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-rw-r--r--http.c1003
1 files changed, 626 insertions, 377 deletions
diff --git a/http.c b/http.c
index b4bfbceaeb..dbe4d29ef7 100644
--- a/http.c
+++ b/http.c
@@ -1,4 +1,6 @@
#include "git-compat-util.h"
+#include "git-curl-compat.h"
+#include "hex.h"
#include "http.h"
#include "config.h"
#include "pack.h"
@@ -18,29 +20,17 @@
static struct trace_key trace_curl = TRACE_KEY_INIT(CURL);
static int trace_curl_data = 1;
-static struct string_list cookies_to_redact = STRING_LIST_INIT_DUP;
-#if LIBCURL_VERSION_NUM >= 0x070a08
+static int trace_curl_redact = 1;
long int git_curl_ipresolve = CURL_IPRESOLVE_WHATEVER;
-#else
-long int git_curl_ipresolve;
-#endif
int active_requests;
int http_is_verbose;
ssize_t http_post_buffer = 16 * LARGE_PACKET_MAX;
-#if LIBCURL_VERSION_NUM >= 0x070a06
-#define LIBCURL_CAN_HANDLE_AUTH_ANY
-#endif
-
static int min_curl_sessions = 1;
static int curl_session_count;
-#ifdef USE_CURL_MULTI
static int max_requests = -1;
static CURLM *curlm;
-#endif
-#ifndef NO_CURL_EASY_DUPHANDLE
static CURL *curl_default;
-#endif
#define PREV_BUF_SIZE 4096
@@ -48,6 +38,7 @@ char curl_errorstr[CURL_ERROR_SIZE];
static int curl_ssl_verify = -1;
static int curl_ssl_try;
+static const char *curl_http_version = NULL;
static const char *ssl_cert;
static const char *ssl_cipherlist;
static const char *ssl_version;
@@ -58,25 +49,19 @@ static struct {
{ "sslv2", CURL_SSLVERSION_SSLv2 },
{ "sslv3", CURL_SSLVERSION_SSLv3 },
{ "tlsv1", CURL_SSLVERSION_TLSv1 },
-#if LIBCURL_VERSION_NUM >= 0x072200
+#ifdef GIT_CURL_HAVE_CURL_SSLVERSION_TLSv1_0
{ "tlsv1.0", CURL_SSLVERSION_TLSv1_0 },
{ "tlsv1.1", CURL_SSLVERSION_TLSv1_1 },
{ "tlsv1.2", CURL_SSLVERSION_TLSv1_2 },
#endif
-#if LIBCURL_VERSION_NUM >= 0x073400
+#ifdef GIT_CURL_HAVE_CURL_SSLVERSION_TLSv1_3
{ "tlsv1.3", CURL_SSLVERSION_TLSv1_3 },
#endif
};
-#if LIBCURL_VERSION_NUM >= 0x070903
static const char *ssl_key;
-#endif
-#if LIBCURL_VERSION_NUM >= 0x070908
static const char *ssl_capath;
-#endif
-#if LIBCURL_VERSION_NUM >= 0x071304
static const char *curl_no_proxy;
-#endif
-#if LIBCURL_VERSION_NUM >= 0x072c00
+#ifdef GIT_CURL_HAVE_CURLOPT_PINNEDPUBLICKEY
static const char *ssl_pinnedkey;
#endif
static const char *ssl_cainfo;
@@ -85,6 +70,13 @@ static long curl_low_speed_time = -1;
static int curl_ftp_no_epsv;
static const char *curl_http_proxy;
static const char *http_proxy_authmethod;
+
+static const char *http_proxy_ssl_cert;
+static const char *http_proxy_ssl_key;
+static const char *http_proxy_ssl_ca_info;
+static struct credential proxy_cert_auth = CREDENTIAL_INIT;
+static int proxy_ssl_cert_password_required;
+
static struct {
const char *name;
long curlauth_param;
@@ -93,9 +85,7 @@ static struct {
{ "digest", CURLAUTH_DIGEST },
{ "negotiate", CURLAUTH_GSSNEGOTIATE },
{ "ntlm", CURLAUTH_NTLM },
-#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
{ "anyauth", CURLAUTH_ANY },
-#endif
/*
* CURLAUTH_DIGEST_IE has no corresponding command-line option in
* curl(1) and is not included in CURLAUTH_ANY, so we leave it out
@@ -125,36 +115,36 @@ static int curl_empty_auth = -1;
enum http_follow_config http_follow_config = HTTP_FOLLOW_INITIAL;
-#if LIBCURL_VERSION_NUM >= 0x071700
-/* Use CURLOPT_KEYPASSWD as is */
-#elif LIBCURL_VERSION_NUM >= 0x070903
-#define CURLOPT_KEYPASSWD CURLOPT_SSLKEYPASSWD
-#else
-#define CURLOPT_KEYPASSWD CURLOPT_SSLCERTPASSWD
-#endif
-
static struct credential cert_auth = CREDENTIAL_INIT;
static int ssl_cert_password_required;
-#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
static unsigned long http_auth_methods = CURLAUTH_ANY;
static int http_auth_methods_restricted;
/* Modes for which empty_auth cannot actually help us. */
static unsigned long empty_auth_useless =
CURLAUTH_BASIC
-#ifdef CURLAUTH_DIGEST_IE
| CURLAUTH_DIGEST_IE
-#endif
| CURLAUTH_DIGEST;
-#endif
static struct curl_slist *pragma_header;
static struct curl_slist *no_pragma_header;
-static struct curl_slist *extra_http_headers;
+static struct string_list extra_http_headers = STRING_LIST_INIT_DUP;
+
+static struct curl_slist *host_resolutions;
static struct active_request_slot *active_queue_head;
static char *cached_accept_language;
+static char *http_ssl_backend;
+
+static int http_schannel_check_revoke = 1;
+/*
+ * With the backend being set to `schannel`, setting sslCAinfo would override
+ * the Certificate Store in cURL v7.60.0 and later, which is not what we want
+ * by default.
+ */
+static int http_schannel_use_ssl_cainfo;
+
size_t fread_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_)
{
size_t size = eltsize * nmemb;
@@ -165,27 +155,23 @@ size_t fread_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_)
memcpy(ptr, buffer->buf.buf + buffer->posn, size);
buffer->posn += size;
- return size;
+ return size / eltsize;
}
-#ifndef NO_CURL_IOCTL
-curlioerr ioctl_buffer(CURL *handle, int cmd, void *clientp)
+int seek_buffer(void *clientp, curl_off_t offset, int origin)
{
struct buffer *buffer = clientp;
- switch (cmd) {
- case CURLIOCMD_NOP:
- return CURLIOE_OK;
-
- case CURLIOCMD_RESTARTREAD:
- buffer->posn = 0;
- return CURLIOE_OK;
-
- default:
- return CURLIOE_UNKNOWNCMD;
+ if (origin != SEEK_SET)
+ BUG("seek_buffer only handles SEEK_SET");
+ if (offset < 0 || offset >= buffer->buf.len) {
+ error("curl seek would be outside of buffer");
+ return CURL_SEEKFUNC_FAIL;
}
+
+ buffer->posn = offset;
+ return CURL_SEEKFUNC_OK;
}
-#endif
size_t fwrite_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_)
{
@@ -193,12 +179,121 @@ size_t fwrite_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_)
struct strbuf *buffer = buffer_;
strbuf_add(buffer, ptr, size);
+ return nmemb;
+}
+
+/*
+ * A folded header continuation line starts with any number of spaces or
+ * horizontal tab characters (SP or HTAB) as per RFC 7230 section 3.2.
+ * It is not a continuation line if the line starts with any other character.
+ */
+static inline int is_hdr_continuation(const char *ptr, const size_t size)
+{
+ return size && (*ptr == ' ' || *ptr == '\t');
+}
+
+static size_t fwrite_wwwauth(char *ptr, size_t eltsize, size_t nmemb, void *p)
+{
+ size_t size = eltsize * nmemb;
+ struct strvec *values = &http_auth.wwwauth_headers;
+ struct strbuf buf = STRBUF_INIT;
+ const char *val;
+ size_t val_len;
+
+ /*
+ * Header lines may not come NULL-terminated from libcurl so we must
+ * limit all scans to the maximum length of the header line, or leverage
+ * strbufs for all operations.
+ *
+ * In addition, it is possible that header values can be split over
+ * multiple lines as per RFC 7230. 'Line folding' has been deprecated
+ * but older servers may still emit them. A continuation header field
+ * value is identified as starting with a space or horizontal tab.
+ *
+ * The formal definition of a header field as given in RFC 7230 is:
+ *
+ * header-field = field-name ":" OWS field-value OWS
+ *
+ * field-name = token
+ * field-value = *( field-content / obs-fold )
+ * field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
+ * field-vchar = VCHAR / obs-text
+ *
+ * obs-fold = CRLF 1*( SP / HTAB )
+ * ; obsolete line folding
+ * ; see Section 3.2.4
+ */
+
+ /* Start of a new WWW-Authenticate header */
+ if (skip_iprefix_mem(ptr, size, "www-authenticate:", &val, &val_len)) {
+ strbuf_add(&buf, val, val_len);
+
+ /*
+ * Strip the CRLF that should be present at the end of each
+ * field as well as any trailing or leading whitespace from the
+ * value.
