version 1.127, 2016/04/15 15:13:07 |
version 1.173, 2020/06/29 19:22:09 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
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* Copyright (c) 2014-2019 Ingo Schwarze <schwarze@usta.de> |
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@usta.de> |
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* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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* |
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* Implementation of the man.cgi(8) program. |
*/ |
*/ |
#include "config.h" |
#include "config.h" |
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#include <sys/time.h> |
#include <sys/time.h> |
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#include <ctype.h> |
#include <ctype.h> |
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#if HAVE_ERR |
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#include <err.h> |
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#endif |
#include <errno.h> |
#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <limits.h> |
#include <limits.h> |
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#include "roff.h" |
#include "roff.h" |
#include "mdoc.h" |
#include "mdoc.h" |
#include "man.h" |
#include "man.h" |
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#include "mandoc_parse.h" |
#include "main.h" |
#include "main.h" |
#include "manconf.h" |
#include "manconf.h" |
#include "mansearch.h" |
#include "mansearch.h" |
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int isquery; /* QUERY_STRING used, not PATH_INFO */ |
int isquery; /* QUERY_STRING used, not PATH_INFO */ |
}; |
}; |
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static void catman(const struct req *, const char *); |
enum focus { |
static void format(const struct req *, const char *); |
FOCUS_NONE = 0, |
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FOCUS_QUERY |
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}; |
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static void html_print(const char *); |
static void html_print(const char *); |
static void html_putchar(char); |
static void html_putchar(char); |
static int http_decode(char *); |
static int http_decode(char *); |
static void http_parse(struct req *, const char *); |
static void http_encode(const char *); |
static void pathgen(struct req *); |
static void parse_manpath_conf(struct req *); |
static void path_parse(struct req *req, const char *path); |
static void parse_path_info(struct req *, const char *); |
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static void parse_query_string(struct req *, const char *); |
static void pg_error_badrequest(const char *); |
static void pg_error_badrequest(const char *); |
static void pg_error_internal(void); |
static void pg_error_internal(void); |
static void pg_index(const struct req *); |
static void pg_index(const struct req *); |
static void pg_noresult(const struct req *, const char *); |
static void pg_noresult(const struct req *, int, const char *, |
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const char *); |
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static void pg_redirect(const struct req *, const char *); |
static void pg_search(const struct req *); |
static void pg_search(const struct req *); |
static void pg_searchres(const struct req *, |
static void pg_searchres(const struct req *, |
struct manpage *, size_t); |
struct manpage *, size_t); |
static void pg_show(struct req *, const char *); |
static void pg_show(struct req *, const char *); |
static void resp_begin_html(int, const char *); |
static void resp_begin_html(int, const char *, const char *); |
static void resp_begin_http(int, const char *); |
static void resp_begin_http(int, const char *); |
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static void resp_catman(const struct req *, const char *); |
static void resp_copy(const char *); |
static void resp_copy(const char *); |
static void resp_end_html(void); |
static void resp_end_html(void); |
static void resp_searchform(const struct req *); |
static void resp_format(const struct req *, const char *); |
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static void resp_searchform(const struct req *, enum focus); |
static void resp_show(const struct req *, const char *); |
static void resp_show(const struct req *, const char *); |
static void set_query_attr(char **, char **); |
static void set_query_attr(char **, char **); |
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static int validate_arch(const char *); |
static int validate_filename(const char *); |
static int validate_filename(const char *); |
static int validate_manpath(const struct req *, const char *); |
static int validate_manpath(const struct req *, const char *); |
static int validate_urifrag(const char *); |
static int validate_urifrag(const char *); |
Line 107 static const char *const sec_names[] = { |
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Line 122 static const char *const sec_names[] = { |
