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httpd: add support for directory indexer (cgi-bin/index.cgi)

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This commit is contained in:
Denis Vlasenko 2006-11-21 00:08:39 +00:00
parent a3ee69fa6c
commit 6c85ddc850
1 changed files with 29 additions and 25 deletions
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54
networking/httpd.c
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@ -893,9 +893,8 @@ static int sendHeaders(HttpResponseNum responseNum)
responseNum, responseString,
responseNum, responseString, infoString);
}
#if DEBUG
fprintf(stderr, "headers: '%s'\n", buf);
#endif
if (DEBUG)
fprintf(stderr, "headers: '%s'\n", buf);
return full_write(config->accepted_socket, buf, len);
}
@ -984,7 +983,7 @@ static int sendCgi(const char *url,
if (purl == NULL)
_exit(242);
inFd = toCgi[0];
inFd = toCgi[0];
outFd = fromCgi[1];
dup2(inFd, 0); // replace stdin with the pipe
@ -1028,7 +1027,7 @@ static int sendCgi(const char *url,
setenv1("REQUEST_URI", purl);
}
if (script != NULL)
*script = '\0'; /* reduce /PATH_INFO */
*script = '\0'; /* cut off /PATH_INFO */
/* SCRIPT_FILENAME required by PHP in CGI mode */
if (!realpath(purl + 1, realpath_buff))
goto error_execing_cgi;
@ -1546,7 +1545,7 @@ static void handleIncoming(void)
*test = '/';
}
if (blank >= 0) {
// read until blank line for HTTP version specified, else parse immediate
/* read until blank line for HTTP version specified, else parse immediate */
while (1) {
alarm(TIMEOUT);
count = getLine();
@ -1568,7 +1567,7 @@ static void handleIncoming(void)
length = strtol(test, &test, 10);
/* length is "ulong", but we need to pass it to int later */
/* so we check for negative or too large values in one go: */
/* (long -> ulong conv will cause negatives to be seen as > INT_MAX) */
/* (long -> ulong conv caused negatives to be seen as > INT_MAX) */
if (test[0] || errno || length > INT_MAX)
goto bail_out;
}
@ -1599,14 +1598,14 @@ static void handleIncoming(void)
} /* while extra header reading */
}
(void) alarm(0);
alarm(0);
if (config->alarm_signaled)
break;
if (strcmp(strrchr(url, '/') + 1, httpd_conf) == 0 || ip_allowed == 0) {
/* protect listing [/path]/httpd_conf or IP deny */
#if ENABLE_FEATURE_HTTPD_CGI
FORBIDDEN: /* protect listing /cgi-bin */
FORBIDDEN: /* protect listing /cgi-bin */
#endif
sendHeaders(HTTP_FORBIDDEN);
break;
@ -1631,25 +1630,30 @@ FORBIDDEN: /* protect listing /cgi-bin */
#if ENABLE_FEATURE_HTTPD_CGI
if (strncmp(test, "cgi-bin", 7) == 0) {
if (test[7] == '/' && test[8] == 0)
goto FORBIDDEN; // protect listing cgi-bin/
goto FORBIDDEN; /* protect listing cgi-bin/ */
sendCgi(url, prequest, length, cookie, content_type);
} else {
if (prequest != request_GET)
sendHeaders(HTTP_NOT_IMPLEMENTED);
else {
#endif /* FEATURE_HTTPD_CGI */
if (purl[-1] == '/')
strcpy(purl, "index.html");
if (stat(test, &sb) == 0) {
config->ContentLength = sb.st_size;
config->last_mod = sb.st_mtime;
}
sendFile(test);
config->ContentLength = -1;
#if ENABLE_FEATURE_HTTPD_CGI
break;
}
if (prequest != request_GET) {
sendHeaders(HTTP_NOT_IMPLEMENTED);
break;
}
if (purl[-1] == '/') {
if (access("cgi-bin/index.cgi", X_OK) == 0) {
config->query = url;
sendCgi("/cgi-bin/index.cgi", prequest, length, cookie, content_type);
break;
}
}
#endif
#endif /* FEATURE_HTTPD_CGI */
if (purl[-1] == '/')
strcpy(purl, "index.html");
if (stat(test, &sb) == 0) {
config->ContentLength = sb.st_size;
config->last_mod = sb.st_mtime;
}
sendFile(test);
config->ContentLength = -1;
} while (0);
bail_out: