Newer
Older
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}
}
}
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set_fn(fn, sizeof(fn), 0, configfile); /* just set fn to absolute ver of configfile */
#ifdef __CYGWIN__
if ((f = fopen(fn, "w+"))) {
#else
if ((f = fopen(fn, "w"))) {
#endif
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_2 "Saving '%s': ", fn);
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gen_header(f, configfile, fn, generator);
cat = cfg->root;
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fclose(f);
/* from here out, we open each involved file and concat the stuff we need to add to the end and immediately close... */
/* since each var, cat, and associated comments can come from any file, we have to be
mobile, and open each file, print, and close it on an entry-by-entry basis */
while(cat) {
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set_fn(fn, sizeof(fn), cat->file, configfile);
f = fopen(fn, "a");
if (!f)
{
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ast_verbose(VERBOSE_PREFIX_2 "Unable to write %s (%s)", fn, strerror(errno));
return -1;
}
/* dump any includes that happen before this category header */
for (incl=cfg->includes; incl; incl = incl->next) {
if (strcmp(incl->include_location_file, cat->file) == 0){
if (cat->lineno > incl->include_location_lineno && !incl->output) {
if (incl->exec)
fprintf(f,"#exec \"%s\"\n", incl->exec_file);
else
fprintf(f,"#include \"%s\"\n", incl->included_file);
incl->output = 1;
}
}
}
/* Dump section with any appropriate comment */
for (cmt = cat->precomments; cmt; cmt=cmt->next) {
if (cmt->cmt[0] != ';' || cmt->cmt[1] != '!')
fprintf(f,"%s", cmt->cmt);
}
if (!cat->precomments)
fprintf(f,"\n");
fprintf(f, "[%s]", cat->name);
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for(cmt = cat->sameline; cmt; cmt=cmt->next) {
fprintf(f,"%s", cmt->cmt);
}
if (!cat->sameline)
fprintf(f,"\n");
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fclose(f);
var = cat->root;
while(var) {
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set_fn(fn, sizeof(fn), var->file, configfile);
f = fopen(fn, "a");
if (!f)
{
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ast_verbose(VERBOSE_PREFIX_2 "Unable to write %s (%s)", fn, strerror(errno));
return -1;
}
/* dump any includes that happen before this category header */
for (incl=cfg->includes; incl; incl = incl->next) {
if (strcmp(incl->include_location_file, var->file) == 0){
if (var->lineno > incl->include_location_lineno && !incl->output) {
if (incl->exec)
fprintf(f,"#exec \"%s\"\n", incl->exec_file);
else
fprintf(f,"#include \"%s\"\n", incl->included_file);
incl->output = 1;
}
}
}
for (cmt = var->precomments; cmt; cmt=cmt->next) {
if (cmt->cmt[0] != ';' || cmt->cmt[1] != '!')
fprintf(f,"%s", cmt->cmt);
}
if (var->sameline)
fprintf(f, "%s %s %s %s", var->name, (var->object ? "=>" : "="), var->value, var->sameline->cmt);
else
fprintf(f, "%s %s %s\n", var->name, (var->object ? "=>" : "="), var->value);
if (var->blanklines) {
blanklines = var->blanklines;
while (blanklines--)
fprintf(f, "\n");
}
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fclose(f);
var = var->next;
}
cat = cat->next;
}
if ((option_verbose > 1) && !option_debug)
ast_verbose("Saved\n");
} else {
if (option_debug)
ast_log(LOG_DEBUG, "Unable to open for writing: %s\n", fn);
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_2 "Unable to write (%s)", strerror(errno));
return -1;
}
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committed
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/* Now, for files with trailing #include/#exec statements,
we have to make sure every entry is output */
for (incl=cfg->includes; incl; incl = incl->next) {
if (!incl->output) {
/* open the respective file */
set_fn(fn, sizeof(fn), incl->include_location_file, configfile);
f = fopen(fn, "a");
if (!f)
{
ast_verbose(VERBOSE_PREFIX_2 "Unable to write %s (%s)", fn, strerror(errno));
return -1;
}
/* output the respective include */
if (incl->exec)
fprintf(f,"#exec \"%s\"\n", incl->exec_file);
else
fprintf(f,"#include \"%s\"\n", incl->included_file);
fclose(f);
incl->output = 1;
}
}
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return 0;
}
/* ================ the Line ========================================
above this line, you have what you need to load a config file,
and below it, you have what you need to process the extensions.conf
file into the context/exten/prio stuff. They are both in one file
to make things simpler */
static struct ast_context *local_contexts = NULL;
static struct ast_context *contexts = NULL;
struct ast_context;
struct ast_app;
#ifdef LOW_MEMORY
#define EXT_DATA_SIZE 256
#else
#define EXT_DATA_SIZE 8192
#endif
/*!
