core-admin/appvm/dvm_file_editor.c
2011-03-31 13:26:41 +02:00

80 lines
1.7 KiB
C

#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <ioall.h>
#include "dvm2.h"
char *get_filename()
{
char buf[DVM_FILENAME_SIZE];
static char retname[sizeof(buf) + sizeof("/tmp/")];
if (!read_all(0, buf, sizeof(buf)))
exit(1);
if (index(buf, '/')) {
fprintf(stderr, "filename contains /");
exit(1);
}
snprintf(retname, sizeof(retname), "/tmp/%s", buf);
return retname;
}
void copy_file(char *filename)
{
int fd = open(filename, O_WRONLY | O_CREAT, 0600);
if (fd < 0) {
perror("open file");
exit(1);
}
if (!copy_fd_all(fd, 0))
exit(1);
close(fd);
}
void send_file_back(char * filename)
{
int fd = open(filename, O_RDONLY);
if (fd < 0) {
perror("open file");
exit(1);
}
if (!copy_fd_all(1, fd))
exit(1);
close(fd);
}
int
main()
{
char cmdbuf[512];
struct stat stat_pre, stat_post;
char *filename = get_filename();
copy_file(filename);
if (stat(filename, &stat_pre)) {
perror("stat pre");
exit(1);
}
snprintf(cmdbuf, sizeof(cmdbuf),
"HOME=/home/user DISPLAY=:0 /usr/bin/mimeopen -n -M '%s' > /tmp/kde-open.log 2>&1 </dev/null",
filename);
if (system(cmdbuf))
#ifdef USE_KDIALOG
system
("HOME=/home/user DISPLAY=:0 /usr/bin/kdialog --sorry 'Unable to handle mimetype of the requested file!' > /tmp/kdialog.log 2>&1 </dev/null");
#else
system
("HOME=/home/user DISPLAY=:0 /usr/bin/zenity --error --text 'Unable to handle mimetype of the requested file!' > /tmp/kdialog.log 2>&1 </dev/null");
#endif
if (stat(filename, &stat_post)) {
perror("stat post");
exit(1);
}
if (stat_pre.st_mtime != stat_post.st_mtime)
send_file_back(filename);
return 0;
}