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) '>log msg
path: root/tests/guix-build.sh
AgeCommit message (Expand)Author
2020-10-20packages: Better preserve object identity when rewriting....Ludovic Courtès
2020-10-15ui: Only suggest modules that export the unbound variable identifier....Ludovic Courtès
2020-09-28tests: Simplify shell exit status negation;...Eric Bavier
2020-09-27packages: 'package-input-rewriting/spec' can rewrite implicit dependencies....Ludovic Courtès
2020-04-11gnu: commencement: Memoize packages as a function of the system....Ludovic Courtès
2020-03-05guix build: Allow non-package objects in manifest....Ludovic Courtès
2020-02-14guix build: Add '--manifest' option....Marius Bakke
2019-11-17guix build: Handle "guix build /….drv" correctly for non-existent derivations....Ludovic Courtès
2019-11-17tests: Test "guix build /gnu/store/….drv"....Ludovic Courtès
2019-11-07gnu: commencement: Ensure 'gnu-make-final' refers to the native 'pkg-config'....Ludovic Courtès
2019-07-20ui: 'warn-about-load-error' provides hints for unbound variables....Ludovic Courtès
2019-07-20ui: 'warn-about-load-error' warns about file/module name mismatches....Ludovic Courtès
2019-04-19guix build: Accept multiple '-s' options....Ludovic Courtès
2019-04-15guix build: Fix relative file name canonicalization for '--root'....Ludovic Courtès