Blame SOURCES/aide-0.15-syslog-format.patch

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diff -up ./doc/aide.conf.5.in.syslog_format ./doc/aide.conf.5.in
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--- ./doc/aide.conf.5.in.syslog_format	2016-07-25 22:58:12.000000000 +0200
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+++ ./doc/aide.conf.5.in	2018-09-27 19:09:09.697371212 +0200
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@@ -57,6 +57,25 @@ inclusive. This parameter can only be gi
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 occurrence is used. If \-\-verbose or \-V is used then the value from that
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 is used. The default is 5. If verbosity is 20 then additional report
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 output is written when doing \-\-check, \-\-update or \-\-compare.
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+.IP "syslog_format"
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+Valid values are yes,true,no and false. This option enables new syslog format
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+which is suitable for logging. Every change is logged as one simple line. This option
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+changes verbose level to 0 and prints everything that was changed. It is suggested 
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+to use this option with "report_url=syslog:...". Default value is "false/no".
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+Maximum size of message is 1KB which is limitation of syslog call. If message is 
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+greater than limit, message will be truncated.
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+Option summarize_changes has no impact for this format.
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+.nf
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+.eo
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+
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+Output always starts with:
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+"AIDE found differences between database and filesystem!!"
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+And it is followed by summary:
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+summary;total_number_of_files=1000;added_files=0;removed_files=0;changed_files=1
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+And finally there are logs about changes:
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+dir=/usr/sbin;Mtime_old=0000-00-00 00:00:00;Mtime_new=0000-00-00 00:00:00;...
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+.ec
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+.fi
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 .IP "report_url"
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 The url that the output is written to. There can be multiple instances
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 of this parameter. Output is written to all of them. The default is
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diff -up ./include/db_config.h.syslog_format ./include/db_config.h
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--- ./include/db_config.h.syslog_format	2016-07-25 22:56:55.000000000 +0200
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+++ ./include/db_config.h	2018-09-27 19:09:09.697371212 +0200
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@@ -311,6 +311,7 @@ typedef struct db_config {
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   FILE* db_out;
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   int config_check;
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+  int syslog_format;
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   struct md_container *mdc_in;
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   struct md_container *mdc_out;
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diff -up ./src/aide.c.syslog_format ./src/aide.c
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--- ./src/aide.c.syslog_format	2018-09-27 19:09:09.695371197 +0200
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+++ ./src/aide.c	2018-09-27 19:09:09.698371220 +0200
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@@ -283,6 +283,7 @@ static void setdefaults_before_config()
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   }
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   /* Setting some defaults */
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+  conf->syslog_format=0;
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   conf->report_db=0;  
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   conf->tree=NULL;
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   conf->config_check=0;
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@@ -495,6 +496,10 @@ static void setdefaults_after_config()
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   if(conf->verbose_level==-1){
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     conf->verbose_level=5;
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   }
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+  if(conf->syslog_format==1){
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+    conf->verbose_level=0;
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+  }
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+
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 }
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diff -up ./src/compare_db.c.syslog_format ./src/compare_db.c
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--- ./src/compare_db.c.syslog_format	2016-07-25 22:56:55.000000000 +0200
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+++ ./src/compare_db.c	2018-09-27 19:09:09.698371220 +0200
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@@ -110,7 +110,7 @@ const DB_ATTR_TYPE details_attributes[]
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 #endif
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 };
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-const char* details_string[] = { _("File type") , _("Lname"), _("Size"), _("Size (>)"), _("Bcount"), _("Perm"), _("Uid"), _("Gid"), _("Atime"), _("Mtime"), _("Ctime"), _("Inode"), _("Linkcount"), _("MD5"), _("SHA1"), _("RMD160"), _("TIGER"), _("SHA256"), _("SHA512")
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+const char* details_string[] = { _("File type") , _("Lname"), _("Size"), _("Size"), _("Bcount"), _("Perm"), _("Uid"), _("Gid"), _("Atime"), _("Mtime"), _("Ctime"), _("Inode"), _("Linkcount"), _("MD5"), _("SHA1"), _("RMD160"), _("TIGER"), _("SHA256"), _("SHA512")
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 #ifdef WITH_MHASH
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     , _("CRC32"), _("HAVAL"), _("GOST"), _("CRC32B"), _("WHIRLPOOL")
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 #endif
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@@ -269,12 +269,19 @@ static int xattrs2array(xattrs_type* xat
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             if ((len ==  xattrs->ents[num - 1].vsz) || ((len == (xattrs->ents[num - 1].vsz - 1)) && !val[len])) {
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                 length = 8 + width + strlen(xattrs->ents[num - 1].key) + strlen(val);
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                 (*values)[num]=malloc(length *sizeof(char));
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-                snprintf((*values)[num], length , "[%.*zd] %s = %s", width, num, xattrs->ents[num - 1].key, val);
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+
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+                char * fmt = "[%.*zd] %s = %s";
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+                if (conf->syslog_format) fmt = "[%.*zd]%s=%s"; // its smaller so it has to be enough space allocated.
