X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Fhttp.c;h=642c3ada69ca69187269b920a142146611028785;hp=e4eecb9e2d81cda8c7b6a3588906791a72b66c46;hb=4aec24bebc09735c5157ce9c9904e7b0ad310fdd;hpb=afb059d3e508ad4fd38f4a9fd643a4bedf3e0b3f diff --git a/src/http.c b/src/http.c index e4eecb9..642c3ad 100644 --- a/src/http.c +++ b/src/http.c @@ -10,7 +10,7 @@ #include #endif -#include +#include "odr-priv.h" #include #include #include @@ -22,53 +22,50 @@ static int decode_headers_content(ODR o, int off, Z_HTTP_Header **headers, { int i = off; int chunked = 0; + const char *buf = o->op->buf; + int size = o->op->size; *headers = 0; - while (i < o->size-1 && o->buf[i] == '\n') + while (i < size-1 && buf[i] == '\n') { int po; i++; - if (o->buf[i] == '\r' && i < o->size-1 && o->buf[i+1] == '\n') + if (buf[i] == '\r' && i < size-1 && buf[i+1] == '\n') { i++; break; } - if (o->buf[i] == '\n') + if (buf[i] == '\n') break; for (po = i; ; i++) { - if (i == o->size) + if (i == size) { o->error = OHTTP; return 0; } - else if (o->buf[i] == ':') + else if (buf[i] == ':') break; } *headers = (Z_HTTP_Header *) odr_malloc(o, sizeof(**headers)); - (*headers)->name = (char*) odr_malloc(o, i - po + 1); - memcpy ((*headers)->name, o->buf + po, i - po); - (*headers)->name[i - po] = '\0'; + (*headers)->name = odr_strdupn(o, buf + po, i - po); i++; - while (i < o->size-1 && o->buf[i] == ' ') + while (i < size-1 && buf[i] == ' ') i++; - for (po = i; i < o->size-1 && !strchr("\r\n", o->buf[i]); i++) + for (po = i; i < size-1 && !strchr("\r\n", buf[i]); i++) ; - (*headers)->value = (char*) odr_malloc(o, i - po + 1); - memcpy ((*headers)->value, o->buf + po, i - po); - (*headers)->value[i - po] = '\0'; - + (*headers)->value = odr_strdupn(o, buf + po, i - po); if (!yaz_strcasecmp((*headers)->name, "Transfer-Encoding") && !yaz_strcasecmp((*headers)->value, "chunked")) chunked = 1; headers = &(*headers)->next; - if (i < o->size-1 && o->buf[i] == '\r') + if (i < size-1 && buf[i] == '\r') i++; } *headers = 0; - if (o->buf[i] != '\n') + if (buf[i] != '\n') { o->error = OHTTP; return 0; @@ -80,28 +77,28 @@ static int decode_headers_content(ODR o, int off, Z_HTTP_Header **headers, int off = 0; /* we know buffer will be smaller than o->size - i*/ - *content_buf = (char*) odr_malloc(o, o->size - i); + *content_buf = (char*) odr_malloc(o, size - i); while (1) { /* chunk length .. */ int chunk_len = 0; - for (; i < o->size-2; i++) - if (yaz_isdigit(o->buf[i])) + for (; i < size-2; i++) + if (yaz_isdigit(buf[i])) chunk_len = chunk_len * 16 + - (o->buf[i] - '0'); - else if (yaz_isupper(o->buf[i])) + (buf[i] - '0'); + else if (yaz_isupper(buf[i])) chunk_len = chunk_len * 16 + - (o->buf[i] - ('A'-10)); - else if (yaz_islower(o->buf[i])) + (buf[i] - ('A'-10)); + else if (yaz_islower(buf[i])) chunk_len = chunk_len * 16 + - (o->buf[i] - ('a'-10)); + (buf[i] - ('a'-10)); else break; /* chunk extension ... */ - while (o->buf[i] != '\r' && o->buf[i+1] != '\n') + while (buf[i] != '\r' && buf[i+1] != '\n') { - if (i >= o->size-2) + if (i >= size-2) { o->error = OHTTP; return 0; @@ -111,13 +108,13 @@ static int decode_headers_content(ODR