSPA_Data) exp(log(lower) * 0.75 + log(upper) * 0.25);
else
u->control[h] = (LADSPA_Data) (lower * 0.75 + upper * 0.25);
break;
case LADSPA_HINT_DEFAULT_MIDDLE:
if (LADSPA_IS_HINT_LOGARITHMIC(hint))
u->control[h] = (LADSPA_Data) exp(log(lower) * 0.5 + log(upper) * 0.5);
else
u->control[h] = (LADSPA_Data) (lower * 0.5 + upper * 0.5);
break;
case LADSPA_HINT_DEFAULT_HIGH:
if (LADSPA_IS_HINT_LOGARITHMIC(hint))
u->control[h] = (LADSPA_Data) exp(log(lower) * 0.25 + log(upper) * 0.75);
else
u->control[h] = (LADSPA_Data) (lower * 0.25 + upper * 0.75);
break;
case LADSPA_HINT_DEFAULT_0:
u->control[h] = 0;
break;
case LADSPA_HINT_DEFAULT_1:
u->control[h] = 1;
break;
case LADSPA_HINT_DEFAULT_100:
u->control[h] = 100;
break;
case LADSPA_HINT_DEFAULT_440:
u->control[h] = 440;
break;
default:
pa_assert_not_reached();
}
}
if (LADSPA_IS_HINT_INTEGER(hint))
u->control[h] = roundf(u->control[h]);
pa_log_debug("Binding %f to port %s", u->control[h], d->PortNames[p]);
for (c = 0; c < ss.channels; c++)
d->connect_port(u->handle[c], p, &u->control[h]);
h++;
}
pa_assert(h == n_control);
}
if (d->activate)
for (c = 0; c < u->channels; c++)
d->activate(u->handle[c]);
/* Create sink */
pa_sink_new_data_init(&sink_data);
sink_data.driver = __FILE__;
sink_data.module = m;
if (!(sink_data.name = pa_xstrdup(pa_modargs_get_value(ma, "sink_name", NULL))))
sink_data.name = pa_sprintf_malloc("%s.ladspa", master->name);
pa_sink_new_data_set_sample_spec(&sink_data, &ss);
pa_sink_new_data_set_channel_map(&sink_data, &map);
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, master->name);
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_CLASS, "filter");
pa_proplist_sets(sink_data.proplist, "device.ladspa.module", plugin);
pa_proplist_sets(sink_data.proplist, "device.ladspa.label", d->Label);
pa_proplist_sets(sink_data.proplist, "device.ladspa.name", d->Name);
pa_proplist_sets(sink_data.proplist, "device.ladspa.maker", d->Maker);
pa_proplist_sets(sink_data.proplist, "device.ladspa.copyright", d->Copyright);
pa_proplist_setf(sink_data.proplist, "device.ladspa.unique_id", "%lu", (unsigned long) d->UniqueID);
if (pa_modargs_get_proplist(ma, "sink_properties", sink_data.proplist, PA_UPDATE_REPLACE) < 0) {
pa_log("Invalid properties");
pa_sink_new_data_done(&sink_data);
goto fail;
}
if ((u->auto_desc = !pa_proplist_contains(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION))) {
const char *z;
z = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION);
pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "LADSPA Plugin %s on %s", d->Name, z ? z : master->name);
}
u->sink = pa_sink_new(m->core, &sink_data,
PA_SINK_HW_MUTE_CTRL|PA_SINK_HW_VOLUME_CTRL|PA_SINK_DECIBEL_VOLUME|
(master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY)));
pa_sink_new_data_done(&sink_data);
if (!u->sink) {
pa_log("Failed to create sink.");
goto fail;
}
u->sink->parent.process_msg = sink_process_msg_cb;
u->sink->set_state = sink_set_state_cb;
u->sink->update_requested_latency = sink_update_requested_latency_cb;
u->sink->request_rewind = sink_request_rewind_cb;
u->sink->set_volume = sink_set_volume_cb;
u->sink->set_mute = sink_set_mute_cb;
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, master->asyncmsgq);
/* Create sink input */
pa_sink_input_new_data_init(&sink_input_data);
sink_input_data.driver = __FILE__;
sink_input_data.module = m;
sink_input_data.sink = master;
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "LADSPA Stream");
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "filter");
pa_sink_input_new_data_set_sample_spec(&sink_input_data, &ss);
