-/* $Id: cgi.c,v 1.124 2016/04/15 00:37:50 schwarze Exp $ */
+/* $Id: cgi.c,v 1.135 2016/07/11 22:48:37 schwarze Exp $ */
/*
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@usta.de>
#include <sys/time.h>
#include <ctype.h>
+#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
int isquery; /* QUERY_STRING used, not PATH_INFO */
};
-static void catman(const struct req *, const char *);
-static void format(const struct req *, const char *);
+enum focus {
+ FOCUS_NONE = 0,
+ FOCUS_QUERY
+};
+
static void html_print(const char *);
static void html_putchar(char);
static int http_decode(char *);
-static void http_parse(struct req *, const char *);
-static void pathgen(struct req *);
-static void path_parse(struct req *req, const char *path);
+static void parse_manpath_conf(struct req *);
+static void parse_path_info(struct req *req, const char *path);
+static void parse_query_string(struct req *, const char *);
static void pg_error_badrequest(const char *);
static void pg_error_internal(void);
static void pg_index(const struct req *);
static void pg_show(struct req *, const char *);
static void resp_begin_html(int, const char *);
static void resp_begin_http(int, const char *);
+static void resp_catman(const struct req *, const char *);
static void resp_copy(const char *);
static void resp_end_html(void);
-static void resp_searchform(const struct req *);
+static void resp_format(const struct req *, const char *);
+static void resp_searchform(const struct req *, enum focus);
static void resp_show(const struct req *, const char *);
static void set_query_attr(char **, char **);
static int validate_filename(const 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",
+ "hppa", "hppa64", "i386", "landisk",
+ "loongson", "luna88k", "macppc", "mips64",
+ "octeon", "sgi", "socppc", "sparc",
+ "sparc64", "zaurus",
"amiga", "arc", "arm32", "atari",
- "beagle", "cats", "hp300", "mac68k",
- "mvme68k", "mvme88k", "mvmeppc", "palm",
- "pc532", "pegasos", "pmax", "powerpc",
- "sun3", "wgrisc", "x68k"
+ "aviion", "beagle", "cats", "hp300",
+ "ia64", "mac68k", "mvme68k", "mvme88k",
+ "mvmeppc", "palm", "pc532", "pegasos",
+ "pmax", "powerpc", "solbourne", "sun3",
+ "vax", "wgrisc", "x68k"
};
static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
* and store the values into the query structure.
*/
static void
-http_parse(struct req *req, const char *qs)
+parse_query_string(struct req *req, const char *qs)
{
char *key, *val;
size_t keysz, valsz;
resp_begin_http(code, msg);
printf("<!DOCTYPE html>\n"
- "<HTML>\n"
- "<HEAD>\n"
- "<META CHARSET=\"UTF-8\" />\n"
- "<LINK REL=\"stylesheet\" HREF=\"%s/mandoc.css\""
- " TYPE=\"text/css\" media=\"all\">\n"
- "<TITLE>%s</TITLE>\n"
- "</HEAD>\n"
- "<BODY>\n"
+ "<html>\n"
+ "<head>\n"
+ "<meta charset=\"UTF-8\"/>\n"
+ "<link rel=\"stylesheet\" href=\"%s/mandoc.css\""
+ " type=\"text/css\" media=\"all\">\n"
+ "<title>%s</title>\n"
+ "</head>\n"
+ "<body>\n"
"<!-- Begin page content. //-->\n",
CSS_DIR, CUSTOMIZE_TITLE);
resp_copy(MAN_DIR "/footer.html");
- puts("</BODY>\n"
- "</HTML>");
+ puts("</body>\n"
+ "</html>");
}
static void
-resp_searchform(const struct req *req)
+resp_searchform(const struct req *req, enum focus focus)
{
int i;
