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50 lines
1.5 KiB
Diff
50 lines
1.5 KiB
Diff
This patch disable supplementary groups handling in id with uClibc versions
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prior to v0.9.30, which are lacking the 'getgrouplist' function.
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Signed-off-by: Nicolas Thill <nico@openwrt.org>
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--- a/coreutils/id.c
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+++ b/coreutils/id.c
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@@ -63,10 +63,12 @@
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/* This is a NOEXEC applet. Be very careful! */
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+#define HAVE_GETGROUPLIST 1
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+
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#if !ENABLE_USE_BB_PWD_GRP
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#if defined(__UCLIBC_MAJOR__) && (__UCLIBC_MAJOR__ == 0)
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#if (__UCLIBC_MINOR__ < 9) || (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ < 30)
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-#error "Sorry, you need at least uClibc version 0.9.30 for id applet to build"
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+#undef HAVE_GETGROUPLIST
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#endif
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#endif
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#endif
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@@ -128,7 +130,11 @@ static int get_groups(const char *userna
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/* If the user is a member of more than
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* *n groups, then -1 is returned. Otherwise >= 0.
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* (and no defined way of detecting errors?!) */
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+#if HAVE_GETGROUPLIST
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m = getgrouplist(username, rgid, groups, n);
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+#else
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+ *n = -1;
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+#endif
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/* I guess *n < 0 might indicate error. Anyway,
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* malloc'ing -1 bytes won't be good, so: */
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if (*n < 0)
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@@ -210,6 +216,7 @@ int id_main(int argc UNUSED_PARAM, char
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if (egid != rgid)
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status |= print_group(egid, " ");
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}
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+#if HAVE_GETGROUPLIST
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/* We are supplying largish buffer, trying
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* to not run get_groups() twice. That might be slow
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* ("user database in remote SQL server" case) */
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@@ -236,6 +243,7 @@ int id_main(int argc UNUSED_PARAM, char
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}
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if (ENABLE_FEATURE_CLEAN_UP)
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free(groups);
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+#endif
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#if ENABLE_SELINUX
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if (is_selinux_enabled()) {
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if (getcon(&scontext) == 0)
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