add proxy read from env option

include/sentry.h

@@ -1013,6 +1013,17 @@ SENTRY_API void sentry_options_set_http_proxy_n(
 SENTRY_API const char *sentry_options_get_http_proxy(
     const sentry_options_t *opts);
 
+/**
+ * Sets whether to read the proxy settings from the environment.
+ */
+SENTRY_API void sentry_options_set_read_proxy_from_environment(
+    sentry_options_t *opts, int val);
+/**
+ * Returns whether to read the proxy settings from the environment.
+ */
+SENTRY_API int sentry_options_get_read_proxy_from_environment(
+    const sentry_options_t *opts);
+
 /**
  * Configures the path to a file containing ssl certificates for
  * verification.

src/sentry_core.c

@@ -145,6 +145,10 @@ sentry_init(sentry_options_t *options)
         }
     }
 
+    if (options->read_proxy_from_environment) {
+        sentry__set_proxy_from_environment(options);
+    }
+
     uint64_t last_crash = 0;
 
     // and then we will start the backend, since it requires a valid run

src/sentry_options.c

@@ -34,7 +34,6 @@ sentry_options_new(void)
     opts->release = sentry__string_clone(getenv("SENTRY_RELEASE"));
     opts->environment = sentry__string_clone(getenv("SENTRY_ENVIRONMENT"));
 #endif
-    sentry_options_set_proxy(opts, getenv("http_proxy"));
     if (!opts->environment) {
         opts->environment = sentry__string_clone("production");
     }
@@ -277,6 +276,28 @@ sentry_options_get_http_proxy(const sentry_options_t *opts)
     return sentry_options_get_proxy(opts);
 }
 
+void
+sentry_options_set_read_proxy_from_environment(sentry_options_t *opts, int val)
+{
+    opts->read_proxy_from_environment = !!val;
+}
+
+int
+sentry_options_get_read_proxy_from_environment(const sentry_options_t *opts)
+{
+    return opts->read_proxy_from_environment;
+}
+
+void
+sentry__set_proxy_from_environment(sentry_options_t *opts)
+{
+    sentry_options_set_proxy(opts, getenv("http_proxy"));
+    const char *https_proxy = getenv("https_proxy");
+    if (https_proxy) {
+        sentry_options_set_proxy(opts, https_proxy);
+    }
+}
+
 void
 sentry_options_set_ca_certs(sentry_options_t *opts, const char *path)
 {

src/sentry_options.h

@@ -49,6 +49,7 @@ typedef struct sentry_options_s {
     bool require_user_consent;
     bool symbolize_stacktraces;
     bool system_crash_reporter_enabled;
+    bool read_proxy_from_environment;
 
     sentry_attachment_t *attachments;
     sentry_run_t *run;
@@ -79,4 +80,8 @@ typedef struct sentry_options_s {
  */
 sentry_options_t *sentry__options_incref(sentry_options_t *options);
 
+/**
+ * Sets the proxy value by reading it from the environment.
+ */
+void sentry__set_proxy_from_environment(sentry_options_t *opts);
 #endif