Check command name/path for truncation and provide user feedback during

config parse (and use conf_cmd_add to populate defaults); based on a
discussion with Tiago Cunha.  While this looks ugly, there are likely
some other changes here to come.
This commit is contained in:
okan 2014-01-29 18:34:22 +00:00
parent c28467cda5
commit 1f8f19b4d5
3 changed files with 30 additions and 15 deletions

View File

@ -522,7 +522,7 @@ int conf_bind_mouse(struct conf *, const char *,
const char *);
void conf_clear(struct conf *);
void conf_client(struct client_ctx *);
void conf_cmd_add(struct conf *, const char *,
int conf_cmd_add(struct conf *, const char *,
const char *);
void conf_cursor(struct conf *);
void conf_grab_kbd(Window);

36
conf.c
View File

@ -35,21 +35,32 @@ static const char *conf_bind_getmask(const char *, unsigned int *);
static void conf_unbind_kbd(struct conf *, struct keybinding *);
static void conf_unbind_mouse(struct conf *, struct mousebinding *);
/* Add an command menu entry to the end of the menu */
void
int
conf_cmd_add(struct conf *c, const char *name, const char *path)
{
struct cmd *cmd;
/* "term" and "lock" have special meanings. */
if (strcmp(name, "term") == 0)
(void)strlcpy(c->termpath, path, sizeof(c->termpath));
else if (strcmp(name, "lock") == 0)
(void)strlcpy(c->lockpath, path, sizeof(c->lockpath));
else {
struct cmd *cmd = xmalloc(sizeof(*cmd));
(void)strlcpy(cmd->name, name, sizeof(cmd->name));
(void)strlcpy(cmd->path, path, sizeof(cmd->path));
if (strcmp(name, "term") == 0) {
if (strlcpy(c->termpath, path, sizeof(c->termpath)) >=
sizeof(c->termpath))
return (0);
} else if (strcmp(name, "lock") == 0) {
if (strlcpy(c->lockpath, path, sizeof(c->lockpath)) >=
sizeof(c->lockpath))
return (0);
} else {
cmd = xmalloc(sizeof(*cmd));
if (strlcpy(cmd->name, name, sizeof(cmd->name)) >=
sizeof(cmd->name))
return (0);
if (strlcpy(cmd->path, path, sizeof(cmd->path)) >=
sizeof(cmd->path))
return (0);
TAILQ_INSERT_TAIL(&c->cmdq, cmd, entry);
}
return (1);
}
void
@ -249,9 +260,8 @@ conf_init(struct conf *c)
for (i = 0; i < nitems(color_binds); i++)
c->color[i] = xstrdup(color_binds[i]);
/* Default term/lock */
(void)strlcpy(c->termpath, "xterm", sizeof(c->termpath));
(void)strlcpy(c->lockpath, "xlock", sizeof(c->lockpath));
conf_cmd_add(c, "lock", "xlock");
conf_cmd_add(c, "term", "xterm");
(void)snprintf(c->known_hosts, sizeof(c->known_hosts), "%s/%s",
homedir, ".ssh/known_hosts");

View File

@ -137,7 +137,12 @@ main : FONTNAME STRING {
conf->snapdist = $2;
}
| COMMAND STRING string {
conf_cmd_add(conf, $2, $3);
if (!conf_cmd_add(conf, $2, $3)) {
yyerror("command name/path too long");
free($2);
free($3);
YYERROR;
}
free($2);
free($3);
}