Return to cgi.c CVS log | Up to [cvsweb.bsd.lv] / mandoc |
version 1.52, 2014/07/09 07:30:47 | version 1.110, 2015/10/13 22:59:54 | ||
---|---|---|---|
|
|
||
/* $Id$ */ | /* $Id$ */ | ||
/* | /* | ||
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> | * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> | ||
* Copyright (c) 2014 Ingo Schwarze <schwarze@usta.de> | * Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@usta.de> | ||
* | * | ||
* 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 | ||
* copyright notice and this permission notice appear in all copies. | * copyright notice and this permission notice appear in all copies. | ||
* | * | ||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES | ||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR | ||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
* 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. | ||
*/ | */ | ||
#ifdef HAVE_CONFIG_H | |||
#include "config.h" | #include "config.h" | ||
#endif | |||
#include <sys/types.h> | |||
#include <sys/time.h> | |||
#include <ctype.h> | #include <ctype.h> | ||
#include <dirent.h> | #include <errno.h> | ||
#include <fcntl.h> | #include <fcntl.h> | ||
#include <limits.h> | #include <limits.h> | ||
#include <stdint.h> | |||
#include <stdio.h> | #include <stdio.h> | ||
#include <stdlib.h> | #include <stdlib.h> | ||
#include <string.h> | #include <string.h> | ||
#include <unistd.h> | #include <unistd.h> | ||
#if defined(__sun) | |||
/* for stat() */ | |||
#include <fcntl.h> | |||
#include <sys/types.h> | |||
#include <sys/stat.h> | |||
#endif | |||
#include "mandoc.h" | |||
#include "mandoc_aux.h" | #include "mandoc_aux.h" | ||
#include "mandoc.h" | |||
#include "roff.h" | |||
#include "main.h" | #include "main.h" | ||
#include "manpath.h" | #include "manconf.h" | ||
#include "mansearch.h" | #include "mansearch.h" | ||
#include "cgi.h" | |||
enum page { | |||
PAGE_INDEX, | |||
PAGE_SEARCH, | |||
PAGE_SHOW, | |||
PAGE__MAX | |||
}; | |||
/* | /* | ||
* A query as passed to the search function. | * A query as passed to the search function. | ||
*/ | */ | ||
struct query { | struct query { | ||
const char *manroot; /* manual root directory */ | char *manpath; /* desired manual directory */ | ||
const char *arch; /* architecture */ | char *arch; /* architecture */ | ||
const char *sec; /* manual section */ | char *sec; /* manual section */ | ||
const char *expr; /* unparsed expression string */ | char *query; /* unparsed query expression */ | ||
int legacy; /* whether legacy mode */ | int equal; /* match whole names, not substrings */ | ||
}; | }; | ||
struct req { | struct req { | ||
struct query q; | struct query q; | ||
char **p; /* array of available manroots */ | char **p; /* array of available manpaths */ | ||
size_t psz; | size_t psz; /* number of available manpaths */ | ||
enum page page; | |||
}; | }; | ||
static void catman(const struct req *, const char *); | 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 format(const struct req *, const char *); | ||
static void html_print(const char *); | static void html_print(const char *); | ||
static void html_printquery(const struct req *); | |||
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 *, char *); | static void http_parse(struct req *, const char *); | ||
static void http_print(const char *); | static void http_print(const char *); | ||
static void http_putchar(char); | static void http_putchar(char); | ||
static void http_printquery(const struct req *); | static void http_printquery(const struct req *, const char *); | ||
static void pathgen(DIR *, struct req *); | static void pathgen(struct req *); | ||
static void pg_index(const struct req *, char *); | static void pg_error_badrequest(const char *); | ||
static void pg_search(const struct req *, char *); | static void pg_error_internal(void); | ||
static void pg_show(const struct req *, char *); | static void pg_index(const struct req *); | ||
static void resp_bad(void); | static void pg_noresult(const struct req *, const char *); | ||
static void resp_baddb(void); | static void pg_search(const struct req *); | ||
static void resp_error400(void); | static void pg_searchres(const struct req *, | ||
static void resp_error404(const char *); | struct manpage *, size_t); | ||
static void pg_show(struct req *, const char *); | |||
static void resp_begin_html(int, const char *); | static void resp_begin_html(int, const char *); | ||
static void resp_begin_http(int, const char *); | static void resp_begin_http(int, const char *); | ||
static void resp_end_html(void); | static void resp_end_html(void); | ||
static void resp_index(const struct req *); | |||
