-/* $Id: cgi.c,v 1.6 2011/11/23 10:01:04 kristaps Exp $ */
+/* $Id: cgi.c,v 1.72 2014/07/13 12:55:45 schwarze Exp $ */
/*
- * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2014 Ingo Schwarze <schwarze@usta.de>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
#include "config.h"
#endif
-#include <sys/param.h>
-#include <sys/wait.h>
-
-#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
-#include <regex.h>
#include <stdio.h>
-#include <stdarg.h>
-#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include "apropos_db.h"
#include "mandoc.h"
+#include "mandoc_aux.h"
+#include "main.h"
#include "manpath.h"
+#include "mansearch.h"
+#include "cgi.h"
-#ifdef __linux__
-# include <db_185.h>
-#else
-# include <db.h>
-#endif
-
-enum page {
- PAGE_INDEX,
- PAGE_SEARCH,
- PAGE_SHOW,
- PAGE__MAX
-};
-
-struct kval {
- char *key;
- char *val;
+/*
+ * A query as passed to the search function.
+ */
+struct query {
+ const char *manpath; /* desired manual directory */
+ const char *arch; /* architecture */
+ const char *sec; /* manual section */
+ const char *expr; /* unparsed expression string */
+ int equal; /* match whole names, not substrings */
};
struct req {
- struct kval *fields;
- size_t fieldsz;
- enum page page;
+ struct query q;
+ char **p; /* array of available manpaths */
+ size_t psz; /* number of available manpaths */
};
-static int atou(const char *, unsigned *);
+static void catman(const struct req *, const char *);
+static int cmp(const void *, const void *);
+static void format(const struct req *, const char *);
static void html_print(const char *);
-static int kval_decode(char *);
-static void kval_parse(struct kval **, size_t *, char *);
-static void kval_free(struct kval *, size_t);
-static void pg_index(const struct manpaths *,
- const struct req *, char *);
-static void pg_search(const struct manpaths *,
- const struct req *, char *);
-static void pg_show(const struct manpaths *,
- const struct req *, char *);
-static void resp_baddb(void);
-static void resp_badexpr(const struct req *);
-static void resp_badmanual(void);
+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 void pathgen(struct req *);
+static void pg_error_badrequest(const char *);
+static void pg_error_internal(void);
+static void pg_index(const struct req *);
+static void pg_noresult(const struct req *, const char *);
+static void pg_search(const struct req *);
+static void pg_searchres(const struct req *,
+ struct manpage *, size_t);
+static void pg_show(const struct req *, const char *);
static void resp_begin_html(int, const char *);
static void resp_begin_http(int, const char *);
static void resp_end_html(void);
-static void resp_index(const struct req *);
-static void resp_search(struct res *, size_t, void *);
static void resp_searchform(const struct req *);
+static void resp_show(const struct req *, const char *);
-static const char *progname;
-static const char *host;
+static const char *scriptname; /* CGI script name */
+static const char *httphost; /* hostname used in the URIs */
-static const char * const pages[PAGE__MAX] = {
- "index", /* PAGE_INDEX */
- "search", /* PAGE_SEARCH */
- "show", /* PAGE_SHOW */
+static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
+static const char *const sec_numbers[] = {
+ "0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9"
+};
+static const char *const sec_names[] = {
+ "All Sections",
+ "1 - General Commands",
+ "2 - System Calls",
+ "3 - Subroutines",
+ "3p - Perl Subroutines",
+ "4 - Special Files",
+ "5 - File Formats",
+ "6 - Games",
+ "7 - Macros and Conventions",
+ "8 - Maintenance Commands",
+ "9 - Kernel Interface"
+};
+static const int sec_MAX = sizeof(sec_names) / sizeof(char *);
+
+static const char *const arch_names[] = {
+ "amd64", "alpha", "armish", "armv7",
+ "aviion", "hppa", "hppa64", "i386",
+ "ia64", "landisk", "loongson", "luna88k",
+ "macppc", "mips64", "octeon", "sgi",
+ "socppc", "solbourne", "sparc", "sparc64",
+ "vax", "zaurus",
+ "amiga", "arc", "arm32", "atari",
+ "beagle", "cats", "hp300", "mac68k",
+ "mvme68k", "mvme88k", "mvmeppc", "palm",
+ "pc532", "pegasos", "pmax", "powerpc",
+ "sun3", "wgrisc", "x68k"
};
+static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
/*
- * This is just OpenBSD's strtol(3) suggestion.
- * I use it instead of strtonum(3) for portability's sake.
+ * Print a character, escaping HTML along the way.
+ * This will pass non-ASCII straight to output: be warned!
