total_headers_len = 0;
#endif
- /* Read until blank line */
- while (1) {
- unsigned iobuf_len = get_line();
- if (!iobuf_len)
- break; /* EOF or error or empty line */
+ /* Read until blank line */
+ while (1) {
+ unsigned iobuf_len = get_line();
+ if (!iobuf_len)
+ break; /* EOF or error or empty line */
#if ENABLE_FEATURE_HTTPD_CGI
- /* Prevent unlimited growth of HTTP_xyz envvars */
- total_headers_len += iobuf_len;
- if (total_headers_len >= MAX_HTTP_HEADERS_SIZE)
- send_headers_and_exit(HTTP_ENTITY_TOO_LARGE);
+ /* Prevent unlimited growth of HTTP_xyz envvars */
+ total_headers_len += iobuf_len;
+ if (total_headers_len >= MAX_HTTP_HEADERS_SIZE)
+ send_headers_and_exit(HTTP_ENTITY_TOO_LARGE);
#endif
- if (DEBUG)
- bb_error_msg("header: '%s'", iobuf);
+ if (DEBUG)
+ bb_error_msg("header: '%s'", iobuf);
#if ENABLE_FEATURE_HTTPD_CGI || ENABLE_FEATURE_HTTPD_PROXY
- /* Try and do our best to parse more lines */
- if (STRNCASECMP(iobuf, "Content-Length:") == 0) {
- /* extra read only for POST */
- if (prequest != request_GET
+ /* Try and do our best to parse more lines */
+ if (STRNCASECMP(iobuf, "Content-Length:") == 0) {
+ /* extra read only for POST */
+ if (prequest != request_GET
# if ENABLE_FEATURE_HTTPD_CGI
- && prequest != request_HEAD
+ && prequest != request_HEAD
# endif
- ) {
- tptr = skip_whitespace(iobuf + sizeof("Content-Length:") - 1);
- if (!tptr[0])
- send_headers_and_exit(HTTP_BAD_REQUEST);
- /* not using strtoul: it ignores leading minus! */
- length = bb_strtou(tptr, NULL, 10);
- /* length is "ulong", but we need to pass it to int later */
- if (errno || length > INT_MAX)
- send_headers_and_exit(HTTP_BAD_REQUEST);
- }
- continue;
+ ) {
+ tptr = skip_whitespace(iobuf + sizeof("Content-Length:") - 1);
+ if (!tptr[0])
+ send_headers_and_exit(HTTP_BAD_REQUEST);
+ /* not using strtoul: it ignores leading minus! */
+ length = bb_strtou(tptr, NULL, 10);
+ /* length is "ulong", but we need to pass it to int later */
+ if (errno || length > INT_MAX)
+ send_headers_and_exit(HTTP_BAD_REQUEST);
}
+ continue;
+ }
#endif
#if ENABLE_FEATURE_HTTPD_BASIC_AUTH
- if (STRNCASECMP(iobuf, "Authorization:") == 0) {
- /* We only allow Basic credentials.
- * It shows up as "Authorization: Basic <user>:<passwd>" where
- * "<user>:<passwd>" is base64 encoded.
- */
- tptr = skip_whitespace(iobuf + sizeof("Authorization:")-1);
- if (STRNCASECMP(tptr, "Basic") == 0) {
- tptr += sizeof("Basic")-1;
- /* decodeBase64() skips whitespace itself */
- decodeBase64(tptr);
- authorized = check_user_passwd(urlcopy, tptr);
- continue;
- }
+ if (STRNCASECMP(iobuf, "Authorization:") == 0) {
+ /* We only allow Basic credentials.
+ * It shows up as "Authorization: Basic <user>:<passwd>" where
+ * "<user>:<passwd>" is base64 encoded.