pa_sink_input_new_data_set_channel_map(&sink_input_data, &map);
pa_sink_input_new(&u->sink_input, m->core, &sink_input_data);
pa_sink_input_new_data_done(&sink_input_data);
if (!u->sink_input)
goto fail;
u->sink_input->pop = sink_input_pop_cb;
u->sink_input->process_rewind = sink_input_process_rewind_cb;
u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
u->sink_input->update_max_request = sink_input_update_max_request_cb;
u->sink_input->update_sink_latency_range = sink_input_update_sink_latency_range_cb;
u->sink_input->update_sink_fixed_latency = sink_input_update_sink_fixed_latency_cb;
u->sink_input->kill = sink_input_kill_cb;
u->sink_input->attach = sink_input_attach_cb;
u->sink_input->detach = sink_input_detach_cb;
u->sink_input->state_change = sink_input_state_change_cb;
u->sink_input->may_move_to = sink_input_may_move_to_cb;
u->sink_input->moving = sink_input_moving_cb;
u->sink_input->volume_changed = sink_input_volume_changed_cb;
u->sink_input->mute_changed = sink_input_mute_changed_cb;
u->sink_input->userdata = u;
pa_sink_put(u->sink);
pa_sink_input_put(u->sink_input);
pa_modargs_free(ma);
pa_xfree(use_default);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
pa_xfree(use_default);
pa__done(m);
return -1;
}
static
globus_result_t
globus_l_extension_dlopen(
const char * name,
lt_dlhandle * handle)
{
char library[1024];
lt_dlhandle dlhandle;
char * path;
char * basename;
char * search_path = NULL;
char * save_path = NULL;
globus_result_t result = GLOBUS_SUCCESS;
GlobusFuncName(globus_l_extension_dlopen);
path = globus_libc_strdup(name);
if(path && (basename = strrchr(path, '/')))
{
*basename = 0;
if(basename == path)
{
/* ignore root dir */
name = path + 1;
}
else if(*(basename + 1) == 0)
{
/* ignore trailing slashes */
name = path;
}
else
{
name = basename + 1;
if(globus_l_globus_location)
{
/* if globus_location is not set, then it's likely I won't
* find the library
*/
search_path = globus_common_create_string(
"%s/%s", globus_l_globus_location, path);
}
}
}
globus_l_libtool_mutex_lock();
if(search_path || globus_l_globus_location)
{
if((save_path = (char *) lt_dlgetsearchpath()))
{
/* libtool frees this pointer before setting the next one */
save_path = globus_libc_strdup(save_path);
}
lt_dlsetsearchpath(
search_path ? search_path : globus_l_globus_location);
}
snprintf(library, 1024, "lib%s", name);
library[1023] = 0;
dlhandle = lt_dlopenext(library);
if(!dlhandle)
{
/* older libtools dont search the extensions correctly */
snprintf(library, 1024, "lib%s" MY_LIB_EXT, name);
library[1023] = 0;
dlhandle = lt_dlopenext(library);
}
#if USE_SYMBOL_LABELS
if (!dlhandle)
{
snprintf(library, 1024, "lib%s_%s",
name,
(sizeof(long) == 8) ? "gcc64pthr" : "gcc32pthr");
library[1023] = 0;
dlhandle = lt_dlopenext(library);
if(!dlhandle)
{
/* older libtools dont search the extensions correctly */
snprintf(library, 1024, "lib%s_%s" MY_LIB_EXT, name,
(sizeof(long) == 8) ? "gcc64pthr" : "gcc32pthr");
library[1023] = 0;
dlhandle = lt_dlopenext(library);
}
}
#endif
if(!dlhandle)
{
const char * error;
error = lt_dlerror();
GlobusExtensionDebugPrintf(
GLOBUS_L_EXTENSION_DEBUG_DLL,
(_GCSL("[%s] Couldn't dlopen %s in %s (or LD_LIBRARY_PATH): %s\n"),
_globus_func_name, library,
search_path ? search_path : globus_l_globus_location
? globus_l_globus_location : "(default)",
error ? error : "(null)"));
result = globus_error_put(
globus_error_construct_error(
GLOBUS_EXTENSION_MODULE,
NULL,
GLOBUS_EXTENSION_ERROR_OPEN_FAILED,
__FILE__,
_globus_func_name,
__LINE__,
"Couldn't dlopen %s in %s (or LD_LIBRARY_PATH): %s\n",
library,
(search_path ? search_path :
(globus_l_globus_location ?