*/
-static int
-atou(const char *buf, unsigned *v)
+static void
+html_putchar(char c)
{
- char *ep;
- long lval;
-
- errno = 0;
- lval = strtol(buf, &ep, 10);
- if (buf[0] == '\0' || *ep != '\0')
- return(0);
- if ((errno == ERANGE && (lval == LONG_MAX ||
- lval == LONG_MIN)) ||
- (lval > UINT_MAX || lval < 0))
- return(0);
-
- *v = (unsigned int)lval;
- return(1);
+
+ switch (c) {
+ case ('"'):
+ printf(""e;");
+ break;
+ case ('&'):
+ printf("&");
+ break;
+ case ('>'):
+ printf(">");
+ break;
+ case ('<'):
+ printf("<");
+ break;
+ default:
+ putchar((unsigned char)c);
+ break;
+ }
}
-/*
- * Print a word, escaping HTML along the way.
- * This will pass non-ASCII straight to output: be warned!
- */
static void
-html_print(const char *p)
+http_printquery(const struct req *req)
{
- char c;
-
- if (NULL == p)
- return;
- while ('\0' != *p)
- switch ((c = *p++)) {
- case ('"'):
- printf(""e;");
- break;
- case ('&'):
- printf("&");
- break;
- case ('>'):
- printf(">");
- break;
- case ('<'):
- printf("<");
- break;
- default:
- putchar((unsigned char)c);
- break;
- }
+ if (NULL != req->q.manpath) {
+ printf("&manpath=");
+ http_print(req->q.manpath);
+ }
+ if (NULL != req->q.sec) {
+ printf("&sec=");
+ http_print(req->q.sec);
+ }
+ if (NULL != req->q.arch) {
+ printf("&arch=");
+ http_print(req->q.arch);
+ }
+ if (NULL != req->q.expr) {
+ printf("&query=");
+ http_print(req->q.expr);
+ }
+ if (0 == req->q.equal)
+ printf("&apropos=1");
}
static void
-kval_free(struct kval *p, size_t sz)
+html_printquery(const struct req *req)
{
- int i;
- for (i = 0; i < (int)sz; i++) {
- free(p[i].key);
- free(p[i].val);
+ if (NULL != req->q.manpath) {
+ printf("&manpath=");
+ html_print(req->q.manpath);
+ }
+ if (NULL != req->q.sec) {
+ printf("&sec=");
+ html_print(req->q.sec);
+ }
+ if (NULL != req->q.arch) {
+ printf("&arch=");
+ html_print(req->q.arch);
}
- free(p);
+ if (NULL != req->q.expr) {
+ printf("&query=");
+ html_print(req->q.expr);
+ }
+ if (0 == req->q.equal)
+ printf("&apropos=1");
+}
+
+static void
+http_print(const char *p)
+{
+
+ if (NULL == p)
+ return;
+ while ('\0' != *p)
+ http_putchar(*p++);
+}
+
+/*
+ * Call through to html_putchar().
+ * Accepts NULL strings.
+ */
+static void
+html_print(const char *p)
+{
+
+ if (NULL == p)
+ return;
+ while ('\0' != *p)
+ html_putchar(*p++);
}
/*
* uses only GET for simplicity.
*/
static void
-kval_parse(struct kval **kv, size_t *kvsz, char *p)
+http_parse(struct req *req, char *p)
{
char *key, *val;
- size_t sz, cur;
-
- cur = 0;
- while (p && '\0' != *p) {
- while (' ' == *p)
- p++;
+ memset(&req->q, 0, sizeof(struct query));
+ req->q.manpath = req->p[0];
+ req->q.equal = 1;
+ 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 ( ! kval_decode(key))
- return;
- if ( ! kval_decode(val))
- return;
+ if ( ! http_decode(key))
+ break;
+ if (NULL != val && ! http_decode(val))
+ break;
- if (*kvsz + 1 >= cur) {
- cur++;
- *kv = mandoc_realloc
- (*kv, cur * sizeof(struct kval));
+ if (0 == strcmp(key, "query"))
+ req->q.expr = val;
+ else if (0 == strcmp(key, "manpath"))
+ req->q.manpath = val;
+ else if (0 == strcmp(key, "apropos"))
+ req->q.equal = !strcmp(val, "0");
+ else if (0 == strcmp(key, "sec") ||
+ 0 == strcmp(key, "sektion")) {
+ if (strcmp(val, "0"))
+ req->q.sec = val;
+ } else if (0 == strcmp(key, "arch")) {
+ if (strcmp(val, "default"))
+ req->q.arch = val;
}
+ }
+}
+
+static void
+http_putchar(char c)
+{
- (*kv)[(int)*kvsz].key = mandoc_strdup(key);
- (*kv)[(int)*kvsz].val = mandoc_strdup(val);
- (*kvsz)++;
+ if (isalnum((unsigned char)c)) {
+ putchar((unsigned char)c);
+ return;
+ } else if (' ' == c) {
+ putchar('+');
+ return;
}
+ printf("%%%.2x", c);
}
/*
* over the allocated string.
