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Lift last MAXNAMELEN limit on -s argument.

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This commit is contained in:
Nicholas Marriott 2007-10-23 10:48:23 +00:00
parent 21c17da7e6
commit 688a487570
7 changed files with 45 additions and 48 deletions
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3
CHANGES
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@ -1,5 +1,6 @@
23 October 2007 23 October 2007
* (nicm) Lift limit on session name passed with -s.
* (nicm) Show size in session/window lists. * (nicm) Show size in session/window lists.
* (nicm) Pass tty up to server when client identifies and add a list-clients * (nicm) Pass tty up to server when client identifies and add a list-clients
command to list connected clients. command to list connected clients.
@ -150,5 +151,5 @@
(including mutt, emacs). No status bar yet and no key remapping or other (including mutt, emacs). No status bar yet and no key remapping or other
customisation. customisation.
$Id: CHANGES,v 1.47 2007-10-23 09:36:19 nicm Exp $ $Id: CHANGES,v 1.48 2007-10-23 10:48:22 nicm Exp $

1
TODO
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@ -47,7 +47,6 @@
-- For 0.1 -------------------------------------------------------------------- -- For 0.1 --------------------------------------------------------------------
- man page - man page
- get rid of MAXNAMELEN limits (sessid)
- commands: - commands:
rename sessions rename sessions
swap windows swap windows

12
client-fn.c
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@ -1,4 +1,4 @@
/* $Id: client-fn.c,v 1.2 2007-10-03 12:34:16 nicm Exp $ */ /* $Id: client-fn.c,v 1.3 2007-10-23 10:48:22 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -24,15 +24,13 @@
#include "tmux.h" #include "tmux.h"
void void
client_fill_sessid(struct sessid *sid, char name[MAXNAMELEN]) client_fill_session(struct msg_command_data *data)
{ {
char *env, *ptr, buf[256]; char *env, *ptr, buf[256];
const char *errstr; const char *errstr;
long long ll; long long ll;
strlcpy(sid->name, name, sizeof sid->name); data->pid = -1;
sid->pid = -1;
if ((env = getenv("TMUX")) == NULL) if ((env = getenv("TMUX")) == NULL)
return; return;
if ((ptr = strchr(env, ',')) == NULL) if ((ptr = strchr(env, ',')) == NULL)
@ -45,12 +43,12 @@ client_fill_sessid(struct sessid *sid, char name[MAXNAMELEN])
ll = strtonum(ptr + 1, 0, UINT_MAX, &errstr); ll = strtonum(ptr + 1, 0, UINT_MAX, &errstr);
if (errstr != NULL) if (errstr != NULL)
return; return;
sid->idx = ll; data->idx = ll;
ll = strtonum(buf, 0, LLONG_MAX, &errstr); ll = strtonum(buf, 0, LLONG_MAX, &errstr);
if (errstr != NULL) if (errstr != NULL)
return; return;
sid->pid = ll; data->pid = ll;
} }
void void

28
server-fn.c
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@ -1,4 +1,4 @@
/* $Id: server-fn.c,v 1.21 2007-10-19 10:21:35 nicm Exp $ */ /* $Id: server-fn.c,v 1.22 2007-10-23 10:48:23 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -23,33 +23,33 @@
#include "tmux.h" #include "tmux.h"
/* Find session from sessid. */ /* Find session from command message. */
struct session * struct session *
server_find_sessid(struct sessid *sid, char **cause) server_extract_session(struct msg_command_data *data, char *name, char **cause)
{ {
struct session *s; struct session *s;
u_int i, n; u_int i, n;
if (*sid->name != '\0') { if (name != NULL) {
sid->name[(sizeof sid->name) - 1] = '\0'; if ((s = session_find(name)) == NULL) {
if ((s = session_find(sid->name)) == NULL) { xasprintf(cause, "session not found: %s", name);
xasprintf(cause, "session not found: %s", sid->name);
return (NULL); return (NULL);
} }
return (s); return (s);
} }
if (sid->pid != -1) { if (data->pid != -1) {
if (sid->pid != getpid()) { if (data->pid != getpid()) {
xasprintf(cause, "wrong server: %lld", sid->pid); xasprintf(cause, "wrong server: %lld", data->pid);
return (NULL); return (NULL);
} }
if (sid->idx > ARRAY_LENGTH(&sessions)) { if (data->idx > ARRAY_LENGTH(&sessions)) {
xasprintf(cause, "index out of range: %u", sid->idx); xasprintf(cause, "index out of range: %u", data->idx);
return (NULL); return (NULL);
} }
if ((s = ARRAY_ITEM(&sessions, sid->idx)) == NULL) { if ((s = ARRAY_ITEM(&sessions, data->idx)) == NULL) {
xasprintf(cause, "session doesn't exist: %u", sid->idx); xasprintf(
cause, "session doesn't exist: %u", data->idx);
return (NULL); return (NULL);
} }
return (s); return (s);