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static const int sec_MAX = sizeof(sec_names) / sizeof(char *); |
static const int sec_MAX = sizeof(sec_names) / sizeof(char *); |
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static const char *const arch_names[] = { |
static const char *const arch_names[] = { |
"amd64", "alpha", "armish", "armv7", |
"amd64", "alpha", "armv7", "arm64", |
"hppa", "hppa64", "i386", "landisk", |
"hppa", "i386", "landisk", "loongson", |
"loongson", "luna88k", "macppc", "mips64", |
"luna88k", "macppc", "mips64", "octeon", |
"octeon", "sgi", "socppc", "sparc", |
"powerpc64", "sgi", "socppc", "sparc64", |
"sparc64", "zaurus", |
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"amiga", "arc", "arm32", "atari", |
"amiga", "arc", "armish", "arm32", |
"aviion", "beagle", "cats", "hp300", |
"atari", "aviion", "beagle", "cats", |
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"hppa64", "hp300", |
"ia64", "mac68k", "mvme68k", "mvme88k", |
"ia64", "mac68k", "mvme68k", "mvme88k", |
"mvmeppc", "palm", "pc532", "pegasos", |
"mvmeppc", "palm", "pc532", "pegasos", |
"pmax", "powerpc", "solbourne", "sun3", |
"pmax", "powerpc", "solbourne", "sparc", |
"vax", "wgrisc", "x68k" |
"sun3", "vax", "wgrisc", "x68k", |
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"zaurus" |
}; |
}; |
static const int arch_MAX = sizeof(arch_names) / sizeof(char *); |
static const int arch_MAX = sizeof(arch_names) / sizeof(char *); |
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Line 130 html_putchar(char c) |
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Line 147 html_putchar(char c) |
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{ |
{ |
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switch (c) { |
switch (c) { |
case ('"'): |
case '"': |
printf(""e;"); |
printf("""); |
break; |
break; |
case ('&'): |
case '&': |
printf("&"); |
printf("&"); |
break; |
break; |
case ('>'): |
case '>': |
printf(">"); |
printf(">"); |
break; |
break; |
case ('<'): |
case '<': |
printf("<"); |
printf("<"); |
break; |
break; |
default: |
default: |
Line 184 set_query_attr(char **attr, char **val) |
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Line 201 set_query_attr(char **attr, char **val) |
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* and store the values into the query structure. |
* and store the values into the query structure. |
*/ |
*/ |
static void |
static void |
http_parse(struct req *req, const char *qs) |
parse_query_string(struct req *req, const char *qs) |
{ |
{ |
char *key, *val; |
char *key, *val; |
size_t keysz, valsz; |
size_t keysz, valsz; |
Line 306 http_decode(char *p) |
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Line 323 http_decode(char *p) |
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} |
} |
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static void |
static void |
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http_encode(const char *p) |
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{ |
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for (; *p != '\0'; p++) { |
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if (isalnum((unsigned char)*p) == 0 && |
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strchr("-._~", *p) == NULL) |
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printf("%%%2.2X", (unsigned char)*p); |
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else |
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putchar(*p); |
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} |
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} |
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static void |
resp_begin_http(int code, const char *msg) |
resp_begin_http(int code, const char *msg) |
{ |
{ |
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Line 314 resp_begin_http(int code, const char *msg) |
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Line 343 resp_begin_http(int code, const char *msg) |
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printf("Content-Type: text/html; charset=utf-8\r\n" |
printf("Content-Type: text/html; charset=utf-8\r\n" |
"Cache-Control: no-cache\r\n" |
"Cache-Control: no-cache\r\n" |
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"Content-Security-Policy: default-src 'none'; " |
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"style-src 'self' 'unsafe-inline'\r\n" |
"Pragma: no-cache\r\n" |
"Pragma: no-cache\r\n" |
"\r\n"); |
"\r\n"); |
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Line 331 resp_copy(const char *filename) |
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Line 362 resp_copy(const char *filename) |
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fflush(stdout); |
fflush(stdout); |
while ((sz = read(fd, buf, sizeof(buf))) > 0) |
while ((sz = read(fd, buf, sizeof(buf))) > 0) |
write(STDOUT_FILENO, buf, sz); |
write(STDOUT_FILENO, buf, sz); |
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close(fd); |
} |
} |
} |
} |
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static void |
static void |
