version 1.68, 2014/07/12 23:46:44 |
version 1.81, 2014/07/24 08:26:57 |
Line 64 static void http_print(const char *); |
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Line 64 static void http_print(const char *); |
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static void http_putchar(char); |
static void http_putchar(char); |
static void http_printquery(const struct req *); |
static void http_printquery(const struct req *); |
static void pathgen(struct req *); |
static void pathgen(struct req *); |
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static void pg_error_badrequest(const char *); |
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static void pg_error_internal(void); |
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static void pg_index(const struct req *); |
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static void pg_noresult(const struct req *, const char *); |
static void pg_search(const struct req *); |
static void pg_search(const struct req *); |
static void pg_show(const struct req *, const char *); |
static void pg_searchres(const struct req *, |
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struct manpage *, size_t); |
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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_error_badrequest(const char *); |
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static void resp_error_internal(void); |
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static void resp_index(const struct req *); |
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static void resp_noresult(const struct req *, |
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const char *); |
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static void resp_search(const struct req *, |
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struct manpage *, size_t); |
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static void resp_searchform(const struct req *); |
static void resp_searchform(const struct req *); |
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static void resp_show(const struct req *, const char *); |
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static const char *scriptname; /* CGI script name */ |
static const char *scriptname; /* CGI script name */ |
static const char *httphost; /* hostname used in the URIs */ |
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static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; |
static const char *const sec_numbers[] = { |
static const char *const sec_numbers[] = { |
"0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9" |
"0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9" |
}; |
}; |
Line 249 http_parse(struct req *req, char *p) |
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Line 249 http_parse(struct req *req, char *p) |
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if (0 == strcmp(key, "query")) |
if (0 == strcmp(key, "query")) |
req->q.expr = val; |
req->q.expr = val; |
else if (0 == strcmp(key, "manpath")) |
else if (0 == strcmp(key, "manpath")) { |
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#ifdef COMPAT_OLDURI |
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if (0 == strncmp(val, "OpenBSD ", 8)) { |
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val[7] = '-'; |
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if ('C' == val[8]) |
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val[8] = 'c'; |
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} |
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#endif |
req->q.manpath = val; |
req->q.manpath = val; |
else if (0 == strcmp(key, "apropos")) |
} else if (0 == strcmp(key, "apropos")) |
req->q.equal = !strcmp(val, "0"); |
req->q.equal = !strcmp(val, "0"); |
else if (0 == strcmp(key, "sec") || |
else if (0 == strcmp(key, "sec")) { |
0 == strcmp(key, "sektion")) { |
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if (strcmp(val, "0")) |
if (strcmp(val, "0")) |
req->q.sec = val; |
req->q.sec = val; |
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#ifdef COMPAT_OLDURI |
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} else if (0 == strcmp(key, "sektion")) { |
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if (strcmp(val, "0")) |
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req->q.sec = val; |
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#endif |
} else if (0 == strcmp(key, "arch")) { |
} else if (0 == strcmp(key, "arch")) { |
if (strcmp(val, "default")) |
if (strcmp(val, "default")) |
req->q.arch = val; |
req->q.arch = val; |
Line 411 resp_searchform(const struct req *req) |
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Line 422 resp_searchform(const struct req *req) |
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/* Write architecture selector. */ |
/* Write architecture selector. */ |
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puts("<SELECT NAME=\"arch\">"); |
printf( "<SELECT NAME=\"arch\">\n" |
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"<OPTION VALUE=\"default\""); |
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if (NULL == req->q.arch) |
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printf(" SELECTED"); |
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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 VALUE=\"%s\"", arch_names[i]); |
if (NULL != req->q.arch && |
if (NULL != req->q.arch && |
Line 455 resp_searchform(const struct req *req) |
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Line 470 resp_searchform(const struct req *req) |
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puts("<!-- End search form. //-->"); |
puts("<!-- End search form. //-->"); |
