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Implement a HTTP_USER_AGENT environment variable.

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PR:		27669
Submitted by:	Eoin Lawless <eoin@maths.tcd.ie>
This commit is contained in:
Dag-Erling Smørgrav 2001-05-27 11:00:36 +00:00
parent 5ef824ed2b
commit 6a0cf64bce
2 changed files with 8 additions and 1 deletions
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4
lib/libfetch/fetch.3
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@ -512,6 +512,10 @@ variable.
This variable is used if and only if connected to an HTTP proxy, and
is ignored if a user and/or a password were specified in the proxy
URL.
.It Ev HTTP_USER_AGENT
Specifies the User-Agent string to use for HTTP requests.
This can be useful when working with HTTP origin or proxy servers that
differentiate between usder agents.
.El
.Sh SEE ALSO
.Xr fetch 1 ,

5
lib/libfetch/http.c
View file

@ -777,7 +777,10 @@ _http_request(struct url *URL, const char *op, struct url_stat *us,
}
/* other headers */
_http_cmd(fd, "User-Agent: %s " _LIBFETCH_VER, __progname);
if ((p = getenv("HTTP_USER_AGENT")) != NULL && *p != '\0')
_http_cmd(fd, "User-Agent: %s", p);
else
_http_cmd(fd, "User-Agent: %s " _LIBFETCH_VER, __progname);
if (url->offset)
_http_cmd(fd, "Range: bytes=%lld-", url->offset);
_http_cmd(fd, "Connection: close");