static void resp_search(const struct req *, | |||
struct manpage *, size_t); | |||
static void resp_searchform(const struct req *); | static void resp_searchform(const struct req *); | ||
static void resp_show(const struct req *, const char *); | |||
static void set_query_attr(char **, char **); | |||
static int validate_filename(const char *); | |||
static int validate_manpath(const struct req *, const char *); | |||
static int validate_urifrag(const char *); | |||
static const char *progname; /* cgi script name */ | static const char *scriptname; /* CGI script name */ | ||
static const char *cache; /* cache directory */ | |||
static const char *css; /* css directory */ | |||
static const char *host; /* hostname */ | |||
static const char * const pages[PAGE__MAX] = { | static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; | ||
"index", /* PAGE_INDEX */ | static const char *const sec_numbers[] = { | ||
"search", /* PAGE_SEARCH */ | "0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9" | ||
"show", /* PAGE_SHOW */ | |||
}; | }; | ||
static const char *const sec_names[] = { | |||
"All Sections", | |||
"1 - General Commands", | |||
"2 - System Calls", | |||
"3 - Library Functions", | |||
"3p - Perl Library", | |||
"4 - Device Drivers", | |||
"5 - File Formats", | |||
"6 - Games", | |||
"7 - Miscellaneous Information", | |||
"8 - System Manager\'s Manual", | |||
"9 - Kernel Developer\'s Manual" | |||
}; | |||
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 *); | |||
/* | /* | ||
* Print a character, escaping HTML along the way. | * Print a character, escaping HTML along the way. | ||
* This will pass non-ASCII straight to output: be warned! | * This will pass non-ASCII straight to output: be warned! | ||
|
|
||
break; | 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 | static void | ||
html_printquery(const struct req *req) | http_printquery(const struct req *req, const char *sep) | ||
{ | { | ||
printf("&expr="); | if (NULL != req->q.query) { | ||
html_print(req->q.expr ? req->q.expr : ""); | printf("query="); | ||
printf("&sec="); | http_print(req->q.query); | ||
html_print(req->q.sec ? req->q.sec : ""); | } | ||
printf("&arch="); | if (0 == req->q.equal) | ||
html_print(req->q.arch ? req->q.arch : ""); | printf("%sapropos=1", sep); | ||
if (NULL != req->q.sec) { | |||
printf("%ssec=", sep); | |||
http_print(req->q.sec); | |||
} | |||
if (NULL != req->q.arch) { | |||
printf("%sarch=", sep); | |||
http_print(req->q.arch); | |||
} | |||
if (strcmp(req->q.manpath, req->p[0])) { | |||
printf("%smanpath=", sep); | |||
http_print(req->q.manpath); | |||
} | |||
} | } | ||
static void | static void | ||
|
|
||
static void | static void | ||
html_print(const char *p) | html_print(const char *p) | ||
{ | { | ||
if (NULL == p) | if (NULL == p) | ||
return; | return; | ||
while ('\0' != *p) | while ('\0' != *p) | ||
|
|
||
} | } | ||
/* | /* | ||
* Parse out key-value pairs from an HTTP request variable. | * Transfer the responsibility for the allocated string *val | ||
* This can be either a cookie or a POST/GET string, although man.cgi | * to the query structure. | ||
* uses only GET for simplicity. | |||
*/ | */ | ||
static void | static void | ||
http_parse(struct req *req, char *p) | set_query_attr(char **attr, char **val) | ||
{ | { | ||
char *key, *val; | |||
int legacy; | |||
memset(&req->q, 0, sizeof(struct query)); | free(*attr); | ||
req->q.manroot = req->p[0]; | if (**val == '\0') { | ||
*attr = NULL; | |||
free(*val); | |||
} else | |||
*attr = *val; | |||
*val = NULL; | |||
} | |||
legacy = -1; | /* | ||
while ('\0' != *p) { | * Parse the QUERY_STRING for key-value pairs | ||
key = p; | * and store the values into the query structure. | ||
val = NULL; | */ | ||
static void | |||
http_parse(struct req *req, const char *qs) | |||
{ | |||
char *key, *val; | |||
size_t keysz, valsz; | |||
p += (int)strcspn(p, ";&"); | req->q.manpath = NULL; | ||
if ('\0' != *p) | req->q.arch = NULL; | ||
*p++ = '\0'; | req->q.sec = NULL; | ||
if (NULL != (val = strchr(key, '='))) | req->q.query = NULL; | ||
*val++ = '\0'; | req->q.equal = 1; | ||
if ('\0' == *key || NULL == val || '\0' == *val) | key = val = NULL; | ||
continue; | while (*qs != '\0') { | ||
/* Just abort handling. */ | /* Parse one key. */ | ||
if ( ! http_decode(key)) | keysz = strcspn(qs, "=;&"); | ||
break; | key = mandoc_strndup(qs, keysz); | ||
if (NULL != val && ! http_decode(val)) | qs += keysz; | ||
break; | if (*qs != '=') | ||
goto next; | |||
if (0 == strcmp(key, "expr")) | /* Parse one value. */ | ||
req->q.expr = val; | |||
else if (0 == strcmp(key, "query")) | |||
req->q.expr = val; | |||
else if (0 == strcmp(key, "sec")) | |||
