Added support for ReadProcessMemory through the server.
diff --git a/server/process.c b/server/process.c
index f5ce220..65500ba 100644
--- a/server/process.c
+++ b/server/process.c
@@ -5,11 +5,13 @@
*/
#include <assert.h>
+#include <errno.h>
#include <limits.h>
#include <signal.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
+#include <sys/ptrace.h>
#include <sys/time.h>
#include <unistd.h>
@@ -314,6 +316,38 @@
}
}
+/* read data from a process memory space */
+/* len is the total size (in ints), max is the size we can actually store in the input buffer */
+/* we read the total size in all cases to check for permissions */
+static void read_process_memory( struct process *process, const int *addr, int len,
+ int max, int *dest )
+{
+ struct thread *thread = process->thread_list;
+ int pid = thread->unix_pid;
+
+ suspend_thread( thread, 0 );
+ if (thread->attached)
+ {
+ while (len-- > 0)
+ {
+ int data = ptrace( PT_READ_D, pid, addr );
+ if ((data == -1) && errno)
+ {
+ file_set_error();
+ break;
+ }
+ if (max)
+ {
+ *dest++ = data;
+ max--;
+ }
+ addr++;
+ }
+ }
+ else set_error( ERROR_ACCESS_DENIED );
+ resume_thread( thread );
+}
+
/* take a snapshot of currently running processes */
struct process_snapshot *process_snap( int *count )
{
@@ -440,3 +474,16 @@
release_object( process );
}
}
+
+/* read data from a process address space */
+DECL_HANDLER(read_process_memory)
+{
+ struct process *process;
+
+ if ((process = get_process_from_handle( req->handle, PROCESS_VM_READ )))
+ {
+ read_process_memory( process, req->addr, req->len,
+ get_req_size( req->data, sizeof(int) ), req->data );
+ release_object( process );
+ }
+}
