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Adding port_inspector.c

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Karmaz95
2024-12-16 16:11:02 +01:00
parent 3f3d5355b3
commit 975b88ffcc
1 changed files with 107 additions and 0 deletions
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107
X. NU/custom/mach_ipc/port_inspector.c Normal file
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// gcc -o port_inspector port_inspector.c
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <mach/mach.h>
#include <mach/mach_error.h>
void print_port_info(task_t task, mach_port_name_t port_name) {
mach_port_status_t status;
mach_msg_type_number_t status_count = MACH_PORT_RECEIVE_STATUS_COUNT;
kern_return_t kr;
kr = mach_port_get_attributes(task,
port_name,
MACH_PORT_RECEIVE_STATUS,
(mach_port_info_t)&status,
&status_count);
if (kr == KERN_SUCCESS) {
printf(" Queue size: %d\n", status.mps_msgcount);
printf(" Max queue size: %d\n", status.mps_qlimit);
}
}
int main(int argc, char *argv[]) {
if (argc != 2) {
printf("Usage: %s <pid>\n", argv[0]);
return 1;
}
task_t target_task;
pid_t pid = atoi(argv[1]);
kern_return_t kr = task_for_pid(mach_task_self(), pid, &target_task);
if (kr != KERN_SUCCESS) {
printf("Failed to get task for pid %d: %s\n", pid, mach_error_string(kr));
return 1;
}
// Get task basic info
task_basic_info_data_t basic_info;
mach_msg_type_number_t count = TASK_BASIC_INFO_COUNT;
kr = task_info(target_task, TASK_BASIC_INFO, (task_info_t)&basic_info, &count);
if (kr != KERN_SUCCESS) {
printf("Failed to get task info: %s\n", mach_error_string(kr));
mach_port_deallocate(mach_task_self(), target_task);
return 1;
}
// Get port info
ipc_info_space_t space_info;
ipc_info_name_array_t table;
mach_msg_type_number_t table_count;
ipc_info_tree_name_array_t tree;
mach_msg_type_number_t tree_count;
kr = mach_port_space_info(target_task, &space_info, &table, &table_count, &tree, &tree_count);
if (kr != KERN_SUCCESS) {
printf("Failed to get port space info: %s\n", mach_error_string(kr));
mach_port_deallocate(mach_task_self(), target_task);
return 1;
}
printf("\nProcess %d Port Space Information:\n", pid);
printf("Total ports: %d\n", table_count);
printf("Space generation number mask: 0x%x\n\n", space_info.iis_genno_mask);
// Print information about each port
for (mach_msg_type_number_t i = 0; i < table_count; i++) {
if (table[i].iin_type != MACH_PORT_TYPE_NONE) {
printf("Port %d:\n", i);
printf(" Name: 0x%x\n", table[i].iin_name);
printf(" Type: 0x%x (", table[i].iin_type);
// Decode port type
if (table[i].iin_type & MACH_PORT_TYPE_SEND)
printf("SEND ");
if (table[i].iin_type & MACH_PORT_TYPE_RECEIVE)
printf("RECEIVE ");
if (table[i].iin_type & MACH_PORT_TYPE_SEND_ONCE)
printf("SEND_ONCE ");
if (table[i].iin_type & MACH_PORT_TYPE_PORT_SET)
printf("PORT_SET ");
if (table[i].iin_type & MACH_PORT_TYPE_DEAD_NAME)
printf("DEAD_NAME ");
printf(")\n");
printf(" User References: %d\n", table[i].iin_urefs);
// Get additional port info for RECEIVE rights
if (table[i].iin_type & MACH_PORT_TYPE_RECEIVE) {
print_port_info(target_task, table[i].iin_name);
}
printf("\n");
}
}
// Cleanup
vm_deallocate(mach_task_self(), (vm_address_t)table,
table_count * sizeof(ipc_info_name_t));
vm_deallocate(mach_task_self(), (vm_address_t)tree,
tree_count * sizeof(ipc_info_tree_name_t));
mach_port_deallocate(mach_task_self(), target_task);
return 0;
}