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Handle group memberships better with masquerade (bug #3067)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4633 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2005-01-02 02:07:24 +00:00
parent 1e127d75d2
commit 1ea2b79b37
1 changed files with 33 additions and 12 deletions
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45
channel.c
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@@ -39,6 +39,7 @@
#include <asterisk/causes.h>
#include <asterisk/utils.h>
#include <asterisk/lock.h>
#include <asterisk/app.h>
#ifdef ZAPTEL_OPTIMIZATIONS
#include <sys/ioctl.h>
#ifdef __linux__
@@ -2242,12 +2243,42 @@ void ast_change_name(struct ast_channel *chan, char *newname)
manager_event(EVENT_FLAG_CALL, "Rename", "Oldname: %s\r\nNewname: %s\r\nUniqueid: %s\r\n", tmp, chan->name, chan->uniqueid);
}
/* Clone channel variables from 'clone' channel into 'original' channel
All variables except those related to app_groupcount are cloned
Variables are actually _removed_ from 'clone' channel, presumably
because it will subsequently be destroyed.
Assumes locks will be in place on both channels when called.
*/
static void clone_variables(struct ast_channel *original, struct ast_channel *clone)
{
struct ast_var_t *varptr;
/* we need to remove all app_groupcount related variables from the original
channel before merging in the clone's variables; any groups assigned to the
original channel should be released, only those assigned to the clone
should remain
*/
AST_LIST_TRAVERSE_SAFE_BEGIN(&original->varshead, varptr, entries) {
if (!strncmp(ast_var_name(varptr), GROUP_CATEGORY_PREFIX, strlen(GROUP_CATEGORY_PREFIX))) {
AST_LIST_REMOVE(&original->varshead, varptr, entries);
ast_var_delete(varptr);
}
}
AST_LIST_TRAVERSE_SAFE_END;
/* Append variables from clone channel into original channel */
/* XXX Is this always correct? We have to in order to keep MACROS working XXX */
AST_LIST_INSERT_TAIL(&original->varshead, AST_LIST_FIRST(&clone->varshead), entries);
}
/* Assumes channel will be locked when called */
int ast_do_masquerade(struct ast_channel *original)
{
int x,i;
int res=0;
int origstate;
struct ast_var_t *varptr;
struct ast_frame *cur, *prev;
struct ast_channel_pvt *p;
struct ast_callerid tmpcid;
@@ -2364,17 +2395,7 @@ int ast_do_masquerade(struct ast_channel *original)
for (x=0;x<AST_MAX_FDS;x++) {
original->fds[x] = clone->fds[x];
}
/* Append variables from clone channel into original channel */
/* XXX Is this always correct? We have to in order to keep MACROS working XXX */
varptr = original->varshead.first;
if (varptr) {
while(varptr->entries.next) {
varptr = varptr->entries.next;
}
varptr->entries.next = clone->varshead.first;
} else {
original->varshead.first = clone->varshead.first;
}
clone_variables(original, clone);
clone->varshead.first = NULL;
/* Presense of ADSI capable CPE follows clone */
original->adsicpe = clone->adsicpe;