[sr-dev] git:master: core: tcp_read.c insensitive search for HTTP11 headers

Module: sip-router Branch: master Commit: 33f8efe0ee6af800cfb0e870be3e0c9626a5110f URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=33f8efe… Author: root &lt;root(a)boyce.voipuser.org&gt; Committer: root &lt;root(a)boyce.voipuser.org&gt; Date: Tue Sep 21 13:11:33 2010 +0100 core: tcp_read.c insensitive search for HTTP11 headers --- tcp_read.c | 29 ++++++++++++++++++++++++++--- 1 files changed, 26 insertions(+), 3 deletions(-) diff --git a/tcp_read.c b/tcp_read.c index b8be180..1fe5a91 100644 --- a/tcp_read.c +++ b/tcp_read.c @@ -122,16 +122,39 @@ static struct local_timer tcp_reader_ltimer; static ticks_t tcp_reader_prev_ticks; #ifdef READ_HTTP11 +static inline char *strfindcasestrz(str *haystack, char *needlez) +{ + int i,j; + str needle; + + needle.s = needlez; + needle.len = strlen(needlez); + for(i=0;i<haystack->len-needle.len;i++) { + for(j=0;j<needle.len;j++) { + if ( !((haystack->s[i+j]==needle.s[j]) || + ( isalpha((int)haystack->s[i+j]) + && ((haystack->s[i+j])^(needle.s[j]))==0x20 )) ) + break; + } + if (j==needle.len) + return haystack->s+i; + } + return 0; +} + int tcp_http11_continue(struct tcp_connection *c) { struct dest_info dst; char *p; struct msg_start fline; int ret; + str msg; ret = 0; - p = parse_first_line(c->req.buf, c->req.pos - c->req.buf, &fline); + msg.s = c->req.start; + msg.len = c->req.pos - c->req.start; + p = parse_first_line(msg.s, msg.len, &fline); if(p==NULL) return 0; @@ -145,7 +168,7 @@ int tcp_http11_continue(struct tcp_connection *c) return 0; /* check for Expect header */ - if(strstr(c->req.start, "Expect: 100-continue")!=NULL) + if(strfindcasestrz(&msg, "Expect: 100-continue")!=NULL) { init_dst_from_rcv(&dst, &c->rcv); if (tcp_send(&dst, 0, HTTP11CONTINUE, HTTP11CONTINUE_LEN) < 0) { @@ -153,7 +176,7 @@ int tcp_http11_continue(struct tcp_connection *c) } } /* check for Transfer-Encoding header */ - if(strstr(c->req.start, "Transfer-Encoding: chunked")!=NULL) + if(strfindcasestrz(&msg, "Transfer-Encoding: chunked")!=NULL) { c->req.flags |= F_TCP_REQ_BCHUNKED; ret = 1;