+ */
+ strbuf_trim(&buf);
+
+ strvec_push(values, buf.buf);
+ http_auth.header_is_last_match = 1;
+ goto exit;
+ }
+
+ /*
+ * This line could be a continuation of the previously matched header
+ * field. If this is the case then we should append this value to the
+ * end of the previously consumed value.
+ */
+ if (http_auth.header_is_last_match && is_hdr_continuation(ptr, size)) {
+ /*
+ * Trim the CRLF and any leading or trailing from this line.
+ */
+ strbuf_add(&buf, ptr, size);
+ strbuf_trim(&buf);
+
+ /*
+ * At this point we should always have at least one existing
+ * value, even if it is empty. Do not bother appending the new
+ * value if this continuation header is itself empty.
+ */
+ if (!values->nr) {
+ BUG("should have at least one existing header value");
+ } else if (buf.len) {
+ char *prev = xstrdup(values->v[values->nr - 1]);
+
+ /* Join two non-empty values with a single space. */
+ const char *const sp = *prev ? " " : "";
+
+ strvec_pop(values);
+ strvec_pushf(values, "%s%s%s", prev, sp, buf.buf);
+ free(prev);
+ }
+
+ goto exit;
+ }
+
+ /* Not a continuation of a previously matched auth header line. */
+ http_auth.header_is_last_match = 0;
+
+ /*
+ * If this is a HTTP status line and not a header field, this signals
+ * a different HTTP response. libcurl writes all the output of all
+ * response headers of all responses, including redirects.
+ * We only care about the last HTTP request response's headers so clear
+ * the existing array.
+ */
+ if (skip_iprefix_mem(ptr, size, "http/", &val, &val_len))
+ strvec_clear(values);
+
+exit:
+ strbuf_release(&buf);
return size;
}
size_t fwrite_null(char *ptr, size_t eltsize, size_t nmemb, void *strbuf)
{
- return eltsize * nmemb;
+ return nmemb;
}
static void closedown_active_slot(struct active_request_slot *slot)
@@ -212,37 +307,30 @@ static void finish_active_slot(struct active_request_slot *slot)
closedown_active_slot(slot);
curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE, &slot->http_code);
- if (slot->finished != NULL)
+ if (slot->finished)
(*slot->finished) = 1;
/* Store slot results so they can be read after the slot is reused */
- if (slot->results != NULL) {
+ if (slot->results) {
slot->results->curl_result = slot->curl_result;
slot->results->http_code = slot->http_code;
-#if LIBCURL_VERSION_NUM >= 0x070a08
curl_easy_getinfo(slot->curl, CURLINFO_HTTPAUTH_AVAIL,
&slot->results->auth_avail);
-#else
- slot->results->auth_avail = 0;
-#endif
curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CONNECTCODE,
&slot->results->http_connectcode);
}
/* Run callback if appropriate */
- if (slot->callback_func != NULL)
+ if (slot->callback_func)
slot->callback_func(slot->callback_data);
}
static void xmulti_remove_handle(struct active_request_slot *slot)
{
-#ifdef USE_CURL_MULTI
curl_multi_remove_handle(curlm, slot->curl);
-#endif
}
-#ifdef USE_CURL_MULTI
static void process_curl_messages(void)
{
int num_messages;
@@ -256,7 +344,7 @@ static void process_curl_messages(void)
while (slot != NULL &&
slot->curl != curl_message->easy_handle)
slot = slot->next;
- if (slot != NULL) {
+ if (slot) {
xmulti_remove_handle(slot);
slot->curl_result = curl_result;
finish_active_slot(slot);
@@ -270,10 +358,12 @@ static void process_curl_messages(void)
curl_message = curl_multi_info_read(curlm, &num_messages);
}
}
-#endif
static int http_options(const char *var, const char *value, void *cb)
{
+ if (!strcmp("http.version", var)) {
+ return git_config_string(&curl_http_version, var, value);
+ }
if (!strcmp("http.sslverify", var)) {
curl_ssl_verify = git_config_bool(var, value);
return 0;
@@ -284,14 +374,10 @@ static int http_options(const char *var, const char *value, void *cb)
return git_config_string(&ssl_version, var, value);
if (!strcmp("http.sslcert", var))
return git_config_pathname(&ssl_cert, var, value);
-#if LIBCURL_VERSION_NUM >= 0x070903
if (!strcmp("http.sslkey", var))
return git_config_pathname(&ssl_key, var, value);
-#endif
-#if LIBCURL_VERSION_NUM >= 0x070908
if (!strcmp("http.sslcapath", var))
return git_config_pathname(&ssl_capath, var, value);
-#endif
if (!strcmp("http.sslcainfo", var))
return git_config_pathname(&ssl_cainfo, var, value);
if (!strcmp("http.sslcertpasswordprotected", var)) {
@@ -302,20 +388,32 @@ static int http_options(const char *var, const char *value, void *cb)
curl_ssl_try = git_config_bool(var, value);
return 0;
}
+ if (!strcmp("http.sslbackend", var)) {
+ free(http_ssl_backend);
+ http_ssl_backend = xstrdup_or_null(value);
+ return 0;
+ }
+
+ if (!strcmp("http.schannelcheckrevoke", var)) {
+ http_schannel_check_revoke = git_config_bool(var, value);
+ return 0;
+ }
+
+ if (!strcmp("http.schannelusesslcainfo", var)) {
+ http_schannel_use_ssl_cainfo = git_config_bool(var, value);
+ return 0;
+ }
+
if (!strcmp("http.minsessions", var)) {
min_curl_sessions = git_config_int(var, value);
-#ifndef USE_CURL_MULTI
if (min_curl_sessions > 1)
min_curl_sessions = 1;
-#endif
return 0;
}
-#ifdef USE_CURL_MULTI
if (!strcmp("http.maxrequests", var)) {
max_requests = git_config_int(var, value);
return 0;
}
-#endif
if (!strcmp("http.lowspeedlimit", var)) {
curl_low_speed_limit = (long)git_config_int(var, value);
return 0;
@@ -335,6 +433,20 @@ static int http_options(const char *var, const char *value, void *cb)
if (!strcmp("http.proxyauthmethod", var))
return git_config_string(&http_proxy_authmethod, var, value);
+ if (!strcmp("http.proxysslcert", var))
+ return git_config_string(&http_proxy_ssl_cert, var, value);
+
+ if (!strcmp("http.proxysslkey", var))
+ return git_config_string(&http_proxy_ssl_key, var, value);
+
+ if (!strcmp("http.proxysslcainfo", var))
+ return git_config_string(&http_proxy_ssl_ca_info, var, value);
+
+ if (!strcmp("http.proxysslcertpasswordprotected", var)) {
+ proxy_ssl_cert_password_required = git_config_bool(var, value);
+ return 0;
+ }
+
if (!strcmp("http.cookiefile", var))
return git_config_pathname(&curl_cookie_file, var, value);
if (!strcmp("http.savecookies", var)) {
@@ -345,7 +457,7 @@ static int http_options(const char *var, const char *value, void *cb)
if (!strcmp("http.postbuffer", var)) {
http_post_buffer = git_config_ssize_t(var, value);
if (http_post_buffer < 0)
- warning(_("negative value for http.postbuffer; defaulting to %d"), LARGE_PACKET_MAX);
+ warning(_("negative value for http.postBuffer; defaulting to %d"), LARGE_PACKET_MAX);
if (http_post_buffer < LARGE_PACKET_MAX)
http_post_buffer = LARGE_PACKET_MAX;
return 0;
@@ -372,10 +484,10 @@ static int http_options(const char *var, const char *value, void *cb)
}
if (!strcmp("http.pinnedpubkey", var)) {
-#if LIBCURL_VERSION_NUM >= 0x072c00
+#ifdef GIT_CURL_HAVE_CURLOPT_PINNEDPUBLICKEY
return git_config_pathname(&ssl_pinnedkey, var, value);
#else
- warning(_("Public key pinning not supported with cURL < 7.44.0"));
+ warning(_("Public key pinning not supported with cURL < 7.39.0"));
return 0;
#endif
}
@@ -384,11 +496,21 @@ static int http_options(const char *var, const char *value, void *cb)
if (!value) {
return config_error_nonbool(var);
} else if (!*value) {
- curl_slist_free_all(extra_http_headers);
- extra_http_headers = NULL;
+ string_list_clear(&extra_http_headers, 0);
+ } else {
+ string_list_append(&extra_http_headers, value);
+ }
+ return 0;
+ }
+
+ if (!strcmp("http.curloptresolve", var)) {
+ if (!value) {
+ return config_error_nonbool(var);
+ } else if (!*value) {
+ curl_slist_free_all(host_resolutions);
+ host_resolutions = NULL;
} else {
- extra_http_headers =
- curl_slist_append(extra_http_headers, value);
+ host_resolutions = curl_slist_append(host_resolutions, value);
}
return 0;
}
@@ -412,12 +534,6 @@ static int curl_empty_auth_enabled(void)
if (curl_empty_auth >= 0)
return curl_empty_auth;
-#ifndef LIBCURL_CAN_HANDLE_AUTH_ANY
- /*
- * Our libcurl is too old to do AUTH_ANY in the first place;
- * just default to turning the feature off.
