--- /dev/null
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthmct@yahoo.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Anthony Minessale II <anthmct@yahoo.com>
+ * Simon Capper <skyjunky@sbcglobal.net>
+ *
+ *
+ * switch_xml.c -- XML PARSER
+ *
+ * Derived from ezxml http://ezxml.sourceforge.net
+ * Original Copyright
+ *
+ * Copyright 2004, 2006 Aaron Voisine <aaron@voisine.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <switch.h>
+#ifndef WIN32
+#include <switch_private.h>
+#include <glob.h>
+#else /* we're on windoze :( */
+/* glob functions at end of this file */
+#include <apr_file_io.h>
+
+typedef struct {
+ size_t gl_pathc; /* Count of total paths so far. */
+ size_t gl_matchc; /* Count of paths matching pattern. */
+ size_t gl_offs; /* Reserved at beginning of gl_pathv. */
+ int gl_flags; /* Copy of flags parameter to glob. */
+ char **gl_pathv; /* List of paths matching pattern. */
+ /* Copy of errfunc parameter to glob. */
+ int (*gl_errfunc)(const char *, int);
+} glob_t;
+
+/* Believed to have been introduced in 1003.2-1992 */
+#define GLOB_APPEND 0x0001 /* Append to output from previous call. */
+#define GLOB_DOOFFS 0x0002 /* Use gl_offs. */
+#define GLOB_ERR 0x0004 /* Return on error. */
+#define GLOB_MARK 0x0008 /* Append / to matching directories. */
+#define GLOB_NOCHECK 0x0010 /* Return pattern itself if nothing matches. */
+#define GLOB_NOSORT 0x0020 /* Don't sort. */
+
+/* Error values returned by glob(3) */
+#define GLOB_NOSPACE (-1) /* Malloc call failed. */
+#define GLOB_ABORTED (-2) /* Unignored error. */
+#define GLOB_NOMATCH (-3) /* No match and GLOB_NOCHECK was not set. */
+#define GLOB_NOSYS (-4) /* Obsolete: source comptability only. */
+
+#define GLOB_ALTDIRFUNC 0x0040 /* Use alternately specified directory funcs. */
+#define GLOB_MAGCHAR 0x0100 /* Pattern had globbing characters. */
+#define GLOB_NOMAGIC 0x0200 /* GLOB_NOCHECK without magic chars (csh). */
+#define GLOB_QUOTE 0x0400 /* Quote special chars with \. */
+#define GLOB_LIMIT 0x1000 /* limit number of returned paths */
+
+int glob(const char *, int, int (*)(const char *, int), glob_t *);
+void globfree(glob_t *);
+
+#endif
+#undef HAVE_MMAP
+#ifdef HAVE_MMAP
+#include <sys/mman.h>
+#ifdef __sun
+extern int madvise(caddr_t, size_t, int);
+#endif
+#endif
+
+#define SWITCH_XML_WS "\t\r\n " // whitespace
+#define SWITCH_XML_ERRL 128 // maximum error string length
+
+static int preprocess(const char *cwd, const char *file, int write_fd, int rlevel);
+
+typedef struct switch_xml_root *switch_xml_root_t;
+struct switch_xml_root { // additional data for the root tag
+ struct switch_xml xml; // is a super-struct built on top of switch_xml struct
+ switch_xml_t cur; // current xml tree insertion point
+ char *m; // original xml string
+ switch_size_t len; // length of allocated memory for mmap
+ uint8_t dynamic;
+ char *u; // UTF-8 conversion of string if original was UTF-16
+ char *s; // start of work area
+ char *e; // end of work area
+ char **ent; // general entities (ampersand sequences)
+ char ***attr; // default attributes
+ char ***pi; // processing instructions
+ short standalone; // non-zero if <?xml standalone="yes"?>
+ char err[SWITCH_XML_ERRL]; // error string
+};
+
+char *SWITCH_XML_NIL[] = { NULL }; // empty, null terminated array of strings
+
+struct switch_xml_binding {
+ switch_xml_search_function_t function;
+ switch_xml_section_t sections;
+ void *user_data;
+ struct switch_xml_binding *next;
+};
+
+
+static switch_xml_binding_t *BINDINGS = NULL;
+static switch_xml_t MAIN_XML_ROOT = NULL;
+static switch_memory_pool_t *XML_MEMORY_POOL;
+static switch_mutex_t *XML_LOCK;
+static switch_thread_rwlock_t *RWLOCK;
+static uint32_t lock_count = 0;
+
+struct xml_section_t {
+ const char *name;
+ //switch_xml_section_t section;
+ uint32_t section;
+};
+
+static struct xml_section_t SECTIONS[] = {
+ {"result", SWITCH_XML_SECTION_RESULT},
+ {"config", SWITCH_XML_SECTION_CONFIG},
+ {"directory", SWITCH_XML_SECTION_DIRECTORY},
+ {"dialplan", SWITCH_XML_SECTION_DIALPLAN},
+ {"phrases", SWITCH_XML_SECTION_PHRASES},
+ {NULL, 0}
+};
+
+SWITCH_DECLARE(switch_xml_section_t) switch_xml_parse_section_string(const char *str)
+{
+ size_t x;
+ char buf[1024] = "";
+ //switch_xml_section_t sections = SWITCH_XML_SECTION_RESULT;
+ uint32_t sections = SWITCH_XML_SECTION_RESULT;
+
+ if (str) {
+ for (x = 0; x < strlen(str); x++) {
+ buf[x] = (char) tolower((int) str[x]);
+ }
+ for (x = 0;; x++) {
+ if (!SECTIONS[x].name) {
+ break;
+ }
+ if (strstr(buf, SECTIONS[x].name)) {
+ sections |= SECTIONS[x].section;
+ }
+ }
+ }
+ return (switch_xml_section_t) sections;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_xml_unbind_search_function(switch_xml_binding_t **binding)
+{
+ switch_xml_binding_t *ptr, *last = NULL;
+ switch_status_t status = SWITCH_STATUS_FALSE;
+
+ switch_mutex_lock(XML_LOCK);
+ for (ptr = BINDINGS; ptr; ptr = ptr->next) {
+ if (ptr == *binding) {
+ if (last) {
+ last->next = (*binding)->next;
+ } else {
+ BINDINGS = (*binding)->next;
+ }
+ status = SWITCH_STATUS_SUCCESS;
+ break;
+ }
+ last = ptr;
+ }
+ switch_mutex_unlock(XML_LOCK);
+
+ return status;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_xml_unbind_search_function_ptr(switch_xml_search_function_t function)
+{
+ switch_xml_binding_t *ptr, *last = NULL;
+ switch_status_t status = SWITCH_STATUS_FALSE;
+
+ switch_mutex_lock(XML_LOCK);
+ for (ptr = BINDINGS; ptr; ptr = ptr->next) {
+ if (ptr->function == function) {
+ if (last) {
+ last->next = ptr->next;
+ } else {
+ BINDINGS = ptr->next;
+ }
+ status = SWITCH_STATUS_SUCCESS;
+ }
+ last = ptr;
+ }
+ switch_mutex_unlock(XML_LOCK);
+
+ return status;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_xml_bind_search_function(switch_xml_search_function_t function, switch_xml_section_t sections, void *user_data)
+{
+ switch_xml_binding_t *binding = NULL, *ptr = NULL;
+ assert(function != NULL);
+
+ if (!(binding = (switch_xml_binding_t *) switch_core_alloc(XML_MEMORY_POOL, sizeof(*binding)))) {
+ return SWITCH_STATUS_MEMERR;
+ }
+
+ binding->function = function;
+ binding->sections = sections;
+ binding->user_data = user_data;
+
+ switch_mutex_lock(XML_LOCK);
+ for (ptr = BINDINGS; ptr && ptr->next; ptr = ptr->next);
+
+ if (ptr) {
+ ptr->next = binding;
+ } else {
+ BINDINGS = binding;
+ }
+ switch_mutex_unlock(XML_LOCK);
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_DECLARE(switch_xml_t) switch_xml_find_child(switch_xml_t node, const char *childname, const char *attrname, const char *value)
+{
+ switch_xml_t p = NULL;
+
+ if (!(childname && attrname && value)) {
+ return node;
+ }
+
+ for (p = switch_xml_child(node, childname); p; p = p->next) {
+ const char *aname = switch_xml_attr(p, attrname);
+ if (aname && value && !strcasecmp(aname, value)) {
+ break;
+ }
+ }
+
+ return p;
+}
+
+// returns the first child tag with the given name or NULL if not found
+SWITCH_DECLARE(switch_xml_t) switch_xml_child(switch_xml_t xml, const char *name)
+{
+ xml = (xml) ? xml->child : NULL;
+ while (xml && strcmp(name, xml->name))
+ xml = xml->sibling;
+ return xml;
+}
+
+// returns the Nth tag with the same name in the same subsection or NULL if not
+// found
+switch_xml_t switch_xml_idx(switch_xml_t xml, int idx)
+{
+ for (; xml && idx; idx--)
+ xml = xml->next;
+ return xml;
+}
+
+// returns the value of the requested tag attribute or "" if not found
+SWITCH_DECLARE(const char *) switch_xml_attr_soft(switch_xml_t xml, const char *attr)
+{
+ const char *ret = switch_xml_attr(xml, attr);
+
+ return ret ? ret : "";
+}
+
+// returns the value of the requested tag attribute or NULL if not found
+SWITCH_DECLARE(const char *) switch_xml_attr(switch_xml_t xml, const char *attr)
+{
+ int i = 0, j = 1;
+ switch_xml_root_t root = (switch_xml_root_t) xml;
+
+ if (!xml || !xml->attr)
+ return NULL;
+ while (xml->attr[i] && strcmp(attr, xml->attr[i]))
+ i += 2;
+ if (xml->attr[i])
+ return xml->attr[i + 1]; // found attribute
+
+ while (root->xml.parent)
+ root = (switch_xml_root_t) root->xml.parent; // root tag
+ for (i = 0; root->attr[i] && strcmp(xml->name, root->attr[i][0]); i++);
+ if (!root->attr[i])
+ return NULL; // no matching default attributes
+ while (root->attr[i][j] && strcmp(attr, root->attr[i][j]))
+ j += 3;
+ return (root->attr[i][j]) ? root->attr[i][j + 1] : NULL; // found default
+}
+
+// same as switch_xml_get but takes an already initialized va_list
+static switch_xml_t switch_xml_vget(switch_xml_t xml, va_list ap)
+{
+ char *name = va_arg(ap, char *);
+ int idx = -1;
+
+ if (name && *name) {
+ idx = va_arg(ap, int);
+ xml = switch_xml_child(xml, name);
+ }
+ return (idx < 0) ? xml : switch_xml_vget(switch_xml_idx(xml, idx), ap);
+}
+
+// Traverses the xml tree to retrieve a specific subtag. Takes a variable
+// length list of tag names and indexes. The argument list must be terminated
+// by either an index of -1 or an empty string tag name. Example:
+// title = switch_xml_get(library, "shelf", 0, "book", 2, "title", -1);
+// This retrieves the title of the 3rd book on the 1st shelf of library.
+// Returns NULL if not found.
+SWITCH_DECLARE(switch_xml_t) switch_xml_get(switch_xml_t xml,...)
