| 197 | } |
| 198 | |
| 199 | static int |
| 200 | soparsehttpvers(struct socket *so, void *arg, int waitflag) |
| 201 | { |
| 202 | struct mbuf *m, *n; |
| 203 | int i, cc, spaces, inspaces; |
| 204 | |
| 205 | if ((so->so_rcv.sb_state & SBS_CANTRCVMORE) != 0 || sbfull(&so->so_rcv)) |
| 206 | goto fallout; |
| 207 | |
| 208 | m = so->so_rcv.sb_mb; |
| 209 | cc = sbavail(&so->so_rcv); |
| 210 | inspaces = spaces = 0; |
| 211 | for (m = so->so_rcv.sb_mb; m; m = n) { |
| 212 | n = m->m_nextpkt; |
| 213 | for (; m; m = m->m_next) { |
| 214 | for (i = 0; i < m->m_len; i++, cc--) { |
| 215 | switch (*(mtod(m, char *) + i)) { |
| 216 | case ' ': |
| 217 | /* tabs? '\t' */ |
| 218 | if (!inspaces) { |
| 219 | spaces++; |
| 220 | inspaces = 1; |
| 221 | } |
| 222 | break; |
| 223 | case '\r': |
| 224 | case '\n': |
| 225 | DPRINT("newline"); |
| 226 | goto fallout; |
| 227 | default: |
| 228 | if (spaces != 2) { |
| 229 | inspaces = 0; |
| 230 | break; |
| 231 | } |
| 232 | |
| 233 | /* |
| 234 | * if we don't have enough characters |
| 235 | * left (cc < sizeof("HTTP/1.0") - 1) |
| 236 | * then see if the remaining ones |
| 237 | * are a request we can parse. |
| 238 | */ |
| 239 | if (cc < sizeof("HTTP/1.0") - 1) { |
| 240 | if (mbufstrncmp(m, n, i, cc, |
| 241 | "HTTP/1.") == 1) { |
| 242 | DPRINT("ok"); |
| 243 | goto readmore; |
| 244 | } else { |
| 245 | DPRINT("bad"); |
| 246 | goto fallout; |
| 247 | } |
| 248 | } else if ( |
| 249 | mbufstrcmp(m, n, i, "HTTP/1.0") || |
| 250 | mbufstrcmp(m, n, i, "HTTP/1.1")) { |
| 251 | DPRINT("ok"); |
| 252 | return (soishttpconnected(so, |
| 253 | arg, waitflag)); |
| 254 | } else { |
| 255 | DPRINT("bad"); |
| 256 | goto fallout; |
no test coverage detected