puts("<!-- Begin search form. //-->");
- printf("<DIV ID=\"mancgi\">\n"
- "<FORM ACTION=\"/%s\" METHOD=\"get\">\n"
- "<FIELDSET>\n"
- "<LEGEND>Manual Page Search Parameters</LEGEND>\n",
+ 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.query)
+ printf("<input type=\"text\" name=\"query\" value=\"");
+ if (req->q.query != NULL)
html_print(req->q.query);
- puts("\" SIZE=\"40\">");
-
- /* Write submission and reset buttons. */
-
- printf( "<INPUT TYPE=\"submit\" VALUE=\"Submit\">\n"
- "<INPUT TYPE=\"reset\" VALUE=\"Reset\">\n");
+ printf( "\" size=\"40\"");
+ if (focus == FOCUS_QUERY)
+ printf(" autofocus");
+ puts(">");
- /* Write show radio button */
+ /* Write submission buttons. */
- printf( "</TD><TD>\n"
- "<INPUT TYPE=\"radio\" ");
- if (req->q.equal)
- printf("CHECKED=\"checked\" ");
- printf( "NAME=\"apropos\" ID=\"show\" VALUE=\"0\">\n"
- "<LABEL FOR=\"show\">Show named manual page</LABEL>\n");
+ printf( "<button type=\"submit\" name=\"apropos\" value=\"0\">"
+ "man</button>\n"
+ "<button type=\"submit\" name=\"apropos\" value=\"1\">"
+ "apropos</button>\n<br/>\n");
/* Write section selector. */
- puts( "</TD></TR><TR><TD>\n"
- "<SELECT NAME=\"sec\">");
+ puts("<select name=\"sec\">");
for (i = 0; i < sec_MAX; i++) {
- printf("<OPTION VALUE=\"%s\"", sec_numbers[i]);
+ printf("<option value=\"%s\"", sec_numbers[i]);
if (NULL != req->q.sec &&
0 == strcmp(sec_numbers[i], req->q.sec))
- printf(" SELECTED=\"selected\"");
- printf(">%s</OPTION>\n", sec_names[i]);
+ printf(" selected=\"selected\"");
+ printf(">%s</option>\n", sec_names[i]);
}
- puts("</SELECT>");
+ puts("</select>");
/* Write architecture selector. */
- printf( "<SELECT NAME=\"arch\">\n"
- "<OPTION VALUE=\"default\"");
+ printf( "<select name=\"arch\">\n"
+ "<option value=\"default\"");
if (NULL == req->q.arch)
- printf(" SELECTED=\"selected\"");
- puts(">All Architectures</OPTION>");
+ printf(" selected=\"selected\"");
+ puts(">All Architectures</option>");
for (i = 0; i < arch_MAX; i++) {
- printf("<OPTION VALUE=\"%s\"", arch_names[i]);
+ printf("<option value=\"%s\"", arch_names[i]);
if (NULL != req->q.arch &&
0 == strcmp(arch_names[i], req->q.arch))
- printf(" SELECTED=\"selected\"");
- printf(">%s</OPTION>\n", arch_names[i]);
+ printf(" selected=\"selected\"");
+ printf(">%s</option>\n", arch_names[i]);
}
- puts("</SELECT>");
+ puts("</select>");
/* Write manpath selector. */
if (req->psz > 1) {
- puts("<SELECT NAME=\"manpath\">");
+ puts("<select name=\"manpath\">");
for (i = 0; i < (int)req->psz; i++) {
- printf("<OPTION ");
+ printf("<option ");
if (strcmp(req->q.manpath, req->p[i]) == 0)
- printf("SELECTED=\"selected\" ");
- printf("VALUE=\"");
+ printf("selected=\"selected\" ");
+ printf("value=\"");
html_print(req->p[i]);
printf("\">");
html_print(req->p[i]);
- puts("</OPTION>");
+ puts("</option>");
}
- puts("</SELECT>");
+ puts("</select>");
}
- /* Write search radio button */
-
- printf( "</TD><TD>\n"
- "<INPUT TYPE=\"radio\" ");
- if (0 == req->q.equal)
- printf("CHECKED=\"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("</fieldset>\n"
+ "</form>\n"
+ "</div>");
puts("<!-- End search form. //-->");
}
{
size_t i;
- if ( ! strcmp(manpath, "mandoc"))
- return 1;
-
for (i = 0; i < req->psz; i++)
