X-Git-Url: http://git.tdb.fi/?p=pmount-gui.git;a=blobdiff_plain;f=main.c;h=f62b7b0b0b6f28f7791352c75eb5d0cdee8cfefc;hp=10bf929ed3a5ee496c83dd704b73502bacbed04e;hb=890ae36a86ec7297a8e2ec4ac85ea44482b3938c;hpb=fe4f027a26f5cb1213d21be45da3fc742dff7db5 diff --git a/main.c b/main.c index 10bf929..f62b7b0 100644 --- a/main.c +++ b/main.c @@ -1,7 +1,10 @@ #include #include #include +#include +#include #include +#include #include #include #include @@ -17,9 +20,12 @@ typedef struct sDevice 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; @@ -48,13 +54,14 @@ Property *get_device_properties(char *node) 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); @@ -63,7 +70,8 @@ Property *get_device_properties(char *node) } else if(pid>0) { - char buf[256]; + char *buf; + int bufsize; int pos = 0; int eof = 0; Property *props = NULL; @@ -71,6 +79,9 @@ Property *get_device_properties(char *node) close(pipe_fd[1]); + bufsize = 256; + buf = (char *)malloc(bufsize); + while(1) { int newline; @@ -81,7 +92,7 @@ Property *get_device_properties(char *node) { 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) @@ -95,13 +106,17 @@ Property *get_device_properties(char *node) 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; @@ -112,8 +127,13 @@ Property *get_device_properties(char *node) 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]); @@ -159,24 +179,245 @@ void free_properties(Property *props) 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=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=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; @@ -184,7 +425,10 @@ Device *get_devices(void) 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) @@ -193,11 +437,12 @@ Device *get_devices(void) { 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"); @@ -205,20 +450,30 @@ Device *get_devices(void) 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; } @@ -232,6 +487,7 @@ void free_devices(Device *devices) { free(devices[i].node); free(devices[i].label); + free(devices[i].description); } free(devices); } @@ -240,6 +496,7 @@ void row_activated(GtkTreeView *list, GtkTreePath *path, GtkTreeViewColumn *colu { GtkTreeModel *model; GtkTreeIter iter; + int umount = *(int *)user_data; model = gtk_tree_view_get_model(list); @@ -247,25 +504,71 @@ void row_activated(GtkTreeView *list, GtkTreePath *path, GtkTreeViewColumn *colu { 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) @@ -279,9 +582,22 @@ 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); @@ -292,7 +608,7 @@ int main(int argc, char **argv) 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)); @@ -302,19 +618,38 @@ int main(int argc, char **argv) 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);