static void create_request(struct location *location) { struct headers *header = config_opts.headers; char *p; location->rlen = request_length(location); p = malloc(location->rlen + 1); memset(p, 0, location->rlen + 1); location->request = p; p += write_resource(location->uri, p); while (1) { if (header->value) p += sprintf(p, "%s: %s\r\n", header->header, header->value); if (header->next == config_opts.headers) break; header = header->next; } p += sprintf(p, "Host: %s\r\n\r\n", location->uri->hostname); }
void ResetCurrentRequest(ClientPtr client) { OsCommPtr oc = (OsCommPtr) client->osPrivate; ConnectionInputPtr oci = oc->input; int fd = oc->fd; fsReq *request; int gotnow; if (AvailableInput == oc) AvailableInput = (OsCommPtr) NULL; oci->lenLastReq = 0; request = (fsReq *) oci->bufptr; gotnow = oci->bufcnt + oci->buffer - oci->bufptr; if ((gotnow >= SIZEOF(fsReq)) && (gotnow >= request_length(request, client))) { FD_SET(fd, &ClientsWithInput); yield_control(); } else { yield_control_no_input(); } }
Bool InsertFakeRequest(ClientPtr client, char *data, int count) { OsCommPtr oc = (OsCommPtr) client->osPrivate; ConnectionInputPtr oci = oc->input; int fd = oc->fd; fsReq *request; int gotnow, moveup; if (AvailableInput) { if (AvailableInput != oc) { register ConnectionInputPtr aci = AvailableInput->input; if (aci->size > BUFWATERMARK) { fsfree(aci->buffer); fsfree(aci); } else { aci->next = FreeInputs; FreeInputs = aci; } AvailableInput->input = (ConnectionInputPtr) NULL; } AvailableInput = (OsCommPtr) NULL; } if (!oci) { if ((oci = FreeInputs) != (ConnectionInputPtr) 0) FreeInputs = oci->next; else if (!(oci = AllocateInputBuffer())) return FALSE; oc->input = oci; } oci->bufptr += oci->lenLastReq; oci->lenLastReq = 0; gotnow = oci->bufcnt + oci->buffer - oci->bufptr; if ((gotnow + count) > oci->size) { char *ibuf; ibuf = (char *) fsrealloc(oci->buffer, gotnow + count); if (!ibuf) return FALSE; oci->size = gotnow + count; oci->buffer = ibuf; oci->bufptr = ibuf + oci->bufcnt - gotnow; } moveup = count - (oci->bufptr - oci->buffer); if (moveup > 0) { if (gotnow > 0) memmove( oci->bufptr + moveup, oci->bufptr, gotnow); oci->bufptr += moveup; oci->bufcnt += moveup; } memmove( oci->bufptr - count, data, count); oci->bufptr -= count; request = (fsReq *) oci->bufptr; gotnow += count; if ((gotnow >= SIZEOF(fsReq)) && (gotnow >= request_length(request, client))) FD_SET(fd, &ClientsWithInput); else yield_control_no_input(); return TRUE; }
int ReadRequest(ClientPtr client) { OsCommPtr oc; ConnectionInputPtr oci; fsReq *request; int fd, result, gotnow, needed = 0; if (client == NULL) return -1; oc = (OsCommPtr) client->osPrivate; if (oc == NULL) return -1; oci = oc->input; fd = oc->fd; if (oci != NULL && fd < 0) return -1; if (AvailableInput) { if (AvailableInput != oc) { ConnectionInputPtr aci = AvailableInput->input; if (aci->size > BUFWATERMARK) { fsfree(aci->buffer); fsfree(aci); } else { aci->next = FreeInputs; FreeInputs = aci; } AvailableInput->input = (ConnectionInputPtr) NULL; } AvailableInput = (OsCommPtr) NULL; } if (!oci) { if ((oci = FreeInputs ) != (ConnectionInputPtr) 0) { FreeInputs = oci->next; } else if (!(oci = AllocateInputBuffer())) { yield_control_death(); return -1; } oc->input = oci; } oci->bufptr += oci->lenLastReq; gotnow = oci->bufcnt + oci->buffer - oci->bufptr; request = (fsReq *) oci->bufptr; /* not enough for a request */ if ((gotnow < SIZEOF(fsReq)) || (gotnow < (needed = request_length(request, client)))) { oci->lenLastReq = 0; if ((gotnow < SIZEOF(fsReq)) || needed == 0) needed = SIZEOF(fsReq); else if (needed > MAXBUFSIZE) { yield_control_death(); return -1; } /* see if we need to shift up a partial request so the rest can fit */ if ((gotnow == 0) || ((oci->bufptr - oci->buffer + needed) > oci->size)) { if ((gotnow > 0) && (oci->bufptr != oci->buffer)) memmove( oci->buffer, oci->bufptr, gotnow); /* grow buffer if necessary */ if (needed > oci->size) { char *ibuf; ibuf = (char *) fsrealloc(oci->buffer, needed); if (!ibuf) { yield_control_death(); return -1; } oci->size = needed; oci->buffer = ibuf; } oci->bufptr = oci->buffer; oci->bufcnt = gotnow; } /* fill 'er up */ if (oc->trans_conn == NULL) { yield_control_death(); return -1; } result = _FontTransRead(oc->trans_conn, oci->buffer + oci->bufcnt, oci->size - oci->bufcnt); if (result <= 0) { #if !(defined(SVR4) && defined(i386) && !defined(sun)) if ((result < 0) && ETEST(errno)) { yield_control_no_input(); return 0; } else #endif { yield_control_death(); return -1; } } oci->bufcnt += result; gotnow += result; /* free up space after huge requests */ if ((oci->size > BUFWATERMARK) && (oci->bufcnt < BUFSIZE) && (needed < BUFSIZE)) { char *ibuf; ibuf = (char *) fsrealloc(oci->buffer, BUFSIZE); if (ibuf) { oci->size = BUFSIZE; oci->buffer = ibuf; oci->bufptr = ibuf + oci->bufcnt - gotnow; } } request = (fsReq *) oci->bufptr; if ((gotnow < SIZEOF(fsReq)) || (gotnow < (needed = request_length(request, client)))) { yield_control_no_input(); return 0; } } if (needed == 0) needed = SIZEOF(fsReq); oci->lenLastReq = needed; /* * Check to see if client has at least one whole request in the buffer. If * there is only a partial request, treat like buffer is empty so that * select() will be called again and other clients can get into the queue. */ if (gotnow >= needed + SIZEOF(fsReq)) { request = (fsReq *) (oci->bufptr + needed); if (gotnow >= needed + request_length(request, client)) FD_SET(fd, &ClientsWithInput); else yield_control_no_input(); } else { if (gotnow == needed) AvailableInput = oc; yield_control_no_input(); } if (++timesThisConnection >= MAX_TIMES_PER) yield_control(); client->requestBuffer = (pointer) oci->bufptr; return needed; }