if ( ! strcmp(manpath, req->p[i]))
return 1;
{
resp_begin_html(200, NULL);
- resp_searchform(req);
- printf("<P>\n"
+ resp_searchform(req, FOCUS_QUERY);
+ printf("<p>\n"
"This web interface is documented in the\n"
- "<A HREF=\"/%s%smandoc/man8/man.cgi.8\">man.cgi</A>\n"
+ "<a href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
"manual, and the\n"
- "<A HREF=\"/%s%smandoc/man1/apropos.1\">apropos</A>\n"
+ "<a href=\"/%s%sapropos.1\">apropos(1)</a>\n"
"manual explains the query syntax.\n"
- "</P>\n",
+ "</p>\n",
scriptname, *scriptname == '\0' ? "" : "/",
scriptname, *scriptname == '\0' ? "" : "/");
resp_end_html();
pg_noresult(const struct req *req, const char *msg)
{
resp_begin_html(200, NULL);
- resp_searchform(req);
- puts("<P>");
+ resp_searchform(req, FOCUS_QUERY);
+ puts("<p>");
puts(msg);
- puts("</P>");
+ puts("</p>");
resp_end_html();
}
{
resp_begin_html(400, "Bad Request");
- puts("<H1>Bad Request</H1>\n"
- "<P>\n");
+ 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);
+ "<a href=\"/%s\">main page</a>.\n"
+ "</p>", scriptname);
resp_end_html();
}
pg_error_internal(void)
{
resp_begin_html(500, "Internal Server Error");
- puts("<P>Internal Server Error</P>");
+ puts("<p>Internal Server Error</p>");
resp_end_html();
}
for (i = 0; i < sz; i++) {
if (validate_filename(r[i].file))
continue;
- fprintf(stderr, "invalid filename %s in %s database\n",
+ warnx("invalid filename %s in %s database",
r[i].file, req->q.manpath);
pg_error_internal();
return;
}
resp_begin_html(200, NULL);
- resp_searchform(req);
+ resp_searchform(req,
+ req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
if (sz > 1) {
- puts("<DIV CLASS=\"results\">");
- puts("<TABLE>");
+ puts("<div class=\"results\">");
+ puts("<table>");
for (i = 0; i < sz; i++) {
- printf("<TR>\n"
- "<TD CLASS=\"title\">\n"
- "<A HREF=\"/%s%s%s/%s",
+ printf("<tr>\n"
+ "<td class=\"title\">\n"
+ "<a href=\"/%s%s%s/%s",
scriptname, *scriptname == '\0' ? "" : "/",
req->q.manpath, r[i].file);
printf("\">");
html_print(r[i].names);
- printf("</A>\n"
- "</TD>\n"
- "<TD CLASS=\"desc\">");
+ printf("</a>\n"
+ "</td>\n"
+ "<td class=\"desc\">");
html_print(r[i].output);
- puts("</TD>\n"
- "</TR>");
+ puts("</td>\n"
+ "</tr>");
}
- puts("</TABLE>\n"
- "</DIV>");
+ puts("</table>\n"
+ "</div>");
}
/*
*/
if (req->q.equal || sz == 1) {
- puts("<HR>");
+ puts("<hr>");
iuse = 0;
priouse = 20;
archpriouse = 3;
}
static void
-catman(const struct req *req, const char *file)
+resp_catman(const struct req *req, const char *file)
{
FILE *f;
char *p;
int italic, bold;
if ((f = fopen(file, "r")) == NULL) {
- puts("<P>You specified an invalid manual file.</P>");
+ puts("<p>You specified an invalid manual file.</p>");
return;
}
- puts("<DIV CLASS=\"catman\">\n"
- "<PRE>");
+ puts("<div class=\"catman\">\n"
+ "<pre>");
p = NULL;
sz = 0;
if ('\b' != p[i + 1]) {
if (italic)
- printf("</I>");
+ printf("</i>");
if (bold)
- printf("</B>");
+ printf("</b>");
italic = bold = 0;
html_putchar(p[i]);
continue;
if ('_' == p[i]) {
if (bold)
- printf("</B>");
+ printf("</b>");
if ( ! italic)
- printf("<I>");
+ printf("<i>");
bold = 0;
italic = 1;
i += 2;
('*' == p[i] && '|' == p[i + 2]) ||
('|' == p[i] && '*' == p[i + 2])) {