+ */
+ tptr = skip_whitespace(iobuf + sizeof("Authorization:")-1);
+ if (STRNCASECMP(tptr, "Basic") == 0) {
+ tptr += sizeof("Basic")-1;
+ /* decodeBase64() skips whitespace itself */
+ decodeBase64(tptr);
+ authorized = check_user_passwd(urlcopy, tptr);
+ continue;
}
+ }
#endif
#if ENABLE_FEATURE_HTTPD_RANGES
- if (STRNCASECMP(iobuf, "Range:") == 0) {
- /* We know only bytes=NNN-[MMM] */
- char *s = skip_whitespace(iobuf + sizeof("Range:")-1);
- if (is_prefixed_with(s, "bytes=")) {
- s += sizeof("bytes=")-1;
- range_start = BB_STRTOOFF(s, &s, 10);
- if (s[0] != '-' || range_start < 0) {
+ if (STRNCASECMP(iobuf, "Range:") == 0) {
+ /* We know only bytes=NNN-[MMM] */
+ char *s = skip_whitespace(iobuf + sizeof("Range:")-1);
+ if (is_prefixed_with(s, "bytes=")) {
+ s += sizeof("bytes=")-1;
+ range_start = BB_STRTOOFF(s, &s, 10);
+ if (s[0] != '-' || range_start < 0) {
+ range_start = -1;
+ } else if (s[1]) {
+ range_end = BB_STRTOOFF(s+1, NULL, 10);
+ if (errno || range_end < range_start)
range_start = -1;
- } else if (s[1]) {
- range_end = BB_STRTOOFF(s+1, NULL, 10);
- if (errno || range_end < range_start)
- range_start = -1;
- }
}
- continue;
}
+ continue;
+ }
#endif
#if ENABLE_FEATURE_HTTPD_GZIP
- if (STRNCASECMP(iobuf, "Accept-Encoding:") == 0) {
- /* Note: we do not support "gzip;q=0"
- * method of _disabling_ gzip
- * delivery. No one uses that, though */
- const char *s = strstr(iobuf, "gzip");
- if (s) {
- // want more thorough checks?
- //if (s[-1] == ' '
- // || s[-1] == ','
- // || s[-1] == ':'
- //) {
- content_gzip = 1;
- //}
- }
- continue;
+ if (STRNCASECMP(iobuf, "Accept-Encoding:") == 0) {
+ /* Note: we do not support "gzip;q=0"
+ * method of _disabling_ gzip
+ * delivery. No one uses that, though */
+ const char *s = strstr(iobuf, "gzip");
+ if (s) {
+ // want more thorough checks?
+ //if (s[-1] == ' '
+ // || s[-1] == ','
+ // || s[-1] == ':'
+ //) {
+ content_gzip = 1;
+ //}
}
+ continue;
+ }
#endif
#if ENABLE_FEATURE_HTTPD_CGI
- if (cgi_type != CGI_NONE) {
- bool ct = (STRNCASECMP(iobuf, "Content-Type:") == 0);
- char *cp;
- char *colon = strchr(iobuf, ':');
+ if (cgi_type != CGI_NONE) {
+ bool ct = (STRNCASECMP(iobuf, "Content-Type:") == 0);
+ char *cp;
+ char *colon = strchr(iobuf, ':');
- if (!colon)
+ if (!colon)
+ continue;
+ cp = iobuf;
+ while (cp < colon) {
+ /* a-z => A-Z, not-alnum => _ */
+ char c = (*cp & ~0x20); /* toupper for A-Za-z, undef for others */
+ if ((unsigned)(c - 'A') <= ('Z' - 'A')) {
+ *cp++ = c;
continue;
- cp = iobuf;
- while (cp < colon) {
- /* a-z => A-Z, not-alnum => _ */
- char c = (*cp & ~0x20); /* toupper for A-Za-z, undef for others */
- if ((unsigned)(c - 'A') <= ('Z' - 'A')) {
- *cp++ = c;
- continue;
- }
- if (!isdigit(*cp))
- *cp = '_';
- cp++;
}
- /* "Content-Type:" gets no HTTP_ prefix, all others do */
- cp = xasprintf(ct ? "HTTP_%.*s=%s" + 5 : "HTTP_%.*s=%s",
- (int)(colon - iobuf), iobuf,
- skip_whitespace(colon + 1)
- );
- putenv(cp);
+ if (!isdigit(*cp))
+ *cp = '_';
+ cp++;
}
+ /* "Content-Type:" gets no HTTP_ prefix, all others do */
+ cp = xasprintf(ct ? "HTTP_%.*s=%s" + 5 : "HTTP_%.*s=%s",
+ (int)(colon - iobuf), iobuf,
+ skip_whitespace(colon + 1)
+ );
+ putenv(cp);
+ }
#endif
- } /* while extra header reading */
+ } /* while extra header reading */
/* We are done reading headers, disable peer timeout */
alarm(0);
projects / oweals / busybox.git / commitdiff