o, int off, Z_HTTP_Header **headers, i += 2; /* skip CRLF */ if (chunk_len == 0) break; - if (chunk_len < 0 || off + chunk_len > o->size) + if (chunk_len < 0 || off + chunk_len > size) { o->error = OHTTP; return 0; } /* copy chunk .. */ - memcpy (*content_buf + off, o->buf + i, chunk_len); + memcpy (*content_buf + off, buf + i, chunk_len); i += chunk_len + 2; /* skip chunk+CRLF */ off += chunk_len; } @@ -127,22 +124,20 @@ static int decode_headers_content(ODR o, int off, Z_HTTP_Header **headers, } else { - if (i > o->size) + if (i > size) { o->error = OHTTP; return 0; } - else if (i == o->size) + else if (i == size) { *content_buf = 0; *content_len = 0; } else { - *content_len = o->size - i; - *content_buf = (char*) odr_malloc(o, *content_len + 1); - memcpy(*content_buf, o->buf + i, *content_len); - (*content_buf)[*content_len] = '\0'; + *content_len = size - i; + *content_buf = odr_strdupn(o, buf + i, *content_len); } } return 1; @@ -219,6 +214,21 @@ void z_HTTP_header_set(ODR o, Z_HTTP_Header **hp, const char *n, (*hp)->next = 0; } +const char *z_HTTP_header_remove(Z_HTTP_Header **hp, const char *n) +{ + while (*hp) + { + if (!yaz_strcasecmp((*hp)->name, n)) + { + const char *v = (*hp)->value; + *hp = (*hp)->next; + return v; + } + hp = &(*hp)->next; + } + return 0; +} + const char *z_HTTP_header_lookup(const Z_HTTP_Header *hp, const char *n) { for (; hp; hp = hp->next) @@ -270,11 +280,8 @@ Z_GDU *z_get_HTTP_Request_host_path(ODR odr, if (cp0 && cp1) { - char *h = (char*) odr_malloc(odr, cp1 - cp0 + 1); - memcpy (h, cp0, cp1 - cp0); - h[cp1-cp0] = '\0'; - z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, - "Host", h); + char *h = odr_strdupn(odr, cp0, cp1 - cp0); + z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, "Host", h); } } return p; @@ -297,11 +304,8 @@ Z_GDU *z_get_HTTP_Request_uri(ODR odr, const char *uri, const char *args, if (cp0 && cp1) { - char *h = (char*) odr_malloc(odr, cp1 - cp0 + 1); - memcpy (h, cp0, cp1 - cp0); - h[cp1-cp0] = '\0'; - z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, - "Host", h); + char *h = odr_strdupn(odr, cp0, cp1 - cp0); + z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, "Host", h); } if (!args) @@ -323,7 +327,8 @@ Z_GDU *z_get_HTTP_Request_uri(ODR odr, const char *uri, const char *args, return p; } -Z_GDU *z_get_HTTP_Response(ODR o, int code) +Z_GDU *z_get_HTTP_Response_server(ODR o, int code, const char *details, + const char *server, const char *server_url) { Z_GDU *p = (Z_GDU *) odr_malloc(o, sizeof(*p)); Z_HTTP_Response *hres; @@ -336,32 +341,50 @@ Z_GDU *z_get_HTTP_Response(ODR o, int code) hres->content_buf = 0; hres->code = code; hres->version = "1.1"; - z_HTTP_header_add(o, &hres->headers, "Server", - "YAZ/" YAZ_VERSION); + z_HTTP_header_add(o, &hres->headers, "Server", server); if (code != 200) { - hres->content_buf = (char*) odr_malloc(o, 400); + const char *http_err = z_HTTP_errmsg(code); + size_t sz = 400 + strlen(http_err) + (details ? + strlen(details) : 0); + hres->content_buf = (char*) odr_malloc(o, sz); sprintf(hres->content_buf, "\n" "\n" " \n" - " YAZ " YAZ_VERSION "\n" + " %s\n" " \n" " \n" - "

