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Add "Loopback" switch

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4070 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.2-netsec
Mark Spencer 21 years ago
parent 4959fb958c
commit 82cbf28993
11 changed files with 68 additions and 38 deletions
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2
Makefile
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@ -162,9 +162,11 @@ CFLAGS+=$(shell if [ -f /usr/local/include/zaptel.h ]; then echo "-DZAPTEL_OPTIM
LIBEDIT=editline/libedit.a
ASTERISKVERSION=$(shell if [ -f .version ]; then cat .version; else if [ -d CVS ]; then if [ -f CVS/Tag ] ; then echo "CVS-`sed 's/^T//g' CVS/Tag`-`date +"%D-%T"`"; else echo "CVS-HEAD-`date +"%D-%T"`"; fi; fi; fi)
ASTERISKVERSIONNUM=$(shell if [ -d CVS ]; then echo 999999 ; else if [ -f .version ] ; then awk -F. '{printf "%02d%02d%02d", $$1, $$2, $$3}' .version ; else echo 000000 ; fi ; fi)
HTTPDIR=$(shell if [ -d /var/www ]; then echo "/var/www"; else echo "/home/httpd"; fi)
RPMVERSION=$(shell if [ -f .version ]; then sed 's/[-\/:]/_/g' .version; else echo "unknown" ; fi)
CFLAGS+=-DASTERISK_VERSION=\"$(ASTERISKVERSION)\"
CFLAGS+=-DASTERISK_VERSION_NUM=\"$(ASTERISKVERSIONNUM)\"
CFLAGS+=-DINSTALL_PREFIX=\"$(INSTALL_PREFIX)\"
CFLAGS+=-DASTETCDIR=\"$(ASTETCDIR)\"
CFLAGS+=-DASTLIBDIR=\"$(ASTLIBDIR)\"

2
channel.c
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@ -340,8 +340,6 @@ struct ast_channel *ast_channel_alloc(int needqueue)
headp=&tmp->varshead;
ast_mutex_init(&tmp->lock);
AST_LIST_HEAD_INIT(headp);
tmp->vars=ast_var_assign("tempvar","tempval");
AST_LIST_INSERT_HEAD(headp,tmp->vars,entries);
strncpy(tmp->context, "default", sizeof(tmp->context)-1);
strncpy(tmp->language, defaultlanguage, sizeof(tmp->language)-1);
strncpy(tmp->exten, "s", sizeof(tmp->exten)-1);

2
chanvars.c
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@ -17,7 +17,7 @@
#include <asterisk/chanvars.h>
#include <asterisk/logger.h>
struct ast_var_t *ast_var_assign(char *name, char *value)
struct ast_var_t *ast_var_assign(const char *name, const char *value)
{
int i;
struct ast_var_t *var;

7
configs/extensions.conf.sample
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@ -247,6 +247,13 @@ include => iaxprovider
; Asterisk PBX
;
; switch => IAX2/user:password@bigserver/local
;
; An "lswitch" is like a switch but is literal, in that
; variable substitution is not performed at load time
; but is passed to the switch directly (presumably to
; be substituted in the switch routine itself)
;
; lswitch => Loopback/12${EXTEN}@othercontext
[macro-stdexten];
;

1
include/asterisk/channel.h
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@ -228,7 +228,6 @@ struct ast_channel {
int hangupcause;
/* A linked list for variables */
struct ast_var_t *vars;
AST_LIST_HEAD(varshead,ast_var_t) varshead;
unsigned int callgroup;

2
include/asterisk/chanvars.h
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@ -22,7 +22,7 @@ struct ast_var_t {
AST_LIST_ENTRY(ast_var_t) entries;
};
struct ast_var_t *ast_var_assign(char *name,char *value);
struct ast_var_t *ast_var_assign(const char *name, const char *value);
void ast_var_delete(struct ast_var_t *var);
char *ast_var_name(struct ast_var_t *var);
char *ast_var_value(struct ast_var_t *var);

1
include/asterisk/pbx.h
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@ -548,6 +548,7 @@ extern void pbx_builtin_setvar_helper(struct ast_channel *chan, char *name, char
extern void pbx_builtin_clear_globals(void);
extern int pbx_builtin_setvar(struct ast_channel *chan, void *data);
extern void pbx_substitute_variables_helper(struct ast_channel *c,const char *cp1,char *cp2,int count);
extern void pbx_substitute_variables_varshead(struct varshead *headp, const char *cp1, char *cp2, int count);
int ast_extension_patmatch(const char *pattern, const char *data);

