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Diffstat (limited to 'src/sbearssl/sbearssl_ta_readdir.c')
-rw-r--r--src/sbearssl/sbearssl_ta_readdir.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/sbearssl/sbearssl_ta_readdir.c b/src/sbearssl/sbearssl_ta_readdir.c
new file mode 100644
index 0000000..9821dd2
--- /dev/null
+++ b/src/sbearssl/sbearssl_ta_readdir.c
@@ -0,0 +1,61 @@
+/* ISC license. */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/genalloc.h>
+#include <skalibs/direntry.h>
+#include <skalibs/djbunix.h>
+#include <s6-networking/sbearssl.h>
+
+int sbearssl_ta_readdir (char const *dirfn, genalloc *taga, stralloc *tasa)
+{
+ stralloc certsa = STRALLOC_ZERO ;
+ genalloc certga = GENALLOC_ZERO ;
+ size_t tasabase = tasa->len ;
+ size_t tagabase = genalloc_len(sbearssl_ta, taga) ;
+ size_t dirfnlen = str_len(dirfn) ;
+ int tasawasnull = !tasa->s ;
+ int tagawasnull = !genalloc_s(sbearssl_ta, taga) ;
+ DIR *dir = opendir(dirfn) ;
+ if (!dir) return -1 ;
+
+ for (;;)
+ {
+ direntry *d ;
+ errno = 0 ;
+ d = readdir(dir) ;
+ if (!d) break ;
+ if (d->d_name[0] == '.') continue ;
+ {
+ size_t dlen = str_len(d->d_name) ;
+ char fn[dirfnlen + dlen + 2] ;
+ byte_copy(fn, dirfnlen, dirfn) ;
+ fn[dirfnlen] = '/' ;
+ byte_copy(fn + dirfnlen + 1, dlen, d->d_name) ;
+ fn[dirfnlen + 1 + dlen] = 0 ;
+ sbearssl_ta_readfile_internal(fn, taga, tasa, &certga, &certsa) ;
+ }
+ }
+ if (errno) goto fail ;
+
+ dir_close(dir) ;
+ genalloc_free(sbearssl_cert, &certga) ;
+ stralloc_free(&certsa) ;
+ return 0 ;
+
+ fail:
+ {
+ int e = errno ;
+ dir_close(dir) ;
+ genalloc_free(sbearssl_cert, &certga) ;
+ stralloc_free(&certsa) ;
+ if (tagawasnull) genalloc_free(sbearssl_ta, taga) ;
+ else genalloc_setlen(sbearssl_ta, taga, tagabase) ;
+ if (tasawasnull) stralloc_free(tasa) ;
+ else tasa->len = tasabase ;
+ errno = e ;
+ }
+ return -1 ;
+}