src/install.c

   1 #include "install.h"
   2 #include "main.h"
   3 #include "gettext.h"
   4
   5 #include <errno.h>
   6 #include <sys/types.h>
   7 #include <sys/stat.h>
   8 #include <fcntl.h>
   9 #include <zlib.h>
  10 #include <libtar.h>
  11
  12 static gzFile gzf = NULL;
  13
  14 static int gzopen_frontend(const char *path, int oflags, int mode)
  15 {
  16     int fd;
  17
  18     if ((fd = open(path, oflags, mode)) < 0) return -1;
  19     if (!(gzf = gzdopen(fd, "rb"))) return -1;
  20     return 1;
  21 }
  22
  23 static int gzclose_frontend(int nothing)
  24 {
  25     g_return_val_if_fail(gzf != NULL, 0);
  26     return gzclose(gzf);
  27 }
  28
  29 static ssize_t gzread_frontend(int nothing, void *buf, size_t s)
  30 {
  31     return gzread(gzf, buf, s);
  32 }
  33
  34 static ssize_t gzwrite_frontend(int nothing, const void *buf, size_t s)
  35 {
  36     return gzwrite(gzf, buf, s);
  37 }
  38
  39 tartype_t funcs = {
  40     (openfunc_t) gzopen_frontend,
  41     (closefunc_t) gzclose_frontend,
  42     (readfunc_t) gzread_frontend,
  43     (writefunc_t) gzwrite_frontend
  44 };
  45
  46 gboolean install_theme(char *path, char *theme)
  47 {
  48     TAR *t;
  49     gchar *dest;
  50     gint r;
  51     gchar *glob;
  52     GtkWidget *w;
  53
  54     dest = g_build_path(G_DIR_SEPARATOR_S, g_get_home_dir(), ".themes", NULL);
  55     r = mkdir(dest, 0777);
  56     if (r == -1 && errno != EEXIST) {
  57         w = gtk_message_dialog_new(GTK_WINDOW(mainwin),
  58                                    GTK_DIALOG_DESTROY_WITH_PARENT |
  59                                    GTK_DIALOG_MODAL,
  60                                    GTK_MESSAGE_ERROR,
  61                                    GTK_BUTTONS_OK,
  62                                    _("Unable to create directory \"%s\": %s"),
  63                                    dest, strerror(errno));
  64         gtk_dialog_run(GTK_DIALOG(w));
  65         gtk_widget_destroy(w);
  66         return FALSE;
  67     }
  68     if (chdir(dest) == -1) {
  69         w = gtk_message_dialog_new(GTK_WINDOW(mainwin),
  70                                    GTK_DIALOG_DESTROY_WITH_PARENT |
  71                                    GTK_DIALOG_MODAL,
  72                                    GTK_MESSAGE_ERROR,
  73                                    GTK_BUTTONS_OK,
  74                                    _("Unable to move to directory \"%s\": %s"),
  75                                    dest, strerror(errno));
  76         gtk_dialog_run(GTK_DIALOG(w));
  77         gtk_widget_destroy(w);
  78         return FALSE;
  79     }
  80
  81     if (tar_open(&t, path, &funcs, 0, O_RDONLY, TAR_GNU) == -1) {
  82         w = gtk_message_dialog_new(GTK_WINDOW(mainwin),
  83                                    GTK_DIALOG_DESTROY_WITH_PARENT |
  84                                    GTK_DIALOG_MODAL,
  85                                    GTK_MESSAGE_ERROR,
  86                                    GTK_BUTTONS_OK,
  87                                    _("Unable to open the file \"%s\": %s"),
  88                                    path, strerror(errno));
  89         gtk_dialog_run(GTK_DIALOG(w));
  90         gtk_widget_destroy(w);
  91         return FALSE;
  92     }
  93
  94     glob = g_strdup_printf("%s/openbox-3/*", theme);
  95     r = tar_extract_glob(t, glob, dest);
  96     g_free(glob);
  97     tar_close(t);
  98
  99     if (r != 0) {
 100         w = gtk_message_dialog_new(GTK_WINDOW(mainwin),
 101                                    GTK_DIALOG_DESTROY_WITH_PARENT |
 102                                    GTK_DIALOG_MODAL,
 103                                    GTK_MESSAGE_ERROR,
 104                                    GTK_BUTTONS_OK,
 105                                    _("Unable to extract the file \"%s\".\nIt does not appear to be a valid Openbox theme archive (in tar.gz format)."),
 106                                    path, strerror(errno));
 107         gtk_dialog_run(GTK_DIALOG(w));
 108         gtk_widget_destroy(w);
 109
 110         g_free(dest);
 111         return FALSE;
 112     }
 113
 114     w = gtk_message_dialog_new(GTK_WINDOW(mainwin),
 115                                GTK_DIALOG_DESTROY_WITH_PARENT |
 116                                GTK_DIALOG_MODAL,
 117                                GTK_MESSAGE_INFO,
 118                                GTK_BUTTONS_OK,
 119                                _("%s was installed to %s"),
 120                                theme, dest);
 121     gtk_dialog_run(GTK_DIALOG(w));
 122     gtk_widget_destroy(w);
 123
 124     g_free(dest);
 125
 126     return TRUE;
 127 }