| |
| /* |
| * Copyright (C) Igor Sysoev |
| * Copyright (C) Nginx, Inc. |
| */ |
| |
| |
| #define PERL_NO_GET_CONTEXT |
| |
| #include <ngx_config.h> |
| #include <ngx_core.h> |
| #include <ngx_http.h> |
| #include <ngx_http_perl_module.h> |
| |
| #include "XSUB.h" |
| |
| |
| #define ngx_http_perl_set_request(r, ctx) \ |
| \ |
| ctx = INT2PTR(ngx_http_perl_ctx_t *, SvIV((SV *) SvRV(ST(0)))); \ |
| r = ctx->request |
| |
| |
| #define ngx_http_perl_set_targ(p, len) \ |
| \ |
| SvUPGRADE(TARG, SVt_PV); \ |
| SvPOK_on(TARG); \ |
| sv_setpvn(TARG, (char *) p, len) |
| |
| |
| static ngx_int_t |
| ngx_http_perl_sv2str(pTHX_ ngx_http_request_t *r, ngx_str_t *s, SV *sv) |
| { |
| u_char *p; |
| STRLEN len; |
| |
| if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) { |
| sv = SvRV(sv); |
| } |
| |
| p = (u_char *) SvPV(sv, len); |
| |
| s->len = len; |
| |
| if (SvREADONLY(sv) && SvPOK(sv)) { |
| s->data = p; |
| |
| ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "perl sv2str: %08XD \"%V\"", sv->sv_flags, s); |
| |
| return NGX_OK; |
| } |
| |
| s->data = ngx_pnalloc(r->pool, len); |
| if (s->data == NULL) { |
| return NGX_ERROR; |
| } |
| |
| ngx_memcpy(s->data, p, len); |
| |
| ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "perl sv2str: %08XD \"%V\"", sv->sv_flags, s); |
| |
| return NGX_OK; |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_perl_output(ngx_http_request_t *r, ngx_http_perl_ctx_t *ctx, |
| ngx_buf_t *b) |
| { |
| ngx_chain_t out; |
| #if (NGX_HTTP_SSI) |
| ngx_chain_t *cl; |
| |
| if (ctx->ssi) { |
| cl = ngx_alloc_chain_link(r->pool); |
| if (cl == NULL) { |
| return NGX_ERROR; |
| } |
| |
| cl->buf = b; |
| cl->next = NULL; |
| *ctx->ssi->last_out = cl; |
| ctx->ssi->last_out = &cl->next; |
| |
| return NGX_OK; |
| } |
| #endif |
| |
| out.buf = b; |
| out.next = NULL; |
| |
| return ngx_http_output_filter(r, &out); |
| } |
| |
| |
| MODULE = nginx PACKAGE = nginx |
| |
| |
| PROTOTYPES: DISABLE |
| |
| |
| void |
| status(r, code) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->variable) { |
| croak("status(): cannot be used in variable handler"); |
| } |
| |
| r->headers_out.status = SvIV(ST(1)); |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "perl status: %d", r->headers_out.status); |
| |
| XSRETURN_UNDEF; |
| |
| |
| void |
| send_http_header(r, ...) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| SV *sv; |
| ngx_int_t rc; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->error) { |
| croak("send_http_header(): called after error"); |
| } |
| |
| if (ctx->variable) { |
| croak("send_http_header(): cannot be used in variable handler"); |
| } |
| |
| if (ctx->header_sent) { |
| croak("send_http_header(): header already sent"); |
| } |
| |
| if (ctx->redirect_uri.len) { |
| croak("send_http_header(): cannot be used with internal_redirect()"); |
| } |
| |
| if (r->headers_out.status == 0) { |
| r->headers_out.status = NGX_HTTP_OK; |
| } |
| |
| if (items != 1) { |
| sv = ST(1); |
| |
| if (ngx_http_perl_sv2str(aTHX_ r, &r->headers_out.content_type, sv) |
| != NGX_OK) |
| { |
| ctx->error = 1; |
| croak("ngx_http_perl_sv2str() failed"); |
| } |
| |
| r->headers_out.content_type_len = r->headers_out.content_type.len; |
| |
| } else { |
| if (ngx_http_set_content_type(r) != NGX_OK) { |
