-/* $Id: cgi.c,v 1.31 2011/12/14 13:36:59 kristaps Exp $ */
+/* $Id: cgi.c,v 1.42 2012/03/24 01:46:25 kristaps Exp $ */
/*
- * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
#include "man.h"
#include "main.h"
#include "manpath.h"
+#include "mandocdb.h"
#ifdef __linux__
# include <db_185.h>
const char *sec; /* manual section */
const char *expr; /* unparsed expression string */
int manroot; /* manroot index (or -1)*/
- int whatis; /* whether whatis mode */
int legacy; /* whether legacy mode */
};
};
static int atou(const char *, unsigned *);
-static void catman(const char *);
+static void catman(const struct req *, const char *);
static int cmp(const void *, const void *);
-static void format(const char *);
+static void format(const struct req *, const char *);
static void html_print(const char *);
+static void html_printquery(const struct req *);
static void html_putchar(char);
static int http_decode(char *);
static void http_parse(struct req *, char *);
+static void http_print(const char *);
+static void http_putchar(char);
+static void http_printquery(const struct req *);
static int pathstop(DIR *);
static void pathgen(DIR *, char *, struct req *);
static void pg_index(const struct req *, char *);
return(0);
if ((errno == ERANGE && (lval == LONG_MAX ||
lval == LONG_MIN)) ||
- (lval > UINT_MAX || lval < 0))
+ (lval > INT_MAX || lval < 0))
return(0);
*v = (unsigned int)lval;
break;
}
}
+static void
+http_printquery(const struct req *req)
+{
+
+ printf("&expr=");
+ http_print(req->q.expr ? req->q.expr : "");
+ printf("&sec=");
+ http_print(req->q.sec ? req->q.sec : "");
+ printf("&arch=");
+ http_print(req->q.arch ? req->q.arch : "");
+}
+
+
+static void
+html_printquery(const struct req *req)
+{
+
+ printf("&expr=");
+ html_print(req->q.expr ? req->q.expr : "");
+ printf("&sec=");
+ html_print(req->q.sec ? req->q.sec : "");
+ printf("&arch=");
+ html_print(req->q.arch ? req->q.arch : "");
+}
+
+static void
+http_print(const char *p)
+{
+
+ if (NULL == p)
+ return;
+ while ('\0' != *p)
+ http_putchar(*p++);
+}
/*
* Call through to html_putchar().
http_parse(struct req *req, char *p)
{
char *key, *val, *manroot;
- size_t sz;
int i, legacy;
memset(&req->q, 0, sizeof(struct query));
- req->q.whatis = 1;
legacy = -1;
manroot = NULL;
- while (p && '\0' != *p) {
- while (' ' == *p)
- p++;
-
+ while ('\0' != *p) {
key = p;
val = NULL;
- if (NULL != (p = strchr(p, '='))) {
+ p += (int)strcspn(p, ";&");
+ if ('\0' != *p)
*p++ = '\0';
- val = p;
-
- sz = strcspn(p, ";&");
- /* LINTED */
- p += sz;
-
- if ('\0' != *p)
- *p++ = '\0';
- } else {
- p = key;
- sz = strcspn(p, ";&");
- /* LINTED */
- p += sz;
-
- if ('\0' != *p)
- p++;
- continue;
- }
+ if (NULL != (val = strchr(key, '=')))
+ *val++ = '\0';
- if ('\0' == *key || '\0' == *val)
+ if ('\0' == *key || NULL == val || '\0' == *val)
continue;
/* Just abort handling. */
if ( ! http_decode(key))
break;
- if ( ! http_decode(val))
+ if (NULL != val && ! http_decode(val))
break;
if (0 == strcmp(key, "expr"))
manroot = val;
else if (0 == strcmp(key, "apropos"))
legacy = 0 == strcmp(val, "0");
- else if (0 == strcmp(key, "op"))
- req->q.whatis = 0 == strcasecmp(val, "whatis");
}
/* Test for old man.cgi compatibility mode. */
- if (legacy == 0) {
- req->q.whatis = 0;
- req->q.legacy = 1;
- } else if (legacy > 0) {
- req->q.legacy = 1;
- req->q.whatis = 1;
- }
+ req->q.legacy = legacy > 0;
/*
* Section "0" means no section when in legacy mode.
