#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
#include <dirent.h>
+#include <mntent.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <gtk/gtk.h>
char *node;
char *label;
char *description;
+ int mounted;
time_t time;
} Device;
+int verbosity = 0;
+
int parse_property(char *str, int size, Property *prop)
{
int equals = -1;
int pid;
int pipe_fd[2];
- /*printf("Examining device %s\n", node);*/
-
pipe(pipe_fd);
pid = fork();
if(pid==0)
{
+ if(verbosity>=2)
+ printf("Running udevadm info -q property -n \"%s\"\n", node);
+
close(pipe_fd[0]);
dup2(pipe_fd[1], 1);
}
else if(pid>0)
{
- char buf[256];
+ char *buf;
+ int bufsize;
int pos = 0;
int eof = 0;
Property *props = NULL;
close(pipe_fd[1]);
+ bufsize = 256;
+ buf = (char *)malloc(bufsize);
+
while(1)
{
int newline;
{
int len;
- len = read(pipe_fd[0], buf+pos, sizeof(buf)-pos);
+ len = read(pipe_fd[0], buf+pos, bufsize-pos);
if(len==0)
eof = 1;
else if(len==-1)
newline = i;
if(newline<0)
- break;
+ {
+ if(eof)
+ break;
+ bufsize *= 2;
+ buf = (char *)realloc(buf, bufsize);
+ continue;
+ }
if(parse_property(buf, newline, &prop)==0)
{
- /*printf("Got property '%s' = '%s'\n", prop.name, prop.value);*/
-
- props = (Property *)realloc(props, (n_props*2)*sizeof(Property));
+ props = (Property *)realloc(props, (n_props+2)*sizeof(Property));
props[n_props] = prop;
++n_props;
break;
}
- props[n_props].name = NULL;
- props[n_props].value = NULL;
+ free(buf);
+
+ if(props)
+ {
+ props[n_props].name = NULL;
+ props[n_props].value = NULL;
+ }
waitpid(pid, NULL, 0);
close(pipe_fd[0]);
free(props);
}
-Device *get_devices(void)
+char **get_mounted_devices(void)
+{
+ FILE *mtab;
+ struct mntent *me;
+ char **mounted = NULL;
+ int n_mounted = 0;
+
+ mtab = setmntent("/etc/mtab", "r");
+ if(!mtab)
+ return NULL;
+
+ while((me = getmntent(mtab)))
+ {
+ mounted = (char **)realloc(mounted, (n_mounted+2)*sizeof(char *));
+ mounted[n_mounted] = strdup(me->mnt_fsname);
+ ++n_mounted;
+ }
+
+ endmntent(mtab);
+ mounted[n_mounted] = NULL;
+
+ return mounted;
+}
+
+int is_mounted(char **mounted, char *devname)
+{
+ int i;
+ for(i=0; mounted[i]; ++i)
+ if(!strcmp(devname, mounted[i]))
+ return 1;
+ return 0;
+}
+
+void free_mounted_devices(char **mounted)
+{
+ int i;
+ if(!mounted)
+ return;
+ for(i=0; mounted[i]; ++i)
+ free(mounted[i]);
+ free(mounted);
+}
+
+int is_removable(char *devpath)
+{
+ char fnbuf[256];
+ int len;
+ char *ptr;
+ int fd;
+
+ len = snprintf(fnbuf, sizeof(fnbuf), "/sys%s", devpath);
+ if(len+10>=(int)sizeof(fnbuf))
+ return 0;
+
+ for(ptr=fnbuf+len; (ptr>fnbuf && *ptr!='/'); --ptr) ;
+ strcpy(ptr, "/removable");
+ fd = open(fnbuf, O_RDONLY);
+ if(fd!=-1)
+ {
+ char c;
+ read(fd, &c, 1);
+ close(fd);
+ if(c=='1')
+ {
+ if(verbosity>=2)
+ printf(" Removable\n");
+ return 1;
+ }
+ if(verbosity>=2)
+ printf(" Not removable\n");
+ }
+
+ return 0;
+}
+
+int check_buses(char *devpath, char **buses)
+{
+ char fnbuf[256];
+ char *ptr;
+ int len;
+
+ len = snprintf(fnbuf, sizeof(fnbuf), "/sys%s", devpath);
+ if(len+10>=(int)sizeof(fnbuf))
+ return 0;
+
+ for(ptr=fnbuf+len; ptr>fnbuf+12; --ptr)
+ if(*ptr=='/')
+ {
+ char linkbuf[256];
+ strcpy(ptr, "/subsystem");
+ len = readlink(fnbuf, linkbuf, sizeof(linkbuf)-1);
+ *ptr = 0;
+
+ if(len!=-1)
+ {
+ int i;
+ linkbuf[len] = 0;
+ for(; (len>0 && linkbuf[len-1]!='/'); --len) ;
+ if(verbosity>=2)
+ printf(" Subsystem of %s is %s\n", fnbuf, linkbuf+len);
+ for(i=0; buses[i]; ++i)
+ if(strcmp(linkbuf+len, buses[i])==0)
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+int can_mount(Property *props)
+{
+ static char *removable_buses[] = { "usb", "firewire", 0 };
+ char *devpath;