- */
-#else
/*
* In the automatic case, kick in the empty-auth
* hack as long as we would potentially try some
@@ -430,7 +546,6 @@ static int curl_empty_auth_enabled(void)
if (http_auth_methods_restricted &&
(http_auth_methods & ~empty_auth_useless))
return 1;
-#endif
return 0;
}
@@ -444,24 +559,8 @@ static void init_curl_http_auth(CURL *result)
credential_fill(&http_auth);
-#if LIBCURL_VERSION_NUM >= 0x071301
curl_easy_setopt(result, CURLOPT_USERNAME, http_auth.username);
curl_easy_setopt(result, CURLOPT_PASSWORD, http_auth.password);
-#else
- {
- static struct strbuf up = STRBUF_INIT;
- /*
- * Note that we assume we only ever have a single set of
- * credentials in a given program run, so we do not have
- * to worry about updating this buffer, only setting its
- * initial value.
- */
- if (!up.len)
- strbuf_addf(&up, "%s:%s",
- http_auth.username, http_auth.password);
- curl_easy_setopt(result, CURLOPT_USERPWD, up.buf);
- }
-#endif
}
/* *var must be free-able */
@@ -475,20 +574,10 @@ static void var_override(const char **var, char *value)
static void set_proxyauth_name_password(CURL *result)
{
-#if LIBCURL_VERSION_NUM >= 0x071301
curl_easy_setopt(result, CURLOPT_PROXYUSERNAME,
proxy_auth.username);
curl_easy_setopt(result, CURLOPT_PROXYPASSWORD,
proxy_auth.password);
-#else
- struct strbuf s = STRBUF_INIT;
-
- strbuf_addstr_urlencode(&s, proxy_auth.username, 1);
- strbuf_addch(&s, ':');
- strbuf_addstr_urlencode(&s, proxy_auth.password, 1);
- curl_proxyuserpwd = strbuf_detach(&s, NULL);
- curl_easy_setopt(result, CURLOPT_PROXYUSERPWD, curl_proxyuserpwd);
-#endif
}
static void init_curl_proxy_auth(CURL *result)
@@ -501,7 +590,6 @@ static void init_curl_proxy_auth(CURL *result)
var_override(&http_proxy_authmethod, getenv("GIT_HTTP_PROXY_AUTHMETHOD"));
-#if LIBCURL_VERSION_NUM >= 0x070a07 /* CURLOPT_PROXYAUTH and CURLAUTH_ANY */
if (http_proxy_authmethod) {
int i;
for (i = 0; i < ARRAY_SIZE(proxy_authmethods); i++) {
@@ -519,7 +607,6 @@ static void init_curl_proxy_auth(CURL *result)
}
else
curl_easy_setopt(result, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
-#endif
}
static int has_cert_password(void)
@@ -528,6 +615,7 @@ static int has_cert_password(void)
return 0;
if (!cert_auth.password) {
cert_auth.protocol = xstrdup("cert");
+ cert_auth.host = xstrdup("");
cert_auth.username = xstrdup("");
cert_auth.path = xstrdup(ssl_cert);
credential_fill(&cert_auth);
@@ -535,13 +623,29 @@ static int has_cert_password(void)
return 1;
}
-#if LIBCURL_VERSION_NUM >= 0x071900
+#ifdef GIT_CURL_HAVE_CURLOPT_PROXY_KEYPASSWD
+static int has_proxy_cert_password(void)
+{
+ if (http_proxy_ssl_cert == NULL || proxy_ssl_cert_password_required != 1)
+ return 0;
+ if (!proxy_cert_auth.password) {
+ proxy_cert_auth.protocol = xstrdup("cert");
+ proxy_cert_auth.host = xstrdup("");
+ proxy_cert_auth.username = xstrdup("");
+ proxy_cert_auth.path = xstrdup(http_proxy_ssl_cert);
+ credential_fill(&proxy_cert_auth);
+ }
+ return 1;
+}
+#endif
+
+#ifdef GITCURL_HAVE_CURLOPT_TCP_KEEPALIVE
static void set_curl_keepalive(CURL *c)
{
curl_easy_setopt(c, CURLOPT_TCP_KEEPALIVE, 1);
}
-#elif LIBCURL_VERSION_NUM >= 0x071000
+#else
static int sockopt_callback(void *client, curl_socket_t fd, curlsocktype type)
{
int ka = 1;
@@ -555,27 +659,24 @@ static int sockopt_callback(void *client, curl_socket_t fd, curlsocktype type)
if (rc < 0)
warning_errno("unable to set SO_KEEPALIVE on socket");
- return 0; /* CURL_SOCKOPT_OK only exists since curl 7.21.5 */
+ return CURL_SOCKOPT_OK;
}
static void set_curl_keepalive(CURL *c)
{
curl_easy_setopt(c, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
}
-
-#else
-static void set_curl_keepalive(CURL *c)
-{
- /* not supported on older curl versions */
-}
#endif
-static void redact_sensitive_header(struct strbuf *header)
+/* Return 1 if redactions have been made, 0 otherwise. */
+static int redact_sensitive_header(struct strbuf *header, size_t offset)
{
+ int ret = 0;
const char *sensitive_header;
- if (skip_prefix(header->buf, "Authorization:", &sensitive_header) ||
- skip_prefix(header->buf, "Proxy-Authorization:", &sensitive_header)) {
+ if (trace_curl_redact &&
+ (skip_iprefix(header->buf + offset, "Authorization:", &sensitive_header) ||
+ skip_iprefix(header->buf + offset, "Proxy-Authorization:", &sensitive_header))) {
/* The first token is the type, which is OK to log */
while (isspace(*sensitive_header))
sensitive_header++;
@@ -584,20 +685,16 @@ static void redact_sensitive_header(struct strbuf *header)
/* Everything else is opaque and possibly sensitive */
strbuf_setlen(header, sensitive_header - header->buf);
strbuf_addstr(header, " <redacted>");
- } else if (cookies_to_redact.nr &&
- skip_prefix(header->buf, "Cookie:", &sensitive_header)) {
+ ret = 1;
+ } else if (trace_curl_redact &&
+ skip_iprefix(header->buf + offset, "Cookie:", &sensitive_header)) {
struct strbuf redacted_header = STRBUF_INIT;
- char *cookie;
+ const char *cookie;
while (isspace(*sensitive_header))
sensitive_header++;
- /*
- * The contents of header starting from sensitive_header will
- * subsequently be overridden, so it is fine to mutate this
- * string (hence the assignment to "char *").
