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config: Fix error paths of configuration parsing

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Thanks coverity, oss-fuzz and Ram-Z reporting this independently.

CID 1643770

https://oss-fuzz.com/issue/4969113899565056
https://oss-fuzz.com/issue/6448013813022720

Fixes up 1833ce86f9.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2025-12-15 11:08:12 +01:00
parent 79966eb924
commit e82677a923
1 changed files with 21 additions and 23 deletions
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6
src/config.c
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@@ -807,7 +807,6 @@ ssh_config_get_auth_option(enum ssh_config_opcode_e opcode)
} }
#define CHECK_COND_OR_FAIL(cond, error_message) \ #define CHECK_COND_OR_FAIL(cond, error_message) \
do { \
if ((cond)) { \ if ((cond)) { \
SSH_LOG(SSH_LOG_DEBUG, \ SSH_LOG(SSH_LOG_DEBUG, \
"line %d: %s: %s", \ "line %d: %s: %s", \
@@ -826,8 +825,7 @@ ssh_config_get_auth_option(enum ssh_config_opcode_e opcode)
return SSH_ERROR; \ return SSH_ERROR; \
} \ } \
break; \ break; \
} \ }
} while (0)
static int ssh_config_parse_line_internal(ssh_session session, static int ssh_config_parse_line_internal(ssh_session session,
const char *line, const char *line,
@@ -1578,7 +1576,7 @@ static int ssh_config_parse_line_internal(ssh_session session,
return 0; return 0;
} }
#undef SSH_PARSE_OR_FAIL #undef CHECK_COND_OR_FAIL
int ssh_config_parse_line(ssh_session session, int ssh_config_parse_line(ssh_session session,
const char *line, const char *line,