27
pbx.c
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@ -828,7 +828,7 @@ static struct ast_exten *pbx_find_extension(struct ast_channel *chan, struct ast
return NULL;
}
static void pbx_substitute_variables_temp(struct ast_channel *c, const char *var, char **ret, char *workspace, int workspacelen)
static void pbx_substitute_variables_temp(struct ast_channel *c, const char *var, char **ret, char *workspace, int workspacelen, struct varshead *headp)
{
char *first,*second;
char tmpvar[80] = "";
@ -836,7 +836,6 @@ static void pbx_substitute_variables_temp(struct ast_channel *c, const char *var
struct tm brokentime;
int offset,offset2;
struct ast_var_t *variables;
struct varshead *headp=NULL;
if (c)
headp=&c->varshead;
@ -861,7 +860,7 @@ static void pbx_substitute_variables_temp(struct ast_channel *c, const char *var
if (!first)
first = tmpvar + strlen(tmpvar);
*first='\0';
pbx_substitute_variables_temp(c,tmpvar,ret,workspace,workspacelen - 1);
pbx_substitute_variables_temp(c,tmpvar,ret,workspace,workspacelen - 1, headp);
if (!(*ret)) return;
offset=atoi(first+1);
if ((second=strchr(first+1,':'))) {
@ -1009,7 +1008,7 @@ static void pbx_substitute_variables_temp(struct ast_channel *c, const char *var
strncpy(workspace, c->language, workspacelen - 1);
*ret = workspace;
} else {
if (c) {
if (headp) {
AST_LIST_TRAVERSE(headp,variables,entries) {
#if 0
ast_log(LOG_WARNING,"Comparing variable '%s' with '%s'\n",var,ast_var_name(variables));
@ -1056,7 +1055,7 @@ static void pbx_substitute_variables_temp(struct ast_channel *c, const char *var
}
}
void pbx_substitute_variables_helper(struct ast_channel *c, const char *cp1, char *cp2, int count)
static void pbx_substitute_variables_helper_full(struct ast_channel *c, const char *cp1, char *cp2, int count, struct varshead *headp)
{
char *cp4;
const char *tmp, *whereweare;
@ -1147,7 +1146,7 @@ void pbx_substitute_variables_helper(struct ast_channel *c, const char *cp1, cha
/* Retrieve variable value */
workspace[0] = '\0';
pbx_substitute_variables_temp(c,vars,&cp4, workspace, sizeof(workspace));
pbx_substitute_variables_temp(c,vars,&cp4, workspace, sizeof(workspace), headp);
if (cp4) {
length = strlen(cp4);
if (length > count)
@ -1222,6 +1221,16 @@ void pbx_substitute_variables_helper(struct ast_channel *c, const char *cp1, cha
}
}
void pbx_substitute_variables_helper(struct ast_channel *c, const char *cp1, char *cp2, int count)
{
pbx_substitute_variables_helper_full(c, cp1, cp2, count, NULL);
}
void pbx_substitute_variables_varshead(struct varshead *headp, const char *cp1, char *cp2, int count)
{
pbx_substitute_variables_helper_full(NULL, cp1, cp2, count, headp);
}
static void pbx_substitute_variables(char *passdata, int datalen, struct ast_channel *c, struct ast_exten *e) {
memset(passdata, 0, datalen);
@ -1806,6 +1815,11 @@ int ast_spawn_extension(struct ast_channel *c, const char *context, const char *
return pbx_extension_helper(c, NULL, context, exten, priority, NULL, callerid, HELPER_SPAWN);
}
int ast_exec_extension(struct ast_channel *c, const char *context, const char *exten, int priority, const char *callerid)
{
return pbx_extension_helper(c, NULL, context, exten, priority, NULL, callerid, HELPER_EXEC);
}
int ast_pbx_run(struct ast_channel *c)
{
int firstpass = 1;
@ -5335,3 +5349,4 @@ int ast_context_verify_includes(struct ast_context *con)
}
return res;
}

2
pbx/Makefile
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@ -13,7 +13,7 @@
PBX_LIBS=pbx_config.so pbx_spool.so pbx_dundi.so
PBX_LIBS=pbx_config.so pbx_spool.so pbx_dundi.so pbx_loopback.so
# Add GTK console if appropriate
#PBX_LIBS+=$(shell gtk-config --cflags >/dev/null 2>/dev/null && echo "pbx_gtkconsole.so")