resp_begin_html(int code, const char *msg) |
resp_begin_html(int code, const char *msg, const char *file) |
{ |
{ |
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char *cp; |
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resp_begin_http(code, msg); |
resp_begin_http(code, msg); |
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printf("<!DOCTYPE html>\n" |
printf("<!DOCTYPE html>\n" |
"<html>\n" |
"<html>\n" |
"<head>\n" |
"<head>\n" |
"<meta charset=\"UTF-8\"/>\n" |
" <meta charset=\"UTF-8\"/>\n" |
"<link rel=\"stylesheet\" href=\"%s/mandoc.css\"" |
" <meta name=\"viewport\"" |
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" content=\"width=device-width, initial-scale=1.0\">\n" |
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" <link rel=\"stylesheet\" href=\"%s/mandoc.css\"" |
" type=\"text/css\" media=\"all\">\n" |
" type=\"text/css\" media=\"all\">\n" |
"<title>%s</title>\n" |
" <title>", |
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CSS_DIR); |
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if (file != NULL) { |
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if ((cp = strrchr(file, '/')) != NULL) |
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file = cp + 1; |
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if ((cp = strrchr(file, '.')) != NULL) { |
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printf("%.*s(%s) - ", (int)(cp - file), file, cp + 1); |
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} else |
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printf("%s - ", file); |
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} |
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printf("%s</title>\n" |
"</head>\n" |
"</head>\n" |
"<body>\n" |
"<body>\n", |
"<!-- Begin page content. //-->\n", |
CUSTOMIZE_TITLE); |
CSS_DIR, CUSTOMIZE_TITLE); |
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resp_copy(MAN_DIR "/header.html"); |
resp_copy(MAN_DIR "/header.html"); |
} |
} |
Line 366 resp_end_html(void) |
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Line 410 resp_end_html(void) |
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} |
} |
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static void |
static void |
resp_searchform(const struct req *req) |
resp_searchform(const struct req *req, enum focus focus) |
{ |
{ |
int i; |
int i; |
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puts("<!-- Begin search form. //-->"); |
printf("<form action=\"/%s\" method=\"get\" " |
printf("<div id=\"mancgi\">\n" |
"autocomplete=\"off\" autocapitalize=\"none\">\n" |
"<form action=\"/%s\" method=\"get\">\n" |
" <fieldset>\n" |
"<fieldset>\n" |
" <legend>Manual Page Search Parameters</legend>\n", |
"<legend>Manual Page Search Parameters</legend>\n", |
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scriptname); |
scriptname); |
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/* Write query input box. */ |
/* Write query input box. */ |
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printf( "<table><tr><td>\n" |
printf(" <input type=\"search\" name=\"query\" value=\""); |
"<input type=\"text\" name=\"query\" value=\""); |
if (req->q.query != NULL) |
if (NULL != req->q.query) |
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html_print(req->q.query); |
html_print(req->q.query); |
puts("\" size=\"40\">"); |
printf( "\" size=\"40\""); |
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if (focus == FOCUS_QUERY) |
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printf(" autofocus"); |
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puts(">"); |
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/* Write submission and reset buttons. */ |
/* Write submission buttons. */ |
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printf( "<input type=\"submit\" value=\"Submit\">\n" |
printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">" |
"<input type=\"reset\" value=\"Reset\">\n"); |
"man</button>\n" |
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" <button type=\"submit\" name=\"apropos\" value=\"1\">" |
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"apropos</button>\n" |
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" <br/>\n"); |
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/* Write show radio button */ |
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printf( "</td><td>\n" |
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"<input type=\"radio\" "); |
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if (req->q.equal) |
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printf("checked=\"checked\" "); |
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printf( "name=\"apropos\" id=\"show\" value=\"0\">\n" |
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"<label for=\"show\">Show named manual page</label>\n"); |
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/* Write section selector. */ |
/* Write section selector. */ |
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puts( "</td></tr><tr><td>\n" |
puts(" <select name=\"sec\">"); |