* When looking up extensions, we can have different requests
* identified by the 'action' argument, as follows.
* Note that the coding is such that the low 4 bits are the
* third argument to extension_match_core.
*/
enum ext_match_t {
E_MATCHMORE = 0x00, /* extension can match but only with more 'digits' */
E_CANMATCH = 0x01, /* extension can match with or without more 'digits' */
E_MATCH = 0x02, /* extension is an exact match */
E_MATCH_MASK = 0x03, /* mask for the argument to extension_match_core() */
E_SPAWN = 0x12, /* want to spawn an extension. Requires exact match */
E_FINDLABEL = 0x22 /* returns the priority for a given label. Requires exact match */
};
#ifdef NOT_ANYMORE
static AST_RWLIST_HEAD_STATIC(switches, ast_switch);
#endif
#define SWITCH_DATA_LENGTH 256
static const char *ast_get_extension_app(struct ast_exten *e)
{
return e ? e->app : NULL;
}
static const char *ast_get_extension_name(struct ast_exten *exten)
{
return exten ? exten->exten : NULL;
}
static AST_RWLIST_HEAD_STATIC(hints, ast_hint);
/*! \brief ast_change_hint: Change hint for an extension */
static int ast_change_hint(struct ast_exten *oe, struct ast_exten *ne)
{
struct ast_hint *hint;
int res = -1;
AST_RWLIST_TRAVERSE(&hints, hint, list) {
if (hint->exten == oe) {
hint->exten = ne;
res = 0;
break;
}
}
return res;
}
/*! \brief ast_add_hint: Add hint to hint list, check initial extension state */
static int ast_add_hint(struct ast_exten *e)
{
struct ast_hint *hint;
if (!e)
return -1;
/* Search if hint exists, do nothing */
AST_RWLIST_TRAVERSE(&hints, hint, list) {
if (hint->exten == e) {
if (option_debug > 1)
ast_log(LOG_DEBUG, "HINTS: Not re-adding existing hint %s: %s\n", ast_get_extension_name(e), ast_get_extension_app(e));
return -1;
}
}
if (option_debug > 1)
ast_log(LOG_DEBUG, "HINTS: Adding hint %s: %s\n", ast_get_extension_name(e), ast_get_extension_app(e));
if (!(hint = ast_calloc(1, sizeof(*hint)))) {
return -1;
}
/* Initialize and insert new item at the top */
hint->exten = e;
AST_RWLIST_INSERT_HEAD(&hints, hint, list);
return 0;
}
/*! \brief add the extension in the priority chain.
