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Diffstat (limited to 'source/ap/ksh93/patches/ksh-20140929-safefd.patch')
-rw-r--r--source/ap/ksh93/patches/ksh-20140929-safefd.patch52
1 files changed, 52 insertions, 0 deletions
diff --git a/source/ap/ksh93/patches/ksh-20140929-safefd.patch b/source/ap/ksh93/patches/ksh-20140929-safefd.patch
new file mode 100644
index 00000000..80db2052
--- /dev/null
+++ b/source/ap/ksh93/patches/ksh-20140929-safefd.patch
@@ -0,0 +1,52 @@
+diff -up ksh-20120801/src/cmd/ksh93/include/io.h.safefd ksh-20120801/src/cmd/ksh93/include/io.h
+--- ksh-20120801/src/cmd/ksh93/include/io.h.safefd 2015-03-03 18:21:40.544732158 +0100
++++ ksh-20120801/src/cmd/ksh93/include/io.h 2015-03-03 18:22:16.284447849 +0100
+@@ -78,6 +78,7 @@ extern void sh_iorestore(Shell_t*,int,i
+ extern Sfio_t *sh_iostream(Shell_t*,int);
+ extern int sh_redirect(Shell_t*,struct ionod*,int);
+ extern void sh_iosave(Shell_t *, int,int,char*);
++extern int safefdnumber(Shell_t* shp, int sfd);
+ extern int sh_iovalidfd(Shell_t*, int);
+ extern int sh_inuse(Shell_t*, int);
+ extern void sh_iounsave(Shell_t*);
+diff -up ksh-20120801/src/cmd/ksh93/sh/io.c.safefd ksh-20120801/src/cmd/ksh93/sh/io.c
+--- ksh-20120801/src/cmd/ksh93/sh/io.c.safefd 2015-03-03 18:21:40.511732421 +0100
++++ ksh-20120801/src/cmd/ksh93/sh/io.c 2015-03-03 18:21:40.544732158 +0100
+@@ -1724,6 +1724,25 @@ void sh_iosave(Shell_t *shp, register in
+ }
+ }
+
++int safefdnumber(Shell_t* shp, int sfd)
++{
++ register int fd;
++
++ while(1)
++ {
++ for(fd=0; fd < shp->topfd; fd++)
++ {
++ if (filemap[fd].save_fd==sfd || filemap[fd].orig_fd==sfd || (fcntl(sfd, F_GETFD) != -1 || errno != EBADF))
++ {
++ sfd++;
++ continue;
++ }
++ }
++ break;
++ }
++ return sfd;
++}
++
+ /*
+ * close all saved file descriptors
+ */
+diff -up ksh-20120801/src/cmd/ksh93/sh/subshell.c.safefd ksh-20120801/src/cmd/ksh93/sh/subshell.c
+--- ksh-20120801/src/cmd/ksh93/sh/subshell.c.safefd 2015-03-03 18:21:40.531732261 +0100
++++ ksh-20120801/src/cmd/ksh93/sh/subshell.c 2015-03-03 18:21:40.544732158 +0100
+@@ -673,7 +673,7 @@ Sfio_t *sh_subshell(Shell_t *shp,Shnode_
+ }
+ if(iop && sffileno(iop)==1)
+ {
+- int fd=sfsetfd(iop,3);
++ int fd=sfsetfd(iop,safefdnumber(shp,3));
+ if(fd<0)
+ {
+ shp->toomany = 1;