* This method is used to parse P-Preferred-Identity header (RFC 3325). * * params: msg : sip msg * returns 0 on success, * -1 on failure. */
| 39 | * -1 on failure. |
| 40 | */ |
| 41 | int parse_ppi_header( struct sip_msg *msg ) |
| 42 | { |
| 43 | struct to_body* ppi_b; |
| 44 | |
| 45 | if ( !msg->ppi && |
| 46 | (parse_headers(msg, HDR_PPI_F,0)==-1 || !msg->ppi)) { |
| 47 | goto error; |
| 48 | } |
| 49 | |
| 50 | /* maybe the header is already parsed! */ |
| 51 | if (msg->ppi->parsed) |
| 52 | return 0; |
| 53 | |
| 54 | /* bad luck! :-( - we have to parse it */ |
| 55 | /* first, get some memory */ |
| 56 | ppi_b = pkg_malloc(sizeof(struct to_body)); |
| 57 | if (ppi_b == 0) { |
| 58 | LM_ERR("out of pkg_memory\n"); |
| 59 | goto error; |
| 60 | } |
| 61 | |
| 62 | /* now parse it!! */ |
| 63 | parse_multi_to(msg->ppi->body.s, |
| 64 | msg->ppi->body.s + msg->ppi->body.len+1, |
| 65 | ppi_b); |
| 66 | if (ppi_b->error == PARSE_ERROR) { |
| 67 | LM_ERR("bad P-Preferred-Identity header\n"); |
| 68 | pkg_free(ppi_b); |
| 69 | set_err_info(OSER_EC_PARSER, OSER_EL_MEDIUM, |
| 70 | "error parsing PPI header"); |
| 71 | set_err_reply(400, "bad header"); |
| 72 | goto error; |
| 73 | } |
| 74 | msg->ppi->parsed = ppi_b; |
| 75 | |
| 76 | return 0; |
| 77 | error: |
| 78 | return -1; |
| 79 | } |
| 80 | |
| 81 | |
| 82 | /** |
no test coverage detected