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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:54:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:54:44 +0000 |
commit | 836b47cb7e99a977c5a23b059ca1d0b5065d310e (patch) | |
tree | 1604da8f482d02effa033c94a84be42bc0c848c3 /aclk/aclk_proxy.c | |
parent | Releasing debian version 1.44.3-2. (diff) | |
download | netdata-836b47cb7e99a977c5a23b059ca1d0b5065d310e.tar.xz netdata-836b47cb7e99a977c5a23b059ca1d0b5065d310e.zip |
Merging upstream version 1.46.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'aclk/aclk_proxy.c')
-rw-r--r-- | aclk/aclk_proxy.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/aclk/aclk_proxy.c b/aclk/aclk_proxy.c deleted file mode 100644 index 4af46208f..000000000 --- a/aclk/aclk_proxy.c +++ /dev/null @@ -1,186 +0,0 @@ -#include "aclk_proxy.h" - -#include "daemon/common.h" - -#define ACLK_PROXY_ENV "env" -#define ACLK_PROXY_CONFIG_VAR "proxy" - -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++; - - 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); - netdata_log_error("%s Provided Value:\"%s\"", str, log); - freez(log); -} - -static inline int check_socks_enviroment(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_enviroment(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_enviroment(&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_enviroment(&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; -} |