int get_mixed_part_delimiter(str* body, str *mp_delimiter) { static unsigned int boun[16] = { 0x6e756f62,0x4e756f62,0x6e556f62,0x4e556f62, 0x6e754f62,0x4e754f62,0x6e554f62,0x4e554f62, 0x6e756f42,0x4e756f42,0x6e556f42,0x4e556f42, 0x6e754f42,0x4e754f42,0x6e554f42,0x4e554f42}; static unsigned int dary[16] = { 0x79726164,0x59726164,0x79526164,0x59526164, 0x79724164,0x59724164,0x79524164,0x59524164, 0x79726144,0x59726144,0x79526144,0x59526144, 0x79724144,0x59724144,0x79524144,0x59524144}; str str_type; unsigned int x; char *p; /* LM_DBG("<%.*s>\n",body->len,body->s); */ p = str_type.s = body->s; str_type.len = body->len; while (*p!=';' && p<(body->s+body->len)) advance(p,1,str_type,error); p++; str_type.s = p; str_type.len = body->len - (p - body->s); /* LM_DBG("string to parse: <%.*s>\n",str_type.len,str_type.s); */ /* skip spaces and tabs if any */ while (*p==' ' || *p=='\t') advance(p,1,str_type,error); advance(p,4,str_type,error); x = READ(p-4); if (!one_of_16(x,boun)) goto other; advance(p,4,str_type,error); x = READ(p-4); if (!one_of_16(x,dary)) goto other; /* skip spaces and tabs if any */ while (*p==' ' || *p=='\t') advance(p,1,str_type,error); if (*p!='=') { LM_ERR("parse error: no = found after boundary field\n"); goto error; } advance(p,1,str_type,error); while ((*p==' ' || *p=='\t') && p+1<str_type.s+str_type.len) advance(p,1,str_type,error); mp_delimiter->len = str_type.len - (int)(p-str_type.s); mp_delimiter->s = p; return 1; error: return -1; other: LM_DBG("'boundary' parsing error\n"); return -1; }
int check_content_type(struct sip_msg *msg) { static unsigned int appl[16] = { 0x6c707061/*appl*/,0x6c707041/*Appl*/,0x6c705061/*aPpl*/, 0x6c705041/*APpl*/,0x6c507061/*apPl*/,0x6c507041/*ApPl*/, 0x6c505061/*aPPl*/,0x6c505041/*APPl*/,0x4c707061/*appL*/, 0x4c707041/*AppL*/,0x4c705061/*aPpL*/,0x4c705041/*APpL*/, 0x4c507061/*apPL*/,0x4c507041/*ApPL*/,0x4c505061/*aPPL*/, 0x4c505041/*APPL*/}; static unsigned int icat[16] = { 0x74616369/*icat*/,0x74616349/*Icat*/,0x74614369/*iCat*/, 0x74614349/*ICat*/,0x74416369/*icAt*/,0x74416349/*IcAt*/, 0x74414369/*iCAt*/,0x74414349/*ICAt*/,0x54616369/*icaT*/, 0x54616349/*IcaT*/,0x54614369/*iCaT*/,0x54614349/*ICaT*/, 0x54416369/*icAT*/,0x54416349/*IcAT*/,0x54414369/*iCAT*/, 0x54414349/*ICAT*/}; static unsigned int ion_[8] = { 0x006e6f69/*ion_*/,0x006e6f49/*Ion_*/,0x006e4f69/*iOn_*/, 0x006e4f49/*IOn_*/,0x004e6f69/*ioN_*/,0x004e6f49/*IoN_*/, 0x004e4f69/*iON_*/,0x004e4f49/*ION_*/}; static unsigned int sdp_[8] = { 0x00706473/*sdp_*/,0x00706453/*Sdp_*/,0x00704473/*sDp_*/, 0x00704453/*SDp_*/,0x00506473/*sdP_*/,0x00506453/*SdP_*/, 0x00504473/*sDP_*/,0x00504453/*SDP_*/}; str str_type; unsigned int x; char *p; if (!msg->content_type) { LM_WARN("the header Content-TYPE is absent!" "let's assume the content is text/plain ;-)\n"); return 1; } trim_len(str_type.len,str_type.s,msg->content_type->body); p = str_type.s; advance(p,4,str_type,error_1); x = READ(p-4); if (!one_of_16(x,appl)) goto other; advance(p,4,str_type,error_1); x = READ(p-4); if (!one_of_16(x,icat)) goto other; advance(p,3,str_type,error_1); x = READ(p-3) & 0x00ffffff; if (!one_of_8(x,ion_)) goto other; /* skip spaces and tabs if any */ while (*p==' ' || *p=='\t') advance(p,1,str_type,error_1); if (*p!='/') { LM_ERR("no / found after primary type\n"); goto error; } advance(p,1,str_type,error_1); while ((*p==' ' || *p=='\t') && p+1<str_type.s+str_type.len) advance(p,1,str_type,error_1); advance(p,3,str_type,error_1); x = READ(p-3) & 0x00ffffff; if (!one_of_8(x,sdp_)) goto other; if (*p==';'||*p==' '||*p=='\t'||*p=='\n'||*p=='\r'||*p==0) { LM_DBG("type <%.*s> found valid\n", (int)(p-str_type.s), str_type.s); return 1; } else { LM_ERR("bad end for type!\n"); return -1; } error_1: LM_ERR("body ended :-(!\n"); error: return -1; other: LM_ERR("invalid type for a message\n"); return -1; }