* returns 0 on success, -1 on failure
*/
static int add_pri(struct ast_context *con, struct ast_exten *tmp,
struct ast_exten *el, struct ast_exten *e, int replace)
{
struct ast_exten *ep;
for (ep = NULL; e ; ep = e, e = e->peer) {
if (e->priority >= tmp->priority)
break;
}
if (!e) { /* go at the end, and ep is surely set because the list is not empty */
ep->peer = tmp;
return 0; /* success */
}
if (e->priority == tmp->priority) {
/* Can't have something exactly the same. Is this a
replacement? If so, replace, otherwise, bonk. */
if (!replace) {
ast_log(LOG_WARNING, "Unable to register extension '%s', priority %d in '%s', already in use\n", tmp->exten, tmp->priority, con->name);
tmp->datad(tmp->data);
free(tmp);
return -1;
}
/* we are replacing e, so copy the link fields and then update
* whoever pointed to e to point to us
*/
tmp->next = e->next; /* not meaningful if we are not first in the peer list */
tmp->peer = e->peer; /* always meaningful */
if (ep) /* We're in the peer list, just insert ourselves */
ep->peer = tmp;
else if (el) /* We're the first extension. Take over e's functions */
el->next = tmp;
else /* We're the very first extension. */
con->root = tmp;
if (tmp->priority == PRIORITY_HINT)
ast_change_hint(e,tmp);
/* Destroy the old one */
e->datad(e->data);
free(e);
} else { /* Slip ourselves in just before e */
tmp->peer = e;
tmp->next = e->next; /* extension chain, or NULL if e is not the first extension */
if (ep) /* Easy enough, we're just in the peer list */
ep->peer = tmp;
else { /* we are the first in some peer list, so link in the ext list */
if (el)
el->next = tmp; /* in the middle... */
else
con->root = tmp; /* ... or at the head */
e->next = NULL; /* e is no more at the head, so e->next must be reset */
}
/* And immediately return success. */
if (tmp->priority == PRIORITY_HINT)
ast_add_hint(tmp);
}
return 0;
}
/*! \brief ast_remove_hint: Remove hint from extension */
static int ast_remove_hint(struct ast_exten *e)
{
/* Cleanup the Notifys if hint is removed */
struct ast_hint *hint;
struct ast_state_cb *cblist, *cbprev;
int res = -1;
if (!e)
return -1;
AST_RWLIST_TRAVERSE_SAFE_BEGIN(&hints, hint, list) {
if (hint->exten == e) {
cbprev = NULL;
cblist = hint->callbacks;
while (cblist) {
/* Notify with -1 and remove all callbacks */
cbprev = cblist;
cblist = cblist->next;
free(cbprev);
}
hint->callbacks = NULL;
AST_RWLIST_REMOVE_CURRENT(&hints, list);
free(hint);
res = 0;
break;
}
}
AST_RWLIST_TRAVERSE_SAFE_END
return res;
}
static void destroy_exten(struct ast_exten *e)
{
if (e->priority == PRIORITY_HINT)
ast_remove_hint(e);
if (e->datad)
e->datad(e->data);
free(e);
}
char *days[] =
{
"sun",
"mon",
"tue",
"wed",
"thu",
"fri",
"sat",
NULL,
};
char *months[] =
{
"jan",
"feb",
"mar",
"apr",
"may",
"jun",
"jul",
"aug",
"sep",
"oct",
"nov",
"dec",
NULL,
};
int ast_build_timing(struct ast_timing *i, const char *info_in);
int ast_build_timing(struct ast_timing *i, const char *info_in)
{
char *info_save, *info;
int j, num_fields, last_sep = -1;
/* Check for empty just in case */
if (ast_strlen_zero(info_in)) {
return 0;
/* make a copy just in case we were passed a static string */
info_save = info = ast_strdupa(info_in);
/* count the number of fields in the timespec */
for (j = 0, num_fields = 1; info[j] != '\0'; j++) {
if (info[j] == ',') {
last_sep = j;
num_fields++;
}
}
/* save the timezone, if it is specified */
if (num_fields == 5) {
i->timezone = ast_strdup(info + last_sep + 1);
} else {
i->timezone = NULL;
}
/* Assume everything except time */
i->monthmask = 0xfff; /* 12 bits */
i->daymask = 0x7fffffffU; /* 31 bits */
i->dowmask = 0x7f; /* 7 bits */
/* on each call, use strsep() to move info to the next argument */
get_timerange(i, strsep(&info, "|,"));
if (info)
i->dowmask = get_range(strsep(&info, "|,"), 7, days, "day of week");
if (info)
i->daymask = get_range(strsep(&info, "|,"), 31, NULL, "day");
if (info)
i->monthmask = get_range(strsep(&info, "|,"), 12, months, "month");
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return 1;
}
/*!
* \brief helper functions to sort extensions and patterns in the desired way,
* so that more specific patterns appear first.
*
* ext_cmp1 compares individual characters (or sets of), returning
* an int where bits 0-7 are the ASCII code of the first char in the set,
* while bit 8-15 are the cardinality of the set minus 1.
