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