##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#include<config.h>
+
#include <apt-pkg/cdromutl.h>
#include <apt-pkg/error.h>
#include <apt-pkg/md5.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/strutl.h>
-#include <apti18n.h>
-
-#include <sys/wait.h>
-#include <sys/errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <iostream>
+#include <string>
+#include <vector>
#include <sys/statvfs.h>
#include <dirent.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
+
+#include <apti18n.h>
/*}}}*/
+using std::string;
+
// IsMounted - Returns true if the mount point is mounted /*{{{*/
// ---------------------------------------------------------------------
/* This is a simple algorithm that should always work, we stat the mount point
{
if (Path.empty() == true)
return false;
-
+
// Need that trailing slash for directories
if (Path[Path.length() - 1] != '/')
Path += '/';
-
- /* First we check if the path is actualy mounted, we do this by
- stating the path and the previous directory (carefull of links!)
+
+ // if the path has a ".disk" directory we treat it as mounted
+ // this way even extracted copies of disks are recognized
+ if (DirectoryExists(Path + ".disk/") == true)
+ return true;
+
+ /* First we check if the path is actually mounted, we do this by
+ stating the path and the previous directory (careful of links!)
and comparing their device fields. */
struct stat Buf,Buf2;
if (stat(Path.c_str(),&Buf) != 0 ||
leave /etc/mtab inconsitant. We drop all messages this produces. */
bool UnmountCdrom(string Path)
{
- if (IsMounted(Path) == false)
+ // do not generate errors, even if the mountpoint does not exist
+ // the mountpoint might be auto-created by the mount command
+ // and a non-existing mountpoint is surely not mounted
+ _error->PushToStack();
+ bool const mounted = IsMounted(Path);
+ _error->RevertToStack();
+ if (mounted == false)
return true;
for (int i=0;i<3;i++)
if (Child == 0)
{
// Make all the fds /dev/null
- for (int I = 0; I != 3; I++)
- dup2(open("/dev/null",O_RDWR),I);
+ int const null_fd = open("/dev/null",O_RDWR);
+ for (int I = 0; I != 3; ++I)
+ dup2(null_fd, I);
if (_config->Exists("Acquire::cdrom::"+Path+"::UMount") == true)
{
/* We fork mount and drop all messages */
bool MountCdrom(string Path, string DeviceName)
{
- if (IsMounted(Path) == true)
+ // do not generate errors, even if the mountpoint does not exist
+ // the mountpoint might be auto-created by the mount command
+ _error->PushToStack();
+ bool const mounted = IsMounted(Path);
+ _error->RevertToStack();
+ if (mounted == true)
return true;
-
+
int Child = ExecFork();
// The child
if (Child == 0)
{
// Make all the fds /dev/null
- for (int I = 0; I != 3; I++)
- dup2(open("/dev/null",O_RDWR),I);
-
+ int const null_fd = open("/dev/null",O_RDWR);
+ for (int I = 0; I != 3; ++I)
+ dup2(null_fd, I);
+
if (_config->Exists("Acquire::cdrom::"+Path+"::Mount") == true)
{
if (system(_config->Find("Acquire::cdrom::"+Path+"::Mount").c_str()) != 0)
Hash.Add(Dir->d_name);
};
- if (chdir(StartDir.c_str()) != 0)
- return _error->Errno("chdir",_("Unable to change to %s"),StartDir.c_str());
+ if (chdir(StartDir.c_str()) != 0) {
+ _error->Errno("chdir",_("Unable to change to %s"),StartDir.c_str());
+ closedir(D);
+ return false;
+ }
closedir(D);
// Some stats from the fsys
return true;
}
/*}}}*/
-
-// FindMountPointForDevice - Find mountpoint for the given device /*{{{*/
-char* FindMountPointForDevice(const char *devnode)
+// FindMountPointForDevice - Find mountpoint for the given device /*{{{*/
+string FindMountPointForDevice(const char *devnode)
{
- char buf[255];
- char *out[10];
- int i=0;
-
// this is the order that mount uses as well
- const char *mount[] = { "/etc/mtab",
- "/proc/mount",
- NULL };
+ std::vector<std::string> const mounts = _config->FindVector("Dir::state::MountPoints", "/etc/mtab,/proc/mount");
- for (i=0; mount[i] != NULL; i++) {
- if (FileExists(mount[i])) {
- FILE *f=fopen(mount[i], "r");
- while ( fgets(buf, sizeof(buf), f) != NULL) {
- if (strncmp(buf, devnode, strlen(devnode)) == 0) {
- if(TokSplitString(' ', buf, out, 10))
- return strdup(out[1]);
- }
- }
- fclose(f);
+ for (std::vector<std::string>::const_iterator m = mounts.begin(); m != mounts.end(); ++m)
+ if (FileExists(*m) == true)
+ {
+ char * line = NULL;
+ size_t line_len = 0;
+ FILE * f = fopen(m->c_str(), "r");
+ while(getline(&line, &line_len, f) != -1)
+ {
+ char * out[] = { NULL, NULL, NULL };
+ TokSplitString(' ', line, out, 3);
+ if (out[2] != NULL || out[1] == NULL || out[0] == NULL)
+ continue;
+ if (strcmp(out[0], devnode) != 0)
+ continue;
+ fclose(f);
+ // unescape the \0XXX chars in the path
+ string mount_point = out[1];
+ return DeEscapeString(mount_point);
+ }
+ fclose(f);
}
- }
-
- return NULL;
-}
-
+ return string();
+}
+ /*}}}*/
projects / apt.git / blobdiff