diff options
Diffstat (limited to 'aclk/legacy/aclk_common.c')
| -rw-r--r-- | aclk/legacy/aclk_common.c | 213 |
1 files changed, 3 insertions, 210 deletions
diff --git a/aclk/legacy/aclk_common.c b/aclk/legacy/aclk_common.c index 96f95545..7f8368e4 100644 --- a/aclk/legacy/aclk_common.c +++ b/aclk/legacy/aclk_common.c @@ -1,201 +1,18 @@ #include "aclk_common.h" -#include "../../daemon/common.h" +#include "daemon/common.h" #ifdef ENABLE_ACLK #include <libwebsockets.h> #endif -netdata_mutex_t aclk_shared_state_mutex = NETDATA_MUTEX_INITIALIZER; +netdata_mutex_t legacy_aclk_shared_state_mutex = NETDATA_MUTEX_INITIALIZER; -int aclk_disable_runtime = 0; -int aclk_kill_link = 0; - -struct aclk_shared_state aclk_shared_state = { +struct legacy_aclk_shared_state legacy_aclk_shared_state = { .version_neg = 0, .version_neg_wait_till = 0 }; -struct { - ACLK_PROXY_TYPE type; - const char *url_str; -} supported_proxy_types[] = { - { .type = PROXY_TYPE_SOCKS5, .url_str = "socks5" ACLK_PROXY_PROTO_ADDR_SEPARATOR }, - { .type = PROXY_TYPE_SOCKS5, .url_str = "socks5h" ACLK_PROXY_PROTO_ADDR_SEPARATOR }, - { .type = PROXY_TYPE_HTTP, .url_str = "http" ACLK_PROXY_PROTO_ADDR_SEPARATOR }, - { .type = PROXY_TYPE_UNKNOWN, .url_str = NULL }, -}; - -const char *aclk_proxy_type_to_s(ACLK_PROXY_TYPE *type) -{ - switch (*type) { - case PROXY_DISABLED: - return "disabled"; - case PROXY_TYPE_HTTP: - return "HTTP"; - case PROXY_TYPE_SOCKS5: - return "SOCKS"; - default: - return "Unknown"; - } -} - -static inline ACLK_PROXY_TYPE aclk_find_proxy(const char *string) -{ - int i = 0; - while (supported_proxy_types[i].url_str) { - if (!strncmp(supported_proxy_types[i].url_str, string, strlen(supported_proxy_types[i].url_str))) - return supported_proxy_types[i].type; - i++; - } - return PROXY_TYPE_UNKNOWN; -} - -ACLK_PROXY_TYPE aclk_verify_proxy(const char *string) -{ - if (!string) - return PROXY_TYPE_UNKNOWN; - - while (*string == 0x20 && *string!=0) // Help coverity (compiler will remove) - string++; - - if (!*string) - return PROXY_TYPE_UNKNOWN; - - return aclk_find_proxy(string); -} - -// helper function to censor user&password -// for logging purposes -void safe_log_proxy_censor(char *proxy) -{ - size_t length = strlen(proxy); - char *auth = proxy + length - 1; - char *cur; - - while ((auth >= proxy) && (*auth != '@')) - auth--; - - //if not found or @ is first char do nothing - if (auth <= proxy) - return; - - cur = strstr(proxy, ACLK_PROXY_PROTO_ADDR_SEPARATOR); - if (!cur) - cur = proxy; - else - cur += strlen(ACLK_PROXY_PROTO_ADDR_SEPARATOR); - - while (cur < auth) { - *cur = 'X'; - cur++; - } -} - -static inline void safe_log_proxy_error(char *str, const char *proxy) -{ - char *log = strdupz(proxy); - safe_log_proxy_censor(log); - error("%s Provided Value:\"%s\"", str, log); - freez(log); -} - -static inline int check_socks_environment(const char **proxy) -{ - char *tmp = getenv("socks_proxy"); - - if (!tmp) - return 1; - - if (aclk_verify_proxy(tmp) == PROXY_TYPE_SOCKS5) { - *proxy = tmp; - return 0; - } - - safe_log_proxy_error( - "Environment