| ctx->error = 1; |
| croak("ngx_http_set_content_type() failed"); |
| } |
| } |
| |
| ctx->header_sent = 1; |
| |
| r->disable_not_modified = 1; |
| |
| rc = ngx_http_send_header(r); |
| |
| if (rc == NGX_ERROR || rc > NGX_OK) { |
| ctx->error = 1; |
| ctx->status = rc; |
| croak("ngx_http_send_header() failed"); |
| } |
| |
| |
| void |
| header_only(r) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| sv_upgrade(TARG, SVt_IV); |
| sv_setiv(TARG, r->header_only); |
| |
| ST(0) = TARG; |
| |
| |
| void |
| uri(r) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| |
| ngx_http_perl_set_request(r, ctx); |
| ngx_http_perl_set_targ(r->uri.data, r->uri.len); |
| |
| ST(0) = TARG; |
| |
| |
| void |
| args(r) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| |
| ngx_http_perl_set_request(r, ctx); |
| ngx_http_perl_set_targ(r->args.data, r->args.len); |
| |
| ST(0) = TARG; |
| |
| |
| void |
| request_method(r) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| |
| ngx_http_perl_set_request(r, ctx); |
| ngx_http_perl_set_targ(r->method_name.data, r->method_name.len); |
| |
| ST(0) = TARG; |
| |
| |
| void |
| remote_addr(r) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| |
| ngx_http_perl_set_request(r, ctx); |
| ngx_http_perl_set_targ(r->connection->addr_text.data, |
| r->connection->addr_text.len); |
| |
| ST(0) = TARG; |
| |
| |
| void |
| header_in(r, key) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| SV *key; |
| u_char *p, *lowcase_key, *value, sep; |
| STRLEN len; |
| ssize_t size; |
| ngx_uint_t i, n, hash; |
| ngx_array_t *a; |
| ngx_list_part_t *part; |
| ngx_table_elt_t *h, **ph; |
| ngx_http_header_t *hh; |
| ngx_http_core_main_conf_t *cmcf; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| key = ST(1); |
| |
| if (SvROK(key) && SvTYPE(SvRV(key)) == SVt_PV) { |
| key = SvRV(key); |
| } |
| |
| p = (u_char *) SvPV(key, len); |
| |
| /* look up hashed headers */ |
| |
| lowcase_key = ngx_pnalloc(r->pool, len); |
| if (lowcase_key == NULL) { |
| ctx->error = 1; |
| croak("ngx_pnalloc() failed"); |
| } |
| |
| hash = ngx_hash_strlow(lowcase_key, p, len); |
| |
| cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
| |
| hh = ngx_hash_find(&cmcf->headers_in_hash, hash, lowcase_key, len); |
| |
| if (hh) { |
| |
| if (hh->offset == offsetof(ngx_http_headers_in_t, cookies)) { |
| sep = ';'; |
| goto multi; |
| } |
| #if (NGX_HTTP_X_FORWARDED_FOR || NGX_COMPAT) |
| if (hh->offset == offsetof(ngx_http_headers_in_t, x_forwarded_for)) { |
| sep = ','; |
| goto multi; |
| } |
| #endif |
| |
| ph = (ngx_table_elt_t **) ((char *) &r->headers_in + hh->offset); |
| |
| if (*ph) { |
| ngx_http_perl_set_targ((*ph)->value.data, (*ph)->value.len); |
| |
| goto done; |
| } |
| |
| XSRETURN_UNDEF; |
| |
| multi: |
| |
| /* Cookie, X-Forwarded-For */ |
| |
| a = (ngx_array_t *) ((char *) &r->headers_in + hh->offset); |
| |
| n = a->nelts; |
| |
| if (n == 0) { |
| XSRETURN_UNDEF; |
| } |
| |
| ph = a->elts; |
| |
| if (n == 1) { |
| ngx_http_perl_set_targ((*ph)->value.data, (*ph)->value.len); |
| |
| goto done; |
| } |
| |
| size = - (ssize_t) (sizeof("; ") - 1); |
| |
| for (i = 0; i < n; i++) { |
| size += ph[i]->value.len + sizeof("; ") - 1; |
| } |
| |
| value = ngx_pnalloc(r->pool, size); |
| if (value == NULL) { |
