* mdocml: clean up pg_show() to not modify a string returned from
@ 2014-07-25 16:43 schwarze
0 siblings, 0 replies; only message in thread
From: schwarze @ 2014-07-25 16:43 UTC (permalink / raw)
To: source
Log Message:
-----------
clean up pg_show() to not modify a string returned from getenv(3)
Modified Files:
--------------
mdocml:
cgi.c
Revision Data
-------------
Index: cgi.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/cgi.c,v
retrieving revision 1.83
retrieving revision 1.84
diff -Lcgi.c -Lcgi.c -u -p -r1.83 -r1.84
--- cgi.c
+++ cgi.c
@@ -908,20 +908,23 @@ resp_show(const struct req *req, const c
}
static void
-pg_show(struct req *req, const char *path)
+pg_show(struct req *req, const char *fullpath)
{
- char *sub;
+ char *manpath;
+ const char *file;
- if (NULL == path || NULL == (sub = strchr(path, '/'))) {
+ if ((file = strchr(fullpath, '/')) == NULL) {
pg_error_badrequest(
"You did not specify a page to show.");
return;
}
- *sub++ = '\0';
+ manpath = mandoc_strndup(fullpath, file - fullpath);
+ file++;
- if ( ! validate_manpath(req, path)) {
+ if ( ! validate_manpath(req, manpath)) {
pg_error_badrequest(
"You specified an invalid manpath.");
+ free(manpath);
return;
}
@@ -931,27 +934,29 @@ pg_show(struct req *req, const char *pat
* relative to the manpath root.
*/
- if (-1 == chdir(path)) {
+ if (chdir(manpath) == -1) {
fprintf(stderr, "chdir %s: %s\n",
- path, strerror(errno));
+ manpath, strerror(errno));
pg_error_internal();
+ free(manpath);
return;
}
- if ( ! validate_filename(sub)) {
+ if (strcmp(manpath, "mandoc")) {
+ free(req->q.manpath);
+ req->q.manpath = manpath;
+ } else
+ free(manpath);
+
+ if ( ! validate_filename(file)) {
pg_error_badrequest(
"You specified an invalid manual file.");
return;
}
- if (strcmp(path, "mandoc")) {
- free(req->q.manpath);
- req->q.manpath = mandoc_strdup(path);
- }
-
resp_begin_html(200, NULL);
resp_searchform(req);
- resp_show(req, sub);
+ resp_show(req, file);
resp_end_html();
}
--
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