"<select name=\"sec\">"); |
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for (i = 0; i < sec_MAX; i++) { |
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 && |
if (NULL != req->q.sec && |
0 == strcmp(sec_numbers[i], req->q.sec)) |
0 == strcmp(sec_numbers[i], req->q.sec)) |
printf(" selected=\"selected\""); |
printf(" selected=\"selected\""); |
printf(">%s</option>\n", sec_names[i]); |
printf(">%s</option>\n", sec_names[i]); |
} |
} |
puts("</select>"); |
puts(" </select>"); |
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/* Write architecture selector. */ |
/* Write architecture selector. */ |
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printf( "<select name=\"arch\">\n" |
printf( " <select name=\"arch\">\n" |
"<option value=\"default\""); |
" <option value=\"default\""); |
if (NULL == req->q.arch) |
if (NULL == req->q.arch) |
printf(" selected=\"selected\""); |
printf(" selected=\"selected\""); |
puts(">All Architectures</option>"); |
puts(">All Architectures</option>"); |
for (i = 0; i < arch_MAX; i++) { |
for (i = 0; i < arch_MAX; i++) { |
printf("<option value=\"%s\"", arch_names[i]); |
printf(" <option"); |
if (NULL != req->q.arch && |
if (NULL != req->q.arch && |
0 == strcmp(arch_names[i], req->q.arch)) |
0 == strcmp(arch_names[i], req->q.arch)) |
printf(" selected=\"selected\""); |
printf(" selected=\"selected\""); |
printf(">%s</option>\n", arch_names[i]); |
printf(">%s</option>\n", arch_names[i]); |
} |
} |
puts("</select>"); |
puts(" </select>"); |
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/* Write manpath selector. */ |
/* Write manpath selector. */ |
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if (req->psz > 1) { |
if (req->psz > 1) { |
puts("<select name=\"manpath\">"); |
puts(" <select name=\"manpath\">"); |
for (i = 0; i < (int)req->psz; i++) { |
for (i = 0; i < (int)req->psz; i++) { |
printf("<option "); |
printf(" <option"); |
if (strcmp(req->q.manpath, req->p[i]) == 0) |
if (strcmp(req->q.manpath, req->p[i]) == 0) |
printf("selected=\"selected\" "); |
printf(" selected=\"selected\""); |
printf("value=\""); |
printf(">"); |
html_print(req->p[i]); |
html_print(req->p[i]); |
printf("\">"); |
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html_print(req->p[i]); |
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puts("</option>"); |
puts("</option>"); |
} |
} |
puts("</select>"); |
puts(" </select>"); |
} |
} |
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/* Write search radio button */ |
puts(" </fieldset>\n" |
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"</form>"); |
printf( "</td><td>\n" |
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"<input type=\"radio\" "); |
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if (0 == req->q.equal) |
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printf("checked=\"checked\" "); |
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printf( "name=\"apropos\" id=\"search\" value=\"1\">\n" |
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"<label for=\"search\">Search with apropos query</label>\n"); |
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puts("</td></tr></table>\n" |
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"</fieldset>\n" |
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"</form>\n" |
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"</div>"); |
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puts("<!-- End search form. //-->"); |
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} |
} |
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static int |
static int |
Line 480 validate_manpath(const struct req *req, const char* ma |
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Line 504 validate_manpath(const struct req *req, const char* ma |
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{ |
{ |
size_t i; |
size_t i; |
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if ( ! strcmp(manpath, "mandoc")) |
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return 1; |
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for (i = 0; i < req->psz; i++) |
for (i = 0; i < req->psz; i++) |
if ( ! strcmp(manpath, req->p[i])) |
if ( ! strcmp(manpath, req->p[i])) |
return 1; |
return 1; |
Line 491 validate_manpath(const struct req *req, const char* ma |
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Line 512 validate_manpath(const struct req *req, const char* ma |
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} |
} |
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static int |
static int |
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validate_arch(const char *arch) |
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{ |
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int i; |
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for (i = 0; i < arch_MAX; i++) |
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if (strcmp(arch, arch_names[i]) == 0) |
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return 1; |
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return 0; |