+{
+ va_list ap;
+ switch_xml_t r;
+
+ va_start(ap, xml);
+ r = switch_xml_vget(xml, ap);
+ va_end(ap);
+ return r;
+}
+
+// returns a null terminated array of processing instructions for the given
+// target
+SWITCH_DECLARE(const char **) switch_xml_pi(switch_xml_t xml, const char *target)
+{
+ switch_xml_root_t root = (switch_xml_root_t) xml;
+ int i = 0;
+
+ if (!root)
+ return (const char **) SWITCH_XML_NIL;
+ while (root->xml.parent)
+ root = (switch_xml_root_t) root->xml.parent; // root tag
+ while (root->pi[i] && strcmp(target, root->pi[i][0]))
+ i++; // find target
+ return (const char **) ((root->pi[i]) ? root->pi[i] + 1 : SWITCH_XML_NIL);
+}
+
+// set an error string and return root
+static switch_xml_t switch_xml_err(switch_xml_root_t root, char *s, const char *err, ...)
+{
+ va_list ap;
+ int line = 1;
+ char *t, fmt[SWITCH_XML_ERRL];
+
+ for (t = root->s; t && t < s; t++)
+ if (*t == '\n')
+ line++;
+ switch_snprintf(fmt, SWITCH_XML_ERRL, "[error near line %d]: %s", line, err);
+
+ va_start(ap, err);
+ vsnprintf(root->err, SWITCH_XML_ERRL, fmt, ap);
+ va_end(ap);
+
+ return &root->xml;
+}
+
+// Recursively decodes entity and character references and normalizes new lines
+// ent is a null terminated array of alternating entity names and values. set t
+// to '&' for general entity decoding, '%' for parameter entity decoding, 'c'
+// for cdata sections, ' ' for attribute normalization, or '*' for non-cdata
+// attribute normalization. Returns s, or if the decoded string is longer than
+// s, returns a malloced string that must be freed.
+static char *switch_xml_decode(char *s, char **ent, char t)
+{
+ char *e, *r = s, *m = s;
+ long b, c, d, l;
+
+ for (; *s; s++) { // normalize line endings
+ while (*s == '\r') {
+ *(s++) = '\n';
+ if (*s == '\n')
+ memmove(s, (s + 1), strlen(s));
+ }
+ }
+
+ for (s = r;;) {
+ while (*s && *s != '&' && (*s != '%' || t != '%') && !isspace((int) (*s)))
+ s++;
+
+ if (!*s)
+ break;
+ else if (t != 'c' && !strncmp(s, "&#", 2)) { // character reference
+ if (s[2] == 'x')
+ c = strtol(s + 3, &e, 16); // base 16
+ else
+ c = strtol(s + 2, &e, 10); // base 10
+ if (!c || *e != ';') {
+ s++;
+ continue;
+ } // not a character ref
+
+ if (c < 0x80)
+ *(s++) = (char) c; // US-ASCII subset
+ else { // multi-byte UTF-8 sequence
+ for (b = 0, d = c; d; d /= 2)
+ b++; // number of bits in c
+ b = (b - 2) / 5; // number of bytes in payload
+ *(s++) = (char) ((0xFF << (7 - b)) | (c >> (6 * b))); // head
+ while (b)
+ *(s++) = (char) (0x80 | ((c >> (6 * --b)) & 0x3F)); // payload
+ }
+
+ memmove(s, strchr(s, ';') + 1, strlen(strchr(s, ';')));
+ } else if ((*s == '&' && (t == '&' || t == ' ' || t == '*')) || (*s == '%' && t == '%')) { // entity reference
+ for (b = 0; ent[b] && strncmp(s + 1, ent[b], strlen(ent[b])); b += 2); // find entity in entity list
+
+ if (ent[b++]) { // found a match
+ if ((c = (long) strlen(ent[b])) - 1 > (e = strchr(s, ';')) - s) {
+ l = (d = (long) (s - r)) + c + (long) strlen(e); // new length
+ if (l) {
+ if (r == m) {
+ char *tmp = (char *)malloc(l);
+ if (tmp) {
+ r = strcpy(tmp, r);
+ } else {
+ if (r) free(r);
+ return NULL;
+ }
+ } else {
+ char *tmp = (char *)realloc(r, l);
+ if (tmp) {
+ r = tmp;
+ } else {
+ if (r) free(r);
+ return NULL;
+ }
+ }
+ }
+ e = strchr((s = r + d), ';'); // fix up pointers
+ }
+
+ memmove(s + c, e + 1, strlen(e)); // shift rest of string
+ strncpy(s, ent[b], c); // copy in replacement text
+ } else
+ s++; // not a known entity
+ } else if ((t == ' ' || t == '*') && isspace((int) (*s)))
+ *(s++) = ' ';
+ else
+ s++; // no decoding needed
+ }
+
+ if (t == '*') { // normalize spaces for non-cdata attributes
+ for (s = r; *s; s++) {
+ if ((l = (long) strspn(s, " ")))
+ memmove(s, s + l, strlen(s + l) + 1);
+ while (*s && *s != ' ')
+ s++;
+ }
+ if (--s >= r && *s == ' ')
+ *s = '\0'; // trim any trailing space
+ }
+ return r;
+}
+
+// called when parser finds start of new tag
+static void switch_xml_open_tag(switch_xml_root_t root, char *name, char **attr)
+{
+ switch_xml_t xml = root->cur;
+
+ if (xml->name)
+ xml = switch_xml_add_child(xml, name, strlen(xml->txt));
+ else
+ xml->name = name; // first open tag
+
+ xml->attr = attr;
+ root->cur = xml; // update tag insertion point
+}
+
+// called when parser finds character content between open and closing tag
+static void switch_xml_char_content(switch_xml_root_t root, char *s, switch_size_t len, char t)
+{
+ switch_xml_t xml = root->cur;
+ char *m = s;
+ switch_size_t l;
+
+ if (!xml || !xml->name || !len)
+ return; // sanity check
+
+ s[len] = '\0'; // null terminate text (calling functions anticipate this)
+ len = strlen(s = switch_xml_decode(s, root->ent, t)) + 1;
+
+ if (!*(xml->txt))
+ xml->txt = s; // initial character content
+ else { // allocate our own memory and make a copy
+ if ((xml->flags & SWITCH_XML_TXTM)) { // allocate some space
+ char *tmp = (char *)realloc(xml->txt, (l = strlen(xml->txt)) + len);
+ if (tmp) {
+ xml->txt = tmp;
+ } else {
+ return;
+ }
+ } else {
+ char *tmp = (char *)malloc((l = strlen(xml->txt)) + len);
+ if (tmp) {
+ xml->txt = strcpy(tmp, xml->txt);
+ } else {
+ return;
+ }
+ }
+ strcpy(xml->txt + l, s); // add new char content
+ if (s != m)
+ free(s); // free s if it was malloced by switch_xml_decode()
+ }
+
+ if (xml->txt != m)
+ switch_xml_set_flag(xml, SWITCH_XML_TXTM);
+}
+
+// called when parser finds closing tag
+static switch_xml_t switch_xml_close_tag(switch_xml_root_t root, char *name, char *s)
+{
+ if (!root->cur || !root->cur->name || strcmp(name, root->cur->name))
+ return switch_xml_err(root, s, "unexpected closing tag </%s>", name);
+
+ root->cur = root->cur->parent;
+ return NULL;
+}
+
+// checks for circular entity references, returns non-zero if no circular
+// references are found, zero otherwise
+static int switch_xml_ent_ok(char *name, char *s, char **ent)
+{
+ int i;
+
+ for (;; s++) {
+ while (*s && *s != '&')
+ s++; // find next entity reference
+ if (!*s)
+ return 1;
+ if (!strncmp(s + 1, name, strlen(name)))
+ return 0; // circular ref.
+ for (i = 0; ent[i] && strncmp(ent[i], s + 1, strlen(ent[i])); i += 2);
+ if (ent[i] && !switch_xml_ent_ok(name, ent[i + 1], ent))
+ return 0;
+ }
+}
+
+// called when the parser finds a processing instruction
+static void switch_xml_proc_inst(switch_xml_root_t root, char *s, switch_size_t len)
+{
+ int i = 0, j = 1;
+ char *target = s;
+ char **sstmp;
+ char *stmp;
+
+ s[len] = '\0'; // null terminate instruction
+ if (*(s += strcspn(s, SWITCH_XML_WS))) {
+ *s = '\0'; // null terminate target
+ s += strspn(s + 1, SWITCH_XML_WS) + 1; // skip whitespace after target
+ }
+
+ if (!root) return;
+
+ if (!strcmp(target, "xml")) { // <?xml ... ?>
+ if ((s = strstr(s, "standalone")) && !strncmp(s + strspn(s + 10, SWITCH_XML_WS "='\"") + 10, "yes", 3))
+ root->standalone = 1;
+ return;
+ }
+
+ if (!root->pi[0]) {
+ root->pi = (char ***)malloc(sizeof(char **));
+ if (!root->pi) return;
+ *(root->pi) = NULL; //first pi
+ }
+
+ while (root->pi[i] && strcmp(target, root->pi[i][0]))
+ i++; // find target
+ if (!root->pi[i]) { // new target
+ char ***ssstmp = (char ***)realloc(root->pi, sizeof(char **) * (i + 2));
+ if (!ssstmp) return;
+ root->pi = ssstmp;
+ if (!root->pi) return;
+ root->pi[i] = (char **)malloc(sizeof(char *) * 3);
+ if (!root->pi[i]) return;
+ root->pi[i][0] = target;
+ root->pi[i][1] = (char *) (root->pi[i + 1] = NULL); // terminate pi list
+ root->pi[i][2] = strdup(""); // empty document position list
+ }
+
+ while (root->pi[i][j])
+ j++; // find end of instruction list for this target
+ sstmp = (char **)realloc(root->pi[i], sizeof(char *) * (j + 3));
+ if (!sstmp) return;
+ root->pi[i] = sstmp;
+ stmp = (char *)realloc(root->pi[i][j + 1], j + 1);
+ if (!stmp) return;
+ root->pi[i][j + 2] = stmp;
+ strcpy(root->pi[i][j + 2] + j - 1, (root->xml.name) ? ">" : "<");
+ root->pi[i][j + 1] = NULL; // null terminate pi list for this target
+ root->pi[i][j] = s; // set instruction
+}
+
+// called when the parser finds an internal doctype subset
+static short switch_xml_internal_dtd(switch_xml_root_t root, char *s, switch_size_t len)
+{
+ char q, *c, *t, *n = NULL, *v, **ent, **pe;
+ int i, j;
+ char **sstmp;
+
+ pe = (char **)memcpy(malloc(sizeof(SWITCH_XML_NIL)), SWITCH_XML_NIL, sizeof(SWITCH_XML_NIL));
+
+ for (s[len] = '\0'; s;) {
+ while (*s && *s != '<' && *s != '%')
+ s++; // find next declaration
+
+ if (!*s)
+ break;
+ else if (!strncmp(s, "<!ENTITY", 8)) { // parse entity definitions
+ c = s += strspn(s + 8, SWITCH_XML_WS) + 8; // skip white space separator
+ n = s + strspn(s, SWITCH_XML_WS "%"); // find name
+ *(s = n + strcspn(n, SWITCH_XML_WS)) = ';'; // append ; to name
+
+ v = s + strspn(s + 1, SWITCH_XML_WS) + 1; // find value
+ if ((q = *(v++)) != '"' && q != '\'') { // skip externals
+ s = strchr(s, '>');
+ continue;
+ }
+
+ for (i = 0, ent = (*c == '%') ? pe : root->ent; ent[i]; i++);
+ sstmp = (char **)realloc(ent, (i + 3) * sizeof(char *)); // space for next ent
+ if (!sstmp) {
+ switch_xml_err(root, v, "Allocation Error!");
+ break;
+ }
+ ent = sstmp;
+ if (*c == '%')
+ pe = ent;
+ else
+ root->ent = ent;
+
+ *(++s) = '\0'; // null terminate name
+ if ((s = strchr(v, q)))
+ *(s++) = '\0'; // null terminate value
+ ent[i + 1] = switch_xml_decode(v, pe, '%'); // set value
+ ent[i + 2] = NULL; // null terminate entity list
+ if (!switch_xml_ent_ok(n, ent[i + 1], ent)) { // circular reference
+ if (ent[i + 1] != v)
+ free(ent[i + 1]);
+ switch_xml_err(root, v, "circular entity declaration &%s", n);
+ break;
+ } else
+ ent[i] = n; // set entity name
+ } else if (!strncmp(s, "<!ATTLIST", 9)) { // parse default attributes
+ t = s + strspn(s + 9, SWITCH_XML_WS) + 9; // skip whitespace separator
+ if (!*t) {
+ switch_xml_err(root, t, "unclosed <!ATTLIST");
+ break;
+ }
+ if (*(s = t + strcspn(t, SWITCH_XML_WS ">")) == '>')
+ continue;
+ else
+ *s = '\0'; // null terminate tag name
+ for (i = 0; root->attr[i] && strcmp(n, root->attr[i][0]); i++);
+
+ while (*(n = ++s + strspn(s, SWITCH_XML_WS)) && *n != '>') {
+ if (*(s = n + strcspn(n, SWITCH_XML_WS)))
+ *s = '\0'; // attr name
+ else {
+ switch_xml_err(root, t, "malformed <!ATTLIST");
+ break;
+ }
+
+ s += strspn(s + 1, SWITCH_XML_WS) + 1; // find next token
+ c = (strncmp(s, "CDATA", 5)) ? (char *)"*" : (char *)" "; // is it cdata?