req->q.sec = val; | |||
else if (0 == strcmp(key, "sektion")) | |||
req->q.sec = val; | |||
else if (0 == strcmp(key, "arch")) | |||
req->q.arch = val; | |||
else if (0 == strcmp(key, "manpath")) | |||
req->q.manroot = val; | |||
else if (0 == strcmp(key, "apropos")) | |||
legacy = 0 == strcmp(val, "0"); | |||
} | |||
/* Test for old man.cgi compatibility mode. */ | valsz = strcspn(++qs, ";&"); | ||
val = mandoc_strndup(qs, valsz); | |||
qs += valsz; | |||
req->q.legacy = legacy > 0; | /* Decode and catch encoding errors. */ | ||
/* | if ( ! (http_decode(key) && http_decode(val))) | ||
* Section "0" means no section when in legacy mode. | goto next; | ||
* For some man.cgi scripts, "default" arch is none. | |||
*/ | |||
if (req->q.legacy && NULL != req->q.sec) | /* Handle key-value pairs. */ | ||
if (0 == strcmp(req->q.sec, "0")) | |||
req->q.sec = NULL; | if ( ! strcmp(key, "query")) | ||
if (req->q.legacy && NULL != req->q.arch) | set_query_attr(&req->q.query, &val); | ||
if (0 == strcmp(req->q.arch, "default")) | |||
req->q.arch = NULL; | else if ( ! strcmp(key, "apropos")) | ||
req->q.equal = !strcmp(val, "0"); | |||
else if ( ! strcmp(key, "manpath")) { | |||
#ifdef COMPAT_OLDURI | |||
if ( ! strncmp(val, "OpenBSD ", 8)) { | |||
val[7] = '-'; | |||
if ('C' == val[8]) | |||
val[8] = 'c'; | |||
} | |||
#endif | |||
set_query_attr(&req->q.manpath, &val); | |||
} | |||
else if ( ! (strcmp(key, "sec") | |||
#ifdef COMPAT_OLDURI | |||
&& strcmp(key, "sektion") | |||
#endif | |||
)) { | |||
if ( ! strcmp(val, "0")) | |||
*val = '\0'; | |||
set_query_attr(&req->q.sec, &val); | |||
} | |||
else if ( ! strcmp(key, "arch")) { | |||
if ( ! strcmp(val, "default")) | |||
*val = '\0'; | |||
set_query_attr(&req->q.arch, &val); | |||
} | |||
/* | |||
* The key must be freed in any case. | |||
* The val may have been handed over to the query | |||
* structure, in which case it is now NULL. | |||
*/ | |||
next: | |||
free(key); | |||
key = NULL; | |||
free(val); | |||
val = NULL; | |||
if (*qs != '\0') | |||
qs++; | |||
} | |||
} | } | ||
static void | static void | ||
|
|
||
http_decode(char *p) | http_decode(char *p) | ||
{ | { | ||
char hex[3]; | char hex[3]; | ||
char *q; | |||
int c; | int c; | ||
hex[2] = '\0'; | hex[2] = '\0'; | ||
for ( ; '\0' != *p; p++) { | q = p; | ||
for ( ; '\0' != *p; p++, q++) { | |||
if ('%' == *p) { | if ('%' == *p) { | ||
if ('\0' == (hex[0] = *(p + 1))) | if ('\0' == (hex[0] = *(p + 1))) | ||
return(0); | return 0; | ||
if ('\0' == (hex[1] = *(p + 2))) | if ('\0' == (hex[1] = *(p + 2))) | ||
return(0); | return 0; | ||
if (1 != sscanf(hex, "%x", &c)) | if (1 != sscanf(hex, "%x", &c)) | ||
return(0); | return 0; | ||
if ('\0' == c) | if ('\0' == c) | ||
return(0); | return 0; | ||
*p = (char)c; | *q = (char)c; | ||
memmove(p + 1, p + 3, strlen(p + 3) + 1); | p += 2; | ||
} else | } else | ||
*p = '+' == *p ? ' ' : *p; | *q = '+' == *p ? ' ' : *p; | ||
} | } | ||
*p = '\0'; | *q = '\0'; | ||
return(1); | return 1; | ||
} | } | ||
static void | static void | ||
|
|
||
{ | { | ||
if (200 != code) | 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" | printf("Content-Type: text/html; charset=utf-8\r\n" | ||
"Cache-Control: no-cache\n" | "Cache-Control: no-cache\r\n" | ||
"Pragma: no-cache\n" | "Pragma: no-cache\r\n" | ||
""); | "\r\n"); | ||
fflush(stdout); | fflush(stdout); | ||
} | } | ||
|
|
||
resp_begin_http(code, msg); | resp_begin_http(code, msg); | ||
printf("<!DOCTYPE HTML PUBLIC " | printf("<!DOCTYPE html>\n" | ||
" \"-//W3C//DTD HTML 4.01//EN\"" | |||
" \"http://www.w3.org/TR/html4/strict.dtd\">\n" | |||
"<HTML>\n" | "<HTML>\n" | ||
"<HEAD>\n" | "<HEAD>\n" | ||
"<META HTTP-EQUIV=\"Content-Type\"" | "<META CHARSET=\"UTF-8\" />\n" | ||
" 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" | " TYPE=\"text/css\" media=\"all\">\n" | ||
"<LINK REL=\"stylesheet\" HREF=\"%s/man.css\"" | "<LINK REL=\"stylesheet\" HREF=\"%s/man.css\"" | ||
" TYPE=\"text/css\" media=\"all\">\n" | " TYPE=\"text/css\" media=\"all\">\n" | ||
"<TITLE>System Manpage Reference</TITLE>\n" | "<TITLE>%s</TITLE>\n" | ||
"</HEAD>\n" | "</HEAD>\n" | ||
"<BODY>\n" | "<BODY>\n" | ||
"<!-- Begin page content. //-->\n", css, css); | "<!-- Begin page content. //-->\n", | ||
CSS_DIR, CSS_DIR, CUSTOMIZE_TITLE); | |||
} | } | ||
static void | static void | ||
|
|
||
{ | { | ||
int i; | int i; | ||
puts(CUSTOMIZE_BEGIN); | |||
puts("<!-- Begin search form. //-->"); | puts("<!-- Begin search form. //-->"); | ||
printf("<DIV ID=\"mancgi\">\n" | printf("<DIV ID=\"mancgi\">\n" | ||
"<FORM ACTION=\"%s/search\" METHOD=\"get\">\n" | "<FORM ACTION=\"%s\" METHOD=\"get\">\n" | ||
"<FIELDSET>\n" | "<FIELDSET>\n" | ||
