2 #include "credential.h"
3 #include "string-list.h"
4 #include "parse-options.h"
5 #include "unix-socket.h"
6 #include "run-command.h"
8 static int send_request(const char *socket, const struct strbuf *out)
11 int fd = unix_stream_connect(socket);
16 if (write_in_full(fd, out->buf, out->len) < 0)
17 die_errno("unable to write to cache daemon");
18 shutdown(fd, SHUT_WR);
24 r = read_in_full(fd, in, sizeof(in));
28 die_errno("read error from cache daemon");
29 write_or_die(1, in, r);
35 static void out_str(struct strbuf *out, const char *key, const char *value)
39 strbuf_addf(out, "%s=%s", key, value);
40 strbuf_addch(out, '\0');
43 static void out_int(struct strbuf *out, const char *key, int value)
45 strbuf_addf(out, "%s=%d", key, value);
46 strbuf_addch(out, '\0');
49 static int do_cache(const char *socket, const char *action,
50 const struct credential *c, int timeout)
52 struct strbuf buf = STRBUF_INIT;
55 out_str(&buf, "action", action);
57 out_str(&buf, "unique", c->unique);
58 out_str(&buf, "username", c->username);
59 out_str(&buf, "password", c->password);
62 out_int(&buf, "timeout", timeout);
64 ret = send_request(socket, &buf);
70 static void spawn_daemon(const char *socket)
72 struct child_process daemon;
73 const char *argv[] = { NULL, NULL, NULL };
77 memset(&daemon, 0, sizeof(daemon));
78 argv[0] = "git-credential-cache--daemon";
84 if (start_command(&daemon))
85 die_errno("unable to start cache daemon");
86 r = read_in_full(daemon.out, buf, sizeof(buf));
88 die_errno("unable to read result code from cache daemon");
89 if (r != 3 || memcmp(buf, "ok\n", 3))
90 die("cache daemon did not start: %.*s", r, buf);
94 int main(int argc, const char **argv)
96 struct credential c = { NULL };
97 char *socket_path = NULL;
99 struct string_list chain = STRING_LIST_INIT_NODUP;
102 const char * const usage[] = {
103 "git credential-cache [options]",
106 struct option options[] = {
107 OPT_BOOLEAN(0, "exit", &exit_mode,
108 "tell a running daemon to exit"),
109 OPT_BOOLEAN(0, "reject", &reject_mode,
110 "reject a cached credential"),
111 OPT_INTEGER(0, "timeout", &timeout,
112 "number of seconds to cache credentials"),
113 OPT_STRING(0, "socket", &socket_path, "path",
114 "path of cache-daemon socket"),
115 OPT_STRING_LIST(0, "chain", &chain, "helper",
116 "use <helper> to get non-cached credentials"),
117 OPT_STRING(0, "username", &c.username, "name",
118 "an existing username"),
119 OPT_STRING(0, "description", &c.description, "desc",
120 "human-readable description of the credential"),
121 OPT_STRING(0, "unique", &c.unique, "token",
122 "a unique context for the credential"),
126 argc = parse_options(argc, argv, NULL, options, usage, 0);
128 usage_with_options(usage, options);
129 /* credential_reject wants to free() these */
131 c.username = xstrdup(c.username);
133 c.password = xstrdup(c.password);
136 socket_path = expand_user_path("~/.git-credential-cache/socket");
138 die("unable to find a suitable socket path; use --socket");
141 do_cache(socket_path, "exit", NULL, -1);
146 do_cache(socket_path, "erase", &c, -1);
147 credential_reject(&c, &chain);
151 if (do_cache(socket_path, "get", &c, -1) > 0)
154 credential_fill(&c, &chain);
155 printf("username=%s\n", c.username);
156 printf("password=%s\n", c.password);
158 if (do_cache(socket_path, "store", &c, timeout) < 0) {
159 spawn_daemon(socket_path);
160 do_cache(socket_path, "store", &c, timeout);