}
}
+static void
+http_putchar(char c)
+{
+
+ if (isalnum((unsigned char)c)) {
+ putchar((unsigned char)c);
+ return;
+ } else if (' ' == c) {
+ putchar('+');
+ return;
+ }
+ printf("%%%.2x", c);
+}
+
/*
* HTTP-decode a string. The standard explanation is that this turns
* "%4e+foo" into "n foo" in the regular way. This is done in-place
"<HEAD>\n"
"<META HTTP-EQUIV=\"Content-Type\""
" CONTENT=\"text/html; charset=utf-8\">\n"
- "<LINK REL=\"stylesheet\" HREF=\"%s/man.cgi.css\""
+ "<LINK REL=\"stylesheet\" HREF=\"%s/man-cgi.css\""
+ " TYPE=\"text/css\" media=\"all\">\n"
+ "<LINK REL=\"stylesheet\" HREF=\"%s/man.css\""
" TYPE=\"text/css\" media=\"all\">\n"
"<TITLE>System Manpage Reference</TITLE>\n"
"</HEAD>\n"
"<BODY>\n"
- "<!-- Begin page content. //-->\n", css);
+ "<!-- Begin page content. //-->\n", css, css);
}
static void
int i;
puts("<!-- Begin search form. //-->");
- printf("<FORM ACTION=\"%s/search.html\" METHOD=\"get\">\n"
+ printf("<DIV ID=\"mancgi\">\n"
+ "<FORM ACTION=\"%s/search.html\" METHOD=\"get\">\n"
"<FIELDSET>\n"
"<LEGEND>Search Parameters</LEGEND>\n"
- "<INPUT TYPE=\"submit\" NAME=\"op\""
- " VALUE=\"Whatis\"> or \n"
- "<INPUT TYPE=\"submit\" NAME=\"op\""
- " VALUE=\"apropos\"> for manuals satisfying \n"
+ "<INPUT TYPE=\"submit\" "
+ " VALUE=\"Search\"> for manuals satisfying \n"
"<INPUT TYPE=\"text\" NAME=\"expr\" VALUE=\"",
progname);
html_print(req->q.expr ? req->q.expr : "");
puts(".\n"
"<INPUT TYPE=\"reset\" VALUE=\"Reset\">\n"
"</FIELDSET>\n"
- "</FORM>");
+ "</FORM>\n"
+ "</DIV>");
puts("<!-- End search form. //-->");
}
static void
resp_search(struct res *r, size_t sz, void *arg)
{
- int i;
+ size_t i, matched;
const struct req *req;
req = (const struct req *)arg;
- assert(req->q.manroot >= 0);
- if (1 == sz) {
+ if (sz > 0)
+ assert(req->q.manroot >= 0);
+
+ for (matched = i = 0; i < sz; i++)
+ if (r[i].matched)
+ matched++;
+
+ if (1 == matched) {
+ for (i = 0; i < sz; i++)
+ if (r[i].matched)
+ break;
/*
* If we have just one result, then jump there now
* without any delay.
*/
puts("Status: 303 See Other");
- printf("Location: http://%s%s/show/%d/%u/%u.html\n",
+ printf("Location: http://%s%s/show/%d/%u/%u.html?",
host, progname, req->q.manroot,
- r[0].volume, r[0].rec);
- puts("Content-Type: text/html; charset=utf-8\n");
+ r[i].volume, r[i].rec);
+ http_printquery(req);
+ puts("\n"
+ "Content-Type: text/html; charset=utf-8\n");
return;
}
- qsort(r, sz, sizeof(struct res), cmp);
-
resp_begin_html(200, NULL);
resp_searchform(req);
- if (0 == sz) {
- printf("<P>\n"
- "No %s results found.\n",
- req->q.whatis ? "whatis" : "apropos");
- if (req->q.whatis) {
- printf("(Try <A HREF=\"%s/search.html?"
- "op=apropos&expr=", progname);
- html_print(req->q.expr ? req->q.expr : "");
- printf("&sec=");
- html_print(req->q.sec ? req->q.sec : "");
- printf("&arch=");
- html_print(req->q.arch ? req->q.arch : "");
- puts("\">apropos</A>?)");
- }
- puts("</P>");
+ puts("<DIV CLASS=\"results\">");
+
+ if (0 == matched) {
+ puts("<P>\n"
+ "No results found.\n"
+ "</P>\n"
+ "</DIV>");
resp_end_html();
return;
}
- puts("<P></P>\n"
- "<TABLE>");
+ qsort(r, sz, sizeof(struct res), cmp);
+
+ puts("<TABLE>");
- for (i = 0; i < (int)sz; i++) {
+ for (i = 0; i < sz; i++) {
+ if ( ! r[i].matched)
+ continue;
printf("<TR>\n"
"<TD CLASS=\"title\">\n"
- "<A HREF=\"%s/show/%d/%u/%u.html\">",
+ "<A HREF=\"%s/show/%d/%u/%u.html?",
progname, req->q.manroot,
r[i].volume, r[i].rec);
+ html_printquery(req);
+ printf("\">");
html_print(r[i].title);
putchar('(');
html_print(r[i].cat);
"</TR>");
}
- puts("</TABLE>");
+ puts("</TABLE>\n"
+ "</DIV>");
resp_end_html();
}
}
static void
-catman(const char *file)
+catman(const struct req *req, const char *file)
{
FILE *f;
size_t len;
return;
}
- resp_begin_http(200, NULL);
- printf("<!DOCTYPE HTML PUBLIC "
- " \"-//W3C//DTD HTML 4.01//EN\""
- " \"http://www.w3.org/TR/html4/strict.dtd\">\n"
- "<HTML>\n"
- "<HEAD>\n"
- "<META HTTP-EQUIV=\"Content-Type\""
- " CONTENT=\"text/html; charset=utf-8\">\n"
- "<LINK REL=\"stylesheet\" HREF=\"%s/catman.css\""
- " TYPE=\"text/css\" media=\"all\">\n"
- "<TITLE>System Manpage Reference</TITLE>\n"
- "</HEAD>\n"
- "<BODY>\n"
- "<!-- Begin page content. //-->\n"
- "<PRE>\n", css);
+ resp_begin_html(200, NULL);
+ resp_searchform(req);
+ puts("<DIV CLASS=\"catman\">\n"
+ "<PRE>");
while (NULL != (p = fgetln(f, &len))) {
bold = italic = 0;
}
puts("</PRE>\n"
+ "</DIV>\n"
"</BODY>\n"
"</HTML>");
}
static void
-format(const char *file)
+format(const struct req *req, const char *file)
{
struct mparse *mp;
int fd;
return;
}
- snprintf(opts, sizeof(opts), "style=%s/man.css,"
+ snprintf(opts, sizeof(opts), "fragment,"
"man=%s/search.html?sec=%%S&expr=%%N,"
/*"includes=/cgi-bin/man.cgi/usr/include/%%I"*/,
- css, progname);
+ progname);
mparse_result(mp, &mdoc, &man);
+ if (NULL == man && NULL == mdoc) {
+ resp_baddb();
+ mparse_free(mp);
+ return;
+ }
+
+ resp_begin_html(200, NULL);
+ resp_searchform(req);
+
vp = html_alloc(opts);
- if (NULL != mdoc) {
- resp_begin_http(200, NULL);
+ if (NULL != mdoc)
html_mdoc(vp, mdoc);
- } else if (NULL != man) {
- resp_begin_http(200, NULL);
+ else
html_man(vp, man);
- } else
- resp_baddb();
+
+ puts("</BODY>\n"
+ "</HTML>");
html_free(vp);
mparse_free(mp);
pg_show(const struct req *req, char *path)
{
struct manpaths ps;
+ size_t sz;
char *sub;
char file[MAXPATHLEN];
- const char *fn, *cp;
- int rc;
+ const char *cp;
+ int rc, catm;
unsigned int vol, rec, mr;
DB *idx;
DBT key, val;
goto out;
}
- strlcpy(file, ps.paths[vol], MAXPATHLEN);
- strlcat(file, "/mandoc.index", MAXPATHLEN);
+ sz = strlcpy(file, ps.paths[vol], MAXPATHLEN);
+ assert(sz < MAXPATHLEN);
+ strlcat(file, "/", MAXPATHLEN);
+ strlcat(file, MANDOC_IDX, MAXPATHLEN);
/* Open the index recno(3) database. */
if (0 != (rc = (*idx->get)(idx, &key, &val, 0))) {
rc < 0 ? resp_baddb() : resp_error400();
goto out;
- }
+ } else if (0 == val.size) {
+ resp_baddb();
+ goto out;
+ }
cp = (char *)val.data;
+ catm = 'c' == *cp++;
- if (NULL == (fn = memchr(cp, '\0', val.size)))
- resp_baddb();
- else if (++fn - cp >= (int)val.size)
- resp_baddb();
- else if (NULL == memchr(fn, '\0', val.size - (fn - cp)))
+ if (NULL == memchr(cp, '\0', val.size - 1))
resp_baddb();
else {
- if (0 == strcmp(cp, "cat"))
- catman(fn + 1);
+ file[(int)sz] = '\0';
+ strlcat(file, "/", MAXPATHLEN);
+ strlcat(file, cp, MAXPATHLEN);
+ if (catm)
+ catman(req, file);
else
- format(fn + 1);
+ format(req, file);
}
out:
if (idx)
static void
pg_search(const struct req *req, char *path)
{
- size_t tt;
+ size_t tt, ressz;
struct manpaths ps;
int i, sz, rc;
const char *ep, *start;
+ struct res *res;
char **cp;
struct opts opt;
struct expr *expr;
rc = -1;
sz = 0;
cp = NULL;
+ ressz = 0;
+ res = NULL;
/*
* Begin by chdir()ing into the root of the manpath.
* The resp_search() function is called with the results.
*/
- expr = req->q.whatis ?
+ expr = req->q.legacy ?
termcomp(sz, cp, &tt) : exprcomp(sz, cp, &tt);
if (NULL != expr)
rc = apropos_search
- (ps.sz, ps.paths, &opt,
- expr, tt, (void *)req, resp_search);
+ (ps.sz, ps.paths, &opt, expr, tt,
+ (void *)req, &ressz, &res, resp_search);
/* ...unless errors occured. */
if (0 == rc)
resp_baddb();
else if (-1 == rc)
- resp_search(NULL, 0, (void *)req);
+ resp_search(NULL, 0, NULL);
for (i = 0; i < sz; i++)
free(cp[i]);
free(cp);
+ resfree(res, ressz);
exprfree(expr);
manpath_free(&ps);
}