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![Junio C Hamano](/assets/img/avatar_default.png)
* jk/maint-push-over-dav: http-push: enable "proactive auth" t5540: test DAV push with authentication Conflicts: http.c
188 lines
5.1 KiB
C
188 lines
5.1 KiB
C
#ifndef HTTP_H
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#define HTTP_H
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#include "cache.h"
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#include <curl/curl.h>
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#include <curl/easy.h>
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#include "strbuf.h"
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#include "remote.h"
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#include "url.h"
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/*
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* We detect based on the cURL version if multi-transfer is
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* usable in this implementation and define this symbol accordingly.
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* This is not something Makefile should set nor users should pass
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* via CFLAGS.
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*/
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#undef USE_CURL_MULTI
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#if LIBCURL_VERSION_NUM >= 0x071000
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#define USE_CURL_MULTI
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#define DEFAULT_MAX_REQUESTS 5
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#endif
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#if LIBCURL_VERSION_NUM < 0x070704
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#define curl_global_cleanup() do { /* nothing */ } while (0)
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#endif
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#if LIBCURL_VERSION_NUM < 0x070800
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#define curl_global_init(a) do { /* nothing */ } while (0)
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#endif
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#if (LIBCURL_VERSION_NUM < 0x070c04) || (LIBCURL_VERSION_NUM == 0x071000)
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#define NO_CURL_EASY_DUPHANDLE
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#endif
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#if LIBCURL_VERSION_NUM < 0x070a03
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#define CURLE_HTTP_RETURNED_ERROR CURLE_HTTP_NOT_FOUND
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#endif
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#if LIBCURL_VERSION_NUM < 0x070c03
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#define NO_CURL_IOCTL
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#endif
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struct slot_results {
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CURLcode curl_result;
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long http_code;
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};
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struct active_request_slot {
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CURL *curl;
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int in_use;
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CURLcode curl_result;
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long http_code;
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int *finished;
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struct slot_results *results;
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void *callback_data;
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void (*callback_func)(void *data);
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struct active_request_slot *next;
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};
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struct buffer {
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struct strbuf buf;
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size_t posn;
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};
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/* Curl request read/write callbacks */
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extern size_t fread_buffer(char *ptr, size_t eltsize, size_t nmemb, void *strbuf);
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extern size_t fwrite_buffer(char *ptr, size_t eltsize, size_t nmemb, void *strbuf);
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extern size_t fwrite_null(char *ptr, size_t eltsize, size_t nmemb, void *strbuf);
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#ifndef NO_CURL_IOCTL
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extern curlioerr ioctl_buffer(CURL *handle, int cmd, void *clientp);
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#endif
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/* Slot lifecycle functions */
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extern struct active_request_slot *get_active_slot(void);
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extern int start_active_slot(struct active_request_slot *slot);
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extern void run_active_slot(struct active_request_slot *slot);
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extern void finish_active_slot(struct active_request_slot *slot);
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extern void finish_all_active_slots(void);
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#ifdef USE_CURL_MULTI
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extern void fill_active_slots(void);
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extern void add_fill_function(void *data, int (*fill)(void *));
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extern void step_active_slots(void);
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#endif
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extern void http_init(struct remote *remote, const char *url,
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int proactive_auth);
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extern void http_cleanup(void);
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extern int active_requests;
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extern int http_is_verbose;
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extern size_t http_post_buffer;
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extern char curl_errorstr[CURL_ERROR_SIZE];
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static inline int missing__target(int code, int result)
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{
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return /* file:// URL -- do we ever use one??? */
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(result == CURLE_FILE_COULDNT_READ_FILE) ||
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/* http:// and https:// URL */
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(code == 404 && result == CURLE_HTTP_RETURNED_ERROR) ||
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/* ftp:// URL */
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(code == 550 && result == CURLE_FTP_COULDNT_RETR_FILE)
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;
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}
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#define missing_target(a) missing__target((a)->http_code, (a)->curl_result)
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/* Helpers for modifying and creating URLs */
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extern void append_remote_object_url(struct strbuf *buf, const char *url,
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const char *hex,
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int only_two_digit_prefix);
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extern char *get_remote_object_url(const char *url, const char *hex,
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int only_two_digit_prefix);
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/* Options for http_request_*() */
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#define HTTP_NO_CACHE 1
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/* Return values for http_request_*() */
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#define HTTP_OK 0
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#define HTTP_MISSING_TARGET 1
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#define HTTP_ERROR 2
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#define HTTP_START_FAILED 3
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#define HTTP_REAUTH 4
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#define HTTP_NOAUTH 5
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/*
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* Requests an url and stores the result in a strbuf.
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*
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* If the result pointer is NULL, a HTTP HEAD request is made instead of GET.
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*/
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int http_get_strbuf(const char *url, struct strbuf *result, int options);
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/*
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* Prints an error message using error() containing url and curl_errorstr,
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* and returns ret.
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*/
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int http_error(const char *url, int ret);
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extern int http_fetch_ref(const char *base, struct ref *ref);
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/* Helpers for fetching packs */
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extern int http_get_info_packs(const char *base_url,
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struct packed_git **packs_head);
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struct http_pack_request {
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char *url;
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struct packed_git *target;
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struct packed_git **lst;
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FILE *packfile;
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char tmpfile[PATH_MAX];
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struct curl_slist *range_header;
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struct active_request_slot *slot;
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};
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extern struct http_pack_request *new_http_pack_request(
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struct packed_git *target, const char *base_url);
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extern int finish_http_pack_request(struct http_pack_request *preq);
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extern void release_http_pack_request(struct http_pack_request *preq);
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/* Helpers for fetching object */
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struct http_object_request {
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char *url;
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char tmpfile[PATH_MAX];
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int localfile;
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CURLcode curl_result;
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char errorstr[CURL_ERROR_SIZE];
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long http_code;
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unsigned char sha1[20];
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unsigned char real_sha1[20];
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git_SHA_CTX c;
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git_zstream stream;
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int zret;
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int rename;
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struct active_request_slot *slot;
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};
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extern struct http_object_request *new_http_object_request(
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const char *base_url, unsigned char *sha1);
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extern void process_http_object_request(struct http_object_request *freq);
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extern int finish_http_object_request(struct http_object_request *freq);
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extern void abort_http_object_request(struct http_object_request *freq);
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extern void release_http_object_request(struct http_object_request *freq);
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#endif /* HTTP_H */
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