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-rw-r--r--cgi.c91
1 files changed, 47 insertions, 44 deletions
diff --git a/cgi.c b/cgi.c
index 577debdf..51cf4973 100644
--- a/cgi.c
+++ b/cgi.c
@@ -20,6 +20,7 @@
#endif
#include <ctype.h>
+#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
@@ -44,7 +45,7 @@ enum page {
* A query as passed to the search function.
*/
struct query {
- const char *manroot; /* manual root directory */
+ const char *manpath; /* desired manual directory */
const char *arch; /* architecture */
const char *sec; /* manual section */
const char *expr; /* unparsed expression string */
@@ -52,10 +53,10 @@ struct query {
};
struct req {
- struct query q;
- char **p; /* array of available manroots */
- size_t psz; /* number of available manroots */
- enum page page;
+ struct query q;
+ char **p; /* array of available manpaths */
+ size_t psz; /* number of available manpaths */
+ enum page page;
};
static void catman(const struct req *, const char *);
@@ -85,10 +86,10 @@ static void resp_search(const struct req *,
struct manpage *, size_t);
static void resp_searchform(const struct req *);
-static const char *progname; /* cgi script name */
-static const char *cache; /* cache directory */
-static const char *css; /* css directory */
-static const char *host; /* hostname */
+static const char *scriptname; /* CGI script name */
+static const char *mandir; /* contains all manpath directories */
+static const char *cssdir; /* css directory */
+static const char *httphost; /* hostname used in the URIs */
static const char * const pages[PAGE__MAX] = {
"index", /* PAGE_INDEX */
@@ -127,9 +128,9 @@ static void
http_printquery(const struct req *req)
{
- if (NULL != req->q.manroot) {
+ if (NULL != req->q.manpath) {
printf("&manpath=");
- http_print(req->q.manroot);
+ http_print(req->q.manpath);
}
if (NULL != req->q.sec) {
printf("&sec=");
@@ -149,9 +150,9 @@ static void
html_printquery(const struct req *req)
{
- if (NULL != req->q.manroot) {
+ if (NULL != req->q.manpath) {
printf("&amp;manpath=");
- html_print(req->q.manroot);
+ html_print(req->q.manpath);
}
if (NULL != req->q.sec) {
printf("&amp;sec=");
@@ -203,7 +204,7 @@ http_parse(struct req *req, char *p)
int legacy;
memset(&req->q, 0, sizeof(struct query));
- req->q.manroot = req->p[0];
+ req->q.manpath = req->p[0];
legacy = -1;
while ('\0' != *p) {
@@ -237,7 +238,7 @@ http_parse(struct req *req, char *p)
else if (0 == strcmp(key, "arch"))
req->q.arch = val;
else if (0 == strcmp(key, "manpath"))
- req->q.manroot = val;
+ req->q.manpath = val;
else if (0 == strcmp(key, "apropos"))
legacy = 0 == strcmp(val, "0");
}
@@ -342,7 +343,8 @@ resp_begin_html(int code, const char *msg)
"<TITLE>System Manpage Reference</TITLE>\n"
"</HEAD>\n"
"<BODY>\n"
- "<!-- Begin page content. //-->\n", css, css);
+ "<!-- Begin page content. //-->\n",
+ cssdir, cssdir);
}
static void
@@ -366,7 +368,7 @@ resp_searchform(const struct req *req)
"<INPUT TYPE=\"submit\" "
" VALUE=\"Search\"> for manuals satisfying \n"
"<INPUT TYPE=\"text\" NAME=\"expr\" VALUE=\"",
- progname);
+ scriptname);
html_print(req->q.expr ? req->q.expr : "");
printf("\">, section "
"<INPUT TYPE=\"text\""
@@ -381,8 +383,8 @@ resp_searchform(const struct req *req)
puts(", <SELECT NAME=\"manpath\">");
for (i = 0; i < (int)req->psz; i++) {
printf("<OPTION ");
- if (NULL == req->q.manroot ? 0 == i :
- 0 == strcmp(req->q.manroot, req->p[i]))
+ if (NULL == req->q.manpath ? 0 == i :
+ 0 == strcmp(req->q.manpath, req->p[i]))
printf("SELECTED=\"selected\" ");
printf("VALUE=\"");
html_print(req->p[i]);
@@ -419,7 +421,7 @@ resp_error400(void)
"The query your entered was malformed.\n"