*/
static int
-kval_decode(char *p)
+http_decode(char *p)
{
char hex[3];
+ char *q;
int c;
hex[2] = '\0';
- for ( ; '\0' != *p; p++) {
+ q = p;
+ for ( ; '\0' != *p; p++, q++) {
if ('%' == *p) {
if ('\0' == (hex[0] = *(p + 1)))
return(0);
if ('\0' == c)
return(0);
- *p = (char)c;
- memmove(p + 1, p + 3, strlen(p + 3) + 1);
+ *q = (char)c;
+ p += 2;
} else
- *p = '+' == *p ? ' ' : *p;
+ *q = '+' == *p ? ' ' : *p;
}
- *p = '\0';
+ *q = '\0';
return(1);
}
{
if (200 != code)
- printf("Status: %d %s\n", code, msg);
+ printf("Status: %d %s\r\n", code, msg);
- puts("Content-Type: text/html; charset=utf-8" "\n"
- "Cache-Control: no-cache" "\n"
- "Pragma: no-cache" "\n"
- "");
+ printf("Content-Type: text/html; charset=utf-8\r\n"
+ "Cache-Control: no-cache\r\n"
+ "Pragma: no-cache\r\n"
+ "\r\n");
fflush(stdout);
}
resp_begin_http(code, msg);
- puts("<!DOCTYPE HTML PUBLIC " "\n"
- " \"-//W3C//DTD HTML 4.01//EN\"" "\n"
- " \"http://www.w3.org/TR/html4/strict.dtd\">" "\n"
- "<HTML>" "\n"
- " <HEAD>" "\n"
- " <TITLE>System Manpage Reference</TITLE>" "\n"
- " </HEAD>" "\n"
- " <BODY>" "\n"
- "<!-- Begin page content. //-->");
+ 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/man-cgi.css\""
+ " TYPE=\"text/css\" media=\"all\">\n"
+ "<LINK REL=\"stylesheet\" HREF=\"%s/man.css\""
+ " TYPE=\"text/css\" media=\"all\">\n"
+ "<TITLE>%s</TITLE>\n"
+ "</HEAD>\n"
+ "<BODY>\n"
+ "<!-- Begin page content. //-->\n",
+ CSS_DIR, CSS_DIR, CUSTOMIZE_TITLE);
}
static void
resp_end_html(void)
{
- puts(" </BODY>\n</HTML>");
+ puts("</BODY>\n"
+ "</HTML>");
}
static void
resp_searchform(const struct req *req)
{
- int i;
- const char *expr, *sec, *arch;
+ int i;
- expr = sec = arch = "";
+ puts(CUSTOMIZE_BEGIN);
+ puts("<!-- Begin search form. //-->");
+ printf("<DIV ID=\"mancgi\">\n"
+ "<FORM ACTION=\"%s\" METHOD=\"get\">\n"
+ "<FIELDSET>\n"
+ "<LEGEND>Manual Page Search Parameters</LEGEND>\n",
+ scriptname);
+
+ /* Write query input box. */
+
+ printf( "<TABLE><TR><TD>\n"
+ "<INPUT TYPE=\"text\" NAME=\"query\" VALUE=\"");
+ if (NULL != req->q.expr)
+ html_print(req->q.expr);
+ puts("\" SIZE=\"40\">");
+
+ /* Write submission and reset buttons. */
+
+ printf( "<INPUT TYPE=\"submit\" VALUE=\"Submit\">\n"
+ "<INPUT TYPE=\"reset\" VALUE=\"Reset\">\n");
+
+ /* Write show radio button */
+
+ printf( "</TD><TD>\n"
+ "<INPUT TYPE=\"radio\" ");
+ if (req->q.equal)
+ printf("CHECKED ");
+ printf( "NAME=\"apropos\" ID=\"show\" VALUE=\"0\">\n"
+ "<LABEL FOR=\"show\">Show named manual page</LABEL>\n");
+
+ /* Write section selector. */
+
+ printf( "</TD></TR><TR><TD>\n"
+ "<SELECT NAME=\"sec\">");
+ for (i = 0; i < sec_MAX; i++) {
+ printf("<OPTION VALUE=\"%s\"", sec_numbers[i]);
+ if (NULL != req->q.sec &&
+ 0 == strcmp(sec_numbers[i], req->q.sec))
+ printf(" SELECTED");
+ printf(">%s</OPTION>\n", sec_names[i]);
+ }
+ puts("</SELECT>");
- for (i = 0; i < (int)req->fieldsz; i++)
- if (0 == strcmp(req->fields[i].key, "expr"))
- expr = req->fields[i].val;
- else if (0 == strcmp(req->fields[i].key, "sec"))
- sec = req->fields[i].val;
- else if (0 == strcmp(req->fields[i].key, "arch"))
- arch = req->fields[i].val;
+ /* Write architecture selector. */
- puts("<!-- Begin search form. //-->");
- printf("<FORM ACTION=\"");