globus_l_globus_location :
"(default)")),
error ? error : "(null)"));
}
if(search_path || globus_l_globus_location)
{
lt_dlsetsearchpath(save_path);
if(save_path)
{
globus_free(save_path);
}
}
globus_l_libtool_mutex_unlock();
if(search_path)
{
globus_free(search_path);
}
if(path)
{
globus_free(path);
}
*handle = dlhandle;
return result;
}
/**
* initializeScanRules
*
* this reads in the rules definition file for identifying the playload.
* It compiles the regular
* expressions and loads in the dynamic libraries as defined for later use
*
* @param scriptFile a file pointer to the rule definition file
*
*/
gboolean
ycInitializeScanRules (
FILE * scriptFile,
GError ** err)
{
/*
// for every rule that is "imagined" can be returned on a single call to
pcre_exec, you need to multiply that number by 6 for the correct number of
"vector" entries (and because of pcre limitation should be a multiple of 3)
*/
#define NUM_SUBSTRING_VECTS 60
const char *errorString;
int errorPos;
char eString[ESTRING_SIZE];
pcre *ruleScanner;
pcre *pluginScanner;
pcre *commentScanner;
pcre *pluginArgScanner;
pcre *signatureScanner;
const char commentScannerExp[] = "^\\s*#[^\\n]*\\n";
const char pluginScannerExp[] =
"^[[:space:]]*label[[:space:]]+([[:digit:]]+)"
"[[:space:]]+plugin[[:space:]]*([^[:space:]\\n].*)\\n";
const char ruleScannerExp[] =
"^[[:space:]]*label[[:space:]]+([[:digit:]]+)"
"[[:space:]]+regex[[:space:]]*([^\\n].*)\\n";
const char signatureScannerExp[] =
"^[[:space:]]*label[[:space:]]+([[:digit:]]+)"
"[[:space:]]+signature[[:space:]]*([^\\n].*)\\n";
const char pluginArgScannerExp[] = "[[:word:]]";
int rc;
int substringVects[NUM_SUBSTRING_VECTS];
char lineBuffer[LINE_BUF_SIZE];
int readLength;
char *captString;
unsigned int bufferOffset = 0;
int currentStartPos = 0;
int loop;
char *ltdl_lib_path = NULL;
/* first mark all plugin entries as empty, just in case */
for (loop = 0; loop < MAX_PAYLOAD_RULES; loop++) {
ruleTable[loop].ruleType = EMPTY;
}
/* initialize the hash table */
ycPortHashInitialize();
/* initialize the dynamic loader library */
rc = lt_dlinit();
if (0 != rc) {
*err = g_error_new (YAF_ERROR_DOMAIN, YAF_ERROR_IMPL,
"error initializing the dynamic loader library: \"%s\"",
lt_dlerror ());
return FALSE;
}
/* if LTDL_LIBRARY_PATH is set - add this one first */
ltdl_lib_path = getenv("LTDL_LIBRARY_PATH");
if (ltdl_lib_path) {
lt_dladdsearchdir(ltdl_lib_path);
}
#ifdef YAF_APPLABEL_PATH
/* add the applabel path based on libdir at build time */
lt_dladdsearchdir(YAF_APPLABEL_PATH);
#else
/* add /usr/local/lib/yaf to path since libtool can never find it */
lt_dladdsearchdir(YAF_SEARCH_PATH);
lt_dladdsearchdir(ALT_SEARCH_PATH);
lt_dladdsearchdir(ALT_SEARCH_PATH64);
#endif
/* create the hash table for library modules to library handle names */
if (!hcreate ((MAX_PAYLOAD_RULES * 20) / 100)) {
*err = g_error_new (YAF_ERROR_DOMAIN, YAF_ERROR_IMPL,
"couldn't create load module hash table (%d)", errno);
return FALSE;
}
/*