* This way more specific patterns (smaller cardinality) appear first.
* Wildcards have a special value, so that we can directly compare them to
* sets by subtracting the two values. In particular:
* 0x000xx one character, xx
* 0x0yyxx yy character set starting with xx
* 0x10000 '.' (one or more of anything)
* 0x20000 '!' (zero or more of anything)
* 0x30000 NUL (end of string)
* 0x40000 error in set.
* The pointer to the string is advanced according to needs.
* NOTES:
* 1. the empty set is equivalent to NUL.
* 2. given that a full set has always 0 as the first element,
* we could encode the special cases as 0xffXX where XX
* is 1, 2, 3, 4 as used above.
*/
static int ext_cmp1(const char **p)
{
uint32_t chars[8];
int c, cmin = 0xff, count = 0;
const char *end;
/* load, sign extend and advance pointer until we find
* a valid character.
*/
while ( (c = *(*p)++) && (c == ' ' || c == '-') )
; /* ignore some characters */
/* always return unless we have a set of chars */
switch (c) {
default: /* ordinary character */
return 0x0000 | (c & 0xff);
case 'N': /* 2..9 */
return 0x0700 | '2' ;
case 'X': /* 0..9 */
return 0x0900 | '0';
case 'Z': /* 1..9 */
return 0x0800 | '1';
case '.': /* wildcard */
return 0x10000;
case '!': /* earlymatch */
return 0x20000; /* less specific than NULL */
case '\0': /* empty string */
*p = NULL;
return 0x30000;
case '[': /* pattern */
break;
}
/* locate end of set */
end = strchr(*p, ']');
if (end == NULL) {
ast_log(LOG_WARNING, "Wrong usage of [] in the extension\n");
return 0x40000; /* XXX make this entry go last... */
}
memset(chars, '\0', sizeof(chars)); /* clear all chars in the set */
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for (; *p < end ; (*p)++) {
unsigned char c1, c2; /* first-last char in range */
c1 = (unsigned char)((*p)[0]);
if (*p + 2 < end && (*p)[1] == '-') { /* this is a range */
c2 = (unsigned char)((*p)[2]);
*p += 2; /* skip a total of 3 chars */
} else /* individual character */
c2 = c1;
if (c1 < cmin)
cmin = c1;
for (; c1 <= c2; c1++) {
uint32_t mask = 1 << (c1 % 32);
if ( (chars[ c1 / 32 ] & mask) == 0)
count += 0x100;
chars[ c1 / 32 ] |= mask;
}
}
(*p)++;
return count == 0 ? 0x30000 : (count | cmin);
}
/*!
* \brief the full routine to compare extensions in rules.
*/
static int ext_cmp(const char *a, const char *b)
{
/* make sure non-patterns come first.
* If a is not a pattern, it either comes first or
* we use strcmp to compare the strings.
*/
int ret = 0;
if (a[0] != '_')
return (b[0] == '_') ? -1 : strcmp(a, b);
/* Now we know a is a pattern; if b is not, a comes first */
if (b[0] != '_')
return 1;
#if 0 /* old mode for ext matching */
return strcmp(a, b);
#endif
/* ok we need full pattern sorting routine */
while (!ret && a && b)
ret = ext_cmp1(&a) - ext_cmp1(&b);
if (ret == 0)
return 0;
else
return (ret > 0) ? 1 : -1;
}
/*! \brief copy a string skipping whitespace */
static int ext_strncpy(char *dst, const char *src, int len)
{
int count=0;
while (*src && (count < len - 1)) {
switch(*src) {
case ' ':
/* otherwise exten => [a-b],1,... doesn't work */
/* case '-': */
/* Ignore */
break;
default:
*dst = *src;
dst++;
}
src++;
count++;
}
*dst = '\0';
return count;
}
/*
* Wrapper around _extension_match_core() to do performance measurement
* using the profiling code.