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+                snprintf((*values)[num], length , fmt, width, num, xattrs->ents[num - 1].key, val);
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+
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             } else {
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                 val = encode_base64(xattrs->ents[num - 1].val, xattrs->ents[num - 1].vsz);
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                 length = 10 + width + strlen(xattrs->ents[num - 1].key) + strlen(val);
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                 (*values)[num]=malloc( length  *sizeof(char));
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-                snprintf((*values)[num], length , "[%.*zd] %s <=> %s", width, num, xattrs->ents[num - 1].key, val);
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+
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+                char * fmt = "[%.*zd] %s <=> %s";
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+                if (conf->syslog_format) fmt = "[%.*zd]%s<=>%s"; // its smaller so it has to be enough space allocated.
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+                snprintf((*values)[num], length , fmt, width, num, xattrs->ents[num - 1].key, val);
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                 free(val);
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             }
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         }
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@@ -302,6 +309,26 @@ static int acl2array(acl_type* acl, char
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         }
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     if (acl->acl_a || acl->acl_d) {
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         int j, k, i;
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+        if (conf->syslog_format) {
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+            *values = malloc(2 * sizeof(char*));
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+
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+            char *A, *D = "<none>";
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+
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+            if (acl->acl_a) { A = acl->acl_a; } 
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+            if (acl->acl_d) { D = acl->acl_d; } 
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+
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+            (*values)[0] = (char*) malloc(strlen(A) + 3); // "A:" and \0
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+            snprintf((*values)[0], strlen(A) + 3, "A:%s", A);
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+
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+            (*values)[1] = (char*) malloc(strlen(D) + 3); // "D:" and \0
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+            snprintf((*values)[1], strlen(D) + 3, "D:%s", D);
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+
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+            i = 0; while ( (*values)[0][i] ) { if ( (*values)[0][i]=='\n') { (*values)[0][i] = ' '; } i++; }
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+            i = 0; while ( (*values)[1][i] ) { if ( (*values)[1][i]=='\n') { (*values)[1][i] = ' '; } i++; }
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+
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+            return 2;
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+        }
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+
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         if (acl->acl_a) { i = 0; while (acl->acl_a[i]) { if (acl->acl_a[i++]=='\n') { n++; } } }
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         if (acl->acl_d) { i = 0; while (acl->acl_d[i]) { if (acl->acl_d[i++]=='\n') { n++; } } }
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         *values = malloc(n * sizeof(char*));
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@@ -338,25 +365,25 @@ static char* e2fsattrs2string(unsigned l
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 static char* get_file_type_string(mode_t mode) {
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     switch (mode & S_IFMT) {
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-        case S_IFREG: return _("File");
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-        case S_IFDIR: return _("Directory");
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+        case S_IFREG: return conf->syslog_format ? "file" : _("File");
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+        case S_IFDIR: return conf->syslog_format ? "dir" : _("Directory");
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 #ifdef S_IFIFO
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-        case S_IFIFO: return _("FIFO");
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+        case S_IFIFO: return conf->syslog_format ? "fifo" : _("FIFO");
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 #endif
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-        case S_IFLNK: return _("Link");
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-        case S_IFBLK: return _("Block device");
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-        case S_IFCHR: return _("Character device");
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+        case S_IFLNK: return conf->syslog_format ? "link" : _("Link");
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+        case S_IFBLK: return conf->syslog_format ? "blockd" : _("Block device");
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+        case S_IFCHR: return conf->syslog_format ? "chard" : _("Character device");
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 #ifdef S_IFSOCK
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-        case S_IFSOCK: return _("Socket");
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+        case S_IFSOCK: return conf->syslog_format ? "socket" : _("Socket");
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 #endif
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 #ifdef S_IFDOOR
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-        case S_IFDOOR: return _("Door");
