Module: kamailio Branch: master Commit: 260a825a48ac6f8b845a4b934f86ea3e04c120d4 URL: https://github.com/kamailio/kamailio/commit/260a825a48ac6f8b845a4b934f86ea3e...

Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2021-06-02T18:00:35+02:00

core: parser/parse_hname2 - option to skip printing logs on parse failure

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Modified: src/core/parser/parse_hname2.c Modified: src/core/parser/parse_hname2.h

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Diff: https://github.com/kamailio/kamailio/commit/260a825a48ac6f8b845a4b934f86ea3e... Patch: https://github.com/kamailio/kamailio/commit/260a825a48ac6f8b845a4b934f86ea3e...

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diff --git a/src/core/parser/parse_hname2.c b/src/core/parser/parse_hname2.c index ab56fa4ea5..20398a9595 100644 --- a/src/core/parser/parse_hname2.c +++ b/src/core/parser/parse_hname2.c @@ -219,21 +219,25 @@ int ksr_hname_init_config(void) * - fills hdr structure (must not be null) * - set hdr->type=HDR_ERROR_T in case of parsing error * - if emode==1, then parsing does not expect : after header name + * - if logmode==1, then print error log messages on parsing failure * - returns pointer after : if emode==0 or after header name if emode==1 + * in case of parsing error, returns begin and sets hdr->type to HDR_ERROR_T */ char *parse_sip_header_name(char* const begin, const char* const end, - hdr_field_t* const hdr, int emode) + hdr_field_t* const hdr, int emode, int logmode) { char *p; int i;

- if (end <= begin) { + if (begin == NULL || end == NULL || end <= begin) { hdr->type = HDR_ERROR_T; return begin; } if(_ksr_hname_chars_idx[(unsigned char)(*begin)] == 0) { - LM_ERR("invalid start of header name for [%.*s]\n", - (int)(end-begin), begin); + if(likely(logmode)) { + LM_ERR("invalid start of header name for [%.*s]\n", + (int)(end-begin), begin); + } hdr->type = HDR_ERROR_T; return begin; } @@ -262,8 +266,10 @@ char *parse_sip_header_name(char* const begin, const char* const end, } if(*p != ' ' && *p != '\t') { /* no white space - bad header name format */ - LM_ERR("invalid header name for [%.*s]\n", - (int)(end-begin), begin); + if(likely(logmode)) { + LM_ERR("invalid header name for [%.*s]\n", + (int)(end-begin), begin); + } hdr->type = HDR_ERROR_T; return begin; } @@ -271,8 +277,10 @@ char *parse_sip_header_name(char* const begin, const char* const end,

if(p == end) { /* no : found - emode==0 */ - LM_ERR("invalid end of header name for [%.*s]\n", - (int)(end-begin), begin); + if(likely(logmode)) { + LM_ERR("invalid end of header name for [%.*s]\n", + (int)(end-begin), begin); + } hdr->type = HDR_ERROR_T; return begin; } @@ -298,7 +306,7 @@ char *parse_sip_header_name(char* const begin, const char* const end,

char* parse_hname2(char* const begin, const char* const end, struct hdr_field* const hdr) { - return parse_sip_header_name(begin, end, hdr, 0); + return parse_sip_header_name(begin, end, hdr, 0, 1); }

/** @@ -307,11 +315,11 @@ char* parse_hname2(char* const begin, const char* const end, struct hdr_field* c */ char* parse_hname2_short(char* const begin, const char* const end, struct hdr_field* const hdr) { - return parse_sip_header_name(begin, end, hdr, 0); + return parse_sip_header_name(begin, end, hdr, 0, 1); }

char* parse_hname2_str (str* const hbuf, hdr_field_t* const hdr) { - return parse_sip_header_name(hbuf->s, hbuf->s + hbuf->len, hdr, 1); + return parse_sip_header_name(hbuf->s, hbuf->s + hbuf->len, hdr, 1, 1); }

diff --git a/src/core/parser/parse_hname2.h b/src/core/parser/parse_hname2.h index 2c864857d6..fc52c1c802 100644 --- a/src/core/parser/parse_hname2.h +++ b/src/core/parser/parse_hname2.h @@ -35,6 +35,15 @@ /** Fast 32-bit header field name parser. * @file */ + +char *parse_sip_header_name(char* const begin, const char* const end, + hdr_field_t* const hdr, int emode, int logmode); + +/* macro to find header name without printing errors in failure case */ +#define find_hname2_str(hbuf, hdr) \ + parse_sip_header_name((hbuf)->s, (hbuf)->s + (hbuf)->len, hdr, 1, 0) + + char* parse_hname2(char* const begin, const char* const end, struct hdr_field* const hdr); char* parse_hname2_short(char* const begin, const char* const end, struct hdr_field* const hdr); char* parse_hname2_str (str* const hbuf, hdr_field_t* const hdr);