*/
int ast_check_timing(const struct ast_timing *i);
int ast_check_timing(const struct ast_timing *i)
{
/* sorry, but this feature will NOT be available
in the standalone version */
return 0;
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}
#ifdef NOT_ANYMORE
static struct ast_switch *pbx_findswitch(const char *sw)
{
struct ast_switch *asw;
AST_RWLIST_TRAVERSE(&switches, asw, list) {
if (!strcasecmp(asw->name, sw))
break;
}
return asw;
}
#endif
static struct ast_context *ast_walk_contexts(struct ast_context *con);
static struct ast_context *ast_walk_contexts(struct ast_context *con)
{
return con ? con->next : contexts;
}
struct ast_context *localized_walk_contexts(struct ast_context *con);
struct ast_context *localized_walk_contexts(struct ast_context *con)
{
return ast_walk_contexts(con);
}
static struct ast_exten *ast_walk_context_extensions(struct ast_context *con,
struct ast_exten *exten);
static struct ast_exten *ast_walk_context_extensions(struct ast_context *con,
struct ast_exten *exten)
{
if (!exten)
return con ? con->root : NULL;
else
return exten->next;
}
struct ast_exten *localized_walk_context_extensions(struct ast_context *con,
struct ast_exten *exten);
struct ast_exten *localized_walk_context_extensions(struct ast_context *con,
struct ast_exten *exten)
{
return ast_walk_context_extensions(con,exten);
}
static struct ast_exten *ast_walk_extension_priorities(struct ast_exten *exten,
struct ast_exten *priority);
static struct ast_exten *ast_walk_extension_priorities(struct ast_exten *exten,
struct ast_exten *priority)
{
return priority ? priority->peer : exten;
}
struct ast_exten *localized_walk_extension_priorities(struct ast_exten *exten,
struct ast_exten *priority);
struct ast_exten *localized_walk_extension_priorities(struct ast_exten *exten,
struct ast_exten *priority)
{
return ast_walk_extension_priorities(exten, priority);
}
static struct ast_include *ast_walk_context_includes(struct ast_context *con,
struct ast_include *inc);
static struct ast_include *ast_walk_context_includes(struct ast_context *con,
struct ast_include *inc)
{
if (!inc)
return con ? con->includes : NULL;
else
return inc->next;
}
struct ast_include *localized_walk_context_includes(struct ast_context *con,
struct ast_include *inc);
struct ast_include *localized_walk_context_includes(struct ast_context *con,
struct ast_include *inc)
{
return ast_walk_context_includes(con, inc);
}
static struct ast_sw *ast_walk_context_switches(struct ast_context *con,
struct ast_sw *sw);
static struct ast_sw *ast_walk_context_switches(struct ast_context *con,
struct ast_sw *sw)
{
if (!sw)
return con ? AST_LIST_FIRST(&con->alts) : NULL;
else
return AST_LIST_NEXT(sw, list);
}
struct ast_sw *localized_walk_context_switches(struct ast_context *con,
struct ast_sw *sw);
struct ast_sw *localized_walk_context_switches(struct ast_context *con,
struct ast_sw *sw)
{
return ast_walk_context_switches(con, sw);
}
static struct ast_context *ast_context_find(const char *name);
static struct ast_context *ast_context_find(const char *name)
{
struct ast_context *tmp = NULL;
while ( (tmp = ast_walk_contexts(tmp)) ) {
if (!name || !strcasecmp(name, tmp->name))
break;
}
return tmp;
}
/* request and result for pbx_find_extension */
struct pbx_find_info {
#if 0
const char *context;
const char *exten;
int priority;
#endif
char *incstack[AST_PBX_MAX_STACK]; /* filled during the search */
int stacklen; /* modified during the search */
int status; /* set on return */
struct ast_switch *swo; /* set on return */
const char *data; /* set on return */
const char *foundcontext; /* set on return */
};
/*
* Internal function for ast_extension_{match|close}
* return 0 on no-match, 1 on match, 2 on early match.
* mode is as follows:
* E_MATCH success only on exact match
* E_MATCHMORE success only on partial match (i.e. leftover digits in pattern)
* E_CANMATCH either of the above.