- html_print(progname);
- printf("/search\" METHOD=\"get\">\n");
- puts(" <FIELDSET>" "\n"
- " <INPUT TYPE=\"submit\" VALUE=\"Search:\">");
- printf(" Terms: <INPUT TYPE=\"text\" "
- "SIZE=\"60\" NAME=\"expr\" VALUE=\"");
- html_print(expr);
- puts("\">");
- printf(" Section: <INPUT TYPE=\"text\" "
- "SIZE=\"4\" NAME=\"sec\" VALUE=\"");
- html_print(sec);
- puts("\">");
- printf(" Arch: <INPUT TYPE=\"text\" "
- "SIZE=\"8\" NAME=\"arch\" VALUE=\"");
- html_print(arch);
- puts("\">");
- puts(" </FIELDSET>\n</FORM>\n<!-- End search form. //-->");
+ puts("<SELECT NAME=\"arch\">");
+ for (i = 0; i < arch_MAX; i++) {
+ printf("<OPTION VALUE=\"%s\"", arch_names[i]);
+ if (NULL != req->q.arch &&
+ 0 == strcmp(arch_names[i], req->q.arch))
+ printf(" SELECTED");
+ printf(">%s</OPTION>\n", arch_names[i]);
+ }
+ puts("</SELECT>");
+
+ /* Write manpath selector. */
+
+ if (req->psz > 1) {
+ puts("<SELECT NAME=\"manpath\">");
+ for (i = 0; i < (int)req->psz; i++) {
+ printf("<OPTION ");
+ if (NULL == req->q.manpath ? 0 == i :
+ 0 == strcmp(req->q.manpath, req->p[i]))
+ printf("SELECTED ");
+ printf("VALUE=\"");
+ html_print(req->p[i]);
+ printf("\">");
+ html_print(req->p[i]);
+ puts("</OPTION>");
+ }
+ puts("</SELECT>");
+ }
+
+ /* Write search radio button */
+
+ printf( "</TD><TD>\n"
+ "<INPUT TYPE=\"radio\" ");
+ if (0 == req->q.equal)
+ printf("CHECKED ");
+ printf( "NAME=\"apropos\" ID=\"search\" VALUE=\"1\">\n"
+ "<LABEL FOR=\"search\">Search with apropos query</LABEL>\n");
+
+ puts("</TD></TR></TABLE>\n"
+ "</FIELDSET>\n"
+ "</FORM>\n"
+ "</DIV>");
+ puts("<!-- End search form. //-->");
}
static void
-resp_index(const struct req *req)
+pg_index(const struct req *req)
{
resp_begin_html(200, NULL);
resp_searchform(req);
+ printf("<P>\n"
+ "This web interface is documented in the "
+ "<A HREF=\"%s/mandoc/man8/man.cgi.8\">man.cgi</A> "
+ "manual, and the "
+ "<A HREF=\"%s/mandoc/man1/apropos.1\">apropos</A> "
+ "manual explains the query syntax.\n"
+ "</P>\n",
+ scriptname, scriptname);
resp_end_html();
}
static void
-resp_badmanual(void)
+pg_noresult(const struct req *req, const char *msg)
{
-
- resp_begin_html(404, "Not Found");
- puts("<P>Requested manual not found.</P>");
+ resp_begin_html(200, NULL);
+ resp_searchform(req);
+ puts("<P>");
+ puts(msg);
+ puts("</P>");
resp_end_html();
}
static void
-resp_badexpr(const struct req *req)
+pg_error_badrequest(const char *msg)
{
- resp_begin_html(200, NULL);
- resp_searchform(req);
- puts("<P>Your search didn't work.</P>");
+ resp_begin_html(400, "Bad Request");
+ puts("<H1>Bad Request</H1>\n"
+ "<P>\n");
+ puts(msg);
+ printf("Try again from the\n"
+ "<A HREF=\"%s\">main page</A>.\n"
+ "</P>", scriptname);
resp_end_html();
}
static void
-resp_baddb(void)
+pg_error_internal(void)
{
-
resp_begin_html(500, "Internal Server Error");
- puts("<P>Your database is broken.</P>");
+ puts("<P>Internal Server Error</P>");
resp_end_html();
}
static void
-resp_search(struct res *r, size_t sz, void *arg)
+pg_searchres(const struct req *req, struct manpage *r, size_t sz)
{
- int i;
+ size_t i, iuse, isec;
+ int prio, priouse;
+ char sec;
if (1 == sz) {
/*
* If we have just one result, then jump there now
* without any delay.