+ if (!strncmp(s, "NOTATION", 8))
+ s += strspn(s + 8, SWITCH_XML_WS) + 8;
+ s = (*s == '(') ? strchr(s, ')') : s + strcspn(s, SWITCH_XML_WS);
+ if (!s) {
+ switch_xml_err(root, t, "malformed <!ATTLIST");
+ break;
+ }
+
+ s += strspn(s, SWITCH_XML_WS ")"); // skip white space separator
+ if (!strncmp(s, "#FIXED", 6))
+ s += strspn(s + 6, SWITCH_XML_WS) + 6;
+ if (*s == '#') { // no default value
+ s += strcspn(s, SWITCH_XML_WS ">") - 1;
+ if (*c == ' ')
+ continue; // cdata is default, nothing to do
+ v = NULL;
+ } else if ((*s == '"' || *s == '\'') && // default value
+ (s = strchr(v = s + 1, *s)))
+ *s = '\0';
+ else {
+ switch_xml_err(root, t, "malformed <!ATTLIST");
+ break;
+ }
+
+ if (!root->attr[i]) { // new tag name
+ root->attr = (!i) ? (char ***)malloc(2 * sizeof(char **))
+ : (char ***)realloc(root->attr, (i + 2) * sizeof(char **));
+ root->attr[i] = (char **)malloc(2 * sizeof(char *));
+ root->attr[i][0] = t; // set tag name
+ root->attr[i][1] = (char *) (root->attr[i + 1] = NULL);
+ }
+
+ for (j = 1; root->attr[i][j]; j += 3); // find end of list
+ sstmp = (char **)realloc(root->attr[i], (j + 4) * sizeof(char *));
+
+ if (!sstmp) {
+ switch_xml_err(root, t, "Allocation Error!");
+ break;
+ }
+
+ root->attr[i] = sstmp;
+ root->attr[i][j + 3] = NULL; // null terminate list
+ root->attr[i][j + 2] = c; // is it cdata?
+ root->attr[i][j + 1] = (v) ? switch_xml_decode(v, root->ent, *c)
+ : NULL;
+ root->attr[i][j] = n; // attribute name
+ }
+ } else if (!strncmp(s, "<!--", 4))
+ s = strstr(s + 4, "-->"); // comments
+ else if (!strncmp(s, "<?", 2)) { // processing instructions
+ if ((s = strstr(c = s + 2, "?>")))
+ switch_xml_proc_inst(root, c, s++ - c);
+ } else if (*s == '<')
+ s = strchr(s, '>'); // skip other declarations
+ else if (*(s++) == '%' && !root->standalone)
+ break;
+ }
+
+ free(pe);
+ return !*root->err;
+}
+
+// Converts a UTF-16 string to UTF-8. Returns a new string that must be freed
+// or NULL if no conversion was needed.
+static char *switch_xml_str2utf8(char **s, switch_size_t *len)
+{
+ char *u;
+ switch_size_t l = 0, sl, max = *len;
+ long c, d;
+ int b, be = (**s == '\xFE') ? 1 : (**s == '\xFF') ? 0 : -1;
+
+ if (be == -1)
+ return NULL; // not UTF-16
+
+ u = (char *)malloc(max);
+ for (sl = 2; sl < *len - 1; sl += 2) {
+ c = (be) ? (((*s)[sl] & 0xFF) << 8) | ((*s)[sl + 1] & 0xFF) //UTF-16BE
+ : (((*s)[sl + 1] & 0xFF) << 8) | ((*s)[sl] & 0xFF); //UTF-16LE
+ if (c >= 0xD800 && c <= 0xDFFF && (sl += 2) < *len - 1) { // high-half
+ d = (be) ? (((*s)[sl] & 0xFF) << 8) | ((*s)[sl + 1] & 0xFF)
+ : (((*s)[sl + 1] & 0xFF) << 8) | ((*s)[sl] & 0xFF);
+ c = (((c & 0x3FF) << 10) | (d & 0x3FF)) + 0x10000;
+ }
+
+ while (l + 6 > max) {
+ char *tmp;
+ tmp = (char *)realloc(u, max += SWITCH_XML_BUFSIZE);
+ if (!tmp) return NULL;
+ u = tmp;
+ }
+ if (c < 0x80)
+ u[l++] = (char) c; // US-ASCII subset
+ else { // multi-byte UTF-8 sequence
+ for (b = 0, d = c; d; d /= 2)
+ b++; // bits in c
+ b = (b - 2) / 5; // bytes in payload
+ u[l++] = (char) ((0xFF << (7 - b)) | (c >> (6 * b))); // head
+ while (b)
+ u[l++] = (char) (0x80 | ((c >> (6 * --b)) & 0x3F)); // payload
+ }
+ }
+ return *s = (char *)realloc(u, *len = l);
+}
+
+// frees a tag attribute list
+static void switch_xml_free_attr(char **attr)
+{
+ int i = 0;
+ char *m;
+
+ if (!attr || attr == SWITCH_XML_NIL)
+ return; // nothing to free
+ while (attr[i])
+ i += 2; // find end of attribute list
+ m = attr[i + 1]; // list of which names and values are malloced
+ for (i = 0; m[i]; i++) {
+ if (m[i] & SWITCH_XML_NAMEM)
+ free(attr[i * 2]);
+ if (m[i] & SWITCH_XML_TXTM)
+ free(attr[(i * 2) + 1]);
+ }
+ free(m);
+ free(attr);
+}
+
+// parse the given xml string and return an switch_xml structure
+SWITCH_DECLARE(switch_xml_t) switch_xml_parse_str(char *s, switch_size_t len)
+{
+ switch_xml_root_t root = (switch_xml_root_t) switch_xml_new(NULL);
+ char q, e, *d, **attr, **a = NULL; // initialize a to avoid compile warning
+ int l, i, j;
+
+ root->m = s;
+ if (!len)
+ return switch_xml_err(root, s, "root tag missing");
+ root->u = switch_xml_str2utf8(&s, &len); // convert utf-16 to utf-8
+ root->e = (root->s = s) + len; // record start and end of work area
+
+ e = s[len - 1]; // save end char
+ s[len - 1] = '\0'; // turn end char into null terminator
+
+ while (*s && *s != '<')
+ s++; // find first tag
+ if (!*s)
+ return switch_xml_err(root, s, "root tag missing");
+
+ for (;;) {
+ attr = (char **) SWITCH_XML_NIL;
+ d = ++s;
+
+ if (isalpha((int) (*s)) || *s == '_' || *s == ':' || (int8_t) *s < '\0') { // new tag
+ if (!root->cur)
+ return switch_xml_err(root, d, "markup outside of root element");
+
+ s += strcspn(s, SWITCH_XML_WS "/>");
+ while (isspace((int) (*s)))
+ *(s++) = '\0'; // null terminate tag name
+
+ if (*s && *s != '/' && *s != '>') // find tag in default attr list
+ for (i = 0; (a = root->attr[i]) && strcmp(a[0], d); i++);
+
+ for (l = 0; *s && *s != '/' && *s != '>'; l += 2) { // new attrib
+ attr = (l) ? (char **)realloc(attr, (l + 4) * sizeof(char *))
+ : (char **)malloc(4 * sizeof(char *)); // allocate space
+ attr[l + 3] = (l) ? (char *)realloc(attr[l + 1], (l / 2) + 2)
+ : (char *)malloc(2); // mem for list of maloced vals
+ strcpy(attr[l + 3] + (l / 2), " "); // value is not malloced
+ attr[l + 2] = NULL; // null terminate list
+ attr[l + 1] = (char *)""; // temporary attribute value
+ attr[l] = s; // set attribute name
+
+ s += strcspn(s, SWITCH_XML_WS "=/>");
+ if (*s == '=' || isspace((int) (*s))) {
+ *(s++) = '\0'; // null terminate tag attribute name
+ q = *(s += strspn(s, SWITCH_XML_WS "="));
+ if (q == '"' || q == '\'') { // attribute value
+ attr[l + 1] = ++s;
+ while (*s && *s != q)
+ s++;
+ if (*s)
+ *(s++) = '\0'; // null terminate attribute val
+ else {
+ switch_xml_free_attr(attr);
+ return switch_xml_err(root, d, "missing %c", q);
+ }
+
+ for (j = 1; a && a[j] && strcmp(a[j], attr[l]); j += 3);
+ attr[l + 1] = switch_xml_decode(attr[l + 1], root->ent, (a && a[j]) ? *a[j + 2] : ' ');
+ if (attr[l + 1] < d || attr[l + 1] > s)
+ attr[l + 3][l / 2] = SWITCH_XML_TXTM; // value malloced
+ }
+ }
+ while (isspace((int) (*s)))
+ s++;
+ }
+
+ if (*s == '/') { // self closing tag
+ *(s++) = '\0';
+ if ((*s && *s != '>') || (!*s && e != '>')) {
+ if (l)
+ switch_xml_free_attr(attr);
+ return switch_xml_err(root, d, "missing >");
+ }
+ switch_xml_open_tag(root, d, attr);
+ switch_xml_close_tag(root, d, s);
+ } else if ((q = *s) == '>' || (!*s && e == '>')) { // open tag
+ *s = '\0'; // temporarily null terminate tag name
+ switch_xml_open_tag(root, d, attr);
+ *s = q;
+ } else {
+ if (l)
+ switch_xml_free_attr(attr);
+ return switch_xml_err(root, d, "missing >");
+ }
+ } else if (*s == '/') { // close tag
+ s += strcspn(d = s + 1, SWITCH_XML_WS ">") + 1;
+ if (!(q = *s) && e != '>')
+ return switch_xml_err(root, d, "missing >");
+ *s = '\0'; // temporarily null terminate tag name
+ if (switch_xml_close_tag(root, d, s))
+ return &root->xml;
+ if (isspace((int) (*s = q)))
+ s += strspn(s, SWITCH_XML_WS);
+ } else if (!strncmp(s, "!--", 3)) { // xml comment
+ if (!(s = strstr(s + 3, "--")) || (*(s += 2) != '>' && *s) || (!*s && e != '>'))
+ return switch_xml_err(root, d, "unclosed <!--");
+ } else if (!strncmp(s, "![CDATA[", 8)) { // cdata
+ if ((s = strstr(s, "]]>")))
+ switch_xml_char_content(root, d + 8, (s += 2) - d - 10, 'c');
+ else
+ return switch_xml_err(root, d, "unclosed <![CDATA[");
+ } else if (!strncmp(s, "!DOCTYPE", 8)) { // dtd
+ for (l = 0; *s && ((!l && *s != '>') || (l && (*s != ']' || *(s + strspn(s + 1, SWITCH_XML_WS) + 1) != '>'))); l = (*s == '[') ? 1 : l)
+ s += strcspn(s + 1, "[]>") + 1;
+ if (!*s && e != '>')
+ return switch_xml_err(root, d, "unclosed <!DOCTYPE");
+ d = (l) ? strchr(d, '[') + 1 : d;
+ if (l && !switch_xml_internal_dtd(root, d, s++ - d))
+ return &root->xml;
+ } else if (*s == '?') { // <?...?> processing instructions
+ do {
+ s = strchr(s, '?');
+ } while (s && *(++s) && *s != '>');
+ if (!s || (!*s && e != '>'))
+ return switch_xml_err(root, d, "unclosed <?");
+ else
+ switch_xml_proc_inst(root, d + 1, s - d - 2);
+ } else
+ return switch_xml_err(root, d, "unexpected <");
+
+ if (!s || !*s)
+ break;
+ *s = '\0';
+ d = ++s;
+ if (*s && *s != '<') { // tag character content
+ while (*s && *s != '<')
+ s++;
+ if (*s)
+ switch_xml_char_content(root, d, s - d, '&');
+ else
+ break;
+ } else if (!*s)
+ break;
+ }
+
+ if (!root->cur)
+ return &root->xml;
+ else if (!root->cur->name)
+ return switch_xml_err(root, d, "root tag missing");
+ else
+ return switch_xml_err(root, d, "unclosed tag <%s>", root->cur->name);
+}
+
+// Wrapper for switch_xml_parse_str() that accepts a file stream. Reads the entire
+// stream into memory and then parses it. For xml files, use switch_xml_parse_file()
+// or switch_xml_parse_fd()
+SWITCH_DECLARE(switch_xml_t) switch_xml_parse_fp(FILE * fp)
+{
+ switch_xml_root_t root;
+ switch_size_t l, len = 0;
+ char *s;
+
+ if (!(s = (char *)malloc(SWITCH_XML_BUFSIZE)))
+ return NULL;
+ do {
+ len += (l = fread((s + len), 1, SWITCH_XML_BUFSIZE, fp));
+ if (l == SWITCH_XML_BUFSIZE) {
+ char *tmp = (char *)realloc(s, len + SWITCH_XML_BUFSIZE);
+ if (!tmp) {
+ free(s);
+ return NULL;
+ }
+ s = tmp;
+ }
+ } while (s && l == SWITCH_XML_BUFSIZE);
+
+ if (!s)
+ return NULL;
+ root = (switch_xml_root_t) switch_xml_parse_str(s, len);
+ root->dynamic = 1; // so we know to free s in switch_xml_free()
+ return &root->xml;
+}
+
+// A wrapper for switch_xml_parse_str() that accepts a file descriptor. First
+// attempts to mem map the file. Failing that, reads the file into memory.