+ int i;
+
+ if(!match_property_value(props, "DEVTYPE", "partition"))
+ return 0;
+
+ devpath = get_property_value(props, "DEVPATH");
+ if(is_removable(devpath))
+ return 1;
+
+ for(i=0; removable_buses[i]; ++i)
+ if(match_property_value(props, "ID_BUS", removable_buses[i]))
+ return 1;
+
+ return check_buses(devpath, removable_buses);
+}
+
+char **get_device_nodes(char *dirname)
{
DIR *dir;
struct dirent *de;
char fnbuf[256];
- Device *devices = NULL;
- int n_devices = 0;
-
- dir = opendir("/dev/disk/by-id");
+ char linkbuf[256];
+ struct stat st;
+ char **nodes = NULL;
+ int n_nodes = 0;
+ char **checked = NULL;
+ int n_checked = 0;
+ int i;
+
+ dir = opendir(dirname);
+ if(!dir)
+ return NULL;
+
while((de = readdir(dir)))
{
+ char *node;
+ int duplicate = 0;
+
if(de->d_name[0]=='.' && (de->d_name[1]==0 || (de->d_name[1]=='.' && de->d_name[2]==0)))
continue;
- snprintf(fnbuf, sizeof(fnbuf), "/dev/disk/by-id/%s", de->d_name);
- Property *props = get_device_properties(fnbuf);
- if(match_property_value(props, "ID_BUS", "usb") && match_property_value(props, "DEVTYPE", "partition"))
+ snprintf(fnbuf, sizeof(fnbuf), "%s/%s", dirname, de->d_name);
+
+ node = fnbuf;
+ lstat(fnbuf, &st);
+ if(S_ISLNK(st.st_mode))
+ {
+ int len;
+ len = readlink(fnbuf, linkbuf, sizeof(linkbuf)-1);
+ if(len!=-1)
+ {
+ linkbuf[len] = 0;
+ node = linkbuf;
+ }
+ }
+
+ if(checked)
+ {
+ for(i=0; (!duplicate && i<n_checked); ++i)
+ if(strcmp(node, checked[i])==0)
+ duplicate = 1;
+ }
+ if(duplicate)
+ {
+ if(verbosity>=2)
+ printf("Device %s is a duplicate\n", fnbuf);
+ continue;
+ }
+
+ checked = (char **)realloc(checked, (n_checked+1)*sizeof(char *));
+ checked[n_checked] = strdup(node);
+ ++n_checked;
+
+ nodes = (char **)realloc(nodes, (n_nodes+2)*sizeof(char *));
+ nodes[n_nodes] = strdup(fnbuf);
+ ++n_nodes;
+ }
+
+ closedir(dir);
+ if(checked)
+ {
+ for(i=0; i<n_checked; ++i)
+ free(checked[i]);
+ free(checked);
+ }
+
+ if(nodes)
+ nodes[n_nodes] = NULL;
+
+ return nodes;
+}
+
+Device *get_devices(void)
+{
+ char **nodes = NULL;
+ Device *devices = NULL;
+ int n_devices = 0;
+ char **mounted = NULL;
+ int i;
+
+ nodes = get_device_nodes("/dev/disk/by-id");
+ mounted = get_mounted_devices();
+
+ for(i=0; nodes[i]; ++i)
+ {
+ if(verbosity>=1)
+ printf("Examining device %s\n", nodes[i]);
+
+ Property *props = get_device_properties(nodes[i]);
+ if(!props)
+ {
+ if(verbosity>=2)
+ printf(" No properties\n");
+ continue;
+ }
+
+ if(verbosity>=2)
{
+ int j;
+ for(j=0; props[j].name; ++j)
+ printf(" %s = %s\n", props[j].name, props[j].value);
+ }
+
+ if(can_mount(props))
+ {
+ char *devname;
char *label;
char *vendor;
char *model;
char pos;
struct stat st;
- /*printf("Using device %s\n", fnbuf);*/
+ if(verbosity>=1)
+ printf(" Using device\n");
+
+ devname = get_property_value(props, "DEVNAME");
label = get_property_value(props, "ID_FS_LABEL");
if(!label)
{
char *ptr;
- label = get_property_value(props, "DEVNAME");
+ label = devname;
for(ptr=label; *ptr; ++ptr)
if(*ptr=='/')
label = ptr+1;
}
+
vendor = get_property_value(props, "ID_VENDOR");
model = get_property_value(props, "ID_MODEL");
if(vendor && model)
pos += snprintf(buf+pos, sizeof(buf)-pos, " (%s %s)", vendor, model);
- stat(fnbuf, &st);
+ stat(nodes[i], &st);
devices = (Device *)realloc(devices, (n_devices+2)*sizeof(Device));
- devices[n_devices].node = strdup(fnbuf);
+ devices[n_devices].node = nodes[i];
devices[n_devices].label = strdup(label);
devices[n_devices].description = strdup(buf);
+ devices[n_devices].mounted = is_mounted(mounted, devname);
devices[n_devices].time = st.st_mtime;
++n_devices;
}
+ else
+ free(nodes[i]);
free_properties(props);
