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In verbose mode, display the full error message from the server, stripping

Browse source 
it of HTML tags and comments.

PR:		bin/32989
MFC after:	1 week
This commit is contained in:
Dag-Erling Smørgrav 2002-01-01 16:25:29 +00:00
parent 0e97c01d6d
commit a8e9bd8750
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=88771
1 changed files with 48 additions and 3 deletions
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51
lib/libfetch/http.c
View file

@ -99,6 +99,7 @@ extern char *__progname; /* XXX not portable */
|| (xyz) == HTTP_MOVED_TEMP \
|| (xyz) == HTTP_SEE_OTHER)
#define HTTP_ERROR(xyz) ((xyz) > 400 && (xyz) < 599)
/*****************************************************************************
@ -675,6 +676,42 @@ _http_get_proxy(void)
return NULL;
}
static void
_http_print_html(FILE *out, FILE *in)
{
size_t len;
char *line, *p, *q;
int comment, tag;
comment = tag = 0;
while ((line = fgetln(in, &len)) != NULL) {
while (len && isspace(line[len - 1]))
--len;
for (p = q = line; q < line + len; ++q) {
if (comment && *q == '-') {
if (q + 2 < line + len && strcmp(q, "-->") == 0) {
tag = comment = 0;
q += 2;
}
} if (tag && !comment && *q == '>') {
p = q + 1;
tag = 0;
} else if (!tag && *q == '<') {
if (q > p)
fwrite(p, q - p, 1, out);
tag = 1;
if (q + 3 < line + len && strcmp(q, "<!--") == 0) {
comment = 1;
q += 3;
}
}
}
if (!tag && q > p)
fwrite(p, q - p, 1, out);
fputc('\n', out);
}
}
/*****************************************************************************
* Core
@ -842,7 +879,9 @@ _http_request(struct url *URL, const char *op, struct url_stat *us,
goto ouch;
default:
_http_seterr(code);
goto ouch;
if (!verbose)
goto ouch;
/* fall through so we can get the full error message */
}
/* get headers */
@ -905,8 +944,8 @@ _http_request(struct url *URL, const char *op, struct url_stat *us,
}
} while (h > hdr_end);
/* we have a hit */
if (code == HTTP_OK || code == HTTP_PARTIAL)
/* we have a hit or an error */
if (code == HTTP_OK || code == HTTP_PARTIAL || HTTP_ERROR(code))
break;
/* we need to provide authentication */
@ -983,6 +1022,12 @@ _http_request(struct url *URL, const char *op, struct url_stat *us,
fetchFreeURL(url);
if (purl)
fetchFreeURL(purl);
if (HTTP_ERROR(code)) {
_http_print_html(stderr, f);
fclose(f);
f = NULL;
}
return f;