} |
} |
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static int |
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validate_urifrag(const char *frag) |
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{ |
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while ('\0' != *frag) { |
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if ( ! (isalnum((unsigned char)*frag) || |
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'-' == *frag || '.' == *frag || |
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'/' == *frag || '_' == *frag)) |
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return(0); |
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frag++; |
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} |
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return(1); |
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} |
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static int |
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validate_manpath(const struct req *req, const char* manpath) |
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{ |
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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++) |
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if ( ! strcmp(manpath, req->p[i])) |
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return(1); |
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return(0); |
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} |
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static int |
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validate_filename(const char *file) |
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{ |
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if ('.' == file[0] && '/' == file[1]) |
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file += 2; |
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return ( ! (strstr(file, "../") || strstr(file, "/..") || |
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(strncmp(file, "man", 3) && strncmp(file, "cat", 3)))); |
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} |
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static void |
static void |
resp_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); |
resp_searchform(req); |
resp_searchform(req); |
printf("<P>\n" |
printf("<P>\n" |
"This web interface is documented in the " |
"This web interface is documented in the " |
"<A HREF=\"%s?query=man.cgi&sec=8\">" |
"<A HREF=\"%s/mandoc/man8/man.cgi.8\">man.cgi</A> " |
"man.cgi</A> manual, and the " |
"manual, and the " |
"<A HREF=\"%s?query=apropos&sec=1\">" |
"<A HREF=\"%s/mandoc/man1/apropos.1\">apropos</A> " |
"apropos</A> manual explains the query syntax.\n" |
"manual explains the query syntax.\n" |
"</P>\n", |
"</P>\n", |
scriptname, scriptname); |
scriptname, scriptname); |
resp_end_html(); |
resp_end_html(); |
} |
} |
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static void |
static void |
resp_noresult(const struct req *req, const char *msg) |
pg_noresult(const struct req *req, const char *msg) |
{ |
{ |
resp_begin_html(200, NULL); |
resp_begin_html(200, NULL); |
resp_searchform(req); |
resp_searchform(req); |
Line 484 resp_noresult(const struct req *req, const char *msg) |
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Line 539 resp_noresult(const struct req *req, const char *msg) |
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} |
} |
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static void |
static void |
resp_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"); |
Line 498 resp_error_badrequest(const char *msg) |
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Line 553 resp_error_badrequest(const char *msg) |
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} |
} |
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static void |
static void |
resp_error_internal(void) |
pg_error_internal(void) |
{ |
{ |
resp_begin_html(500, "Internal Server Error"); |
resp_begin_html(500, "Internal Server Error"); |
puts("<P>Internal Server Error</P>"); |
puts("<P>Internal Server Error</P>"); |
Line 506 resp_error_internal(void) |
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Line 561 resp_error_internal(void) |
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} |
} |
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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; |
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size_t i, iuse, isec; |
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int archprio, archpriouse; |
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int prio, priouse; |
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char sec; |
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for (i = 0; i < sz; i++) { |
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if (validate_filename(r[i].file)) |
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continue; |
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fprintf(stderr, "invalid filename %s in %s database\n", |
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r[i].file, req->q.manpath); |
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pg_error_internal(); |
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return; |
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} |
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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 |
Line 517 resp_search(const struct req *req, struct manpage *r, |
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Line 585 resp_search(const struct req *req, struct manpage *r, |
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*/ |