"<LEGEND>Search Parameters</LEGEND>\n" | "<LEGEND>Manual Page Search Parameters</LEGEND>\n", | ||
"<INPUT TYPE=\"submit\" " | scriptname); | ||
" VALUE=\"Search\"> for manuals satisfying \n" | |||
"<INPUT TYPE=\"text\" NAME=\"expr\" VALUE=\"", | /* Write query input box. */ | ||
progname); | |||
html_print(req->q.expr ? req->q.expr : ""); | printf( "<TABLE><TR><TD>\n" | ||
printf("\">, section " | "<INPUT TYPE=\"text\" NAME=\"query\" VALUE=\""); | ||
"<INPUT TYPE=\"text\"" | if (NULL != req->q.query) | ||
" SIZE=\"4\" NAME=\"sec\" VALUE=\""); | html_print(req->q.query); | ||
html_print(req->q.sec ? req->q.sec : ""); | puts("\" SIZE=\"40\">"); | ||
printf("\">, arch " | |||
"<INPUT TYPE=\"text\"" | /* Write submission and reset buttons. */ | ||
" SIZE=\"8\" NAME=\"arch\" VALUE=\""); | |||
html_print(req->q.arch ? req->q.arch : ""); | printf( "<INPUT TYPE=\"submit\" VALUE=\"Submit\">\n" | ||
printf("\">"); | "<INPUT TYPE=\"reset\" VALUE=\"Reset\">\n"); | ||
/* Write show radio button */ | |||
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"); | |||
/* Write section selector. */ | |||
puts( "</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=\"selected\""); | |||
printf(">%s</OPTION>\n", sec_names[i]); | |||
} | |||
puts("</SELECT>"); | |||
/* Write architecture selector. */ | |||
printf( "<SELECT NAME=\"arch\">\n" | |||
"<OPTION VALUE=\"default\""); | |||
if (NULL == req->q.arch) | |||
printf(" SELECTED=\"selected\""); | |||
puts(">All Architectures</OPTION>"); | |||
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=\"selected\""); | |||
printf(">%s</OPTION>\n", arch_names[i]); | |||
} | |||
puts("</SELECT>"); | |||
/* Write manpath selector. */ | |||
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 (NULL == req->q.manroot ? 0 == i : | if (strcmp(req->q.manpath, req->p[i]) == 0) | ||
0 == strcmp(req->q.manroot, req->p[i])) | |||
printf("SELECTED=\"selected\" "); | printf("SELECTED=\"selected\" "); | ||
printf("VALUE=\""); | printf("VALUE=\""); | ||
html_print(req->p[i]); | html_print(req->p[i]); | ||
|
|
||
} | } | ||
puts("</SELECT>"); | puts("</SELECT>"); | ||
} | } | ||
puts(".\n" | |||
"<INPUT TYPE=\"reset\" VALUE=\"Reset\">\n" | /* 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" | "</FIELDSET>\n" | ||
"</FORM>\n" | "</FORM>\n" | ||
"</DIV>"); | "</DIV>"); | ||
puts("<!-- End search form. //-->"); | puts("<!-- End search form. //-->"); | ||
} | } | ||
static void | static int | ||
resp_index(const struct req *req) | validate_urifrag(const char *frag) | ||
{ | { | ||
resp_begin_html(200, NULL); | while ('\0' != *frag) { | ||
resp_searchform(req); | if ( ! (isalnum((unsigned char)*frag) || | ||
resp_end_html(); | '-' == *frag || '.' == *frag || | ||
'/' == *frag || '_' == *frag)) | |||
return 0; | |||
frag++; | |||
} | |||
return 1; | |||
} | } | ||
static void | static int | ||
resp_error400(void) | validate_manpath(const struct req *req, const char* manpath) | ||
{ | { | ||
size_t i; | |||
resp_begin_html(400, "Query Malformed"); | if ( ! strcmp(manpath, "mandoc")) | ||
printf("<H1>Malformed Query</H1>\n" | return 1; | ||
"<P>\n" | |||
"The query your entered was malformed.\n" | for (i = 0; i < req->psz; i++) | ||
"Try again from the\n" | if ( ! strcmp(manpath, req->p[i])) | ||
"<A HREF=\"%s/index.html\">main page</A>.\n" | return 1; | ||
"</P>", progname); | |||
resp_end_html(); | return 0; | ||
} | } | ||
static int | |||
validate_filename(const char *file) | |||
{ | |||
if ('.' == file[0] && '/' == file[1]) | |||
file += 2; | |||
return ! (strstr(file, "../") || strstr(file, "/..") || | |||
(strncmp(file, "man", 3) && strncmp(file, "cat", 3))); | |||
} | |||
static void | static void | ||
resp_error404(const char *page) | pg_index(const struct req *req) | ||
{ | { | ||
resp_begin_html(404, "Not Found"); | resp_begin_html(200, NULL); | ||
puts("<H1>Page Not Found</H1>\n" | resp_searchform(req); | ||
"<P>\n" | printf("<P>\n" | ||
"The page you're looking for, "); | "This web interface is documented in the\n" | ||
printf("<B>"); | "<A HREF=\"%s/mandoc/man8/man.cgi.8\">man.cgi</A>\n" | ||
html_print(page); | "manual, and the\n" | ||
printf("</B>,\n" | "<A HREF=\"%s/mandoc/man1/apropos.1\">apropos</A>\n" | ||
"could not be found.\n" | "manual explains the query syntax.\n" | ||
"Try searching from the\n" | "</P>\n", | ||
"<A HREF=\"%s/index.html\">main page</A>.\n" | scriptname, scriptname); | ||
"</P>", progname); | |||
resp_end_html(); | resp_end_html(); | ||
} | } | ||
static void | static void | ||
resp_bad(void) | pg_noresult(const struct req *req, const char *msg) | ||
{ | { | ||
resp_begin_html(500, "Internal Server Error"); | resp_begin_html(200, NULL); | ||
