diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/http.c | 142 | ||||
| -rw-r--r-- | lib/sendf.c | 90 | ||||
| -rw-r--r-- | lib/sendf.h | 14 |
3 files changed, 175 insertions, 71 deletions
diff --git a/lib/http.c b/lib/http.c index 4e3471b36..7e2089496 100644 --- a/lib/http.c +++ b/lib/http.c @@ -340,35 +340,41 @@ CURLcode http(struct connectdata *conn) http->p_accept = "Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*\r\n"; do { + send_buffer *req_buffer; struct curl_slist *headers=data->headers; - sendf(data->firstsocket, data, - "%s " /* GET/HEAD/POST/PUT */ - "%s HTTP/1.0\r\n" /* path */ - "%s" /* proxyuserpwd */ - "%s" /* userpwd */ - "%s" /* range */ - "%s" /* user agent */ - "%s" /* cookie */ - "%s" /* host */ - "%s" /* pragma */ - "%s" /* accept */ - "%s", /* referer */ - - data->customrequest?data->customrequest: - (data->bits.no_body?"HEAD": - (data->bits.http_post || data->bits.http_formpost)?"POST": - (data->bits.http_put)?"PUT":"GET"), - ppath, - (data->bits.proxy_user_passwd && data->ptr_proxyuserpwd)?data->ptr_proxyuserpwd:"", - (data->bits.user_passwd && data->ptr_userpwd)?data->ptr_userpwd:"", - (data->bits.set_range && data->ptr_rangeline)?data->ptr_rangeline:"", - (data->useragent && *data->useragent && data->ptr_uagent)?data->ptr_uagent:"", - (data->ptr_cookie?data->ptr_cookie:""), /* Cookie: <data> */ - (data->ptr_host?data->ptr_host:""), /* Host: host */ - http->p_pragma?http->p_pragma:"", - http->p_accept?http->p_accept:"", - (data->bits.http_set_referer && data->ptr_ref)?data->ptr_ref:"" /* Referer: <data> <CRLF> */ - ); + + /* initialize a dynamic send-buffer */ + req_buffer = add_buffer_init(); + + /* add the main request stuff */ + add_bufferf(req_buffer, + "%s " /* GET/HEAD/POST/PUT */ + "%s HTTP/1.0\r\n" /* path */ + "%s" /* proxyuserpwd */ + "%s" /* userpwd */ + "%s" /* range */ + "%s" /* user agent */ + "%s" /* cookie */ + "%s" /* host */ + "%s" /* pragma */ + "%s" /* accept */ + "%s", /* referer */ + + data->customrequest?data->customrequest: + (data->bits.no_body?"HEAD": + (data->bits.http_post || data->bits.http_formpost)?"POST": + (data->bits.http_put)?"PUT":"GET"), + ppath, + (data->bits.proxy_user_passwd && data->ptr_proxyuserpwd)?data->ptr_proxyuserpwd:"", + (data->bits.user_passwd && data->ptr_userpwd)?data->ptr_userpwd:"", + (data->bits.set_range && data->ptr_rangeline)?data->ptr_rangeline:"", + (data->useragent && *data->useragent && data->ptr_uagent)?data->ptr_uagent:"", + (data->ptr_cookie?data->ptr_cookie:""), /* Cookie: <data> */ + (data->ptr_host?data->ptr_host:""), /* Host: host */ + http->p_pragma?http->p_pragma:"", + http->p_accept?http->p_accept:"", + (data->bits.http_set_referer && data->ptr_ref)?data->ptr_ref:"" /* Referer: <data> <CRLF> */ + ); if(co) { int count=0; @@ -376,19 +382,16 @@ CURLcode http(struct connectdata *conn) while(co) { if(co->value && strlen(co->value)) { if(0 == count) { - sendf(data->firstsocket, data, - "Cookie:"); + add_bufferf(req_buffer, "Cookie:"); } - sendf(data->firstsocket, data, - "%s%s=%s", count?"; ":"", co->name, - co->value); + add_bufferf(req_buffer, + "%s%s=%s", count?"; ":"", co->name, co->value); count++; } co = co->next; /* next cookie please */ } if(count) { - sendf(data->firstsocket, data, - "\r\n"); + add_buffer(req_buffer, "\r\n", 2); } cookie_freelist(co); /* free the cookie list */ co=NULL; @@ -419,16 +422,16 @@ CURLcode http(struct connectdata *conn) switch(data->timecondition) { case TIMECOND_IFMODSINCE: default: - sendf(data->firstsocket, data, - "If-Modified-Since: %s\r\n", buf); + add_bufferf(req_buffer, + "If-Modified-Since: %s\r\n", buf); break; case TIMECOND_IFUNMODSINCE: - sendf(data->firstsocket, data, - "If-Unmodified-Since: %s\r\n", buf); + add_bufferf(req_buffer, + "If-Unmodified-Since: %s\r\n", buf); break; case TIMECOND_LASTMOD: - sendf(data->firstsocket, data, - "Last-Modified: %s\r\n", buf); + add_bufferf(req_buffer, + "Last-Modified: %s\r\n", buf); break; } } @@ -445,9 +448,7 @@ CURLcode http(struct connectdata *conn) if(*ptr) { /* only send this if the contents was non-blank */ - sendf(data->firstsocket, data, - "%s\015\012", - headers->data); + add_bufferf(req_buffer, "%s\r\n", headers->data); } } headers = headers->next; @@ -468,12 +469,13 @@ CURLcode http(struct connectdata *conn) generated form data */ data->in = (FILE *)&http->form; - sendf(data->firstsocket, data, - "Content-Length: %d\r\n", - http->postsize-2); + add_bufferf(req_buffer, + "Content-Length: %d\r\n", http->postsize-2); + /* set upload size to the progress meter */ pgrsSetUploadSize(data, http->postsize); + add_buffer_send(data->firstsocket, conn, req_buffer); result = Transfer(conn, data->firstsocket, -1, TRUE, &http->readbytecount, data->firstsocket, @@ -487,16 +489,20 @@ CURLcode http(struct connectdata *conn) /* Let's PUT the data to the server! */ if(data->infilesize>0) { - sendf(data->firstsocket, data, - "Content-Length: %d\r\n\r\n", /* file size */ - data->infilesize ); + add_bufferf(req_buffer, + "Content-Length: %d\r\n\r\n", /* file size */ + data->infilesize ); } else - sendf(data->firstsocket, data, - "\015\012"); + add_bufferf(req_buffer, "\015\012"); + /* set the upload size to the progress meter */ pgrsSetUploadSize(data, data->infilesize); + /* this sends the buffer and frees all the buffer resources */ + add_buffer_send(data->firstsocket, conn, req_buffer); + + /* prepare for transfer */ result = Transfer(conn, data->firstsocket, -1, TRUE, &http->readbytecount, data->firstsocket, @@ -512,30 +518,34 @@ CURLcode http(struct connectdata *conn) if(!checkheaders(data, "Content-Length:")) /* we allow replacing this header, although it isn't very wise to actually set your own */ - sendf(data->firstsocket, data, - "Content-Length: %d\r\n", - (data->postfieldsize?data->postfieldsize: - strlen(data->postfields)) ); + add_bufferf(req_buffer, + "Content-Length: %d\r\n", + (data->postfieldsize?data->postfieldsize: + strlen(data->postfields)) ); if(!checkheaders(data, "Content-Type:")) - sendf(data->firstsocket, data, - "Content-Type: application/x-www-form-urlencoded\r\n"); + add_bufferf(req_buffer, + "Content-Type: application/x-www-form-urlencoded\r\n"); /* and here comes the actual data */ if(data->postfieldsize) { - ssend(data->firstsocket, conn, "\r\n", 2); - ssend(data->firstsocket, conn, data->postfields, data->postfieldsize); - ssend(data->firstsocket, conn, "\r\n", 2); + add_buffer(req_buffer, "\r\n", 2); + add_buffer(req_buffer, data->postfields, + data->postfieldsize); + add_buffer(req_buffer, "\r\n", 2); + } + else { + add_bufferf(req_buffer, + "\r\n" + "%s\r\n", + data->postfields ); } - sendf(data->firstsocket, data, - "\r\n" - "%s\r\n", - data->postfields ); } else - sendf(data->firstsocket, data, "\r\n"); + add_buffer(req_buffer, "\r\n", 2); /* HTTP GET/HEAD download: */ + add_buffer_send(data->firstsocket, conn, req_buffer); result = Transfer(conn, data->firstsocket, -1, TRUE, bytecount, -1, NULL); /* nothing to upload */ } diff --git a/lib/sendf.c b/lib/sendf.c index 77f403d70..8042ac8b9 100644 --- a/lib/sendf.c +++ b/lib/sendf.c @@ -53,6 +53,7 @@ #include <curl/curl.h> #include "urldata.h" +#include "sendf.h" #include <curl/mprintf.h> @@ -89,7 +90,7 @@ void failf(struct UrlData *data, char *fmt, ...) } /* sendf() sends the formated data to the server */ -int sendf(int fd, struct UrlData *data, char *fmt, ...) +size_t sendf(int fd, struct UrlData *data, char *fmt, ...) { size_t bytes_written; char *s; @@ -118,7 +119,7 @@ int sendf(int fd, struct UrlData *data, char *fmt, ...) /* * ftpsendf() sends the formated string as a ftp command to a ftp server */ -int ftpsendf(int fd, struct connectdata *conn, char *fmt, ...) +size_t ftpsendf(int fd, struct connectdata *conn, char *fmt, ...) { size_t bytes_written; char *s; @@ -154,9 +155,6 @@ size_t ssend(int fd, struct connectdata *conn, void *mem, size_t len) size_t bytes_written; struct UrlData *data=conn->data; /* conn knows data, not vice versa */ - if(data->bits.verbose) - fprintf(data->err, "> [binary output]\n"); - #ifdef USE_SSLEAY if (data->use_ssl) { bytes_written = SSL_write(data->ssl, mem, len); @@ -177,6 +175,88 @@ size_t ssend(int fd, struct connectdata *conn, void *mem, size_t len) return bytes_written; } +/* + * add_buffer_init() returns a fine buffer struct + */ +send_buffer *add_buffer_init(void) +{ + send_buffer *blonk; + blonk=(send_buffer *)malloc(sizeof(send_buffer)); + if(blonk) { + memset(blonk, 0, sizeof(send_buffer)); + return blonk; + } + return NULL; /* failed, go home */ +} + +/* + * add_buffer_send() sends a buffer and frees all associated memory. + */ +size_t add_buffer_send(int sockfd, struct connectdata *conn, send_buffer *in) +{ + if(in->buffer) + free(in->buffer); + free(in); + + if(conn->data->bits.verbose) { + fputs("> ", conn->data->err); + /* this data _may_ contain binary stuff */ + fwrite(in->buffer, in->size_used, 1, conn->data->err); + } + return ssend(sockfd, conn, in->buffer, in->size_used); +} +/* + * add_bufferf() builds a buffer from the formatted input + */ +CURLcode add_bufferf(send_buffer *in, char *fmt, ...) +{ + CURLcode result = CURLE_OUT_OF_MEMORY; + char *s; + va_list ap; + va_start(ap, fmt); + s = mvaprintf(fmt, ap); /* this allocs a new string to append */ + va_end(ap); + + if(s) { + result = add_buffer(in, s, strlen(s)); + free(s); + } + return result; +} + +/* + * add_buffer() appends a memory chunk to the existing one + */ +CURLcode add_buffer(send_buffer *in, void *inptr, size_t size) +{ + char *new_rb; + int new_size; + + if(size > 0) { + if(!in->buffer || + ((in->size_used + size) > (in->size_max - 1))) { + new_size = (in->size_used+size)*2; + if(in->buffer) + /* we have a buffer, enlarge the existing one */ + new_rb = (char *)realloc(in->buffer, new_size); + else + /* create a new buffer */ + new_rb = (char *)malloc(new_size); + + if(!new_rb) + return CURLE_OUT_OF_MEMORY; + + in->buffer = new_rb; + in->size_max = new_size; + } + memcpy(&in->buffer[in->size_used], inptr, size); + + in->size_used += size; + } + + return CURLE_OK; +} + diff --git a/lib/sendf.h b/lib/sendf.h index 91af88f99..0ff305ec2 100644 --- a/lib/sendf.h +++ b/lib/sendf.h @@ -46,4 +46,18 @@ size_t ssend(int fd, struct connectdata *, void *fmt, size_t len); void infof(struct UrlData *, char *fmt, ...); void failf(struct UrlData *, char *fmt, ...); +struct send_buffer { + char *buffer; + long size_max; + long size_used; +}; +typedef struct send_buffer send_buffer; + + +send_buffer *add_buffer_init(void); +CURLcode add_buffer(send_buffer *in, void *inptr, size_t size); +CURLcode add_bufferf(send_buffer *in, char *fmt, ...); +size_t add_buffer_send(int sockfd, struct connectdata *conn, send_buffer *in); + + #endif |