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} |
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static int |
validate_filename(const char *file) |
validate_filename(const char *file) |
{ |
{ |
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pg_index(const struct req *req) |
pg_index(const struct req *req) |
{ |
{ |
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resp_begin_html(200, NULL); |
resp_begin_html(200, NULL, NULL); |
resp_searchform(req); |
resp_searchform(req, FOCUS_QUERY); |
printf("<p>\n" |
printf("<p>\n" |
"This web interface is documented in the\n" |
"This web interface is documented in the\n" |
"<a href=\"/%s%smandoc/man8/man.cgi.8\">man.cgi</a>\n" |
"<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n" |
"manual, and the\n" |
"manual, and the\n" |
"<a href=\"/%s%smandoc/man1/apropos.1\">apropos</a>\n" |
"<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n" |
"manual explains the query syntax.\n" |
"manual explains the query syntax.\n" |
"</p>\n", |
"</p>\n", |
scriptname, *scriptname == '\0' ? "" : "/", |
scriptname, *scriptname == '\0' ? "" : "/", |
Line 520 pg_index(const struct req *req) |
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Line 553 pg_index(const struct req *req) |
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} |
} |
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static void |
static void |
pg_noresult(const struct req *req, const char *msg) |
pg_noresult(const struct req *req, int code, const char *http_msg, |
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const char *user_msg) |
{ |
{ |
resp_begin_html(200, NULL); |
resp_begin_html(code, http_msg, NULL); |
resp_searchform(req); |
resp_searchform(req, FOCUS_QUERY); |
puts("<p>"); |
puts("<p>"); |
puts(msg); |
puts(user_msg); |
puts("</p>"); |
puts("</p>"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
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pg_error_badrequest(const char *msg) |
pg_error_badrequest(const char *msg) |
{ |
{ |
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resp_begin_html(400, "Bad Request"); |
resp_begin_html(400, "Bad Request", NULL); |
puts("<h1>Bad Request</h1>\n" |
puts("<h1>Bad Request</h1>\n" |
"<p>\n"); |
"<p>\n"); |
puts(msg); |
puts(msg); |
Line 547 pg_error_badrequest(const char *msg) |
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Line 581 pg_error_badrequest(const char *msg) |
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static void |
static void |
pg_error_internal(void) |
pg_error_internal(void) |
{ |
{ |
resp_begin_html(500, "Internal Server Error"); |
resp_begin_html(500, "Internal Server Error", NULL); |
puts("<p>Internal Server Error</p>"); |
puts("<p>Internal Server Error</p>"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
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static void |
static void |
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pg_redirect(const struct req *req, const char *name) |
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{ |
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printf("Status: 303 See Other\r\n" |
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"Location: /"); |
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if (*scriptname != '\0') |
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printf("%s/", scriptname); |
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if (strcmp(req->q.manpath, req->p[0])) |
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printf("%s/", req->q.manpath); |
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if (req->q.arch != NULL) |
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printf("%s/", req->q.arch); |
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http_encode(name); |
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if (req->q.sec != NULL) { |
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putchar('.'); |
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http_encode(req->q.sec); |
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} |
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printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n"); |
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} |
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static void |
pg_searchres(const struct req *req, struct manpage *r, size_t sz) |
pg_searchres(const struct req *req, struct manpage *r, size_t sz) |
{ |
{ |
char *arch, *archend; |
char *arch, *archend; |
Line 564 pg_searchres(const struct req *req, struct manpage *r, |
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Line 617 pg_searchres(const struct req *req, struct manpage *r, |
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for (i = 0; i < sz; i++) { |
for (i = 0; i < sz; i++) { |
if (validate_filename(r[i].file)) |
if (validate_filename(r[i].file)) |
continue; |
continue; |
fprintf(stderr, "invalid filename %s in %s database\n", |
warnx("invalid filename %s in %s database", |
r[i].file, req->q.manpath); |
r[i].file, req->q.manpath); |
pg_error_internal(); |
pg_error_internal(); |