puts("<P>Generic badness happened.</P>"); | resp_searchform(req); | ||
puts("<P>"); | |||
puts(msg); | |||
puts("</P>"); | |||
resp_end_html(); | resp_end_html(); | ||
} | } | ||
static void | static void | ||
resp_baddb(void) | pg_error_badrequest(const char *msg) | ||
{ | { | ||
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 | |||
pg_error_internal(void) | |||
{ | |||
resp_begin_html(500, "Internal Server Error"); | resp_begin_html(500, "Internal Server Error"); | ||
puts("<P>Your database is broken.</P>"); | puts("<P>Internal Server Error</P>"); | ||
resp_end_html(); | resp_end_html(); | ||
} | } | ||
static void | static void | ||
resp_search(const struct req *req, struct manpage *r, size_t sz) | pg_searchres(const struct req *req, struct manpage *r, size_t sz) | ||
{ | { | ||
size_t i; | char *arch, *archend; | ||
size_t i, iuse, isec; | |||
int archprio, archpriouse; | |||
int prio, priouse; | |||
char sec; | |||
for (i = 0; i < sz; i++) { | |||
if (validate_filename(r[i].file)) | |||
continue; | |||
fprintf(stderr, "invalid filename %s in %s database\n", | |||
r[i].file, req->q.manpath); | |||
pg_error_internal(); | |||
return; | |||
} | |||
if (1 == sz) { | if (1 == sz) { | ||
/* | /* | ||
* 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. | ||
*/ | */ | ||
puts("Status: 303 See Other"); | printf("Status: 303 See Other\r\n"); | ||
printf("Location: http://%s%s/show/%s/%s?", | printf("Location: http://%s%s/%s/%s?", | ||
host, progname, req->q.manroot, r[0].file); | HTTP_HOST, scriptname, req->q.manpath, r[0].file); | ||
http_printquery(req); | http_printquery(req, "&"); | ||
puts("\n" | printf("\r\n" | ||
"Content-Type: text/html; charset=utf-8\n"); | "Content-Type: text/html; charset=utf-8\r\n" | ||
"\r\n"); | |||
return; | return; | ||
} | } | ||
resp_begin_html(200, NULL); | resp_begin_html(200, NULL); | ||
resp_searchform(req); | resp_searchform(req); | ||
puts("<DIV CLASS=\"results\">"); | puts("<DIV CLASS=\"results\">"); | ||
if (0 == sz) { | |||
puts("<P>\n" | |||
"No results found.\n" | |||
"</P>\n" | |||
"</DIV>"); | |||
resp_end_html(); | |||
return; | |||
} | |||
qsort(r, sz, sizeof(struct manpage), cmp); | |||
puts("<TABLE>"); | puts("<TABLE>"); | ||
for (i = 0; i < sz; i++) { | for (i = 0; i < sz; i++) { | ||
printf("<TR>\n" | printf("<TR>\n" | ||
"<TD CLASS=\"title\">\n" | "<TD CLASS=\"title\">\n" | ||
"<A HREF=\"%s/show/%s/%s?", | "<A HREF=\"%s/%s/%s?", | ||
progname, req->q.manroot, r[i].file); | scriptname, req->q.manpath, r[i].file); | ||
html_printquery(req); | http_printquery(req, "&"); | ||
printf("\">"); | printf("\">"); | ||
html_print(r[i].names); | html_print(r[i].names); | ||
printf("</A>\n" | printf("</A>\n" | ||
|
|
||
puts("</TABLE>\n" | puts("</TABLE>\n" | ||
"</DIV>"); | "</DIV>"); | ||
resp_end_html(); | |||
} | |||
/* ARGSUSED */ | /* | ||
static void | * In man(1) mode, show one of the pages | ||
pg_index(const struct req *req, char *path) | * even if more than one is found. | ||
{ | */ | ||
resp_index(req); | if (req->q.equal) { | ||
puts("<HR>"); | |||
iuse = 0; | |||
priouse = 10; | |||
archpriouse = 3; | |||
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 (NULL == req->q.arch) { | |||
archprio = | |||
(NULL == (arch = strchr( | |||
r[i].file + isec, '/'))) ? 3 : | |||
(NULL == (archend = strchr( | |||
arch + 1, '/'))) ? 0 : | |||
strncmp(arch, "amd64/", | |||
archend - arch) ? 2 : 1; | |||
if (archprio < archpriouse) { | |||
archpriouse = archprio; | |||
priouse = prio; | |||
iuse = i; | |||
continue; | |||
} | |||
if (archprio > archpriouse) | |||
continue; | |||
} | |||
if (prio >= priouse) | |||
continue; | |||
priouse = prio; | |||
iuse = i; | |||
} | |||
resp_show(req, r[iuse].file); | |||
} | |||
resp_end_html(); | |||
} | } | ||
static void | static void | ||
|
|
||
int italic, bold; | int italic, bold; | ||
if (NULL == (f = fopen(file, "r"))) { | if (NULL == (f = fopen(file, "r"))) { | ||
resp_baddb(); | puts("<P>You specified an invalid manual file.</P>"); | ||
return; | return; | ||
} | } | ||
resp_begin_html(200, NULL); | |||
resp_searchform(req); | |||
puts("<DIV CLASS=\"catman\">\n" | puts("<DIV CLASS=\"catman\">\n" | ||
"<PRE>"); | "<PRE>"); | ||
while (NULL != (p = fgetln(f, &len))) { | while (NULL != (p = fgetln(f, &len))) { | ||
bold = italic = 0; | bold = italic = 0; | ||
for (i = 0; i < (int)len - 1; i++) { | for (i = 0; i < (int)len - 1; i++) { | ||
/* | /* | ||
* This means that the catpage is out of state. | * This means that the catpage is out of state. | ||
* Ignore it and keep going (although the | * Ignore it and keep going (although the | ||
* catpage is bogus). | * catpage is bogus). | ||