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+        case S_IFDOOR: return conf->syslog_format ? "door" : _("Door");
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 #endif
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 #ifdef S_IFPORT
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-        case S_IFPORT: return _("Port");
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+        case S_IFPORT: return conf->syslog_format ? "port" : _("Port");
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 #endif
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         case 0: return NULL;
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-        default: return _("Unknown file type");
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+        default: return conf->syslog_format ? "unknown" : _("Unknown file type");
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     }
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 }
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@@ -554,6 +581,51 @@ static void print_dbline_attributes(db_l
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     }
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 }
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+
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+static void print_dbline_attributes_syslog(db_line* oline, db_line* nline, DB_ATTR_TYPE
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+        changed_attrs, DB_ATTR_TYPE force_attrs) {
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+    char **ovalue, **nvalue;
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+    int onumber, nnumber, i, j;
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+    int length = sizeof(details_attributes)/sizeof(DB_ATTR_TYPE);
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+    DB_ATTR_TYPE attrs;
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+    char *file_type = get_file_type_string((nline==NULL?oline:nline)->perm);
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+    if (file_type) {
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+        error(0,"%s=", file_type);
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+    }
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+    error(0,"%s", (nline==NULL?oline:nline)->filename);
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+    attrs=force_attrs|(~(ignored_changed_attrs)&changed_attrs);
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+    for (j=0; j < length; ++j) {
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+        if (details_attributes[j]&attrs) {
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+            onumber=get_attribute_values(details_attributes[j], oline, &ovalue);
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+            nnumber=get_attribute_values(details_attributes[j], nline, &nvalue);
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+
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+            if (details_attributes[j] == DB_ACL || details_attributes[j] == DB_XATTRS) {
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+
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+                error(0, ";%s_old=|", details_string[j]);
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+
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+                for (i = 0 ; i < onumber ; i++) {
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+                    error(0, "%s|", ovalue[i]);
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+                }
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+
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+                error(0, ";%s_new=|", details_string[j]);
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+
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+                for (i = 0 ; i < nnumber ; i++) {
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+                    error(0, "%s|", nvalue[i]);
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+                }
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+
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+            } else {
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+
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+                error(0, ";%s_old=%s;%s_new=%s", details_string[j], *ovalue, details_string[j], *nvalue);
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+
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+            }
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+
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+            for(i=0; i < onumber; ++i) { free(ovalue[i]); ovalue[i]=NULL; } free(ovalue); ovalue=NULL;
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+            for(i=0; i < nnumber; ++i) { free(nvalue[i]); nvalue[i]=NULL; } free(nvalue); nvalue=NULL;
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+        }
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+    }
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+    error(0, "\n");
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+}
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+
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 static void print_attributes_added_node(db_line* line) {
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     print_dbline_attributes(NULL, line, 0, line->attr);
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 }
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@@ -562,6 +634,26 @@ static void print_attributes_removed_nod
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     print_dbline_attributes(line, NULL, 0, line->attr);
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 }
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+static void print_attributes_added_node_syslog(db_line* line) {
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+
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+    char *file_type = get_file_type_string(line->perm);
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+    if (file_type) {
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+        error(0,"%s=", file_type);
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+    }