return; |
return; |
Line 575 pg_searchres(const struct req *req, struct manpage *r, |
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Line 628 pg_searchres(const struct req *req, struct manpage *r, |
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* If we have just one result, then jump there now |
* If we have just one result, then jump there now |
* without any delay. |
* without any delay. |
*/ |
*/ |
printf("Status: 303 See Other\r\n"); |
printf("Status: 303 See Other\r\n" |
printf("Location: http://%s/%s%s%s/%s", |
"Location: /"); |
HTTP_HOST, scriptname, |
if (*scriptname != '\0') |
*scriptname == '\0' ? "" : "/", |
printf("%s/", scriptname); |
req->q.manpath, r[0].file); |
if (strcmp(req->q.manpath, req->p[0])) |
printf("\r\n" |
printf("%s/", req->q.manpath); |
"Content-Type: text/html; charset=utf-8\r\n" |
printf("%s\r\n" |
"\r\n"); |
"Content-Type: text/html; charset=utf-8\r\n\r\n", |
|
r[0].file); |
return; |
return; |
} |
} |
|
|
resp_begin_html(200, NULL); |
|
resp_searchform(req); |
|
|
|
if (sz > 1) { |
|
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", |
|
scriptname, *scriptname == '\0' ? "" : "/", |
|
req->q.manpath, r[i].file); |
|
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 |
* In man(1) mode, show one of the pages |
* even if more than one is found. |
* even if more than one is found. |
*/ |
*/ |
|
|
|
iuse = 0; |
if (req->q.equal || sz == 1) { |
if (req->q.equal || sz == 1) { |
puts("<hr>"); |
|
iuse = 0; |
|
priouse = 20; |
priouse = 20; |
archpriouse = 3; |
archpriouse = 3; |
for (i = 0; i < sz; i++) { |
for (i = 0; i < sz; i++) { |
Line 653 pg_searchres(const struct req *req, struct manpage *r, |
|
Line 679 pg_searchres(const struct req *req, struct manpage *r, |
|
priouse = prio; |
priouse = prio; |
iuse = i; |
iuse = i; |
} |
} |
|
resp_begin_html(200, NULL, r[iuse].file); |
|
} else |
|
resp_begin_html(200, NULL, NULL); |
|
|
|
resp_searchform(req, |
|
req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY); |
|
|
|
if (sz > 1) { |
|
puts("<table class=\"results\">"); |
|
for (i = 0; i < sz; i++) { |
|
printf(" <tr>\n" |
|
" <td>" |
|
"<a class=\"Xr\" href=\"/"); |
|
if (*scriptname != '\0') |
|
printf("%s/", scriptname); |
|
if (strcmp(req->q.manpath, req->p[0])) |
|
printf("%s/", req->q.manpath); |
|
printf("%s\">", r[i].file); |
|
html_print(r[i].names); |
|
printf("</a></td>\n" |
|
" <td><span class=\"Nd\">"); |
|
html_print(r[i].output); |
|
puts("</span></td>\n" |
|
" </tr>"); |
|
} |
|
puts("</table>"); |
|
} |
|
|
|
if (req->q.equal || sz == 1) { |
|
puts("<hr>"); |
resp_show(req, r[iuse].file); |
resp_show(req, r[iuse].file); |
} |
} |
|
|
Line 660 pg_searchres(const struct req *req, struct manpage *r, |
|
Line 716 pg_searchres(const struct req *req, struct manpage *r, |
|
} |
} |
|
|
static void |
static void |
catman(const struct req *req, const char *file) |
resp_catman(const struct req *req, const char *file) |
{ |
{ |
FILE *f; |
FILE *f; |
char *p; |
char *p; |
Line 797 catman(const struct req *req, const char *file) |
|
Line 853 catman(const struct req *req, const char *file) |
|
} |
} |
|
|
static void |
static void |
format(const struct req *req, const char *file) |
resp_format(const struct req *req, const char *file) |
{ |
{ |
struct manoutput conf; |
struct manoutput conf; |
struct mparse *mp; |
struct mparse *mp; |
struct roff_man *man; |
struct roff_meta *meta; |
void *vp; |
void *vp; |
int fd; |
int fd; |
int usepath; |
int usepath; |
Line 812 format(const struct req *req, const char *file) |
|
Line 868 format(const struct req *req, const char *file) |
|
} |
} |
|
|
mchars_alloc(); |
mchars_alloc(); |
mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_BADARG, NULL, req->q.manpath); |
mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1 | |
|
MPARSE_VALIDATE, MANDOC_OS_OTHER, req->q.manpath); |
mparse_readfd(mp, fd, file); |
mparse_readfd(mp, fd, file); |
close(fd); |
close(fd); |
|
meta = mparse_result(mp); |
|
|
memset(&conf, 0, sizeof(conf)); |
memset(&conf, 0, sizeof(conf)); |
conf.fragment = 1; |
conf.fragment = 1; |
|
conf.style = mandoc_strdup(CSS_DIR "/mandoc.css"); |
usepath = strcmp(req->q.manpath, req->p[0]); |
usepath = strcmp(req->q.manpath, req->p[0]); |
mandoc_asprintf(&conf.man, "/%s%s%%N.%%S", |
mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S", |
|
scriptname, *scriptname == '\0' ? "" : "/", |
usepath ? req->q.manpath : "", usepath ? "/" : ""); |
usepath ? req->q.manpath : "", usepath ? "/" : ""); |
|
|
mparse_result(mp, &man, NULL); |
|
if (man == NULL) { |
|
fprintf(stderr, "fatal mandoc error: %s/%s\n", |
|
req->q.manpath, file); |
|
pg_error_internal(); |
|
mparse_free(mp); |
|
mchars_free(); |
|
return; |
|
} |
|
|
|
vp = html_alloc(&conf); |
vp = html_alloc(&conf); |
|
if (meta->macroset == MACROSET_MDOC) |
|
html_mdoc(vp, meta); |
|
else |
|
html_man(vp, meta); |
|
|
if (man->macroset == MACROSET_MDOC) { |
|
mdoc_validate(man); |
|
html_mdoc(vp, man); |
|
} else { |
|
man_validate(man); |
|
html_man(vp, man); |
|
} |
|
|
|
html_free(vp); |
html_free(vp); |
mparse_free(mp); |
mparse_free(mp); |
