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Merge branch 'jc/http'
* jc/http: Add WEBDAV timeout to http-fetch.
This commit is contained in:
Junio C Hamano
commit
0a246571d4
257
http-fetch.c
257
http-fetch.c
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@ -4,35 +4,6 @@
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#include "fetch.h"
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#include "http.h"
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#ifndef NO_EXPAT
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#include <expat.h>
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/* Definitions for DAV requests */
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#define DAV_PROPFIND "PROPFIND"
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#define DAV_PROPFIND_RESP ".multistatus.response"
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#define DAV_PROPFIND_NAME ".multistatus.response.href"
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#define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection"
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#define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>"
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/* Definitions for processing XML DAV responses */
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#ifndef XML_STATUS_OK
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enum XML_Status {
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XML_STATUS_OK = 1,
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XML_STATUS_ERROR = 0
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};
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#define XML_STATUS_OK 1
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#define XML_STATUS_ERROR 0
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#endif
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/* Flags that control remote_ls processing */
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#define PROCESS_FILES (1u << 0)
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#define PROCESS_DIRS (1u << 1)
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#define RECURSIVE (1u << 2)
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/* Flags that remote_ls passes to callback functions */
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#define IS_DIR (1u << 0)
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#endif
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#define PREV_BUF_SIZE 4096
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#define RANGE_HEADER_SIZE 30
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@ -90,30 +61,6 @@ struct alternates_request {
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int http_specific;
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};
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#ifndef NO_EXPAT
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struct xml_ctx
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{
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char *name;
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int len;
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char *cdata;
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void (*userFunc)(struct xml_ctx *ctx, int tag_closed);
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void *userData;
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};
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struct remote_ls_ctx
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{
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struct alt_base *repo;
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char *path;
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void (*userFunc)(struct remote_ls_ctx *ls);
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void *userData;
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int flags;
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char *dentry_name;
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int dentry_flags;
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int rc;
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struct remote_ls_ctx *parent;
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};
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#endif
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static struct object_request *object_queue_head;
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static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb,
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@ -714,204 +661,6 @@ static void fetch_alternates(const char *base)
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free(url);
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}
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#ifndef NO_EXPAT
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static void
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xml_start_tag(void *userData, const char *name, const char **atts)
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{
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struct xml_ctx *ctx = (struct xml_ctx *)userData;
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const char *c = strchr(name, ':');
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int new_len;
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if (c == NULL)
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c = name;
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else
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c++;
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new_len = strlen(ctx->name) + strlen(c) + 2;
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if (new_len > ctx->len) {
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ctx->name = xrealloc(ctx->name, new_len);
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ctx->len = new_len;
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}
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strcat(ctx->name, ".");
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strcat(ctx->name, c);
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free(ctx->cdata);
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ctx->cdata = NULL;
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ctx->userFunc(ctx, 0);
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}
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static void
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xml_end_tag(void *userData, const char *name)
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{
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struct xml_ctx *ctx = (struct xml_ctx *)userData;
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const char *c = strchr(name, ':');
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char *ep;
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ctx->userFunc(ctx, 1);
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if (c == NULL)
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c = name;
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else
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c++;
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ep = ctx->name + strlen(ctx->name) - strlen(c) - 1;
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*ep = 0;
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}
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static void
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xml_cdata(void *userData, const XML_Char *s, int len)
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{
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struct xml_ctx *ctx = (struct xml_ctx *)userData;
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free(ctx->cdata);
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ctx->cdata = xmalloc(len + 1);
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strlcpy(ctx->cdata, s, len + 1);
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}
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static int remote_ls(struct alt_base *repo, const char *path, int flags,
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void (*userFunc)(struct remote_ls_ctx *ls),
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void *userData);
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static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed)
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{
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struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData;
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if (tag_closed) {
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if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) {
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if (ls->dentry_flags & IS_DIR) {
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if (ls->flags & PROCESS_DIRS) {
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ls->userFunc(ls);
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}
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if (strcmp(ls->dentry_name, ls->path) &&
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ls->flags & RECURSIVE) {
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ls->rc = remote_ls(ls->repo,
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ls->dentry_name,
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ls->flags,
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ls->userFunc,
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ls->userData);
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}
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} else if (ls->flags & PROCESS_FILES) {
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ls->userFunc(ls);