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+    error(0,"%s; added\n", line->filename);
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+
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+}
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+
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+static void print_attributes_removed_node_syslog(db_line* line) {
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+
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+    char *file_type = get_file_type_string(line->perm);
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+    if (file_type) {
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+        error(0,"%s=", file_type);
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+    }
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+    error(0,"%s; removed\n", line->filename);
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+
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+}
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+
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 static void terse_report(seltree* node) {
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     list* r=NULL;
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     if ((node->checked&(DB_OLD|DB_NEW)) != 0) {
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@@ -626,6 +718,26 @@ static void print_report_details(seltree
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     }
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 }
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+static void print_syslog_format(seltree* node) {
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+    list* r=NULL;
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+
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+    if (node->checked&NODE_CHANGED) {
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+        print_dbline_attributes_syslog(node->old_data, node->new_data, node->changed_attrs, forced_attrs);
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+    }
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+   
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+    if (node->checked&NODE_ADDED) {
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+        print_attributes_added_node_syslog(node->new_data);
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+    }
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+
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+    if (node->checked&NODE_REMOVED) {
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+        print_attributes_removed_node_syslog(node->old_data); 
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+    }
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+        
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+    for(r=node->childs;r;r=r->next){
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+        print_syslog_format((seltree*)r->data);
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+    }
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+}
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+
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 static void print_report_header() {
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     char *time;
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     int first = 1;
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@@ -747,39 +859,53 @@ int gen_report(seltree* node) {
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     send_audit_report();
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 #endif
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     if ((nadd|nrem|nchg) > 0 || conf->report_quiet == 0) {
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-    print_report_header();
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-    if(conf->action&(DO_COMPARE|DO_DIFF) || (conf->action&DO_INIT && conf->report_detailed_init) ) {
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-    if (conf->grouped) {
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-        if (nadd) {
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-            error(2,(char*)report_top_format,_("Added entries"));
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-            print_report_list(node, NODE_ADDED);
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-        }
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-        if (nrem) {
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-            error(2,(char*)report_top_format,_("Removed entries"));
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-            print_report_list(node, NODE_REMOVED);
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-        }
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-        if (nchg) {
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-            error(2,(char*)report_top_format,_("Changed entries"));
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-            print_report_list(node, NODE_CHANGED);
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-        }
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-    } else if (nadd || nrem || nchg) {
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-        if (nadd && nrem && nchg) { error(2,(char*)report_top_format,_("Added, removed and changed entries")); }
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-        else if (nadd && nrem) { error(2,(char*)report_top_format,_("Added and removed entries")); }
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-        else if (nadd && nchg) { error(2,(char*)report_top_format,_("Added and changed entries")); }
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-        else if (nrem && nchg) { error(2,(char*)report_top_format,_("Removed and changed entries")); }
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-        else if (nadd) { error(2,(char*)report_top_format,_("Added entries")); }
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-        else if (nrem) { error(2,(char*)report_top_format,_("Removed entries")); }
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-        else if (nchg) { error(2,(char*)report_top_format,_("Changed entries")); }
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-        print_report_list(node, NODE_ADDED|NODE_REMOVED|NODE_CHANGED);