* take all of the rules needed to parse the rule file and compile
* them into a form that // the regular expression engine can deal with */
ruleScanner = pcre_compile(ruleScannerExp, PCRE_MULTILINE, &errorString,
&errorPos, NULL);
if (NULL == ruleScanner) {
ycDisplayScannerRuleError(eString, ESTRING_SIZE,
"couldn't build the rule scanner",
errorString, ruleScannerExp, errorPos);
*err = g_error_new(YAF_ERROR_DOMAIN,YAF_ERROR_INTERNAL, "%s", eString);
return FALSE;
}
pluginScanner = pcre_compile(pluginScannerExp, PCRE_MULTILINE,
&errorString, &errorPos, NULL);
if (NULL == pluginScanner) {
ycDisplayScannerRuleError(eString, ESTRING_SIZE,
"couldn't build the plugin scanner",
errorString, pluginScannerExp, errorPos);
*err = g_error_new(YAF_ERROR_DOMAIN,YAF_ERROR_INTERNAL, "%s", eString);
return FALSE;
}
commentScanner = pcre_compile(commentScannerExp, PCRE_MULTILINE,
&errorString, &errorPos, NULL);
if (NULL == commentScanner) {
ycDisplayScannerRuleError (eString, ESTRING_SIZE,
"couldn't build the comment scanner",
errorString, commentScannerExp, errorPos);
*err = g_error_new(YAF_ERROR_DOMAIN,YAF_ERROR_INTERNAL, "%s", eString);
return FALSE;
}
pluginArgScanner = pcre_compile(pluginArgScannerExp, PCRE_MULTILINE,
&errorString, &errorPos, NULL);
if (NULL == pluginArgScanner) {
ycDisplayScannerRuleError(eString, ESTRING_SIZE,
"couldn't build the plugin argument scanner",
errorString, pluginArgScannerExp, errorPos);
*err = g_error_new(YAF_ERROR_DOMAIN,YAF_ERROR_INTERNAL, "%s", eString);
return FALSE;
}
signatureScanner = pcre_compile(signatureScannerExp, PCRE_MULTILINE,
&errorString, &errorPos, NULL);
if (NULL == signatureScanner) {
ycDisplayScannerRuleError (eString, ESTRING_SIZE,
"couldn't build the signature scanner",
errorString, signatureScannerExp, errorPos);
*err = g_error_new(YAF_ERROR_DOMAIN,YAF_ERROR_INTERNAL, "%s", eString);
return FALSE;
}
/*
* this is the loop that does the lion's share of the rule file
* processing first read a hunk of the rule file, (this may include
* multiple lines of stuff) this gets a little bit ugly, there are a
* number of issues that have to handled; first, because there may be
* multiple lines (which is in fact likely) it has to be able to work
* its way through the buffer, a single pass of the buffer through the
* pcre engine simply won't cut it; at the end, it is possible // to have
* part of line, when this happens, it needs to copy the leftover part
* of the read into the front of the buffer, and then read again to fill in
* the rest of line. (this detail limits a single line to
* LINE_BUF_SIZE size) */
do {
readLength =
fread (lineBuffer + bufferOffset, 1, LINE_BUF_SIZE - 1 -bufferOffset,
scriptFile);
if (0 == readLength) {
if (ferror (scriptFile)) {
*err = g_error_new(YAF_ERROR_DOMAIN, YAF_ERROR_IO,
"couldn't read the rule file: %s",
strerror (errno));
return FALSE;
}
break;
}
/* fread only returns how much it read from the file - need to add
extra we put in the buffer from last read, if any */
