diff options
Diffstat (limited to 'http.c')
-rw-r--r-- | http.c | 229 |
1 files changed, 159 insertions, 70 deletions
@@ -12,8 +12,13 @@ #include "gettext.h" #include "transport.h" #include "packfile.h" +#include "protocol.h" +#include "string-list.h" +#include "object-store.h" 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 long int git_curl_ipresolve = CURL_IPRESOLVE_WHATEVER; #else @@ -58,6 +63,9 @@ static struct { { "tlsv1.1", CURL_SSLVERSION_TLSv1_1 }, { "tlsv1.2", CURL_SSLVERSION_TLSv1_2 }, #endif +#if LIBCURL_VERSION_NUM >= 0x073400 + { "tlsv1.3", CURL_SSLVERSION_TLSv1_3 }, +#endif }; #if LIBCURL_VERSION_NUM >= 0x070903 static const char *ssl_key; @@ -65,6 +73,9 @@ static const char *ssl_key; #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 static const char *ssl_pinnedkey; #endif @@ -73,7 +84,6 @@ static long curl_low_speed_limit = -1; static long curl_low_speed_time = -1; static int curl_ftp_no_epsv; static const char *curl_http_proxy; -static const char *curl_no_proxy; static const char *http_proxy_authmethod; static struct { const char *name; @@ -574,6 +584,54 @@ 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)) { + struct strbuf redacted_header = STRBUF_INIT; + 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; + + while (cookie) { + char *equals; + char *semicolon = strstr(cookie, "; "); + if (semicolon) + *semicolon = 0; + equals = strchrnul(cookie, '='); + if (!equals) { + /* invalid cookie, just append and continue */ + 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); + } + if (semicolon) { + /* + * There are more cookies. (Or, for some + * reason, the input string ends in "; ".) + */ + strbuf_addstr(&redacted_header, "; "); + cookie = semicolon + strlen("; "); + } else { + cookie = NULL; + } + } + + strbuf_setlen(header, sensitive_header - header->buf); + strbuf_addbuf(header, &redacted_header); } } @@ -644,24 +702,32 @@ static int curl_trace(CURL *handle, curl_infotype type, char *data, size_t size, curl_dump_header(text, (unsigned char *)data, size, DO_FILTER); break; case CURLINFO_DATA_OUT: - text = "=> Send data"; - curl_dump_data(text, (unsigned char *)data, size); + if (trace_curl_data) { + text = "=> Send data"; + curl_dump_data(text, (unsigned char *)data, size); + } break; case CURLINFO_SSL_DATA_OUT: - text = "=> Send SSL data"; - curl_dump_data(text, (unsigned char *)data, size); + if (trace_curl_data) { + text = "=> Send SSL data"; + curl_dump_data(text, (unsigned char *)data, size); + } break; case CURLINFO_HEADER_IN: text = "<= Recv header"; curl_dump_header(text, (unsigned char *)data, size, NO_FILTER); break; case CURLINFO_DATA_IN: - text = "<= Recv data"; - curl_dump_data(text, (unsigned char *)data, size); + if (trace_curl_data) { + text = "<= Recv data"; + curl_dump_data(text, (unsigned char *)data, size); + } break; case CURLINFO_SSL_DATA_IN: - text = "<= Recv SSL data"; - curl_dump_data(text, (unsigned char *)data, size); + if (trace_curl_data) { + text = "<= Recv SSL data"; + curl_dump_data(text, (unsigned char *)data, size); + } break; default: /* we ignore unknown types by default */ @@ -806,6 +872,13 @@ static CURL *get_curl_handle(void) if (getenv("GIT_CURL_VERBOSE")) curl_easy_setopt(result, CURLOPT_VERBOSE, 1L); 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); + } curl_easy_setopt(result, CURLOPT_USERAGENT, user_agent ? user_agent : git_user_agent()); @@ -865,6 +938,11 @@ static CURL *get_curl_handle(void) 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); +#endif if (strstr(curl_http_proxy, "://")) credential_from_url(&proxy_auth, curl_http_proxy); else { @@ -1171,14 +1249,14 @@ static struct fill_chain *fill_cfg; void add_fill_function(void *data, int (*fill)(void *)) { - struct fill_chain *new = xmalloc(sizeof(*new)); + struct fill_chain *new_fill = xmalloc(sizeof(*new_fill)); struct fill_chain **linkp = &fill_cfg; - new->data = data; - new->fill = fill; - new->next = NULL; + new_fill->data = data; + new_fill->fill = fill; + new_fill->next = NULL; while (*linkp) linkp = &(*linkp)->next; - *linkp = new; + *linkp = new_fill; } void fill_active_slots(void) @@ -1700,9 +1778,17 @@ static int http_request(const char *url, headers = curl_slist_append(headers, buf.buf); + /* Add additional headers here */ + if (options && options->extra_headers) { + const struct string_list_item *item; + for_each_string_list_item(item, options->extra_headers) { + headers = curl_slist_append(headers, item->string); + } + } + curl_easy_setopt(slot->curl, CURLOPT_URL, url); curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers); - curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "gzip"); + curl_easy_setopt(slot->curl, CURLOPT_ENCODING, ""); ret = run_one_slot(slot, &results); @@ -1760,7 +1846,7 @@ static int update_url_from_redirect(struct strbuf *base, return 0; if (!skip_prefix(asked, base->buf, &tail)) - die("BUG: update_url_from_redirect: %s is not a superset of %s", + BUG("update_url_from_redirect: %s is not a superset of %s", asked, base->buf); new_len = got->len; @@ -1808,7 +1894,7 @@ static int http_request_reauth(const char *url, strbuf_reset(result); break; default: - die("BUG: HTTP_KEEP_ERROR is only supported with strbufs"); + BUG("HTTP_KEEP_ERROR is only supported with strbufs"); } } @@ -1952,7 +2038,8 @@ int http_get_info_packs(const char *base_url, struct packed_git **packs_head) int ret = 0, i = 0; char *url, *data; struct strbuf buf = STRBUF_INIT; - unsigned char sha1[20]; + unsigned char hash[GIT_MAX_RAWSZ]; + const unsigned hexsz = the_hash_algo->hexsz; end_url_with_slash(&buf, base_url); strbuf_addstr(&buf, "objects/info/packs"); @@ -1968,13 +2055,13 @@ int http_get_info_packs(const char *base_url, struct packed_git **packs_head) switch (data[i]) { case 'P': i++; - if (i + 52 <= buf.len && + if (i + hexsz + 12 <= buf.len && starts_with(data + i, " pack-") && - starts_with(data + i + 46, ".pack\n")) { - get_sha1_hex(data + i + 6, sha1); - fetch_and_setup_pack_index(packs_head, sha1, + 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 += 51; + i += hexsz + 11; break; } default: @@ -1996,6 +2083,7 @@ void release_http_pack_request(struct http_pack_request *preq) preq->packfile = NULL; } preq->slot = NULL; + strbuf_release(&preq->tmpfile); free(preq->url); free(preq); } @@ -2007,7 +2095,6 @@ int finish_http_pack_request(struct http_pack_request *preq) char *tmp_idx; size_t len; struct child_process ip = CHILD_PROCESS_INIT; - const char *ip_argv[8]; close_pack_index(p); @@ -2019,23 +2106,19 @@ int finish_http_pack_request(struct http_pack_request *preq) lst = &((*lst)->next); *lst = (*lst)->next; - if (!strip_suffix(preq->tmpfile, ".pack.temp", &len)) - die("BUG: pack tmpfile does not end in .pack.temp?"); - tmp_idx = xstrfmt("%.