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1.3 ! nicm 1: /* $OpenBSD: server-fn.c,v 1.2 2009/06/25 06:15:04 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/time.h>
21:
22: #include <string.h>
23: #include <unistd.h>
24:
25: #include "tmux.h"
26:
27: int server_lock_callback(void *, const char *);
28:
29: const char **
30: server_fill_environ(struct session *s)
31: {
32: static const char *env[] = { NULL /* TMUX= */, "TERM=screen", NULL };
33: static char tmuxvar[MAXPATHLEN + 256];
34: u_int idx;
35:
36: if (session_index(s, &idx) != 0)
37: fatalx("session not found");
38:
39: xsnprintf(tmuxvar, sizeof tmuxvar,
40: "TMUX=%s,%ld,%u", socket_path, (long) getpid(), idx);
41: env[0] = tmuxvar;
42:
43: return (env);
44: }
45:
46: void
47: server_write_client(
48: struct client *c, enum hdrtype type, const void *buf, size_t len)
49: {
50: struct hdr hdr;
51:
52: log_debug("writing %d to client %d", type, c->fd);
53:
54: hdr.type = type;
55: hdr.size = len;
56:
57: buffer_write(c->out, &hdr, sizeof hdr);
58: if (buf != NULL && len > 0)
59: buffer_write(c->out, buf, len);
60: }
61:
62: void
63: server_write_session(
64: struct session *s, enum hdrtype type, const void *buf, size_t len)
65: {
66: struct client *c;
67: u_int i;
68:
69: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
70: c = ARRAY_ITEM(&clients, i);
71: if (c == NULL || c->session == NULL)
72: continue;
73: if (c->session == s)
74: server_write_client(c, type, buf, len);
75: }
76: }
77:
78: void
79: server_redraw_client(struct client *c)
80: {
81: c->flags |= CLIENT_REDRAW;
82: }
83:
84: void
85: server_status_client(struct client *c)
86: {
87: c->flags |= CLIENT_STATUS;
88: }
89:
90: void
91: server_redraw_session(struct session *s)
92: {
93: struct client *c;
94: u_int i;
95:
96: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
97: c = ARRAY_ITEM(&clients, i);
98: if (c == NULL || c->session == NULL)
99: continue;
100: if (c->session == s)
101: server_redraw_client(c);
102: }
103: }
104:
105: void
106: server_status_session(struct session *s)
107: {
108: struct client *c;
109: u_int i;
110:
111: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
112: c = ARRAY_ITEM(&clients, i);
113: if (c == NULL || c->session == NULL)
114: continue;
115: if (c->session == s)
116: server_status_client(c);
117: }
118: }
119:
120: void
121: server_redraw_window(struct window *w)
122: {
123: struct client *c;
124: u_int i;
125:
126: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
127: c = ARRAY_ITEM(&clients, i);
128: if (c == NULL || c->session == NULL)
129: continue;
130: if (c->session->curw->window == w)
131: server_redraw_client(c);
132: }
133: w->flags |= WINDOW_REDRAW;
134: }
135:
136: void
137: server_status_window(struct window *w)
138: {
139: struct session *s;
140: u_int i;
141:
142: /*
143: * This is slightly different. We want to redraw the status line of any
144: * clients containing this window rather than any where it is the
145: * current window.
146: */
147:
148: for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
149: s = ARRAY_ITEM(&sessions, i);
150: if (s != NULL && session_has(s, w))
151: server_status_session(s);
152: }
153: }
154:
155: void
156: server_lock(void)
157: {
158: struct client *c;
159: u_int i;
160:
161: if (server_locked)
162: return;
163:
164: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
165: c = ARRAY_ITEM(&clients, i);
166: if (c == NULL || c->session == NULL)
167: continue;
168:
169: status_prompt_clear(c);
170: status_prompt_set(
171: c, "Password: ", server_lock_callback, c, PROMPT_HIDDEN);
172: server_redraw_client(c);
173: }
174: server_locked = 1;
175: }
176:
177: int
178: server_lock_callback(unused void *data, const char *s)
179: {
180: return (server_unlock(s));
181: }
182:
183: int
184: server_unlock(const char *s)
185: {
186: struct client *c;
187: u_int i;
188: char *out;
189:
190: if (!server_locked)
191: return (0);
192: server_activity = time(NULL);
193:
194: if (server_password != NULL) {
195: if (s == NULL)
196: return (-1);
197: out = crypt(s, server_password);
198: if (strcmp(out, server_password) != 0)
199: goto wrong;
200: }
201:
202: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
203: c = ARRAY_ITEM(&clients, i);
204: if (c == NULL)
205: continue;
206:
207: status_prompt_clear(c);
208: server_redraw_client(c);
209: }
210:
211: server_locked = 0;
212: return (0);
213:
214: wrong:
215: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
216: c = ARRAY_ITEM(&clients, i);
1.3 ! nicm 217: if (c == NULL || c->prompt_buffer == NULL)
1.1 nicm 218: continue;
219:
220: *c->prompt_buffer = '\0';
221: c->prompt_index = 0;
222: server_status_client(c);
223: }
224:
225: return (-1);
226: }