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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2016-12-27 09:24:07 +0100
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2017-01-14 18:31:49 +0100
commit50dd36a50ad76dee11edd67e69b5e0da11871fad (patch)
treeaf8f4703888682093d59d4705db028467017caac /libc
parentf21612d0097cde145c6a9a1b3127e99e83100448 (diff)
add secure_getenv() function
Diffstat (limited to 'libc')
-rw-r--r--libc/stdlib/Makefile.in2
-rw-r--r--libc/stdlib/secure_getenv.c8
2 files changed, 9 insertions, 1 deletions
diff --git a/libc/stdlib/Makefile.in b/libc/stdlib/Makefile.in
index f6e471ac5..938f74448 100644
--- a/libc/stdlib/Makefile.in
+++ b/libc/stdlib/Makefile.in
@@ -17,7 +17,7 @@ CSRC-y := \
lldiv.c getpt.c drand48-iter.c jrand48.c \
jrand48_r.c lcong48.c lrand48.c lrand48_r.c mrand48.c mrand48_r.c nrand48.c \
nrand48_r.c rand_r.c srand48.c srand48_r.c seed48.c seed48_r.c \
- a64l.c l64a.c __uc_malloc.c
+ a64l.c l64a.c __uc_malloc.c secure_getenv.c
CSRC-$(UCLIBC_SUSV2_LEGACY) += valloc.c
CSRC-$(UCLIBC_HAS_ADVANCED_REALTIME) += posix_memalign.c
CSRC-$(UCLIBC_HAS_PTY) += grantpt.c unlockpt.c ptsname.c
diff --git a/libc/stdlib/secure_getenv.c b/libc/stdlib/secure_getenv.c
new file mode 100644
index 000000000..41cb622c8
--- /dev/null
+++ b/libc/stdlib/secure_getenv.c
@@ -0,0 +1,8 @@
+
+#include <stdlib.h>
+
+char *secure_getenv(const char *name) {
+ if (issetugid()) return NULL;
+ return getenv(name);
+}
+