- */
- cookie = (char *) sensitive_header;
+ cookie = sensitive_header;
while (cookie) {
char *equals;
@@ -610,14 +707,8 @@ static void redact_sensitive_header(struct strbuf *header)
strbuf_addstr(&redacted_header, cookie);
continue;
}
- *equals = 0; /* temporarily set to NUL for lookup */
- if (string_list_lookup(&cookies_to_redact, cookie)) {
- strbuf_addstr(&redacted_header, cookie);
- strbuf_addstr(&redacted_header, "=<redacted>");
- } else {
- *equals = '=';
- strbuf_addstr(&redacted_header, cookie);
- }
+ strbuf_add(&redacted_header, cookie, equals - cookie);
+ strbuf_addstr(&redacted_header, "=<redacted>");
if (semicolon) {
/*
* There are more cookies. (Or, for some
@@ -632,6 +723,26 @@ static void redact_sensitive_header(struct strbuf *header)
strbuf_setlen(header, sensitive_header - header->buf);
strbuf_addbuf(header, &redacted_header);
+ ret = 1;
+ }
+ return ret;
+}
+
+/* Redact headers in info */
+static void redact_sensitive_info_header(struct strbuf *header)
+{
+ const char *sensitive_header;
+
+ /*
+ * curl's h2h3 prints headers in info, e.g.:
+ * h2h3 [<header-name>: <header-val>]
+ */
+ if (trace_curl_redact &&
+ skip_iprefix(header->buf, "h2h3 [", &sensitive_header)) {
+ if (redact_sensitive_header(header, sensitive_header - header->buf)) {
+ /* redaction ate our closing bracket */
+ strbuf_addch(header, ']');
+ }
}
}
@@ -649,9 +760,9 @@ static void curl_dump_header(const char *text, unsigned char *ptr, size_t size,
for (header = headers; *header; header++) {
if (hide_sensitive_header)
- redact_sensitive_header(*header);
- strbuf_insert((*header), 0, text, strlen(text));
- strbuf_insert((*header), strlen(text), ": ", 2);
+ redact_sensitive_header(*header, 0);
+ strbuf_insertstr((*header), 0, text);
+ strbuf_insertstr((*header), strlen(text), ": ");
strbuf_rtrim((*header));
strbuf_addch((*header), '\n');
trace_strbuf(&trace_curl, (*header));
@@ -688,6 +799,18 @@ static void curl_dump_data(const char *text, unsigned char *ptr, size_t size)
strbuf_release(&out);
}
+static void curl_dump_info(char *data, size_t size)
+{
+ struct strbuf buf = STRBUF_INIT;
+
+ strbuf_add(&buf, data, size);
+
+ redact_sensitive_info_header(&buf);
+ trace_printf_key(&trace_curl, "== Info: %s", buf.buf);
+
+ strbuf_release(&buf);
+}
+
static int curl_trace(CURL *handle, curl_infotype type, char *data, size_t size, void *userp)
{
const char *text;
@@ -695,7 +818,7 @@ static int curl_trace(CURL *handle, curl_infotype type, char *data, size_t size,
switch (type) {
case CURLINFO_TEXT:
- trace_printf_key(&trace_curl, "== Info: %s", data);
+ curl_dump_info(data, size);
break;
case CURLINFO_HEADER_OUT:
text = "=> Send header";
@@ -736,6 +859,12 @@ static int curl_trace(CURL *handle, curl_infotype type, char *data, size_t size,
return 0;
}
+void http_trace_curl_no_data(void)
+{
+ trace_override_envvar(&trace_curl, "1");
+ trace_curl_data = 0;
+}
+
void setup_curl_trace(CURL *handle)
{
if (!trace_want(&trace_curl))
@@ -745,22 +874,62 @@ void setup_curl_trace(CURL *handle)
curl_easy_setopt(handle, CURLOPT_DEBUGDATA, NULL);
}
-#ifdef CURLPROTO_HTTP
-static long get_curl_allowed_protocols(int from_user)
+static void proto_list_append(struct strbuf *list, const char *proto)
+{
+ if (!list)
+ return;
+ if (list->len)
+ strbuf_addch(list, ',');
+ strbuf_addstr(list, proto);
+}
+
+static long get_curl_allowed_protocols(int from_user, struct strbuf *list)
{
- long allowed_protocols = 0;
+ long bits = 0;
+
+ if (is_transport_allowed("http", from_user)) {
+ bits |= CURLPROTO_HTTP;
+ proto_list_append(list, "http");
+ }
+ if (is_transport_allowed("https", from_user)) {
+ bits |= CURLPROTO_HTTPS;
+ proto_list_append(list, "https");
+ }
+ if (is_transport_allowed("ftp", from_user)) {
+ bits |= CURLPROTO_FTP;
+ proto_list_append(list, "ftp");
+ }
+ if (is_transport_allowed("ftps", from_user)) {
+ bits |= CURLPROTO_FTPS;
+ proto_list_append(list, "ftps");
+ }
+
+ return bits;
+}
- if (is_transport_allowed("http", from_user))
- allowed_protocols |= CURLPROTO_HTTP;
- if (is_transport_allowed("https", from_user))
- allowed_protocols |= CURLPROTO_HTTPS;
- if (is_transport_allowed("ftp", from_user))
- allowed_protocols |= CURLPROTO_FTP;
- if (is_transport_allowed("ftps", from_user))
- allowed_protocols |= CURLPROTO_FTPS;
+#ifdef GIT_CURL_HAVE_CURL_HTTP_VERSION_2
+static int get_curl_http_version_opt(const char *version_string, long *opt)
+{
+ int i;
+ static struct {
+ const char *name;
+ long opt_token;
+ } choice[] = {
+ { "HTTP/1.1", CURL_HTTP_VERSION_1_1 },
+ { "HTTP/2", CURL_HTTP_VERSION_2 }
+ };
+
+ for (i = 0; i < ARRAY_SIZE(choice); i++) {
+ if (!strcmp(version_string, choice[i].name)) {
+ *opt = choice[i].opt_token;
+ return 0;
+ }
+ }
- return allowed_protocols;
+ warning("unknown value given to http.version: '%s'", version_string);
+ return -1; /* not found */
}
+
#endif
static CURL *get_curl_handle(void)
@@ -780,12 +949,18 @@ static CURL *get_curl_handle(void)
curl_easy_setopt(result, CURLOPT_SSL_VERIFYHOST, 2);
}
-#if LIBCURL_VERSION_NUM >= 0x070907
- curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
+#ifdef GIT_CURL_HAVE_CURL_HTTP_VERSION_2
+ if (curl_http_version) {
+ long opt;
+ if (!get_curl_http_version_opt(curl_http_version, &opt)) {
+ /* Set request use http version */
+ curl_easy_setopt(result, CURLOPT_HTTP_VERSION, opt);
+ }
+ }
#endif
-#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
+
+ curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
curl_easy_setopt(result, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
-#endif
#ifdef CURLGSSAPI_DELEGATION_FLAG
if (curl_deleg) {
@@ -803,6 +978,15 @@ static CURL *get_curl_handle(void)
}
#endif
+ if (http_ssl_backend && !strcmp("schannel", http_ssl_backend) &&
+ !http_schannel_check_revoke) {
+#ifdef GIT_CURL_HAVE_CURLSSLOPT_NO_REVOKE
+ curl_easy_setopt(result, CURLOPT_SSL_OPTIONS, CURLSSLOPT_NO_REVOKE);
+#else
+ warning(_("CURLSSLOPT_NO_REVOKE not supported with cURL < 7.44.0"));
+#endif
+ }
+
if (http_proactive_auth)
init_curl_http_auth(result);
@@ -828,24 +1012,32 @@ static CURL *get_curl_handle(void)
curl_easy_setopt(result, CURLOPT_SSL_CIPHER_LIST,
ssl_cipherlist);
- if (ssl_cert != NULL)
+ if (ssl_cert)
curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert);
if (has_cert_password())
curl_easy_setopt(result, CURLOPT_KEYPASSWD, cert_auth.password);
-#if LIBCURL_VERSION_NUM >= 0x070903
- if (ssl_key != NULL)
+ if (ssl_key)
curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key);
-#endif
-#if LIBCURL_VERSION_NUM >= 0x070908
- if (ssl_capath != NULL)
+ if (ssl_capath)
curl_easy_setopt(result, CURLOPT_CAPATH, ssl_capath);
-#endif
-#if LIBCURL_VERSION_NUM >= 0x072c00
- if (ssl_pinnedkey != NULL)
+#ifdef GIT_CURL_HAVE_CURLOPT_PINNEDPUBLICKEY
+ if (ssl_pinnedkey)
curl_easy_setopt(result, CURLOPT_PINNEDPUBLICKEY, ssl_pinnedkey);
#endif
- if (ssl_cainfo != NULL)
- curl_easy_setopt(result, CURLOPT_CAINFO, ssl_cainfo);
+ if (http_ssl_backend && !strcmp("schannel", http_ssl_backend) &&
+ !http_schannel_use_ssl_cainfo) {
+ curl_easy_setopt(result, CURLOPT_CAINFO, NULL);
+#ifdef GIT_CURL_HAVE_CURLOPT_PROXY_CAINFO
+ curl_easy_setopt(result, CURLOPT_PROXY_CAINFO, NULL);
+#endif
+ } else if (ssl_cainfo != NULL || http_proxy_ssl_ca_info != NULL) {
+ if (ssl_cainfo)
+ curl_easy_setopt(result, CURLOPT_CAINFO, ssl_cainfo);
+#ifdef GIT_CURL_HAVE_CURLOPT_PROXY_CAINFO
+ if (http_proxy_ssl_ca_info)
+ curl_easy_setopt(result, CURLOPT_PROXY_CAINFO, http_proxy_ssl_ca_info);
+#endif
