4 #include <sys/socket.h>
8 #define COMMAND_SIZE 4096
10 int setup_connection(int *fd_in, int *fd_out, char *remote_prog,
11 char *url, int rmt_argc, char **rmt_argv)
16 char command[COMMAND_SIZE];
20 if (!strcmp(url, "-")) {
26 host = strstr(url, "//");
28 return error("Bad URL: %s", url);
31 path = strchr(host, '/');
33 return error("Bad URL: %s", url);
36 /* ssh <host> 'cd /<path>; stdio-pull <arg...> <commit-id>' */
37 snprintf(command, COMMAND_SIZE,
38 "cd /%s; SHA1_FILE_DIRECTORY=objects %s",
40 posn = command + strlen(command);
41 for (i = 0; i < rmt_argc; i++) {
43 strncpy(posn, rmt_argv[i], COMMAND_SIZE - (posn - command));
44 posn += strlen(rmt_argv[i]);
45 if (posn - command + 4 >= COMMAND_SIZE) {
46 return error("Command line too long");
50 if (socketpair(AF_LOCAL, SOCK_STREAM, 0, sv)) {
51 return error("Couldn't create socket");
57 execlp("ssh", "ssh", host, command, NULL);