|
|
||
continue; | continue; | ||
} | } | ||
/* | /* | ||
* Handle funny behaviour troff-isms. | * Handle funny behaviour troff-isms. | ||
* These grok'd from the original man2html.c. | * These grok'd from the original man2html.c. | ||
*/ | */ | ||
|
|
||
} | } | ||
/* Bold mode. */ | /* Bold mode. */ | ||
if (italic) | if (italic) | ||
printf("</I>"); | printf("</I>"); | ||
if ( ! bold) | if ( ! bold) | ||
|
|
||
html_putchar(p[i]); | html_putchar(p[i]); | ||
} | } | ||
/* | /* | ||
* Clean up the last character. | * Clean up the last character. | ||
* We can get to a newline; don't print that. | * We can get to a newline; don't print that. | ||
*/ | */ | ||
if (italic) | if (italic) | ||
|
|
||
} | } | ||
puts("</PRE>\n" | puts("</PRE>\n" | ||
"</DIV>\n" | "</DIV>"); | ||
"</BODY>\n" | |||
"</HTML>"); | |||
fclose(f); | fclose(f); | ||
} | } | ||
|
|
||
static void | static void | ||
format(const struct req *req, const char *file) | format(const struct req *req, const char *file) | ||
{ | { | ||
struct manoutput conf; | |||
struct mparse *mp; | struct mparse *mp; | ||
int fd; | struct roff_man *man; | ||
struct mdoc *mdoc; | |||
struct man *man; | |||
void *vp; | void *vp; | ||
enum mandoclevel rc; | int fd; | ||
char opts[PATH_MAX + 128]; | int usepath; | ||
if (-1 == (fd = open(file, O_RDONLY, 0))) { | if (-1 == (fd = open(file, O_RDONLY, 0))) { | ||
resp_baddb(); | puts("<P>You specified an invalid manual file.</P>"); | ||
return; | return; | ||
} | } | ||
mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_FATAL, NULL, NULL); | mchars_alloc(); | ||
rc = mparse_readfd(mp, fd, file); | mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_BADARG, NULL, req->q.manpath); | ||
mparse_readfd(mp, fd, file); | |||
close(fd); | close(fd); | ||
if (rc >= MANDOCLEVEL_FATAL) { | memset(&conf, 0, sizeof(conf)); | ||
resp_baddb(); | conf.fragment = 1; | ||
return; | usepath = strcmp(req->q.manpath, req->p[0]); | ||
} | mandoc_asprintf(&conf.man, "%s?query=%%N&sec=%%S%s%s%s%s", | ||
scriptname, | |||
req->q.arch ? "&arch=" : "", | |||
req->q.arch ? req->q.arch : "", | |||
usepath ? "&manpath=" : "", | |||
usepath ? req->q.manpath : ""); | |||
snprintf(opts, sizeof(opts), | mparse_result(mp, &man, NULL); | ||
"fragment,man=%s/search?sec=%%S&expr=Nm~^%%N$", | if (man == NULL) { | ||
progname); | fprintf(stderr, "fatal mandoc error: %s/%s\n", | ||
req->q.manpath, file); | |||
mparse_result(mp, &mdoc, &man, NULL); | pg_error_internal(); | ||
if (NULL == man && NULL == mdoc) { | |||
resp_baddb(); | |||
mparse_free(mp); | mparse_free(mp); | ||
mchars_free(); | |||
return; | return; | ||
} | } | ||
resp_begin_html(200, NULL); | vp = html_alloc(&conf); | ||
resp_searchform(req); | |||
vp = html_alloc(opts); | if (man->macroset == MACROSET_MDOC) | ||
html_mdoc(vp, man); | |||
if (NULL != mdoc) | |||
html_mdoc(vp, mdoc); | |||
else | else | ||
html_man(vp, man); | html_man(vp, man); | ||
puts("</BODY>\n" | |||
"</HTML>"); | |||
html_free(vp); | html_free(vp); | ||
mparse_free(mp); | mparse_free(mp); | ||
mchars_free(); | |||
free(conf.man); | |||
} | } | ||
static void | static void | ||
pg_show(const struct req *req, char *path) | resp_show(const struct req *req, const char *file) | ||
{ | { | ||
char *sub; | |||
if (NULL == path || NULL == (sub = strchr(path, '/'))) { | if ('.' == file[0] && '/' == file[1]) | ||
resp_error400(); | file += 2; | ||
if ('c' == *file) | |||
catman(req, file); | |||
else | |||
format(req, file); | |||
} | |||
static void | |||
pg_show(struct req *req, const char *fullpath) | |||
{ | |||
char *manpath; | |||
const char *file; | |||
if ((file = strchr(fullpath, '/')) == NULL) { | |||
pg_error_badrequest( | |||
"You did not specify a page to show."); | |||
return; | return; | ||
} | } | ||
*sub++ = '\0'; | manpath = mandoc_strndup(fullpath, file - fullpath); | ||
file++; | |||
if ( ! validate_manpath(req, manpath)) { | |||
pg_error_badrequest( | |||
"You specified an invalid manpath."); | |||
free(manpath); | |||
return; | |||
} | |||
/* | /* | ||
* Begin by chdir()ing into the manroot. | * Begin by chdir()ing into the manpath. | ||
* This way we can pick up the database files, which are | * This way we can pick up the database files, which are | ||
* relative to the manpath root. | * relative to the manpath root. | ||
*/ | */ | ||
if (-1 == chdir(path)) { | if (chdir(manpath) == -1) { | ||
perror(path); | fprintf(stderr, "chdir %s: %s\n", | ||
resp_baddb(); | manpath, strerror(errno)); | ||
pg_error_internal(); | |||
free(manpath); | |||
return; | return; | ||
} | } | ||
if ('c' == *sub) | if (strcmp(manpath, "mandoc")) { | ||
catman(req, sub); | free(req->q.manpath); | ||