+// Returns NULL on failure.
+SWITCH_DECLARE(switch_xml_t) switch_xml_parse_fd(int fd)
+{
+ switch_xml_root_t root;
+ struct stat st;
+ switch_size_t l;
+ void *m;
+
+ if (fd < 0)
+ return NULL;
+ fstat(fd, &st);
+
+#ifdef HAVE_MMAP
+ l = (st.st_size + sysconf(_SC_PAGESIZE) - 1) & ~(sysconf(_SC_PAGESIZE) - 1);
+ if ((m = mmap(NULL, l, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0)) != MAP_FAILED) {
+ madvise(m, l, MADV_SEQUENTIAL); // optimize for sequential access
+ root = (switch_xml_root_t) switch_xml_parse_str(m, st.st_size);
+ madvise(m, root->len = l, MADV_NORMAL); // put it back to normal
+ } else { // mmap failed, read file into memory
+#endif // HAVE_MMAP
+ m = malloc(st.st_size);
+ if (!m) return NULL;
+ l = read(fd, m, st.st_size);
+ root = (switch_xml_root_t) switch_xml_parse_str((char *)m, l);
+ root->dynamic = 1; // so we know to free s in switch_xml_free()
+#ifdef HAVE_MMAP
+ }
+#endif // HAVE_MMAP
+ return &root->xml;
+}
+
+static char *expand_vars(char *buf, char *ebuf, switch_size_t elen, switch_size_t *newlen)
+{
+ char *var, *val;
+ char *rp = buf;
+ char *wp = ebuf;
+ char *ep = ebuf + elen - 1;
+
+ if (!(var = strstr(rp, "$${"))) {
+ *newlen = strlen(buf);
+ return buf;
+ }
+
+ while (*rp && wp < ep) {
+
+ if (*rp == '$' && *(rp + 1) == '$' && *(rp + 2) == '{') {
+ char *e = strchr(rp, '}');
+
+ if (e) {
+ rp += 3;
+ var = rp;
+ *e++ = '\0';
+ rp = e;
+ if ((val = switch_core_get_variable(var))) {
+ char *p;
+ for (p = val; p && *p && wp <= ep; p++) {
+ *wp++ = *p;
+ }
+ }
+ }
+ }
+
+ *wp++ = *rp++;
+ }
+ *wp++ = '\0';
+ *newlen = strlen(ebuf);
+
+ return ebuf;
+}
+
+static int preprocess_glob(const char *cwd, const char *pattern, int write_fd, int rlevel)
+{
+ char *full_path = NULL;
+ char *dir_path = NULL, *e = NULL;
+ glob_t glob_data;
+ size_t n;
+
+ if (!switch_is_file_path(pattern)) {
+ full_path = switch_mprintf("%s%s%s", cwd, SWITCH_PATH_SEPARATOR, pattern);
+ pattern = full_path;
+ }
+
+ if(glob(pattern, GLOB_NOCHECK, NULL, &glob_data) != 0) {
+ if (stderr) {
+ fprintf(stderr, "Error including %s\n", pattern);
+ }
+ goto end;
+ }
+
+ for (n = 0; n < glob_data.gl_pathc; ++n) {
+ dir_path = strdup(glob_data.gl_pathv[n]);
+ switch_assert(dir_path);
+ if ((e = strrchr(dir_path, *SWITCH_PATH_SEPARATOR))) {
+ *e = '\0';
+ }
+ if (preprocess(dir_path, glob_data.gl_pathv[n], write_fd, rlevel) < 0) {
+ const char *reason = strerror(errno);
+ if (rlevel > 100) {
+ reason = "Maximum recursion limit reached";
+ }
+ fprintf(stderr, "Error including %s (%s)\n", pattern, reason);
+ }
+ }
+ globfree(&glob_data);
+
+ end:
+
+ switch_safe_free(full_path);
+
+ return write_fd;
+}
+
+static int preprocess(const char *cwd, const char *file, int write_fd, int rlevel)
+{
+ int read_fd = -1;
+ switch_size_t cur = 0, ml = 0;
+ char *q, *cmd, buf[2048], ebuf[8192];
+ char *tcmd, *targ;
+
+ if ((read_fd = open(file, O_RDONLY, 0)) < 0) {
+ return read_fd;
+ }
+
+ if (rlevel > 100) {
+ return -1;
+ }
+
+ while ((cur = switch_fd_read_line(read_fd, buf, sizeof(buf))) > 0) {
+ char *arg, *e;
+ char *bp = expand_vars(buf, ebuf, sizeof(ebuf), &cur);
+
+ /* we ignore <include> or </include> for the sake of validators as well as <?xml version="1.0"?> type stuff */
+ if (strstr(buf, "<include>") || strstr(buf, "</include>") || strstr(buf, "<?")) {
+ continue;
+ }
+
+ if (ml) {
+ if ((e = strstr(buf, "-->"))) {
+ ml = 0;
+ bp = e + 3;
+ cur = strlen(bp);
+ } else {
+ continue;
+ }
+ }
+
+ if ((tcmd = (char *)switch_stristr("X-pre-process", bp))) {
+ if (*(tcmd-1) != '<') {
+ continue;
+ }
+ if ((e = strstr(tcmd, "/>"))) {
+ *e += 2;
+ *e = '\0';
+ if(write(write_fd, e, (unsigned) strlen(e)) != (int) strlen(e)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Short write!\n");
+ }
+ }
+
+ if (!(tcmd = (char *)switch_stristr("cmd", tcmd))) {
+ continue;
+ }
+
+ if (!(tcmd = (char *)switch_stristr("=", tcmd))) {
+ continue;
+ }
+
+ if (!(tcmd = (char *)switch_stristr("\"", tcmd))) {
+ continue;
+ }
+
+ tcmd++;
+
+
+ if ((e = strchr(tcmd, '"'))) {
+ *e++ = '\0';
+ }
+
+ if (!(targ = (char *)switch_stristr("data", e))) {
+ continue;
+ }
+
+ if (!(targ = (char *)switch_stristr("=", targ))) {
+ continue;
+ }
+
+ if (!(targ = (char *)switch_stristr("\"", targ))) {
+ continue;
+ }
+
+ targ++;
+
+ if ((e = strchr(targ, '"'))) {
+ *e++ = '\0';
+ }
+
+ if (!strcasecmp(tcmd, "set")) {
+ char *name = (char *)targ;
+ char *val = strchr(name, '=');
+
+ if (val) {
+ char *ve = val++;
+ while (*val && *val == ' ') {
+ val++;
+ }
+ *ve-- = '\0';
+ while (*ve && *ve == ' ') {
+ *ve-- = '\0';
+ }
+ }
+
+ if (name && val) {
+ switch_core_set_variable(name, val);
+ }
+
+ } else if (!strcasecmp(tcmd, "include")) {
+ preprocess_glob(cwd, targ, write_fd, rlevel + 1);
+ }
+
+ continue;
+ }
+
+ if ((cmd = strstr(bp, "<!--#"))) {
+ if(write(write_fd, bp, (unsigned) (cmd - bp)) != (cmd - bp)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Short write!\n");
+ }
+ if ((e = strstr(cmd, "-->"))) {
+ *e = '\0';
+ e += 3;
+ if(write(write_fd, e, (unsigned) strlen(e)) != (int) strlen(e)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Short write!\n");
+ }
+ } else {
+ ml++;
+ }
+
+ cmd += 5;
+ if ((e = strchr(cmd, '\r')) || (e = strchr(cmd, '\n'))) {
+ *e = '\0';
+ }
+
+ if ((arg = strchr(cmd, ' '))) {
+ *arg++ = '\0';
+ if ((q = strchr(arg, '"'))) {
+ char *qq = q + 1;
+
+ if ((qq = strchr(qq, '"'))) {
+ *qq = '\0';
+ arg = q + 1;
+ }
+ }
+
+ if (!strcasecmp(cmd, "set")) {
+ char *name = arg;
+ char *val = strchr(name, '=');
+
+ if (val) {
+ char *ve = val++;
+ while (*val && *val == ' ') {
+ val++;
+ }
+ *ve-- = '\0';
+ while (*ve && *ve == ' ') {
+ *ve-- = '\0';
+ }
+ }
+
+ if (name && val) {
+ switch_core_set_variable(name, val);
+ }
+
+ } else if (!strcasecmp(cmd, "include")) {
+ preprocess_glob(cwd, arg, write_fd, rlevel + 1);
+ }
+ }
+
+ continue;
+ }
+
+ if(write(write_fd, bp, (unsigned) cur) != (int) cur) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Short write!\n");
+ }
+ }
+
+ close(read_fd);
+ return write_fd;
+}
+
+SWITCH_DECLARE(switch_xml_t) switch_xml_parse_file_simple(const char *file)
+{
+ int fd = -1;
+ struct stat st;
+ switch_size_t l;
+ void *m;
+ switch_xml_root_t root;
+
+ if ((fd = open(file, O_RDONLY, 0)) > -1) {
+ fstat(fd, &st);
+ m = malloc(st.st_size);
+ switch_assert(m);
+ l = read(fd, m, st.st_size);
+ root = (switch_xml_root_t) switch_xml_parse_str((char *)m, l);
+ root->dynamic = 1;
+ close(fd);
+ return &root->xml;
+ }
+
+ return NULL;
+}
+
+SWITCH_DECLARE(switch_xml_t) switch_xml_parse_file(const char *file)
+{
+ int fd = -1, write_fd = -1;
+ switch_xml_t xml = NULL;
+ char *new_file = NULL;
+ const char *abs;
+
+ if ((abs = strrchr(file, '/')) || (abs = strrchr(file, '\\'))) {
+ abs++;
+ } else {
+ abs = file;
+ }
+
+ if (!(new_file = switch_mprintf("%s%s%s.fsxml", SWITCH_GLOBAL_dirs.log_dir, SWITCH_PATH_SEPARATOR, abs))) {
+ return NULL;
+ }
+
+ if ((write_fd = open(new_file, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR)) < 0) {
+ goto done;
+ }
+
+ if (preprocess(SWITCH_GLOBAL_dirs.conf_dir, file, write_fd, 0) > -1) {
+ close(write_fd);
+ write_fd = -1;
+ if ((fd = open(new_file, O_RDONLY, 0)) > -1) {
+ if ((xml = switch_xml_parse_fd(fd))) {
+ xml->free_path = new_file;
+ new_file = NULL;
+ }
+ close(fd);
+ fd = -1;
+ }
+ }
+
+ done:
+ if (write_fd > -1) {
+ close(write_fd);
+ }
+ if (fd > -1) {
+ close(fd);
+ }
+ switch_safe_free(new_file);
+ return xml;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_xml_locate(const char *section,
+ const char *tag_name,
+ const char *key_name, const char *key_value, switch_xml_t * root, switch_xml_t * node,
+ switch_event_t *params)
+{
+ switch_xml_t conf = NULL;
+ switch_xml_t tag = NULL;
+ switch_xml_t xml = NULL;
+ switch_xml_binding_t *binding;
