diff options
Diffstat (limited to 'credential.c')
| -rw-r--r-- | credential.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/credential.c b/credential.c index 62be651..2482382 100644 --- a/credential.c +++ b/credential.c @@ -195,6 +195,8 @@ static void credential_write_item(FILE *fp, const char *key, const char *value) { if (!value) return; + if (strchr(value, '\n')) + die("credential value for %s contains newline", key); fprintf(fp, "%s=%s\n", key, value); } @@ -322,7 +324,22 @@ void credential_reject(struct credential *c) c->approved = 0; } -void credential_from_url(struct credential *c, const char *url) +static int check_url_component(const char *url, int quiet, + const char *name, const char *value) +{ + if (!value) + return 0; + if (!strchr(value, '\n')) + return 0; + + if (!quiet) + warning(_("url contains a newline in its %s component: %s"), + name, url); + return -1; +} + +int credential_from_url_gently(struct credential *c, const char *url, + int quiet) { const char *at, *colon, *cp, *slash, *host, *proto_end; @@ -336,7 +353,7 @@ void credential_from_url(struct credential *c, const char *url) */ proto_end = strstr(url, "://"); if (!proto_end) - return; + return 0; cp = proto_end + 3; at = strchr(cp, '@'); colon = strchr(cp, ':'); @@ -371,4 +388,21 @@ void credential_from_url(struct credential *c, const char *url) while (p > c->path && *p == '/') *p-- = '\0'; } + + if (check_url_component(url, quiet, "username", c->username) < 0 || + check_url_component(url, quiet, "password", c->password) < 0 || + check_url_component(url, quiet, "protocol", c->protocol) < 0 || + check_url_component(url, quiet, "host", c->host) < 0 || + check_url_component(url, quiet, "path", c->path) < 0) + return -1; + + return 0; +} + +void credential_from_url(struct credential *c, const char *url) +{ + if (credential_from_url_gently(c, url, 0) < 0) { + warning(_("skipping credential lookup for url: %s"), url); + credential_clear(c); + } } |