One Level Up
Top Level
src/core/ngx_file.c - nginx-1.7.10
Global variables defined
Functions defined
Source code
- #include <ngx_config.h>
- #include <ngx_core.h>
- static ngx_int_t ngx_test_full_name(ngx_str_t *name);
- static ngx_atomic_t temp_number = 0;
- ngx_atomic_t *ngx_temp_number = &temp_number;
- ngx_atomic_int_t ngx_random_number = 123456;
- ngx_int_t
- ngx_get_full_name(ngx_pool_t *pool, ngx_str_t *prefix, ngx_str_t *name)
- {
- size_t len;
- u_char *p, *n;
- ngx_int_t rc;
- rc = ngx_test_full_name(name);
- if (rc == NGX_OK) {
- return rc;
- }
- len = prefix->len;
- #if (NGX_WIN32)
- if (rc == 2) {
- len = rc;
- }
- #endif
- n = ngx_pnalloc(pool, len + name->len + 1);
- if (n == NULL) {
- return NGX_ERROR;
- }
- p = ngx_cpymem(n, prefix->data, len);
- ngx_cpystrn(p, name->data, name->len + 1);
- name->len += len;
- name->data = n;
- return NGX_OK;
- }
- static ngx_int_t
- ngx_test_full_name(ngx_str_t *name)
- {
- #if (NGX_WIN32)
- u_char c0, c1;
- c0 = name->data[0];
- if (name->len < 2) {
- if (c0 == '/') {
- return 2;
- }
- return NGX_DECLINED;
- }
- c1 = name->data[1];
- if (c1 == ':') {
- c0 |= 0x20;
- if ((c0 >= 'a' && c0 <= 'z')) {
- return NGX_OK;
- }
- return NGX_DECLINED;
- }
- if (c1 == '/') {
- return NGX_OK;
- }
- if (c0 == '/') {
- return 2;
- }
- return NGX_DECLINED;
- #else
- if (name->data[0] == '/') {
- return NGX_OK;
- }
- return NGX_DECLINED;
- #endif
- }
- ssize_t
- ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain)
- {
- ngx_int_t rc;
- if (tf->file.fd == NGX_INVALID_FILE) {
- rc = ngx_create_temp_file(&tf->file, tf->path, tf->pool,
- tf->persistent, tf->clean, tf->access);
- if (rc != NGX_OK) {
- return rc;
- }
- if (tf->log_level) {
- ngx_log_error(tf->log_level, tf->file.log, 0, "%s %V",
- tf->warn, &tf->file.name);
- }
- }
- return ngx_write_chain_to_file(&tf->file, chain, tf->offset, tf->pool);
- }
- ngx_int_t
- ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool,
- ngx_uint_t persistent, ngx_uint_t clean, ngx_uint_t access)
- {
- uint32_t n;
- ngx_err_t err;
- ngx_pool_cleanup_t *cln;
- ngx_pool_cleanup_file_t *clnf;
- file->name.len = path->name.len + 1 + path->len + 10;
- file->name.data = ngx_pnalloc(pool, file->name.len + 1);
- if (file->name.data == NULL) {
- return NGX_ERROR;
- }
- #if 0
- #endif
- ngx_memcpy(file->name.data, path->name.data, path->name.len);
- n = (uint32_t) ngx_next_temp_number(0);
- cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t));
- if (cln == NULL) {
- return NGX_ERROR;
- }
- for ( ;; ) {
- (void) ngx_sprintf(file->name.data + path->name.len + 1 + path->len,
- "%010uD%Z", n);
- ngx_create_hashed_filename(path, file->name.data, file->name.len);
- ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
- "hashed path: %s", file->name.data);
- file->fd = ngx_open_tempfile(file->name.data, persistent, access);
- ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
- "temp fd:%d", file->fd);
- if (file->fd != NGX_INVALID_FILE) {
- cln->handler = clean ? ngx_pool_delete_file : ngx_pool_cleanup_file;
- clnf = cln->data;
- clnf->fd = file->fd;
- clnf->name = file->name.data;
- clnf->log = pool->log;
- return NGX_OK;
- }
- err = ngx_errno;
- if (err == NGX_EEXIST) {
- n = (uint32_t) ngx_next_temp_number(1);
- continue;
- }