+ uint8_t loops = 0;
+
+ switch_mutex_lock(XML_LOCK);
+
+ for (binding = BINDINGS; binding; binding = binding->next) {
+ switch_xml_section_t sections = switch_xml_parse_section_string(section);
+
+ if (binding->sections && !(sections & binding->sections)) {
+ continue;
+ }
+
+ if ((xml = binding->function(section, tag_name, key_name, key_value, params, binding->user_data))) {
+ const char *err = NULL;
+
+ err = switch_xml_error(xml);
+ if (switch_strlen_zero(err)) {
+ if ((conf = switch_xml_find_child(xml, "section", "name", "result"))) {
+ switch_xml_t p;
+ const char *aname;
+
+ if ((p = switch_xml_child(conf, "result"))) {
+ aname = switch_xml_attr(p, "status");
+ if (aname && !strcasecmp(aname, "not found")) {
+ switch_xml_free(xml);
+ xml = NULL;
+ continue;
+ }
+ }
+ }
+ break;
+ } else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error[%s]\n", err);
+ switch_xml_free(xml);
+ xml = NULL;
+ }
+ }
+ }
+ switch_mutex_unlock(XML_LOCK);
+
+ for (;;) {
+ if (!xml) {
+ if (!(xml = switch_xml_root())) {
+ *node = NULL;
+ *root = NULL;
+ return SWITCH_STATUS_FALSE;
+ }
+ }
+
+ if ((conf = switch_xml_find_child(xml, "section", "name", section)) && (tag = switch_xml_find_child(conf, tag_name, key_name, key_value))) {
+ *node = tag;
+ *root = xml;
+ return SWITCH_STATUS_SUCCESS;
+ } else {
+ switch_xml_free(xml);
+ xml = NULL;
+ *node = NULL;
+ *root = NULL;
+ if (loops++ > 1) {
+ break;
+ }
+ }
+ }
+
+ return SWITCH_STATUS_FALSE;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_xml_locate_domain(const char *domain_name, switch_event_t *params, switch_xml_t *root, switch_xml_t *domain)
+{
+ switch_event_t *my_params = NULL;
+ switch_status_t status;
+ *domain = NULL;
+
+ if (!params) {
+ switch_event_create(&my_params, SWITCH_EVENT_MESSAGE);
+ switch_assert(my_params);
+ switch_event_add_header_string(my_params, SWITCH_STACK_BOTTOM, "domain", domain_name);
+ params = my_params;
+ }
+
+ status = switch_xml_locate("directory", "domain", "name", domain_name, root, domain, params);
+ if (my_params) {
+ switch_event_destroy(&my_params);
+ }
+ return status;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_xml_locate_user(const char *key,
+ const char *user_name,
+ const char *domain_name,
+ const char *ip,
+ switch_xml_t *root,
+ switch_xml_t *domain,
+ switch_xml_t *user,
+ switch_event_t *params)
+{
+ switch_status_t status;
+ *root = NULL;
+ *user = NULL;
+ *domain = NULL;
+
+ if (params) {
+ switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "key", key);
+
+ if (user_name) {
+ switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "user", user_name);
+ }
+
+ if (domain_name) {
+ switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "domain", domain_name);
+ }
+
+ if (ip) {
+ switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "ip", ip);
+ }
+ }
+
+
+ if ((status = switch_xml_locate_domain(domain_name, params, root, domain)) != SWITCH_STATUS_SUCCESS) {
+ return status;
+ }
+
+ if (ip) {
+ if ((*user = switch_xml_find_child(*domain, "user", "ip", ip))) {
+ return SWITCH_STATUS_SUCCESS;
+ }
+ }
+
+ if (user_name) {
+
+ if (params && switch_event_get_header(params, (char *) "mailbox")) {
+ if ((*user = switch_xml_find_child(*domain, "user", "mailbox", user_name))) {
+ return SWITCH_STATUS_SUCCESS;
+ }
+ }
+
+ if ((*user = switch_xml_find_child(*domain, "user", key, user_name))) {
+ return SWITCH_STATUS_SUCCESS;
+ }
+
+ }
+
+ return SWITCH_STATUS_FALSE;
+}
+
+SWITCH_DECLARE(switch_xml_t) switch_xml_root(void)
+{
+ lock_count++;
+ switch_thread_rwlock_rdlock(RWLOCK);
+ return MAIN_XML_ROOT;
+}
+
+static char not_so_threadsafe_error_buffer[256] = "";
+
+SWITCH_DECLARE(switch_xml_t) switch_xml_open_root(uint8_t reload, const char **err)
+{
+ char path_buf[1024];
+ uint8_t hasmain = 0, errcnt = 0;
+ switch_xml_t new_main;
+
+ switch_mutex_lock(XML_LOCK);
+
+ if (MAIN_XML_ROOT) {
+ hasmain++;
+
+ if (!reload) {
+ switch_mutex_unlock(XML_LOCK);
+ return switch_xml_root();
+ }
+ switch_thread_rwlock_wrlock(RWLOCK);
+ }
+
+ switch_snprintf(path_buf, sizeof(path_buf), "%s%s%s", SWITCH_GLOBAL_dirs.conf_dir, SWITCH_PATH_SEPARATOR, "freeswitch.xml");
+ if ((new_main = switch_xml_parse_file(path_buf))) {
+ *err = switch_xml_error(new_main);
+ switch_copy_string(not_so_threadsafe_error_buffer, *err, sizeof(not_so_threadsafe_error_buffer));
+ *err = not_so_threadsafe_error_buffer;
+ if (!switch_strlen_zero(*err)) {
+ switch_xml_free(new_main);
+ new_main = NULL;
+ errcnt++;
+ } else {
+ switch_xml_t old_root;
+ *err = "Success";
+ old_root = MAIN_XML_ROOT;
+ MAIN_XML_ROOT = new_main;
+ switch_set_flag(MAIN_XML_ROOT, SWITCH_XML_ROOT);
+ switch_xml_free(old_root);
+ }
+ } else {
+ *err = "Cannot Open log directory or XML Root!";
+ errcnt++;
+ }
+
+ if (hasmain) {
+ switch_thread_rwlock_unlock(RWLOCK);
+ }
+ switch_mutex_unlock(XML_LOCK);
+
+ if (errcnt == 0) {
+ switch_event_t *event;
+ if (switch_event_create(&event, SWITCH_EVENT_RELOADXML) == SWITCH_STATUS_SUCCESS) {
+ if (switch_event_fire(&event) != SWITCH_STATUS_SUCCESS) {
+ switch_event_destroy(&event);
+ }
+ }
+ return switch_xml_root();
+ }
+
+ return NULL;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_xml_init(switch_memory_pool_t *pool, const char **err)
+{
+ switch_xml_t xml;
+ XML_MEMORY_POOL = pool;
+ *err = "Success";
+
+ switch_mutex_init(&XML_LOCK, SWITCH_MUTEX_NESTED, XML_MEMORY_POOL);
+ switch_thread_rwlock_create(&RWLOCK, XML_MEMORY_POOL);
+
+ assert(pool != NULL);
+
+ if ((xml = switch_xml_open_root(FALSE, err))) {
+ switch_xml_free(xml);
+ return SWITCH_STATUS_SUCCESS;
+ } else {
+ return SWITCH_STATUS_FALSE;
+ }
+}
+
+SWITCH_DECLARE(switch_status_t) switch_xml_destroy(void)
+{
+ if (MAIN_XML_ROOT) {
+ switch_xml_t xml = MAIN_XML_ROOT;
+ MAIN_XML_ROOT = NULL;
+ switch_xml_free(xml);
+ return SWITCH_STATUS_SUCCESS;
+ }
+
+ return SWITCH_STATUS_FALSE;
+}
+
+SWITCH_DECLARE(switch_xml_t) switch_xml_open_cfg(const char *file_path, switch_xml_t *node, switch_event_t *params)
+{
+ switch_xml_t xml = NULL, cfg = NULL;
+
+ *node = NULL;
+
+ assert(MAIN_XML_ROOT != NULL);
+
+ if (switch_xml_locate("configuration", "configuration", "name", file_path, &xml, &cfg, params) == SWITCH_STATUS_SUCCESS) {
+ *node = cfg;
+ }
+
+ return xml;
+
+}
+
+// Encodes ampersand sequences appending the results to *dst, reallocating *dst
+// if length excedes max. a is non-zero for attribute encoding. Returns *dst
+static char *switch_xml_ampencode(const char *s, switch_size_t len, char **dst, switch_size_t *dlen, switch_size_t *max, short a)
+{
+ const char *e = NULL;
+ int immune = 0;
+
+ if (!(s && *s)) return *dst;
+
+ if (len) {
+ e = s + len;
+ }
+
+ while (s != e) {
+ while (*dlen + 10 > *max) {
+ char *tmp = (char *)realloc(*dst, *max += SWITCH_XML_BUFSIZE);
+ if (!tmp) return *dst;
+ *dst = tmp;
+ }
+
+ if (immune) {
+ if (*s == '\0') {
+ return *dst;
+ }
+ (*dst)[(*dlen)++] = *s;
+ } else
+ switch (*s) {
+ case '\0':
+ return *dst;
+ case '&':
+ *dlen += sprintf(*dst + *dlen, "&");
+ break;
+ case '<':
+ if (*(s+1) == '!') {
+ (*dst)[(*dlen)++] = *s;
+ immune++;
+ break;
+ }
+ *dlen += sprintf(*dst + *dlen, "<");
+ break;
+ case '>':
+ *dlen += sprintf(*dst + *dlen, ">");
+ break;
+ case '"':
+ *dlen += sprintf(*dst + *dlen, (a) ? """ : "\"");
+ break;
+ case '\n':
+ *dlen += sprintf(*dst + *dlen, (a) ? "
" : "\n");
+ break;
+ case '\t':
+ *dlen += sprintf(*dst + *dlen, (a) ? "	" : "\t");
+ break;
+ case '\r':
+ *dlen += sprintf(*dst + *dlen, "
");
+ break;
+ default:
+ (*dst)[(*dlen)++] = *s;
+ }
+ s++;
+ }
+ return *dst;
+}
+
+#define XML_INDENT " "
+// Recursively converts each tag to xml appending it to *s. Reallocates *s if
+// its length excedes max. start is the location of the previous tag in the
+// parent tag's character content. Returns *s.