*/ |
printf("Status: 303 See Other\r\n"); |
printf("Status: 303 See Other\r\n"); |
printf("Location: http://%s%s/%s/%s?", |
printf("Location: http://%s%s/%s/%s?", |
httphost, scriptname, req->q.manpath, r[0].file); |
HTTP_HOST, scriptname, req->q.manpath, r[0].file); |
http_printquery(req); |
http_printquery(req); |
printf("\r\n" |
printf("\r\n" |
"Content-Type: text/html; charset=utf-8\r\n" |
"Content-Type: text/html; charset=utf-8\r\n" |
Line 550 resp_search(const struct req *req, struct manpage *r, |
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Line 618 resp_search(const struct req *req, struct manpage *r, |
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puts("</TABLE>\n" |
puts("</TABLE>\n" |
"</DIV>"); |
"</DIV>"); |
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/* |
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* In man(1) mode, show one of the pages |
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* even if more than one is found. |
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*/ |
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if (req->q.equal) { |
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puts("<HR>"); |
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iuse = 0; |
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priouse = 10; |
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archpriouse = 3; |
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for (i = 0; i < sz; i++) { |
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isec = strcspn(r[i].file, "123456789"); |
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sec = r[i].file[isec]; |
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if ('\0' == sec) |
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continue; |
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prio = sec_prios[sec - '1']; |
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if (NULL == req->q.arch) { |
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archprio = |
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(NULL == (arch = strchr( |
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r[i].file + isec, '/'))) ? 3 : |
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(NULL == (archend = strchr( |
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arch + 1, '/'))) ? 0 : |
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strncmp(arch, "amd64/", |
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archend - arch) ? 2 : 1; |
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if (archprio < archpriouse) { |
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archpriouse = archprio; |
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priouse = prio; |
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iuse = i; |
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continue; |
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} |
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if (archprio > archpriouse) |
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continue; |
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} |
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if (prio >= priouse) |
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continue; |
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priouse = prio; |
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iuse = i; |
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} |
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resp_show(req, r[iuse].file); |
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} |
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resp_end_html(); |
resp_end_html(); |
} |
} |
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Line 563 catman(const struct req *req, const char *file) |
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Line 673 catman(const struct req *req, const char *file) |
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int italic, bold; |
int italic, bold; |
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if (NULL == (f = fopen(file, "r"))) { |
if (NULL == (f = fopen(file, "r"))) { |
resp_error_badrequest( |
puts("<P>You specified an invalid manual file.</P>"); |
"You specified an invalid manual file."); |
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return; |
return; |
} |
} |
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resp_begin_html(200, NULL); |
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resp_searchform(req); |
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puts("<DIV CLASS=\"catman\">\n" |
puts("<DIV CLASS=\"catman\">\n" |
"<PRE>"); |
"<PRE>"); |
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Line 683 catman(const struct req *req, const char *file) |
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Line 790 catman(const struct req *req, const char *file) |
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} |
} |
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puts("</PRE>\n" |
puts("</PRE>\n" |
"</DIV>\n" |
"</DIV>"); |
"</BODY>\n" |
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"</HTML>"); |
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fclose(f); |
fclose(f); |
} |
} |
Line 702 format(const struct req *req, const char *file) |
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Line 807 format(const struct req *req, const char *file) |
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char opts[PATH_MAX + 128]; |
char opts[PATH_MAX + 128]; |
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if (-1 == (fd = open(file, O_RDONLY, 0))) { |
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
resp_error_badrequest( |
