1 files changed, 156 insertions, 0 deletions
diff --git a/src/pulsecore/parseaddr.c b/src/pulsecore/parseaddr.c
new file mode 100644
index 0000000..b909f52
--- /dev/null
+++ b/src/pulsecore/parseaddr.c
@@ -0,0 +1,156 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006 Lennart Poettering
+
+  PulseAudio 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.
+
+  PulseAudio 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 PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/core-util.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/arpa-inet.h>
+
+#include "parseaddr.h"
+
+/* Parse addresses in one of the following forms:
+ *    HOSTNAME
+ *    HOSTNAME:PORT
+ *    [HOSTNAME]
+ *    [HOSTNAME]:PORT
+ *
+ *  Return a newly allocated string of the hostname and fill in *ret_port if specified  */
+
+static char *parse_host(const char *s, uint16_t *ret_port) {
+    pa_assert(s);
+    pa_assert(ret_port);
+
+    if (*s == '[') {
+        char *e;
+        if (!(e = strchr(s+1, ']')))
+            return NULL;
+
+        if (e[1] == ':') {
+            uint32_t p;
+
+            if (pa_atou(e+2, &p) < 0)
+                return NULL;
+
+            *ret_port = (uint16_t) p;
+        } else if (e[1] != 0)
+            return NULL;
+
+        return pa_xstrndup(s+1, (size_t) (e-s-1));
+    } else {
+        char *e;
+        uint32_t p;
+
+        if (!(e = strrchr(s, ':')))
+            return pa_xstrdup(s);
+
+        if (pa_atou(e+1, &p) < 0)
+            return NULL;
+
+        *ret_port = (uint16_t) p;
+        return pa_xstrndup(s, (size_t) (e-s));
+    }
+}
+
+int pa_parse_address(const char *name, pa_parsed_address *ret_p) {
+    const char *p;
+
+    pa_assert(name);
+    pa_assert(ret_p);
+
+    memset(ret_p, 0, sizeof(pa_parsed_address));
+    ret_p->type = PA_PARSED_ADDRESS_TCP_AUTO;
+
+    if (*name == '{') {
+        char *id, *pfx;
+
+        /* The URL starts with a host id for detecting local connections */
+        if (!(id = pa_machine_id()))
+            return -1;
+
+        pfx = pa_sprintf_malloc("{%s}", id);
+        pa_xfree(id);
+
+        if (!pa_startswith(name, pfx)) {
+            pa_xfree(pfx);
+            /* Not local */
+            return -1;
+        }
+
+        p = name + strlen(pfx);
+        pa_xfree(pfx);
+    } else
+        p = name;
+
+    if (*p == '/')
+        ret_p->type = PA_PARSED_ADDRESS_UNIX;
+    else if (pa_startswith(p, "unix:")) {
+        ret_p->type = PA_PARSED_ADDRESS_UNIX;
+        p += sizeof("unix:")-1;
+    } else if (pa_startswith(p, "tcp:")) {
+        ret_p->type = PA_PARSED_ADDRESS_TCP4;
+        p += sizeof("tcp:")-1;
+    } else if (pa_startswith(p, "tcp4:")) {
+        ret_p->type = PA_PARSED_ADDRESS_TCP4;
+        p += sizeof("tcp4:")-1;
+    } else if (pa_startswith(p, "tcp6:")) {
+        ret_p->type = PA_PARSED_ADDRESS_TCP6;
+        p += sizeof("tcp6:")-1;
+    }
+
+    if (ret_p->type == PA_PARSED_ADDRESS_UNIX)
+        ret_p->path_or_host = pa_xstrdup(p);
+    else
+        if (!(ret_p->path_or_host = parse_host(p, &ret_p->port)))
+            return -1;
+
+    return 0;
+}
+
+bool pa_is_ip_address(const char *a) {
+    char buf[INET6_ADDRSTRLEN];
+
+    pa_assert(a);
+
+    if (inet_pton(AF_INET6, a, buf) >= 1)
+        return true;
+
+    if (inet_pton(AF_INET, a, buf) >= 1)
+        return true;
+
+    return false;
+}
+
+bool pa_is_ip6_address(const char *a) {
+    char buf[INET6_ADDRSTRLEN];
+
+    pa_assert(a);
+
+    if (inet_pton(AF_INET6, a, buf) >= 1)
+        return true;
+
+    return false;
+}