+static char *switch_xml_toxml_r(switch_xml_t xml, char **s, switch_size_t *len, switch_size_t *max, switch_size_t start, char ***attr, uint32_t * count)
+{
+ int i, j;
+ char *txt = (char *)(xml->parent) ? xml->parent->txt : (char *)"";
+ switch_size_t off = 0;
+ uint32_t lcount = 0;
+
+ // parent character content up to this tag
+ *s = switch_xml_ampencode(txt + start, xml->off - start, s, len, max, 0);
+
+ while (*len + strlen(xml->name) + 5 + (strlen(XML_INDENT) * (*count)) + 1 > *max) { // reallocate s
+ char *tmp = (char *)realloc(*s, *max += SWITCH_XML_BUFSIZE);
+ if (!tmp) return *s;
+ *s = tmp;
+ }
+
+ if (*(*s + (*len) - 1) == '>') {
+ *len += sprintf(*s + *len, "\n"); // indent
+ }
+ for (lcount = 0; lcount < *count; lcount++) {
+ *len += sprintf(*s + *len, "%s", XML_INDENT); // indent
+ }
+
+ *len += sprintf(*s + *len, "<%s", xml->name); // open tag
+ for (i = 0; xml->attr[i]; i += 2) { // tag attributes
+ if (switch_xml_attr(xml, xml->attr[i]) != xml->attr[i + 1])
+ continue;
+ while (*len + strlen(xml->attr[i]) + 7 + (strlen(XML_INDENT) * (*count)) > *max) { // reallocate s
+ char *tmp = (char *)realloc(*s, *max += SWITCH_XML_BUFSIZE);
+ if (!tmp) return *s;
+ *s = tmp;
+ }
+
+ *len += sprintf(*s + *len, " %s=\"", xml->attr[i]);
+ switch_xml_ampencode(xml->attr[i + 1], 0, s, len, max, 1);
+ *len += sprintf(*s + *len, "\"");
+ }
+
+ for (i = 0; attr[i] && strcmp(attr[i][0], xml->name); i++);
+ for (j = 1; attr[i] && attr[i][j]; j += 3) { // default attributes
+ if (!attr[i][j + 1] || switch_xml_attr(xml, attr[i][j]) != attr[i][j + 1])
+ continue; // skip duplicates and non-values
+ while (*len + strlen(attr[i][j]) + 8 + (strlen(XML_INDENT) * (*count)) > *max) { // reallocate s
+ char *tmp = (char *)realloc(*s, *max += SWITCH_XML_BUFSIZE);
+ if (!tmp) return *s;
+ *s = tmp;
+ }
+
+ *len += sprintf(*s + *len, " %s=\"", attr[i][j]);
+ switch_xml_ampencode(attr[i][j + 1], 0, s, len, max, 1);
+ *len += sprintf(*s + *len, "\"");
+ }
+
+ *len += sprintf(*s + *len, (xml->child || xml->txt) ? ">" : "/>\n");
+
+ if (xml->child) {
+ (*count)++;
+ *s = switch_xml_toxml_r(xml->child, s, len, max, 0, attr, count);
+
+ } else {
+ *s = switch_xml_ampencode(xml->txt, 0, s, len, max, 0); //data
+ }
+
+ while (*len + strlen(xml->name) + 5 + (strlen(XML_INDENT) * (*count)) > *max) { // reallocate s
+ char *tmp = (char *)realloc(*s, *max += SWITCH_XML_BUFSIZE);
+ if (!tmp) return *s;
+ *s = tmp;
+ }
+
+ if (xml->child || xml->txt) {
+ if (*(*s + (*len) - 1) == '\n') {
+ for (lcount = 0; lcount < *count; lcount++) {
+ *len += sprintf(*s + *len, "%s", XML_INDENT); // indent
+ }
+ }
+ *len += sprintf(*s + (*len), "</%s>\n", xml->name); // close tag
+ }
+
+ while (txt[off] && off < xml->off)
+ off++; // make sure off is within bounds
+
+ if (xml->ordered) {
+ return switch_xml_toxml_r(xml->ordered, s, len, max, off, attr, count);
+
+ } else {
+ if (*count > 0)
+ (*count)--;
+ return switch_xml_ampencode(txt + off, 0, s, len, max, 0);
+ }
+}
+
+SWITCH_DECLARE(char *) switch_xml_toxml(switch_xml_t xml, switch_bool_t prn_header)
+{
+ char *s;
+ s = (char *)malloc(SWITCH_XML_BUFSIZE);
+ return switch_xml_toxml_buf(xml, s, SWITCH_XML_BUFSIZE, 0, prn_header);
+}
+
+// converts an switch_xml structure back to xml, returning a string of xml date that
+// must be freed
+SWITCH_DECLARE(char *) switch_xml_toxml_buf(switch_xml_t xml, char *buf, switch_size_t buflen, switch_size_t offset, switch_bool_t prn_header)
+{
+ switch_xml_t p = (xml) ? xml->parent : NULL, o = (xml) ? xml->ordered : NULL;
+ switch_xml_root_t root = (switch_xml_root_t) xml;
+ switch_size_t len = 0, max = buflen;
+ char *s, *t, *n, *r;
+ int i, j, k;
+ uint32_t count = 0;
+
+ s = buf;
+ assert(s != NULL);
+ memset(s, 0, max);
+ len += offset;
+ if (prn_header) {
+ len += sprintf(s + len, "<?xml version=\"1.0\"?>\n");
+ }
+
+ if (!xml || !xml->name) {
+ if (!(r = (char *)realloc(s, len + 1))) {
+ abort();
+ }
+ return r;
+ }
+
+ while (root->xml.parent) {
+ root = (switch_xml_root_t) root->xml.parent; // root tag
+ }
+
+ for (i = 0; !p && root->pi[i]; i++) { // pre-root processing instructions
+ for (k = 2; root->pi[i][k - 1]; k++);
+ for (j = 1; (n = root->pi[i][j]); j++) {
+ if (root->pi[i][k][j - 1] == '>') {
+ continue; // not pre-root
+ }
+ while (len + strlen(t = root->pi[i][0]) + strlen(n) + 7 > max) {
+ if (!(r = (char *)realloc(s, max += SWITCH_XML_BUFSIZE))) {
+ abort();
+ }
+ s = r;
+ }
+ len += sprintf(s + len, "<?%s%s%s?>", t, *n ? " " : "", n);
+ }
+ }
+
+ xml->parent = xml->ordered = NULL;
+ s = switch_xml_toxml_r(xml, &s, &len, &max, 0, root->attr, &count);
+ xml->parent = p;
+ xml->ordered = o;
+
+ for (i = 0; !p && root->pi[i]; i++) { // post-root processing instructions
+ for (k = 2; root->pi[i][k - 1]; k++);
+ for (j = 1; (n = root->pi[i][j]); j++) {
+ if (root->pi[i][k][j - 1] == '<') {
+ continue; // not post-root
+ }
+ while (len + strlen(t = root->pi[i][0]) + strlen(n) + 7 > max) {
+ if (!(r = (char *)realloc(s, max += SWITCH_XML_BUFSIZE))) {
+ abort();
+ }
+ s = r;
+ }
+ len += sprintf(s + len, "\n<?%s%s%s?>", t, *n ? " " : "", n);
+ }
+ }
+
+ if (!(r = (char *)realloc(s, len + 1))) {
+ abort();
+ }
+
+ return r;
+}
+
+// free the memory allocated for the switch_xml structure
+SWITCH_DECLARE(void) switch_xml_free(switch_xml_t xml)
+{
+ switch_xml_root_t root = (switch_xml_root_t) xml;
+ int i, j;
+ char **a, *s;
+
+
+ if (!xml)
+ return;
+
+ if (switch_test_flag(xml, SWITCH_XML_ROOT)) {
+ if (lock_count > 0) {
+ switch_thread_rwlock_unlock(RWLOCK);
+ lock_count--;
+ }
+ }
+
+ if (xml == MAIN_XML_ROOT) {
+ return;
+ }
+
+ if (xml->free_path) {
+ if (!switch_stristr("freeswitch.xml.fsxml", xml->free_path)) {
+ if (unlink(xml->free_path) != 0) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "failed to delete file [%s]\n", xml->free_path);
+ }
+ }
+ switch_safe_free(xml->free_path);
+ }
+
+ switch_xml_free(xml->child);
+ switch_xml_free(xml->ordered);
+
+ if (!xml->parent) { // free root tag allocations
+ for (i = 10; root->ent[i]; i += 2) // 0 - 9 are default entites (<>&"')
+ if ((s = root->ent[i + 1]) < root->s || s > root->e)
+ free(s);
+ free(root->ent); // free list of general entities
+
+ for (i = 0; (a = root->attr[i]); i++) {
+ for (j = 1; a[j++]; j += 2) // free malloced attribute values
+ if (a[j] && (a[j] < root->s || a[j] > root->e))
+ free(a[j]);
+ free(a);
+ }
+ if (root->attr[0])
+ free(root->attr); // free default attribute list
+
+ for (i = 0; root->pi[i]; i++) {
+ for (j = 1; root->pi[i][j]; j++);
+ free(root->pi[i][j + 1]);
+ free(root->pi[i]);
+ }
+ if (root->pi[0])
+ free(root->pi); // free processing instructions
+
+ if (root->dynamic == 1)
+ free(root->m); // malloced xml data
+#ifdef HAVE_MMAP
+ else if (root->len)
+ munmap(root->m, root->len); // mem mapped xml data
+#endif // HAVE_MMAP
+ if (root->u)
+ free(root->u); // utf8 conversion
+ }
+
+ switch_xml_free_attr(xml->attr); // tag attributes
+ if ((xml->flags & SWITCH_XML_TXTM))
+ free(xml->txt); // character content
+ if ((xml->flags & SWITCH_XML_NAMEM))
+ free(xml->name); // tag name
+ free(xml);
+}
+
+// return parser error message or empty string if none
+SWITCH_DECLARE(const char *) switch_xml_error(switch_xml_t xml)
+{
+ while (xml && xml->parent)
+ xml = xml->parent; // find root tag
+ return (xml) ? ((switch_xml_root_t) xml)->err : "";
+}
+
+// returns a new empty switch_xml structure with the given root tag name
+SWITCH_DECLARE(switch_xml_t) switch_xml_new(const char *name)
+{
+ static const char *ent[] = { "lt;", "<", "gt;", ">", "quot;", """,
+ "apos;", "'", "amp;", "&", NULL
+ };
+ switch_xml_root_t root = (switch_xml_root_t) memset(malloc(sizeof(struct switch_xml_root)),
+ '\0', sizeof(struct switch_xml_root));
+ root->xml.name = (char *) name;
+ root->cur = &root->xml;
+ strcpy(root->err, root->xml.txt = (char *)"");
+ root->ent = (char **)memcpy(malloc(sizeof(ent)), ent, sizeof(ent));
+ root->attr = root->pi = (char ***) (root->xml.attr = SWITCH_XML_NIL);
+ return &root->xml;
+}
+
+// inserts an existing tag into an switch_xml structure
+SWITCH_DECLARE(switch_xml_t) switch_xml_insert(switch_xml_t xml, switch_xml_t dest, switch_size_t off)
+{
+ switch_xml_t cur, prev, head;