*/
static int _extension_match_core(const char *pattern, const char *data, enum ext_match_t mode)
{
mode &= E_MATCH_MASK; /* only consider the relevant bits */
if ( (mode == E_MATCH) && (pattern[0] == '_') && (strcasecmp(pattern,data)==0) ) /* note: if this test is left out, then _x. will not match _x. !!! */
return 1;
if (pattern[0] != '_') { /* not a pattern, try exact or partial match */
int ld = strlen(data), lp = strlen(pattern);
if (lp < ld) /* pattern too short, cannot match */
return 0;
/* depending on the mode, accept full or partial match or both */
if (mode == E_MATCH)
return !strcmp(pattern, data); /* 1 on match, 0 on fail */
if (ld == 0 || !strncasecmp(pattern, data, ld)) /* partial or full match */
return (mode == E_MATCHMORE) ? lp > ld : 1; /* XXX should consider '!' and '/' ? */
else
return 0;
}
pattern++; /* skip leading _ */
/*
* XXX below we stop at '/' which is a separator for the CID info. However we should
* not store '/' in the pattern at all. When we insure it, we can remove the checks.
*/
while (*data && *pattern && *pattern != '/') {
const char *end;
if (*data == '-') { /* skip '-' in data (just a separator) */
data++;
continue;
}
switch (toupper(*pattern)) {
case '[': /* a range */
end = strchr(pattern+1, ']'); /* XXX should deal with escapes ? */
if (end == NULL) {
ast_log(LOG_WARNING, "Wrong usage of [] in the extension\n");
return 0; /* unconditional failure */
}
for (pattern++; pattern != end; pattern++) {
if (pattern+2 < end && pattern[1] == '-') { /* this is a range */
if (*data >= pattern[0] && *data <= pattern[2])
break; /* match found */
else {
pattern += 2; /* skip a total of 3 chars */
continue;
}
} else if (*data == pattern[0])
break; /* match found */
}
if (pattern == end)
return 0;
pattern = end; /* skip and continue */
break;
case 'N':
if (*data < '2' || *data > '9')
return 0;
break;
case 'X':
if (*data < '0' || *data > '9')
return 0;
break;
case 'Z':
if (*data < '1' || *data > '9')
return 0;
break;
case '.': /* Must match, even with more digits */
return 1;
case '!': /* Early match */
return 2;
case ' ':
case '-': /* Ignore these in patterns */
data--; /* compensate the final data++ */
break;
default:
if (*data != *pattern)
return 0;
}
data++;
pattern++;
}
if (*data) /* data longer than pattern, no match */
return 0;
/*
* match so far, but ran off the end of the data.
* Depending on what is next, determine match or not.
*/
if (*pattern == '\0' || *pattern == '/') /* exact match */
return (mode == E_MATCHMORE) ? 0 : 1; /* this is a failure for E_MATCHMORE */
else if (*pattern == '!') /* early match */
return 2;
else /* partial match */
return (mode == E_MATCH) ? 0 : 1; /* this is a failure for E_MATCH */
}
static int extension_match_core(const char *pattern, const char *data, enum ext_match_t mode)
{
int i;
i = _extension_match_core(pattern, data, mode);
return i;
}
static int ast_extension_match(const char *pattern, const char *data);
static int ast_extension_match(const char *pattern, const char *data)
{
return extension_match_core(pattern, data, E_MATCH);
}
static int matchcid(const char *cidpattern, const char *callerid)
{
/* If the Caller*ID pattern is empty, then we're matching NO Caller*ID, so
failing to get a number should count as a match, otherwise not */
if (ast_strlen_zero(callerid))
return ast_strlen_zero(cidpattern) ? 1 : 0;
return ast_extension_match(cidpattern, callerid);
}
static inline int include_valid(struct ast_include *i)
{
if (!i->hastime)
return 1;
return ast_check_timing(&(i->timing));
}
static struct ast_exten *pbx_find_extension(struct ast_channel *chan,
struct ast_context *bypass,
struct pbx_find_info *q,
const char *context,
const char *exten,
int priority,
const char *label,
const char *callerid,