+ }
if (curl_low_speed_limit > 0 && curl_low_speed_time > 0) {
curl_easy_setopt(result, CURLOPT_LOW_SPEED_LIMIT,
@@ -855,30 +1047,34 @@ static CURL *get_curl_handle(void)
}
curl_easy_setopt(result, CURLOPT_MAXREDIRS, 20);
-#if LIBCURL_VERSION_NUM >= 0x071301
curl_easy_setopt(result, CURLOPT_POSTREDIR, CURL_REDIR_POST_ALL);
-#elif LIBCURL_VERSION_NUM >= 0x071101
- curl_easy_setopt(result, CURLOPT_POST301, 1);
-#endif
-#ifdef CURLPROTO_HTTP
+
+#ifdef GIT_CURL_HAVE_CURLOPT_PROTOCOLS_STR
+ {
+ struct strbuf buf = STRBUF_INIT;
+
+ get_curl_allowed_protocols(0, &buf);
+ curl_easy_setopt(result, CURLOPT_REDIR_PROTOCOLS_STR, buf.buf);
+ strbuf_reset(&buf);
+
+ get_curl_allowed_protocols(-1, &buf);
+ curl_easy_setopt(result, CURLOPT_PROTOCOLS_STR, buf.buf);
+ strbuf_release(&buf);
+ }
+#else
curl_easy_setopt(result, CURLOPT_REDIR_PROTOCOLS,
- get_curl_allowed_protocols(0));
+ get_curl_allowed_protocols(0, NULL));
curl_easy_setopt(result, CURLOPT_PROTOCOLS,
- get_curl_allowed_protocols(-1));
-#else
- warning("protocol restrictions not applied to curl redirects because\n"
- "your curl version is too old (>= 7.19.4)");
+ get_curl_allowed_protocols(-1, NULL));
#endif
+
if (getenv("GIT_CURL_VERBOSE"))
- curl_easy_setopt(result, CURLOPT_VERBOSE, 1L);
+ http_trace_curl_no_data();
setup_curl_trace(result);
if (getenv("GIT_TRACE_CURL_NO_DATA"))
trace_curl_data = 0;
- if (getenv("GIT_REDACT_COOKIES")) {
- string_list_split(&cookies_to_redact,
- getenv("GIT_REDACT_COOKIES"), ',', -1);
- string_list_sort(&cookies_to_redact);
- }
+ if (!git_env_bool("GIT_TRACE_REDACT", 1))
+ trace_curl_redact = 0;
curl_easy_setopt(result, CURLOPT_USERAGENT,
user_agent ? user_agent : git_user_agent());
@@ -886,10 +1082,8 @@ static CURL *get_curl_handle(void)
if (curl_ftp_no_epsv)
curl_easy_setopt(result, CURLOPT_FTP_USE_EPSV, 0);
-#ifdef CURLOPT_USE_SSL
if (curl_ssl_try)
curl_easy_setopt(result, CURLOPT_USE_SSL, CURLUSESSL_TRY);
-#endif
/*
* CURL also examines these variables as a fallback; but we need to query
@@ -924,7 +1118,6 @@ static CURL *get_curl_handle(void)
*/
curl_easy_setopt(result, CURLOPT_PROXY, "");
} else if (curl_http_proxy) {
-#if LIBCURL_VERSION_NUM >= 0x071800
if (starts_with(curl_http_proxy, "socks5h"))
curl_easy_setopt(result,
CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5_HOSTNAME);
@@ -937,11 +1130,19 @@ static CURL *get_curl_handle(void)
else if (starts_with(curl_http_proxy, "socks"))
curl_easy_setopt(result,
CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4);
-#endif
-#if LIBCURL_VERSION_NUM >= 0x073400
- else if (starts_with(curl_http_proxy, "https"))
- curl_easy_setopt(result,
- CURLOPT_PROXYTYPE, CURLPROXY_HTTPS);
+#ifdef GIT_CURL_HAVE_CURLOPT_PROXY_KEYPASSWD
+ else if (starts_with(curl_http_proxy, "https")) {
+ curl_easy_setopt(result, CURLOPT_PROXYTYPE, CURLPROXY_HTTPS);
+
+ if (http_proxy_ssl_cert)
+ curl_easy_setopt(result, CURLOPT_PROXY_SSLCERT, http_proxy_ssl_cert);
+
+ if (http_proxy_ssl_key)
+ curl_easy_setopt(result, CURLOPT_PROXY_SSLKEY, http_proxy_ssl_key);
+
+ if (has_proxy_cert_password())
+ curl_easy_setopt(result, CURLOPT_PROXY_KEYPASSWD, proxy_cert_auth.password);
+ }
#endif
if (strstr(curl_http_proxy, "://"))
credential_from_url(&proxy_auth, curl_http_proxy);
@@ -956,11 +1157,9 @@ static CURL *get_curl_handle(void)
die("Invalid proxy URL '%s'", curl_http_proxy);
curl_easy_setopt(result, CURLOPT_PROXY, proxy_auth.host);
-#if LIBCURL_VERSION_NUM >= 0x071304
var_override(&curl_no_proxy, getenv("NO_PROXY"));
var_override(&curl_no_proxy, getenv("no_proxy"));
curl_easy_setopt(result, CURLOPT_NOPROXY, curl_no_proxy);
-#endif
}
init_curl_proxy_auth(result);
@@ -981,7 +1180,7 @@ void http_init(struct remote *remote, const char *url, int proactive_auth)
char *low_speed_limit;
char *low_speed_time;
char *normalized_url;
- struct urlmatch_config config = { STRING_LIST_INIT_DUP };
+ struct urlmatch_config config = URLMATCH_CONFIG_INIT;
config.section = "http";
config.key = NULL;
@@ -994,6 +1193,34 @@ void http_init(struct remote *remote, const char *url, int proactive_auth)
git_config(urlmatch_config_entry, &config);
free(normalized_url);
+ string_list_clear(&config.vars, 1);
+
+#ifdef GIT_CURL_HAVE_CURLSSLSET_NO_BACKENDS
+ if (http_ssl_backend) {
+ const curl_ssl_backend **backends;
+ struct strbuf buf = STRBUF_INIT;
+ int i;
+
+ switch (curl_global_sslset(-1, http_ssl_backend, &backends)) {
+ case CURLSSLSET_UNKNOWN_BACKEND:
+ strbuf_addf(&buf, _("Unsupported SSL backend '%s'. "
+ "Supported SSL backends:"),
+ http_ssl_backend);
+ for (i = 0; backends[i]; i++)
+ strbuf_addf(&buf, "\n\t%s", backends[i]->name);
+ die("%s", buf.buf);
+ case CURLSSLSET_NO_BACKENDS:
+ die(_("Could not set SSL backend to '%s': "
+ "cURL was built without SSL backends"),
+ http_ssl_backend);
+ case CURLSSLSET_TOO_LATE:
+ die(_("Could not set SSL backend to '%s': already set"),
+ http_ssl_backend);
+ case CURLSSLSET_OK:
+ break; /* Okay! */
+ }
+ }
+#endif
if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK)
die("curl_global_init failed");
@@ -1011,47 +1238,46 @@ void http_init(struct remote *remote, const char *url, int proactive_auth)
no_pragma_header = curl_slist_append(http_copy_default_headers(),
"Pragma:");
-#ifdef USE_CURL_MULTI
{
char *http_max_requests = getenv("GIT_HTTP_MAX_REQUESTS");
- if (http_max_requests != NULL)
+ if (http_max_requests)
max_requests = atoi(http_max_requests);
}
curlm = curl_multi_init();
if (!curlm)
die("curl_multi_init failed");
-#endif
if (getenv("GIT_SSL_NO_VERIFY"))
curl_ssl_verify = 0;
set_from_env(&ssl_cert, "GIT_SSL_CERT");
-#if LIBCURL_VERSION_NUM >= 0x070903
set_from_env(&ssl_key, "GIT_SSL_KEY");
-#endif
-#if LIBCURL_VERSION_NUM >= 0x070908
set_from_env(&ssl_capath, "GIT_SSL_CAPATH");
-#endif
set_from_env(&ssl_cainfo, "GIT_SSL_CAINFO");
set_from_env(&user_agent, "GIT_HTTP_USER_AGENT");
low_speed_limit = getenv("GIT_HTTP_LOW_SPEED_LIMIT");
- if (low_speed_limit != NULL)
+ if (low_speed_limit)
curl_low_speed_limit = strtol(low_speed_limit, NULL, 10);
low_speed_time = getenv("GIT_HTTP_LOW_SPEED_TIME");
- if (low_speed_time != NULL)
+ if (low_speed_time)
curl_low_speed_time = strtol(low_speed_time, NULL, 10);
if (curl_ssl_verify == -1)
curl_ssl_verify = 1;
curl_session_count = 0;
-#ifdef USE_CURL_MULTI
if (max_requests < 1)
max_requests = DEFAULT_MAX_REQUESTS;
-#endif
+
+ set_from_env(&http_proxy_ssl_cert, "GIT_PROXY_SSL_CERT");
+ set_from_env(&http_proxy_ssl_key, "GIT_PROXY_SSL_KEY");
+ set_from_env(&http_proxy_ssl_ca_info, "GIT_PROXY_SSL_CAINFO");
+
+ if (getenv("GIT_PROXY_SSL_CERT_PASSWORD_PROTECTED"))
+ proxy_ssl_cert_password_required = 1;
if (getenv("GIT_CURL_FTP_NO_EPSV"))
curl_ftp_no_epsv = 1;
@@ -1064,9 +1290,7 @@ void http_init(struct remote *remote, const char *url, int proactive_auth)
ssl_cert_password_required = 1;
}
-#ifndef NO_CURL_EASY_DUPHANDLE
curl_default = get_curl_handle();
-#endif
}
void http_cleanup(void)
@@ -1075,7 +1299,7 @@ void http_cleanup(void)
while (slot != NULL) {
struct active_request_slot *next = slot->next;
- if (slot->curl != NULL) {
+ if (slot->curl) {
xmulti_remove_handle(slot);
curl_easy_cleanup(slot->curl);
}
@@ -1084,17 +1308,12 @@ void http_cleanup(void)
}
active_queue_head = NULL;
-#ifndef NO_CURL_EASY_DUPHANDLE
curl_easy_cleanup(curl_default);
-#endif
-#ifdef USE_CURL_MULTI
curl_multi_cleanup(curlm);
-#endif
curl_global_cleanup();
- curl_slist_free_all(extra_http_headers);
- extra_http_headers = NULL;
+ string_list_clear(&extra_http_headers, 0);