+
+ xml->next = xml->sibling = xml->ordered = NULL;
+ xml->off = off;
+ xml->parent = dest;
+
+ if ((head = dest->child)) { // already have sub tags
+ if (head->off <= off) { // not first subtag
+ for (cur = head; cur->ordered && cur->ordered->off <= off; cur = cur->ordered);
+ xml->ordered = cur->ordered;
+ cur->ordered = xml;
+ } else { // first subtag
+ xml->ordered = head;
+ dest->child = xml;
+ }
+
+ for (cur = head, prev = NULL; cur && strcmp(cur->name, xml->name); prev = cur, cur = cur->sibling); // find tag type
+ if (cur && cur->off <= off) { // not first of type
+ while (cur->next && cur->next->off <= off)
+ cur = cur->next;
+ xml->next = cur->next;
+ cur->next = xml;
+ } else { // first tag of this type
+ if (prev && cur)
+ prev->sibling = cur->sibling; // remove old first
+ xml->next = cur; // old first tag is now next
+ for (cur = head, prev = NULL; cur && cur->off <= off; prev = cur, cur = cur->sibling); // new sibling insert point
+ xml->sibling = cur;
+ if (prev)
+ prev->sibling = xml;
+ }
+ } else
+ dest->child = xml; // only sub tag
+
+ return xml;
+}
+
+// Adds a child tag. off is the offset of the child tag relative to the start
+// of the parent tag's character content. Returns the child tag
+SWITCH_DECLARE(switch_xml_t) switch_xml_add_child(switch_xml_t xml, const char *name, switch_size_t off)
+{
+ switch_xml_t child;
+
+ if (!xml)
+ return NULL;
+ child = (switch_xml_t) memset(malloc(sizeof(struct switch_xml)), '\0', sizeof(struct switch_xml));
+ child->name = (char *) name;
+ child->attr = SWITCH_XML_NIL;
+ child->off = off;
+ child->parent = xml;
+ child->txt = (char *)"";
+
+ return switch_xml_insert(child, xml, off);
+}
+
+// sets the character content for the given tag and returns the tag
+SWITCH_DECLARE(switch_xml_t) switch_xml_set_txt(switch_xml_t xml, const char *txt)
+{
+ if (!xml)
+ return NULL;
+ if (xml->flags & SWITCH_XML_TXTM)
+ free(xml->txt); // existing txt was malloced
+ xml->flags &= ~SWITCH_XML_TXTM;
+ xml->txt = (char *) txt;
+ return xml;
+}
+
+// Sets the given tag attribute or adds a new attribute if not found. A value
+// of NULL will remove the specified attribute. Returns the tag given
+SWITCH_DECLARE(switch_xml_t) switch_xml_set_attr(switch_xml_t xml, const char *name, const char *value)
+{
+ int l = 0, c;
+
+ if (!xml)
+ return NULL;
+ while (xml->attr[l] && strcmp(xml->attr[l], name))
+ l += 2;
+ if (!xml->attr[l]) { // not found, add as new attribute
+ if (!value)
+ return xml; // nothing to do
+ if (xml->attr == SWITCH_XML_NIL) { // first attribute
+ xml->attr = (char **)malloc(4 * sizeof(char *));
+ if (!xml->attr) return NULL;
+ xml->attr[1] = strdup(""); // empty list of malloced names/vals
+ } else {
+ char **tmp = (char **)realloc(xml->attr, (l + 4) * sizeof(char *));
+ if (!tmp) return xml;
+ xml->attr = tmp;
+ }
+
+ xml->attr[l] = (char *) name; // set attribute name
+ xml->attr[l + 2] = NULL; // null terminate attribute list
+ xml->attr[l + 3] = (char *)realloc(xml->attr[l + 1], (c = (int) strlen(xml->attr[l + 1])) + 2);
+ strcpy(xml->attr[l + 3] + c, " "); // set name/value as not malloced
+ if (xml->flags & SWITCH_XML_DUP)
+ xml->attr[l + 3][c] = SWITCH_XML_NAMEM;
+ } else if (xml->flags & SWITCH_XML_DUP)
+ free((char *) name); // name was strduped
+
+ for (c = l; xml->attr[c]; c += 2); // find end of attribute list
+ if (xml->attr[c + 1][l / 2] & SWITCH_XML_TXTM)
+ free(xml->attr[l + 1]); //old val
+ if (xml->flags & SWITCH_XML_DUP)
+ xml->attr[c + 1][l / 2] |= SWITCH_XML_TXTM;
+ else
+ xml->attr[c + 1][l / 2] &= ~SWITCH_XML_TXTM;
+
+ if (value)
+ xml->attr[l + 1] = (char *) value; // set attribute value
+ else { // remove attribute
+ char **tmp;
+ if (xml->attr[c + 1][l / 2] & SWITCH_XML_NAMEM)
+ free(xml->attr[l]);
+ memmove(xml->attr + l, xml->attr + l + 2, (c - l + 2) * sizeof(char *));
+ tmp =(char **)realloc(xml->attr, (c + 2) * sizeof(char *));
+ if (!tmp) return xml;
+ xml->attr = tmp;
+ memmove(xml->attr[c + 1] + (l / 2), xml->attr[c + 1] + (l / 2) + 1, (c / 2) - (l / 2)); // fix list of which name/vals are malloced
+ }
+ xml->flags &= ~SWITCH_XML_DUP; // clear strdup() flag
+
+ return xml;
+}
+
+// sets a flag for the given tag and returns the tag
+SWITCH_DECLARE(switch_xml_t) switch_xml_set_flag(switch_xml_t xml, switch_xml_flag_t flag)
+{
+ if (xml)
+ xml->flags |= flag;
+ return xml;
+}
+
+// removes a tag along with its subtags without freeing its memory
+SWITCH_DECLARE(switch_xml_t) switch_xml_cut(switch_xml_t xml)
+{
+ switch_xml_t cur;
+
+ if (!xml)
+ return NULL; // nothing to do
+ if (xml->next)
+ xml->next->sibling = xml->sibling; // patch sibling list
+
+ if (xml->parent) { // not root tag
+ cur = xml->parent->child; // find head of subtag list
+ if (cur == xml)
+ xml->parent->child = xml->ordered; // first subtag
+ else { // not first subtag
+ while (cur->ordered != xml)
+ cur = cur->ordered;
+ cur->ordered = cur->ordered->ordered; // patch ordered list
+
+ cur = xml->parent->child; // go back to head of subtag list
+ if (strcmp(cur->name, xml->name)) { // not in first sibling list
+ while (strcmp(cur->sibling->name, xml->name))
+ cur = cur->sibling;
+ if (cur->sibling == xml) { // first of a sibling list
+ cur->sibling = (xml->next) ? xml->next : cur->sibling->sibling;
+ } else
+ cur = cur->sibling; // not first of a sibling list
+ }
+
+ while (cur->next && cur->next != xml)
+ cur = cur->next;
+ if (cur->next)
+ cur->next = cur->next->next; // patch next list
+ }
+ }
+ xml->ordered = xml->sibling = xml->next = NULL; // prevent switch_xml_free() from clobbering ordered list
+ return xml;
+}
+
+#ifdef WIN32
+/*
+ * globbing functions for windows, part of libc on unix, this code was cut and paste from
+ * freebsd lib and distilled a bit to work with windows
+ */
+
+/*
+ * Copyright (c) 1989, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Guido van Rossum.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#define DOLLAR '$'
+#define DOT '.'
+#define EOS '\0'
+#define LBRACKET '['
+#define NOT '!'
+#define QUESTION '?'
+#define RANGE '-'
+#define RBRACKET ']'
+#define SEP '/'
+#define WIN_SEP '\\'
+#define STAR '*'
+#define TILDE '~'
+#define UNDERSCORE '_'
+#define LBRACE '{'
+#define RBRACE '}'
+#define SLASH '/'
+#define COMMA ','
+
+#define M_QUOTE (char)0x80
+#define M_PROTECT (char)0x40
+#define M_MASK (char)0xff
+#define M_ASCII (char)0x7f
+
+#define CHAR(c) ((char)((c)&M_ASCII))
+#define META(c) ((char)((c)|M_QUOTE))
+#define M_ALL META('*')
+#define M_END META(']')
+#define M_NOT META('!')
+#define M_ONE META('?')
+#define M_RNG META('-')
+#define M_SET META('[')
+#define ismeta(c) (((c)&M_QUOTE) != 0)
+
+#ifndef MAXPATHLEN
+#define MAXPATHLEN 256
+#endif
+
+static int compare(const void *, const void *);
+static int glob0(const char *, glob_t *, int *);
+static int glob1(char *, glob_t *, int *);
+static int glob2(char *, char *, char *, char *, glob_t *, int *);
+static int glob3(char *, char *, char *, char *, char *, glob_t *, int *);
+static int globextend(const char *, glob_t *, int *);
+static int match(char *, char *, char *);
+
+#pragma warning(push)
+#pragma warning(disable:4310)
+
+int glob(const char *pattern, int flags, int (*errfunc)(const char *, int), glob_t *pglob)
+{
+ const unsigned char *patnext;
+ int limit;
+ char c;
+ char *bufnext, *bufend, patbuf[MAXPATHLEN];
+
+ patnext = (unsigned char *) pattern;
+ if (!(flags & GLOB_APPEND)) {
+ pglob->gl_pathc = 0;
+ pglob->gl_pathv = NULL;
+ if (!(flags & GLOB_DOOFFS))
+ pglob->gl_offs = 0;
+ }
+ if (flags & GLOB_LIMIT) {
+ limit = pglob->gl_matchc;
+ if (limit == 0)
+ limit = 9999999;
+ } else
+ limit = 0;
+ pglob->gl_flags = flags & ~GLOB_MAGCHAR;
+ pglob->gl_errfunc = errfunc;
+ pglob->gl_matchc = 0;
+
+ bufnext = patbuf;
+ bufend = bufnext + MAXPATHLEN - 1;
+ while (bufnext < bufend && (c = *patnext++) != EOS)
+ *bufnext++ = c;
+ *bufnext = EOS;
+
+ return glob0(patbuf, pglob, &limit);
+}
+
+/*
+ * The main glob() routine: compiles the pattern (optionally processing
+ * quotes), calls glob1() to do the real pattern matching, and finally
+ * sorts the list (unless unsorted operation is requested). Returns 0
+ * if things went well, nonzero if errors occurred.
