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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:33:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:33:50 +0000 |
commit | fe39ffb8b90ae4e002ed73fe98617cd590abb467 (patch) | |
tree | b80e5956907d8aeaaffe4e4f0c068c0e6157ce8b /modules/tls/tls_util.h | |
parent | Initial commit. (diff) | |
download | apache2-fe39ffb8b90ae4e002ed73fe98617cd590abb467.tar.xz apache2-fe39ffb8b90ae4e002ed73fe98617cd590abb467.zip |
Adding upstream version 2.4.56.upstream/2.4.56upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'modules/tls/tls_util.h')
-rw-r--r-- | modules/tls/tls_util.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/modules/tls/tls_util.h b/modules/tls/tls_util.h new file mode 100644 index 0000000..18ae4df --- /dev/null +++ b/modules/tls/tls_util.h @@ -0,0 +1,157 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef tls_util_h +#define tls_util_h + +#define TLS_DIM(a) (sizeof(a)/sizeof(a[0])) + + +/** + * Simple struct to hold a range of bytes and its length together. + */ +typedef struct tls_data_t tls_data_t; +struct tls_data_t { + const unsigned char* data; + apr_size_t len; +}; + +/** + * Return a tls_data_t for a string. + */ +tls_data_t tls_data_from_str(const char *s); + +/** + * Create a copy of a tls_data_t using the given pool. + */ +tls_data_t *tls_data_copy(apr_pool_t *p, const tls_data_t *d); + +/** + * Return a copy of a tls_data_t bytes allocated from pool. + */ +tls_data_t tls_data_assign_copy(apr_pool_t *p, const tls_data_t *d); + +/** + * Convert the data bytes in `d` into a NUL-terminated string. + * There is no check if the data bytes already contain NUL. + */ +const char *tls_data_to_str(apr_pool_t *p, const tls_data_t *d); + +/** + * Return != 0 if fpath is a 'real' file. + */ +int tls_util_is_file(apr_pool_t *p, const char *fpath); + +/** + * Inspect a 'rustls_result', retrieve the error description for it and + * return the apr_status_t to use as our error status. + */ +apr_status_t tls_util_rustls_error(apr_pool_t *p, rustls_result rr, const char **perr_descr); + +/** + * Load up to `max_len` bytes into a buffer allocated from the pool. + * @return ARP_SUCCESS on successful load. + * APR_EINVAL when the file was not a regular file or is too large. + */ +apr_status_t tls_util_file_load( + apr_pool_t *p, const char *fpath, size_t min_len, size_t max_len, tls_data_t *data); + +/** + * Return != 0 iff the array of apr_uint16_t contains value n. + */ +int tls_util_array_uint16_contains(const apr_array_header_t* a, apr_uint16_t n); + +/** + * Remove all apr_uint16_t in `others` from array `from`. + * Returns the new array or, if no overlap was found, the `from` array unchanged. + */ +const apr_array_header_t *tls_util_array_uint16_remove( + apr_pool_t *pool, const apr_array_header_t* from, const apr_array_header_t* others); + +/** + * Transfer up to <length> bytes from <src> to <dest>, including all + * encountered meta data buckets. The transferred buckets/data are + * removed from <src>. + * Return the actual byte count transferred in <pnout>. + */ +apr_status_t tls_util_brigade_transfer( + apr_bucket_brigade *dest, apr_bucket_brigade *src, apr_off_t length, + apr_off_t *pnout); + +/** + * Copy up to <length> bytes from <src> to <dest>, including all + * encountered meta data buckets. <src> remains semantically unchaanged, + * meaning there might have been buckets split or changed while reading + * their content. + * Return the actual byte count copied in <pnout>. + */ +apr_status_t tls_util_brigade_copy( + apr_bucket_brigade *dest, apr_bucket_brigade *src, apr_off_t length, + apr_off_t *pnout); + +/** + * Get a line of max `length` bytes from `src` into `dest`. + * Return the number of bytes transferred in `pnout`. + */ +apr_status_t tls_util_brigade_split_line( + apr_bucket_brigade *dest, apr_bucket_brigade *src, + apr_read_type_e block, apr_off_t length, + apr_off_t *pnout); + +/** + * Return != 0 iff the given <name> matches the configured 'ServerName' + * or one of the 'ServerAlias' name of <s>, including wildcard patterns + * as understood by ap_strcasecmp_match(). + */ +int tls_util_name_matches_server(const char *name, server_rec *s); + + +/** + * Print a bucket's meta data (type and length) to the buffer. + * @return number of characters printed + */ +apr_size_t tls_util_bucket_print(char *buffer, apr_size_t bmax, + apr_bucket *b, const char *sep); + +/** + * Prints the brigade bucket types and lengths into the given buffer + * up to bmax. + * @return number of characters printed + */ +apr_size_t tls_util_bb_print(char *buffer, apr_size_t bmax, + const char *tag, const char *sep, + apr_bucket_brigade *bb); +/** + * Logs the bucket brigade (which bucket types with what length) + * to the log at the given level. + * @param c the connection to log for + * @param sid the stream identifier this brigade belongs to + * @param level the log level (as in APLOG_*) + * @param tag a short message text about the context + * @param bb the brigade to log + */ +#define tls_util_bb_log(c, level, tag, bb) \ +do { \ + char buffer[4 * 1024]; \ + const char *line = "(null)"; \ + apr_size_t len, bmax = sizeof(buffer)/sizeof(buffer[0]); \ + len = tls_util_bb_print(buffer, bmax, (tag), "", (bb)); \ + ap_log_cerror(APLOG_MARK, level, 0, (c), "bb_dump(%ld): %s", \ + ((c)->master? (c)->master->id : (c)->id), (len? buffer : line)); \ +} while(0) + + + +#endif /* tls_util_h */ |