7
pbx/pbx_config.c
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@ -1754,10 +1754,13 @@ static int pbx_load_module(void)
pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
if (ast_context_add_ignorepat2(con, realvalue, registrar))
ast_log(LOG_WARNING, "Unable to include ignorepat '%s' in context '%s'\n", v->value, cxt);
} else if (!strcasecmp(v->name, "switch")) {
} else if (!strcasecmp(v->name, "switch") || !strcasecmp(v->name, "lswitch")) {
char *stringp=NULL;
memset(realvalue, 0, sizeof(realvalue));
pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
if (!strcasecmp(v->name, "switch"))
pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
else
strncpy(realvalue, v->value, sizeof(realvalue) - 1);
tc = realvalue;
stringp=tc;
appl = strsep(&stringp, "/");

53
pbx/pbx_dundi.c
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@ -480,7 +480,6 @@ static int dundi_lookup_local(struct dundi_result *dr, struct dundi_mapping *map
{
int flags;
int x;
struct ast_channel *chan=NULL;
if (!ast_strlen_zero(map->lcontext)) {
flags = 0;
if (ast_exists_extension(NULL, map->lcontext, called_number, 1, NULL))
@ -501,27 +500,35 @@ static int dundi_lookup_local(struct dundi_result *dr, struct dundi_mapping *map
flags &= ~(DUNDI_FLAG_MATCHMORE|DUNDI_FLAG_CANMATCH);
}
if (flags) {
/* Clearly we can't say 'don't ask' anymore... */
chan = ast_channel_alloc(0);
if (chan) {
flags |= map->options & 0xffff;
dr[anscnt].flags = flags;
dr[anscnt].techint = map->tech;
dr[anscnt].weight = map->weight;
dr[anscnt].expiration = DUNDI_DEFAULT_CACHE_TIME;
strncpy(dr[anscnt].tech, tech2str(map->tech), sizeof(dr[anscnt].tech));
dr[anscnt].eid = *us_eid;
dundi_eid_to_str(dr[anscnt].eid_str, sizeof(dr[anscnt].eid_str), &dr[anscnt].eid);
if (flags & DUNDI_FLAG_EXISTS) {
pbx_builtin_setvar_helper(chan, "NUMBER", called_number);
pbx_builtin_setvar_helper(chan, "EID", dr[anscnt].eid_str);
pbx_builtin_setvar_helper(chan, "SECRET", cursecret);
pbx_builtin_setvar_helper(chan, "IPADDR", ipaddr);
pbx_substitute_variables_helper(chan, map->dest, dr[anscnt].dest, sizeof(dr[anscnt].dest));
} else
dr[anscnt].dest[0] = '\0';
anscnt++;
}
struct varshead headp;
struct ast_var_t *newvariable;
flags |= map->options & 0xffff;
dr[anscnt].flags = flags;
dr[anscnt].techint = map->tech;
dr[anscnt].weight = map->weight;
dr[anscnt].expiration = DUNDI_DEFAULT_CACHE_TIME;
strncpy(dr[anscnt].tech, tech2str(map->tech), sizeof(dr[anscnt].tech));
dr[anscnt].eid = *us_eid;
dundi_eid_to_str(dr[anscnt].eid_str, sizeof(dr[anscnt].eid_str), &dr[anscnt].eid);
if (flags & DUNDI_FLAG_EXISTS) {
AST_LIST_HEAD_INIT(&headp);
newvariable = ast_var_assign("NUMBER", called_number);
AST_LIST_INSERT_HEAD(&headp, newvariable, entries);
newvariable = ast_var_assign("EID", dr[anscnt].eid_str);
AST_LIST_INSERT_HEAD(&headp, newvariable, entries);
newvariable = ast_var_assign("SECRET", cursecret);
AST_LIST_INSERT_HEAD(&headp, newvariable, entries);
newvariable = ast_var_assign("IPADDR", ipaddr);
AST_LIST_INSERT_HEAD(&headp, newvariable, entries);
pbx_substitute_variables_varshead(&headp, map->dest, dr[anscnt].dest, sizeof(dr[anscnt].dest));
while (!AST_LIST_EMPTY(&headp)) { /* List Deletion. */
newvariable = AST_LIST_FIRST(&headp);
AST_LIST_REMOVE_HEAD(&headp, entries);
ast_var_delete(newvariable);
}
} else
dr[anscnt].dest[0] = '\0';
anscnt++;
} else {
/* No answers... Find the fewest number of digits from the
number for which we have no answer. */
@ -541,8 +548,6 @@ static int dundi_lookup_local(struct dundi_result *dr, struct dundi_mapping *map
}
}
}
if (chan)
ast_hangup(chan);
return anscnt;
}

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