enum ext_match_t action);
static struct ast_exten *pbx_find_extension(struct ast_channel *chan,
struct ast_context *bypass,
struct pbx_find_info *q,
const char *context,
const char *exten,
int priority,
const char *label,
const char *callerid,
enum ext_match_t action)
{
int x;
struct ast_context *tmp;
struct ast_exten *e, *eroot;
struct ast_include *i;
/* Initialize status if appropriate */
if (q->stacklen == 0) {
q->status = STATUS_NO_CONTEXT;
q->swo = NULL;
q->data = NULL;
q->foundcontext = NULL;
} else if (q->stacklen >= AST_PBX_MAX_STACK) {
ast_log(LOG_WARNING, "Maximum PBX stack exceeded\n");
return NULL;
}
/* Check first to see if we've already been checked */
for (x = 0; x < q->stacklen; x++) {
if (!strcasecmp(q->incstack[x], context))
return NULL;
}
if (bypass) /* bypass means we only look there */
tmp = bypass;
else { /* look in contexts */
tmp = NULL;
while ((tmp = ast_walk_contexts(tmp)) ) {
if (!strcmp(tmp->name, context))
break;
}
if (!tmp)
return NULL;
}
if (q->status < STATUS_NO_EXTENSION)
q->status = STATUS_NO_EXTENSION;
/* scan the list trying to match extension and CID */
eroot = NULL;
while ( (eroot = ast_walk_context_extensions(tmp, eroot)) ) {
int match = extension_match_core(eroot->exten, exten, action);
/* 0 on fail, 1 on match, 2 on earlymatch */
if (!match || (eroot->matchcid && !matchcid(eroot->cidmatch, callerid)))
continue; /* keep trying */
if (match == 2 && action == E_MATCHMORE) {
/* We match an extension ending in '!'.
* The decision in this case is final and is NULL (no match).
*/
return NULL;
}
/* found entry, now look for the right priority */
if (q->status < STATUS_NO_PRIORITY)
q->status = STATUS_NO_PRIORITY;
e = NULL;
while ( (e = ast_walk_extension_priorities(eroot, e)) ) {
/* Match label or priority */
if (action == E_FINDLABEL) {
if (q->status < STATUS_NO_LABEL)
q->status = STATUS_NO_LABEL;
if (label && e->label && !strcmp(label, e->label))
break; /* found it */
} else if (e->priority == priority) {
break; /* found it */
} /* else keep searching */
}
if (e) { /* found a valid match */
q->status = STATUS_SUCCESS;
q->foundcontext = context;
return e;
}
}
#ifdef NOT_RIGHT_NOW
/* Check alternative switches??? */
AST_LIST_TRAVERSE(&tmp->alts, sw, list) {
struct ast_switch *asw = pbx_findswitch(sw->name);
ast_switch_f *aswf = NULL;
char *datap;
if (!asw) {
ast_log(LOG_WARNING, "No such switch '%s'\n", sw->name);
continue;
}
/* No need to Substitute variables now; we shouldn't be here if there's any */
/* equivalent of extension_match_core() at the switch level */
if (action == E_CANMATCH)
aswf = asw->canmatch;
else if (action == E_MATCHMORE)
aswf = asw->matchmore;
else /* action == E_MATCH */
aswf = asw->exists;
datap = sw->eval ? sw->tmpdata : sw->data;
res = !aswf ? 0 : aswf(chan, context, exten, priority, callerid, datap);
if (res) { /* Got a match */
q->swo = asw;
q->data = datap;
q->foundcontext = context;
/* XXX keep status = STATUS_NO_CONTEXT ? */
return NULL;
}
}
#endif
q->incstack[q->stacklen++] = tmp->name; /* Setup the stack */
/* Now try any includes we have in this context */
for (i = tmp->includes; i; i = i->next) {
if (include_valid(i)) {
if ((e = pbx_find_extension(NULL, bypass, q, i->rname, exten, priority, label, callerid, action)))
return e;
if (q->swo)
return NULL;
}
}
return NULL;
}
struct ast_exten *localized_find_extension(struct ast_context *bypass,
struct pbx_find_info *q,
const char *context,
const char *exten,
int priority,
const char *label,
const char *callerid,
enum ext_match_t action);
struct ast_exten *localized_find_extension(struct ast_context *bypass,
struct pbx_find_info *q,
const char *context,
const char *exten,
int priority,
const char *label,
const char *callerid,
enum ext_match_t action)