diff options
Diffstat (limited to 'tmux.c')
| -rw-r--r-- | tmux.c | 128 |
1 files changed, 84 insertions, 44 deletions
@@ -1,4 +1,4 @@ -/* $Id: tmux.c,v 1.149 2009-07-23 13:15:41 tcunha Exp $ */ +/* $Id: tmux.c,v 1.150 2009-07-28 22:12:16 tcunha Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> @@ -62,6 +62,8 @@ char *socket_path; __dead void usage(void); char *makesockpath(const char *); +int prepare_unlock(enum hdrtype *, void **, size_t *, int); +int prepare_cmd(enum hdrtype *, void **, size_t *, int, char **); #ifndef HAVE_PROGNAME char *__progname = (char *) "tmux"; @@ -210,18 +212,69 @@ makesockpath(const char *label) } int +prepare_unlock(enum hdrtype *msg, void **buf, size_t *len, int argc) +{ + static struct msg_unlock_data unlockdata; + char *pass; + + if (argc != 0) { + log_warnx("can't specify a command when unlocking"); + return (-1); + } + + if ((pass = getpass("Password: ")) == NULL) + return (-1); + + if (strlen(pass) >= sizeof unlockdata.pass) { + log_warnx("password too long"); + return (-1); + } + + strlcpy(unlockdata.pass, pass, sizeof unlockdata.pass); + memset(pass, 0, strlen(pass)); + + *buf = &unlockdata; + *len = sizeof unlockdata; + + *msg = MSG_UNLOCK; + return (0); +} + +int +prepare_cmd(enum hdrtype *msg, void **buf, size_t *len, int argc, char **argv) +{ + static struct msg_command_data cmddata; + + client_fill_session(&cmddata); + + cmddata.argc = argc; + if (cmd_pack_argv(argc, argv, cmddata.argv, sizeof cmddata.argv) != 0) { + log_warnx("command too long"); + return (-1); + } + + *buf = &cmddata; + *len = sizeof cmddata; + + *msg = MSG_COMMAND; + return (0); +} + +int main(int argc, char **argv) { struct client_ctx cctx; - struct msg_command_data cmddata; - struct buffer *b; struct cmd_list *cmdlist; struct cmd *cmd; struct pollfd pfd; + enum hdrtype msg; struct hdr hdr; struct passwd *pw; - char *s, *path, *label, *cause, *home, *pass = NULL; + struct msg_print_data printdata; + char *s, *path, *label, *home, *cause; char cwd[MAXPATHLEN]; + void *buf; + size_t len; int retcode, opt, flags, unlock, cmdflags = 0; unlock = flags = 0; @@ -373,7 +426,7 @@ main(int argc, char **argv) exit(1); } } - + if (label == NULL) label = xstrdup("default"); if (path == NULL && (path = makesockpath(label)) == NULL) { @@ -392,36 +445,35 @@ main(int argc, char **argv) options_set_string(&global_s_options, "default-path", "%s", cwd); if (unlock) { - if (argc != 0) { - log_warnx("can't specify a command when unlocking"); + if (prepare_unlock(&msg, &buf, &len, argc) != 0) exit(1); - } - cmdlist = NULL; - if ((pass = getpass("Password: ")) == NULL) + } else { + if (prepare_cmd(&msg, &buf, &len, argc, argv) != 0) exit(1); + } + + if (unlock) cmdflags &= ~CMD_STARTSERVER; - } else { - if (argc == 0) { - cmd = xmalloc(sizeof *cmd); - cmd->entry = &cmd_new_session_entry; - cmd->entry->init(cmd, 0); - - cmdlist = xmalloc(sizeof *cmdlist); - TAILQ_INIT(cmdlist); - TAILQ_INSERT_HEAD(cmdlist, cmd, qentry); - } else { - cmdlist = cmd_list_parse(argc, argv, &cause); - if (cmdlist == NULL) { - log_warnx("%s", cause); - exit(1); - } + else if (argc == 0) + cmdflags |= CMD_STARTSERVER; + else { + /* + * It sucks parsing the command string twice (in client and + * later in server) but it is necessary to get the start server + * flag. + */ + if ((cmdlist = cmd_list_parse(argc, argv, &cause)) == NULL) { + log_warnx("%s", cause); + exit(1); } + cmdflags &= ~CMD_STARTSERVER; TAILQ_FOREACH(cmd, cmdlist, qentry) { if (cmd->entry->flags & CMD_STARTSERVER) { cmdflags |= CMD_STARTSERVER; break; } } + cmd_list_free(cmdlist); } memset(&cctx, 0, sizeof cctx); @@ -429,20 +481,8 @@ main(int argc, char **argv) exit(1); xfree(path); - b = buffer_create(BUFSIZ); - if (unlock) { - cmd_send_string(b, pass); - memset(pass, 0, strlen(pass)); - client_write_server( - &cctx, MSG_UNLOCK, BUFFER_OUT(b), BUFFER_USED(b)); - } else { - cmd_list_send(cmdlist, b); - cmd_list_free(cmdlist); - client_fill_session(&cmddata); - client_write_server2(&cctx, MSG_COMMAND, - &cmddata, sizeof cmddata, BUFFER_OUT(b), BUFFER_USED(b)); - } - buffer_destroy(b); + client_write_server(&cctx, msg, buf, len); + memset(buf, 0, len); retcode = 0; for (;;) { @@ -476,12 +516,12 @@ main(int argc, char **argv) retcode = 1; /* FALLTHROUGH */ case MSG_PRINT: - if (hdr.size > INT_MAX - 1) + if (hdr.size < sizeof printdata) fatalx("bad MSG_PRINT size"); - log_info("%.*s", - (int) hdr.size, BUFFER_OUT(cctx.srv_in)); - if (hdr.size != 0) - buffer_remove(cctx.srv_in, hdr.size); + buffer_read(cctx.srv_in, &printdata, sizeof printdata); + + printdata.msg[(sizeof printdata.msg) - 1] = '\0'; + log_info("%s", printdata.msg); goto restart; case MSG_READY: retcode = client_main(&cctx); |