- if ((path->level[0] == 0) || (err != NGX_ENOPATH)) {
- ngx_log_error(NGX_LOG_CRIT, file->log, err,
- ngx_open_tempfile_n " \"%s\" failed",
- file->name.data);
- return NGX_ERROR;
- }
- if (ngx_create_path(file, path) == NGX_ERROR) {
- return NGX_ERROR;
- }
- }
- }
- void
- ngx_create_hashed_filename(ngx_path_t *path, u_char *file, size_t len)
- {
- size_t i, level;
- ngx_uint_t n;
- i = path->name.len + 1;
- file[path->name.len + path->len] = '/';
- for (n = 0; n < 3; n++) {
- level = path->level[n];
- if (level == 0) {
- break;
- }
- len -= level;
- file[i - 1] = '/';
- ngx_memcpy(&file[i], &file[len], level);
- i += level + 1;
- }
- }
- ngx_int_t
- ngx_create_path(ngx_file_t *file, ngx_path_t *path)
- {
- size_t pos;
- ngx_err_t err;
- ngx_uint_t i;
- pos = path->name.len;
- for (i = 0; i < 3; i++) {
- if (path->level[i] == 0) {
- break;
- }
- pos += path->level[i] + 1;
- file->name.data[pos] = '\0';
- ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
- "temp file: \"%s\"", file->name.data);
- if (ngx_create_dir(file->name.data, 0700) == NGX_FILE_ERROR) {
- err = ngx_errno;
- if (err != NGX_EEXIST) {
- ngx_log_error(NGX_LOG_CRIT, file->log, err,
- ngx_create_dir_n " \"%s\" failed",
- file->name.data);
- return NGX_ERROR;
- }
- }
- file->name.data[pos] = '/';
- }
- return NGX_OK;
- }
- ngx_err_t
- ngx_create_full_path(u_char *dir, ngx_uint_t access)
- {
- u_char *p, ch;
- ngx_err_t err;
- err = 0;
- #if (NGX_WIN32)
- p = dir + 3;
- #else
- p = dir + 1;
- #endif
- for ( ; *p; p++) {
- ch = *p;
- if (ch != '/') {
- continue;
- }
- *p = '\0';
- if (ngx_create_dir(dir, access) == NGX_FILE_ERROR) {
- err = ngx_errno;
- switch (err) {
- case NGX_EEXIST:
- err = 0;
- case NGX_EACCES:
- break;
- default:
- return err;
- }
- }
- *p = '/';
- }
- return err;
- }
- ngx_atomic_uint_t
- ngx_next_temp_number(ngx_uint_t collision)
- {
- ngx_atomic_uint_t n, add;
- add = collision ? ngx_random_number : 1;
- n = ngx_atomic_fetch_add(ngx_temp_number, add);
- return n + add;
- }
- char *
- ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
- {
- char *p = conf;
- ssize_t level;
- ngx_str_t *value;
- ngx_uint_t i, n;
- ngx_path_t *path, **slot;
- slot = (ngx_path_t **) (p + cmd->offset);
- if (*slot) {
- return "is duplicate";
- }
- path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t));
- if (path == NULL) {
- return NGX_CONF_ERROR;
- }
- value = cf->args->elts;
- path->name = value[1];
- if (path->name.data[path->name.len - 1] == '/') {
- path->name.len--;
- }
- if (ngx_conf_full_name(cf->cycle, &path->name, 0) != NGX_OK) {
- return NULL;
- }
- path->conf_file = cf->conf_file->file.name.data;
- path->line = cf->conf_file->line;
- for (i = 0, n = 2; n < cf->args->nelts; i++, n++) {
- level = ngx_atoi(value[n].data, value[n].len);
- if (level == NGX_ERROR || level == 0) {
- return "invalid value";
- }
- path->level[i] = level;
- path->len += level + 1;
- }
- while (i < 3) {
- path->level[i++] = 0;
- }
- *slot = path;
- if (ngx_add_path(cf, slot) == NGX_ERROR) {
- return NGX_CONF_ERROR;
- }
- return NGX_CONF_OK;
- }
- char *
- ngx_conf_merge_path_value(ngx_conf_t *cf, ngx_path_t **path, ngx_path_t *prev,
- ngx_path_init_t *init)
- {
- if (*path) {
- return NGX_CONF_OK;
- }
- if (prev) {
- *path = prev;
