QubesOS/qubes-linux-utils
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qrexec-lib: use registered callbacks

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...instead of exported symbols of certain name. This is first step to
use change it to shared libraries.
This commit is contained in:
Marek Marczykowski-Górecki 2014-02-07 05:27:29 +01:00
parent 1c6f44d7fa
commit 113826aa1a
4 changed files with 19 additions and 4 deletions
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9
qrexec-lib/copy-file.c
View File

@ -3,7 +3,11 @@
#include "libqubes-rpc-filecopy.h"
#include "crc32.h"
extern void notify_progress(int, int);
notify_progress_t *notify_progress_func = NULL;
void register_notify_progress(notify_progress_t *func)
{
notify_progress_func = func;
}
int copy_file(int outfd, int infd, long long size, unsigned long *crc32)
{
@ -26,7 +30,8 @@ int copy_file(int outfd, int infd, long long size, unsigned long *crc32)
*crc32 = Crc32_ComputeBuf(*crc32, buf, ret);
if (!write_all(outfd, buf, ret))
return COPY_FILE_WRITE_ERROR;
notify_progress(ret, 0);
if (notify_progress_func != NULL)
notify_progress_func(ret, 0);
written += ret;
}
return COPY_FILE_OK;

9
qrexec-lib/exec.c
View File

@ -22,8 +22,12 @@
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include "libqrexec-utils.h"
extern void do_exec(const char *);
static do_exec_t *exec_func = NULL;
void register_exec_func(do_exec_t *func) {
exec_func = func;
}
void fix_fds(int fdin, int fdout, int fderr)
{
@ -59,7 +63,8 @@ void do_fork_exec(const char *cmdline, int *pid, int *stdin_fd, int *stdout_fd,
} else
fix_fds(inpipe[0], outpipe[1], 2);
do_exec(cmdline);
if (exec_func != NULL)
exec_func(cmdline);
exit(-1);
default:;
}

3
qrexec-lib/libqrexec-utils.h
View File

@ -27,6 +27,9 @@ struct buffer {
int buflen;
};
typedef void (do_exec_t)(const char *);
void register_exec_func(do_exec_t *func);
void buffer_init(struct buffer *b);
void buffer_free(struct buffer *b);
void buffer_append(struct buffer *b, const char *data, int len);

2
qrexec-lib/libqubes-rpc-filecopy.h
View File

@ -60,6 +60,8 @@ enum {
COPY_FILE_WRITE_ERROR
};
typedef void (notify_progress_t)(int, int);
void register_notify_progress(notify_progress_t *func);
int copy_file(int outfd, int infd, long long size, unsigned long *crc32);
char *copy_file_status_to_str(int status);
void set_size_limit(long long new_bytes_limit, long long new_files_limit);