*/
- puts("Status: 303 See Other");
- printf("Location: http://%s%s/show/%u/%u.html\n",
- host, progname,
- r[0].volume, r[0].rec);
- puts("Content-Type: text/html; charset=utf-8\n");
+ printf("Status: 303 See Other\r\n");
+ printf("Location: http://%s%s/%s/%s?",
+ httphost, scriptname, req->q.manpath, r[0].file);
+ http_printquery(req);
+ printf("\r\n"
+ "Content-Type: text/html; charset=utf-8\r\n"
+ "\r\n");
return;
}
+ qsort(r, sz, sizeof(struct manpage), cmp);
+
resp_begin_html(200, NULL);
- resp_searchform((const struct req *)arg);
-
- if (0 == sz)
- puts("<P>No results found.</P>");
-
- for (i = 0; i < (int)sz; i++) {
- printf("<P><A HREF=\"");
- html_print(progname);
- printf("/show/%u/%u.html\">", r[i].volume, r[i].rec);
- html_print(r[i].title);
- putchar('(');
- html_print(r[i].cat);
- if (r[i].arch && '\0' != *r[i].arch) {
- putchar('/');
- html_print(r[i].arch);
+ resp_searchform(req);
+ puts("<DIV CLASS=\"results\">");
+ puts("<TABLE>");
+
+ for (i = 0; i < sz; i++) {
+ printf("<TR>\n"
+ "<TD CLASS=\"title\">\n"
+ "<A HREF=\"%s/%s/%s?",
+ scriptname, req->q.manpath, r[i].file);
+ html_printquery(req);
+ printf("\">");
+ html_print(r[i].names);
+ printf("</A>\n"
+ "</TD>\n"
+ "<TD CLASS=\"desc\">");
+ html_print(r[i].output);
+ puts("</TD>\n"
+ "</TR>");
+ }
+
+ puts("</TABLE>\n"
+ "</DIV>");
+
+ /*
+ * In man(1) mode, show one of the pages
+ * even if more than one is found.
+ */
+
+ if (req->q.equal) {
+ puts("<HR>");
+ iuse = 0;
+ priouse = 10;
+ for (i = 0; i < sz; i++) {
+ isec = strcspn(r[i].file, "123456789");
+ sec = r[i].file[isec];
+ if ('\0' == sec)
+ continue;
+ prio = sec_prios[sec - '1'];
+ if (prio >= priouse)
+ continue;
+ priouse = prio;
+ iuse = i;
}
- printf(")</A> ");
- html_print(r[i].desc);
- puts("</P>");
+ resp_show(req, r[iuse].file);
}
resp_end_html();
}
-/* ARGSUSED */
static void
-pg_index(const struct manpaths *ps, const struct req *req, char *path)
+catman(const struct req *req, const char *file)
{
+ FILE *f;
+ size_t len;
+ int i;
+ char *p;
+ int italic, bold;
+
+ if (NULL == (f = fopen(file, "r"))) {
+ puts("<P>You specified an invalid manual file.</P>");
+ return;
+ }
+
+ puts("<DIV CLASS=\"catman\">\n"
+ "<PRE>");
+
+ while (NULL != (p = fgetln(f, &len))) {
+ bold = italic = 0;
+ for (i = 0; i < (int)len - 1; i++) {
+ /*
+ * This means that the catpage is out of state.
+ * Ignore it and keep going (although the
+ * catpage is bogus).
+ */
+
+ if ('\b' == p[i] || '\n' == p[i])
+ continue;
+
+ /*
+ * Print a regular character.
+ * Close out any bold/italic scopes.
+ * If we're in back-space mode, make sure we'll
+ * have something to enter when we backspace.
+ */
+
+ if ('\b' != p[i + 1]) {
+ if (italic)
+ printf("</I>");
+ if (bold)
+ printf("</B>");
+ italic = bold = 0;
+ html_putchar(p[i]);
+ continue;
+ } else if (i + 2 >= (int)len)
+ continue;
+
+ /* Italic mode. */
+
+ if ('_' == p[i]) {
+ if (bold)
+ printf("</B>");
+ if ( ! italic)
+ printf("<I>");
+ bold = 0;
+ italic = 1;
+ i += 2;
+ html_putchar(p[i]);
+ continue;
+ }
+
+ /*
+ * Handle funny behaviour troff-isms.
+ * These grok'd from the original man2html.c.