+ */
+static int glob0(const char *pattern, glob_t *pglob, int *limit)
+{
+ const char *qpatnext;
+ int c, err;
+ unsigned int oldpathc;
+ char *bufnext, patbuf[MAXPATHLEN];
+
+ qpatnext = pattern;
+ oldpathc = pglob->gl_pathc;
+ bufnext = patbuf;
+
+ /* We don't need to check for buffer overflow any more. */
+ while ((c = *qpatnext++) != EOS) {
+ switch (c) {
+ case SEP:
+ *bufnext++ = WIN_SEP;
+ break;
+ case LBRACKET:
+ c = *qpatnext;
+ if (c == NOT)
+ ++qpatnext;
+ if (*qpatnext == EOS ||
+ strchr((char *) qpatnext+1, RBRACKET) == NULL) {
+ *bufnext++ = LBRACKET;
+ if (c == NOT)
+ --qpatnext;
+ break;
+ }
+ *bufnext++ = M_SET;
+ if (c == NOT)
+ *bufnext++ = M_NOT;
+ c = *qpatnext++;
+ do {
+ *bufnext++ = CHAR(c);
+ if (*qpatnext == RANGE &&
+ (c = qpatnext[1]) != RBRACKET) {
+ *bufnext++ = M_RNG;
+ *bufnext++ = CHAR(c);
+ qpatnext += 2;
+ }
+ } while ((c = *qpatnext++) != RBRACKET);
+ pglob->gl_flags |= GLOB_MAGCHAR;
+ *bufnext++ = M_END;
+ break;
+ case QUESTION:
+ pglob->gl_flags |= GLOB_MAGCHAR;
+ *bufnext++ = M_ONE;
+ break;
+ case STAR:
+ pglob->gl_flags |= GLOB_MAGCHAR;
+ /* collapse adjacent stars to one,
+ * to avoid exponential behavior
+ */
+ if (bufnext == patbuf || bufnext[-1] != M_ALL)
+ *bufnext++ = M_ALL;
+ break;
+ default:
+ *bufnext++ = CHAR(c);
+ break;
+ }
+ }
+ *bufnext = EOS;
+
+ if ((err = glob1(patbuf, pglob, limit)) != 0)
+ return(err);
+
+ /*
+ * If there was no match we are going to append the pattern
+ * if GLOB_NOCHECK was specified or if GLOB_NOMAGIC was specified
+ * and the pattern did not contain any magic characters
+ * GLOB_NOMAGIC is there just for compatibility with csh.
+ */
+ if (pglob->gl_pathc == oldpathc) {
+ if (((pglob->gl_flags & GLOB_NOCHECK) ||
+ ((pglob->gl_flags & GLOB_NOMAGIC) &&
+ !(pglob->gl_flags & GLOB_MAGCHAR))))
+ return(globextend(pattern, pglob, limit));
+ else
+ return(GLOB_NOMATCH);
+ }
+ if (!(pglob->gl_flags & GLOB_NOSORT))
+ qsort(pglob->gl_pathv + pglob->gl_offs + oldpathc,
+ pglob->gl_pathc - oldpathc, sizeof(char *), compare);
+ return(0);
+}
+
+static int compare(const void *p, const void *q)
+{
+ return(strcmp(*(char **)p, *(char **)q));
+}
+
+static int glob1(char *pattern, glob_t *pglob, int *limit)
+{
+ char pathbuf[MAXPATHLEN];
+
+ /* A null pathname is invalid -- POSIX 1003.1 sect. 2.4. */
+ if (*pattern == EOS)
+ return(0);
+ return(glob2(pathbuf, pathbuf, pathbuf + MAXPATHLEN - 1,
+ pattern, pglob, limit));
+}
+
+/*
+ * The functions glob2 and glob3 are mutually recursive; there is one level
+ * of recursion for each segment in the pattern that contains one or more
+ * meta characters.
+ */
+static int glob2(char *pathbuf, char *pathend, char *pathend_last, char *pattern, glob_t *pglob, int *limit)
+{
+ struct stat sb;
+ char *p, *q;
+ int anymeta;
+
+ /*
+ * Loop over pattern segments until end of pattern or until
+ * segment with meta character found.
+ */
+ for (anymeta = 0;;) {
+ if (*pattern == EOS) { /* End of pattern? */
+ *pathend = EOS;
+ if (stat(pathbuf, &sb))
+ return(0);
+
+ if (((pglob->gl_flags & GLOB_MARK) && pathend[-1] != SEP && pathend[-1] != WIN_SEP) && (_S_IFDIR & sb.st_mode) ) {
+ if (pathend + 1 > pathend_last)
+ return (GLOB_ABORTED);
+ *pathend++ = WIN_SEP;
+ *pathend = EOS;
+ }
+ ++pglob->gl_matchc;
+ return(globextend(pathbuf, pglob, limit));
+ }
+
+ /* Find end of next segment, copy tentatively to pathend. */
+ q = pathend;
+ p = pattern;
+ while (*p != EOS && *p != SEP && *p != WIN_SEP) {
+ if (ismeta(*p))
+ anymeta = 1;
+ if (q + 1 > pathend_last)
+ return (GLOB_ABORTED);
+ *q++ = *p++;
+ }
+
+ if (!anymeta) { /* No expansion, do next segment. */
+ pathend = q;
+ pattern = p;
+ while (*pattern == SEP || *pattern == WIN_SEP) {
+ if (pathend + 1 > pathend_last)
+ return (GLOB_ABORTED);
+ *pathend++ = *pattern++;
+ }
+ } else /* Need expansion, recurse. */
+ return(glob3(pathbuf, pathend, pathend_last, pattern, p,
+ pglob, limit));
+ }
+ /* NOTREACHED */
+}
+
+static int glob3(char *pathbuf, char *pathend, char *pathend_last, char *pattern, char *restpattern, glob_t *pglob, int *limit)
+{
+ int err;
+ apr_dir_t * dirp;
+ apr_pool_t * pool;
+
+ apr_pool_create(&pool, NULL);
+
+ if (pathend > pathend_last)
+ return (GLOB_ABORTED);
+ *pathend = EOS;
+ errno = 0;
+
+ if(apr_dir_open (&dirp, pathbuf, pool) != APR_SUCCESS) {
+ /* TODO: don't call for ENOENT or ENOTDIR? */
+ apr_pool_destroy(pool);
+ if (pglob->gl_errfunc) {
+ if (pglob->gl_errfunc(pathbuf, errno) ||
+ pglob->gl_flags & GLOB_ERR)
+ return (GLOB_ABORTED);
+ }
+ return(0);
+ }
+
+ err = 0;
+
+ /* Search directory for matching names. */
+ while (dirp)
+ {
+ apr_finfo_t dp;
+ unsigned char *sc;
+ char *dc;
+
+ if(apr_dir_read(&dp, APR_FINFO_NAME, dirp) != APR_SUCCESS)
+ break;
+ if(!(dp.valid & APR_FINFO_NAME) || !(dp.name) || !strlen(dp.name))
+ break;
+
+ /* Initial DOT must be matched literally. */
+ if (dp.name[0] == DOT && *pattern != DOT)
+ continue;
+ dc = pathend;
+ sc = (unsigned char *) dp.name;
+
+ while (dc < pathend_last && (*dc++ = *sc++) != EOS);
+
+ if (!match(pathend, pattern, restpattern)) {
+ *pathend = EOS;
+ continue;
+ }
+ err = glob2(pathbuf, --dc, pathend_last, restpattern,
+ pglob, limit);
+ if (err)
+ break;
+ }
+
+ if(dirp)
+ apr_dir_close (dirp);
+ apr_pool_destroy(pool);
+ return(err);
+}
+
+
+/*
+ * Extend the gl_pathv member of a glob_t structure to accomodate a new item,
+ * add the new item, and update gl_pathc.
+ *
+ * This assumes the BSD realloc, which only copies the block when its size
+ * crosses a power-of-two boundary; for v7 realloc, this would cause quadratic
+ * behavior.
+ *
+ * Return 0 if new item added, error code if memory couldn't be allocated.
+ *
+ * Invariant of the glob_t structure:
+ * Either gl_pathc is zero and gl_pathv is NULL; or gl_pathc > 0 and
+ * gl_pathv points to (gl_offs + gl_pathc + 1) items.
+ */
+static int globextend(const char *path, glob_t *pglob, int *limit)
+{
+ char **pathv;
+ char * copy;
+ int i;
+ unsigned int newsize, len;
+ const char *p;
+
+ if (*limit && pglob->gl_pathc > (unsigned int)(*limit)) {
+ errno = 0;
+ return (GLOB_NOSPACE);
+ }
+
+ newsize = sizeof(*pathv) * (2 + pglob->gl_pathc + pglob->gl_offs);
+ pathv = pglob->gl_pathv ?
+ realloc((char *)pglob->gl_pathv, newsize) :
+ malloc(newsize);
+ if (pathv == NULL) {
+ if (pglob->gl_pathv) {
+ free(pglob->gl_pathv);
+ pglob->gl_pathv = NULL;
+ }
+ return(GLOB_NOSPACE);
+ }
+
+ if (pglob->gl_pathv == NULL && pglob->gl_offs > 0) {
+ /* first time around -- clear initial gl_offs items */
+ pathv += pglob->gl_offs;
+ for (i = pglob->gl_offs; --i >= 0; )
+ *--pathv = NULL;
+ }
+ pglob->gl_pathv = pathv;
+
+ for (p = path; *p++;)
+ continue;
+ len = (size_t)(p - path);
+ if ((copy = malloc(len)) != NULL) {
+ memcpy(copy, path, len);
+ pathv[pglob->gl_offs + pglob->gl_pathc++] = copy;
+ }
+ pathv[pglob->gl_offs + pglob->gl_pathc] = NULL;
+ return(copy == NULL ? GLOB_NOSPACE : 0);
+}
+
+/*
+ * pattern matching function for filenames. Each occurrence of the *
+ * pattern causes a recursion level.
+ */
+static int match(char *name, char *pat, char *patend)
+{
+ int ok, negate_range;
+ char c, k;
+ char s1[6];
+
+ while (pat < patend) {
+ c = *pat++;
+ switch (c & M_MASK) {
+ case M_ALL:
+ if (pat == patend)
+ return(1);
+ do
+ if (match(name, pat, patend))
+ return(1);
+ while (*name++ != EOS);
+ return(0);
+ case M_ONE:
+ if (*name++ == EOS)
+ return(0);
+ break;
+ case M_SET:
+ ok = 0;
+ if ((k = *name++) == EOS)
+ return(0);
+ if ((negate_range = ((*pat & M_MASK) == M_NOT)) != EOS)
+ ++pat;
+ while (((c = *pat++) & M_MASK) != M_END)
+ if ((*pat & M_MASK) == M_RNG) {
+ memset(s1, 0, sizeof(s1));
+ s1[0] = c;
+ s1[2] = k;
+ s1[4] = pat[1];
+ if (strcoll(&s1[0], &s1[2]) <= 0 && strcoll(&s1[2], &s1[4]) <= 0)
+ ok = 1;
+ pat += 2;
+ } else if (c == k)
+ ok = 1;
+ if (ok == negate_range)
+ return(0);
+ break;
+ default:
+ if (*name++ != c)
+ return(0);
+ break;
+ }
+ }
+ return(*name == EOS);
+}
+
+/* Free allocated data belonging to a glob_t structure. */
+void globfree(glob_t *pglob)
+{
+ int i;
+ char **pp;
+
+ if (pglob->gl_pathv != NULL) {
+ pp = pglob->gl_pathv + pglob->gl_offs;
+ for (i = pglob->gl_pathc; i--; ++pp)
+ if (*pp)
+ free(*pp);
+ free(pglob->gl_pathv);
+ pglob->gl_pathv = NULL;
+ }
+}
+#pragma warning(pop)
+#endif
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4:
+ */
projects / thirdparty / freeswitch.git / commitdiff
