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1.1 misho 1: /* $OpenBSD$ */
2:
3: /*
4: * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
5: * Copyright (c) 2009 Nicholas Marriott <nicm@openbsd.org>
6: *
7: * Permission to use, copy, modify, and distribute this software for any
8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
10: *
11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
16: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
17: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18: */
19:
20: #include <sys/types.h>
21: #include <sys/wait.h>
22:
23: #include <stdlib.h>
24: #include <string.h>
25:
26: #include "tmux.h"
27:
28: /*
29: * Runs a command without a window.
30: */
31:
32: static enum cmd_retval cmd_run_shell_exec(struct cmd *, struct cmdq_item *);
33:
34: static void cmd_run_shell_callback(struct job *);
35: static void cmd_run_shell_free(void *);
36: static void cmd_run_shell_print(struct job *, const char *);
37:
38: const struct cmd_entry cmd_run_shell_entry = {
39: .name = "run-shell",
40: .alias = "run",
41:
42: .args = { "bt:", 1, 1 },
43: .usage = "[-b] " CMD_TARGET_PANE_USAGE " shell-command",
44:
45: .tflag = CMD_PANE_CANFAIL,
46:
47: .flags = 0,
48: .exec = cmd_run_shell_exec
49: };
50:
51: struct cmd_run_shell_data {
52: char *cmd;
53: struct cmdq_item *item;
54: int wp_id;
55: };
56:
57: static void
58: cmd_run_shell_print(struct job *job, const char *msg)
59: {
60: struct cmd_run_shell_data *cdata = job->data;
61: struct window_pane *wp = NULL;
62: struct cmd_find_state fs;
63:
64: if (cdata->wp_id != -1)
65: wp = window_pane_find_by_id(cdata->wp_id);
66: if (wp == NULL) {
67: if (cdata->item != NULL) {
68: cmdq_print(cdata->item, "%s", msg);
69: return;
70: }
71: if (cmd_find_current (&fs, NULL, CMD_FIND_QUIET) != 0)
72: return;
73: wp = fs.wp;
74: if (wp == NULL)
75: return;
76: }
77:
78: if (window_pane_set_mode(wp, &window_copy_mode) == 0)
79: window_copy_init_for_output(wp);
80: if (wp->mode == &window_copy_mode)
81: window_copy_add(wp, "%s", msg);
82: }
83:
84: static enum cmd_retval
85: cmd_run_shell_exec(struct cmd *self, struct cmdq_item *item)
86: {
87: struct args *args = self->args;
88: struct cmd_run_shell_data *cdata;
89: struct client *c = item->state.c;
90: struct session *s = item->state.tflag.s;
91: struct winlink *wl = item->state.tflag.wl;
92: struct window_pane *wp = item->state.tflag.wp;
93: const char *cwd;
94:
95: if (item->client != NULL && item->client->session == NULL)
96: cwd = item->client->cwd;
97: else if (s != NULL)
98: cwd = s->cwd;
99: else
100: cwd = NULL;
101:
102: cdata = xcalloc(1, sizeof *cdata);
103: cdata->cmd = format_single(item, args->argv[0], c, s, wl, wp);
104:
105: if (args_has(args, 't') && wp != NULL)
106: cdata->wp_id = wp->id;
107: else
108: cdata->wp_id = -1;
109:
110: if (!args_has(args, 'b'))
111: cdata->item = item;
112:
113: job_run(cdata->cmd, s, cwd, cmd_run_shell_callback, cmd_run_shell_free,
114: cdata);
115:
116: if (args_has(args, 'b'))
117: return (CMD_RETURN_NORMAL);
118: return (CMD_RETURN_WAIT);
119: }
120:
121: static void
122: cmd_run_shell_callback(struct job *job)
123: {
124: struct cmd_run_shell_data *cdata = job->data;
125: char *cmd = cdata->cmd, *msg, *line;
126: size_t size;
127: int retcode;
128:
129: do {
130: if ((line = evbuffer_readline(job->event->input)) != NULL) {
131: cmd_run_shell_print(job, line);
132: free(line);
133: }
134: } while (line != NULL);
135:
136: size = EVBUFFER_LENGTH(job->event->input);
137: if (size != 0) {
138: line = xmalloc(size + 1);
139: memcpy(line, EVBUFFER_DATA(job->event->input), size);
140: line[size] = '\0';
141:
142: cmd_run_shell_print(job, line);
143:
144: free(line);
145: }
146:
147: msg = NULL;
148: if (WIFEXITED(job->status)) {
149: if ((retcode = WEXITSTATUS(job->status)) != 0)
150: xasprintf(&msg, "'%s' returned %d", cmd, retcode);
151: } else if (WIFSIGNALED(job->status)) {
152: retcode = WTERMSIG(job->status);
153: xasprintf(&msg, "'%s' terminated by signal %d", cmd, retcode);
154: }
155: if (msg != NULL)
156: cmd_run_shell_print(job, msg);
157: free(msg);
158:
159: if (cdata->item != NULL)
160: cdata->item->flags &= ~CMDQ_WAITING;
161: }
162:
163: static void
164: cmd_run_shell_free(void *data)
165: {
166: struct cmd_run_shell_data *cdata = data;
167:
168: free(cdata->cmd);
169: free(cdata);
170: }