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@ -1,37 +0,0 @@ |
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diff --git a/src/knot/conf/base.c b/src/knot/conf/base.c
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index 9a0a655..e4721ad 100644
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--- a/src/knot/conf/base.c
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+++ b/src/knot/conf/base.c
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@@ -101,6 +101,10 @@ void conf_refresh_hostname(
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free(conf->hostname); |
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conf->hostname = sockaddr_hostname(); |
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+ if (conf->hostname == NULL) {
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+ // Empty hostname fallback, NULL cannot be passed to strlen!
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+ conf->hostname = strdup("");
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+ }
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} |
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static void init_cache( |
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@@ -206,7 +210,7 @@ int conf_new(
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// Cache the current hostname. |
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if (!(flags & CONF_FNOHOSTNAME)) { |
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- out->hostname = sockaddr_hostname();
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+ conf_refresh_hostname(out);
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} |
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// Initialize cached values. |
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diff --git a/src/knot/modules/dnstap.c b/src/knot/modules/dnstap.c
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index 890663d..b60c1ca 100644
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--- a/src/knot/modules/dnstap.c
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+++ b/src/knot/modules/dnstap.c
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@@ -241,7 +241,7 @@ int dnstap_load(struct query_plan *plan, struct query_module *self,
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} else { |
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ctx->identity = sockaddr_hostname(); |
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} |
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- ctx->identity_len = strlen(ctx->identity);
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+ ctx->identity_len = (ctx->identity != NULL) ? strlen(ctx->identity) : 0;
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// Set version. |
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val = conf_mod_get(self->config, MOD_VERSION, self->id); |