16
server-msg.c
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@ -1,4 +1,4 @@
/* $Id: server-msg.c,v 1.28 2007-10-23 09:36:19 nicm Exp $ */ /* $Id: server-msg.c,v 1.29 2007-10-23 10:48:23 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -108,11 +108,12 @@ server_msg_fn_command(struct hdr *hdr, struct client *c)
struct msg_command_data data; struct msg_command_data data;
struct cmd_ctx ctx; struct cmd_ctx ctx;
struct cmd *cmd; struct cmd *cmd;
char *cause; char *name, *cause;
if (hdr->size < sizeof data) if (hdr->size < sizeof data)
fatalx("bad MSG_COMMAND size"); fatalx("bad MSG_COMMAND size");
buffer_read(c->in, &data, sizeof data); buffer_read(c->in, &data, sizeof data);
name = cmd_recv_string(c->in);
cmd = cmd_recv(c->in); cmd = cmd_recv(c->in);
log_debug("got command %s from client %d", cmd->entry->name, c->fd); log_debug("got command %s from client %d", cmd->entry->name, c->fd);
@ -123,26 +124,29 @@ server_msg_fn_command(struct hdr *hdr, struct client *c)
ctx.client = c; ctx.client = c;
ctx.flags = 0; ctx.flags = 0;
if (data.sid.pid != -1 && (cmd->entry->flags & CMD_CANTNEST)) { if (data.pid != -1 && (cmd->entry->flags & CMD_CANTNEST)) {
server_msg_fn_command_error(&ctx, "sessions should be nested " server_msg_fn_command_error(&ctx, "sessions should be nested "
"with care. unset $TMUX to force"); "with care. unset $TMUX to force");
return (0); goto out;
} }
if (cmd->entry->flags & CMD_NOSESSION) if (cmd->entry->flags & CMD_NOSESSION)
ctx.session = NULL; ctx.session = NULL;
else { else {
ctx.session = server_find_sessid(&data.sid, &cause); ctx.session = server_extract_session(&data, name, &cause);
if (ctx.session == NULL) { if (ctx.session == NULL) {
server_msg_fn_command_error(&ctx, "%s", cause); server_msg_fn_command_error(&ctx, "%s", cause);
xfree(cause); xfree(cause);
return (0); goto out;
} }
} }
cmd_exec(cmd, &ctx); cmd_exec(cmd, &ctx);
cmd_free(cmd); cmd_free(cmd);
out:
if (name != NULL)
xfree(name);
return (0); return (0);
} }

