diff options
Diffstat (limited to '')
| -rw-r--r-- | w3mimg/fb/fb_w3mimg.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/w3mimg/fb/fb_w3mimg.c b/w3mimg/fb/fb_w3mimg.c index 2733624..6734463 100644 --- a/w3mimg/fb/fb_w3mimg.c +++ b/w3mimg/fb/fb_w3mimg.c @@ -1,8 +1,12 @@ -/* $Id: fb_w3mimg.c,v 1.5 2002/10/31 09:36:22 ukai Exp $ */ +/* $Id: fb_w3mimg.c,v 1.6 2002/11/06 03:50:49 ukai Exp $ */ #include <stdio.h> #include <stdlib.h> #include <ctype.h> #include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> #include "w3mimg/fb/fb.h" #include "w3mimg/fb/fb_img.h" @@ -128,6 +132,24 @@ w3mfb_get_image_size(w3mimg_op * self, W3MImage * img, return 1; } +#ifdef W3MIMGDISPLAY_SETUID +static int +check_tty_console(char *tty) +{ + if (tty == NULL || *tty == '\0') + return 0; + if (strncmp(tty, "/dev/", 5) == 0) + tty += 5; + if (strncmp(tty, "tty", 3) == 0 && isdigit(*(tty+3))) + return 1; + if (strncmp(tty, "vc/", 3) == 0 && isdigit(*(tty+3))) + return 1; + return 0; +} +#else +#define check_tty_console(tty) 1 +#endif + w3mimg_op * w3mimg_fbopen() { @@ -137,6 +159,11 @@ w3mimg_fbopen() return NULL; memset(wop, 0, sizeof(w3mimg_op)); + if (! check_tty_console(getenv("W3M_TTY"))) { + fprintf(stderr, "w3mimgdisplay/fb: tty is not console\n"); + goto error; + } + if (fb_open()) goto error; |