readLength += bufferOffset;
/*
* substringVects is used by the pcre library to indicate where the
* matched substrings are in the input string, but [1] points to
* the very end of the total match, we use this to iterate through
* the readBuffer, always reset it after a read */
substringVects[0] = 0;
substringVects[1] = 0;
/* parse as much of the input buffer as possible */
while (substringVects[1] < readLength) {
#if YFDEBUG_APPLABEL
g_debug("readLength %d startPosition %d\n", readLength,
substringVects[1]);
for (loop=0; loop < 10; loop++) {
if (loop+substringVects[1] > readLength) {
break;
}
char curChar = *(lineBuffer + substringVects[1] + loop);
if (iscntrl(curChar)) {
g_debug(".");
continue;
}
if (isprint(curChar)) {
g_debug("%c", curChar);
} else {
g_debug(".");
}
}
g_debug("\n");
#endif
/* get rid of CR's and LF's at the begging, use the simple manual
* method, they gum up the regex works */
if ('\n' == *(lineBuffer + substringVects[1])
|| '\r' == *(lineBuffer + substringVects[1])) {
substringVects[1]++;
continue;
}
/* first check for comments, and eliminate them */
currentStartPos = substringVects[1];
/* need to store the current offset, if we fail to match, we
get -1 in [1] */
rc = pcre_exec (commentScanner, NULL, lineBuffer, readLength,
substringVects[1], PCRE_ANCHORED, substringVects,
NUM_SUBSTRING_VECTS);
if (rc > 0) {
#if YFDEBUG_APPLABEL
g_debug("comment match pos %d to pos %d\n",
substringVects[0], substringVects[1]);
pcre_get_substring(lineBuffer, substringVects, rc, 0,
(const char**)&captString);
g_debug("comment line is \"%s\"\n", captString);
pcre_free(captString);
#endif
continue;
}
substringVects[1] = currentStartPos;
/* scan the line to see if it is a regex statement, and get the
* arguments if it is */
rc = pcre_exec (ruleScanner, NULL, lineBuffer, readLength,
substringVects[1], PCRE_ANCHORED, substringVects,
NUM_SUBSTRING_VECTS);
if (rc > 0) {
pcre *newRule;
pcre_extra *newExtra;
/* get the first matched field from the regex rule expression
* (the label value) */
pcre_get_substring (lineBuffer, substringVects, rc, 1,
(const char **) &captString);
ruleTable[numPayloadRules].payloadLabelValue =
strtoul (captString, NULL, 10);
#if YFDEBUG_APPLABEL
g_debug("regex: rule # %u, label value %lu ",
numPayloadRules, strtoul(captString, NULL, 10));
#endif
pcre_free (captString);
/* get the second matched field from the regex rule expression
* (should be the regex) */
pcre_get_substring(lineBuffer, substringVects, rc, 2,
(const char **) &captString);
#if YF_DEBUG_APPLABEL
g_debug(" regex \"%s\"\n", captString);
#endif
newRule = pcre_compile(captString, 0, &errorString, &errorPos,
NULL);
if (NULL == newRule) {
ycDisplayScannerRuleError(eString, ESTRING_SIZE,
"error in regex application labeler rule",
errorString, captString,
errorPos);
} else {
newExtra = pcre_study (newRule, 0, &errorString);
ruleTable[numPayloadRules].ruleArgs.regexFields.
scannerExpression = newRule;
ruleTable[numPayloadRules].ruleArgs.regexFields.
