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authorJan Stancek <jstancek@redhat.com>2024-07-12 09:11:14 +0200
committerJarkko Sakkinen <jarkko@kernel.org>2024-09-20 19:49:52 +0300
commit300e6d4116f956b035281ec94297dc4dc8d4e1d3 (patch)
tree7bfa3b220232f522af51f76abc5ca1e46b8acf21 /scripts/ssl-common.h
parent70fd1966c93bf3bfe3fe6d753eb3d83a76597eef (diff)
sign-file,extract-cert: move common SSL helper functions to a header
Couple error handling helpers are repeated in both tools, so move them to a common header. Signed-off-by: Jan Stancek <jstancek@redhat.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Tested-by: R Nageswara Sastry <rnsastry@linux.ibm.com> Reviewed-by: Neal Gompa <neal@gompa.dev> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Diffstat (limited to 'scripts/ssl-common.h')
-rw-r--r--scripts/ssl-common.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/scripts/ssl-common.h b/scripts/ssl-common.h
new file mode 100644
index 000000000000..e6711c75ed91
--- /dev/null
+++ b/scripts/ssl-common.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+/*
+ * SSL helper functions shared by sign-file and extract-cert.
+ */
+
+static void display_openssl_errors(int l)
+{
+ const char *file;
+ char buf[120];
+ int e, line;
+
+ if (ERR_peek_error() == 0)
+ return;
+ fprintf(stderr, "At main.c:%d:\n", l);
+
+ while ((e = ERR_get_error_line(&file, &line))) {
+ ERR_error_string(e, buf);
+ fprintf(stderr, "- SSL %s: %s:%d\n", buf, file, line);
+ }
+}
+
+static void drain_openssl_errors(void)
+{
+ const char *file;
+ int line;
+
+ if (ERR_peek_error() == 0)
+ return;
+ while (ERR_get_error_line(&file, &line)) {}
+}
+
+#define ERR(cond, fmt, ...) \
+ do { \
+ bool __cond = (cond); \
+ display_openssl_errors(__LINE__); \
+ if (__cond) { \
+ errx(1, fmt, ## __VA_ARGS__); \
+ } \
+ } while (0)