else | req->q.manpath = manpath; | ||
format(req, sub); | } else | ||
free(manpath); | |||
if ( ! validate_filename(file)) { | |||
pg_error_badrequest( | |||
"You specified an invalid manual file."); | |||
return; | |||
} | |||
resp_begin_html(200, NULL); | |||
resp_searchform(req); | |||
resp_show(req, file); | |||
resp_end_html(); | |||
} | } | ||
static void | static void | ||
pg_search(const struct req *req, char *path) | pg_search(const struct req *req) | ||
{ | { | ||
struct mansearch search; | struct mansearch search; | ||
struct manpaths paths; | struct manpaths paths; | ||
struct manpage *res; | struct manpage *res; | ||
char **cp; | char **argv; | ||
const char *ep, *start; | char *query, *rp, *wp; | ||
size_t ressz; | size_t ressz; | ||
int i, sz; | int argc; | ||
/* | /* | ||
* Begin by chdir()ing into the root of the manpath. | * Begin by chdir()ing into the root of the manpath. | ||
|
|
||
* relative to the manpath root. | * relative to the manpath root. | ||
*/ | */ | ||
if (-1 == (chdir(req->q.manroot))) { | if (-1 == (chdir(req->q.manpath))) { | ||
perror(req->q.manroot); | fprintf(stderr, "chdir %s: %s\n", | ||
resp_search(req, NULL, 0); | req->q.manpath, strerror(errno)); | ||
pg_error_internal(); | |||
return; | return; | ||
} | } | ||
search.arch = req->q.arch; | search.arch = req->q.arch; | ||
search.sec = req->q.sec; | search.sec = req->q.sec; | ||
search.deftype = TYPE_Nm | TYPE_Nd; | search.outkey = "Nd"; | ||
search.flags = 0; | search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR; | ||
search.firstmatch = 1; | |||
paths.sz = 1; | paths.sz = 1; | ||
paths.paths = mandoc_malloc(sizeof(char *)); | paths.paths = mandoc_malloc(sizeof(char *)); | ||
paths.paths[0] = mandoc_strdup("."); | paths.paths[0] = mandoc_strdup("."); | ||
/* | /* | ||
* Poor man's tokenisation: just break apart by spaces. | * Break apart at spaces with backslash-escaping. | ||
* Yes, this is half-ass. But it works for now. | |||
*/ | */ | ||
ep = req->q.expr; | argc = 0; | ||
while (ep && isspace((unsigned char)*ep)) | argv = NULL; | ||
ep++; | rp = query = mandoc_strdup(req->q.query); | ||
for (;;) { | |||
sz = 0; | while (isspace((unsigned char)*rp)) | ||
cp = NULL; | rp++; | ||
while (ep && '\0' != *ep) { | if (*rp == '\0') | ||
cp = mandoc_reallocarray(cp, sz + 1, sizeof(char *)); | break; | ||
start = ep; | argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *)); | ||
while ('\0' != *ep && ! isspace((unsigned char)*ep)) | argv[argc++] = wp = rp; | ||
ep++; | for (;;) { | ||
cp[sz] = mandoc_malloc((ep - start) + 1); | if (isspace((unsigned char)*rp)) { | ||
memcpy(cp[sz], start, ep - start); | *wp = '\0'; | ||
cp[sz++][ep - start] = '\0'; | rp++; | ||
while (isspace((unsigned char)*ep)) | break; | ||
ep++; | } | ||
if (rp[0] == '\\' && rp[1] != '\0') | |||
rp++; | |||
if (wp != rp) | |||
*wp = *rp; | |||
if (*rp == '\0') | |||
break; | |||
wp++; | |||
rp++; | |||
} | |||
} | } | ||
if (mansearch(&search, &paths, sz, cp, "Nd", &res, &ressz)) | if (0 == mansearch(&search, &paths, argc, argv, &res, &ressz)) | ||
resp_search(req, res, ressz); | pg_noresult(req, "You entered an invalid query."); | ||
else if (0 == ressz) | |||
pg_noresult(req, "No results found."); | |||
else | else | ||
resp_baddb(); | pg_searchres(req, res, ressz); | ||
for (i = 0; i < sz; i++) | free(query); | ||
free(cp[i]); | mansearch_free(res, ressz); | ||
free(cp); | |||
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[0]); | ||
free(paths.paths); | free(paths.paths); | ||
} | } | ||
|
|
||
int | int | ||
main(void) | main(void) | ||
{ | { | ||
int i; | |||
DIR *cwd; | |||
struct req req; | struct req req; | ||
char *p, *path, *subpath; | struct itimerval itimer; | ||
const char *path; | |||
const char *querystring; | |||
int i; | |||
/* Scan our run-time environment. */ | /* Poor man's ReDoS mitigation. */ | ||
if (NULL == (cache = getenv("CACHE_DIR"))) | itimer.it_value.tv_sec = 2; | ||
cache = "/cache/man.cgi"; | itimer.it_value.tv_usec = 0; | ||
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)); | |||
pg_error_internal(); | |||
return EXIT_FAILURE; | |||
} | |||
if (NULL == (progname = getenv("SCRIPT_NAME"))) | /* Scan our run-time environment. */ | ||
progname = ""; | |||
if (NULL == (css = getenv("CSS_DIR"))) | if (NULL == (scriptname = getenv("SCRIPT_NAME"))) | ||
css = ""; | scriptname = ""; | ||
if (NULL == (host = getenv("HTTP_HOST"))) | if ( ! validate_urifrag(scriptname)) { | ||
host = "localhost"; | fprintf(stderr, "unsafe SCRIPT_NAME \"%s\"\n", | ||
scriptname); | |||
pg_error_internal(); | |||
return EXIT_FAILURE; | |||
} | |||
/* | /* | ||