| ctx->error = 1; |
| croak("ngx_pnalloc() failed"); |
| } |
| |
| p = value; |
| |
| for (i = 0; /* void */ ; i++) { |
| p = ngx_copy(p, ph[i]->value.data, ph[i]->value.len); |
| |
| if (i == n - 1) { |
| break; |
| } |
| |
| *p++ = sep; *p++ = ' '; |
| } |
| |
| ngx_http_perl_set_targ(value, size); |
| |
| goto done; |
| } |
| |
| /* iterate over all headers */ |
| |
| part = &r->headers_in.headers.part; |
| h = part->elts; |
| |
| for (i = 0; /* void */ ; i++) { |
| |
| if (i >= part->nelts) { |
| if (part->next == NULL) { |
| break; |
| } |
| |
| part = part->next; |
| h = part->elts; |
| i = 0; |
| } |
| |
| if (len != h[i].key.len |
| || ngx_strcasecmp(p, h[i].key.data) != 0) |
| { |
| continue; |
| } |
| |
| ngx_http_perl_set_targ(h[i].value.data, h[i].value.len); |
| |
| goto done; |
| } |
| |
| XSRETURN_UNDEF; |
| |
| done: |
| |
| ST(0) = TARG; |
| |
| |
| void |
| has_request_body(r, next) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| ngx_int_t rc; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->variable) { |
| croak("has_request_body(): cannot be used in variable handler"); |
| } |
| |
| if (ctx->next) { |
| croak("has_request_body(): another handler active"); |
| } |
| |
| if (r->headers_in.content_length_n <= 0 && !r->headers_in.chunked) { |
| XSRETURN_UNDEF; |
| } |
| |
| ctx->next = SvRV(ST(1)); |
| |
| r->request_body_in_single_buf = 1; |
| r->request_body_in_persistent_file = 1; |
| r->request_body_in_clean_file = 1; |
| |
| if (r->request_body_in_file_only) { |
| r->request_body_file_log_level = 0; |
| } |
| |
| rc = ngx_http_read_client_request_body(r, ngx_http_perl_handle_request); |
| |
| if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { |
| ctx->error = 1; |
| ctx->status = rc; |
| ctx->next = NULL; |
| croak("ngx_http_read_client_request_body() failed"); |
| } |
| |
| sv_upgrade(TARG, SVt_IV); |
| sv_setiv(TARG, 1); |
| |
| ST(0) = TARG; |
| |
| |
| void |
| request_body(r) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| u_char *p, *data; |
| size_t len; |
| ngx_buf_t *buf; |
| ngx_chain_t *cl; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (r->request_body == NULL |
| || r->request_body->temp_file |
| || r->request_body->bufs == NULL) |
| { |
| XSRETURN_UNDEF; |
| } |
| |
| cl = r->request_body->bufs; |
| buf = cl->buf; |
| |
| if (cl->next == NULL) { |
| len = buf->last - buf->pos; |
| data = buf->pos; |
| goto done; |
| } |
| |
| len = buf->last - buf->pos; |
| cl = cl->next; |
| |
| for ( /* void */ ; cl; cl = cl->next) { |
| buf = cl->buf; |
| len += buf->last - buf->pos; |
| } |
| |
| p = ngx_pnalloc(r->pool, len); |
| if (p == NULL) { |
| ctx->error = 1; |
| croak("ngx_pnalloc() failed"); |
| } |
| |
| data = p; |
| cl = r->request_body->bufs; |
| |
| for ( /* void */ ; cl; cl = cl->next) { |
| buf = cl->buf; |
| p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); |
| } |
| |
| done: |
| |
| if (len == 0) { |
| XSRETURN_UNDEF; |
| } |
| |
| ngx_http_perl_set_targ(data, len); |
| |
| ST(0) = TARG; |
| |
| |
| void |
| request_body_file(r) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (r->request_body == NULL || r->request_body->temp_file == NULL) { |
| XSRETURN_UNDEF; |
| } |
| |
| ngx_http_perl_set_targ(r->request_body->temp_file->file.name.data, |
| r->request_body->temp_file->file.name.len); |