13
tmux.c
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@ -1,4 +1,4 @@
/* $Id: tmux.c,v 1.35 2007-10-20 09:57:08 nicm Exp $ */ /* $Id: tmux.c,v 1.36 2007-10-23 10:48:23 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -170,19 +170,17 @@ main(int argc, char **argv)
struct hdr hdr; struct hdr hdr;
const char *shell; const char *shell;
struct passwd *pw; struct passwd *pw;
char *path, *cause, name[MAXNAMELEN]; char *path, *cause, *name;
int n, opt; int n, opt;
*name = '\0'; path = name = NULL;
path = NULL;
while ((opt = getopt(argc, argv, "S:s:v")) != EOF) { while ((opt = getopt(argc, argv, "S:s:v")) != EOF) {
switch (opt) { switch (opt) {
case 'S': case 'S':
path = xstrdup(optarg); path = xstrdup(optarg);
break; break;
case 's': case 's':
if (strlcpy(name, optarg, sizeof name) >= sizeof name) name = xstrdup(optarg);
errx(1, "session name too long: %s", optarg);
break; break;
case 'v': case 'v':
debug_level++; debug_level++;
@ -225,10 +223,11 @@ main(int argc, char **argv)
memset(&cctx, 0, sizeof cctx); memset(&cctx, 0, sizeof cctx);
if (!(cmd->entry->flags & CMD_NOSESSION) || if (!(cmd->entry->flags & CMD_NOSESSION) ||
(cmd->entry->flags & CMD_CANTNEST)) (cmd->entry->flags & CMD_CANTNEST))
client_fill_sessid(&data.sid, name); client_fill_session(&data);
if (client_init(path, &cctx, cmd->entry->flags & CMD_STARTSERVER) != 0) if (client_init(path, &cctx, cmd->entry->flags & CMD_STARTSERVER) != 0)
exit(1); exit(1);
b = buffer_create(BUFSIZ); b = buffer_create(BUFSIZ);
cmd_send_string(b, name);
cmd_send(cmd, b); cmd_send(cmd, b);
cmd_free(cmd); cmd_free(cmd);

20
tmux.h
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@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.64 2007-10-23 10:21:59 nicm Exp $ */ /* $Id: tmux.h,v 1.65 2007-10-23 10:48:23 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -44,7 +44,6 @@ extern char *__progname;
#define TTY_NAME_MAX 32 #define TTY_NAME_MAX 32
#endif #endif
#define MAXNAMELEN 32
#define MAXTITLELEN 192 #define MAXTITLELEN 192
/* Fatal errors. */ /* Fatal errors. */
@ -283,13 +282,6 @@ enum hdrtype {
MSG_PAUSE, MSG_PAUSE,
}; };
/* Session identification. */
struct sessid {
long long pid; /* pid from $TMUX or -1 */
u_int idx; /* index from $TMUX */
char name[MAXNAMELEN]; /* empty for current */
};
/* Message header structure. */ /* Message header structure. */
struct hdr { struct hdr {
enum hdrtype type; enum hdrtype type;
@ -297,7 +289,10 @@ struct hdr {
}; };
struct msg_command_data { struct msg_command_data {
struct sessid sid; long long pid; /* pid from $TMUX or -1 */
u_int idx; /* index from $TMUX */
size_t namelen;
}; };
struct msg_identify_data { struct msg_identify_data {
@ -565,7 +560,7 @@ int client_msg_dispatch(struct client_ctx *, char **);
void client_write_server(struct client_ctx *, enum hdrtype, void *, size_t); void client_write_server(struct client_ctx *, enum hdrtype, void *, size_t);
void client_write_server2( void client_write_server2(
struct client_ctx *, enum hdrtype, void *, size_t, void *, size_t); struct client_ctx *, enum hdrtype, void *, size_t, void *, size_t);
void client_fill_sessid(struct sessid *, char [MAXNAMELEN]); void client_fill_session(struct msg_command_data *);
/* key-bindings.c */ /* key-bindings.c */
extern struct bindings key_bindings; extern struct bindings key_bindings;
@ -587,7 +582,8 @@ int server_start(char *);
int server_msg_dispatch(struct client *); int server_msg_dispatch(struct client *);
/* server-fn.c */ /* server-fn.c */
struct session *server_find_sessid(struct sessid *, char **); struct session *server_extract_session(
struct msg_command_data *, char *, char **);
void server_write_client( void server_write_client(
struct client *, enum hdrtype, const void *, size_t); struct client *, enum hdrtype, const void *, size_t);
void server_write_session( void server_write_session(