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MINOR: cfgparse: Fail when encountering extra arguments in macro 

This resolves GitHub issue #1124.

This change should be backported as a *warning* to 2.4.
This commit is contained in:
Tim Duesterhus 2021-05-26 17:45:33 +02:00 committed by Willy Tarreau
parent 1f08bffe0c
commit 5546c8bdce
1 changed files with 57 additions and 2 deletions
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59
src/cfgparse.c
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@ -2056,6 +2056,13 @@ int readcfgfile(const char *file)
char *errmsg = NULL;
int cond;
if (*args[2]) {
ha_alert("parsing [%s:%d]: Unexpected argument '%s' for '%s'.\n",
file, linenum, args[2], args[0]);
err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
break;
}
nested_cond_lvl++;
if (nested_cond_lvl >= MAXNESTEDCONDS) {
ha_alert("parsing [%s:%d]: too many nested '.if', max is %d.\n", file, linenum, MAXNESTEDCONDS);
@ -2098,6 +2105,13 @@ int readcfgfile(const char *file)
char *errmsg = NULL;
int cond;
if (*args[2]) {
ha_alert("parsing [%s:%d]: Unexpected argument '%s' for '%s'.\n",
file, linenum, args[2], args[0]);
err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
break;
}
if (!nested_cond_lvl) {
ha_alert("parsing [%s:%d]: lone '.elif' with no matching '.if'.\n", file, linenum);
err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
@ -2140,6 +2154,13 @@ int readcfgfile(const char *file)
goto next_line;
}
else if (strcmp(args[0], ".else") == 0) {
if (*args[1]) {
ha_alert("parsing [%s:%d]: Unxpected argument '%s' for '%s'.\n",
file, linenum, args[1], args[0]);
err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
break;
}
if (!nested_cond_lvl) {
ha_alert("parsing [%s:%d]: lone '.else' with no matching '.if'.\n", file, linenum);
err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
@ -2165,10 +2186,16 @@ int readcfgfile(const char *file)
goto next_line;
}
else if (strcmp(args[0], ".endif") == 0) {
if (*args[1]) {
ha_alert("parsing [%s:%d]: Unxpected argument '%s' for '%s'.\n",
file, linenum, args[1], args[0]);
err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
break;
}
if (!nested_cond_lvl) {
ha_alert("parsing [%s:%d]: lone '.endif' with no matching '.if'.\n", file, linenum);
err_code |= ERR_ALERT | ERR_FATAL;
fatal++;
err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
break;
}
nested_cond_lvl--;
@ -2189,20 +2216,48 @@ int readcfgfile(const char *file)
/* .warning/.error/.notice/.diag */
if (*args[0] == '.') {
if (strcmp(args[0], ".alert") == 0) {
if (*args[2]) {
ha_alert("parsing [%s:%d]: Unexpected argument '%s' for '%s'. Use quotes if the message should contain spaces.\n",
file, linenum, args[2], args[0]);
err_code |= ERR_ALERT | ERR_FATAL;
goto next_line;
}
ha_alert("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
goto err;
}
else if (strcmp(args[0], ".warning") == 0) {
if (*args[2]) {
ha_alert("parsing [%s:%d]: Unexpected argument '%s' for '%s'. Use quotes if the message should contain spaces.\n",
file, linenum, args[2], args[0]);
err_code |= ERR_ALERT | ERR_FATAL;
goto next_line;
}
ha_warning("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
err_code |= ERR_WARN;
goto next_line;
}
else if (strcmp(args[0], ".notice") == 0) {
if (*args[2]) {
ha_alert("parsing [%s:%d]: Unexpected argument '%s' for '%s'. Use quotes if the message should contain spaces.\n",
file, linenum, args[2], args[0]);
err_code |= ERR_ALERT | ERR_FATAL;
goto next_line;
}
ha_notice("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
goto next_line;
}
else if (strcmp(args[0], ".diag") == 0) {
if (*args[2]) {
ha_alert("parsing [%s:%d]: Unexpected argument '%s' for '%s'. Use quotes if the message should contain spaces.\n",
file, linenum, args[2], args[0]);
err_code |= ERR_ALERT | ERR_FATAL;
goto next_line;
}
ha_diag_warning("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
goto next_line;
}