curl_slist_free_all(pragma_header);
pragma_header = NULL;
@@ -1102,6 +1321,9 @@ void http_cleanup(void)
curl_slist_free_all(no_pragma_header);
no_pragma_header = NULL;
+ curl_slist_free_all(host_resolutions);
+ host_resolutions = NULL;
+
if (curl_http_proxy) {
free((void *)curl_http_proxy);
curl_http_proxy = NULL;
@@ -1118,12 +1340,18 @@ void http_cleanup(void)
free((void *)http_proxy_authmethod);
http_proxy_authmethod = NULL;
- if (cert_auth.password != NULL) {
+ if (cert_auth.password) {
memset(cert_auth.password, 0, strlen(cert_auth.password));
FREE_AND_NULL(cert_auth.password);
}
ssl_cert_password_required = 0;
+ if (proxy_cert_auth.password) {
+ memset(proxy_cert_auth.password, 0, strlen(proxy_cert_auth.password));
+ FREE_AND_NULL(proxy_cert_auth.password);
+ }
+ proxy_ssl_cert_password_required = 0;
+
FREE_AND_NULL(cached_accept_language);
}
@@ -1132,7 +1360,6 @@ struct active_request_slot *get_active_slot(void)
struct active_request_slot *slot = active_queue_head;
struct active_request_slot *newslot;
-#ifdef USE_CURL_MULTI
int num_transfers;
/* Wait for a slot to open up if the queue is full */
@@ -1141,19 +1368,18 @@ struct active_request_slot *get_active_slot(void)
if (num_transfers < active_requests)
process_curl_messages();
}
-#endif
while (slot != NULL && slot->in_use)
slot = slot->next;
- if (slot == NULL) {
+ if (!slot) {
newslot = xmalloc(sizeof(*newslot));
newslot->curl = NULL;
newslot->in_use = 0;
newslot->next = NULL;
slot = active_queue_head;
- if (slot == NULL) {
+ if (!slot) {
active_queue_head = newslot;
} else {
while (slot->next != NULL)
@@ -1163,12 +1389,8 @@ struct active_request_slot *get_active_slot(void)
slot = newslot;
}
- if (slot->curl == NULL) {
-#ifdef NO_CURL_EASY_DUPHANDLE
- slot->curl = get_curl_handle();
-#else
+ if (!slot->curl) {
slot->curl = curl_easy_duphandle(curl_default);
-#endif
curl_session_count++;
}
@@ -1182,6 +1404,7 @@ struct active_request_slot *get_active_slot(void)
if (curl_save_cookies)
curl_easy_setopt(slot->curl, CURLOPT_COOKIEJAR, curl_cookie_file);
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, pragma_header);
+ curl_easy_setopt(slot->curl, CURLOPT_RESOLVE, host_resolutions);
curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, curl_errorstr);
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, NULL);
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, NULL);
@@ -1202,12 +1425,8 @@ struct active_request_slot *get_active_slot(void)
else
curl_easy_setopt(slot->curl, CURLOPT_FOLLOWLOCATION, 0);
-#if LIBCURL_VERSION_NUM >= 0x070a08
curl_easy_setopt(slot->curl, CURLOPT_IPRESOLVE, git_curl_ipresolve);
-#endif
-#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
curl_easy_setopt(slot->curl, CURLOPT_HTTPAUTH, http_auth_methods);
-#endif
if (http_auth.password || curl_empty_auth_enabled())
init_curl_http_auth(slot->curl);
@@ -1216,7 +1435,6 @@ struct active_request_slot *get_active_slot(void)
int start_active_slot(struct active_request_slot *slot)
{
-#ifdef USE_CURL_MULTI
CURLMcode curlm_result = curl_multi_add_handle(curlm, slot->curl);
int num_transfers;
@@ -1234,11 +1452,9 @@ int start_active_slot(struct active_request_slot *slot)
* something.
*/
curl_multi_perform(curlm, &num_transfers);
-#endif
return 1;
}
-#ifdef USE_CURL_MULTI
struct fill_chain {
void *data;
int (*fill)(void *);
@@ -1297,11 +1513,9 @@ void step_active_slots(void)
fill_active_slots();
}
}
-#endif
void run_active_slot(struct active_request_slot *slot)
{
-#ifdef USE_CURL_MULTI
fd_set readfds;
fd_set writefds;
fd_set excfds;
@@ -1314,7 +1528,6 @@ void run_active_slot(struct active_request_slot *slot)
step_active_slots();
if (slot->in_use) {
-#if LIBCURL_VERSION_NUM >= 0x070f04
long curl_timeout;
curl_multi_timeout(curlm, &curl_timeout);
if (curl_timeout == 0) {
@@ -1326,10 +1539,6 @@ void run_active_slot(struct active_request_slot *slot)
select_timeout.tv_sec = curl_timeout / 1000;
select_timeout.tv_usec = (curl_timeout % 1000) * 1000;
}
-#else
- select_timeout.tv_sec = 0;
- select_timeout.tv_usec = 50000;
-#endif
max_fd = -1;
FD_ZERO(&readfds);
@@ -1352,12 +1561,32 @@ void run_active_slot(struct active_request_slot *slot)
select(max_fd+1, &readfds, &writefds, &excfds, &select_timeout);
}
}
-#else
- while (slot->in_use) {
- slot->curl_result = curl_easy_perform(slot->curl);
- finish_active_slot(slot);
- }
-#endif
+
+ /*
+ * The value of slot->finished we set before the loop was used
+ * to set our "finished" variable when our request completed.
+ *
+ * 1. The slot may not have been reused for another requst
+ * yet, in which case it still has &finished.
+ *
+ * 2. The slot may already be in-use to serve another request,
+ * which can further be divided into two cases:
+ *
+ * (a) If call run_active_slot() hasn't been called for that
+ * other request, slot->finished would have been cleared
+ * by get_active_slot() and has NULL.
+ *
+ * (b) If the request did call run_active_slot(), then the
+ * call would have updated slot->finished at the beginning
+ * of this function, and with the clearing of the member
+ * below, we would find that slot->finished is now NULL.
+ *
+ * In all cases, slot->finished has no useful information to
+ * anybody at this point. Some compilers warn us for
+ * attempting to smuggle a pointer that is about to become
+ * invalid, i.e. &finished. We clear it here to assure them.
+ */
+ slot->finished = NULL;
}
static void release_active_slot(struct active_request_slot *slot)
@@ -1371,9 +1600,7 @@ static void release_active_slot(struct active_request_slot *slot)
curl_session_count--;
}
}
-#ifdef USE_CURL_MULTI
fill_active_slots();
-#endif
}
void finish_all_active_slots(void)
@@ -1438,7 +1665,8 @@ char *get_remote_object_url(const char *url, const char *hex,
return strbuf_detach(&buf, NULL);
}
-static int handle_curl_result(struct slot_results *results)
+void normalize_curl_result(CURLcode *result, long http_code,
+ char *errorstr, size_t errorlen)
{
/*
* If we see a failing http code with CURLE_OK, we have turned off
@@ -1448,25 +1676,43 @@ static int handle_curl_result(struct slot_results *results)
* Likewise, if we see a redirect (30x code), that means we turned off
* redirect-following, and we should treat the result as an error.
*/
- if (results->curl_result == CURLE_OK &&
- results->http_code >= 300) {
- results->curl_result = CURLE_HTTP_RETURNED_ERROR;
+ if (*result == CURLE_OK && http_code >= 300) {
+ *result = CURLE_HTTP_RETURNED_ERROR;
/*
* Normally curl will already have put the "reason phrase"
* from the server into curl_errorstr; unfortunately without
* FAILONERROR it is lost, so we can give only the numeric
* status code.
*/
- xsnprintf(curl_errorstr, sizeof(curl_errorstr),
+ xsnprintf(errorstr, errorlen,
"The requested URL returned error: %ld",
- results->http_code);
+ http_code);
}
+}
+
+static int handle_curl_result(struct slot_results *results)
+{
+ normalize_curl_result(&results->curl_result, results->http_code,
+ curl_errorstr, sizeof(curl_errorstr));
if (results->curl_result == CURLE_OK) {
credential_approve(&http_auth);
- if (proxy_auth.password)
- credential_approve(&proxy_auth);
+ credential_approve(&proxy_auth);
+ credential_approve(&cert_auth);
return HTTP_OK;
+ } else if (results->curl_result == CURLE_SSL_CERTPROBLEM) {
+ /*
+ * We can't tell from here whether it's a bad path, bad
+ * certificate, bad password, or something else wrong
+ * with the certificate. So we reject the credential to
+ * avoid caching or saving a bad password.