| |
| ST(0) = TARG; |
| |
| |
| void |
| discard_request_body(r) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| ngx_int_t rc; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->variable) { |
| croak("discard_request_body(): cannot be used in variable handler"); |
| } |
| |
| rc = ngx_http_discard_request_body(r); |
| |
| if (rc != NGX_OK) { |
| ctx->error = 1; |
| ctx->status = rc; |
| croak("ngx_http_discard_request_body() failed"); |
| } |
| |
| |
| void |
| header_out(r, key, value) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| SV *key; |
| SV *value; |
| ngx_table_elt_t *header; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->error) { |
| croak("header_out(): called after error"); |
| } |
| |
| if (ctx->variable) { |
| croak("header_out(): cannot be used in variable handler"); |
| } |
| |
| key = ST(1); |
| value = ST(2); |
| |
| header = ngx_list_push(&r->headers_out.headers); |
| if (header == NULL) { |
| ctx->error = 1; |
| croak("ngx_list_push() failed"); |
| } |
| |
| header->hash = 1; |
| |
| if (ngx_http_perl_sv2str(aTHX_ r, &header->key, key) != NGX_OK) { |
| header->hash = 0; |
| ctx->error = 1; |
| croak("ngx_http_perl_sv2str() failed"); |
| } |
| |
| if (ngx_http_perl_sv2str(aTHX_ r, &header->value, value) != NGX_OK) { |
| header->hash = 0; |
| ctx->error = 1; |
| croak("ngx_http_perl_sv2str() failed"); |
| } |
| |
| if (header->key.len == sizeof("Content-Length") - 1 |
| && ngx_strncasecmp(header->key.data, (u_char *) "Content-Length", |
| sizeof("Content-Length") - 1) == 0) |
| { |
| r->headers_out.content_length_n = (off_t) SvIV(value); |
| r->headers_out.content_length = header; |
| } |
| |
| if (header->key.len == sizeof("Content-Encoding") - 1 |
| && ngx_strncasecmp(header->key.data, (u_char *) "Content-Encoding", |
| sizeof("Content-Encoding") - 1) == 0) |
| { |
| r->headers_out.content_encoding = header; |
| } |
| |
| |
| void |
| filename(r) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| size_t root; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->filename.data) { |
| goto done; |
| } |
| |
| if (ngx_http_map_uri_to_path(r, &ctx->filename, &root, 0) == NULL) { |
| ctx->error = 1; |
| croak("ngx_http_map_uri_to_path() failed"); |
| } |
| |
| ctx->filename.len--; |
| sv_setpv(PL_statname, (char *) ctx->filename.data); |
| |
| done: |
| |
| ngx_http_perl_set_targ(ctx->filename.data, ctx->filename.len); |
| |
| ST(0) = TARG; |
| |
| |
| void |
| print(r, ...) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| SV *sv; |
| int i; |
| u_char *p; |
| size_t size; |
| STRLEN len; |
| ngx_int_t rc; |
| ngx_buf_t *b; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->error) { |
| croak("print(): called after error"); |
| } |
| |
| if (ctx->variable) { |
| croak("print(): cannot be used in variable handler"); |
| } |
| |
| if (!ctx->header_sent) { |
| croak("print(): header not sent"); |
| } |
| |
| if (items == 2) { |
| |
| /* |
| * do zero copy for prolate single read-only SV: |
| * $r->print("some text\n"); |
| */ |
| |
| sv = ST(1); |
| |
| if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) { |
| sv = SvRV(sv); |
| } |
| |
| if (SvREADONLY(sv) && SvPOK(sv)) { |
| |
| p = (u_char *) SvPV(sv, len); |
| |
| if (len == 0) { |
| XSRETURN_EMPTY; |
| } |
| |