+ */
+
+ if (('+' == p[i] && 'o' == p[i + 2]) ||
+ ('o' == p[i] && '+' == p[i + 2]) ||
+ ('|' == p[i] && '=' == p[i + 2]) ||
+ ('=' == p[i] && '|' == p[i + 2]) ||
+ ('*' == p[i] && '=' == p[i + 2]) ||
+ ('=' == p[i] && '*' == p[i + 2]) ||
+ ('*' == p[i] && '|' == p[i + 2]) ||
+ ('|' == p[i] && '*' == p[i + 2])) {
+ if (italic)
+ printf("</I>");
+ if (bold)
+ printf("</B>");
+ italic = bold = 0;
+ putchar('*');
+ i += 2;
+ continue;
+ } else if (('|' == p[i] && '-' == p[i + 2]) ||
+ ('-' == p[i] && '|' == p[i + 1]) ||
+ ('+' == p[i] && '-' == p[i + 1]) ||
+ ('-' == p[i] && '+' == p[i + 1]) ||
+ ('+' == p[i] && '|' == p[i + 1]) ||
+ ('|' == p[i] && '+' == p[i + 1])) {
+ if (italic)
+ printf("</I>");
+ if (bold)
+ printf("</B>");
+ italic = bold = 0;
+ putchar('+');
+ i += 2;
+ continue;
+ }
+
+ /* Bold mode. */
+
+ if (italic)
+ printf("</I>");
+ if ( ! bold)
+ printf("<B>");
+ bold = 1;
+ italic = 0;
+ i += 2;
+ html_putchar(p[i]);
+ }
+
+ /*
+ * Clean up the last character.
+ * We can get to a newline; don't print that.
+ */
+
+ if (italic)
+ printf("</I>");
+ if (bold)
+ printf("</B>");
+
+ if (i == (int)len - 1 && '\n' != p[i])
+ html_putchar(p[i]);
+
+ putchar('\n');
+ }
+
+ puts("</PRE>\n"
+ "</DIV>");
- resp_index(req);
+ fclose(f);
}
static void
-pg_show(const struct manpaths *ps, const struct req *req, char *path)
+format(const struct req *req, const char *file)
{
- pid_t pid;
- char *sub;
- char file[MAXPATHLEN], cmd[MAXPATHLEN];
- int rc;
- unsigned int vol, rec;
- DB *db;
- DBT key, val;
-
- if (NULL == path) {
- resp_badmanual();
- return;
- } else if (NULL == (sub = strrchr(path, '/'))) {
- resp_badmanual();
- return;
- } else
- *sub++ = '\0';
-
- if ( ! (atou(path, &vol) && atou(sub, &rec))) {
- resp_badmanual();
- return;
- } else if (vol >= (unsigned int)ps->sz) {
- resp_badmanual();
+ struct mparse *mp;
+ int fd;
+ struct mdoc *mdoc;
+ struct man *man;
+ void *vp;
+ enum mandoclevel rc;
+ char opts[PATH_MAX + 128];
+
+ if (-1 == (fd = open(file, O_RDONLY, 0))) {
+ puts("<P>You specified an invalid manual file.</P>");
return;
}
- strlcpy(file, ps->paths[vol], MAXPATHLEN);
- strlcat(file, "/mandoc.index", MAXPATHLEN);
-
- /* Open the index recno(3) database. */
+ mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_FATAL, NULL,
+ req->q.manpath);
+ rc = mparse_readfd(mp, fd, file);
+ close(fd);
- db = dbopen(file, O_RDONLY, 0, DB_RECNO, NULL);
- if (NULL == db) {
- resp_baddb();
+ if (rc >= MANDOCLEVEL_FATAL) {
+ fprintf(stderr, "fatal mandoc error: %s/%s\n",
+ req->q.manpath, file);
+ pg_error_internal();
return;
}
- key.data = &rec;
- key.size = 4;
+ snprintf(opts, sizeof(opts),
+ "fragment,man=%s?query=%%N&sec=%%S",
+ scriptname);
- if (0 != (rc = (*db->get)(db, &key, &val, 0))) {
- rc < 0 ? resp_baddb() : resp_badmanual();
- (*db->close)(db);
+ mparse_result(mp, &mdoc, &man, NULL);
+ if (NULL == man && NULL == mdoc) {
+ fprintf(stderr, "fatal mandoc error: %s/%s\n",
+ req->q.manpath, file);
+ pg_error_internal();
+ mparse_free(mp);
return;
- }
+ }
- /* Extra filename: the first nil-terminated entry. */
+ vp = html_alloc(opts);
- strlcpy(file, ps->paths[vol], MAXPATHLEN);
- strlcat(file, "/", MAXPATHLEN);
- strlcat(file, (char *)val.data, MAXPATHLEN);
+ if (NULL != mdoc)
+ html_mdoc(vp, mdoc);
+ else
+ html_man(vp, man);
- (*db->close)(db);
+ html_free(vp);
+ mparse_free(mp);
+}
- strlcpy(cmd, "man=", MAXPATHLEN);
- strlcat(cmd, progname, MAXPATHLEN);
- strlcat(cmd, "/search?expr=%N&sec=%S", MAXPATHLEN);
+static void
+resp_show(const struct req *req, const char *file)
+{
+ if ('.' == file[0] || '/' == file[1])
+ file += 2;
- /* Get ready to call the child mandoc(1) process. */
+ if ('c' == *file)
+ catman(req, file);
+ else
+ format(req, file);
+}
- if (-1 == (pid = fork()))
- exit(EXIT_FAILURE);
+static void
+pg_show(const struct req *req, const char *path)
+{
+ char *sub;
- if (pid > 0) {
- waitpid(pid, NULL, 0);
+ if (NULL == path || NULL == (sub = strchr(path, '/'))) {
+ pg_error_badrequest(
+ "You did not specify a page to show.");
return;
- }
-
- dup2(STDOUT_FILENO, STDERR_FILENO);
+ }
+ *sub++ = '\0';
- puts("Content-Type: text/html; charset=utf-8\n");
+ /*
+ * Begin by chdir()ing into the manpath.