puts("<P>You specified an invalid manual file.</P>"); |
"You specified an invalid manual file."); |
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return; |
return; |
} |
} |
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Line 715 format(const struct req *req, const char *file) |
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Line 819 format(const struct req *req, const char *file) |
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if (rc >= MANDOCLEVEL_FATAL) { |
if (rc >= MANDOCLEVEL_FATAL) { |
fprintf(stderr, "fatal mandoc error: %s/%s\n", |
fprintf(stderr, "fatal mandoc error: %s/%s\n", |
req->q.manpath, file); |
req->q.manpath, file); |
resp_error_internal(); |
pg_error_internal(); |
return; |
return; |
} |
} |
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snprintf(opts, sizeof(opts), |
snprintf(opts, sizeof(opts), "fragment,man=%s?" |
"fragment,man=%s?query=%%N&sec=%%S", |
"manpath=%s&query=%%N&sec=%%S&arch=%s", |
scriptname); |
scriptname, req->q.manpath, |
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req->q.arch ? req->q.arch : ""); |
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mparse_result(mp, &mdoc, &man, NULL); |
mparse_result(mp, &mdoc, &man, NULL); |
if (NULL == man && NULL == mdoc) { |
if (NULL == man && NULL == mdoc) { |
fprintf(stderr, "fatal mandoc error: %s/%s\n", |
fprintf(stderr, "fatal mandoc error: %s/%s\n", |
req->q.manpath, file); |
req->q.manpath, file); |
resp_error_internal(); |
pg_error_internal(); |
mparse_free(mp); |
mparse_free(mp); |
return; |
return; |
} |
} |
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resp_begin_html(200, NULL); |
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resp_searchform(req); |
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vp = html_alloc(opts); |
vp = html_alloc(opts); |
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if (NULL != mdoc) |
if (NULL != mdoc) |
Line 742 format(const struct req *req, const char *file) |
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Line 844 format(const struct req *req, const char *file) |
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else |
else |
html_man(vp, man); |
html_man(vp, man); |
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puts("</BODY>\n" |
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"</HTML>"); |
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html_free(vp); |
html_free(vp); |
mparse_free(mp); |
mparse_free(mp); |
} |
} |
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static void |
static void |
pg_show(const struct req *req, const char *path) |
resp_show(const struct req *req, const char *file) |
{ |
{ |
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if ('.' == file[0] && '/' == file[1]) |
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file += 2; |
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if ('c' == *file) |
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catman(req, file); |
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else |
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format(req, file); |
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} |
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static void |
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pg_show(struct req *req, const char *path) |
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{ |
char *sub; |
char *sub; |
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if (NULL == path || NULL == (sub = strchr(path, '/'))) { |
if (NULL == path || NULL == (sub = strchr(path, '/'))) { |
resp_error_badrequest( |
pg_error_badrequest( |
"You did not specify a page to show."); |
"You did not specify a page to show."); |
return; |
return; |
} |
} |
*sub++ = '\0'; |
*sub++ = '\0'; |
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if ( ! validate_manpath(req, path)) { |
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pg_error_badrequest( |
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"You specified an invalid manpath."); |
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return; |
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} |
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/* |
/* |
* Begin by chdir()ing into the manpath. |
* 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 |
Line 768 pg_show(const struct req *req, const char *path) |
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Line 886 pg_show(const struct req *req, const char *path) |
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*/ |
*/ |
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if (-1 == chdir(path)) { |
if (-1 == chdir(path)) { |
resp_error_badrequest( |
fprintf(stderr, "chdir %s: %s\n", |
"You specified an invalid manpath."); |
path, strerror(errno)); |
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pg_error_internal(); |
return; |
return; |
} |
} |
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if ('c' == *sub) |
if ( ! validate_filename(sub)) { |
catman(req, sub); |
pg_error_badrequest( |
else |
"You specified an invalid manual file."); |
format(req, sub); |
return; |
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} |
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if (strcmp(path, "mandoc")) |
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req->q.manpath = path; |
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resp_begin_html(200, NULL); |
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resp_searchform(req); |
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resp_show(req, sub); |
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resp_end_html(); |
} |
} |
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static void |
static void |