* First we change directory into the cache directory so that | * First we change directory into the MAN_DIR so that | ||
* subsequent scanning for manpath directories is rooted | * subsequent scanning for manpath directories is rooted | ||
* relative to the same position. | * relative to the same position. | ||
*/ | */ | ||
if (-1 == chdir(cache)) { | if (-1 == chdir(MAN_DIR)) { | ||
perror(cache); | fprintf(stderr, "MAN_DIR: %s: %s\n", | ||
resp_bad(); | MAN_DIR, strerror(errno)); | ||
return(EXIT_FAILURE); | pg_error_internal(); | ||
} else if (NULL == (cwd = opendir(cache))) { | return EXIT_FAILURE; | ||
perror(cache); | } | ||
resp_bad(); | |||
return(EXIT_FAILURE); | |||
} | |||
memset(&req, 0, sizeof(struct req)); | memset(&req, 0, sizeof(struct req)); | ||
pathgen(&req); | |||
pathgen(cwd, &req); | |||
closedir(cwd); | |||
/* Next parse out the query string. */ | /* Next parse out the query string. */ | ||
if (NULL != (p = getenv("QUERY_STRING"))) | if (NULL != (querystring = getenv("QUERY_STRING"))) | ||
http_parse(&req, p); | http_parse(&req, querystring); | ||
/* | if (req.q.manpath == NULL) | ||
* Now juggle paths to extract information. | req.q.manpath = mandoc_strdup(req.p[0]); | ||
* We want to extract our filetype (the file suffix), the | else if ( ! validate_manpath(&req, req.q.manpath)) { | ||
* initial path component, then the trailing component(s). | pg_error_badrequest( | ||
* Start with leading subpath component. | "You specified an invalid manpath."); | ||
*/ | return EXIT_FAILURE; | ||
} | |||
subpath = path = NULL; | if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) { | ||
req.page = PAGE__MAX; | pg_error_badrequest( | ||
"You specified an invalid architecture."); | |||
return EXIT_FAILURE; | |||
} | |||
if (NULL == (path = getenv("PATH_INFO")) || '\0' == *path) | /* Dispatch to the three different pages. */ | ||
req.page = PAGE_INDEX; | |||
if (NULL != path && '/' == *path && '\0' == *++path) | path = getenv("PATH_INFO"); | ||
req.page = PAGE_INDEX; | if (NULL == path) | ||
path = ""; | |||
else if ('/' == *path) | |||
path++; | |||
/* Resolve subpath component. */ | if ('\0' != *path) | ||
pg_show(&req, path); | |||
else if (NULL != req.q.query) | |||
pg_search(&req); | |||
else | |||
pg_index(&req); | |||
if (NULL != path && NULL != (subpath = strchr(path, '/'))) | free(req.q.manpath); | ||
*subpath++ = '\0'; | free(req.q.arch); | ||
free(req.q.sec); | |||
/* Map path into one we recognise. */ | free(req.q.query); | ||
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; | |||
} | |||
/* Route pages. */ | |||
switch (req.page) { | |||
case (PAGE_INDEX): | |||
pg_index(&req, subpath); | |||
break; | |||
case (PAGE_SEARCH): | |||
pg_search(&req, subpath); | |||
break; | |||
case (PAGE_SHOW): | |||
pg_show(&req, subpath); | |||
break; | |||
default: | |||
resp_error404(path); | |||
break; | |||
} | |||
for (i = 0; i < (int)req.psz; i++) | for (i = 0; i < (int)req.psz; i++) | ||
free(req.p[i]); | free(req.p[i]); | ||
free(req.p); | free(req.p); | ||
return(EXIT_SUCCESS); | return EXIT_SUCCESS; | ||
} | } | ||
static int | |||
cmp(const void *p1, const void *p2) | |||
{ | |||
return(strcasecmp(((const struct manpage *)p1)->names, | |||
((const struct manpage *)p2)->names)); | |||
} | |||
/* | /* | ||
* Scan for indexable paths. | * Scan for indexable paths. | ||
*/ | */ | ||
static void | static void | ||
pathgen(DIR *dir, struct req *req) | pathgen(struct req *req) | ||
{ | { | ||
struct dirent *d; | FILE *fp; | ||
#if defined(__sun) | char *dp; | ||
struct stat sb; | size_t dpsz; | ||
#endif | |||
while (NULL != (d = readdir(dir))) { | if (NULL == (fp = fopen("manpath.conf", "r"))) { | ||
#if defined(__sun) | fprintf(stderr, "%s/manpath.conf: %s\n", | ||
stat(d->d_name, &sb); | MAN_DIR, strerror(errno)); | ||
if (!(S_IFDIR & sb.st_mode) | pg_error_internal(); | ||
#else | exit(EXIT_FAILURE); | ||
if (DT_DIR != d->d_type | } | ||
#endif | |||
|| '.' != d->d_name[0]) { | while (NULL != (dp = fgetln(fp, &dpsz))) { | ||
req->p = mandoc_realloc(req->p, | if ('\n' == dp[dpsz - 1]) | ||
(req->psz + 1) * sizeof(char *)); | dpsz--; | ||
req->p[req->psz++] = mandoc_strdup(d->d_name); | req->p = mandoc_realloc(req->p, | ||
(req->psz + 1) * sizeof(char *)); | |||
dp = mandoc_strndup(dp, dpsz); | |||
if ( ! validate_urifrag(dp)) { | |||
fprintf(stderr, "%s/manpath.conf contains " | |||
"unsafe path \"%s\"\n", 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); | |||
pg_error_internal(); | |||
exit(EXIT_FAILURE); | |||
} | |||
req->p[req->psz++] = dp; | |||
} | |||
if ( req->p == NULL ) { | |||
fprintf(stderr, "%s/manpath.conf is empty\n", MAN_DIR); | |||
pg_error_internal(); | |||
exit(EXIT_FAILURE); | |||
} | } | ||
} | } |