scannerExtra = newExtra;
ruleTable[numPayloadRules].ruleType = REGEX;
ycPortHashInsert(ruleTable[numPayloadRules].payloadLabelValue, numPayloadRules);
numPayloadRules++;
}
pcre_free (captString);
if (MAX_PAYLOAD_RULES == numPayloadRules) {
*err = g_error_new (YAF_ERROR_DOMAIN, YAF_ERROR_LIMIT,
"maximum number of application labeler"
" rules has been reached");
return FALSE;
}
continue;
}
substringVects[1] = currentStartPos;
/* scan the line to see if it is a plugin statement, and handle the
* arguments if it is */
rc = pcre_exec (pluginScanner, NULL, lineBuffer, readLength,
substringVects[1], PCRE_ANCHORED, substringVects,
NUM_SUBSTRING_VECTS);
if (rc > 0) {
int numArgs;
char **argStrings;
/* get the first matched field from the regex rule expression
* (the lable value) */
pcre_get_substring (lineBuffer, substringVects, rc, 1,
(const char **) &captString);
ruleTable[numPayloadRules].payloadLabelValue =
strtoul (captString, NULL, 10);
#if YFDEBUG_APPLABEL
g_debug("plugin: rule # %u, label value %lu ",
numPayloadRules, strtoul(captString, NULL, 10));
#endif
pcre_free (captString);
/*
* get the second matched field, which should be the plugin
* name and all of its arguments, now we need to chunk that
* into an array of strings, ala argc, argv
*/
pcre_get_substring(lineBuffer, substringVects, rc, 2,
(const char **) &captString);
ycChunkString(captString, &numArgs, &argStrings);
if (numArgs < 2) {
g_critical("error: not enough arguments to load and call "
"a plugin, at least a library name and function"
" name are needed\n");
pcre_free(captString);
pcre_get_substring(lineBuffer, substringVects, rc, 0,
(const char **) &captString);
g_critical("input line: \"%s\"\n", captString);
} else {
ENTRY newItem;
ENTRY *foundItem;
lt_dlhandle modHandle;
lt_ptr funcPtr;
ruleTable[numPayloadRules].ruleType = PLUGIN;
ruleTable[numPayloadRules].ruleArgs.pluginArgs.numArgs =
numArgs;
ruleTable[numPayloadRules].ruleArgs.pluginArgs.pluginArgs =
argStrings;
newItem.key = strdup(argStrings[0]);
if (NULL == newItem.key) {
g_error("out of memory error\n");
for (loop = 0; loop < numArgs; loop++) {
free ((char *) (argStrings[loop]));
}
free(argStrings);
return FALSE;
}
newItem.data = NULL;
foundItem = hsearch(newItem, FIND);
if (NULL == foundItem) {
modHandle = lt_dlopenext(newItem.key);
if (NULL == modHandle) {
g_critical("Couldn't open library \"%s\": %s",
argStrings[0], lt_dlerror());
g_critical("Search path set to %s",
lt_dlgetsearchpath());
g_critical("Set LTDL_LIBRARY_PATH to correct"
" location.");
for (loop = 0; loop < numArgs; loop++) {
free((char *) (argStrings[loop]));
}
free(argStrings);
pcre_free(captString);
continue;
} else {
#if YFDEBUG_APPLABEL
const lt_dlinfo *info = lt_dlgetinfo(modHandle);
g_debug("Loading %s plugin from %s", info->name, info->filename);
#endif
}
newItem.data = (void *)modHandle;
hsearch(newItem, ENTER);
} else {
modHandle = (lt_dlhandle)foundItem->data;
}
funcPtr = lt_dlsym(modHandle, argStrings[1]);
if (NULL == funcPtr) {
g_critical("couldn't find function \"%s\" in library"
" \"%s\"\n", argStrings[1], argStrings[0]);
for (loop = 0; loop < numArgs; loop++) {
free ((char *) (argStrings[loop]));
}
free (argStrings);
pcre_free (captString);
continue;
}
ruleTable[numPayloadRules].ruleArgs.pluginArgs.func =
(ycScannerPlugin_fn) funcPtr;
