/***
This file is part of avahi.
-
+
avahi is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
-
+
avahi 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 Lesser General
Public License for more details.
-
+
You should have received a copy of the GNU Lesser General Public
License along with avahi; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
+#include <stdlib.h>
#ifdef USE_EXPAT_H
#include <expat.h>
struct StaticService {
StaticServiceGroup *group;
-
+
char *type;
char *domain_name;
char *host_name;
int protocol;
AvahiStringList *subtypes;
-
+
AvahiStringList *txt_records;
-
+
AVAHI_LLIST_FIELDS(StaticService, services);
};
static StaticService *static_service_new(StaticServiceGroup *group) {
StaticService *s;
-
+
assert(group);
s = avahi_new(StaticService, 1);
s->group = group;
static void static_service_free(StaticService *s) {
assert(s);
-
+
AVAHI_LLIST_REMOVE(StaticService, services, s->group->services, s);
avahi_free(s->type);
avahi_string_list_free(s->txt_records);
avahi_string_list_free(s->subtypes);
-
+
avahi_free(s);
}
static void entry_group_callback(AvahiServer *s, AVAHI_GCC_UNUSED AvahiSEntryGroup *eg, AvahiEntryGroupState state, void* userdata) {
StaticServiceGroup *g = userdata;
-
+
assert(s);
assert(g);
switch (state) {
-
+
case AVAHI_ENTRY_GROUP_COLLISION: {
char *n;
-
+
remove_static_service_group_from_server(g);
-
+
n = avahi_alternative_service_name(g->chosen_name);
avahi_free(g->chosen_name);
g->chosen_name = n;
-
+
avahi_log_notice("Service name conflict for \"%s\" (%s), retrying with \"%s\".", g->name, g->filename, g->chosen_name);
-
+
add_static_service_group_to_server(g);
break;
}
-
- case AVAHI_ENTRY_GROUP_ESTABLISHED:
+
+ case AVAHI_ENTRY_GROUP_ESTABLISHED:
avahi_log_info("Service \"%s\" (%s) successfully established.", g->chosen_name, g->filename);
break;
- case AVAHI_ENTRY_GROUP_FAILURE:
+ case AVAHI_ENTRY_GROUP_FAILURE:
avahi_log_warn("Failed to publish service \"%s\" (%s): %s", g->chosen_name, g->filename, avahi_strerror(avahi_server_errno(s)));
remove_static_service_group_from_server(g);
break;
if (g->entry_group && !avahi_s_entry_group_is_empty(g->entry_group))
/* This service group is already registered in the server */
return;
-
+
if (!g->chosen_name || (g->replace_wildcards && strstr(g->name, "%h"))) {
avahi_free(g->chosen_name);
-
+
if (g->replace_wildcards)
g->chosen_name = replacestr(g->name, "%h", avahi_server_get_host_name(avahi_server));
else
g->chosen_name = avahi_strdup(g->name);
}
-
+
if (!g->entry_group)
g->entry_group = avahi_s_entry_group_new(avahi_server, entry_group_callback, g);
assert(avahi_s_entry_group_is_empty(g->entry_group));
-
+
for (s = g->services; s; s = s->services_next) {
AvahiStringList *i;
avahi_server,
g->entry_group,
AVAHI_IF_UNSPEC, s->protocol,
- 0,
+ 0,
g->chosen_name, s->type, s->domain_name,
s->host_name, s->port,
s->txt_records) < 0) {
0,
g->chosen_name, s->type, s->domain_name,
(char*) i->text) < 0) {
-
+
avahi_log_error("Failed to add subtype '%s' for service '%s' of type '%s', ignoring subtype (%s): %s",
i->text, g->chosen_name, s->type, g->filename,
avahi_strerror(avahi_server_errno(avahi_server)));
static void XMLCALL xml_start(void *data, const char *el, const char *attr[]) {
struct xml_userdata *u = data;
-
+
assert(u);
if (u->failed)
u->current_tag = XML_TAG_NAME;
if (attr[0]) {
- if (strcmp(attr[0], "replace-wildcards") == 0)
+ if (strcmp(attr[0], "replace-wildcards") == 0)
u->group->replace_wildcards = strcmp(attr[1], "yes") == 0;
else
goto invalid_attr;
if (attr[2])
goto invalid_attr;
}
-
+
} else if (u->current_tag == XML_TAG_SERVICE_GROUP && strcmp(el, "service") == 0) {
u->current_tag = XML_TAG_SERVICE;
if (attr[0]) {
if (strcmp(attr[0], "protocol") == 0) {