| b = ngx_calloc_buf(r->pool); |
| if (b == NULL) { |
| ctx->error = 1; |
| croak("ngx_calloc_buf() failed"); |
| } |
| |
| b->memory = 1; |
| b->pos = p; |
| b->last = p + len; |
| b->start = p; |
| b->end = b->last; |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "$r->print: read-only SV: %z", len); |
| |
| goto out; |
| } |
| } |
| |
| size = 0; |
| |
| for (i = 1; i < items; i++) { |
| |
| sv = ST(i); |
| |
| if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) { |
| sv = SvRV(sv); |
| } |
| |
| (void) SvPV(sv, len); |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "$r->print: copy SV: %z", len); |
| |
| size += len; |
| } |
| |
| if (size == 0) { |
| XSRETURN_EMPTY; |
| } |
| |
| b = ngx_create_temp_buf(r->pool, size); |
| if (b == NULL) { |
| ctx->error = 1; |
| croak("ngx_create_temp_buf() failed"); |
| } |
| |
| for (i = 1; i < items; i++) { |
| sv = ST(i); |
| |
| if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) { |
| sv = SvRV(sv); |
| } |
| |
| p = (u_char *) SvPV(sv, len); |
| b->last = ngx_cpymem(b->last, p, len); |
| } |
| |
| out: |
| |
| rc = ngx_http_perl_output(r, ctx, b); |
| |
| if (rc == NGX_ERROR) { |
| ctx->error = 1; |
| croak("ngx_http_perl_output() failed"); |
| } |
| |
| |
| void |
| sendfile(r, filename, offset = -1, bytes = 0) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| char *filename; |
| off_t offset; |
| size_t bytes; |
| ngx_int_t rc; |
| ngx_str_t path; |
| ngx_buf_t *b; |
| ngx_open_file_info_t of; |
| ngx_http_core_loc_conf_t *clcf; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->error) { |
| croak("sendfile(): called after error"); |
| } |
| |
| if (ctx->variable) { |
| croak("sendfile(): cannot be used in variable handler"); |
| } |
| |
| if (!ctx->header_sent) { |
| croak("sendfile(): header not sent"); |
| } |
| |
| filename = SvPV_nolen(ST(1)); |
| |
| if (filename == NULL) { |
| croak("sendfile(): NULL filename"); |
| } |
| |
| offset = items < 3 ? -1 : SvIV(ST(2)); |
| bytes = items < 4 ? 0 : SvIV(ST(3)); |
| |
| b = ngx_calloc_buf(r->pool); |
| if (b == NULL) { |
| ctx->error = 1; |
| croak("ngx_calloc_buf() failed"); |
| } |
| |
| b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); |
| if (b->file == NULL) { |
| ctx->error = 1; |
| croak("ngx_pcalloc() failed"); |
| } |
| |
| path.len = ngx_strlen(filename); |
| |
| path.data = ngx_pnalloc(r->pool, path.len + 1); |
| if (path.data == NULL) { |
| ctx->error = 1; |
| croak("ngx_pnalloc() failed"); |
| } |
| |
| (void) ngx_cpystrn(path.data, (u_char *) filename, path.len + 1); |
| |
| clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| |
| ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
| |
| of.read_ahead = clcf->read_ahead; |
| of.directio = clcf->directio; |
| of.valid = clcf->open_file_cache_valid; |
| of.min_uses = clcf->open_file_cache_min_uses; |
| of.errors = clcf->open_file_cache_errors; |
| of.events = clcf->open_file_cache_events; |
| |
| if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
| ctx->error = 1; |
| croak("ngx_http_set_disable_symlinks() failed"); |
| } |
| |
| if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
| != NGX_OK) |
| { |
| if (of.err == 0) { |
| ctx->error = 1; |
| croak("ngx_open_cached_file() failed"); |
| } |
| |
| ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
