From d53e1fedd595db68a4e5bc9e3e7024fa924300d3 Mon Sep 17 00:00:00 2001 From: Nicholas Marriott Date: Thu, 23 Apr 2020 18:15:02 +0100 Subject: Add TMUX_SOCK like TMUX_PATH for the socket directory. --- tmux.c | 37 +++++++++++++++++++------------------ 1 file changed, 19 insertions(+), 18 deletions(-) (limited to 'tmux.c') diff --git a/tmux.c b/tmux.c index 727c9b99..82c3441c 100644 --- a/tmux.c +++ b/tmux.c @@ -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); } -- cgit v1.2.3