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https://github.com/git/git
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![Ivan Frade](/assets/img/avatar_default.png)
http-fetch prints the URL after failing to fetch it. This can be confusing to users (they cannot really do anything with it), and they can share by accident a sensitive URL (e.g. with credentials) while looking for help. Redact the URL unless the GIT_TRACE_REDACT variable is set to false. This mimics the redaction of other sensitive information in git, like the Authorization header in HTTP. Fix also capitalization of previous die() message (must start in lowercase). Signed-off-by: Ivan Frade <ifrade@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
165 lines
4.2 KiB
C
165 lines
4.2 KiB
C
#include "cache.h"
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#include "config.h"
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#include "exec-cmd.h"
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#include "http.h"
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#include "walker.h"
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#include "strvec.h"
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#include "urlmatch.h"
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static const char http_fetch_usage[] = "git http-fetch "
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"[-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin | --packfile=hash | commit-id] url";
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static int fetch_using_walker(const char *raw_url, int get_verbosely,
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int get_recover, int commits, char **commit_id,
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const char **write_ref, int commits_on_stdin)
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{
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char *url = NULL;
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struct walker *walker;
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int rc;
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str_end_url_with_slash(raw_url, &url);
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http_init(NULL, url, 0);
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walker = get_http_walker(url);
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walker->get_verbosely = get_verbosely;
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walker->get_recover = get_recover;
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walker->get_progress = 0;
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rc = walker_fetch(walker, commits, commit_id, write_ref, url);
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if (commits_on_stdin)
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walker_targets_free(commits, commit_id, write_ref);
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if (walker->corrupt_object_found) {
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fprintf(stderr,
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"Some loose object were found to be corrupt, but they might be just\n"
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"a false '404 Not Found' error message sent with incorrect HTTP\n"
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"status code. Suggest running 'git fsck'.\n");
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}
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walker_free(walker);
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http_cleanup();
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free(url);
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return rc;
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}
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static void fetch_single_packfile(struct object_id *packfile_hash,
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const char *url,
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const char **index_pack_args) {
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struct http_pack_request *preq;
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struct slot_results results;
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int ret;
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http_init(NULL, url, 0);
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preq = new_direct_http_pack_request(packfile_hash->hash, xstrdup(url));
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if (preq == NULL)
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die("couldn't create http pack request");
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preq->slot->results = &results;
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preq->index_pack_args = index_pack_args;
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preq->preserve_index_pack_stdout = 1;
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if (start_active_slot(preq->slot)) {
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run_active_slot(preq->slot);
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if (results.curl_result != CURLE_OK) {
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struct url_info url;
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char *nurl = url_normalize(preq->url, &url);
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if (!nurl || !git_env_bool("GIT_TRACE_REDACT", 1)) {
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die("unable to get pack file '%s'\n%s", preq->url,
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curl_errorstr);
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} else {
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die("failed to get '%.*s' url from '%.*s' "
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"(full URL redacted due to GIT_TRACE_REDACT setting)\n%s",
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(int)url.scheme_len, url.url,
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(int)url.host_len, &url.url[url.host_off], curl_errorstr);
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}
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}
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} else {
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die("Unable to start request");
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}
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if ((ret = finish_http_pack_request(preq)))
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die("finish_http_pack_request gave result %d", ret);
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release_http_pack_request(preq);
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http_cleanup();
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}
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int cmd_main(int argc, const char **argv)
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{
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int commits_on_stdin = 0;
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int commits;
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const char **write_ref = NULL;
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char **commit_id;
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int arg = 1;
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int get_verbosely = 0;
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int get_recover = 0;
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int packfile = 0;
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int nongit;
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struct object_id packfile_hash;
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struct strvec index_pack_args = STRVEC_INIT;
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setup_git_directory_gently(&nongit);
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while (arg < argc && argv[arg][0] == '-') {
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const char *p;
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if (argv[arg][1] == 't') {
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} else if (argv[arg][1] == 'c') {
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} else if (argv[arg][1] == 'a') {
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} else if (argv[arg][1] == 'v') {
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get_verbosely = 1;
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} else if (argv[arg][1] == 'w') {
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write_ref = &argv[arg + 1];
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arg++;
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} else if (argv[arg][1] == 'h') {
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usage(http_fetch_usage);
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} else if (!strcmp(argv[arg], "--recover")) {
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get_recover = 1;
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} else if (!strcmp(argv[arg], "--stdin")) {
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commits_on_stdin = 1;
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} else if (skip_prefix(argv[arg], "--packfile=", &p)) {
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const char *end;
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packfile = 1;
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if (parse_oid_hex(p, &packfile_hash, &end) || *end)
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die(_("argument to --packfile must be a valid hash (got '%s')"), p);
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} else if (skip_prefix(argv[arg], "--index-pack-arg=", &p)) {
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strvec_push(&index_pack_args, p);
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}
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arg++;
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}
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if (argc != arg + 2 - (commits_on_stdin || packfile))
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usage(http_fetch_usage);
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if (nongit)
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die(_("not a git repository"));
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git_config(git_default_config, NULL);
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if (packfile) {
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if (!index_pack_args.nr)
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die(_("--packfile requires --index-pack-args"));
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fetch_single_packfile(&packfile_hash, argv[arg],
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index_pack_args.v);
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return 0;
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}
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if (index_pack_args.nr)
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die(_("--index-pack-args can only be used with --packfile"));
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if (commits_on_stdin) {
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commits = walker_targets_stdin(&commit_id, &write_ref);
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} else {
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commit_id = (char **) &argv[arg++];
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commits = 1;
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}
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return fetch_using_walker(argv[arg], get_verbosely, get_recover,
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commits, commit_id, write_ref,
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commits_on_stdin);
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}
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