YAZ " - YAZ_VERSION "

\n" + "

%s

\n" "

Error: %d

\n" - "

Description: %.50s

\n" + "

Description: %s

\n", server, server_url, server, + code, http_err); + if (details) + { + sprintf(hres->content_buf + strlen(hres->content_buf), + "

Details: %s

\n", details); + } + sprintf(hres->content_buf + strlen(hres->content_buf), " \n" - "\n", - code, z_HTTP_errmsg(code)); + "\n"); hres->content_len = strlen(hres->content_buf); z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/html"); } return p; } +Z_GDU *z_get_HTTP_Response_details(ODR o, int code, const char *details) +{ + return z_get_HTTP_Response_server(o, code, details, "YAZ/" YAZ_VERSION, + "http://www.indexdata.com/yaz"); +} + +Z_GDU *z_get_HTTP_Response(ODR o, int code) +{ + return z_get_HTTP_Response_details(o, code, 0); +} + const char *z_HTTP_errmsg(int code) { switch (code) @@ -449,31 +472,30 @@ int yaz_decode_http_response(ODR o, Z_HTTP_Response **hr_p) { int i, po; Z_HTTP_Response *hr = (Z_HTTP_Response *) odr_malloc(o, sizeof(*hr)); + const char *buf = o->op->buf; + int size = o->op->size; *hr_p = hr; hr->content_buf = 0; hr->content_len = 0; po = i = 5; - while (i < o->size-2 && !strchr(" \r\n", o->buf[i])) + while (i < size-2 && !strchr(" \r\n", buf[i])) i++; - hr->version = (char *) odr_malloc(o, i - po + 1); - if (i - po) - memcpy(hr->version, o->buf + po, i - po); - hr->version[i-po] = 0; - if (o->buf[i] != ' ') + hr->version = odr_strdupn(o, buf + po, i - po); + if (buf[i] != ' ') { o->error = OHTTP; return 0; } i++; hr->code = 0; - while (i < o->size-2 && o->buf[i] >= '0' && o->buf[i] <= '9') + while (i < size-2 && buf[i] >= '0' && buf[i] <= '9') { - hr->code = hr->code*10 + (o->buf[i] - '0'); + hr->code = hr->code*10 + (buf[i] - '0'); i++; } - while (i < o->size-1 && o->buf[i] != '\n') + while (i < size-1 && buf[i] != '\n') i++; return decode_headers_content(o, i, &hr->headers, &hr->content_buf, &hr->content_len); @@ -483,52 +505,42 @@ int yaz_decode_http_request(ODR o, Z_HTTP_Request **hr_p) { int i, po; Z_HTTP_Request *hr = (Z_HTTP_Request *) odr_malloc(o, sizeof(*hr)); + const char *buf = o->op->buf; + int size = o->op->size; + int lspace = 0; *hr_p = hr; - /* method .. */ - for (i = 0; o->buf[i] != ' '; i++) - if (i >= o->size-5 || i > 30) + for (i = 0; buf[i] != ' '; i++) + if (i >= size-5 || i > 30) { o->error = OHTTP; return 0; } - hr->method = (char *) odr_malloc(o, i+1); - memcpy (hr->method, o->buf, i); - hr->method[i] = '\0'; - /* path */ - po = i+1; - for (i = po; o->buf[i] != ' '; i++) - if (i >= o->size-5) - { - o->error = OHTTP; - return 0; - } - hr->path = (char *) odr_malloc(o, i - po + 1); - memcpy (hr->path, o->buf+po, i - po); - hr->path[i - po] = '\0'; - /* HTTP version */ - i++; - if (i > o->size-5 || memcmp(o->buf+i, "HTTP/", 5)) + hr->method = odr_strdupn(o, buf, i); + po = ++i; + while (i < size && !strchr("\r\n", buf[i])) + { + if (buf[i] == ' ') + lspace = i; + i++; + } + if (!lspace || i >= size || lspace >= size - 5 || + memcmp(buf + lspace + 1, "HTTP/", 5)) { o->error = OHTTP; return 0; } - i+= 5; - po = i; - while (i < o->size && !strchr("\r\n", o->buf[i])) - i++; - hr->version = (char *) odr_malloc(o, i - po + 1); - memcpy(hr->version, o->buf + po, i - po); - hr->version[i - po] = '\0'; - /* headers */ - if (i < o->size-1 && o->buf[i] == '\r') + hr->path = odr_strdupn(o, buf + po, lspace - po); + hr->version = odr_strdupn(o, buf + lspace + 6, i - (lspace + 6)); + if (i < size-1 && buf[i] == '\r') i++; - if (o->buf[i] != '\n') + if (buf[i] != '\n') { o->error = OHTTP; return 0; } + /* headers */ return decode_headers_content(o, i, &hr->headers, &hr->content_buf, &hr->content_len); } @@ -562,33 +574,33 @@ int yaz_encode_http_response(ODR o, Z_HTTP_Response *hr) { char sbuf[80]; Z_HTTP_Header *h; - int top0 = o->top; + int top0 = o->op->top; sprintf(sbuf, "HTTP/%s %d %s\r\n", hr->version, hr->code, z_HTTP_errmsg(hr->code)); - odr_write2(o, sbuf, strlen(sbuf)); + odr_write(o, sbuf, strlen(sbuf)); /* use content_len for Content-Length */ sprintf(sbuf, "Content-Length: %d\r\n", hr->content_len); - odr_write2(o, sbuf, strlen(sbuf)); + odr_write(o, sbuf, strlen(sbuf)); for (h = hr->headers; h; h = h->next) { if (yaz_strcasecmp(h->name, "Content-Length") && yaz_strcasecmp(h->name, "Transfer-Encoding")) { /* skip Content-Length if given. content_len rules */ - odr_write2(o, h->name, strlen(h->name)); - odr_write2(o, ": ", 2); - odr_write2(o, h->value, strlen(h->value)); - odr_write2(o, "\r\n", 2); + odr_write(o, h->name, strlen(h->name)); + odr_write(o, ": ", 2); + odr_write(o, h->value, strlen(h->value)); + odr_write(o, "\r\n", 2); } } - odr_write(o, (unsigned char *) "\r\n", 2); + odr_write(o, "\r\n", 2); if (hr->content_buf) - odr_write2(o, hr->content_buf, hr->content_len); + odr_write(o, hr->content_buf, hr->content_len); if (o->direction == ODR_PRINT) { odr_printf(o, "-- HTTP response:\n"); - dump_http_package(o, (const char *) o->buf + top0, o->top - top0); + dump_http_package(o, o->op->buf + top0, o->op->top - top0); odr_printf(o, "--\n"); } return 1; @@ -597,14 +609,14 @@ int yaz_encode_http_response(ODR o, Z_HTTP_Response *hr) int yaz_encode_http_request(ODR o, Z_HTTP_Request *hr) { Z_HTTP_Header *h; - int top0 = o->top; - - odr_write2(o, hr->method, strlen(hr->method)); - odr_write2(o, " ", 1); - odr_write2(o, hr->path, strlen(hr->path)); - odr_write2(o, " HTTP/", 6); - odr_write2(o, hr->version, strlen(hr->version)); - odr_write2(o, "\r\n", 2); + int top0 = o->op->top; + + odr_write(o, hr->method, strlen(hr->method)); + odr_write(o, " ", 1); + odr_write(o, hr->path, strlen(hr->path)); + odr_write(o, " HTTP/", 6); + odr_write(o, hr->version, strlen(hr->version)); + odr_write(o, "\r\n", 2); if (hr->content_len && !z_HTTP_header_lookup(hr->headers, "Content-Length")) @@ -612,22 +624,22 @@ int yaz_encode_http_request(ODR o, Z_HTTP_Request *hr) char lstr[60]; sprintf(lstr, "Content-Length: %d\r\n", hr->content_len); - odr_write2(o, lstr, strlen(lstr)); + odr_write(o, lstr, strlen(lstr)); } for (h = hr->headers; h; h = h->next) { - odr_write2(o, h->name, strlen(h->name)); - odr_write2(o, ": ", 2); - odr_write2(o, h->value, strlen(h->value)); - odr_write2(o, "\r\n", 2); + odr_write(o, h->name, strlen(h->name)); + odr_write(o, ": ", 2); + odr_write(o, h->value, strlen(h->value)); + odr_write(o, "\r\n", 2); } - odr_write2(o, "\r\n", 2); + odr_write(o, "\r\n", 2); if (hr->content_buf) - odr_write2(o, hr->content_buf, hr->content_len); + odr_write(o, hr->content_buf, hr->content_len); if (o->direction == ODR_PRINT) { odr_printf(o, "-- HTTP request:\n"); - dump_http_package(o, (const char *) o->buf + top0, o->top - top0); + dump_http_package(o, o->op->buf + top0, o->op->top - top0); odr_printf(o, "--\n"); } return 1;