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}
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} else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) {
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ls->dentry_name = xmalloc(strlen(ctx->cdata) -
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ls->repo->path_len + 1);
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strcpy(ls->dentry_name, ctx->cdata + ls->repo->path_len);
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} else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) {
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ls->dentry_flags |= IS_DIR;
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}
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} else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) {
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free(ls->dentry_name);
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ls->dentry_name = NULL;
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ls->dentry_flags = 0;
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}
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}
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static int remote_ls(struct alt_base *repo, const char *path, int flags,
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void (*userFunc)(struct remote_ls_ctx *ls),
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void *userData)
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{
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char *url = xmalloc(strlen(repo->base) + strlen(path) + 1);
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struct active_request_slot *slot;
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struct slot_results results;
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struct buffer in_buffer;
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struct buffer out_buffer;
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char *in_data;
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char *out_data;
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XML_Parser parser = XML_ParserCreate(NULL);
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enum XML_Status result;
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struct curl_slist *dav_headers = NULL;
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struct xml_ctx ctx;
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struct remote_ls_ctx ls;
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ls.flags = flags;
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ls.repo = repo;
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ls.path = xstrdup(path);
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ls.dentry_name = NULL;
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ls.dentry_flags = 0;
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ls.userData = userData;
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ls.userFunc = userFunc;
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ls.rc = 0;
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sprintf(url, "%s%s", repo->base, path);
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out_buffer.size = strlen(PROPFIND_ALL_REQUEST);
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out_data = xmalloc(out_buffer.size + 1);
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snprintf(out_data, out_buffer.size + 1, PROPFIND_ALL_REQUEST);
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out_buffer.posn = 0;
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out_buffer.buffer = out_data;
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in_buffer.size = 4096;
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in_data = xmalloc(in_buffer.size);
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in_buffer.posn = 0;
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in_buffer.buffer = in_data;
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dav_headers = curl_slist_append(dav_headers, "Depth: 1");
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dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
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slot = get_active_slot();
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slot->results = &results;
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curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
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curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size);
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curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
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curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
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curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
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curl_easy_setopt(slot->curl, CURLOPT_URL, url);
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curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
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curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
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curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
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if (start_active_slot(slot)) {
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run_active_slot(slot);
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if (results.curl_result == CURLE_OK) {
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ctx.name = xcalloc(10, 1);
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ctx.len = 0;
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ctx.cdata = NULL;
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ctx.userFunc = handle_remote_ls_ctx;
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ctx.userData = &ls;
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XML_SetUserData(parser, &ctx);
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XML_SetElementHandler(parser, xml_start_tag,
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xml_end_tag);
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XML_SetCharacterDataHandler(parser, xml_cdata);
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result = XML_Parse(parser, in_buffer.buffer,
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in_buffer.posn, 1);
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free(ctx.name);
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if (result != XML_STATUS_OK) {
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ls.rc = error("XML error: %s",
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XML_ErrorString(
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XML_GetErrorCode(parser)));
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}
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} else {
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ls.rc = -1;
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}
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} else {
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ls.rc = error("Unable to start PROPFIND request");
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}
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free(ls.path);
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free(url);
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free(out_data);
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free(in_buffer.buffer);
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curl_slist_free_all(dav_headers);
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return ls.rc;
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}
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static void process_ls_pack(struct remote_ls_ctx *ls)
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{
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unsigned char sha1[20];
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if (strlen(ls->dentry_name) == 63 &&
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!strncmp(ls->dentry_name, "objects/pack/pack-", 18) &&
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has_extension(ls->dentry_name, ".pack")) {
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get_sha1_hex(ls->dentry_name + 18, sha1);
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setup_index(ls->repo, sha1);
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}
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}
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#endif
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static int fetch_indices(struct alt_base *repo)
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{
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unsigned char sha1[20];
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@ -934,12 +683,6 @@ static int fetch_indices(struct alt_base *repo)
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if (get_verbosely)
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fprintf(stderr, "Getting pack list for %s\n", repo->base);
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#ifndef NO_EXPAT
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if (remote_ls(repo, "objects/pack/", PROCESS_FILES,
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process_ls_pack, NULL) == 0)
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return 0;
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#endif
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url = xmalloc(strlen(repo->base) + 21);
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sprintf(url, "%s/objects/info/packs", repo->base);
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