if (italic)
- printf("</I>");
+ printf("</i>");
if (bold)
- printf("</B>");
+ printf("</b>");
italic = bold = 0;
putchar('*');
i += 2;
('+' == p[i] && '|' == p[i + 1]) ||
('|' == p[i] && '+' == p[i + 1])) {
if (italic)
- printf("</I>");
+ printf("</i>");
if (bold)
- printf("</B>");
+ printf("</b>");
italic = bold = 0;
putchar('+');
i += 2;
/* Bold mode. */
if (italic)
- printf("</I>");
+ printf("</i>");
if ( ! bold)
- printf("<B>");
+ printf("<b>");
bold = 1;
italic = 0;
i += 2;
*/
if (italic)
- printf("</I>");
+ printf("</i>");
if (bold)
- printf("</B>");
+ printf("</b>");
if (i == len - 1 && p[i] != '\n')
html_putchar(p[i]);
}
free(p);
- puts("</PRE>\n"
- "</DIV>");
+ puts("</pre>\n"
+ "</div>");
fclose(f);
}
static void
-format(const struct req *req, const char *file)
+resp_format(const struct req *req, const char *file)
{
struct manoutput conf;
struct mparse *mp;
int usepath;
if (-1 == (fd = open(file, O_RDONLY, 0))) {
- puts("<P>You specified an invalid manual file.</P>");
+ puts("<p>You specified an invalid manual file.</p>");
return;
}
mparse_result(mp, &man, NULL);
if (man == NULL) {
- fprintf(stderr, "fatal mandoc error: %s/%s\n",
- req->q.manpath, file);
+ warnx("fatal mandoc error: %s/%s", req->q.manpath, file);
pg_error_internal();
mparse_free(mp);
mchars_free();
file += 2;
if ('c' == *file)
- catman(req, file);
+ resp_catman(req, file);
else
- format(req, file);
+ resp_format(req, file);
}
static void
*/
if (chdir(manpath) == -1) {
- fprintf(stderr, "chdir %s: %s\n",
- manpath, strerror(errno));
+ warn("chdir %s", manpath);
pg_error_internal();
free(manpath);
return;
}
-
- if (strcmp(manpath, "mandoc")) {
- free(req->q.manpath);
- req->q.manpath = manpath;
- } else
- free(manpath);
+ free(manpath);
if ( ! validate_filename(file)) {
pg_error_badrequest(
}
resp_begin_html(200, NULL);
- resp_searchform(req);
+ resp_searchform(req, FOCUS_NONE);
resp_show(req, file);
resp_end_html();
}
* relative to the manpath root.
*/
- if (-1 == (chdir(req->q.manpath))) {
- fprintf(stderr, "chdir %s: %s\n",
- req->q.manpath, strerror(errno));
+ if (chdir(req->q.manpath) == -1) {
+ warn("chdir %s", req->q.manpath);
pg_error_internal();
return;
}
itimer.it_interval.tv_sec = 2;
itimer.it_interval.tv_usec = 0;
if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
- fprintf(stderr, "setitimer: %s\n", strerror(errno));
+ warn("setitimer");
pg_error_internal();
return EXIT_FAILURE;
}
* relative to the same position.
*/
- if (-1 == chdir(MAN_DIR)) {
- fprintf(stderr, "MAN_DIR: %s: %s\n",
- MAN_DIR, strerror(errno));
+ if (chdir(MAN_DIR) == -1) {
+ warn("MAN_DIR: %s", MAN_DIR);
pg_error_internal();
return EXIT_FAILURE;
}
memset(&req, 0, sizeof(struct req));
req.q.equal = 1;
- pathgen(&req);
+ parse_manpath_conf(&req);
/* Parse the path info and the query string. */
path++;
if (*path != '\0') {
- path_parse(&req, path);
- if (access(path, F_OK) == -1)
+ parse_path_info(&req, path);
+ if (req.q.manpath == NULL || access(path, F_OK) == -1)
path = "";
} else if ((querystring = getenv("QUERY_STRING")) != NULL)
- http_parse(&req, querystring);
+ parse_query_string(&req, querystring);
/* Validate parsed data and add defaults. */
* If PATH_INFO is not a file name, translate it to a query.
