X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;ds=sidebyside;f=www%2Fwproto.c;h=03b04d53c4057dfdd084c116b6bd6c2e38493ad9;hb=da4f027b1e7c0bf90efe6782a326448af164cd37;hp=4cba04c1038405a320a11e68894e6e5cd4e87f76;hpb=c47bf7a41dceb3ed05572f8d6a2b2370bf20e93b;p=egate.git diff --git a/www/wproto.c b/www/wproto.c index 4cba04c..03b04d5 100644 --- a/www/wproto.c +++ b/www/wproto.c @@ -41,7 +41,29 @@ * USE OR PERFORMANCE OF THIS SOFTWARE. * * $Log: wproto.c,v $ - * Revision 1.12 1996/01/05 16:35:02 adam + * Revision 1.17 1996/01/26 09:02:22 adam + * Open of client FIFO called with O_NDELAY when reconnecting to shell + * in order to prevent serious lock if previous shell died without + * unlinking client FIFO. + * + * Revision 1.16 1996/01/24 10:13:56 adam + * Bug fix: in function wo_write realloc is used only when memory is already + * allocated with malloc. + * + * Revision 1.15 1996/01/24 08:25:32 adam + * Buf fix: Uninitialized outbuffer_offset member. + * + * Revision 1.14 1996/01/12 13:08:07 adam + * CGI script passes name of lock file to the shell. The server will not close + * the response FIFO until this file becomes unlocked. This method handles + * cancel operations much better. + * + * Revision 1.13 1996/01/12 10:05:20 adam + * If script name ends with ';' HTTP/GET/Expires will be defined. + * The cgi interface only reads final handshake if response from + * server (shell) was zero-terminated [If it isn't it probably died]. + * + * Revision 1.12 1996/01/05 16:35:02 adam * Minor changes. * * Revision 1.11 1996/01/05 16:21:21 adam @@ -113,8 +135,14 @@ static char *mod = "wproto"; void wo_write (WCLIENT wc, const char *s, size_t len) { if (wc->outbuffer_offset + len >= wc->outbuffer_size) - wc->outbuffer = realloc(wc->outbuffer, wc->outbuffer_size += - OUTBUFFER_CHUNK); + { + if (!wc->outbuffer) + wc->outbuffer = malloc (wc->outbuffer_size += + ((len >= OUTBUFFER_CHUNK) ? len*2 : OUTBUFFER_CHUNK)); + else + wc->outbuffer = realloc(wc->outbuffer, wc->outbuffer_size += + ((len >= OUTBUFFER_CHUNK) ? len*2 : OUTBUFFER_CHUNK)); + } memcpy(wc->outbuffer + wc->outbuffer_offset, s, len); wc->outbuffer_offset += len; } @@ -135,16 +163,11 @@ void wo_printf (WCLIENT wc, const char *fmt, ...) va_end(ap); } -void wo_clear (WCLIENT wc, char *type) +void wo_clear (WCLIENT wc, const char *type) { - if (!wc->outbuffer) - wc->outbuffer = malloc(wc->outbuffer_size = OUTBUFFER_CHUNK); wc->outbuffer_offset = 0; -#if 0 - wo_printf(wc, "Expires: 0\nContent-type: %s\n\n", type); -#else - wo_printf(wc, "Content-type: %s\n\n", type); -#endif + if (type) + wo_printf(wc, "Content-type: %s\n\n", type); } int wo_puthtml (WCLIENT wc, char *name) @@ -217,19 +240,24 @@ int wo_overflow(WCLIENT wc, char ch) int wo_finish(WCLIENT wc) { - char buf[4]; + int fd; gw_log (GW_LOG_DEBUG, mod, "wo_finish"); wo_putc (wc, 0); if (wo_flush(wc) < 0) return -1; -#if 1 - gw_log (GW_LOG_DEBUG, mod, "reading ack"); - if (read(wc->linein, buf, 2) != 2) + + fd = open (wc->wf_serverf, O_RDONLY); + if (fd != -1) { - gw_log (GW_LOG_DEBUG, mod, "read ack"); + struct flock area; + area.l_type = F_RDLCK; + area.l_whence = SEEK_SET; + area.l_start = 0L; + area.l_len = 0L; + fcntl (fd, F_SETLKW, &area); + close (fd); } -#endif close(wc->lineout); wc->lineout = -1; if (wc->cache_fd >= 0) @@ -340,7 +368,6 @@ int wproto_process(WCLIENT wc, int timeout) unlink (wc->wf_serverp); return 0; } - /* determine handle (fifo or user) */ if (read(wc->linein, &toread, sizeof(toread)) < sizeof(toread)) { gw_log (GW_LOG_FATAL|GW_LOG_ERRNO, mod, "wp_proc:len read failed"); @@ -355,6 +382,8 @@ int wproto_process(WCLIENT wc, int timeout) p = combuf; for (t = wc->wf_serverp; (*t = *p); t++, p++); p++; + for (t = wc->wf_serverf; (*t = *p); t++, p++); + p++; for (t = wc->wf_parms; (*t = *p); t++, p++); p++; p++; /* we don't deal with envvars yet */ @@ -433,6 +462,8 @@ WCLIENT wproto_init(void) exit(1); } new->outbuffer = 0; + new->outbuffer_size = 0; + new->outbuffer_offset = 0; new->cache_level = -1; new->cache_fd = -1; return new;