var \"socks_proxy\" defined but of unknown format. Supported syntax: \"socks5[h]://[user:pass@]host:ip\".", - tmp); - return 1; -} - -static inline int check_http_environment(const char **proxy) -{ - char *tmp = getenv("http_proxy"); - - if (!tmp) - return 1; - - if (aclk_verify_proxy(tmp) == PROXY_TYPE_HTTP) { - *proxy = tmp; - return 0; - } - - safe_log_proxy_error( - "Environment var \"http_proxy\" defined but of unknown format. Supported syntax: \"http[s]://[user:pass@]host:ip\".", - tmp); - return 1; -} - -const char *aclk_lws_wss_get_proxy_setting(ACLK_PROXY_TYPE *type) -{ - const char *proxy = config_get(CONFIG_SECTION_CLOUD, ACLK_PROXY_CONFIG_VAR, ACLK_PROXY_ENV); - *type = PROXY_DISABLED; - - if (strcmp(proxy, "none") == 0) - return proxy; - - if (strcmp(proxy, ACLK_PROXY_ENV) == 0) { - if (check_socks_environment(&proxy) == 0) { -#ifdef LWS_WITH_SOCKS5 - *type = PROXY_TYPE_SOCKS5; - return proxy; -#else - safe_log_proxy_error("socks_proxy environment variable set to use SOCKS5 proxy " - "but Libwebsockets used doesn't have SOCKS5 support built in. " - "Ignoring and checking for other options.", - proxy); -#endif - } - if (check_http_environment(&proxy) == 0) - *type = PROXY_TYPE_HTTP; - return proxy; - } - - *type = aclk_verify_proxy(proxy); -#ifndef LWS_WITH_SOCKS5 - if (*type == PROXY_TYPE_SOCKS5) { - safe_log_proxy_error( - "Config var \"" ACLK_PROXY_CONFIG_VAR - "\" set to use SOCKS5 proxy but Libwebsockets used is built without support for SOCKS proxy. ACLK will be disabled.", - proxy); - } -#endif - if (*type == PROXY_TYPE_UNKNOWN) { - *type = PROXY_DISABLED; - safe_log_proxy_error( - "Config var \"" ACLK_PROXY_CONFIG_VAR - "\" defined but of unknown format. Supported syntax: \"socks5[h]://[user:pass@]host:ip\".", - proxy); - } - - return proxy; -} - -// helper function to read settings only once (static) -// as claiming, challenge/response and ACLK -// read the same thing, no need to parse again -const char *aclk_get_proxy(ACLK_PROXY_TYPE *type) -{ - static const char *proxy = NULL; - static ACLK_PROXY_TYPE proxy_type = PROXY_NOT_SET; - - if (proxy_type == PROXY_NOT_SET) - proxy = aclk_lws_wss_get_proxy_setting(&proxy_type); - - *type = proxy_type; - return proxy; -} - int aclk_decode_base_url(char *url, char **aclk_hostname, int *aclk_port) { int pos = 0; @@ -234,27 +51,3 @@ int aclk_decode_base_url(char *url, char **aclk_hostname, int *aclk_port) info("Setting ACLK target host=%s port=%d from %s", *aclk_hostname, *aclk_port, url); return 0; } - -struct label *add_aclk_host_labels(struct label *label) { -#ifdef ENABLE_ACLK - ACLK_PROXY_TYPE aclk_proxy; - char *proxy_str; - aclk_get_proxy(&aclk_proxy); - - switch(aclk_proxy) { - case PROXY_TYPE_SOCKS5: - proxy_str = "SOCKS5"; - break; - case PROXY_TYPE_HTTP: - proxy_str = "HTTP"; - break; - default: - proxy_str = "none"; - break; - } - label = add_label_to_list(label, "_aclk_impl", "Legacy", LABEL_SOURCE_AUTO); - return add_label_to_list(label, "_aclk_proxy", proxy_str, LABEL_SOURCE_AUTO); -#else - return label; -#endif -} |