mchars_free(); |
mchars_free(); |
free(conf.man); |
free(conf.man); |
|
free(conf.style); |
} |
} |
|
|
static void |
static void |
Line 856 resp_show(const struct req *req, const char *file) |
|
Line 903 resp_show(const struct req *req, const char *file) |
|
file += 2; |
file += 2; |
|
|
if ('c' == *file) |
if ('c' == *file) |
catman(req, file); |
resp_catman(req, file); |
else |
else |
format(req, file); |
resp_format(req, file); |
} |
} |
|
|
static void |
static void |
Line 889 pg_show(struct req *req, const char *fullpath) |
|
Line 936 pg_show(struct req *req, const char *fullpath) |
|
*/ |
*/ |
|
|
if (chdir(manpath) == -1) { |
if (chdir(manpath) == -1) { |
fprintf(stderr, "chdir %s: %s\n", |
warn("chdir %s", manpath); |
manpath, strerror(errno)); |
|
pg_error_internal(); |
pg_error_internal(); |
free(manpath); |
free(manpath); |
return; |
return; |
} |
} |
|
free(manpath); |
|
|
if (strcmp(manpath, "mandoc")) { |
|
free(req->q.manpath); |
|
req->q.manpath = manpath; |
|
} else |
|
free(manpath); |
|
|
|
if ( ! validate_filename(file)) { |
if ( ! validate_filename(file)) { |
pg_error_badrequest( |
pg_error_badrequest( |
"You specified an invalid manual file."); |
"You specified an invalid manual file."); |
return; |
return; |
} |
} |
|
|
resp_begin_html(200, NULL); |
resp_begin_html(200, NULL, file); |
resp_searchform(req); |
resp_searchform(req, FOCUS_NONE); |
resp_show(req, file); |
resp_show(req, file); |
resp_end_html(); |
resp_end_html(); |
} |
} |
Line 931 pg_search(const struct req *req) |
|
Line 972 pg_search(const struct req *req) |
|
* relative to the manpath root. |
* relative to the manpath root. |
*/ |
*/ |
|
|
if (-1 == (chdir(req->q.manpath))) { |
if (chdir(req->q.manpath) == -1) { |
fprintf(stderr, "chdir %s: %s\n", |
warn("chdir %s", req->q.manpath); |
req->q.manpath, strerror(errno)); |
|
pg_error_internal(); |
pg_error_internal(); |
return; |
return; |
} |
} |
Line 979 pg_search(const struct req *req) |
|
Line 1019 pg_search(const struct req *req) |
|
} |
} |
} |
} |
|
|
if (0 == mansearch(&search, &paths, argc, argv, &res, &ressz)) |
res = NULL; |
pg_noresult(req, "You entered an invalid query."); |
ressz = 0; |
else if (0 == ressz) |
if (req->isquery && req->q.equal && argc == 1) |
pg_noresult(req, "No results found."); |
pg_redirect(req, argv[0]); |
|
else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0) |
|
pg_noresult(req, 400, "Bad Request", |
|
"You entered an invalid query."); |
|
else if (ressz == 0) |
|
pg_noresult(req, 404, "Not Found", "No results found."); |
else |
else |
pg_searchres(req, res, ressz); |
pg_searchres(req, res, ressz); |
|
|
|
|
const char *querystring; |
const char *querystring; |
int i; |
int i; |
|
|
|
#if HAVE_PLEDGE |
|
/* |
|
* The "rpath" pledge could be revoked after mparse_readfd() |
|
* if the file desciptor to "/footer.html" would be opened |
|
* up front, but it's probably not worth the complication |
|
* of the code it would cause: it would require scattering |
|
* pledge() calls in multiple low-level resp_*() functions. |
|
*/ |
|
|
|
if (pledge("stdio rpath", NULL) == -1) { |
|
warn("pledge"); |
|
pg_error_internal(); |
|
return EXIT_FAILURE; |
|
} |
|
#endif |
|
|
/* Poor man's ReDoS mitigation. */ |
/* Poor man's ReDoS mitigation. */ |
|
|
itimer.it_value.tv_sec = 2; |
itimer.it_value.tv_sec = 2; |
|
|
itimer.it_interval.tv_sec = 2; |
itimer.it_interval.tv_sec = 2; |
itimer.it_interval.tv_usec = 0; |
itimer.it_interval.tv_usec = 0; |
if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) { |
if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) { |
fprintf(stderr, "setitimer: %s\n", strerror(errno)); |
warn("setitimer"); |
pg_error_internal(); |
pg_error_internal(); |
return EXIT_FAILURE; |
return EXIT_FAILURE; |
} |
} |
|
|
* relative to the same position. |
* relative to the same position. |
*/ |
*/ |
|
|
if (-1 == chdir(MAN_DIR)) { |
if (chdir(MAN_DIR) == -1) { |
fprintf(stderr, "MAN_DIR: %s: %s\n", |
warn("MAN_DIR: %s", MAN_DIR); |
MAN_DIR, strerror(errno)); |
|
pg_error_internal(); |
pg_error_internal(); |
return EXIT_FAILURE; |
return EXIT_FAILURE; |
} |
} |
|
|
memset(&req, 0, sizeof(struct req)); |
memset(&req, 0, sizeof(struct req)); |
req.q.equal = 1; |
req.q.equal = 1; |
pathgen(&req); |
parse_manpath_conf(&req); |
|
|
/* Parse the path info and the query string. */ |
/* Parse the path info and the query string. */ |
|
|
|
|
path++; |
path++; |
|
|
if (*path != '\0') { |
if (*path != '\0') { |
path_parse(&req, path); |
parse_path_info(&req, path); |
if (access(path, F_OK) == -1) |
if (req.q.manpath == NULL || req.q.sec == NULL || |
|
*req.q.query == '\0' || access(path, F_OK) == -1) |
path = ""; |
path = ""; |
} else if ((querystring = getenv("QUERY_STRING")) != NULL) |
} else if ((querystring = getenv("QUERY_STRING")) != NULL) |
http_parse(&req, querystring); |
parse_query_string(&req, querystring); |
|
|
/* Validate parsed data and add defaults. */ |
/* Validate parsed data and add defaults. */ |
|
|
|
|
return EXIT_FAILURE; |
return EXIT_FAILURE; |
} |
} |
|
|
if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) { |
