diff options
Diffstat (limited to 'testing/cpio/004-cpio-2.11-check_for_symlinks-CVE-2015-1197.patch')
-rw-r--r-- | testing/cpio/004-cpio-2.11-check_for_symlinks-CVE-2015-1197.patch | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/testing/cpio/004-cpio-2.11-check_for_symlinks-CVE-2015-1197.patch b/testing/cpio/004-cpio-2.11-check_for_symlinks-CVE-2015-1197.patch deleted file mode 100644 index 75a107b23a..0000000000 --- a/testing/cpio/004-cpio-2.11-check_for_symlinks-CVE-2015-1197.patch +++ /dev/null @@ -1,153 +0,0 @@ -Index: cpio-2.11/src/copyin.c -=================================================================== ---- cpio-2.11.orig/src/copyin.c 2014-07-01 14:02:39.991007263 +0200 -+++ cpio-2.11/src/copyin.c 2014-07-22 16:05:28.171344584 +0200 -@@ -686,6 +686,51 @@ copyin_link(struct cpio_file_stat *file_ - free (link_name); - } - -+ -+static int -+path_contains_symlink(char *path) -+{ -+ struct stat st; -+ char *slash; -+ char *nextslash; -+ -+ /* we got NULL pointer or empty string */ -+ if (!path || !*path) { -+ return false; -+ } -+ -+ slash = path; -+ -+ while ((nextslash = strchr(slash + 1, '/')) != NULL) { -+ slash = nextslash; -+ *slash = '\0'; -+ -+ if (lstat(path, &st) != 0) { -+ if (errno == ELOOP) { -+ /* ELOOP - too many symlinks */ -+ *slash = '/'; -+ return true; -+ } else if (errno == ENOMEM) { -+ /* No memory for lstat - terminate */ -+ xalloc_die(); -+ } else { -+ /* cannot lstat path - give up */ -+ *slash = '/'; -+ return false; -+ } -+ } -+ -+ if (S_ISLNK(st.st_mode)) { -+ *slash = '/'; -+ return true; -+ } -+ -+ *slash = '/'; -+ } -+ -+ return false; -+} -+ - static void - copyin_file (struct cpio_file_stat *file_hdr, int in_file_des) - { -@@ -1463,6 +1508,23 @@ process_copy_in () - { - /* Copy the input file into the directory structure. */ - -+ /* Can we write files over symlinks? */ -+ if (!extract_over_symlinks) -+ { -+ if (path_contains_symlink(file_hdr.c_name)) -+ { -+ /* skip the file */ -+ /* -+ fprintf(stderr, "Can't write over symlinks. Skipping %s\n", file_hdr.c_name); -+ tape_toss_input (in_file_des, file_hdr.c_filesize); -+ tape_skip_padding (in_file_des, file_hdr.c_filesize); -+ continue; -+ */ -+ /* terminate */ -+ error (1, 0, _("Can't write over symlinks: %s\n"), file_hdr.c_name); -+ } -+ } -+ - /* Do we need to rename the file? */ - if (rename_flag || rename_batch_file) - { -Index: cpio-2.11/src/global.c -=================================================================== ---- cpio-2.11.orig/src/global.c 2014-07-17 16:33:09.768900927 +0200 -+++ cpio-2.11/src/global.c 2014-07-21 17:45:58.563494706 +0200 -@@ -187,6 +187,9 @@ bool to_stdout_option = false; - /* The name this program was run with. */ - char *program_name; - -+/* Extract files over symbolic links */ -+bool extract_over_symlinks; -+ - /* A pointer to either lstat or stat, depending on whether - dereferencing of symlinks is done for input files. */ - int (*xstat) (); -Index: cpio-2.11/src/main.c -=================================================================== ---- cpio-2.11.orig/src/main.c 2014-07-01 14:02:39.840005051 +0200 -+++ cpio-2.11/src/main.c 2014-07-17 20:33:47.839215571 +0200 -@@ -57,7 +57,8 @@ enum cpio_options { - FORCE_LOCAL_OPTION, - DEBUG_OPTION, - BLOCK_SIZE_OPTION, -- TO_STDOUT_OPTION -+ TO_STDOUT_OPTION, -+ EXTRACT_OVER_SYMLINKS - }; - - const char *program_authors[] = -@@ -222,6 +223,8 @@ static struct argp_option options[] = { - N_("Create leading directories where needed"), GRID+1 }, - {"no-preserve-owner", NO_PRESERVE_OWNER_OPTION, 0, 0, - N_("Do not change the ownership of the files"), GRID+1 }, -+ {"extract-over-symlinks", EXTRACT_OVER_SYMLINKS, 0, 0, -+ N_("Force writing over symbolic links"), GRID+1 }, - {"unconditional", 'u', NULL, 0, - N_("Replace all files unconditionally"), GRID+1 }, - {"sparse", SPARSE_OPTION, NULL, 0, -@@ -413,6 +416,10 @@ crc newc odc bin ustar tar (all-caps als - no_chown_flag = true; - break; - -+ case EXTRACT_OVER_SYMLINKS: /* --extract-over-symlinks */ -+ extract_over_symlinks = true; -+ break; -+ - case 'o': /* Copy-out mode. */ - if (copy_function != 0) - error (PAXEXIT_FAILURE, 0, _("Mode already defined")); -Index: cpio-2.11/src/extern.h -=================================================================== ---- cpio-2.11.orig/src/extern.h 2014-07-01 14:02:39.907006032 +0200 -+++ cpio-2.11/src/extern.h 2014-07-17 17:11:20.948908806 +0200 -@@ -95,6 +95,7 @@ extern char input_is_special; - extern char output_is_special; - extern char input_is_seekable; - extern char output_is_seekable; -+extern bool extract_over_symlinks; - extern int (*xstat) (); - extern void (*copy_function) (); - -Index: cpio-2.11/doc/cpio.1 -=================================================================== ---- cpio-2.11.orig/doc/cpio.1 2009-02-14 19:15:50.000000000 +0100 -+++ cpio-2.11/doc/cpio.1 2014-07-21 23:00:33.878746855 +0200 -@@ -22,6 +22,7 @@ cpio \- copy files to and from archives - [\-\-owner=[user][:.][group]] [\-\-no-preserve-owner] [\-\-message=message] - [\-\-force\-local] [\-\-no\-absolute\-filenames] [\-\-sparse] - [\-\-only\-verify\-crc] [\-\-to\-stdout] [\-\-quiet] [\-\-rsh-command=command] -+[\-\-extract\-over\-symlinks] - [\-\-help] [\-\-version] [pattern...] [< archive] - - .B cpio - |