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Add TMUX_SOCK like TMUX_PATH for the socket directory.

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This commit is contained in:
Nicholas Marriott
2020-04-23 18:15:02 +01:00
parent 0d3fdae7b6
commit d53e1fedd5
2 changed files with 23 additions and 19 deletions
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37
tmux.c
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@@ -180,31 +180,30 @@ expand_paths(const char *s, char ***paths, u_int *n)
static char *
make_label(const char *label, char **cause)
{
char *base, resolved[PATH_MAX], *path, *s;
struct stat sb;
uid_t uid;
char **paths, *path, *base;
u_int i, n;
struct stat sb;
uid_t uid;
*cause = NULL;
if (label == NULL)
label = "default";
uid = getuid();
if ((s = getenv("TMUX_TMPDIR")) != NULL && *s != '\0')
xasprintf(&base, "%s/tmux-%ld", s, (long)uid);
else
xasprintf(&base, "%s/tmux-%ld", _PATH_TMP, (long)uid);
if (realpath(base, resolved) == NULL &&
strlcpy(resolved, base, sizeof resolved) >= sizeof resolved) {
errno = ERANGE;
free(base);
goto fail;
expand_paths(TMUX_SOCK, &paths, &n);
if (n == 0) {
xasprintf(cause, "no suitable socket path");
return (NULL);
}
free(base);
path = paths[0]; /* can only have one socket! */
for (i = 1; i < n; i++)
free(paths[i]);
free(paths);
if (mkdir(resolved, S_IRWXU) != 0 && errno != EEXIST)
xasprintf(&base, "%s/tmux-%ld", path, (long)uid);
if (mkdir(base, S_IRWXU) != 0 && errno != EEXIST)
goto fail;
if (lstat(resolved, &sb) != 0)
if (lstat(base, &sb) != 0)
goto fail;
if (!S_ISDIR(sb.st_mode)) {
errno = ENOTDIR;
@@ -214,11 +213,13 @@ make_label(const char *label, char **cause)
errno = EACCES;
goto fail;
}
xasprintf(&path, "%s/%s", resolved, label);
xasprintf(&path, "%s/%s", base, label);
free(base);
return (path);
fail:
xasprintf(cause, "error creating %s (%s)", resolved, strerror(errno));
xasprintf(cause, "error creating %s (%s)", base, strerror(errno));
free(base);
return (NULL);
}