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fixed severe exploit

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This commit is contained in:
Werner Koch 1998-07-09 13:37:17 +00:00
parent 5aed77d1db
commit e143f23c23
29 changed files with 1272 additions and 829 deletions
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5
cipher/dynload.c
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@ -22,6 +22,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifdef HAVE_DL_DLOPEN
#include <dlfcn.h>
#endif
@ -109,7 +110,11 @@ load_extension( EXTLIST el )
int seq = 0;
int class, vers;
/* make sure we are not setuid */
if( getuid() != geteuid() )
log_bug("trying to load an extension while still setuid\n");
/* now that we are not setuid anymore, we can safely load modules */
el->handle = dlopen(el->name, RTLD_NOW);
if( !el->handle ) {
log_error("%s: error loading extension: %s\n", el->name, dlerror() );