}
- devices[n_devices].node = NULL;
- devices[n_devices].label = NULL;
+ free(nodes);
+ free_mounted_devices(mounted);
+
+ if(devices)
+ {
+ devices[n_devices].node = NULL;
+ devices[n_devices].label = NULL;
+ devices[n_devices].description = NULL;
+ }
return devices;
}
{
free(devices[i].node);
free(devices[i].label);
+ free(devices[i].description);
}
free(devices);
}
{
GtkTreeModel *model;
GtkTreeIter iter;
+ int umount = *(int *)user_data;
model = gtk_tree_view_get_model(list);
{
Device *device;
int pid;
+ int pipe_fd[2];
gtk_tree_model_get(model, &iter, 1, &device, -1);
+ pipe(pipe_fd);
+
pid = fork();
if(pid==0)
{
- execl("/usr/bin/pmount", "pmount", device->node, device->label, NULL);
+ if(verbosity>=1)
+ {
+ if(umount)
+ printf("Running pumount %s\n", device->node);
+ else
+ printf("Running pmount %s %s\n", device->node, device->label);
+ }
+
+ close(pipe_fd[0]);
+ dup2(pipe_fd[1], 1);
+ dup2(pipe_fd[1], 2);
+
+ if(umount)
+ execl("/usr/bin/pumount", "pumount", device->node, NULL);
+ else
+ execl("/usr/bin/pmount", "pmount", device->node, device->label, NULL);
_exit(1);
}
else if(pid>0)
{
- waitpid(pid, NULL, 0);
+ char buf[1024];
+ int pos = 0;
+ int status;
+
+ close(pipe_fd[1]);
+
+ while(1)
+ {
+ int len;
+
+ len = read(pipe_fd[0], buf+pos, sizeof(buf)-pos-1);
+ if(len<=0)
+ break;
+ pos += len;
+ }
+
+ buf[pos] = 0;
+
+ waitpid(pid, &status, 0);
+ if(!WIFEXITED(status) || WEXITSTATUS(status))
+ {
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", buf);
+ g_signal_connect(dialog, "response", >k_main_quit, NULL);
+ gtk_widget_show_all(dialog);
+ }
+ else
+ gtk_main_quit();
+ }
+ else
+ {
}
}
(void)column;
- (void)user_data;
-
- gtk_main_quit();
}
int main(int argc, char **argv)
Device *devices;
int i;
time_t latest;
+ int opt;
+ int umount = 0;
+ int n_listed;
gtk_init(&argc, &argv);
+ while((opt = getopt(argc, argv, "vu"))!=-1) switch(opt)
+ {
+ case 'v':
+ ++verbosity;
+ break;
+ case 'u':
+ umount = 1;
+ break;
+ }
+
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_container_set_border_width(GTK_CONTAINER(window), 5);
g_signal_connect(window, "destroy", >k_main_quit, NULL);
list = gtk_tree_view_new();
gtk_container_add(GTK_CONTAINER(viewport), list);
- g_signal_connect(list, "row-activated", (GCallback)&row_activated, NULL);
+ g_signal_connect(list, "row-activated", (GCallback)&row_activated, &umount);
store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_POINTER);
gtk_tree_view_set_model(GTK_TREE_VIEW(list), GTK_TREE_MODEL(store));
selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(list));
devices = get_devices();
- latest = 0;
- for(i=0; devices[i].node; ++i)
+ n_listed = 0;
+ if(devices)
{
- gtk_list_store_append(store, &iter);
- gtk_list_store_set(store, &iter, 0, devices[i].description, 1, &devices[i], -1);
- if(devices[i].time>latest)
- {
- latest = devices[i].time;
- gtk_tree_selection_select_iter(selection, &iter);
- }
+ latest = 0;
+ for(i=0; devices[i].node; ++i)
+ if(!devices[i].mounted==!umount)
+ {
+ gtk_list_store_append(store, &iter);
+ gtk_list_store_set(store, &iter, 0, devices[i].description, 1, &devices[i], -1);
+ if(devices[i].time>latest)
+ {
+ latest = devices[i].time;
+ gtk_tree_selection_select_iter(selection, &iter);
+ }
+
+ ++n_listed;
+ }
+
+ }
+
+ if(n_listed)
+ gtk_widget_show_all(window);
+ else
+ {
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK,
+ "No devices to %s", (umount ? "unmount" : "mount"));
+ g_signal_connect(dialog, "response", >k_main_quit, NULL);
+ gtk_widget_show_all(dialog);
}
- gtk_widget_show_all(window);
gtk_main();
free_devices(devices);
projects / pmount-gui.git / blobdiff