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Ensure all strings stored in XML are escaped correctly

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This does escaping / quoting for everything I found. Some of it was safe
(the divecomputer model is supplied from libdivecomputer, and none of them
have single quotes _yet_, afaik), but with this there are no '%s' strings
left except for the ones used by the helper functions (for "pre" and
"post" strings).

It also takes some of our existing uses of show_utf8(), and removes
the redundant "check if the string is NULL or empty". show_utf8() does
that internally.

Fixes #73

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Linus Torvalds 2013-02-27 07:58:41 -08:00 committed by Dirk Hohndel
parent eb3376d612
commit b54dacbeb2
1 changed files with 11 additions and 17 deletions
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28
save-xml.c
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@ -288,8 +288,7 @@ static void save_cylinder_info(FILE *f, struct dive *dive)
if (volume)
show_milli(f, " size='", volume, " l", "'");
show_pressure(f, cylinder->type.workingpressure, " workpressure='", "'");
if (description && *description)
fprintf(f, " description='%s'", description);
show_utf8(f, description, " description='", "'", 1);
if (o2) {
fprintf(f, " o2='%u.%u%%'", FRACTION(o2, 10));
if (he)
@ -315,8 +314,7 @@ static void save_weightsystem_info(FILE *f, struct dive *dive)
return;
fprintf(f, " <weightsystem");
show_milli(f, " weight='", grams, " kg", "'");
if (description && *description)
fprintf(f, " description='%s'", description);
show_utf8(f, description, " description='", "'", 1);
fprintf(f, " />\n");
}
}
@ -418,8 +416,7 @@ static void save_samples(FILE *f, int nr, struct sample *s)
static void save_dc(FILE *f, struct dive *dive, struct divecomputer *dc)
{
fprintf(f, " <divecomputer");
if (dc->model)
show_utf8(f, dc->model, " model='", "'", 1);
show_utf8(f, dc->model, " model='", "'", 1);
if (dc->deviceid)
fprintf(f, " deviceid='%08x'", dc->deviceid);
if (dc->diveid)
@ -478,11 +475,9 @@ static void save_trip(FILE *f, dive_trip_t *trip)
fprintf(f, "<trip");
show_date(f, trip->when);
if (trip->location)
show_utf8(f, trip->location, " location=\'","\'", 1);
show_utf8(f, trip->location, " location=\'","\'", 1);
fprintf(f, ">\n");
if (trip->notes)
show_utf8(f, trip->notes, "<notes>","</notes>\n", 0);
show_utf8(f, trip->notes, "<notes>","</notes>\n", 0);
/*
* Incredibly cheesy: we want to save the dives sorted, and they
@ -523,13 +518,12 @@ static void save_one_device(FILE *f, struct device_info *info)
if (!serial_nr && !nickname && !firmware)
return;
fprintf(f, "<divecomputerid model='%s' deviceid='%08x'", info->model, info->deviceid);
if (serial_nr)
show_utf8(f, serial_nr, " serial='", "'", 1);
if (firmware)
show_utf8(f, firmware, " firmware='", "'", 1);
if (nickname)
show_utf8(f, nickname, " nickname='", "'", 1);
fprintf(f, "<divecomputerid");
show_utf8(f, info->model, " model='", "'", 1);
fprintf(f, " deviceid='%08x'", info->deviceid);
show_utf8(f, serial_nr, " serial='", "'", 1);
show_utf8(f, firmware, " firmware='", "'", 1);
show_utf8(f, nickname, " nickname='", "'", 1);
fprintf(f, "/>\n");
}