[openssh-commits] [openssh] 02/02: upstream: Replace strncmp + byte count with strprefix in Penalty

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dtucker pushed a commit to branch master
in repository openssh.

commit b12d4ab1e16f57c6c348b483b1dbdd4530aaaddd
Author: dtucker at openbsd.org <dtucker at openbsd.org>
AuthorDate: Sat May 24 08:13:29 2025 +0000

    upstream: Replace strncmp + byte count with strprefix in Penalty
    
    config parsing. ok kn@, djm@
    
    OpenBSD-Commit-ID: 34a41bb1b9ba37fb6c7eb29a7ea909547bf02a5a
---
 servconf.c | 36 +++++++++++++++---------------------
 1 file changed, 15 insertions(+), 21 deletions(-)

diff --git a/servconf.c b/servconf.c
index f2a540dad..14165429f 100644
--- a/servconf.c
+++ b/servconf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: servconf.c,v 1.426 2025/05/22 04:22:03 dtucker Exp $ */
+/* $OpenBSD: servconf.c,v 1.427 2025/05/24 08:13:29 dtucker Exp $ */
 /*
  * Copyright (c) 1995 Tatu Ylonen <ylo at cs.hut.fi>, Espoo, Finland
  *                    All rights reserved
@@ -2084,10 +2084,11 @@ process_server_config_line_depth(ServerOptions *options, char *line,
 
 	case sPerSourcePenalties:
 		while ((arg = argv_next(&ac, &av)) != NULL) {
+			const char *q = NULL;
+
 			found = 1;
 			value = -1;
 			value2 = 0;
-			p = NULL;
 			/* Allow no/yes only in first position */
 			if (strcasecmp(arg, "no") == 0 ||
 			    (value2 = (strcasecmp(arg, "yes") == 0))) {
@@ -2100,35 +2101,28 @@ process_server_config_line_depth(ServerOptions *options, char *line,
 				    options->per_source_penalty.enabled == -1)
 					options->per_source_penalty.enabled = value2;
 				continue;
-			} else if (strncmp(arg, "crash:", 6) == 0) {
-				p = arg + 6;
+			} else if ((q = strprefix(arg, "crash:", 0)) != NULL) {
 				intptr = &options->per_source_penalty.penalty_crash;
-			} else if (strncmp(arg, "authfail:", 9) == 0) {
-				p = arg + 9;
+			} else if ((q = strprefix(arg, "authfail:", 0)) != NULL) {
 				intptr = &options->per_source_penalty.penalty_authfail;
-			} else if (strncmp(arg, "noauth:", 7) == 0) {
-				p = arg + 7;
+			} else if ((q = strprefix(arg, "noauth:", 0)) != NULL) {
 				intptr = &options->per_source_penalty.penalty_noauth;
-			} else if (strncmp(arg, "grace-exceeded:", 15) == 0) {
-				p = arg + 15;
+			} else if ((q = strprefix(arg, "grace-exceeded:", 0)) != NULL) {
 				intptr = &options->per_source_penalty.penalty_grace;
-			} else if (strncmp(arg, "refuseconnection:", 17) == 0) {
-				p = arg + 17;
+			} else if ((q = strprefix(arg, "refuseconnection:", 0)) != NULL) {
 				intptr = &options->per_source_penalty.penalty_refuseconnection;
-			} else if (strncmp(arg, "max:", 4) == 0) {
-				p = arg + 4;
+			} else if ((q = strprefix(arg, "max:", 0)) != NULL) {
 				intptr = &options->per_source_penalty.penalty_max;
-			} else if (strncmp(arg, "min:", 4) == 0) {
-				p = arg + 4;
+			} else if ((q = strprefix(arg, "min:", 0)) != NULL) {
 				intptr = &options->per_source_penalty.penalty_min;
-			} else if (strncmp(arg, "max-sources4:", 13) == 0) {
+			} else if ((q = strprefix(arg, "max-sources4:", 0)) != NULL) {
 				intptr = &options->per_source_penalty.max_sources4;
-				if ((errstr = atoi_err(arg+13, &value)) != NULL)
+				if ((errstr = atoi_err(q, &value)) != NULL)
 					fatal("%s line %d: %s value %s.",
 					    filename, linenum, keyword, errstr);
-			} else if (strncmp(arg, "max-sources6:", 13) == 0) {
+			} else if ((q = strprefix(arg, "max-sources6:", 0)) != NULL) {
 				intptr = &options->per_source_penalty.max_sources6;
-				if ((errstr = atoi_err(arg+13, &value)) != NULL)
+				if ((errstr = atoi_err(q, &value)) != NULL)
 					fatal("%s line %d: %s value %s.",
 					    filename, linenum, keyword, errstr);
 			} else if (strcmp(arg, "overflow:deny-all") == 0) {
@@ -2148,7 +2142,7 @@ process_server_config_line_depth(ServerOptions *options, char *line,
 				    filename, linenum, keyword, arg);
 			}
 			/* If no value was parsed above, assume it's a time */
-			if (value == -1 && (value = convtime(p)) == -1) {
+			if (value == -1 && (value = convtime(q)) == -1) {
 				fatal("%s line %d: invalid %s time value.",
 				    filename, linenum, keyword);
 			}

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