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a2e2c04683
$GIT_DIR may in some cases be normalized with all symlinks resolved while "gitdir" path expansion in the pattern does not receive the same treatment, leading to incorrect mismatch. This has been fixed. * nd/conditional-config-include: config: resolve symlinks in conditional include's patterns path.c: and an option to call real_path() in expand_user_path()
136 lines
3.2 KiB
C
136 lines
3.2 KiB
C
#include "cache.h"
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#include "credential.h"
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#include "string-list.h"
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#include "parse-options.h"
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#include "unix-socket.h"
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#include "run-command.h"
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#define FLAG_SPAWN 0x1
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#define FLAG_RELAY 0x2
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static int send_request(const char *socket, const struct strbuf *out)
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{
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int got_data = 0;
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int fd = unix_stream_connect(socket);
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if (fd < 0)
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return -1;
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if (write_in_full(fd, out->buf, out->len) < 0)
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die_errno("unable to write to cache daemon");
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shutdown(fd, SHUT_WR);
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while (1) {
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char in[1024];
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int r;
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r = read_in_full(fd, in, sizeof(in));
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if (r == 0)
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break;
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if (r < 0)
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die_errno("read error from cache daemon");
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write_or_die(1, in, r);
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got_data = 1;
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}
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close(fd);
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return got_data;
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}
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static void spawn_daemon(const char *socket)
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{
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struct child_process daemon = CHILD_PROCESS_INIT;
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const char *argv[] = { NULL, NULL, NULL };
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char buf[128];
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int r;
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argv[0] = "git-credential-cache--daemon";
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argv[1] = socket;
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daemon.argv = argv;
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daemon.no_stdin = 1;
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daemon.out = -1;
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if (start_command(&daemon))
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die_errno("unable to start cache daemon");
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r = read_in_full(daemon.out, buf, sizeof(buf));
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if (r < 0)
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die_errno("unable to read result code from cache daemon");
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if (r != 3 || memcmp(buf, "ok\n", 3))
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die("cache daemon did not start: %.*s", r, buf);
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close(daemon.out);
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}
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static void do_cache(const char *socket, const char *action, int timeout,
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int flags)
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{
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struct strbuf buf = STRBUF_INIT;
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strbuf_addf(&buf, "action=%s\n", action);
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strbuf_addf(&buf, "timeout=%d\n", timeout);
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if (flags & FLAG_RELAY) {
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if (strbuf_read(&buf, 0, 0) < 0)
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die_errno("unable to relay credential");
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}
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if (send_request(socket, &buf) < 0) {
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if (errno != ENOENT && errno != ECONNREFUSED)
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die_errno("unable to connect to cache daemon");
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if (flags & FLAG_SPAWN) {
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spawn_daemon(socket);
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if (send_request(socket, &buf) < 0)
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die_errno("unable to connect to cache daemon");
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}
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}
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strbuf_release(&buf);
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}
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static char *get_socket_path(void)
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{
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struct stat sb;
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char *old_dir, *socket;
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old_dir = expand_user_path("~/.git-credential-cache", 0);
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if (old_dir && !stat(old_dir, &sb) && S_ISDIR(sb.st_mode))
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socket = xstrfmt("%s/socket", old_dir);
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else
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socket = xdg_cache_home("credential/socket");
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free(old_dir);
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return socket;
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}
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int cmd_main(int argc, const char **argv)
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{
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char *socket_path = NULL;
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int timeout = 900;
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const char *op;
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const char * const usage[] = {
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"git credential-cache [<options>] <action>",
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NULL
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};
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struct option options[] = {
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OPT_INTEGER(0, "timeout", &timeout,
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"number of seconds to cache credentials"),
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OPT_STRING(0, "socket", &socket_path, "path",
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"path of cache-daemon socket"),
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OPT_END()
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};
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argc = parse_options(argc, argv, NULL, options, usage, 0);
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if (!argc)
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usage_with_options(usage, options);
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op = argv[0];
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if (!socket_path)
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socket_path = get_socket_path();
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if (!socket_path)
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die("unable to find a suitable socket path; use --socket");
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if (!strcmp(op, "exit"))
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do_cache(socket_path, op, timeout, 0);
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else if (!strcmp(op, "get") || !strcmp(op, "erase"))
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do_cache(socket_path, op, timeout, FLAG_RELAY);
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else if (!strcmp(op, "store"))
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do_cache(socket_path, op, timeout, FLAG_RELAY|FLAG_SPAWN);
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else
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; /* ignore unknown operation */
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return 0;
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}
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