On systems without 'setfsuid', use 'setreuid' instead. The patch originates from the Debian project for GNU/Hurd. Authors: Steve Langasek Upstream status: A ticket was opened to request apply the patch, ticket: 'https://fedorahosted.org/linux-pam/ticket/64'. --- Linux-PAM-1.2.1/libpam/pam_modutil_priv.c 2015-03-24 06:02:32.000000000 -0600 +++ pam_modutil_priv-mod.c 2016-09-20 13:36:53.150663205 -0500 @@ -14,7 +14,9 @@ #include #include #include +#ifdef HAVE_SYS_FSUID_H #include +#endif /* HAVE_SYS_FSUID_H */ /* * Two setfsuid() calls in a row are necessary to check @@ -22,17 +24,55 @@ */ static int change_uid(uid_t uid, uid_t *save) { +#ifdef HAVE_SYS_FSUID_H uid_t tmp = setfsuid(uid); if (save) *save = tmp; return (uid_t) setfsuid(uid) == uid ? 0 : -1; +#else + uid_t euid = geteuid(); + uid_t ruid = getuid(); + if (save) + *save = ruid; + if (ruid == uid && uid != 0) + if (setreuid(euid, uid)) + return -1; + else { + setreuid(0, -1); + if (setreuid(-1, uid)) { + setreuid(-1, 0); + setreuid(0, -1); + if (setreuid(-1, uid)) + return -1; + } + } +#endif } static int change_gid(gid_t gid, gid_t *save) { +#ifdef HAVE_SYS_FSUID_H gid_t tmp = setfsgid(gid); if (save) *save = tmp; return (gid_t) setfsgid(gid) == gid ? 0 : -1; +#else + gid_t egid = getegid(); + gid_t rgid = getgid(); + if (save) + *save = rgid; + if (rgid == gid) + if (setregid(egid, gid)) + return -1; + else { + setregid(0, -1); + if (setregid(-1, gid)) { + setregid(-1, 0); + setregid(0, -1); + if (setregid(-1, gid)) + return -1; + } + } +#endif } static int cleanup(struct pam_modutil_privs *p) alue='author'>author
path: root/tests/lzlib.scm
AgeCommit message (Expand)Author
2020-01-16lzlib: Define 'dictionary-size+match-length-limit'....* guix/lzlib.scm (%compression-levels): Splice the rest of each element. (dictionary-size+match-length-limit): New procedure. (make-lzip-output-port, make-lzip-input-port/compressed): Use it. * tests/lzlib.scm ("Bytevector of size relative to Lzip internal buffers (2 * dictionary)"): Use 'dictionary-size+match-length-limit' instead of 'assoc-ref'. Ludovic Courtès
2019-12-01tests: lzlib: Do not fail if lzlib in not available....* tests/lzlib.scm: Use test-assert* for all test cases, so that there are no failures if lzlib is unavailable. Mathieu Othacehe
2019-05-27lzlib: Add 'make-lzip-input-port/compressed'....* guix/lzlib.scm (lzwrite!, make-lzip-input-port/compressed): New procedures. * tests/lzlib.scm ("make-lzip-input-port/compressed"): New test. * guix/tests.scm (%seed): Export. Ludovic Courtès
2019-05-06Add (guix lzlib)....* guix/lzlib.scm, tests/lzlib.scm: New files. * Makefile.am (MODULES): Add guix/lzlib.scm. (SCM_TESTS): Add tests/lzlib.scm. * m4/guix.m4 (GUIX_LIBLZ_LIBDIR): New macro. * configure.ac (LIBLZ_LIBDIR): Use it. Define and substitute 'LIBLZ'. * guix/config.scm.in (%liblz): New variable. * guix/self.scm (make-config.scm): Add TODO comment. Co-authored-by: Ludovic Courtès <ludo@gnu.org> Pierre Neidhardt