61c839ddd7
Opkg now uses sha256 by default and expects them. Making it optionally understand md5s also and detect md5 sum so we can migrate from configuration that used md5. Signed-off-by: Michal Hrusecky <Michal.Hrusecky@nic.cz> SVN-Revision: 48867
178 lines
5.2 KiB
Diff
178 lines
5.2 KiB
Diff
--- a/libopkg/conffile.c
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+++ b/libopkg/conffile.c
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@@ -36,7 +36,7 @@ void conffile_deinit(conffile_t *conffil
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int conffile_has_been_modified(conffile_t *conffile)
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{
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- char *md5sum;
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+ char *chksum;
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char *filename = conffile->name;
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char *root_filename;
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int ret = 1;
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@@ -48,16 +48,23 @@ int conffile_has_been_modified(conffile_
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root_filename = root_filename_alloc(filename);
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- md5sum = file_md5sum_alloc(root_filename);
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-
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- if (md5sum && (ret = strcmp(md5sum, conffile->value))) {
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- opkg_msg(INFO, "Conffile %s:\n\told md5=%s\n\tnew md5=%s\n",
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- conffile->name, md5sum, conffile->value);
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+#ifdef HAVE_MD5
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+ if(conffile->value && strlen(conffile->value) > 33) {
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+ chksum = file_sha256sum_alloc(root_filename);
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+ } else {
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+ chksum = file_md5sum_alloc(root_filename);
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+ }
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+#else
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+ chksum = file_sha256sum_alloc(root_filename);
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+#endif
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+ if (chksum && (ret = strcmp(chksum, conffile->value))) {
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+ opkg_msg(INFO, "Conffile %s:\n\told chk=%s\n\tnew chk=%s\n",
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+ conffile->name, chksum, conffile->value);
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}
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free(root_filename);
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- if (md5sum)
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- free(md5sum);
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+ if (chksum)
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+ free(chksum);
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return ret;
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}
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--- a/libopkg/file_util.c
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+++ b/libopkg/file_util.c
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@@ -26,7 +26,9 @@
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#include "sprintf_alloc.h"
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#include "file_util.h"
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+#ifdef HAVE_MD5
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#include "md5.h"
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+#endif
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#include "libbb/libbb.h"
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#if defined HAVE_SHA256
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@@ -135,6 +137,7 @@ file_mkdir_hier(const char *path, long m
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return make_directory(path, mode, FILEUTILS_RECUR);
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}
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+#ifdef HAVE_MD5
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char *file_md5sum_alloc(const char *file_name)
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{
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static const int md5sum_bin_len = 16;
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@@ -180,6 +183,7 @@ char *file_md5sum_alloc(const char *file
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return md5sum_hex;
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}
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+#endif
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#ifdef HAVE_SHA256
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char *file_sha256sum_alloc(const char *file_name)
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--- a/libopkg/opkg_install.c
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+++ b/libopkg/opkg_install.c
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@@ -1082,7 +1082,7 @@ resolve_conffiles(pkg_t *pkg)
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conffile_list_elt_t *iter;
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conffile_t *cf;
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char *cf_backup;
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- char *md5sum;
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+ char *chksum;
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if (conf->noaction) return 0;
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@@ -1093,7 +1093,7 @@ resolve_conffiles(pkg_t *pkg)
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/* Might need to initialize the md5sum for each conffile */
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if (cf->value == NULL) {
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- cf->value = file_md5sum_alloc(root_filename);
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+ cf->value = file_sha256sum_alloc(root_filename);
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}
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if (!file_exists(root_filename)) {
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@@ -1105,8 +1105,16 @@ resolve_conffiles(pkg_t *pkg)
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if (file_exists(cf_backup)) {
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/* Let's compute md5 to test if files are changed */
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- md5sum = file_md5sum_alloc(cf_backup);
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- if (md5sum && cf->value && strcmp(cf->value,md5sum) != 0 ) {
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+#ifdef HAVE_MD5
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+ if(cf->value && strlen(cf->value) > 33) {
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+ chksum = file_sha256sum_alloc(cf_backup);
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+ } else {
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+ chksum = file_md5sum_alloc(cf_backup);
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+ }
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+#else
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+ chksum = file_sha256sum_alloc(cf_backup);
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+#endif
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+ if (chksum && cf->value && strcmp(cf->value,chksum) != 0 ) {
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if (conf->force_maintainer) {
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opkg_msg(NOTICE, "Conffile %s using maintainer's setting.\n",
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cf_backup);
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@@ -1123,8 +1131,8 @@ resolve_conffiles(pkg_t *pkg)
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}
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}
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unlink(cf_backup);
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- if (md5sum)
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- free(md5sum);
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+ if (chksum)
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+ free(chksum);
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}
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free(cf_backup);
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@@ -1323,6 +1331,7 @@ opkg_install_pkg(pkg_t *pkg, int from_up
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}
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#endif
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+#ifdef HAVE_MD5
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/* Check for md5 values */
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if (pkg->md5sum)
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{
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@@ -1346,6 +1355,7 @@ opkg_install_pkg(pkg_t *pkg, int from_up
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if (file_md5)
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free(file_md5);
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}
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+#endif
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#ifdef HAVE_SHA256
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/* Check for sha256 value */
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--- a/libopkg/Makefile.am
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+++ b/libopkg/Makefile.am
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@@ -25,13 +25,16 @@ opkg_list_sources = conffile.c conffile.
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pkg_src.c pkg_src.h pkg_src_list.c pkg_src_list.h \
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str_list.c str_list.h void_list.c void_list.h \
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active_list.c active_list.h list.h
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-opkg_util_sources = file_util.c file_util.h opkg_message.h opkg_message.c md5.c md5.h \
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+opkg_util_sources = file_util.c file_util.h opkg_message.h opkg_message.c \
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parse_util.c parse_util.h \
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sprintf_alloc.c sprintf_alloc.h \
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xregex.c xregex.h xsystem.c xsystem.h
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if HAVE_PATHFINDER
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opkg_util_sources += opkg_pathfinder.c opkg_pathfinder.h
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endif
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+if HAVE_MD5
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+opkg_util_sources += md5.c md5.h
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+endif
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if HAVE_SHA256
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opkg_util_sources += sha256.c sha256.h
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endif
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--- a/configure.ac
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+++ b/configure.ac
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@@ -68,10 +68,19 @@ AC_ARG_ENABLE(sha256,
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(sha256.{c,h} are GPLv3 licensed) [[default=no]] ]),
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[want_sha256="$enableval"], [want_sha256="no"])
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+AC_ARG_ENABLE(md5,
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+ AC_HELP_STRING([--enable-md5], [Enable md5sum check
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+ (md5.{c,h} are GPLv3 licensed) [[default=no]] ]),
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+ [want_md5="$enableval"], [want_md5="yes"])
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+
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if test "x$want_sha256" = "xyes"; then
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AC_DEFINE(HAVE_SHA256, 1, [Define if you want sha256 support])
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fi
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+if test "x$want_md5" = "xyes"; then
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+ AC_DEFINE(HAVE_MD5, 1, [Define if you want md5 support])
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+fi
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AM_CONDITIONAL(HAVE_SHA256, test "x$want_sha256" = "xyes")
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+AM_CONDITIONAL(HAVE_MD5, test "x$want_md5" = "xyes")
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# check for openssl
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AC_ARG_ENABLE(openssl,
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