"Try again from the\n"
"<A HREF=\"%s/index.html\">main page</A>.\n"
- "</P>", progname);
+ "</P>", scriptname);
resp_end_html();
}
@@ -436,8 +438,8 @@ resp_error404(const char *page)
printf("</B>,\n"
"could not be found.\n"
"Try searching from the\n"
- "<A HREF=\"%s/index.html\">main page</A>.\n"
- "</P>", progname);
+ "<A HREF=\"%s\">main page</A>.\n"
+ "</P>", scriptname);
resp_end_html();
}
@@ -445,7 +447,7 @@ static void
resp_bad(void)
{
resp_begin_html(500, "Internal Server Error");
- puts("<P>Generic badness happened.</P>");
+ puts("<P>Internal Server Error</P>");
resp_end_html();
}
@@ -470,7 +472,7 @@ resp_search(const struct req *req, struct manpage *r, size_t sz)
*/
puts("Status: 303 See Other");
printf("Location: http://%s%s/show/%s/%s?",
- host, progname, req->q.manroot, r[0].file);
+ httphost, scriptname, req->q.manpath, r[0].file);
http_printquery(req);
puts("\n"
"Content-Type: text/html; charset=utf-8\n");
@@ -499,7 +501,7 @@ resp_search(const struct req *req, struct manpage *r, size_t sz)
printf("<TR>\n"
"<TD CLASS=\"title\">\n"
"<A HREF=\"%s/show/%s/%s?",
- progname, req->q.manroot, r[i].file);
+ scriptname, req->q.manpath, r[i].file);
html_printquery(req);
printf("\">");
html_print(r[i].names);
@@ -677,7 +679,7 @@ format(const struct req *req, const char *file)
}
mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_FATAL, NULL,
- req->q.manroot);
+ req->q.manpath);
rc = mparse_readfd(mp, fd, file);
close(fd);
@@ -688,7 +690,7 @@ format(const struct req *req, const char *file)
snprintf(opts, sizeof(opts),
"fragment,man=%s/search?sec=%%S&expr=Nm~^%%N$",
- progname);
+ scriptname);
mparse_result(mp, &mdoc, &man, NULL);
if (NULL == man && NULL == mdoc) {
@@ -726,7 +728,7 @@ pg_show(const struct req *req, char *path)
*sub++ = '\0';
/*
- * Begin by chdir()ing into the manroot.
+ * Begin by chdir()ing into the manpath.
* This way we can pick up the database files, which are
* relative to the manpath root.
*/
@@ -760,8 +762,8 @@ pg_search(const struct req *req, char *path)
* relative to the manpath root.
*/
- if (-1 == (chdir(req->q.manroot))) {
- perror(req->q.manroot);
+ if (-1 == (chdir(req->q.manpath))) {
+ perror(req->q.manpath);
resp_search(req, NULL, 0);
return;
}
@@ -823,30 +825,31 @@ main(void)
{
int i;
struct req req;
- char *p, *path, *subpath;
+ char *querystring, *path, *subpath;
/* Scan our run-time environment. */
- if (NULL == (cache = getenv("CACHE_DIR")))
- cache = "/cache/man.cgi";
+ if (NULL == (mandir = getenv("MAN_DIR")))
+ mandir = "/man";
- if (NULL == (progname = getenv("SCRIPT_NAME")))
- progname = "";
+ if (NULL == (scriptname = getenv("SCRIPT_NAME")))
+ scriptname = "";
- if (NULL == (css = getenv("CSS_DIR")))
- css = "";
+ if (NULL == (cssdir = getenv("CSS_DIR")))
+ cssdir = "";
- if (NULL == (host = getenv("HTTP_HOST")))
- host = "localhost";
+ if (NULL == (httphost = getenv("HTTP_HOST")))
+ httphost = "localhost";
/*
- * First we change directory into the cache directory so that
+ * First we change directory into the mandir so that
* subsequent scanning for manpath directories is rooted
* relative to the same position.
*/
- if (-1 == chdir(cache)) {
- perror(cache);
+ if (-1 == chdir(mandir)) {
+ fprintf(stderr, "MAN_DIR: %s: %s\n",
+ mandir, strerror(errno));
resp_bad();
return(EXIT_FAILURE);
}
@@ -856,8 +859,8 @@ main(void)
/* Next parse out the query string. */
- if (NULL != (p = getenv("QUERY_STRING")))
- http_parse(&req, p);
+ if (NULL != (querystring = getenv("QUERY_STRING")))
+ http_parse(&req, querystring);
/*
* Now juggle paths to extract information.
generated by cgit (git 2.34.1) at 2024-11-10 15:41:24 +0000