http-backend test: make empty CONTENT_LENGTH test more realistic
[gitweb.git] / http.c
diff --git a/http.c b/http.c
index fed13b2169a49aa602fc2ff21d45e368e1734d79..b4bfbceaeb7e58e79cac17f8768a7e36cff3405e 100644 (file)
--- a/http.c
+++ b/http.c
@@ -1788,7 +1788,7 @@ 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, "gzip");
+       curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "");
 
        ret = run_one_slot(slot, &results);
 
@@ -1846,7 +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;
@@ -1894,7 +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");
                }
        }
 
@@ -2038,7 +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");
@@ -2054,13 +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:
@@ -2082,6 +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);
 }
@@ -2104,19 +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);
+       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);
 
        argv_array_push(&ip.args, "index-pack");
        argv_array_pushl(&ip.args, "-o", tmp_idx, NULL);
-       argv_array_push(&ip.args, preq->tmpfile);
+       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;
@@ -2124,7 +2126,7 @@ 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;
@@ -2143,6 +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);
@@ -2150,12 +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;
        }
 
@@ -2182,6 +2184,7 @@ struct http_pack_request *new_http_pack_request(
        return preq;
 
 abort:
+       strbuf_release(&preq->tmpfile);
        free(preq->url);
        free(preq);
        return NULL;
@@ -2201,7 +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;
@@ -2232,7 +2235,7 @@ struct http_object_request *new_http_object_request(const char *base_url,
 {
        char *hex = sha1_to_hex(sha1);
        struct strbuf filename = STRBUF_INIT;
-       char prevfile[PATH_MAX];
+       struct strbuf prevfile = STRBUF_INIT;
        int prevlocal;
        char prev_buf[PREV_BUF_SIZE];
        ssize_t prev_read = 0;
@@ -2240,40 +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;
 
        sha1_file_name(the_repository, &filename, sha1);
-       snprintf(freq->tmpfile, sizeof(freq->tmpfile),
-                "%s.temp", filename.buf);
+       strbuf_addf(&freq->tmpfile, "%s.temp", filename.buf);
 
-       snprintf(prevfile, sizeof(prevfile), "%s.prev", filename.buf);
-       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;
        }
 
@@ -2287,7 +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);
@@ -2304,7 +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
@@ -2319,7 +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;
                        }
                }
@@ -2349,6 +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;
@@ -2376,24 +2382,24 @@ 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);
+               unlink_or_warn(freq->tmpfile.buf);
                return -1;
        }
        sha1_file_name(the_repository, &filename, freq->sha1);
-       freq->rename = finalize_object_file(freq->tmpfile, filename.buf);
+       freq->rename = finalize_object_file(freq->tmpfile.buf, filename.buf);
        strbuf_release(&filename);
 
        return freq->rename;
@@ -2401,7 +2407,7 @@ int finish_http_object_request(struct http_object_request *freq)
 
 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);
 }
@@ -2421,4 +2427,5 @@ void release_http_object_request(struct http_object_request *freq)
                release_active_slot(freq->slot);
                freq->slot = NULL;
        }
+       strbuf_release(&freq->tmpfile);
 }