ycPortHashInsert(ruleTable[numPayloadRules].payloadLabelValue, numPayloadRules);
numPayloadRules++;
}
pcre_free(captString);
if (MAX_PAYLOAD_RULES == numPayloadRules) {
g_warning ("maximum number of rules has been reached\n");
return TRUE;
}
continue;
}
substringVects[1] = currentStartPos;
/* scan the line to see if it is a signature, and get the
* arguments if it is */
rc = pcre_exec(signatureScanner, NULL, lineBuffer, readLength,
substringVects[1], PCRE_ANCHORED, substringVects,
NUM_SUBSTRING_VECTS);
if (rc > 0) {
pcre *newRule;
pcre_extra *newExtra;
/* get the first matched field from the regex rule expression
* (the label value) */
pcre_get_substring(lineBuffer, substringVects, rc, 1,
(const char **) &captString);
sigTable[numSigRules].payloadLabelValue = strtoul(captString, NULL,
10);
#if YFDEBUG_APPLABEL
g_debug("signature: rule # %u, label value %lu ",
numSigRules, strtoul(captString, NULL, 10));
#endif
pcre_free (captString);
/* get the second matched field from the regex rule expression
* (should be the regex) */
pcre_get_substring(lineBuffer, substringVects, rc, 2,
(const char **) &captString);
#if YFDEBUG_APPLABEL
g_debug(" signature \"%s\"\n", captString);
#endif
newRule = pcre_compile(captString, 0, &errorString, &errorPos,
NULL);
if (NULL == newRule) {
ycDisplayScannerRuleError (eString, ESTRING_SIZE,
"error in signature application "
"labeler rule", errorString,
captString, errorPos);
} else {
newExtra = pcre_study (newRule, 0, &errorString);
sigTable[numSigRules].ruleArgs.regexFields.
scannerExpression = newRule;
sigTable[numSigRules].ruleArgs.regexFields.
scannerExtra = newExtra;
sigTable[numSigRules].ruleType = SIGNATURE;
numSigRules++;
}
pcre_free(captString);
if (MAX_PAYLOAD_RULES == numSigRules) {
*err = g_error_new(YAF_ERROR_DOMAIN, YAF_ERROR_LIMIT,
"maximum number of signature rules has "
"been reached");
return FALSE;
}
continue;
}
substringVects[1] = currentStartPos;
/* pcre_free (captString);*/
#if YFDEBUG_APPLABEL
g_debug("plugin args: ");
for (loop = 0; loop < numArgs; loop++) {
g_debug("\"%s\" ", (*argStrings)[loop]);
}
g_debug("\n");
#endif
/*
* check to see if we have partial text left over at the end of
* the read buffer, if we copy it to the front of the read
* buffer, and on the next read, read a little less to
* compensate for the left over amount */
if ((PCRE_ERROR_NOMATCH == rc) && (substringVects[1] < readLength)
&& !feof (scriptFile)) {
memmove (lineBuffer, lineBuffer + substringVects[1],
readLength - substringVects[1]);
bufferOffset = readLength - substringVects[1];
break;
} else if (PCRE_ERROR_NOMATCH == rc && feof (scriptFile)) {
/* this is an error, we have crap left over at the end of the
* file that we can't parse! */
g_critical("unparsed text at the end of the application labeler"
" rule file!\n");
break;
}
}
} while (!ferror (scriptFile) && !feof (scriptFile));
/*
* get rid of the module handle lookup hash; this creates a mem leak of
* the module handles, they can't be freed any longer (although this is a
* crappy hash, and iterating the hash is not possible....) */
hdestroy();
g_debug("Application Labeler accepted %d rules.", numPayloadRules);
g_debug("Application Labeler accepted %d signatures.", numSigRules);
pcre_free(ruleScanner);
pcre_free(pluginScanner);
pcre_free(commentScanner);
pcre_free(pluginArgScanner);
pcre_free(signatureScanner);
/* debug */
return TRUE;
}