- return NGX_CONF_OK;
- }
- *path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t));
- if (*path == NULL) {
- return NGX_CONF_ERROR;
- }
- (*path)->name = init->name;
- if (ngx_conf_full_name(cf->cycle, &(*path)->name, 0) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- (*path)->level[0] = init->level[0];
- (*path)->level[1] = init->level[1];
- (*path)->level[2] = init->level[2];
- (*path)->len = init->level[0] + (init->level[0] ? 1 : 0)
- + init->level[1] + (init->level[1] ? 1 : 0)
- + init->level[2] + (init->level[2] ? 1 : 0);
- if (ngx_add_path(cf, path) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- return NGX_CONF_OK;
- }
- char *
- ngx_conf_set_access_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
- {
- char *confp = conf;
- u_char *p;
- ngx_str_t *value;
- ngx_uint_t i, right, shift, *access;
- access = (ngx_uint_t *) (confp + cmd->offset);
- if (*access != NGX_CONF_UNSET_UINT) {
- return "is duplicate";
- }
- value = cf->args->elts;
- *access = 0600;
- for (i = 1; i < cf->args->nelts; i++) {
- p = value[i].data;
- if (ngx_strncmp(p, "user:", sizeof("user:") - 1) == 0) {
- shift = 6;
- p += sizeof("user:") - 1;
- } else if (ngx_strncmp(p, "group:", sizeof("group:") - 1) == 0) {
- shift = 3;
- p += sizeof("group:") - 1;
- } else if (ngx_strncmp(p, "all:", sizeof("all:") - 1) == 0) {
- shift = 0;
- p += sizeof("all:") - 1;
- } else {
- goto invalid;
- }
- if (ngx_strcmp(p, "rw") == 0) {
- right = 6;
- } else if (ngx_strcmp(p, "r") == 0) {
- right = 4;
- } else {
- goto invalid;
- }
- *access |= right << shift;
- }
- return NGX_CONF_OK;
- invalid:
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid value \"%V\"", &value[i]);
- return NGX_CONF_ERROR;
- }
- ngx_int_t
- ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot)
- {
- ngx_uint_t i, n;
- ngx_path_t *path, **p;
- path = *slot;
- p = cf->cycle->paths.elts;
- for (i = 0; i < cf->cycle->paths.nelts; i++) {
- if (p[i]->name.len == path->name.len
- && ngx_strcmp(p[i]->name.data, path->name.data) == 0)
- {
- if (p[i]->data != path->data) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
- "the same path name \"%V\" "
- "used in %s:%ui and",
- &p[i]->name, p[i]->conf_file, p[i]->line);
- return NGX_ERROR;
- }
- for (n = 0; n < 3; n++) {
- if (p[i]->level[n] != path->level[n]) {
- if (path->conf_file == NULL) {
- if (p[i]->conf_file == NULL) {
- ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
- "the default path name \"%V\" has "
- "the same name as another default path, "
- "but the different levels, you need to "
- "redefine one of them in http section",
- &p[i]->name);
- return NGX_ERROR;
- }
- ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
- "the path name \"%V\" in %s:%ui has "
- "the same name as default path, but "
- "the different levels, you need to "
- "define default path in http section",
- &p[i]->name, p[i]->conf_file, p[i]->line);
- return NGX_ERROR;
- }
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
- "the same path name \"%V\" in %s:%ui "
- "has the different levels than",
- &p[i]->name, p[i]->conf_file, p[i]->line);
- return NGX_ERROR;
- }
- if (p[i]->level[n] == 0) {
- break;
- }
- }
- *slot = p[i];
- return NGX_OK;
- }
- }
- p = ngx_array_push(&cf->cycle->paths);
- if (p == NULL) {