*s.idx.temp", (int)len, preq->tmpfile); - - ip_argv[0] = "index-pack"; - ip_argv[1] = "-o"; - ip_argv[2] = tmp_idx; - ip_argv[3] = preq->tmpfile; - ip_argv[4] = NULL; + 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); - ip.argv = ip_argv; + 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; if (run_command(&ip)) { - unlink(preq->tmpfile); + unlink(preq->tmpfile.buf); unlink(tmp_idx); free(tmp_idx); return -1; @@ -2043,13 +2126,13 @@ int finish_http_pack_request(struct http_pack_request *preq) unlink(sha1_pack_index_name(p->sha1)); - if (finalize_object_file(preq->tmpfile, sha1_pack_name(p->sha1)) + 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; } - install_packed_git(p); + install_packed_git(the_repository, p); free(tmp_idx); return 0; } @@ -2062,6 +2145,7 @@ struct http_pack_request *new_http_pack_request( struct http_pack_request *preq; preq = xcalloc(1, sizeof(*preq)); + strbuf_init(&preq->tmpfile, 0); preq->target = target; end_url_with_slash(&buf, base_url); @@ -2069,12 +2153,11 @@ struct http_pack_request *new_http_pack_request( sha1_to_hex(target->sha1)); preq->url = strbuf_detach(&buf, NULL); - snprintf(preq->tmpfile, sizeof(preq->tmpfile), "%s.temp", - sha1_pack_name(target->sha1)); - preq->packfile = fopen(preq->tmpfile, "a"); + strbuf_addf(&preq->tmpfile, "%s.temp", sha1_pack_name(target->sha1)); + preq->packfile = fopen(preq->tmpfile.buf, "a"); if (!preq->packfile) { error("Unable to open local file %s for pack", - preq->tmpfile); + preq->tmpfile.buf); goto abort; } @@ -2101,6 +2184,7 @@ struct http_pack_request *new_http_pack_request( return preq; abort: + strbuf_release(&preq->tmpfile); free(preq->url); free(preq); return NULL; @@ -2120,7 +2204,7 @@ static size_t fwrite_sha1_file(char *ptr, size_t eltsize, size_t nmemb, CURLcode c = curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE, &slot->http_code); if (c != CURLE_OK) - die("BUG: curl_easy_getinfo for HTTP code failed: %s", + BUG("curl_easy_getinfo for HTTP code failed: %s", curl_easy_strerror(c)); if (slot->http_code >= 300) return size; @@ -2150,8 +2234,8 @@ struct http_object_request *new_http_object_request(const char *base_url, unsigned char *sha1) { char *hex = sha1_to_hex(sha1); - const char *filename; - char prevfile[PATH_MAX]; + struct strbuf filename = STRBUF_INIT; + struct strbuf prevfile = STRBUF_INIT; int prevlocal; char prev_buf[PREV_BUF_SIZE]; ssize_t prev_read = 0; @@ -2159,39 +2243,41 @@ struct http_object_request *new_http_object_request(const char *base_url, struct http_object_request *freq; freq = xcalloc(1, sizeof(*freq)); + strbuf_init(&freq->tmpfile, 0); hashcpy(freq->sha1, sha1); freq->localfile = -1; - filename = sha1_file_name(sha1); - snprintf(freq->tmpfile, sizeof(freq->tmpfile), - "%s.temp", filename); + sha1_file_name(the_repository, &filename, sha1); + strbuf_addf(&freq->tmpfile, "%s.temp", filename.buf); - snprintf(prevfile, sizeof(prevfile), "%s.prev", filename); - unlink_or_warn(prevfile); - rename(freq->tmpfile, prevfile); - unlink_or_warn(freq->tmpfile); + strbuf_addf(&prevfile, "%s.prev", filename.buf); + unlink_or_warn(prevfile.buf); + rename(freq->tmpfile.buf, prevfile.buf); + unlink_or_warn(freq->tmpfile.buf); + strbuf_release(&filename); if (freq->localfile != -1) error("fd leakage in start: %d", freq->localfile); - freq->localfile = open(freq->tmpfile, + freq->localfile = open(freq->tmpfile.buf, O_WRONLY | O_CREAT | O_EXCL, 0666); /* * This could have failed due to the "lazy directory creation"; * try to mkdir the last path component. */ if (freq->localfile < 0 && errno == ENOENT) { - char *dir = strrchr(freq->tmpfile, '/'); + char *dir = strrchr(freq->tmpfile.buf, '/'); if (dir) { *dir = 0; - mkdir(freq->tmpfile, 0777); + mkdir(freq->tmpfile.buf, 0777); *dir = '/'; } - freq->localfile = open(freq->tmpfile, + freq->localfile = open(freq->tmpfile.buf, O_WRONLY | O_CREAT | O_EXCL, 0666); } if (freq->localfile < 0) { - error_errno("Couldn't create temporary file %s", freq->tmpfile); + error_errno("Couldn't create temporary file %s", + freq->tmpfile.buf); goto abort; } @@ -2205,7 +2291,7 @@ struct http_object_request *new_http_object_request(const char *base_url, * If a previous temp file is present, process what was already * fetched. */ - prevlocal = open(prevfile, O_RDONLY); + prevlocal = open(prevfile.buf, O_RDONLY); if (prevlocal != -1) { do { prev_read = xread(prevlocal, prev_buf, PREV_BUF_SIZE); @@ -2222,7 +2308,8 @@ struct http_object_request *new_http_object_request(const char *base_url, } while (prev_read > 0); close(prevlocal); } - unlink_or_warn(prevfile); + unlink_or_warn(prevfile.buf); + strbuf_release(&prevfile); /* * Reset inflate/SHA1 if there was an error reading the previous temp @@ -2237,7 +2324,7 @@ struct http_object_request *new_http_object_request(const char *base_url, lseek(freq->localfile, 0, SEEK_SET); if (ftruncate(freq->localfile, 0) < 0) { error_errno("Couldn't truncate temporary file %s", - freq->tmpfile); + freq->tmpfile.buf); goto abort; } } @@ -2267,6 +2354,7 @@ struct http_object_request *new_http_object_request(const char *base_url, return freq; abort: + strbuf_release(&prevfile); free(freq->url); free(freq); return NULL; @@ -2284,6 +2372,7 @@ void process_http_object_request(struct http_object_request *freq) int finish_http_object_request(struct http_object_request *freq) { struct stat st; + struct strbuf filename = STRBUF_INIT; close(freq->localfile); freq->localfile = -1; @@ -2293,31 +2382,32 @@ int finish_http_object_request(struct http_object_request *freq) if (freq->http_code == 416) { warning("requested range invalid; we may already have all the data."); } else if (freq->curl_result != CURLE_OK) { - if (stat(freq->tmpfile, &st) == 0) + if (stat(freq->tmpfile.buf, &st) == 0) if (st.st_size == 0) - unlink_or_warn(freq->tmpfile); + unlink_or_warn(freq->tmpfile.buf); return -1; } git_inflate_end(&freq->stream); git_SHA1_Final(freq->real_sha1, &freq->c); if (freq->zret != Z_STREAM_END) { - unlink_or_warn(freq->tmpfile); + unlink_or_warn(freq->tmpfile.buf); return -1; } - if (hashcmp(freq->sha1, freq->real_sha1)) { - unlink_or_warn(freq->tmpfile); + if (!hasheq(freq->sha1, freq->real_sha1)) { + unlink_or_warn(freq->tmpfile.buf); return -1; } - freq->rename = - finalize_object_file(freq->tmpfile, sha1_file_name(freq->sha1)); + sha1_file_name(the_repository, &filename, freq->sha1); + freq->rename = finalize_object_file(freq->tmpfile.buf, filename.buf); + strbuf_release(&filename); return freq->rename; } void abort_http_object_request(struct http_object_request *freq) { - unlink_or_warn(freq->tmpfile); + unlink_or_warn(freq->tmpfile.buf); release_http_object_request(freq); } @@ -2328,13 +2418,12 @@ 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); - } + FREE_AND_NULL(freq->url); if (freq->slot != NULL) { freq->slot->callback_func = NULL; freq->slot->callback_data = NULL; release_active_slot(freq->slot); freq->slot = NULL; } + strbuf_release(&freq->tmpfile); } |