+ */
+ credential_reject(&cert_auth);
+ return HTTP_NOAUTH;
+#ifdef GIT_CURL_HAVE_CURLE_SSL_PINNEDPUBKEYNOTMATCH
+ } else if (results->curl_result == CURLE_SSL_PINNEDPUBKEYNOTMATCH) {
+ return HTTP_NOMATCHPUBLICKEY;
+#endif
} else if (missing_target(results))
return HTTP_MISSING_TARGET;
else if (results->http_code == 401) {
@@ -1474,24 +1720,20 @@ static int handle_curl_result(struct slot_results *results)
credential_reject(&http_auth);
return HTTP_NOAUTH;
} else {
-#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
http_auth_methods &= ~CURLAUTH_GSSNEGOTIATE;
if (results->auth_avail) {
http_auth_methods &= results->auth_avail;
http_auth_methods_restricted = 1;
}
-#endif
return HTTP_REAUTH;
}
} else {
if (results->http_connectcode == 407)
credential_reject(&proxy_auth);
-#if LIBCURL_VERSION_NUM >= 0x070c00
if (!curl_errorstr[0])
strlcpy(curl_errorstr,
curl_easy_strerror(results->curl_result),
sizeof(curl_errorstr));
-#endif
return HTTP_ERROR;
}
}
@@ -1512,10 +1754,11 @@ int run_one_slot(struct active_request_slot *slot,
struct curl_slist *http_copy_default_headers(void)
{
- struct curl_slist *headers = NULL, *h;
+ struct curl_slist *headers = NULL;
+ const struct string_list_item *item;
- for (h = extra_http_headers; h; h = h->next)
- headers = curl_slist_append(headers, h->data);
+ for_each_string_list_item(item, &extra_http_headers)
+ headers = curl_slist_append(headers, item->string);
return headers;
}
@@ -1708,7 +1951,7 @@ static void write_accept_language(struct strbuf *buf)
* LANGUAGE= LANG=en_US.UTF-8 -> "Accept-Language: en-US, *; q=0.1"
* LANGUAGE= LANG=C -> ""
*/
-static const char *get_accept_language(void)
+const char *http_get_accept_language_header(void)
{
if (!cached_accept_language) {
struct strbuf buf = STRBUF_INIT;
@@ -1745,11 +1988,11 @@ static int http_request(const char *url,
slot = get_active_slot();
curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
- if (result == NULL) {
+ if (!result) {
curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1);
} else {
curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
- curl_easy_setopt(slot->curl, CURLOPT_FILE, result);
+ curl_easy_setopt(slot->curl, CURLOPT_WRITEDATA, result);
if (target == HTTP_REQUEST_FILE) {
off_t posn = ftello(result);
@@ -1762,7 +2005,9 @@ static int http_request(const char *url,
fwrite_buffer);
}
- accept_language = get_accept_language();
+ curl_easy_setopt(slot->curl, CURLOPT_HEADERFUNCTION, fwrite_wwwauth);
+
+ accept_language = http_get_accept_language_header();
if (accept_language)
headers = curl_slist_append(headers, accept_language);
@@ -1770,8 +2015,6 @@ static int http_request(const char *url,
strbuf_addstr(&buf, "Pragma:");
if (options && options->no_cache)
strbuf_addstr(&buf, " no-cache");
- if (options && options->keep_error)
- curl_easy_setopt(slot->curl, CURLOPT_FAILONERROR, 0);
if (options && options->initial_request &&
http_follow_config == HTTP_FOLLOW_INITIAL)
curl_easy_setopt(slot->curl, CURLOPT_FOLLOWLOCATION, 1);
@@ -1789,6 +2032,7 @@ static int http_request(const char *url,
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "");
+ curl_easy_setopt(slot->curl, CURLOPT_FAILONERROR, 0);
ret = run_one_slot(slot, &results);
@@ -1883,19 +2127,26 @@ static int http_request_reauth(const char *url,
return ret;
/*
- * If we are using KEEP_ERROR, the previous request may have
- * put cruft into our output stream; we should clear it out before
- * making our next request. We only know how to do this for
- * the strbuf case, but that is enough to satisfy current callers.
+ * The previous request may have put cruft into our output stream; we
+ * should clear it out before making our next request.
*/
- if (options && options->keep_error) {
- switch (target) {
- case HTTP_REQUEST_STRBUF:
- strbuf_reset(result);
- break;
- default:
- BUG("HTTP_KEEP_ERROR is only supported with strbufs");
+ switch (target) {
+ case HTTP_REQUEST_STRBUF:
+ strbuf_reset(result);
+ break;
+ case HTTP_REQUEST_FILE:
+ if (fflush(result)) {
+ error_errno("unable to flush a file");
+ return HTTP_START_FAILED;
}
+ rewind(result);
+ if (ftruncate(fileno(result), 0) < 0) {
+ error_errno("unable to truncate a file");
+ return HTTP_START_FAILED;
+ }
+ break;
+ default:
+ BUG("Unknown http_request target");
}
credential_fill(&http_auth);
@@ -1916,8 +2167,8 @@ int http_get_strbuf(const char *url,
* If a previous interrupted download is detected (i.e. a previous temporary
* file is still around) the download is resumed.
*/
-static int http_get_file(const char *url, const char *filename,
- struct http_get_options *options)
+int http_get_file(const char *url, const char *filename,
+ struct http_get_options *options)
{
int ret;
struct strbuf tmpfile = STRBUF_INIT;
@@ -1953,7 +2204,7 @@ int http_fetch_ref(const char *base, struct ref *ref)
url = quote_ref_url(base, ref->name);
if (http_get_strbuf(url, &buffer, &options) == HTTP_OK) {
strbuf_rtrim(&buffer);
- if (buffer.len == 40)
+ if (buffer.len == the_hash_algo->hexsz)
ret = get_oid_hex(buffer.buf, &ref->old_oid);
else if (starts_with(buffer.buf, "ref: ")) {
ref->symref = xstrdup(buffer.buf + 5);
@@ -1967,19 +2218,19 @@ int http_fetch_ref(const char *base, struct ref *ref)
}
/* Helpers for fetching packs */
-static char *fetch_pack_index(unsigned char *sha1, const char *base_url)
+static char *fetch_pack_index(unsigned char *hash, const char *base_url)
{
char *url, *tmp;
struct strbuf buf = STRBUF_INIT;
if (http_is_verbose)
- fprintf(stderr, "Getting index for pack %s\n", sha1_to_hex(sha1));
+ fprintf(stderr, "Getting index for pack %s\n", hash_to_hex(hash));
end_url_with_slash(&buf, base_url);
- strbuf_addf(&buf, "objects/pack/pack-%s.idx", sha1_to_hex(sha1));
+ strbuf_addf(&buf, "objects/pack/pack-%s.idx", hash_to_hex(hash));
url = strbuf_detach(&buf, NULL);
- strbuf_addf(&buf, "%s.temp", sha1_pack_index_name(sha1));
+ strbuf_addf(&buf, "%s.temp", sha1_pack_index_name(hash));
tmp = strbuf_detach(&buf, NULL);
if (http_get_file(url, tmp, NULL) != HTTP_OK) {
@@ -2035,11 +2286,11 @@ add_pack:
int http_get_info_packs(const char *base_url, struct packed_git **packs_head)
{
struct http_get_options options = {0};
- int ret = 0, i = 0;
- char *url, *data;
+ int ret = 0;
+ char *url;
+ const char *data;
struct strbuf buf = STRBUF_INIT;
- unsigned char hash[GIT_MAX_RAWSZ];
- const unsigned hexsz = the_hash_algo->hexsz;
+ struct object_id oid;
end_url_with_slash(&buf, base_url);
strbuf_addstr(&buf, "objects/info/packs");
@@ -2051,24 +2302,17 @@ int http_get_info_packs(const char *base_url, struct packed_git **packs_head)
goto cleanup;
data = buf.buf;
- while (i < buf.len) {
- switch (data[i]) {
- case 'P':
- i++;
- if (i + hexsz + 12 <= buf.len &&
- starts_with(data + i, " pack-") &&
- starts_with(data + i + hexsz + 6, ".pack\n")) {
- get_sha1_hex(data + i + 6, hash);
- fetch_and_setup_pack_index(packs_head, hash,
- base_url);
- i += hexsz + 11;
- break;
- }
- default:
- while (i < buf.len && data[i] != '\n')
- i++;
+ while (*data) {
+ if (skip_prefix(data, "P pack-", &data) &&
+ !parse_oid_hex(data, &oid, &data) &&
+ skip_prefix(data, ".pack", &data) &&
+ (*data == '\n' || *data == '\0')) {
+ fetch_and_setup_pack_index(packs_head, oid.hash, base_url);
+ } else {
+ data = strchrnul(data, '\n');
}
- i++;
+ if (*data)
+ data++; /* skip past newline */
}
cleanup:
@@ -2078,7 +2322,7 @@ cleanup:
void release_http_pack_request(struct http_pack_request *preq)
{
- if (preq->packfile != NULL) {
+ if (preq->packfile) {
fclose(preq->packfile);
preq->packfile = NULL;
}
@@ -2088,72 +2332,78 @@ void release_http_pack_request(struct http_pack_request *preq)
free(preq);
}
+static const char *default_index_pack_args[] =
+ {"index-pack", "--stdin", NULL};
+
int finish_http_pack_request(struct http_pack_request *preq)
{
- struct packed_git **lst;
- struct packed_git *p = preq->target;
- char *tmp_idx;
- size_t len;
struct child_process ip = CHILD_PROCESS_INIT;
-
- close_pack_index(p);
+ int tmpfile_fd;
+ int ret = 0;
fclose(preq->packfile);
preq->packfile = NULL;
- lst = preq->lst;
- while (*lst != p)
- lst = &((*lst)->next);
- *lst = (*lst)->next;
-
- if (!strip_suffix(preq->tmpfile.buf, ".pack.temp", &len))
- BUG("pack tmpfile does not end in .pack.temp?");
- tmp_idx = xstrfmt("%.*s.idx.temp", (int)len, preq->tmpfile.buf);
+ tmpfile_fd = xopen(preq->tmpfile.buf, O_RDONLY);
- argv_array_push(&ip.args, "index-pack");
- argv_array_pushl(&ip.args, "-o", tmp_idx, NULL);
- argv_array_push(&ip.args, preq->tmpfile.buf);
ip.git_cmd = 1;
- ip.no_stdin = 1;
- ip.no_stdout = 1;
+ ip.in = tmpfile_fd;
+ strvec_pushv(&ip.args, preq->index_pack_args ?