- return NGX_ERROR;
- }
- *p = path;
- return NGX_OK;
- }
- ngx_int_t
- ngx_create_paths(ngx_cycle_t *cycle, ngx_uid_t user)
- {
- ngx_err_t err;
- ngx_uint_t i;
- ngx_path_t **path;
- path = cycle->paths.elts;
- for (i = 0; i < cycle->paths.nelts; i++) {
- if (ngx_create_dir(path[i]->name.data, 0700) == NGX_FILE_ERROR) {
- err = ngx_errno;
- if (err != NGX_EEXIST) {
- ngx_log_error(NGX_LOG_EMERG, cycle->log, err,
- ngx_create_dir_n " \"%s\" failed",
- path[i]->name.data);
- return NGX_ERROR;
- }
- }
- if (user == (ngx_uid_t) NGX_CONF_UNSET_UINT) {
- continue;
- }
- #if !(NGX_WIN32)
- {
- ngx_file_info_t fi;
- if (ngx_file_info((const char *) path[i]->name.data, &fi)
- == NGX_FILE_ERROR)
- {
- ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
- ngx_file_info_n " \"%s\" failed", path[i]->name.data);
- return NGX_ERROR;
- }
- if (fi.st_uid != user) {
- if (chown((const char *) path[i]->name.data, user, -1) == -1) {
- ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
- "chown(\"%s\", %d) failed",
- path[i]->name.data, user);
- return NGX_ERROR;
- }
- }
- if ((fi.st_mode & (S_IRUSR|S_IWUSR|S_IXUSR))
- != (S_IRUSR|S_IWUSR|S_IXUSR))
- {
- fi.st_mode |= (S_IRUSR|S_IWUSR|S_IXUSR);
- if (chmod((const char *) path[i]->name.data, fi.st_mode) == -1) {
- ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
- "chmod() \"%s\" failed", path[i]->name.data);
- return NGX_ERROR;
- }
- }
- }
- #endif
- }
- return NGX_OK;
- }
- ngx_int_t
- ngx_ext_rename_file(ngx_str_t *src, ngx_str_t *to, ngx_ext_rename_file_t *ext)
- {
- u_char *name;
- ngx_err_t err;
- ngx_copy_file_t cf;
- #if !(NGX_WIN32)
- if (ext->access) {
- if (ngx_change_file_access(src->data, ext->access) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
- ngx_change_file_access_n " \"%s\" failed", src->data);
- err = 0;
- goto failed;
- }
- }
- #endif
- if (ext->time != -1) {
- if (ngx_set_file_time(src->data, ext->fd, ext->time) != NGX_OK) {
- ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
- ngx_set_file_time_n " \"%s\" failed", src->data);
- err = 0;
- goto failed;
- }
- }
- if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
- return NGX_OK;
- }
- err = ngx_errno;
- if (err == NGX_ENOPATH) {
- if (!ext->create_path) {
- goto failed;
- }
- err = ngx_create_full_path(to->data, ngx_dir_access(ext->path_access));
- if (err) {
- ngx_log_error(NGX_LOG_CRIT, ext->log, err,
- ngx_create_dir_n " \"%s\" failed", to->data);
- err = 0;
- goto failed;
- }
- if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
- return NGX_OK;
- }
- err = ngx_errno;
- }
- #if (NGX_WIN32)
- if (err == NGX_EEXIST) {
- err = ngx_win32_rename_file(src, to, ext->log);
- if (err == 0) {
- return NGX_OK;
- }
- }
- #endif
- if (err == NGX_EXDEV) {
- cf.size = -1;
- cf.buf_size = 0;
- cf.access = ext->access;
- cf.time = ext->time;
- cf.log = ext->log;
- name = ngx_alloc(to->len + 1 + 10 + 1, ext->log);
- if (name == NULL) {
- return NGX_ERROR;
- }
- (void) ngx_sprintf(name, "%*s.%010uD%Z", to->len, to->data,
- (uint32_t) ngx_next_temp_number(0));
- if (ngx_copy_file(src->data, name, &cf) == NGX_OK) {
- if (ngx_rename_file(name, to->data) != NGX_FILE_ERROR) {
- ngx_free(name);
- if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
- ngx_delete_file_n " \"%s\" failed",
- src->data);