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-    }
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-    if (nadd || nrem || nchg) {
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-        error(nchg?5:7,(char*)report_top_format,_("Detailed information about changes"));
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-        print_report_details(node);
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-    }
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-    }
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-    print_report_databases();
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-    conf->end_time=time(&(conf->end_time));
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-    print_report_footer();
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+
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+        if (!conf->syslog_format) {
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+            print_report_header();
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+        }
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+
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+        if(conf->action&(DO_COMPARE|DO_DIFF) || (conf->action&DO_INIT && conf->report_detailed_init) ) {
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+            if (!conf->syslog_format && conf->grouped) {
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+                if (nadd) {
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+                    error(2,(char*)report_top_format,_("Added entries"));
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+                    print_report_list(node, NODE_ADDED);
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+                }
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+                if (nrem) {
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+                    error(2,(char*)report_top_format,_("Removed entries"));
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+                    print_report_list(node, NODE_REMOVED);
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+                }
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+                if (nchg) {
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+                    error(2,(char*)report_top_format,_("Changed entries"));
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+                    print_report_list(node, NODE_CHANGED);
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+                }
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+            } else if (!conf->syslog_format && ( nadd || nrem || nchg ) ) {
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+                if (nadd && nrem && nchg) { error(2,(char*)report_top_format,_("Added, removed and changed entries")); }
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+                else if (nadd && nrem) { error(2,(char*)report_top_format,_("Added and removed entries")); }
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+                else if (nadd && nchg) { error(2,(char*)report_top_format,_("Added and changed entries")); }
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+                else if (nrem && nchg) { error(2,(char*)report_top_format,_("Removed and changed entries")); }
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+                else if (nadd) { error(2,(char*)report_top_format,_("Added entries")); }
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+                else if (nrem) { error(2,(char*)report_top_format,_("Removed entries")); }
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+                else if (nchg) { error(2,(char*)report_top_format,_("Changed entries")); }
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+                print_report_list(node, NODE_ADDED|NODE_REMOVED|NODE_CHANGED);
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+            }
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+            if (nadd || nrem || nchg) {
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+                if (!conf->syslog_format) {
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+                    error(nchg?5:7,(char*)report_top_format,_("Detailed information about changes"));
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+                    print_report_details(node);
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+                } else {
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+                    /* Syslog Format */
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+                    error(0, "AIDE found differences between database and filesystem!!\n");
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+                    error(0, "summary;total_number_of_files=%ld;added_files=%ld;"
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+                              "removed_files=%ld;changed_files=%ld\n",ntotal,nadd,nrem,nchg);
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+                    print_syslog_format(node);
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+                }
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+            }
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+        }
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+        if (!conf->syslog_format) {
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+            print_report_databases();
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+            conf->end_time=time(&(conf->end_time));
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+            print_report_footer();
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+        }
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     }
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     return conf->action&(DO_COMPARE|DO_DIFF) ? (nadd!=0)*1+(nrem!=0)*2+(nchg!=0)*4 : 0;
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diff -up ./src/conf_lex.l.syslog_format ./src/conf_lex.l
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--- ./src/conf_lex.l.syslog_format	2016-07-25 22:56:55.000000000 +0200
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+++ ./src/conf_lex.l	2018-09-27 19:09:09.698371220 +0200
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@@ -401,6 +401,12 @@ int var_in_conflval=0;