+ * This way we can pick up the database files, which are
+ * relative to the manpath root.
+ */
- fflush(stdout);
+ if (-1 == chdir(path)) {
+ pg_error_badrequest(
+ "You specified an invalid manpath.");
+ return;
+ }
- execlp("mandoc", "mandoc", "-T",
- "html", "-O", cmd, file, (char *)NULL);
+ resp_begin_html(200, NULL);
+ resp_searchform(req);
+ resp_show(req, sub);
+ resp_end_html();
}
static void
-pg_search(const struct manpaths *ps, const struct req *req, char *path)
+pg_search(const struct req *req)
{
- size_t tt;
- int i, sz, rc;
- const char *ep, *start;
- char **cp;
- struct opts opt;
- struct expr *expr;
-
- expr = NULL;
- cp = NULL;
- ep = NULL;
- sz = 0;
+ struct mansearch search;
+ struct manpaths paths;
+ struct manpage *res;
+ char **cp;
+ const char *ep, *start;
+ size_t ressz;
+ int i, sz;
- memset(&opt, 0, sizeof(struct opts));
+ /*
+ * Begin by chdir()ing into the root of the manpath.
+ * This way we can pick up the database files, which are
+ * relative to the manpath root.
+ */
+
+ if (-1 == (chdir(req->q.manpath))) {
+ pg_error_badrequest(
+ "You specified an invalid manpath.");
+ return;
+ }
+
+ search.arch = req->q.arch;
+ search.sec = req->q.sec;
+ search.deftype = req->q.equal ? TYPE_Nm : (TYPE_Nm | TYPE_Nd);
+ search.flags = req->q.equal ? MANSEARCH_MAN : 0;
- for (sz = i = 0; i < (int)req->fieldsz; i++)
- if (0 == strcmp(req->fields[i].key, "expr"))
- ep = req->fields[i].val;
- else if (0 == strcmp(req->fields[i].key, "sec"))
- opt.cat = req->fields[i].val;
- else if (0 == strcmp(req->fields[i].key, "arch"))
- opt.arch = req->fields[i].val;
+ paths.sz = 1;
+ paths.paths = mandoc_malloc(sizeof(char *));
+ paths.paths[0] = mandoc_strdup(".");
/*
- * Poor man's tokenisation.
- * Just break apart by spaces.
+ * Poor man's tokenisation: just break apart by spaces.
* Yes, this is half-ass. But it works for now.
*/
+ ep = req->q.expr;
while (ep && isspace((unsigned char)*ep))
ep++;
+ sz = 0;
+ cp = NULL;
while (ep && '\0' != *ep) {
- cp = mandoc_realloc(cp, (sz + 1) * sizeof(char *));
+ cp = mandoc_reallocarray(cp, sz + 1, sizeof(char *));
start = ep;
while ('\0' != *ep && ! isspace((unsigned char)*ep))
ep++;
ep++;
}
- rc = -1;
-
- /*
- * Pump down into apropos backend.
- * The resp_search() function is called with the results.