+ preq->index_pack_args :
+ default_index_pack_args);
+
+ if (preq->preserve_index_pack_stdout)
+ ip.out = 0;
+ else
+ ip.no_stdout = 1;
if (run_command(&ip)) {
- unlink(preq->tmpfile.buf);
- unlink(tmp_idx);
- free(tmp_idx);
- return -1;
+ ret = -1;
+ goto cleanup;
}
- unlink(sha1_pack_index_name(p->sha1));
+cleanup:
+ close(tmpfile_fd);
+ unlink(preq->tmpfile.buf);
+ return ret;
+}
- if (finalize_object_file(preq->tmpfile.buf, sha1_pack_name(p->sha1))
- || finalize_object_file(tmp_idx, sha1_pack_index_name(p->sha1))) {
- free(tmp_idx);
- return -1;
- }
+void http_install_packfile(struct packed_git *p,
+ struct packed_git **list_to_remove_from)
+{
+ struct packed_git **lst = list_to_remove_from;
+
+ while (*lst != p)
+ lst = &((*lst)->next);
+ *lst = (*lst)->next;
install_packed_git(the_repository, p);
- free(tmp_idx);
- return 0;
}
struct http_pack_request *new_http_pack_request(
- struct packed_git *target, const char *base_url)
+ const unsigned char *packed_git_hash, const char *base_url) {
+
+ struct strbuf buf = STRBUF_INIT;
+
+ end_url_with_slash(&buf, base_url);
+ strbuf_addf(&buf, "objects/pack/pack-%s.pack",
+ hash_to_hex(packed_git_hash));
+ return new_direct_http_pack_request(packed_git_hash,
+ strbuf_detach(&buf, NULL));
+}
+
+struct http_pack_request *new_direct_http_pack_request(
+ const unsigned char *packed_git_hash, char *url)
{
off_t prev_posn = 0;
- struct strbuf buf = STRBUF_INIT;
struct http_pack_request *preq;
- preq = xcalloc(1, sizeof(*preq));
+ CALLOC_ARRAY(preq, 1);
strbuf_init(&preq->tmpfile, 0);
- preq->target = target;
- end_url_with_slash(&buf, base_url);
- strbuf_addf(&buf, "objects/pack/pack-%s.pack",
- sha1_to_hex(target->sha1));
- preq->url = strbuf_detach(&buf, NULL);
+ preq->url = url;
- strbuf_addf(&preq->tmpfile, "%s.temp", sha1_pack_name(target->sha1));
+ strbuf_addf(&preq->tmpfile, "%s.temp", sha1_pack_name(packed_git_hash));
preq->packfile = fopen(preq->tmpfile.buf, "a");
if (!preq->packfile) {
error("Unable to open local file %s for pack",
@@ -2162,7 +2412,7 @@ struct http_pack_request *new_http_pack_request(
}
preq->slot = get_active_slot();
- curl_easy_setopt(preq->slot->curl, CURLOPT_FILE, preq->packfile);
+ curl_easy_setopt(preq->slot->curl, CURLOPT_WRITEDATA, preq->packfile);
curl_easy_setopt(preq->slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
curl_easy_setopt(preq->slot->curl, CURLOPT_URL, preq->url);
curl_easy_setopt(preq->slot->curl, CURLOPT_HTTPHEADER,
@@ -2177,7 +2427,8 @@ struct http_pack_request *new_http_pack_request(
if (http_is_verbose)
fprintf(stderr,
"Resuming fetch of pack %s at byte %"PRIuMAX"\n",
- sha1_to_hex(target->sha1), (uintmax_t)prev_posn);
+ hash_to_hex(packed_git_hash),
+ (uintmax_t)prev_posn);
http_opt_request_remainder(preq->slot->curl, prev_posn);
}
@@ -2207,14 +2458,14 @@ static size_t fwrite_sha1_file(char *ptr, size_t eltsize, size_t nmemb,
BUG("curl_easy_getinfo for HTTP code failed: %s",
curl_easy_strerror(c));
if (slot->http_code >= 300)
- return size;
+ return nmemb;
}
do {
ssize_t retval = xwrite(freq->localfile,
(char *) ptr + posn, size - posn);
if (retval < 0)
- return posn;
+ return posn / eltsize;
posn += retval;
} while (posn < size);
@@ -2224,16 +2475,16 @@ static size_t fwrite_sha1_file(char *ptr, size_t eltsize, size_t nmemb,
freq->stream.next_out = expn;
freq->stream.avail_out = sizeof(expn);
freq->zret = git_inflate(&freq->stream, Z_SYNC_FLUSH);
- git_SHA1_Update(&freq->c, expn,
- sizeof(expn) - freq->stream.avail_out);
+ the_hash_algo->update_fn(&freq->c, expn,
+ sizeof(expn) - freq->stream.avail_out);
} while (freq->stream.avail_in && freq->zret == Z_OK);
- return size;
+ return nmemb;
}
struct http_object_request *new_http_object_request(const char *base_url,
- unsigned char *sha1)
+ const struct object_id *oid)
{
- char *hex = sha1_to_hex(sha1);
+ char *hex = oid_to_hex(oid);
struct strbuf filename = STRBUF_INIT;
struct strbuf prevfile = STRBUF_INIT;
int prevlocal;
@@ -2242,12 +2493,12 @@ struct http_object_request *new_http_object_request(const char *base_url,
off_t prev_posn = 0;
struct http_object_request *freq;
- freq = xcalloc(1, sizeof(*freq));
+ CALLOC_ARRAY(freq, 1);
strbuf_init(&freq->tmpfile, 0);
- hashcpy(freq->sha1, sha1);
+ oidcpy(&freq->oid, oid);
freq->localfile = -1;
- sha1_file_name(the_repository, &filename, sha1);
+ loose_object_path(the_repository, &filename, oid);
strbuf_addf(&freq->tmpfile, "%s.temp", filename.buf);
strbuf_addf(&prevfile, "%s.prev", filename.buf);
@@ -2283,7 +2534,7 @@ struct http_object_request *new_http_object_request(const char *base_url,
git_inflate_init(&freq->stream);
- git_SHA1_Init(&freq->c);
+ the_hash_algo->init_fn(&freq->c);
freq->url = get_remote_object_url(base_url, hex, 0);
@@ -2318,7 +2569,7 @@ struct http_object_request *new_http_object_request(const char *base_url,
if (prev_read == -1) {
memset(&freq->stream, 0, sizeof(freq->stream));
git_inflate_init(&freq->stream);
- git_SHA1_Init(&freq->c);
+ the_hash_algo->init_fn(&freq->c);
if (prev_posn>0) {
prev_posn = 0;
lseek(freq->localfile, 0, SEEK_SET);
@@ -2332,7 +2583,7 @@ struct http_object_request *new_http_object_request(const char *base_url,
freq->slot = get_active_slot();
- curl_easy_setopt(freq->slot->curl, CURLOPT_FILE, freq);
+ curl_easy_setopt(freq->slot->curl, CURLOPT_WRITEDATA, freq);
curl_easy_setopt(freq->slot->curl, CURLOPT_FAILONERROR, 0);
curl_easy_setopt(freq->slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file);
curl_easy_setopt(freq->slot->curl, CURLOPT_ERRORBUFFER, freq->errorstr);
@@ -2362,7 +2613,7 @@ abort:
void process_http_object_request(struct http_object_request *freq)
{
- if (freq->slot == NULL)
+ if (!freq->slot)
return;
freq->curl_result = freq->slot->curl_result;
freq->http_code = freq->slot->http_code;
@@ -2389,16 +2640,16 @@ int finish_http_object_request(struct http_object_request *freq)
}
git_inflate_end(&freq->stream);
- git_SHA1_Final(freq->real_sha1, &freq->c);
+ the_hash_algo->final_oid_fn(&freq->real_oid, &freq->c);
if (freq->zret != Z_STREAM_END) {
unlink_or_warn(freq->tmpfile.buf);
return -1;
}
- if (hashcmp(freq->sha1, freq->real_sha1)) {
+ if (!oideq(&freq->oid, &freq->real_oid)) {
unlink_or_warn(freq->tmpfile.buf);
return -1;
}
- sha1_file_name(the_repository, &filename, freq->sha1);
+ loose_object_path(the_repository, &filename, &freq->oid);
freq->rename = finalize_object_file(freq->tmpfile.buf, filename.buf);
strbuf_release(&filename);
@@ -2418,10 +2669,8 @@ void release_http_object_request(struct http_object_request *freq)
close(freq->localfile);
freq->localfile = -1;
}
- if (freq->url != NULL) {
- FREE_AND_NULL(freq->url);
- }
- if (freq->slot != NULL) {
+ FREE_AND_NULL(freq->url);
+ if (freq->slot) {
freq->slot->callback_func = NULL;
freq->slot->callback_data = NULL;
release_active_slot(freq->slot);
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-16 02:47:06 +0000