- return NGX_ERROR;
- }
- return NGX_OK;
- }
- ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
- ngx_rename_file_n " \"%s\" to \"%s\" failed",
- name, to->data);
- if (ngx_delete_file(name) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
- ngx_delete_file_n " \"%s\" failed", name);
- }
- }
- ngx_free(name);
- err = 0;
- }
- failed:
- if (ext->delete_file) {
- if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
- ngx_delete_file_n " \"%s\" failed", src->data);
- }
- }
- if (err) {
- ngx_log_error(NGX_LOG_CRIT, ext->log, err,
- ngx_rename_file_n " \"%s\" to \"%s\" failed",
- src->data, to->data);
- }
- return NGX_ERROR;
- }
- ngx_int_t
- ngx_copy_file(u_char *from, u_char *to, ngx_copy_file_t *cf)
- {
- char *buf;
- off_t size;
- size_t len;
- ssize_t n;
- ngx_fd_t fd, nfd;
- ngx_int_t rc;
- ngx_file_info_t fi;
- rc = NGX_ERROR;
- buf = NULL;
- nfd = NGX_INVALID_FILE;
- fd = ngx_open_file(from, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
- if (fd == NGX_INVALID_FILE) {
- ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno,
- ngx_open_file_n " \"%s\" failed", from);
- goto failed;
- }
- if (cf->size != -1) {
- size = cf->size;
- } else {
- if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
- ngx_fd_info_n " \"%s\" failed", from);
- goto failed;
- }
- size = ngx_file_size(&fi);
- }
- len = cf->buf_size ? cf->buf_size : 65536;
- if ((off_t) len > size) {
- len = (size_t) size;
- }
- buf = ngx_alloc(len, cf->log);
- if (buf == NULL) {
- goto failed;
- }
- nfd = ngx_open_file(to, NGX_FILE_WRONLY, NGX_FILE_CREATE_OR_OPEN,
- cf->access);
- if (nfd == NGX_INVALID_FILE) {
- ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno,
- ngx_open_file_n " \"%s\" failed", to);
- goto failed;
- }
- while (size > 0) {
- if ((off_t) len > size) {
- len = (size_t) size;
- }
- n = ngx_read_fd(fd, buf, len);
- if (n == -1) {
- ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
- ngx_read_fd_n " \"%s\" failed", from);
- goto failed;
- }
- if ((size_t) n != len) {
- ngx_log_error(NGX_LOG_ALERT, cf->log, 0,
- ngx_read_fd_n " has read only %z of %uz from %s",
- n, size, from);
- goto failed;
- }
- n = ngx_write_fd(nfd, buf, len);
- if (n == -1) {
- ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
- ngx_write_fd_n " \"%s\" failed", to);
- goto failed;
- }
- if ((size_t) n != len) {
- ngx_log_error(NGX_LOG_ALERT, cf->log, 0,
- ngx_write_fd_n " has written only %z of %uz to %s",
- n, size, to);
- goto failed;
- }
- size -= n;
- }
- if (cf->time != -1) {
- if (ngx_set_file_time(to, nfd, cf->time) != NGX_OK) {
- ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
- ngx_set_file_time_n " \"%s\" failed", to);
- goto failed;
- }
- }
- rc = NGX_OK;
- failed:
- if (nfd != NGX_INVALID_FILE) {
- if (ngx_close_file(nfd) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
- ngx_close_file_n " \"%s\" failed", to);
- }
- }
- if (fd != NGX_INVALID_FILE) {
- if (ngx_close_file(fd) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
- ngx_close_file_n " \"%s\" failed", from);
- }
- }
- if (buf) {
- ngx_free(buf);
- }
- return rc;
- }
- ngx_int_t
- ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree)
- {
- void *data, *prev;
- u_char *p, *name;
- size_t len;
- ngx_int_t rc;
- ngx_err_t err;
