diff options
Diffstat (limited to 'meta/recipes-devtools/opkg/opkg/add_uname_support.patch')
| -rw-r--r-- | meta/recipes-devtools/opkg/opkg/add_uname_support.patch | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/meta/recipes-devtools/opkg/opkg/add_uname_support.patch b/meta/recipes-devtools/opkg/opkg/add_uname_support.patch new file mode 100644 index 0000000000..0f627f1178 --- /dev/null +++ b/meta/recipes-devtools/opkg/opkg/add_uname_support.patch @@ -0,0 +1,88 @@ + +When updating packages on the target device we ideally want to match +user and group numbers from the existing file system. This patch encourages +opkg to lookup the uname/gname fields first and only use the hardcoded +numerical values if that fails. + +Upstream-Status: Pending + +RP 11/11/11 + +Index: trunk/libbb/unarchive.c +=================================================================== +--- trunk.orig/libbb/unarchive.c 2011-11-11 15:52:59.761674091 +0000 ++++ trunk/libbb/unarchive.c 2011-11-11 17:04:56.501574419 +0000 +@@ -22,10 +22,13 @@ + #include <stdio.h> + #include <errno.h> + #include <stdlib.h> ++#include <stdbool.h> + #include <string.h> + #include <unistd.h> + #include <utime.h> + #include <libgen.h> ++#include <grp.h> ++#include <pwd.h> + + #include "libbb.h" + +@@ -436,6 +439,42 @@ + free(ar_entry); + } + ++static char uname_cache[32] = ""; ++static uid_t uid_cache; ++ ++static bool update_unamecache(char *uname) { ++ struct passwd *passwd; ++ if (!uname) ++ return FALSE; ++ if (!uname_cache[0] && strcmp(uname_cache, uname) == 0) ++ return TRUE; ++ passwd = getpwnam(uname); ++ if (passwd) { ++ uid_cache = passwd->pw_uid; ++ strncpy(uname, uname_cache, 32); ++ return TRUE; ++ } ++ return FALSE; ++} ++ ++static char gname_cache[32] = ""; ++static gid_t gid_cache; ++ ++static bool update_gnamecache(char *gname) { ++ struct group *group; ++ if (!gname) ++ return FALSE; ++ if (!gname_cache[0] && strcmp(gname_cache, gname) == 0) ++ return TRUE; ++ group = getgrnam(gname); ++ if (group) { ++ gid_cache = group->gr_gid; ++ strncpy(gname, gname_cache, 32); ++ return TRUE; ++ } ++ return FALSE; ++} ++ + + static file_header_t * + get_header_tar(FILE *tar_stream) +@@ -515,8 +554,14 @@ + */ + tar_entry->mode = 07777 & strtol(tar.formated.mode, NULL, 8); + +- tar_entry->uid = strtol(tar.formated.uid, NULL, 8); +- tar_entry->gid = strtol(tar.formated.gid, NULL, 8); ++ if (update_unamecache(tar.formated.uname)) ++ tar_entry->uid = uid_cache; ++ else ++ tar_entry->uid = strtol(tar.formated.uid, NULL, 8); ++ if (update_gnamecache(tar.formated.gname)) ++ tar_entry->gid = gid_cache; ++ else ++ tar_entry->gid = strtol(tar.formated.gid, NULL, 8); + tar_entry->size = strtol(tar.formated.size, NULL, 8); + tar_entry->mtime = strtol(tar.formated.mtime, NULL, 8); + |