diff options
Diffstat (limited to 'pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/preload.c')
-rw-r--r-- | pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/preload.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/preload.c b/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/preload.c deleted file mode 100644 index 1e2c31d9527a..000000000000 --- a/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/preload.c +++ /dev/null @@ -1,60 +0,0 @@ -/* Google Talk Plugin executes a helper program in /opt. This - LD_PRELOAD library intercepts execvp() calls to redirect them to - the corresponding location in $out. */ - -#define _GNU_SOURCE -#include <stdio.h> -#include <stdarg.h> -#include <stdlib.h> -#include <string.h> -#include <dlfcn.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <limits.h> - -char origDir [] = "/opt/google/talkplugin"; -char realDir [] = OUT "/libexec/google/talkplugin"; - -const char * rewrite(const char * path, char * buf) -{ - if (strncmp(path, origDir, sizeof(origDir) - 1) != 0) return path; - if (snprintf(buf, PATH_MAX, "%s%s", realDir, path + sizeof(origDir) - 1) >= PATH_MAX) - abort(); - return buf; -} - -int execvp(const char * path, char * const argv[]) -{ - int (*_execvp) (const char *, char * const argv[]) = dlsym(RTLD_NEXT, "execvp"); - char buf[PATH_MAX]; - return _execvp(rewrite(path, buf), argv); -} - -int open(const char *path, int flags, ...) -{ - char buf[PATH_MAX]; - int (*_open) (const char *, int, mode_t) = dlsym(RTLD_NEXT, "open"); - mode_t mode = 0; - if (flags & O_CREAT) { - va_list ap; - va_start(ap, flags); - mode = va_arg(ap, mode_t); - va_end(ap); - } - return _open(rewrite(path, buf), flags, mode); -} - -int open64(const char *path, int flags, ...) -{ - char buf[PATH_MAX]; - int (*_open64) (const char *, int, mode_t) = dlsym(RTLD_NEXT, "open64"); - mode_t mode = 0; - if (flags & O_CREAT) { - va_list ap; - va_start(ap, flags); - mode = va_arg(ap, mode_t); - va_end(ap); - } - return _open64(rewrite(path, buf), flags, mode); -} |