- ngx_str_t file, buf;
- ngx_dir_t dir;
- ngx_str_null(&buf);
- ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
- "walk tree \"%V\"", tree);
- if (ngx_open_dir(tree, &dir) == NGX_ERROR) {
- ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
- ngx_open_dir_n " \"%s\" failed", tree->data);
- return NGX_ERROR;
- }
- prev = ctx->data;
- if (ctx->alloc) {
- data = ngx_alloc(ctx->alloc, ctx->log);
- if (data == NULL) {
- goto failed;
- }
- if (ctx->init_handler(data, prev) == NGX_ABORT) {
- goto failed;
- }
- ctx->data = data;
- } else {
- data = NULL;
- }
- for ( ;; ) {
- ngx_set_errno(0);
- if (ngx_read_dir(&dir) == NGX_ERROR) {
- err = ngx_errno;
- if (err == NGX_ENOMOREFILES) {
- rc = NGX_OK;
- } else {
- ngx_log_error(NGX_LOG_CRIT, ctx->log, err,
- ngx_read_dir_n " \"%s\" failed", tree->data);
- rc = NGX_ERROR;
- }
- goto done;
- }
- len = ngx_de_namelen(&dir);
- name = ngx_de_name(&dir);
- ngx_log_debug2(NGX_LOG_DEBUG_CORE, ctx->log, 0,
- "tree name %uz:\"%s\"", len, name);
- if (len == 1 && name[0] == '.') {
- continue;
- }
- if (len == 2 && name[0] == '.' && name[1] == '.') {
- continue;
- }
- file.len = tree->len + 1 + len;
- if (file.len + NGX_DIR_MASK_LEN > buf.len) {
- if (buf.len) {
- ngx_free(buf.data);
- }
- buf.len = tree->len + 1 + len + NGX_DIR_MASK_LEN;
- buf.data = ngx_alloc(buf.len + 1, ctx->log);
- if (buf.data == NULL) {
- goto failed;
- }
- }
- p = ngx_cpymem(buf.data, tree->data, tree->len);
- *p++ = '/';
- ngx_memcpy(p, name, len + 1);
- file.data = buf.data;
- ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
- "tree path \"%s\"", file.data);
- if (!dir.valid_info) {
- if (ngx_de_info(file.data, &dir) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
- ngx_de_info_n " \"%s\" failed", file.data);
- continue;
- }
- }
- if (ngx_de_is_file(&dir)) {
- ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
- "tree file \"%s\"", file.data);
- ctx->size = ngx_de_size(&dir);
- ctx->fs_size = ngx_de_fs_size(&dir);
- ctx->access = ngx_de_access(&dir);
- ctx->mtime = ngx_de_mtime(&dir);
- if (ctx->file_handler(ctx, &file) == NGX_ABORT) {
- goto failed;
- }
- } else if (ngx_de_is_dir(&dir)) {
- ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
- "tree enter dir \"%s\"", file.data);
- ctx->access = ngx_de_access(&dir);
- ctx->mtime = ngx_de_mtime(&dir);
- rc = ctx->pre_tree_handler(ctx, &file);
- if (rc == NGX_ABORT) {
- goto failed;
- }
- if (rc == NGX_DECLINED) {
- ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
- "tree skip dir \"%s\"", file.data);
- continue;
- }
- if (ngx_walk_tree(ctx, &file) == NGX_ABORT) {
- goto failed;
- }
- ctx->access = ngx_de_access(&dir);
- ctx->mtime = ngx_de_mtime(&dir);
- if (ctx->post_tree_handler(ctx, &file) == NGX_ABORT) {
- goto failed;
- }
- } else {
- ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
- "tree special \"%s\"", file.data);
- if (ctx->spec_handler(ctx, &file) == NGX_ABORT) {
- goto failed;
- }
- }
- }
- failed:
- rc = NGX_ABORT;
- done:
- if (buf.len) {
- ngx_free(buf.data);
- }
- if (data) {
- ngx_free(data);
- ctx->data = prev;
- }
- if (ngx_close_dir(&dir) == NGX_ERROR) {
- ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
- ngx_close_dir_n " \"%s\" failed", tree->data);
- }
- return rc;
- }
One Level Up
Top Level