Line 797 pg_search(const struct req *req) |
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Line 925 pg_search(const struct req *req) |
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*/ |
*/ |
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if (-1 == (chdir(req->q.manpath))) { |
if (-1 == (chdir(req->q.manpath))) { |
resp_error_badrequest( |
fprintf(stderr, "chdir %s: %s\n", |
"You specified an invalid manpath."); |
req->q.manpath, strerror(errno)); |
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pg_error_internal(); |
return; |
return; |
} |
} |
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Line 835 pg_search(const struct req *req) |
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Line 964 pg_search(const struct req *req) |
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} |
} |
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if (0 == mansearch(&search, &paths, sz, cp, "Nd", &res, &ressz)) |
if (0 == mansearch(&search, &paths, sz, cp, "Nd", &res, &ressz)) |
resp_noresult(req, "You entered an invalid query."); |
pg_noresult(req, "You entered an invalid query."); |
else if (0 == ressz) |
else if (0 == ressz) |
resp_noresult(req, "No results found."); |
pg_noresult(req, "No results found."); |
else |
else |
resp_search(req, res, ressz); |
pg_searchres(req, res, ressz); |
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for (i = 0; i < sz; i++) |
for (i = 0; i < sz; i++) |
free(cp[i]); |
free(cp[i]); |
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if (NULL == (scriptname = getenv("SCRIPT_NAME"))) |
if (NULL == (scriptname = getenv("SCRIPT_NAME"))) |
scriptname = ""; |
scriptname = ""; |
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if (NULL == (httphost = getenv("HTTP_HOST"))) |
if ( ! validate_urifrag(scriptname)) { |
httphost = "localhost"; |
fprintf(stderr, "unsafe SCRIPT_NAME \"%s\"\n", |
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scriptname); |
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pg_error_internal(); |
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return(EXIT_FAILURE); |
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} |
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/* |
/* |
* First we change directory into the MAN_DIR so that |
* First we change directory into the MAN_DIR so that |
|
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if (-1 == chdir(MAN_DIR)) { |
if (-1 == chdir(MAN_DIR)) { |
fprintf(stderr, "MAN_DIR: %s: %s\n", |
fprintf(stderr, "MAN_DIR: %s: %s\n", |
MAN_DIR, strerror(errno)); |
MAN_DIR, strerror(errno)); |
resp_error_internal(); |
pg_error_internal(); |
return(EXIT_FAILURE); |
return(EXIT_FAILURE); |
} |
} |
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|
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if (NULL != (querystring = getenv("QUERY_STRING"))) |
if (NULL != (querystring = getenv("QUERY_STRING"))) |
http_parse(&req, querystring); |
http_parse(&req, querystring); |
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|
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if ( ! validate_manpath(&req, req.q.manpath)) { |
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pg_error_badrequest( |
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"You specified an invalid manpath."); |
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return(EXIT_FAILURE); |
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} |
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|
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if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) { |
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pg_error_badrequest( |
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"You specified an invalid architecture."); |
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return(EXIT_FAILURE); |
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} |
|
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/* Dispatch to the three different pages. */ |
/* Dispatch to the three different pages. */ |
|
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path = getenv("PATH_INFO"); |
path = getenv("PATH_INFO"); |
|
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else if (NULL != req.q.expr) |
else if (NULL != req.q.expr) |
pg_search(&req); |
pg_search(&req); |
else |
else |
resp_index(&req); |
pg_index(&req); |
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for (i = 0; i < (int)req.psz; i++) |
for (i = 0; i < (int)req.psz; i++) |
free(req.p[i]); |
free(req.p[i]); |
Line 932 pathgen(struct req *req) |
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Line 1077 pathgen(struct req *req) |
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char *dp; |
char *dp; |
size_t dpsz; |
size_t dpsz; |
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if (NULL == (fp = fopen("manpath.conf", "r"))) |
if (NULL == (fp = fopen("manpath.conf", "r"))) { |
return; |
fprintf(stderr, "%s/manpath.conf: %s\n", |
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MAN_DIR, strerror(errno)); |
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pg_error_internal(); |
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exit(EXIT_FAILURE); |
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} |
|
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while (NULL != (dp = fgetln(fp, &dpsz))) { |
while (NULL != (dp = fgetln(fp, &dpsz))) { |
if ('\n' == dp[dpsz - 1]) |
if ('\n' == dp[dpsz - 1]) |
dpsz--; |
dpsz--; |
req->p = mandoc_realloc(req->p, |
req->p = mandoc_realloc(req->p, |
(req->psz + 1) * sizeof(char *)); |
(req->psz + 1) * sizeof(char *)); |
req->p[req->psz++] = mandoc_strndup(dp, dpsz); |
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); |
} |
} |
} |
} |