37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
--- a/modules/proxy/mod_proxy_uwsgi.c 2020/07/24 09:31:46 1880250
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+++ b/modules/proxy/mod_proxy_uwsgi.c 2020/07/24 09:35:25 1880251
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@@ -136,7 +136,7 @@
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int j;
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apr_size_t headerlen = 4;
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- apr_uint16_t pktsize, keylen, vallen;
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+ apr_size_t pktsize, keylen, vallen;
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const char *script_name;
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const char *path_info;
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const char *auth;
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@@ -178,6 +178,15 @@
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headerlen += 2 + strlen(env[j].key) + 2 + strlen(env[j].val);
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}
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+ pktsize = headerlen - 4;
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+ if (pktsize > APR_UINT16_MAX) {
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+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(10259)
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+ "can't send headers to %s:%u: packet size too "
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+ "large (%" APR_SIZE_T_FMT ")",
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+ conn->hostname, conn->port, pktsize);
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+ return HTTP_INTERNAL_SERVER_ERROR;
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+ }
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+
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ptr = buf = apr_palloc(r->pool, headerlen);
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ptr += 4;
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@@ -196,8 +205,6 @@
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ptr += vallen;
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}
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- pktsize = headerlen - 4;
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-
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buf[0] = 0;
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buf[1] = (apr_byte_t) (pktsize & 0xff);
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buf[2] = (apr_byte_t) ((pktsize >> 8) & 0xff);
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