- */
-
- if (NULL != (expr = exprcomp(sz, cp, &tt)))
- rc = apropos_search
- (ps->sz, ps->paths, &opt,
- expr, tt, (void *)req, resp_search);
-
- /* ...unless errors occured. */
-
- if (0 == rc)
- resp_baddb();
- else if (-1 == rc)
- resp_badexpr(req);
+ if (0 == mansearch(&search, &paths, sz, cp, "Nd", &res, &ressz))
+ pg_noresult(req, "You entered an invalid query.");
+ else if (0 == ressz)
+ pg_noresult(req, "No results found.");
+ else
+ pg_searchres(req, res, ressz);
for (i = 0; i < sz; i++)
free(cp[i]);
-
free(cp);
- exprfree(expr);
+
+ for (i = 0; i < (int)ressz; i++) {
+ free(res[i].file);
+ free(res[i].names);
+ free(res[i].output);
+ }
+ free(res);
+
+ free(paths.paths[0]);
+ free(paths.paths);
}
int
main(void)
{
- int i;
struct req req;
- char *p, *path, *subpath;
- struct manpaths paths;
-
- /* HTTP init: read and parse the query string. */
-
- progname = getenv("SCRIPT_NAME");
- if (NULL == progname)
- progname = "";
+ const char *path;
+ char *querystring;
+ int i;
- host = getenv("HTTP_HOST");
- if (NULL == host)
- host = "localhost";
+ /* Scan our run-time environment. */
- memset(&req, 0, sizeof(struct req));
+ if (NULL == (scriptname = getenv("SCRIPT_NAME")))
+ scriptname = "";
- if (NULL != (p = getenv("QUERY_STRING")))
- kval_parse(&req.fields, &req.fieldsz, p);
+ if (NULL == (httphost = getenv("HTTP_HOST")))
+ httphost = "localhost";
- /* Resolve leading subpath component. */
+ /*
+ * First we change directory into the MAN_DIR so that
+ * subsequent scanning for manpath directories is rooted
+ * relative to the same position.
+ */
- subpath = path = NULL;
- req.page = PAGE__MAX;
+ if (-1 == chdir(MAN_DIR)) {
+ fprintf(stderr, "MAN_DIR: %s: %s\n",
+ MAN_DIR, strerror(errno));
+ pg_error_internal();
+ return(EXIT_FAILURE);
+ }
- if (NULL == (path = getenv("PATH_INFO")) || '\0' == *path)
- req.page = PAGE_INDEX;
+ memset(&req, 0, sizeof(struct req));
+ pathgen(&req);
- if (NULL != path && '/' == *path && '\0' == *++path)
- req.page = PAGE_INDEX;
+ /* Next parse out the query string. */
- /* Strip file suffix. */
+ if (NULL != (querystring = getenv("QUERY_STRING")))
+ http_parse(&req, querystring);
- if (NULL != path && NULL != (p = strrchr(path, '.')))
- if (NULL != p && NULL == strchr(p, '/'))
- *p++ = '\0';
+ /* Dispatch to the three different pages. */
- /* Resolve subpath component. */
+ path = getenv("PATH_INFO");
+ if (NULL == path)
+ path = "";
+ else if ('/' == *path)
+ path++;
- if (NULL != path && NULL != (subpath = strchr(path, '/')))
- *subpath++ = '\0';
+ if ('\0' != *path)
+ pg_show(&req, path);
+ else if (NULL != req.q.expr)
+ pg_search(&req);
+ else
+ pg_index(&req);
- /* Map path into one we recognise. */
+ for (i = 0; i < (int)req.psz; i++)
+ free(req.p[i]);
+ free(req.p);
+ return(EXIT_SUCCESS);
+}
- if (NULL != path && '\0' != *path)
- for (i = 0; i < (int)PAGE__MAX; i++)
- if (0 == strcmp(pages[i], path)) {
- req.page = (enum page)i;
- break;
- }
+static int
+cmp(const void *p1, const void *p2)
+{
- /* Initialise MANPATH. */
+ return(strcasecmp(((const struct manpage *)p1)->names,
+ ((const struct manpage *)p2)->names));
+}
- memset(&paths, 0, sizeof(struct manpaths));
- manpath_parse(&paths, NULL, NULL);
+/*
+ * Scan for indexable paths.
+ */
+static void
+pathgen(struct req *req)
+{
+ FILE *fp;
+ char *dp;
+ size_t dpsz;
- /* Route pages. */
+ if (NULL == (fp = fopen("manpath.conf", "r")))
+ return;
- switch (req.page) {
- case (PAGE_INDEX):
- pg_index(&paths, &req, subpath);
- break;
- case (PAGE_SEARCH):
- pg_search(&paths, &req, subpath);
- break;
- case (PAGE_SHOW):
- pg_show(&paths, &req, subpath);
- break;
- default:
- break;
+ while (NULL != (dp = fgetln(fp, &dpsz))) {
+ if ('\n' == dp[dpsz - 1])
+ dpsz--;
+ req->p = mandoc_realloc(req->p,
+ (req->psz + 1) * sizeof(char *));
+ req->p[req->psz++] = mandoc_strndup(dp, dpsz);
}
-
- manpath_free(&paths);
- kval_free(req.fields, req.fieldsz);
-
- return(EXIT_SUCCESS);
}
git.ckatri.com / mandoc.git / blobdiff