| "%s \"%s\" failed", of.failed, filename); |
| |
| ctx->error = 1; |
| croak("ngx_open_cached_file() failed"); |
| } |
| |
| if (offset == -1) { |
| offset = 0; |
| } |
| |
| if (bytes == 0) { |
| bytes = of.size - offset; |
| } |
| |
| b->in_file = 1; |
| |
| b->file_pos = offset; |
| b->file_last = offset + bytes; |
| |
| b->file->fd = of.fd; |
| b->file->log = r->connection->log; |
| b->file->directio = of.is_directio; |
| |
| rc = ngx_http_perl_output(r, ctx, b); |
| |
| if (rc == NGX_ERROR) { |
| ctx->error = 1; |
| croak("ngx_http_perl_output() failed"); |
| } |
| |
| |
| void |
| flush(r) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| ngx_int_t rc; |
| ngx_buf_t *b; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->error) { |
| croak("flush(): called after error"); |
| } |
| |
| if (ctx->variable) { |
| croak("flush(): cannot be used in variable handler"); |
| } |
| |
| if (!ctx->header_sent) { |
| croak("flush(): header not sent"); |
| } |
| |
| b = ngx_calloc_buf(r->pool); |
| if (b == NULL) { |
| ctx->error = 1; |
| croak("ngx_calloc_buf() failed"); |
| } |
| |
| b->flush = 1; |
| |
| ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "$r->flush"); |
| |
| rc = ngx_http_perl_output(r, ctx, b); |
| |
| if (rc == NGX_ERROR) { |
| ctx->error = 1; |
| croak("ngx_http_perl_output() failed"); |
| } |
| |
| XSRETURN_EMPTY; |
| |
| |
| void |
| internal_redirect(r, uri) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| SV *uri; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->variable) { |
| croak("internal_redirect(): cannot be used in variable handler"); |
| } |
| |
| if (ctx->header_sent) { |
| croak("internal_redirect(): header already sent"); |
| } |
| |
| uri = ST(1); |
| |
| if (ngx_http_perl_sv2str(aTHX_ r, &ctx->redirect_uri, uri) != NGX_OK) { |
| ctx->error = 1; |
| croak("ngx_http_perl_sv2str() failed"); |
| } |
| |
| |
| void |
| allow_ranges(r) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->variable) { |
| croak("allow_ranges(): cannot be used in variable handler"); |
| } |
| |
| r->allow_ranges = 1; |
| |
| |
| void |
| unescape(r, text, type = 0) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| SV *text; |
| int type; |
| u_char *p, *dst, *src; |
| STRLEN len; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| text = ST(1); |
| |
| src = (u_char *) SvPV(text, len); |
| |
| p = ngx_pnalloc(r->pool, len + 1); |
| if (p == NULL) { |
| ctx->error = 1; |
| croak("ngx_pnalloc() failed"); |
| } |
| |
| dst = p; |
| |
| type = items < 3 ? 0 : SvIV(ST(2)); |
| |
| ngx_unescape_uri(&dst, &src, len, (ngx_uint_t) type); |
| *dst = '\0'; |
| |
| ngx_http_perl_set_targ(p, dst - p); |
| |
| ST(0) = TARG; |
| |
| |
| void |
| variable(r, name, value = NULL) |
| CODE: |
| |
| dXSTARG; |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| SV *name, *value; |
| u_char *p, *lowcase; |
| STRLEN len; |
| ngx_str_t var, val; |
| ngx_uint_t i, hash; |
| ngx_http_perl_var_t *v; |
| ngx_http_variable_value_t *vv; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| name = ST(1); |
| |
| if (SvROK(name) && SvTYPE(SvRV(name)) == SVt_PV) { |
| name = SvRV(name); |
| } |
| |
| if (items == 2) { |
| value = NULL; |
| |
| } else { |
| value = ST(2); |
| |
| if (SvROK(value) && SvTYPE(SvRV(value)) == SVt_PV) { |