AvahiProtocol protocol;
-
+
if (strcmp(attr[1], "ipv4") == 0) {
protocol = AVAHI_PROTO_INET;
} else if (strcmp(attr[1], "ipv6") == 0) {
} else if (u->current_tag == XML_TAG_SERVICE && strcmp(el, "domain-name") == 0) {
if (attr[0])
goto invalid_attr;
-
+
u->current_tag = XML_TAG_DOMAIN_NAME;
} else if (u->current_tag == XML_TAG_SERVICE && strcmp(el, "host-name") == 0) {
if (attr[0])
goto invalid_attr;
-
+
u->current_tag = XML_TAG_HOST_NAME;
} else if (u->current_tag == XML_TAG_SERVICE && strcmp(el, "port") == 0) {
if (attr[0])
goto invalid_attr;
-
+
u->current_tag = XML_TAG_PORT;
} else if (u->current_tag == XML_TAG_SERVICE && strcmp(el, "txt-record") == 0) {
if (attr[0])
goto invalid_attr;
-
+
u->current_tag = XML_TAG_TXT_RECORD;
} else {
avahi_log_error("%s: parse failure: didn't expect element <%s>.", u->group->filename, el);
u->failed = 1;
return;
}
-
+
static void XMLCALL xml_end(void *data, AVAHI_GCC_UNUSED const char *el) {
struct xml_userdata *u = data;
assert(u);
if (u->failed)
return;
-
+
switch (u->current_tag) {
case XML_TAG_SERVICE_GROUP:
u->failed = 1;
return;
}
-
+
u->current_tag = XML_TAG_INVALID;
break;
u->failed = 1;
return;
}
-
+
u->service = NULL;
u->current_tag = XML_TAG_SERVICE_GROUP;
break;
case XML_TAG_PORT: {
int p;
assert(u->service);
-
+
p = u->buf ? atoi(u->buf) : 0;
if (p < 0 || p > 0xFFFF) {
case XML_TAG_TXT_RECORD: {
assert(u->service);
-
+
u->service->txt_records = avahi_string_list_add(u->service->txt_records, u->buf ? u->buf : "");
u->current_tag = XML_TAG_SERVICE;
break;
case XML_TAG_SUBTYPE: {
assert(u->service);
-
+
u->service->subtypes = avahi_string_list_add(u->service->subtypes, u->buf ? u->buf : "");
u->current_tag = XML_TAG_SERVICE;
break;
}
-
+
case XML_TAG_TYPE:
case XML_TAG_DOMAIN_NAME:
case XML_TAG_HOST_NAME:
static char *append_cdata(char *t, const char *n, int length) {
char *r, *k;
-
+
if (!length)
return t;
-
+
k = avahi_strndup(n, length);
if (t) {
avahi_free(t);
} else
r = k;
-
+
return r;
}
case XML_TAG_NAME:
u->group->name = append_cdata(u->group->name, s, len);
break;
-
+
case XML_TAG_TYPE:
assert(u->service);
u->service->type = append_cdata(u->service->type, s, len);
avahi_free(g->chosen_name);
g->name = g->chosen_name = NULL;
g->replace_wildcards = 0;
-
+
if (!(parser = XML_ParserCreate(NULL))) {
avahi_log_error("XML_ParserCreate() failed.");
goto finish;
}
g->mtime = st.st_mtime;
-
+
XML_SetUserData(parser, &u);
XML_SetElementHandler(parser, xml_start, xml_end);
return;
avahi_log_info("Loading service file %s.", n);
-
+
g = static_service_group_new(n);
if (static_service_group_load(g) < 0) {
avahi_log_error("Failed to load service group file %s, ignoring.", g->filename);
avahi_log_info("Service group file %s vanished, removing services.", g->filename);
else
avahi_log_warn("Failed to stat() file %s, ignoring: %s", g->filename, strerror(errno));
-
+
static_service_group_free(g);
} else if (st.st_mtime != g->mtime) {
avahi_log_info("Service group file %s changed, reloading.", g->filename);
-
+
if (static_service_group_load(g) < 0) {
avahi_log_warn("Failed to load service group file %s, removing service.", g->filename);
static_service_group_free(g);
}
memset(&globbuf, 0, sizeof(globbuf));
-
+
if ((globret = glob(in_chroot ? "/services/*.service" : AVAHI_SERVICE_DIR "/*.service", GLOB_ERR, NULL, &globbuf)) != 0)
-
+
switch (globret) {
#ifdef GLOB_NOSPACE
case GLOB_NOSPACE:
avahi_log_error("Failed to read "AVAHI_SERVICE_DIR".");
break;
}
-
+
else {
for (p = globbuf.gl_pathv; *p; p++)
load_file(*p);
-
+
globfree(&globbuf);
}
}
void static_service_free_all(void) {
-
+
while (groups)
static_service_group_free(groups);
}
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