*/
static void
-path_parse(struct req *req, const char *path)
+parse_path_info(struct req *req, const char *path)
{
- int dir_done;
+ char *dir[4];
+ int i;
req->isquery = 0;
req->q.equal = 1;
req->q.manpath = mandoc_strdup(path);
+ req->q.arch = NULL;
/* Mandatory manual page name. */
if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) {
}
/* Handle the case of name[.section] only. */
- if (req->q.manpath == NULL) {
- req->q.arch = NULL;
+ if (req->q.manpath == NULL)
return;
- }
req->q.query = mandoc_strdup(req->q.query);
- /* Optional architecture. */
- dir_done = 0;
- for (;;) {
- if ((req->q.arch = strrchr(req->q.manpath, '/')) == NULL)
- break;
- *req->q.arch++ = '\0';
- if (dir_done || strncmp(req->q.arch, "man", 3)) {
- req->q.arch = mandoc_strdup(req->q.arch);
- break;
+ /* Split directory components. */
+ dir[i = 0] = req->q.manpath;
+ while ((dir[i + 1] = strchr(dir[i], '/')) != NULL) {
+ if (++i == 3) {
+ pg_error_badrequest(
+ "You specified too many directory components.");
+ exit(EXIT_FAILURE);
}
+ *dir[i]++ = '\0';
+ }
- /* Optional directory name. */
- req->q.arch += 3;
- if (*req->q.arch != '\0') {
- free(req->q.sec);
- req->q.sec = mandoc_strdup(req->q.arch);
- }
- dir_done = 1;
+ /* Optional manpath. */
+ if ((i = validate_manpath(req, req->q.manpath)) == 0)
+ req->q.manpath = NULL;
+ else if (dir[1] == NULL)
+ return;
+
+ /* Optional section. */
+ if (strncmp(dir[i], "man", 3) == 0) {
+ free(req->q.sec);
+ req->q.sec = mandoc_strdup(dir[i++] + 3);
+ }
+ if (dir[i] == NULL) {
+ if (req->q.manpath == NULL)
+ free(dir[0]);
+ return;
+ }
+ if (dir[i + 1] != NULL) {
+ pg_error_badrequest(
+ "You specified an invalid directory component.");
+ exit(EXIT_FAILURE);
}
+
+ /* Optional architecture. */
+ if (i) {
+ req->q.arch = mandoc_strdup(dir[i]);
+ if (req->q.manpath == NULL)
+ free(dir[0]);
+ } else
+ req->q.arch = dir[0];
}
/*
* Scan for indexable paths.
*/
static void
-pathgen(struct req *req)
+parse_manpath_conf(struct req *req)
{
FILE *fp;
char *dp;
size_t dpsz;
ssize_t len;
- if (NULL == (fp = fopen("manpath.conf", "r"))) {
- fprintf(stderr, "%s/manpath.conf: %s\n",
- MAN_DIR, strerror(errno));
+ if ((fp = fopen("manpath.conf", "r")) == NULL) {
+ warn("%s/manpath.conf", MAN_DIR);
pg_error_internal();
exit(EXIT_FAILURE);
}
req->p = mandoc_realloc(req->p,
(req->psz + 1) * sizeof(char *));
if ( ! validate_urifrag(dp)) {
- fprintf(stderr, "%s/manpath.conf contains "
- "unsafe path \"%s\"\n", MAN_DIR, dp);
+ warnx("%s/manpath.conf contains "
+ "unsafe path \"%s\"", MAN_DIR, dp);
pg_error_internal();
exit(EXIT_FAILURE);
}
- if (NULL != strchr(dp, '/')) {
- fprintf(stderr, "%s/manpath.conf contains "
- "path with slash \"%s\"\n", MAN_DIR, dp);
+ if (strchr(dp, '/') != NULL) {
+ warnx("%s/manpath.conf contains "
+ "path with slash \"%s\"", MAN_DIR, dp);
pg_error_internal();
exit(EXIT_FAILURE);
}
}
free(dp);
- if ( req->p == NULL ) {
- fprintf(stderr, "%s/manpath.conf is empty\n", MAN_DIR);
+ if (req->p == NULL) {
+ warnx("%s/manpath.conf is empty", MAN_DIR);
pg_error_internal();
exit(EXIT_FAILURE);
}
git.ckatri.com / mandoc.git / blobdiff