| value = SvRV(value); |
| } |
| |
| if (ngx_http_perl_sv2str(aTHX_ r, &val, value) != NGX_OK) { |
| ctx->error = 1; |
| croak("ngx_http_perl_sv2str() failed"); |
| } |
| } |
| |
| p = (u_char *) SvPV(name, len); |
| |
| lowcase = ngx_pnalloc(r->pool, len); |
| if (lowcase == NULL) { |
| ctx->error = 1; |
| croak("ngx_pnalloc() failed"); |
| } |
| |
| hash = ngx_hash_strlow(lowcase, p, len); |
| |
| var.len = len; |
| var.data = lowcase; |
| #if (NGX_DEBUG) |
| |
| if (value) { |
| ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "perl variable: \"%V\"=\"%V\"", &var, &val); |
| } else { |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "perl variable: \"%V\"", &var); |
| } |
| #endif |
| |
| vv = ngx_http_get_variable(r, &var, hash); |
| if (vv == NULL) { |
| ctx->error = 1; |
| croak("ngx_http_get_variable() failed"); |
| } |
| |
| if (vv->not_found) { |
| |
| if (ctx->variables) { |
| |
| v = ctx->variables->elts; |
| for (i = 0; i < ctx->variables->nelts; i++) { |
| |
| if (hash != v[i].hash |
| || len != v[i].name.len |
| || ngx_strncmp(lowcase, v[i].name.data, len) != 0) |
| { |
| continue; |
| } |
| |
| if (value) { |
| v[i].value = val; |
| XSRETURN_UNDEF; |
| } |
| |
| ngx_http_perl_set_targ(v[i].value.data, v[i].value.len); |
| |
| goto done; |
| } |
| } |
| |
| if (value) { |
| if (ctx->variables == NULL) { |
| ctx->variables = ngx_array_create(r->pool, 1, |
| sizeof(ngx_http_perl_var_t)); |
| if (ctx->variables == NULL) { |
| ctx->error = 1; |
| croak("ngx_array_create() failed"); |
| } |
| } |
| |
| v = ngx_array_push(ctx->variables); |
| if (v == NULL) { |
| ctx->error = 1; |
| croak("ngx_array_push() failed"); |
| } |
| |
| v->hash = hash; |
| v->name.len = len; |
| v->name.data = lowcase; |
| v->value = val; |
| |
| XSRETURN_UNDEF; |
| } |
| |
| XSRETURN_UNDEF; |
| } |
| |
| if (value) { |
| vv->len = val.len; |
| vv->valid = 1; |
| vv->no_cacheable = 0; |
| vv->not_found = 0; |
| vv->data = val.data; |
| |
| XSRETURN_UNDEF; |
| } |
| |
| ngx_http_perl_set_targ(vv->data, vv->len); |
| |
| done: |
| |
| ST(0) = TARG; |
| |
| |
| void |
| sleep(r, sleep, next) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| ngx_msec_t sleep; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| if (ctx->variable) { |
| croak("sleep(): cannot be used in variable handler"); |
| } |
| |
| if (ctx->next) { |
| croak("sleep(): another handler active"); |
| } |
| |
| sleep = (ngx_msec_t) SvIV(ST(1)); |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "perl sleep: %M", sleep); |
| |
| ctx->next = SvRV(ST(2)); |
| |
| r->connection->write->delayed = 1; |
| ngx_add_timer(r->connection->write, sleep); |
| |
| r->write_event_handler = ngx_http_perl_sleep_handler; |
| r->main->count++; |
| |
| |
| void |
| log_error(r, err, msg) |
| CODE: |
| |
| ngx_http_request_t *r; |
| ngx_http_perl_ctx_t *ctx; |
| SV *err, *msg; |
| u_char *p; |
| STRLEN len; |
| ngx_err_t e; |
| |
| ngx_http_perl_set_request(r, ctx); |
| |
| err = ST(1); |
| |
| if (SvROK(err) && SvTYPE(SvRV(err)) == SVt_PV) { |
| err = SvRV(err); |
| } |
| |
| e = SvIV(err); |
| |
| msg = ST(2); |
| |
| if (SvROK(msg) && SvTYPE(SvRV(msg)) == SVt_PV) { |
| msg = SvRV(msg); |
| } |
| |
| p = (u_char *) SvPV(msg, len); |
| |
| ngx_log_error(NGX_LOG_ERR, r->connection->log, e, "perl: %s", p); |