Return a pool-allocated NUL-terminated line, with CRLF stripped, * read from brigade 'bbin' using 'bbout' as temporary storage. */
| 152 | /* Return a pool-allocated NUL-terminated line, with CRLF stripped, |
| 153 | * read from brigade 'bbin' using 'bbout' as temporary storage. */ |
| 154 | static char *get_line(apr_bucket_brigade *bbout, apr_bucket_brigade *bbin, |
| 155 | conn_rec *c, apr_pool_t *p) |
| 156 | { |
| 157 | apr_status_t rv; |
| 158 | apr_size_t len; |
| 159 | char *line; |
| 160 | |
| 161 | apr_brigade_cleanup(bbout); |
| 162 | |
| 163 | rv = apr_brigade_split_line(bbout, bbin, APR_BLOCK_READ, 8192); |
| 164 | if (rv) { |
| 165 | ap_log_cerror(APLOG_MARK, APLOG_ERR, rv, c, APLOGNO(01977) |
| 166 | "failed reading line from OCSP server"); |
| 167 | return NULL; |
| 168 | } |
| 169 | |
| 170 | rv = apr_brigade_pflatten(bbout, &line, &len, p); |
| 171 | if (rv) { |
| 172 | ap_log_cerror(APLOG_MARK, APLOG_ERR, rv, c, APLOGNO(01978) |
| 173 | "failed reading line from OCSP server"); |
| 174 | return NULL; |
| 175 | } |
| 176 | |
| 177 | if (len == 0) { |
| 178 | ap_log_cerror(APLOG_MARK, APLOG_ERR, rv, c, APLOGNO(02321) |
| 179 | "empty response from OCSP server"); |
| 180 | return NULL; |
| 181 | } |
| 182 | |
| 183 | if (line[len-1] != APR_ASCII_LF) { |
| 184 | ap_log_cerror(APLOG_MARK, APLOG_ERR, rv, c, APLOGNO(01979) |
| 185 | "response header line too long from OCSP server"); |
| 186 | return NULL; |
| 187 | } |
| 188 | |
| 189 | line[len-1] = '\0'; |
| 190 | if (len > 1 && line[len-2] == APR_ASCII_CR) { |
| 191 | line[len-2] = '\0'; |
| 192 | } |
| 193 | |
| 194 | return line; |
| 195 | } |
| 196 | |
| 197 | /* Maximum values to prevent eating RAM forever. */ |
| 198 | #define MAX_HEADERS (256) |