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   return (TROOT_PREFIX);
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 }
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+^[\t\ ]*"syslog_format"{E} {
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+  error(230,"%li:syslog_format =\n",conf_lineno);
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+  BEGIN CONFVALHUNT;
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+  return (SYSLOG_FORMAT);
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+}
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+
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 ^[\t\ ]*"recstop"{E} {
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   error(230,"%li:recstop =\n",conf_lineno);
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   BEGIN CONFVALHUNT;
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diff -up ./src/conf_yacc.y.syslog_format ./src/conf_yacc.y
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--- ./src/conf_yacc.y.syslog_format	2016-07-25 22:56:55.000000000 +0200
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+++ ./src/conf_yacc.y	2018-09-27 19:09:09.699371228 +0200
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@@ -89,6 +89,7 @@ extern long conf_lineno;
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 %token TREPORT_URL
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 %token TGZIPDBOUT
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 %token TROOT_PREFIX
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+%token SYSLOG_FORMAT
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 %token TUMASK
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 %token TTRUE
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 %token TFALSE
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@@ -160,7 +161,7 @@ line : rule | equrule | negrule | define
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        | ifdefstmt | ifndefstmt | ifhoststmt | ifnhoststmt
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        | groupdef | db_in | db_out | db_new | db_attrs | verbose | report_detailed_init | config_version
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        | database_add_metadata | report | gzipdbout | root_prefix | report_base16 | report_quiet
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-       | report_ignore_e2fsattrs | recursion_stopper | warn_dead_symlinks | grouped
31807d
+       | report_ignore_e2fsattrs | syslogformat | recursion_stopper | warn_dead_symlinks | grouped
31807d
        | summarize_changes | acl_no_symlink_follow | beginconfigstmt | endconfigstmt
31807d
        | TEOF {
31807d
             newlinelastinconfig=1;
31807d
@@ -408,6 +409,15 @@ conf->gzip_dbout=0;
31807d
 #endif
31807d
 } ;
31807d
 
31807d
+syslogformat : SYSLOG_FORMAT TTRUE {
31807d
+conf->syslog_format=1;
31807d
+} |
31807d
+               SYSLOG_FORMAT TFALSE {
31807d
+conf->syslog_format=0;
31807d
+} ;
31807d
+
31807d
+
31807d
+
31807d
 recursion_stopper : TRECSTOP TSTRING {
31807d
   /* FIXME implement me */  
31807d
   
31807d
diff -up ./src/error.c.syslog_format ./src/error.c
31807d
--- ./src/error.c.syslog_format	2016-07-25 22:56:55.000000000 +0200
31807d
+++ ./src/error.c	2018-09-27 19:13:40.312416750 +0200
31807d
@@ -38,6 +38,9 @@
31807d
 /*for locale support*/
31807d
 #include "util.h"
31807d
 
31807d
+#define MAX_BUFFER_SIZE 1024
31807d
+static char syslog_buffer[MAX_BUFFER_SIZE+1];
31807d
+
31807d
 int cmp_url(url_t* url1,url_t* url2){
31807d
   
31807d
   return ((url1->type==url2->type)&&(strcmp(url1->value,url2->value)==0));
31807d
@@ -48,7 +51,9 @@ int error_init(url_t* url,int initial)
31807d
 {
31807d
   list* r=NULL;
31807d
   FILE* fh=NULL;
31807d
-	int   sfac;
31807d
+  int   sfac;
31807d
+
31807d
+  memset(syslog_buffer, 0, MAX_BUFFER_SIZE+1);
31807d
   
31807d
   if (url->type==url_database) {
31807d
     conf->report_db++;
31807d
@@ -163,13 +168,24 @@ void error(int errorlevel,char* error_ms
31807d
     }
31807d
 #ifdef HAVE_SYSLOG
31807d
     if(conf->initial_report_url->type==url_syslog){
31807d
-#ifdef HAVE_VSYSLOG
31807d
-      vsyslog(SYSLOG_PRIORITY,error_msg,ap);
31807d
-#else
31807d
-			char buf[1024];
31807d
-			vsnprintf(buf,1024,error_msg,ap);
31807d
-			syslog(SYSLOG_PRIORITY,"%s",buf);
31807d
-#endif
31807d
+
31807d
+      char buff[MAX_BUFFER_SIZE+1];
31807d
+      vsnprintf(buff,MAX_BUFFER_SIZE,error_msg,ap);
31807d
+      size_t buff_len = strlen(buff);
31807d
+
31807d
+      char result_buff[MAX_BUFFER_SIZE+1];
31807d
+#pragma GCC diagnostic push
31807d
+#pragma GCC diagnostic ignored "-Wformat-truncation"
31807d
+      snprintf(result_buff, MAX_BUFFER_SIZE, "%s%s", syslog_buffer, buff);
31807d
+#pragma GCC diagnostic pop
31807d
+
31807d
+      if(buff[buff_len-1] == '\n'){
31807d
+        syslog(SYSLOG_PRIORITY,"%s",result_buff);
31807d
+        memset(syslog_buffer, 0, MAX_BUFFER_SIZE+1);
31807d
+      } else {
31807d
+        memcpy(syslog_buffer, result_buff, MAX_BUFFER_SIZE);
31807d
+      }
31807d
+
31807d
       va_end(ap);
31807d
       return;
31807d
     }
31807d
@@ -181,17 +197,25 @@ void error(int errorlevel,char* error_ms
31807d
 
31807d
 #ifdef HAVE_SYSLOG
31807d
   if (conf->report_syslog!=0) {
31807d
-#ifdef HAVE_VSYSLOG
31807d
-    va_start(ap,error_msg);
31807d
-    vsyslog(SYSLOG_PRIORITY,error_msg,ap);
31807d
-    va_end(ap);
31807d
-#else
31807d
-		char buf[1024];
31807d
-    va_start(ap,error_msg);
31807d
-		vsnprintf(buf,1024,error_msg,ap);
31807d
+    va_start(ap, error_msg);
31807d
+
31807d
+    char buff[MAX_BUFFER_SIZE+1];
31807d
+    vsnprintf(buff,MAX_BUFFER_SIZE,error_msg,ap);
31807d
+    size_t buff_len = strlen(buff);
31807d
+
31807d
+    char result_buff[MAX_BUFFER_SIZE+1];
31807d
+#pragma GCC diagnostic push
31807d
+#pragma GCC diagnostic ignored "-Wformat-truncation"
31807d
+    snprintf(result_buff, MAX_BUFFER_SIZE, "%s%s", syslog_buffer, buff);
31807d
+#pragma GCC diagnostic pop
31807d
+
31807d
+    if(buff[buff_len-1] == '\n'){
31807d
+      syslog(SYSLOG_PRIORITY,"%s",result_buff);
31807d
+      memset(syslog_buffer, 0, MAX_BUFFER_SIZE+1);
31807d
+    } else {
31807d
+      memcpy(syslog_buffer, result_buff, MAX_BUFFER_SIZE);
31807d
+    }
31807d
     va_end(ap);
31807d
-		syslog(SYSLOG_PRIORITY,"%s",buf);
31807d
-#endif
31807d
   }
31807d
 #endif
31807d