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author | Khem Raj <raj.khem@gmail.com> | 2015-10-07 18:56:31 -0700 |
---|---|---|
committer | Joe MacDonald <joe_macdonald@mentor.com> | 2015-10-21 15:59:03 -0400 |
commit | e8557c2d8da74c5e40151afc5cbbb1d9996c72dc (patch) | |
tree | 9670535caa7b69e4bcf621d014affce2fb4ccb4f /meta-networking | |
parent | c0a865d4efe5e5d702f39ac2793ee7a3de19d236 (diff) | |
download | meta-openembedded-contrib-e8557c2d8da74c5e40151afc5cbbb1d9996c72dc.tar.gz |
libnetfilter: Avoid using VLAs
VLAs in composite data types like structures and unions
are not a standard feature of C language, gcc has specific
implementations for but other compilers dont have that done specifically clang, and
the community refuses to implement it since its non standard.
Change-Id: I6ae24adb455bf262fe9406a1c8e3b3a4a0cf77d4
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>
Diffstat (limited to 'meta-networking')
-rw-r--r-- | meta-networking/recipes-filter/libnetfilter/files/replace-VLAs-in-union.patch | 89 | ||||
-rw-r--r-- | meta-networking/recipes-filter/libnetfilter/libnetfilter-conntrack_1.0.4.bb | 4 |
2 files changed, 92 insertions, 1 deletions
diff --git a/meta-networking/recipes-filter/libnetfilter/files/replace-VLAs-in-union.patch b/meta-networking/recipes-filter/libnetfilter/files/replace-VLAs-in-union.patch new file mode 100644 index 0000000000..16e4af405d --- /dev/null +++ b/meta-networking/recipes-filter/libnetfilter/files/replace-VLAs-in-union.patch @@ -0,0 +1,89 @@ +VLAs in structs and unions (non-PODs) is unsupported in non-gcc compilers +therefore convert it to not use VLAs instead use fixed arrays + +Signed-off-by: Khem Raj <raj.khem@gmail.com> +Upstream-Status: Pending +Index: libnetfilter_conntrack-1.0.4/src/conntrack/api.c +=================================================================== +--- libnetfilter_conntrack-1.0.4.orig/src/conntrack/api.c ++++ libnetfilter_conntrack-1.0.4/src/conntrack/api.c +@@ -954,16 +954,15 @@ int nfct_query(struct nfct_handle *h, + const enum nf_conntrack_query qt, + const void *data) + { +- size_t size = 4096; /* enough for now */ + union { +- char buffer[size]; ++ char buffer[4096]; + struct nfnlhdr req; + } u; + + assert(h != NULL); + assert(data != NULL); + +- if (__build_query_ct(h->nfnlssh_ct, qt, data, &u.req, size) == -1) ++ if (__build_query_ct(h->nfnlssh_ct, qt, data, &u.req, 4096) == -1) + return -1; + + return nfnl_query(h->nfnlh, &u.req.nlh); +@@ -986,16 +985,15 @@ int nfct_send(struct nfct_handle *h, + const enum nf_conntrack_query qt, + const void *data) + { +- size_t size = 4096; /* enough for now */ + union { +- char buffer[size]; ++ char buffer[4096]; + struct nfnlhdr req; + } u; + + assert(h != NULL); + assert(data != NULL); + +- if (__build_query_ct(h->nfnlssh_ct, qt, data, &u.req, size) == -1) ++ if (__build_query_ct(h->nfnlssh_ct, qt, data, &u.req, 4096) == -1) + return -1; + + return nfnl_send(h->nfnlh, &u.req.nlh); +Index: libnetfilter_conntrack-1.0.4/src/expect/api.c +=================================================================== +--- libnetfilter_conntrack-1.0.4.orig/src/expect/api.c ++++ libnetfilter_conntrack-1.0.4/src/expect/api.c +@@ -669,16 +669,15 @@ int nfexp_query(struct nfct_handle *h, + const enum nf_conntrack_query qt, + const void *data) + { +- size_t size = 4096; /* enough for now */ + union { +- char buffer[size]; ++ char buffer[4096]; + struct nfnlhdr req; + } u; + + assert(h != NULL); + assert(data != NULL); + +- if (__build_query_exp(h->nfnlssh_exp, qt, data, &u.req, size) == -1) ++ if (__build_query_exp(h->nfnlssh_exp, qt, data, &u.req, 4096) == -1) + return -1; + + return nfnl_query(h->nfnlh, &u.req.nlh); +@@ -701,16 +700,15 @@ int nfexp_send(struct nfct_handle *h, + const enum nf_conntrack_query qt, + const void *data) + { +- size_t size = 4096; /* enough for now */ + union { +- char buffer[size]; ++ char buffer[4096]; + struct nfnlhdr req; + } u; + + assert(h != NULL); + assert(data != NULL); + +- if (__build_query_exp(h->nfnlssh_exp, qt, data, &u.req, size) == -1) ++ if (__build_query_exp(h->nfnlssh_exp, qt, data, &u.req, 4096) == -1) + return -1; + + return nfnl_send(h->nfnlh, &u.req.nlh); diff --git a/meta-networking/recipes-filter/libnetfilter/libnetfilter-conntrack_1.0.4.bb b/meta-networking/recipes-filter/libnetfilter/libnetfilter-conntrack_1.0.4.bb index c1df1cb66a..ecbc86ba71 100644 --- a/meta-networking/recipes-filter/libnetfilter/libnetfilter-conntrack_1.0.4.bb +++ b/meta-networking/recipes-filter/libnetfilter/libnetfilter-conntrack_1.0.4.bb @@ -6,7 +6,9 @@ LICENSE = "GPLv2+" LIC_FILES_CHKSUM = "file://COPYING;md5=8ca43cbc842c2336e835926c2166c28b" DEPENDS = "libnfnetlink libmnl" -SRC_URI = "http://www.netfilter.org/projects/libnetfilter_conntrack/files/libnetfilter_conntrack-${PV}.tar.bz2;name=tar" +SRC_URI = "http://www.netfilter.org/projects/libnetfilter_conntrack/files/libnetfilter_conntrack-${PV}.tar.bz2;name=tar \ + file://replace-VLAs-in-union.patch \ +" SRC_URI[tar.md5sum] = "18cf80c4b339a3285e78822dbd4f08d7" SRC_URI[tar.sha256sum] = "d9ec4a3caf49417f2b0a2d8d44249133e8c3ec78c757b7eb8c273f1cb6929c7d" |