if (req.q.arch != NULL && validate_arch(req.q.arch) == 0) { |
pg_error_badrequest( |
pg_error_badrequest( |
"You specified an invalid architecture."); |
"You specified an invalid architecture."); |
return EXIT_FAILURE; |
return EXIT_FAILURE; |
|
|
} |
} |
|
|
/* |
/* |
* If PATH_INFO is not a file name, translate it to a query. |
* Translate PATH_INFO to a query. |
*/ |
*/ |
static void |
static void |
path_parse(struct req *req, const char *path) |
parse_path_info(struct req *req, const char *path) |
{ |
{ |
char *dir; |
const char *name, *sec, *end; |
|
|
req->isquery = 0; |
req->isquery = 0; |
req->q.equal = 1; |
req->q.equal = 1; |
req->q.manpath = mandoc_strdup(path); |
req->q.manpath = NULL; |
|
req->q.arch = NULL; |
|
|
/* Mandatory manual page name. */ |
/* Mandatory manual page name. */ |
if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) { |
if ((name = strrchr(path, '/')) == NULL) |
req->q.query = req->q.manpath; |
name = path; |
req->q.manpath = NULL; |
else |
} else |
name++; |
*req->q.query++ = '\0'; |
|
|
|
/* Optional trailing section. */ |
/* Optional trailing section. */ |
if ((req->q.sec = strrchr(req->q.query, '.')) != NULL) { |
sec = strrchr(name, '.'); |
if(isdigit((unsigned char)req->q.sec[1])) { |
if (sec != NULL && isdigit((unsigned char)*++sec)) { |
*req->q.sec++ = '\0'; |
req->q.query = mandoc_strndup(name, sec - name - 1); |
req->q.sec = mandoc_strdup(req->q.sec); |
req->q.sec = mandoc_strdup(sec); |
} else |
} else { |
req->q.sec = NULL; |
req->q.query = mandoc_strdup(name); |
|
req->q.sec = NULL; |
} |
} |
|
|
/* Handle the case of name[.section] only. */ |
/* Handle the case of name[.section] only. */ |
if (req->q.manpath == NULL) { |
if (name == path) |
req->q.arch = NULL; |
|
return; |
return; |
|
|
|
/* Optional manpath. */ |
|
end = strchr(path, '/'); |
|
req->q.manpath = mandoc_strndup(path, end - path); |
|
if (validate_manpath(req, req->q.manpath)) { |
|
path = end + 1; |
|
if (name == path) |
|
return; |
|
} else { |
|
free(req->q.manpath); |
|
req->q.manpath = NULL; |
} |
} |
req->q.query = mandoc_strdup(req->q.query); |
|
|
|
/* Optional architecture. */ |
/* Optional section. */ |
dir = strrchr(req->q.manpath, '/'); |
if (strncmp(path, "man", 3) == 0 || strncmp(path, "cat", 3) == 0) { |
if (dir != NULL && strncmp(dir + 1, "man", 3) != 0) { |
path += 3; |
*dir++ = '\0'; |
end = strchr(path, '/'); |
req->q.arch = mandoc_strdup(dir); |
|
dir = strrchr(req->q.manpath, '/'); |
|
} else |
|
req->q.arch = NULL; |
|
|
|
/* Optional directory name. */ |
|
if (dir != NULL && strncmp(dir + 1, "man", 3) == 0) { |
|
*dir++ = '\0'; |
|
free(req->q.sec); |
free(req->q.sec); |
req->q.sec = mandoc_strdup(dir + 3); |
req->q.sec = mandoc_strndup(path, end - path); |
|
path = end + 1; |
|
if (name == path) |
|
return; |
} |
} |
|
|
|
/* Optional architecture. */ |
|
end = strchr(path, '/'); |
|
if (end + 1 != name) { |
|
pg_error_badrequest( |
|
"You specified too many directory components."); |
|
exit(EXIT_FAILURE); |
|
} |
|
req->q.arch = mandoc_strndup(path, end - path); |
|
if (validate_arch(req->q.arch) == 0) { |
|
pg_error_badrequest( |
|
"You specified an invalid directory component."); |
|
exit(EXIT_FAILURE); |
|
} |
} |
} |
|
|
/* |
/* |
* Scan for indexable paths. |
* Scan for indexable paths. |
*/ |
*/ |
static void |
static void |
pathgen(struct req *req) |
parse_manpath_conf(struct req *req) |
{ |
{ |
FILE *fp; |
FILE *fp; |
char *dp; |
char *dp; |
size_t dpsz; |
size_t dpsz; |
ssize_t len; |
ssize_t len; |
|
|
if (NULL == (fp = fopen("manpath.conf", "r"))) { |
if ((fp = fopen("manpath.conf", "r")) == NULL) { |
fprintf(stderr, "%s/manpath.conf: %s\n", |
warn("%s/manpath.conf", MAN_DIR); |
MAN_DIR, strerror(errno)); |
|
pg_error_internal(); |
pg_error_internal(); |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
} |
} |
Line 1158 pathgen(struct req *req) |
|
Line 1237 pathgen(struct req *req) |
|
req->p = mandoc_realloc(req->p, |
req->p = mandoc_realloc(req->p, |
(req->psz + 1) * sizeof(char *)); |
(req->psz + 1) * sizeof(char *)); |
if ( ! validate_urifrag(dp)) { |
if ( ! validate_urifrag(dp)) { |
fprintf(stderr, "%s/manpath.conf contains " |
warnx("%s/manpath.conf contains " |
"unsafe path \"%s\"\n", MAN_DIR, dp); |
"unsafe path \"%s\"", MAN_DIR, dp); |
pg_error_internal(); |
pg_error_internal(); |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
} |
} |
if (NULL != strchr(dp, '/')) { |
if (strchr(dp, '/') != NULL) { |
fprintf(stderr, "%s/manpath.conf contains " |
warnx("%s/manpath.conf contains " |
"path with slash \"%s\"\n", MAN_DIR, dp); |
"path with slash \"%s\"", MAN_DIR, dp); |
pg_error_internal(); |
pg_error_internal(); |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
} |
} |
Line 1175 pathgen(struct req *req) |
|
Line 1254 pathgen(struct req *req) |
|
} |
} |
free(dp); |
free(dp); |
|
|
if ( req->p == NULL ) { |
if (req->p == NULL) { |
fprintf(stderr, "%s/manpath.conf is empty\n", MAN_DIR); |
warnx("%s/manpath.conf is empty", MAN_DIR); |
pg_error_internal(); |
pg_error_internal(); |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
} |
} |