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The fix for the AEL <<security hole>> (bug 9316) is here...

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@59069 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Steve Murphy
2007-03-20 17:43:02 +00:00
parent 30165b1bf2
commit 6e869d135c
3 changed files with 217 additions and 44 deletions
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27
pbx/pbx_ael.c
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@@ -3055,7 +3055,7 @@ static void gen_prios(struct ael_extension *exten, char *label, pval *statement,
switch_end = new_prio();
switch_test->type = AEL_APPCALL;
switch_end->type = AEL_APPCALL;
snprintf(buf1,sizeof(buf1),"sw-%d-%s|1",control_statement_count, p->u1.str);
snprintf(buf1,sizeof(buf1),"sw-%d-%s|10",control_statement_count, p->u1.str);
switch_test->app = strdup("Goto");
switch_test->appargs = strdup(buf1);
snprintf(buf1,sizeof(buf1),"Finish switch-%s-%d", label, control_statement_count);
@@ -3077,6 +3077,7 @@ static void gen_prios(struct ael_extension *exten, char *label, pval *statement,
/* ok, generate a extension and link it in */
switch_case = new_exten();
switch_case->context = this_context;
switch_case->is_switch = 1;
/* the break/continue locations are inherited from parent */
switch_case->loop_break = exten->loop_break;
switch_case->loop_continue = exten->loop_continue;
@@ -3100,7 +3101,7 @@ static void gen_prios(struct ael_extension *exten, char *label, pval *statement,
fall_thru = new_prio();
fall_thru->type = AEL_APPCALL;
fall_thru->app = strdup("Goto");
snprintf(buf1,sizeof(buf1),"sw-%d-%s|1",local_control_statement_count, p2->next->u1.str);
snprintf(buf1,sizeof(buf1),"sw-%d-%s|10",local_control_statement_count, p2->next->u1.str);
fall_thru->appargs = strdup(buf1);
linkprio(switch_case, fall_thru);
} else if (p2->next && p2->next->type == PV_PATTERN) {
@@ -3108,14 +3109,14 @@ static void gen_prios(struct ael_extension *exten, char *label, pval *statement,
fall_thru->type = AEL_APPCALL;
fall_thru->app = strdup("Goto");
gen_match_to_pattern(p2->next->u1.str, buf2);
snprintf(buf1,sizeof(buf1),"sw-%d-%s|1", local_control_statement_count, buf2);
snprintf(buf1,sizeof(buf1),"sw-%d-%s|10", local_control_statement_count, buf2);
fall_thru->appargs = strdup(buf1);
linkprio(switch_case, fall_thru);
} else if (p2->next && p2->next->type == PV_DEFAULT) {
fall_thru = new_prio();
fall_thru->type = AEL_APPCALL;
fall_thru->app = strdup("Goto");
snprintf(buf1,sizeof(buf1),"sw-%d-.|1",local_control_statement_count);
snprintf(buf1,sizeof(buf1),"sw-%d-.|10",local_control_statement_count);
fall_thru->appargs = strdup(buf1);
linkprio(switch_case, fall_thru);
} else if (!p2->next) {
@@ -3140,6 +3141,7 @@ static void gen_prios(struct ael_extension *exten, char *label, pval *statement,
/* ok, generate a extension and link it in */
switch_case = new_exten();
switch_case->context = this_context;
switch_case->is_switch = 1;
/* the break/continue locations are inherited from parent */
switch_case->loop_break = exten->loop_break;
switch_case->loop_continue = exten->loop_continue;
@@ -3162,7 +3164,7 @@ static void gen_prios(struct ael_extension *exten, char *label, pval *statement,
fall_thru = new_prio();
fall_thru->type = AEL_APPCALL;
fall_thru->app = strdup("Goto");
snprintf(buf1,sizeof(buf1),"sw-%d-%s|1",local_control_statement_count, p2->next->u1.str);
snprintf(buf1,sizeof(buf1),"sw-%d-%s|10",local_control_statement_count, p2->next->u1.str);
fall_thru->appargs = strdup(buf1);
linkprio(switch_case, fall_thru);
} else if (p2->next && p2->next->type == PV_PATTERN) {
@@ -3170,14 +3172,14 @@ static void gen_prios(struct ael_extension *exten, char *label, pval *statement,
fall_thru->type = AEL_APPCALL;
fall_thru->app = strdup("Goto");
gen_match_to_pattern(p2->next->u1.str, buf2);
snprintf(buf1,sizeof(buf1),"sw-%d-%s|1",local_control_statement_count, buf2);
snprintf(buf1,sizeof(buf1),"sw-%d-%s|10",local_control_statement_count, buf2);
fall_thru->appargs = strdup(buf1);
linkprio(switch_case, fall_thru);
} else if (p2->next && p2->next->type == PV_DEFAULT) {
fall_thru = new_prio();
fall_thru->type = AEL_APPCALL;
fall_thru->app = strdup("Goto");
snprintf(buf1,sizeof(buf1),"sw-%d-.|1",local_control_statement_count);
snprintf(buf1,sizeof(buf1),"sw-%d-.|10",local_control_statement_count);
fall_thru->appargs = strdup(buf1);
linkprio(switch_case, fall_thru);
} else if (!p2->next) {
@@ -3203,6 +3205,7 @@ static void gen_prios(struct ael_extension *exten, char *label, pval *statement,
/* ok, generate a extension and link it in */
switch_case = new_exten();
switch_case->context = this_context;
switch_case->is_switch = 1;
/* the break/continue locations are inherited from parent */
switch_case->loop_break = exten->loop_break;
switch_case->loop_continue = exten->loop_continue;
@@ -3226,7 +3229,7 @@ static void gen_prios(struct ael_extension *exten, char *label, pval *statement,
fall_thru = new_prio();
fall_thru->type = AEL_APPCALL;
fall_thru->app = strdup("Goto");
snprintf(buf1,sizeof(buf1),"sw-%d-%s|1",local_control_statement_count, p2->next->u1.str);
snprintf(buf1,sizeof(buf1),"sw-%d-%s|10",local_control_statement_count, p2->next->u1.str);
fall_thru->appargs = strdup(buf1);
linkprio(switch_case, fall_thru);
} else if (p2->next && p2->next->type == PV_PATTERN) {
@@ -3234,14 +3237,14 @@ static void gen_prios(struct ael_extension *exten, char *label, pval *statement,
fall_thru->type = AEL_APPCALL;
fall_thru->app = strdup("Goto");
gen_match_to_pattern(p2->next->u1.str, buf2);
snprintf(buf1,sizeof(buf1),"sw-%d-%s|1",local_control_statement_count, buf2);
snprintf(buf1,sizeof(buf1),"sw-%d-%s|10",local_control_statement_count, buf2);
fall_thru->appargs = strdup(buf1);
linkprio(switch_case, fall_thru);
} else if (p2->next && p2->next->type == PV_DEFAULT) {
fall_thru = new_prio();
fall_thru->type = AEL_APPCALL;
fall_thru->app = strdup("Goto");
snprintf(buf1,sizeof(buf1),"sw-%d-.|1",local_control_statement_count);
snprintf(buf1,sizeof(buf1),"sw-%d-.|10",local_control_statement_count);
fall_thru->appargs = strdup(buf1);
linkprio(switch_case, fall_thru);
} else if (!p2->next) {
@@ -3513,7 +3516,9 @@ void set_priorities(struct ael_extension *exten)
int i;
struct ael_priority *pr;
do {
if (exten->regexten)
if (exten->is_switch)
i = 10;
else if (exten->regexten)
i=2;
else
i=1;